gcc/ChangeLog

   1 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         PR target/35496
   4         * config/i386/i386.c (ix86_constant_algnment): Compute alignment using
   5         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
   6
   7 2008-03-09  Ira Rosen  <irar@il.ibm.com>
   8
   9         * config/rs6000/rs6000.c (builtin_description): Rename vector
  10         left shift operations.
  11         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
  12         (altivec_vsl<VI_char>): Rename to ...
  13         (ashl<mode>3): ... new name.
  14         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
  15         gen_ashlv4si3.
  16         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
  17
  18 2008-03-08  Richard Guenther  <rguenther@suse.de>
  19
  20         * coverage.h (tree_coverage_counter_addr): Declare.
  21         * coverage.c (tree_coverage_counter_addr): New function.
  22         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
  23         before using again.
  24         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
  25         (tree_gen_one_value_profiler): Likewise.
  26         (tree_gen_ic_profiler): Likewise.
  27         (tree_gen_average_profiler): Likewise.
  28         (tree_gen_ior_profiler): Likewise.
  29
  30 2008-03-08  Richard Guenther  <rguenther@suse.de>
  31
  32         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
  33         (vn_binary_op_insert): Likewise.
  34         (vn_unary_op_lookup): Likewise.
  35         (vn_unary_op_insert): Likewise.
  36         (vn_nary_op_lookup): Declare.
  37         (vn_nary_op_insert): Likewise.
  38         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
  39         and binary hashes, use a single obstack for unary_op_pool
  40         and binary_op_pool.
  41         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
  42         a single struct vn_nary_op_s.  Store tree code length and
  43         a variable number of operands.
  44         (struct vn_reference_op_struct): Remove unused op2.
  45         (vn_reference_op_eq): Do not compare op2.
  46         (vn_reference_op_compute_hash): Do not compute hash of op2.
  47         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
  48         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
  49         with vn_nary_op_compute_hash.
  50         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
  51         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
  52         vn_nary_op_lookup.
  53         (vn_unary_op_insert, vn_binary_op_insert): Replace with
  54         vn_nary_op_insert.
  55         (visit_unary_op): Call nary functions.
  56         (visit_binary_op): Likewise.
  57         (process_scc): Adjust for struct vn_tables_s changes.
  58         (allocate_vn_table): Likewise.
  59         (free_vn_table): Likewise.
  60         * tree-vn.c (vn_add): Call nary functions.
  61         (vn_lookup): Likewise.
  62
  63 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
  64
  65         PR target/35498
  66         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
  67         wdst back after sync_compare_and_swapqhi_internal.
  68
  69 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
  70
  71         PR target/22152
  72         * config/i386/i386-modes.def (V1DI): New vector mode.
  73         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
  74         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
  75         (MMXMODE248): Ditto.
  76         (MMXMODE): Add V1DI mode.
  77         (mmxvecsize): Change DI mode to V1DI mode.
  78         ("mov<mode>): Use MMXMODEI8 mode iterator.
  79         ("*mov<mode>_internal_rex64"): Ditto.
  80         ("*mov<mode>_internal"): Ditto.
  81         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
  82         ("mmx_sub<mode>3"): Ditto.
  83         ("mmx_adddi3"): Remove insn pattern.
  84         ("mmx_subdi3"): Ditto.
  85         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
  86         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
  87         ("mmx_ashl<mode>3"): Ditto.
  88         ("mmx_lshrdi3"): Remove insn pattern.
  89         ("mmx_ashldi3"): Ditto.
  90         * config/i386/i386.c (classify_argument): Handle V1DImode.
  91         (function_arg_advance_32): Ditto.
  92         (function_arg_32): Ditto.
  93         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
  94         mmx_addv1di3 insn pattern.
  95         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
  96         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
  97         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
  98         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
  99         Remove definitions of built-in functions.
 100         (V1DI_type_node): New node.
 101         (v1di_ftype_v1di_int): Ditto.
 102         (v1di_ftype_v1di_v1di): Ditto.
 103         (v2si_ftype_v2si_si): Ditto.
 104         (v4hi_ftype_v4hi_di): Remove node.
 105         (v2si_ftype_v2si_di): Ditto.
 106         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 107         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 108         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 109         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 110         Add new builtins using def_builtin_const.
 111         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 112         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 113         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 114         * config/i386/mmintrin.h (__v1di): New typedef.
 115         (_mm_add_si64): Cast arguments to __v1di type.
 116         (_mm_sub_si64): Ditto.
 117         (_mm_sll_pi16): Cast __count to __v4hi type.
 118         (_mm_sll_pi32): Cast __count to __v2si type.
 119         (_mm_sll_si64): Cast arguments to __v1di type.
 120         (_mm_srl_pi16): Cast __count to __v4hi type.
 121         (_mm_srl_pi32): Cast __count to __v2si type.
 122         (_mm_srl_si64): Cast arguments to __v1di type.
 123         (_mm_sra_pi16): Cast __count to __v4hi type.
 124         (_mm_sra_pi32): Cast __count to __v2si type.
 125         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 126         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 127         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 128         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 129         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 130         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 131         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 132         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 133         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 134         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 135         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 136         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 137
 138 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 139
 140         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 141
 142 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 143
 144         PR target/35373
 145         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 146         reg+const addressing for Altivec modes.  Don't generate reg+reg
 147         addressing for TFmode or TDmode quantities.
 148
 149 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
 150
 151         * c-common.c (vector_types_convertible_p): Call langhook
 152         instead of comptypes.
 153
 154 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 155
 156         PR tree-opt/35402
 157         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
 158         integral and scalar float variables which have a
 159         NULL DECL_INITIAL.
 160
 161 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
 162
 163         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
 164         dwarf_register_span hook when emitting unwind information for
 165         register-to-memory saves.
 166         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
 167         (rs6000_frame_related): Remove call to spe_synthesize_frame.
 168
 169 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
 170
 171         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
 172         for the same VAR_DECL.
 173
 174 2008-03-06  Tom Tromey  <tromey@redhat.com>
 175
 176         * treelang: Delete.
 177         * doc/standards.texi (Standards): Don't mention treelang.
 178         * doc/invoke.texi (Overall Options): Don't mention treelang.
 179         * doc/install.texi (Prerequisites): Don't mention bison or
 180         treelang.
 181         (Configuration): Don't mention treelang.
 182         (Building): Likewise.
 183         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
 184
 185 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
 186
 187         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
 188         word-extractions out of a multi-word object.
 189
 190 2008-03-06  Richard Guenther  <rguenther@suse.de>
 191
 192         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
 193         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
 194         result type and precision.
 195         * expr.c (get_inner_reference): Set unsignedp based on the result
 196         type of BIT_FIELD_REF.
 197         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
 198         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
 199         (try_instantiate_multiple_fields): Likewise.  Use the correct type
 200         for BIT_FIELD_REF.
 201         (sra_build_assignment): Likewise.
 202         (sra_build_elt_assignment): Likewise.
 203         (sra_explode_bitfield_assignment): Likewise.
 204         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
 205         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
 206         set BIT_FIELD_REF_UNSIGNED.
 207         (vectorizable_load): Likewise.
 208
 209 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 210
 211         * cse.c (cse_extended_basic_block): Invalidate artificial defs
 212         at bb start.
 213
 214 2008-03-06  Richard Guenther  <rguenther@suse.de>
 215
 216         * alias.c (struct alias_set_entry): Move has_zero_child field
 217         to pack with alias_set.
 218
 219 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 220
 221         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 222         32bit host.
 223
 224 2008-03-05  Ian Lance Taylor  <iant@google.com>
 225
 226         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
 227
 228 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
 229
 230         * fwprop.c (update_df): Support width and offset parameters of
 231         df_ref_create.
 232         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
 233         global_conflicts): Change DF_REF_EXTRACT to either
 234         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 235         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 236         * df-scan.c (df_ref_record, df_defs_record,
 237         df_ref_create_structure, df_def_record_1, df_uses_record,
 238         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 239         df_bb_refs_collect, df_entry_block_defs_collect,
 240         df_exit_block_uses_collect): Support new width and offset fields.
 241         (ref_extract_pool): New storage pool.
 242         (df_free_ref): New function.
 243         (df_reg_chain_unlink, df_free_collection_rec,
 244         df_sort_and_compress_refs): Call df_free_ref.
 245         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 246         of df_ref_extract.
 247         (df_ref_create_structure): Allocate df_ref_extract if offset and
 248         width fields are used.
 249         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 250         (df_uses_record): Get offset and width from ZERO_EXTRACT
 251         and SIGN_EXTRACT.
 252         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 253         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 254         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 255         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 256         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 257         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 258         (df_ref_extract): New structure.
 259         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 260         (df_ref_create): Add width and offset parameters.
 261
 262 2008-03-05  Richard Guenther  <rguenther@suse.de>
 263
 264         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 265         Use ranges_overlap_p.
 266         (offset_overlaps_with_access): Rename
 267         to ranges_overlap_p and move ...
 268         * tree-flow-inline.h (ranges_overlap_p): ... here.
 269
 270         * tree.h (get_inner_reference, handled_component_p): Update
 271         comments.
 272
 273         * tree.h (record_component_aliases, get_alias_set,
 274         alias_sets_conflict_p, alias_sets_must_conflict_p,
 275         objects_must_conflict_p): Move declarations ...
 276         * alias.h (record_component_aliases, get_alias_set,
 277         alias_sets_conflict_p, alias_sets_must_conflict_p,
 278         objects_must_conflict_p): ... here.
 279         Include coretypes.h.
 280         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 281
 282 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 283
 284         * cfg.c: Include tree-flow.h.
 285         (remove_edge_raw): Call redirect_edge_var_map_clear.
 286         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 287         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 288         (redirect_edge_var_map_result): New.
 289         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 290         PENDING_STMT use with redirect_edge_var_map_*.
 291         * tree-ssa.c (edge_var_maps): New definition.
 292         (redirect_edge_var_map_add): New.
 293         (redirect_edge_var_map_clear): New.
 294         (redirect_edge_var_map_dup): New.
 295         (redirect_edge_var_map_vector): New.
 296         (redirect_edge_var_map_destroy): New.
 297         (ssa_redirect_edge): Replace PENDING_STMT use with
 298         redirect_edge_var_map_*.
 299         (flush_pending_stmts): Same.
 300         (delete_tree_ssa): Destroy edge var map.
 301         * tree-flow.h (struct _edge_var_map): New.
 302         Define edge_var_map vector type.
 303         Declare redirect_edge_var_map_* prototypes.
 304         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 305         * tree-cfg.c (reinstall_phi_args): Replace
 306         PENDING_STMT use with redirect_edge_var_map_*.
 307
 308 2008-03-05  Richard Guenther  <rguenther@suse.de>
 309
 310         PR tree-optimization/35472
 311         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 312         whose single use_stmt has a overlapping set of loaded and
 313         stored symbols as that use_stmt might be a noop assignment then.
 314
 315 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 316
 317         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 318
 319 2008-03-05  Richard Guenther  <rguenther@suse.de>
 320
 321         PR c++/35336
 322         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 323         should be constants.
 324         * tree-cfg.c (verify_expr): Verify it.
 325         * fold-const.c (fold_truthop): Remove code generating
 326         BIT_FIELD_REFs of structure bases.
 327         (fold_binary): Likewise.
 328         (fold_ternary): Position and size of BIT_FIELD_REFs are
 329         always host integers.
 330         (make_bit_field_ref): Remove.
 331         (optimize_bit_field_compare): Remove.
 332         (all_ones_mask_p): Remove.
 333
 334 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 335
 336         PR gcc/33009
 337         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 338         (split_block_and_df_analyze): New. Split basic block and rebuild
 339         dataflow.
 340         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 341         SPLIT_BLOCK.
 342         (split_pattern_seq): Likewise.
 343         (erase_matching_seqs): Likewise.
 344         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 345
 346 2008-03-04  Geoff Keating  <geoffk@apple.com>
 347
 348         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 349         declaration and code.
 350         (tree_invalid_nonnegative_warnv_p): Likewise.
 351
 352 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 353
 354         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 355         examples.  Truncate option-names then causing overfull hbox.
 356
 357 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 358
 359         PR target/35222
 360         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 361         on hpux10.
 362         * configure: Rebuilt.
 363
 364 2008-03-04  Rafael Espindola  <espindola@google.com>
 365
 366         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 367         (tree_unary_nonnegative_warnv_p): New.
 368         (tree_binary_nonnegative_warnv_p): New.
 369         (tree_single_nonnegative_warnv_p): New.
 370         (tree_invalid_nonnegative_warnv_p): New.
 371         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 372
 373 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 374
 375         PR 28322
 376         * opts.c (handle_option): Postpone 'unknown option' errors only for
 377         warning options.
 378
 379 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 380
 381         PR target/35453
 382         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 383         (_SIDD_XXX): This.
 384
 385 2008-03-04  Rafael Espindola  <espindola@google.com>
 386
 387         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 388         (tree_binary_nonzero_warnv_p): New.
 389         (tree_single_nonzero_warnv_p): New.
 390         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 391
 392 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 393
 394         PR middle-end/35456
 395         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 396         transformations for modes that have signed zeros.
 397         * ifcvt.c (noce_try_abs): Ditto.
 398
 399 >>>>>>> .r132956
 400 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 401
 402         * config/i386/i386.c (override_options): Force
 403         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 404
 405 2008-03-04  Jan Hubicka  <jh@suse.cz>
 406
 407         PR c++/35262
 408         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 409         in last commit.
 410
 411 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 412
 413         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 414         label to probe the stack.
 415
 416 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 417
 418         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 419         (__gthr_win32_mutex_destroy): Declare.
 420         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 421         __gthr_win32_mutex_destroy.
 422         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 423
 424 2008-03-03  Jan Hubicka  <jh@suse.cz>
 425
 426         PR c++/35262
 427         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 428         aggressive on inlining cold calls.
 429
 430 2008-03-03  Richard Guenther  <rguenther@suse.de>
 431
 432         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 433         struct copies into the expression table.
 434         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 435         (try_to_simplify): Likewise.
 436         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 437         integral and pointer arguments which do not change the
 438         precision to NOP_EXPRs.
 439         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 440         VIEW_CONVERT_EXPR case.
 441
 442 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 443
 444         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 445         defined in a loop at depth 0 is invariant.
 446         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 447         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 448         be called at loop depth 0.
 449
 450 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 451
 452         PR driver/35420
 453         * gcc.c (process_command): Update copyright notice dates.
 454         * gcov.c (print_version): Likewise.
 455         * gcov-dump.c (print_version): Likewise.
 456         * mips-tfile.c (main): Likewise.
 457         * mips-tdump.c (main): Likewise.
 458
 459 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 460
 461         PR 24924
 462         * c-common.c (flag_permissive): Delete.
 463         (constant_expression_warnings): Check flags first.
 464         (constant_expression_error): New.
 465         * c-common.h (flag_permissive): Delete.
 466         (constant_expression_error): Declare.
 467         * flags.h (flag_permissive): Declare. Update description.
 468         * diagnostic.c (pedwarn): Update.
 469         (permerror): New.
 470         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 471         (permissive_error_kind): New.
 472         * toplev.c (flag_permissive): Define. Update description.
 473         * toplev.h (permissive_error_kind): Declare.
 474         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 475         (pedwarn_c90): Use pedantic_warning_kind.
 476         * c-opts.c (c_common_post_options): flag_permissive does not affect
 477         flag_pedantic_errors.
 478
 479 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 480
 481         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 482         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 483         __absvsi2, __absvDI2): Use unsigned arithmetic.
 484
 485 2008-03-02  Andi Kleen  <ak@suse.de>
 486         Richard Guenther  <rguenther@suse.de>
 487
 488         * struct-equiv.c: Remove file.
 489         * cfg_cleanup.c (condjump_equiv_p): Remove.
 490         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 491         (struct-equiv.o): Remove rule.
 492         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 493         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 494         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 495
 496 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 497
 498         * ifcvt.c (noce_process_if_block): Try to handle only the then
 499         block if the else block exists but isn't suitable.
 500
 501 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 502
 503         PR gcc/35063
 504         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 505         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 506         regression from previous patch.
 507
 508 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 509
 510         PR gcc/35063
 511         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 512         implemented.
 513         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 514         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 515         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 516         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 517         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 518         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
 519         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
 520         (__gthread_mutex_destroy_function): Rename to
 521         __gthread_mutex_destroy.
 522         * gthr-dce.h (__gthread_mutex_destroy): Call
 523         pthread_mutex_destroy.
 524         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
 525         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
 526         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
 527
 528 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 529
 530         * df-scan.c (df_ref_chain_change_bb): Simplify.
 531         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
 532         set_block_for_insn if there's any change.
 533         * df.h ((df_insn_change_bb): Fix prototype.
 534         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
 535         df_insn_change_bb, don't call set_block_for_insn.
 536         * emit-rtl.c (reorder_insns): Likewise.
 537         * haifa-sched.c (move_insn): Likewise.
 538
 539 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 540
 541         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
 542
 543 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 544
 545         * tree-flow-inline.h (next_readonly_imm_use): Return
 546         NULL_USE_OPERAND_P after the end.
 547
 548 2008-03-01  Richard Guenther  <rguenther@suse.de>
 549
 550         PR tree-optimization/35411
 551         * tree-sra.c (sra_build_assignment): Split conversion to
 552         final type to a separate statement if we are not assigning
 553         to a register.
 554
 555 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 556
 557         * fold-const.c (fold_convertible_p): Correct the logic to follow
 558         that in fold_convert().
 559
 560 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
 561
 562         PR c++/35315
 563         * tree-inline.c (build_duplicate_type): When we make a
 564         duplicate type, make it unique in the canonical types system.
 565
 566 2008-02-29  Tom Tromey  <tromey@redhat.com>
 567
 568         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
 569         input_file_stack_history, input_file_stack_restored): Remove.
 570         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 571         * input.h (struct file_stack): Remove.
 572         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
 573         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
 574         Likewise.
 575         * diagnostic.h (struct diagnostic_context) <last_module>: Change
 576         type.
 577         (diagnostic_last_module_changed): Add 'map' argument.
 578         (diagnostic_set_last_function): Likewise.
 579         * diagnostic.c (undiagnostic_report_current_module): Iterate using
 580         line map, not input_file_stack.
 581         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
 582
 583 2008-02-29  Paul Brook  <paul@codesourcery.com>
 584
 585         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
 586
 587 2008-02-29  Paul Brook  <paul@codesourcery.com>
 588
 589         * config/arm/ieee754-df.S (muldf3): Use RET macros.
 590
 591 2008-02-29  Richard Guenther  <rguenther@suse.de>
 592
 593         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
 594         vn_lookup_or_add.
 595         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
 596         value for comparing for a store match.
 597         (simplify_unary_expression): Do nothing for SSA_NAMEs.
 598         (try_to_simplify): Do not do a full-blown reference lookup.
 599
 600 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 601
 602         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
 603         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
 604
 605         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
 606
 607 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * tree-loop-linear.c (try_interchange_loops): Compare memory access
 610         strides against cache sizes.
 611
 612 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 613
 614         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
 615         constant to fpul.
 616
 617 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 618
 619         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
 620         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
 621         is smaller than the original promoted value.
 622         (simplify_subreg): If OP is a SUBREG, try to preserve its
 623         SUBREG_PROMOTED_VAR_P information.
 624
 625 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
 626
 627         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
 628         (VN_INFO_GET): Allocate new objects on the obstack.
 629         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
 630         for rpo_numbers_temp, for consistency.
 631         (free_scc_vn): Free the obstack.
 632
 633 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * doc/invoke.texi: Document -ftree-loop-distribution.
 636         * tree-loop-distribution.c: New.
 637         * tree-pass.h (pass_loop_distribution): New.
 638         * graphds.h (struct graph): Add htab_t indices.
 639         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
 640         * tree-vectorizer.c (rename_variables_in_loop): Extern.
 641         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
 642         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
 643         * tree-data-ref.c (debug_data_dependence_relations): New.
 644         (dump_data_dependence_relation): Also print data references.
 645         (free_data_ref): Extern.
 646         (same_access_functions): Moved...
 647         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
 648         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 649         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
 650         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
 651         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
 652         (stmts_from_loop): Skip LABEL_EXPR.
 653         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
 654         New.
 655         (build_rdg): Initialize rdg->indices htab.
 656         (free_rdg, stores_from_loop, ref_base_address,
 657         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
 658         have_similar_memory_accesses_1, ref_base_address_1,
 659         remove_similar_memory_refs): New.
 660         * tree-data-ref.h: Depend on tree-chrec.h.
 661         (debug_data_dependence_relations, free_data_ref): Declared.
 662         (same_access_functions): ... here.
 663         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
 664         New.
 665         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
 666         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
 667         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
 668         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
 669         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
 670         rdg_vertex_for_stmt): Declared.
 671         (struct rdg_edge): Add level.
 672         (RDGE_LEVEL): New.
 673         (free_rdg, stores_from_loop, remove_similar_memory_refs,
 674         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
 675         Declared.
 676         (rdg_has_similar_memory_accesses): New.
 677         * tree-vect-analyze.c: Remove unused static decls.
 678         * lambda.h (dependence_level): New.
 679         * common.opt (ftree-loop-distribution): New.
 680         * tree-flow.h (mark_virtual_ops_in_bb,
 681         slpeel_tree_duplicate_loop_to_edge_cfg,
 682         rename_variables_in_loop): Declared.
 683         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
 684         (OBJS-common): Add tree-loop-distribution.o.
 685         (tree-loop-distribution.o): New rule.
 686         * tree-cfg.c (mark_virtual_ops_in_bb): New.
 687         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
 688         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
 689
 690 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
 691
 692         PR target/33963
 693         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
 694         other than structures and unions.
 695
 696 2008-02-28  Richard Guenther  <rguenther@suse.de>
 697
 698         Revert:
 699         2008-02-26  Richard Guenther  <rguenther@suse.de>
 700
 701         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 702         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 703         (lookup_decl_from_uid): Declare.
 704         (remove_decl_from_map): Likewise.
 705         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 706         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 707         (decl_for_uid_map): New global hashtable mapping DECL_UID
 708         to the decl tree.
 709         (init_ttree): Allocate it.
 710         (insert_decl_to_uid_decl_map): New helper function.
 711         (make_node_stat): Insert new decls into the map.
 712         (copy_node_stat): Likewise.
 713         (lookup_decl_from_uid): New function.
 714         (remove_decl_from_map): Likewise.
 715         (print_decl_for_uid_map_statistics): New helper.
 716         (dump_tree_statistics): Call it.
 717
 718         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 719         (referenced_var_iterator): Adjust.
 720         (FOR_EACH_REFERENCED_VAR): Adjust.
 721         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 722         (num_referenced_vars): Adjust.
 723         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 724         (first_referenced_var): Remove.
 725         (end_referenced_vars_p): Likewise.
 726         (next_referenced_var): Likewise.
 727         (referenced_var_iterator_set): New helper function.
 728         * tree-dfa.c (referenced_var_lookup): Adjust.
 729         (referenced_var_check_and_insert): Likewise.
 730         (remove_referenced_var): Likewise.
 731         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 732         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 733         (verify_call_clobbering): Likewise.
 734         (verify_memory_partitions): Likewise.
 735         (init_tree_ssa): Allocate bitmap instead of hashtable for
 736         referenced_vars.
 737         (delete_tree_ssa): Adjust.
 738         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 739         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 740         (compute_tag_properties): Likewise.
 741         (set_initial_properties): Likewise.
 742         (find_partition_for): Likewise.
 743         (update_reference_counts): Likewise.
 744         (dump_may_aliases_for): Likewise.
 745         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 746         (add_call_clobber_ops): Likewise.
 747         (add_call_read_ops): Likewise.
 748         (get_asm_expr_operands): Likewise.
 749         * tree-into-ssa.c (dump_decl_set): Likewise.
 750         (update_ssa): Likewise.
 751         * tree-sra.c (scan_function): Likewise.
 752         (decide_instantiations): Likewise.
 753         (scalarize_parms): Likewise.
 754         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 755         (dsa_named_for): Likewise.
 756         * tree-ssa-structalias.c (update_alias_info): Likewise.
 757         (merge_smts_into): Likewise.
 758
 759 2008-02-27  David Daney  <ddaney@avtrex.com>
 760
 761         PR target/34409
 762         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
 763         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
 764         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
 765         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
 766         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
 767
 768 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
 769
 770         PR target/25477
 771         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
 772         (BUILT_IN_NEXTTOWARD): Remove.
 773         (BUILT_IN_NEXTTOWARDF): Ditto.
 774         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
 775         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
 776
 777 2008-02-27  Tom Tromey  <tromey@redhat.com>
 778
 779         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
 780         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
 781
 782 2008-02-27  Jan Beulich  <jbeulich@novell.com>
 783
 784         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
 785         update the respective field on newdecl.
 786
 787 2008-02-27  Revital Eres  <eres@il.ibm.com>
 788
 789         PR rtl-optimization/34999
 790         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
 791         crossing edges that ends with a call insn.
 792         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
 793         call insn and clear the EDGE_CROSSING flag of the crossing edge
 794         when fixing fallthru edges.
 795
 796 2008-02-27  Richard Guenther  <rguenther@suse.de>
 797
 798         PR middle-end/35390
 799         * fold-const.c (fold_unary): Return the correct argument,
 800         converted to the result type.
 801
 802 2008-02-27  Richard Guenther  <rguenther@suse.de>
 803
 804         PR middle-end/34971
 805         * expr.c (expand_expr_real_1): Assert on rotates that operate
 806         on partial modes.
 807         * fold-const.c (fold_binary): Use the types precision, not the
 808         bitsize of the mode if folding rotate expressions.  Build rotates
 809         only for full modes.
 810
 811 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
 812
 813         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
 814         and CPP_PRAGMA_EOL.
 815         * c-pragma.c (pragma_ns_name): New typedef.
 816         (registered_pp_pragmas): New variable.
 817         (c_pp_lookup_pragma): New function.
 818         (c_register_pragma_1): If flag_preprocess_only, do nothing
 819         for non-expanded pragmas, for expanded ones push pragma's
 820         namespace and name into registered_pp_pragmas vector.
 821         (c_invoke_pragma_handler): Register OpenMP pragmas even when
 822         flag_preprocess_only, don't register GCC pch_preprocess
 823         pragma if flag_preprocess_only.
 824         * c-opts.c (c_common_init): Call init_pragma even if
 825         flag_preprocess_only.
 826         * c-pragma.c (c_pp_lookup_pragma): New prototype.
 827         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
 828         cpp_register_pragma if flag_preprocess_only.
 829
 830 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 831
 832         PR c/28800
 833         * c-parser.c (c_parser_translation_unit): Warn for empty
 834         translation unit, not empty source file.
 835
 836 2008-02-26  Paul Brook  <paul@codesourcery.com>
 837
 838         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
 839         operand for Thumb-2.
 840         * config/arm/arm.h (reg_class): Add CORE_REGS.
 841         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
 842         (BASE_REG_CLASS): Use CORE_REGS.
 843         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
 844         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
 845         (REGNO_OK_FOR_INDEX_P): Exclude SP.
 846         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
 847         ARM_REGNO_OK_FOR_INDEX_P.
 848         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
 849         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
 850         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
 851         (ldm/stm peepholes): Ditto.
 852         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
 853         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
 854         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
 855         * config/arm/constraints.md: Enable "k" constraint on ARM.
 856
 857 2008-02-27  Ben Elliston  <bje@au.ibm.com>
 858
 859         * config/rs6000/rs6000.c: Annotate cache line size field in all
 860         instances of struct processor_costs.
 861
 862 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
 863
 864         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
 865         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
 866         jump_bypass): New counters.
 867         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
 868         * dce.c (gate_ud_dce): Same.
 869         (gate_fast_dce): Same.
 870         * dse.c (gate_dse1): New function.
 871         (gate_dse2): New function.
 872         (gate_dse): Merge results of new gate functions.
 873         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
 874         (gate_handle_jump_bypass): Add dbg_cnt.
 875         (gate_handle_gcse): Add dbg_cnt.
 876         * ifcvt.c (gate_handle_if_conversion): Same.
 877         (gate_handle_if_after_combine): Same.
 878         (gate_handle_if_after_reload): Same.
 879         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
 880
 881 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
 882
 883         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
 884         line sizes.
 885         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
 886
 887 2008-02-26  Jason Merrill  <jason@redhat.com>
 888
 889         PR c++/35315
 890         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
 891         alone if it's the naming decl for the type's main variant.
 892
 893 2008-02-26  Tom Tromey  <tromey@redhat.com>
 894
 895         * system.h (USE_MAPPED_LOCATION): Poison.
 896         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
 897         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
 898         (make_goto_expr_edges): Likewise.
 899         (remove_bb): Likewise.
 900         (execute_warn_function_return): Likewise.
 901         * basic-block.h (struct edge_def) <goto_locus>: Change type to
 902         location_t.
 903         * c-common.c (fname_decl): Remove old location code.
 904         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
 905         location code.
 906         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
 907         variant.
 908         (ASM_INPUT_SOURCE_LOCATION): Likewise.
 909         (gen_rtx_ASM_INPUT): Likewise.
 910         (gen_rtx_ASM_INPUT_loc): Likewise.
 911         (get_rtx_asm_OPERANDS): Remove.
 912         * cfglayout.c (insn_locators_alloc): Remove old location code.
 913         (set_curr_insn_source_location): Likewise.
 914         (curr_insn_locator): Likewise.
 915         * print-tree.c (print_node): Remove old location code.
 916         * tree-mudflap.c (mf_varname_tree): Remove old location code.
 917         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
 918         * cfgexpand.c (expand_gimple_cond_expr): Don't use
 919         location_from_locus.
 920         (construct_exit_block): Remove old location code.
 921         * emit-rtl.c (force_next_line_note): Remove old location code.
 922         * profile.c (branch_prob): Remove old location code.
 923         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
 924         LOC_LINE): Remove old-location variants.
 925         * langhooks.c (lhd_print_error_function): Remove old location
 926         code.
 927         * configure, config.in: Rebuilt.
 928         * configure.ac (--enable-mapped-location): Remove.
 929         * c-decl.c (c_init_decl_processing): Remove old location code.
 930         (finish_function): Likewise.
 931         * recog.c (decode_asm_operands): Remove old location code.
 932         * c-pch.c (c_common_read_pch): Remove old location code.
 933         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
 934         variants.
 935         * gimple-low.c (lower_function_body): Remove old location code.
 936         * toplev.c (unknown_location): Remove.
 937         (push_srcloc): Remove old-location variant.
 938         (process_options): Remove old location code.
 939         (lang_dependent_init): Likewise.
 940         * input.h (UNKNOWN_LOCATION): Move definition.
 941         (location_t): Undeprecate.
 942         (source_locus): Remove.
 943         (location_from_locus): Remove.
 944         (struct location_s): Remove.
 945         Remove all old-location code.
 946         (input_line, input_filename): Remove.
 947         * final.c (final_scan_insn): Remove old location code.
 948         * diagnostic.c (diagnostic_build_prefix): Remove
 949         USE_MAPPED_LOCATION test.
 950         * tree.h (gimple_stmt) <locus>: Now a location_t.
 951         (tree_exp) <locus>: Likewise.
 952         (DECL_IS_BUILTIN): Remove old-location variant.
 953         (annotate_with_file_line, annotate_with_locus): Likewise.
 954         (expr_locus, set_expr_locus): Update.
 955         * tree.c (build1_stat): Remove old location code.
 956         (last_annotated_node): Remove.
 957         (annotate_with_file_line): Remove old-location variant.
 958         (annotate_with_locus): Likewise.
 959         (expr_location): Remove old location code.
 960         (set_expr_location): Likewise.
 961         (expr_has_location): Likewise.
 962         (expr_locus): Likewise.
 963         (set_expr_locus): Likewise.
 964         (expr_filename): Don't use location_from_locus.
 965         (expr_lineno): Likewise.
 966         * rtl-error.c (location_for_asm): Remove old location code.
 967         * c-lex.c (cb_line_change): Remove old location code.
 968         (fe_file_change): Likewise.
 969         (cb_def_pragma): Likewise.
 970         (c_lex_with_flags): Likewise.
 971         * gengtype.c (do_typedef): Don't special-case location types.
 972         (define_location_structures): Remove.
 973         (main): Don't call define_location_structures.
 974         * tree-pretty-print.c (dump_implicit_edges): Remove old location
 975         code.
 976
 977 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 978
 979         PR 26264
 980         * builtins.def (BUILT_IN_STDARG_START): Remove.
 981         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
 982         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
 983         * tree-inline.c (inline_forbidden_p_1): Likewise.
 984
 985 2008-02-26  Richard Guenther  <rguenther@suse.de>
 986
 987         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 988         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 989         (lookup_decl_from_uid): Declare.
 990         (remove_decl_from_map): Likewise.
 991         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 992         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 993         (decl_for_uid_map): New global hashtable mapping DECL_UID
 994         to the decl tree.
 995         (init_ttree): Allocate it.
 996         (insert_decl_to_uid_decl_map): New helper function.
 997         (make_node_stat): Insert new decls into the map.
 998         (copy_node_stat): Likewise.
 999         (lookup_decl_from_uid): New function.
1000         (remove_decl_from_map): Likewise.
1001         (print_decl_for_uid_map_statistics): New helper.
1002         (dump_tree_statistics): Call it.
1003
1004         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1005         (referenced_var_iterator): Adjust.
1006         (FOR_EACH_REFERENCED_VAR): Adjust.
1007         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1008         (num_referenced_vars): Adjust.
1009         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1010         (first_referenced_var): Remove.
1011         (end_referenced_vars_p): Likewise.
1012         (next_referenced_var): Likewise.
1013         (referenced_var_iterator_set): New helper function.
1014         * tree-dfa.c (referenced_var_lookup): Adjust.
1015         (referenced_var_check_and_insert): Likewise.
1016         (remove_referenced_var): Likewise.
1017         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1018         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1019         (verify_call_clobbering): Likewise.
1020         (verify_memory_partitions): Likewise.
1021         (init_tree_ssa): Allocate bitmap instead of hashtable for
1022         referenced_vars.
1023         (delete_tree_ssa): Adjust.
1024         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1025         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1026         (compute_tag_properties): Likewise.
1027         (set_initial_properties): Likewise.
1028         (find_partition_for): Likewise.
1029         (update_reference_counts): Likewise.
1030         (dump_may_aliases_for): Likewise.
1031         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1032         (add_call_clobber_ops): Likewise.
1033         (add_call_read_ops): Likewise.
1034         (get_asm_expr_operands): Likewise.
1035         * tree-into-ssa.c (dump_decl_set): Likewise.
1036         (update_ssa): Likewise.
1037         * tree-sra.c (scan_function): Likewise.
1038         (decide_instantiations): Likewise.
1039         (scalarize_parms): Likewise.
1040         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1041         (dsa_named_for): Likewise.
1042         * tree-ssa-structalias.c (update_alias_info): Likewise.
1043         (merge_smts_into): Likewise.
1044
1045 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1046
1047         PR 34351
1048         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1049         * c-opts.c (c_common_handle_option): Wall enables
1050         Wvolatile-register-var.
1051         * common.opt: Move Wvolatile-register-var to...
1052         * c.opt: ...here.
1053
1054 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1055
1056         * common.opt (Wlarger-than=): New.
1057         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1058         -Wlarger-than=.
1059         * opts.c (common_handle_option): Handle -Wlarger-than=.
1060         * optc-gen.awk: Likewise.
1061         * opth-gen.awk: Likewise.
1062         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1063         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1064
1065 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1066
1067         * c-common.c (match_case_to_enum_1): Add appropriate
1068         OPT_W* parameter to warning.
1069         (c_do_switch_warnings): Likewise.
1070         * c-typeck.c (warning_init): Add one more parameter following
1071         'warning' function.
1072         (push_init_level): Update call to warning_init.
1073         (pop_init_level): Likewise.
1074         (add_pending_init): Likewise.
1075         (output_init_element: Likewise.
1076
1077 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1078
1079         PR 28322
1080         * toplev.c (toplev_main): If there are warnings or error, print
1081         errors for ignored options.
1082         * opts.c (ignored_options): New static variable.
1083         (postpone_unknown_option_error): New.
1084         (print_ignored_options): New.
1085         (handle_option): Postpone errors for unknown -Wno-* options.
1086         * opts.h (print_ignored_options): Declare.
1087
1088 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1089
1090         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1091         to "ghost".
1092
1093 2008-02-25  Richard Guenther  <rguenther@suse.de>
1094
1095         Revert:
1096         2008-02-25  Richard Guenther  <rguenther@suse.de>
1097
1098         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1099         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1100         (lookup_decl_from_uid): Declare.
1101         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1102         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1103         (decl_for_uid_map): New global hashtable mapping DECL_UID
1104         to the decl tree.
1105         (init_ttree): Allocate it.
1106         (insert_decl_to_uid_decl_map): New helper function.
1107         (make_node_stat): Insert new decls into the map.
1108         (copy_node_stat): Likewise.
1109         (lookup_decl_from_uid): New function.
1110         (print_decl_for_uid_map_statistics): New helper.
1111         (dump_tree_statistics): Call it.
1112
1113         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1114         (referenced_var_iterator): Adjust.
1115         (FOR_EACH_REFERENCED_VAR): Adjust.
1116         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1117         (num_referenced_vars): Adjust.
1118         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1119         (first_referenced_var): Remove.
1120         (end_referenced_vars_p): Likewise.
1121         (next_referenced_var): Likewise.
1122         (referenced_var_iterator_set): New helper function.
1123         * tree-dfa.c (referenced_var_lookup): Adjust.
1124         (referenced_var_check_and_insert): Likewise.
1125         (remove_referenced_var): Likewise.
1126         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1127         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1128         (verify_call_clobbering): Likewise.
1129         (verify_memory_partitions): Likewise.
1130         (init_tree_ssa): Allocate bitmap instead of hashtable for
1131         referenced_vars.
1132         (delete_tree_ssa): Adjust.
1133         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1134         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1135         (compute_tag_properties): Likewise.
1136         (set_initial_properties): Likewise.
1137         (find_partition_for): Likewise.
1138         (update_reference_counts): Likewise.
1139         (dump_may_aliases_for): Likewise.
1140         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1141         (add_call_clobber_ops): Likewise.
1142         (add_call_read_ops): Likewise.
1143         (get_asm_expr_operands): Likewise.
1144         * tree-into-ssa.c (dump_decl_set): Likewise.
1145         (update_ssa): Likewise.
1146         * tree-sra.c (scan_function): Likewise.
1147         (decide_instantiations): Likewise.
1148         (scalarize_parms): Likewise.
1149         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1150         (dsa_named_for): Likewise.
1151         * tree-ssa-structalias.c (update_alias_info): Likewise.
1152         (merge_smts_into): Likewise.
1153
1154 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1155
1156         PR fortran/29549
1157         * doc/invoke.texi (-fcx-limited-range): Document new option.
1158         * toplev.c (process_options): Handle -fcx-fortran-rules.
1159         * common.opt: Add documentation for -fcx-fortran-rules.
1160
1161 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1162
1163         PR c/35162
1164         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1165         actual behaviour and C99.
1166
1167 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1168
1169         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1170         (ASM_CPU_POWER6_SPEC): Likewise.
1171         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1172         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1173         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1174
1175 2008-02-25  Richard Guenther  <rguenther@suse.de>
1176
1177         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1178         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1179         (lookup_decl_from_uid): Declare.
1180         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1181         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1182         (decl_for_uid_map): New global hashtable mapping DECL_UID
1183         to the decl tree.
1184         (init_ttree): Allocate it.
1185         (insert_decl_to_uid_decl_map): New helper function.
1186         (make_node_stat): Insert new decls into the map.
1187         (copy_node_stat): Likewise.
1188         (lookup_decl_from_uid): New function.
1189         (print_decl_for_uid_map_statistics): New helper.
1190         (dump_tree_statistics): Call it.
1191
1192         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1193         (referenced_var_iterator): Adjust.
1194         (FOR_EACH_REFERENCED_VAR): Adjust.
1195         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1196         (num_referenced_vars): Adjust.
1197         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1198         (first_referenced_var): Remove.
1199         (end_referenced_vars_p): Likewise.
1200         (next_referenced_var): Likewise.
1201         (referenced_var_iterator_set): New helper function.
1202         * tree-dfa.c (referenced_var_lookup): Adjust.
1203         (referenced_var_check_and_insert): Likewise.
1204         (remove_referenced_var): Likewise.
1205         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1206         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1207         (verify_call_clobbering): Likewise.
1208         (verify_memory_partitions): Likewise.
1209         (init_tree_ssa): Allocate bitmap instead of hashtable for
1210         referenced_vars.
1211         (delete_tree_ssa): Adjust.
1212         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1213         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1214         (compute_tag_properties): Likewise.
1215         (set_initial_properties): Likewise.
1216         (find_partition_for): Likewise.
1217         (update_reference_counts): Likewise.
1218         (dump_may_aliases_for): Likewise.
1219         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1220         (add_call_clobber_ops): Likewise.
1221         (add_call_read_ops): Likewise.
1222         (get_asm_expr_operands): Likewise.
1223         * tree-into-ssa.c (dump_decl_set): Likewise.
1224         (update_ssa): Likewise.
1225         * tree-sra.c (scan_function): Likewise.
1226         (decide_instantiations): Likewise.
1227         (scalarize_parms): Likewise.
1228         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1229         (dsa_named_for): Likewise.
1230         * tree-ssa-structalias.c (update_alias_info): Likewise.
1231         (merge_smts_into): Likewise.
1232
1233 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1234
1235         PR target/35258
1236         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1237         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1238         * alias.h (nonoverlapping_memrefs_p): Likewise.
1239
1240 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1241
1242         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1243         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1244         __emultls_get_address, __emultls_register_common,
1245         __floatundi?f, and _Unwind_GetIPInfo.
1246         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1247         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1248         (gen_regparm_prefix): Likewise.
1249         (i386_nlm_encode_section_info): Sync with
1250         config/i386/winnt.c:i386_pe_encode_section_info().
1251         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1252         i386_nlm_mangle_decl_assembler_name): New.
1253         (netware_override_options): New.
1254         * config/i386/netware.h (netware_override_options): Declare.
1255         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1256         (i386_nlm_mangle_decl_assembler_name): Declare.
1257         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1258
1259 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1260
1261         PR other/32948
1262         * c-decl.c (grokdeclarator): Remove unused local variables
1263         `typedef_type' and `type_as_written'.
1264         * bb-reorder.c
1265         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1266         unused local variable `has_hot_blocks'.
1267         (fix_crossing_conditional_branches): Remove unused local variable
1268         `prev_bb'.
1269
1270 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1271
1272         PR middle-end/19984
1273         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1274         using DEF_C99_BUILTIN.
1275         (BUILT_IN_NANF): Ditto.
1276         (BUILT_IN_NANL): Ditto.
1277
1278 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1279             Revital Eres  <eres@il.ibm.com>
1280
1281         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1282         regarding the order of two dependent insns in the same row.
1283
1284 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1285
1286         * stor-layout.c (layout_decl): Do not bump the alignment of a
1287         bit-field to more than byte alignment if it is packed.
1288
1289 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1290
1291         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1292         e300c2 and e300c3.
1293
1294 2008-02-24  Diego Novillo  <dnovillo@google.com>
1295
1296         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1297
1298         PR 33738
1299         * tree-vrp.c (vrp_evaluate_conditional): With
1300         -Wtype-limits, emit a warning when comparing against a
1301         constant outside the natural range of OP0's type.
1302         * c.opt (Wtype-limits): Move ...
1303         * common.opt (Wtype-limits): ... here.
1304
1305 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1306
1307         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1308         * config/rs6000/e300c2c3.md: New file.
1309         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1310         e300c2 and e300c3.
1311         (rs6000_override_options): Add e300c2 and e300c3 cases to
1312         processor_target_table. Do not allow usage of Altivec or Spe
1313         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1314         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1315         * config/rs6000/rs6000.h (processor_type): Add
1316         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1317         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1318         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1319         and ppce300c3. Include e300c2c3.md.
1320
1321 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1322
1323         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1324         instead of TARGET_STRICT_ALIGN.
1325
1326 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1327
1328         * explow.c (memory_address): Assert that the generated address is
1329         valid.
1330
1331 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1332
1333         PR target/25477
1334         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1335         * config/darwin-ppc-ldouble-patch.def: New file.
1336         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1337         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1338         SUBTARGET_INIT_BUILTINS if defined.
1339         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1340         New functions.
1341
1342 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1343
1344         PR rtl-opt/33512
1345         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1346         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1347
1348 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1349
1350         PR pch/35027
1351         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1352         file" warning condtional on -Winvalid-PCH.
1353
1354 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1355
1356         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1357
1358 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1359
1360         PR target/22076
1361         PR target/34256
1362         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1363         prevent reload from using MMX registers.
1364         (*mov<mode>_internal): Ditto.
1365         (*movv2sf_internal_rex64): Ditto.
1366         (*movv2sf_internal): Ditto.
1367
1368 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1369
1370         PR documentation/31569
1371         * doc/install.texi2html: Use makeinfo --no-number-sections.
1372
1373 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1374
1375         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1376         ensure that we can address an entire entity > 8 bytes.  Don't
1377         generate reg+reg addressing for such data.
1378
1379 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1380
1381         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1382         strings when optimizing for size, unless the target cares about
1383         alignment.
1384
1385 2008-02-22  Tom Tromey  <tromey@redhat.com>
1386
1387         * regclass.c (current_pass): Remove declaration.
1388
1389 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1390
1391         * config/avr/libgcc.S (__RAMPZ__): Define.
1392         (__do_copy_data): Add for devices with 128KB code memory.
1393
1394 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1395
1396         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1397         Use spe_abi.
1398         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1399
1400 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1401
1402         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1403         GENNONACR_REGS.
1404
1405 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1406
1407         PR c/19999
1408         * c-typeck.c (build_binary_op): Warn about floating point
1409         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1410
1411 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1412
1413         PR target/34526
1414         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1415         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1416         add vrsave.
1417         (rs6000_override_options): Set altivec_abi as default, not override,
1418         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1419         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1420         is used; use new member spe_abi.
1421         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1422         spe_abi and altivec_abi.
1423
1424 2008-02-22  Tomas Bily  <tbily@suse.cz>
1425
1426         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1427
1428 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1429
1430         PR bootstrap/35273
1431         * config.build (build_file_translate): Set to `CMD //c' only if
1432         it works.
1433         * Makefile.in (build_file_translate): Improve comment.
1434
1435 2008-02-21  Jan Hubicka  <jh@suse.cz>
1436
1437         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1438         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1439         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1440
1441 2008-02-21  Michael Matz  <matz@suse.de>
1442
1443         PR target/35264
1444         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1445
1446 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1447
1448         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1449         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1450         as insn constraint.
1451         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1452         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1453         SSE_VEC_FLOAT_MODE_P as insn constraint.
1454         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1455         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1456         sse4a_movntdf using MODEF mode iterator.
1457         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1458         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1459         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1460         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1461         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1462         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1463         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1464
1465 2008-02-21  Richard Guenther  <rguenther@suse.de>
1466
1467         * tree.def (PAREN_EXPR): New tree code.
1468         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1469         and PAREN_EXPR.
1470         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1471         * expr.c (expand_expr_real_1): Likewise.
1472         * tree-inline.c (estimate_num_insns_1): Likewise.
1473         * tree-complex.c (expand_complex_move): Likewise.
1474         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1475         as plain x.
1476
1477 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1478
1479         PR target/35225
1480         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1481
1482 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1483
1484         PR target/35190
1485         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1486
1487         * config/sh/sh.c (find_barrier): Don't go past
1488         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1489
1490 2008-02-20  DJ Delorie  <dj@redhat.com>
1491
1492         * config/h8300/h8300.md (insv): Force source operand to be a register.
1493
1494         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1495         as a jump, not as a plain insn.
1496
1497 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1498
1499         * doc/invoke.texi (Warning Options): Add new option
1500         -Wframe-larger-than=.
1501         (-Wframe-larger-than): Document.
1502
1503         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1504         Add declarations for new option variables.
1505
1506         * final.c (final_start_function): Check the frame size
1507         before emission and issue a Wframe-larger-than warning.
1508
1509         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1510         Add definitions for new option variables.
1511         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1512
1513         * common.opt (Wframe-larger-than=): New option.
1514
1515 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1516
1517         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1518         (<sse>_div<mode>3): Ditto.
1519         (<sse>_vmdiv<mode>3): Ditto.
1520         (<sse>_vmsqrt<mode>2): Ditto.
1521         (*smax<mode>3): Ditto.
1522         (sse5_frcz<mode>2): Ditto.
1523         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
1524         as insn constraint.
1525
1526 2008-02-20  Richard Guenther  <rguenther@suse.de>
1527
1528         PR middle-end/35265
1529         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1530         be happy with INTEGRAL_TYPE_P.
1531
1532 2008-02-20  Richard Guenther  <rguenther@suse.de>
1533
1534         * fold-const.c (split_tree): Associate floatig-point expressions
1535         if flag_associative_math is set.
1536
1537 2008-02-20  Richard Guenther  <rguenther@suse.de>
1538
1539         * tree.h (fold_real_zero_addition_p): Declare.
1540         * fold-const.c (fold_real_zero_addition_p): Export.
1541         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1542         floating-point operations with zero and one.
1543
1544 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
1545
1546         * doc/install.texi: Correct references to CFLAGS, replacing them
1547         with BOOT_CFLAGS.  Document flags used during bootstrap for
1548         target libraries.
1549
1550 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1551
1552         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1553         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1554         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1555         insn constraint.
1556         (smin<mode>3): Ditto from similar patterns.
1557         (smax<mode>3): Ditto.
1558         (*ieee_smin<mode>3): Ditto.
1559         (*ieee_smax<mode>3): Ditto.
1560         * config/i386/sse.md (sse): New mode attribute.
1561         (mov<mode>): Macroize expander from movv4sf and movv2df using
1562         SSEMODEF2P mode iterator.
1563         (<sse>_movnt<mode>): Ditto from similar patterns. Use
1564         SSE_VEC_FLOAT_MODE_P as insn constraint.
1565         (storent<mode>): Ditto.
1566         (storent<mode>): Macroize expander from storentsf and storentdf using
1567         MODEF mode iterator.
1568         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1569         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1570         (abs<mode>2): Ditto from similar patterns.
1571         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1572         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1573         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1574         (<sse>_vmsqrt<mode>2): Ditto.
1575         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1576         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1577         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1578         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1579         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1580         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1581         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1582         insn constraint.
1583         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1584         iterator and SSE_FLOAT_MODE_P as insn constraint.
1585         (<sse>_ucomi): Ditto from similar patterns.
1586         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1587         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1588         SSE_VEC_FLOAT_MODE_P as insn constraint.
1589         (vcond<mode>): Ditto from similar patterns.
1590         (and<mode>3, *and<mode>3): Ditto.
1591         (<sse>_nand<mode>3): Ditto.
1592         (ior<mode>3, *ior<mode>3): Ditto.
1593         (xor<mode>3, *xor<mode>3): Ditto.
1594         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1595         iterator and SSE_FLOAT_MODE_P as insn constraint.
1596         (*nand<mode>3): Ditto from similar patterns.
1597         (*ior<mode>3): Ditto.
1598         (*xor<mode>3): Ditto.
1599
1600 2008-02-20  Ira Rosen  <irar@il.ibm.com>
1601
1602         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1603         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1604         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1605
1606 2008-02-19  Jan Hubicka  <jh@suse.cz>
1607
1608         * predict.c (tree_bb_level_predictions): Remove variable next
1609         mistakely introduced by previous commit.
1610
1611 2008-02-19  Jan Hubicka  <jh@suse.cz>
1612
1613         * predict.c (predict_paths_leading_to): Rewrite.
1614         (predict_paths_for_bb): New.
1615         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1616
1617 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1618
1619         PR bootstrap/35218
1620         * Makefile.in (build_file_translate): New.
1621         (gcc-vers.texi): Use it for translating $(abs_srcdir).
1622         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1623         * configure.ac (build_file_translate): Substitute it.
1624         * configure: Regenerate.
1625
1626 2008-02-19  Jan Hubicka  <jh@suse.cz>
1627
1628         PR rtl-optimization/34408
1629         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
1630         invalid sharing.
1631
1632 2008-02-19  Jan Hubicka  <jh@suse.cz>
1633
1634         PR middle-end/28779
1635         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
1636         call_expr.
1637
1638 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1639
1640         PR Ada/35186
1641         * config/i386/i386-modes.def: Revert the last DI alignment
1642         change until Ada people can look into it.
1643
1644 2008-02-19  Nick Clifton  <nickc@redhat.com>
1645
1646         * opts.c (print_specific_help): Fix typo in --help text.
1647
1648 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR target/35239
1651         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
1652         32-bit inline asm without asm alternatives for host GCC < 3.0.
1653
1654 2008-02-19  Richard Guenther  <rguenther@suse.de>
1655
1656         PR tree-optimization/34989
1657         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
1658         Allow propagation to INDIRECT_REF if we can simplify only.
1659
1660 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1661
1662         * c-common.c (warn_for_collisions_1): Use appropriate option when
1663         warning.
1664
1665 2008-02-19  Nick Clifton  <nickc@redhat.com>
1666
1667         PR other/31349
1668         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
1669         (handle_options): Fix indentation.
1670         (print_filtered_help): If no language-specific options were
1671         displayed tell the user how to list all the options supported by
1672         the language's front-end.
1673         (print_specific_help): Fix indentation and remove duplicate line.
1674         (common_handle_option): Handle the -v option.
1675         For --help enable the display of undocumented options if the -v
1676         switch has been included on the command line.
1677         For --help= check for overlaps in the arguments between the option
1678         classes and the language names and issue a warning when they
1679         cannot be disambiguated.
1680         * c.opt (v): Pass on to the common option handler.
1681
1682 2008-02-19  Revital Eres  <eres@il.ibm.com>
1683
1684         * modulo-sched.c (sms_schedule): Change dump message when
1685         create_ddg function fails.
1686         (try_scheduling_node_in_cycle): Rename row to cycle.
1687         (print_partial_schedule): Rename CYCLE to ROW.
1688
1689 2008-02-19  Christian Bruel  <christian.bruel@st.com>
1690             Zdenek Dvorak  <ook@ucw.cz>
1691
1692         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
1693
1694 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1695
1696         PR target/33555
1697         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
1698         (*x86_movdicc_0_m1_se): Ditto.
1699
1700 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
1701
1702         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
1703         (CMPtype): Define as __gcc_CMPtype.
1704         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
1705         (CMPtype): Define as __gcc_CMPtype.
1706
1707 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
1708
1709         Support valgrind 3.3 for --enable-checking=valgrind.
1710         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
1711         here.
1712         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
1713         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
1714         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
1715         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
1716         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
1717         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
1718         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
1719         respectively.
1720         * ggc-zone.c: Similar.
1721         * ggc-page.c: Similar.
1722
1723 2008-02-19  Paul Brook  <paul@codesourcery.com>
1724
1725         PR target/35071
1726         * config/arm/ieee754-df.S: Fix do_it typo.
1727         * config/arm/ieee754-sf.S: Fix do_it typo.
1728
1729 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1730
1731         PR target/35189
1732         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
1733         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
1734         (OPTION_MASK_ISA_SSE_SET): Likewise.
1735         (OPTION_MASK_ISA_SSE2_SET): Likewise.
1736         (OPTION_MASK_ISA_SSE3_SET): Likewise.
1737         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
1738         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
1739         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
1740         (OPTION_MASK_ISA_SSE4_SET): Likewise.
1741         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
1742         (OPTION_MASK_ISA_SSE5_SET): Likewise.
1743         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
1744         (OPTION_MASK_ISA_MMX_UNSET): Updated.
1745         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
1746         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1747         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1748         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1749         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1750         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1751         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1752         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
1753         (OPTION_MASK_ISA_SSE4): Removed.
1754         (ix86_handle_option): Turn on bits in ix86_isa_flags and
1755         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
1756         -mXXX.
1757         (override_options): Don't turn on implied SSE/MMX bits in
1758         ix86_isa_flags.
1759
1760 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1761
1762         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1763         32bit host.
1764
1765 2008-02-18  Joey Ye  <joey.ye@intel.com>
1766
1767         PR middle-end/34921
1768         * tree-nested.c (insert_field_into_struct): Set type alignment
1769         to field alignment if the former is less than the latter.
1770
1771 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
1772
1773         * BASE-VER: Set to 4.4.0.
1774
1775 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1776
1777         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
1778         * doc/cfg.texi: Likewise.
1779         * doc/extend.texi: Likewise.
1780         * doc/gty.texi: Likewise.
1781         * doc/invoke.texi: Likewise.
1782         * doc/loop.texi: Likewise.
1783         * doc/md.texi: Likewise.
1784         * doc/passes.texi: Likewise.
1785         * doc/rtl.texi: Likewise.
1786         * doc/sourcebuild.texi: Likewise.
1787         * doc/tm.texi: Likewise.
1788         * doc/tree-ssa.texi: Likewise.
1789
1790 2008-02-17  Richard Guenther  <rguenther@suse.de>
1791
1792         PR middle-end/35227
1793         * tree-complex.c (init_parameter_lattice_values): Handle parameters
1794         without default definition.
1795
1796 2008-02-17  Richard Guenther  <rguenther@suse.de>
1797
1798         PR tree-optimization/35231
1799         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
1800         if A | B != 1.
1801
1802 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
1803
1804         Revert:
1805
1806         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1807         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1808         libgcc_cmp_return mode.
1809
1810 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1811
1812         PR c/28368
1813         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
1814
1815 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
1816
1817         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
1818         multilibs.
1819
1820 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1821
1822         * doc/c-tree.texi: Use `@.' where appropriate.
1823         * doc/extend.texi: Likewise.
1824         * doc/install.texi: Likewise.
1825         * doc/invoke.texi: Likewise.
1826         * doc/loop.texi: Likewise.
1827         * doc/makefile.texi: Likewise.
1828         * doc/md.texi: Likewise.
1829         * doc/passes.texi: Likewise.
1830         * doc/standards.texi: Likewise.
1831         * doc/tm.texi: Likewise.
1832
1833 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1834
1835         PR middle-end/35196
1836         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
1837         in entry_bb.
1838         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
1839         rather than in entry_bb.
1840
1841 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1842
1843         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
1844         libgcc_cmp_return mode.
1845
1846 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
1847
1848         PR middle-end/35130
1849         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
1850         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
1851
1852 2008-02-15  Richard Guenther  <rguenther@suse.de>
1853             Zdenek Dvorak  <ook@ucw.cz>
1854
1855         PR tree-optimization/35164
1856         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
1857         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
1858         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1859         Only propagate addresses which do not have abnormal SSA_NAMEs
1860         in their operands.
1861
1862 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
1863
1864         PR target/35088
1865         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
1866
1867 2008-02-15  Jan Hubicka  <jh@suse.cz>
1868
1869         PR middle-end/35149
1870         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
1871
1872 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1873
1874         PR middle-end/34621
1875         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
1876         when calculating alignment_pad.
1877
1878 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
1881         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
1882         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
1883         and STACK_BOUNDARY define.
1884
1885 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
1886
1887         PR preprocessor/35061
1888         * c-pragma.c (handle_pragma_pop_macro): Check that
1889         pushed_macro_table has been allocated.
1890
1891 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         PR middle-end/35136
1894         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
1895         (force_gimple_operand): Likewise.
1896         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
1897         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
1898         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
1899         (find_interesting_uses_address): Check addressability and alignment
1900         of the base expression only after substituting bases of IVs into it.
1901
1902 2008-02-14  Michael Matz  <matz@suse.de>
1903
1904         PR target/34930
1905         * function.c (instantiate_virtual_regs_in_insn): Reload address
1906         before falling back to reloading the whole operand.
1907
1908 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1909
1910         * config/s390/s390.c (s390_mainpool_start): Emit the pool
1911         before the first section switch note.
1912
1913 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1914
1915         * doc/bugreport.texi: Update copyright years.
1916         * doc/c-tree.texi: Likewise.
1917         * doc/cfg.texi: Likewise.
1918         * doc/cpp.texi: Likewise.
1919         * doc/cppinternals.texi: Likewise.
1920         * doc/fragments.texi: Likewise.
1921         * doc/frontends.texi: Likewise.
1922         * doc/gcc.texi: Likewise.
1923         * doc/gty.texi: Likewise.
1924         * doc/hostconfig.texi: Likewise.
1925         * doc/implement-c.texi: Likewise.
1926         * doc/libgcc.texi: Likewise.
1927         * doc/loop.texi: Likewise.
1928         * doc/makefile.texi: Likewise.
1929         * doc/options.texi: Likewise.
1930         * doc/passes.texi: Likewise.
1931         * doc/rtl.texi: Likewise.
1932         * doc/sourcebuild.texi: Likewise.
1933         * doc/standards.texi: Likewise.
1934         * doc/tree-ssa.texi: Likewise.
1935         * doc/trouble.texi: Likewise.
1936
1937         * doc/extend.texi: Use @: or add comma where appropriate.
1938         * doc/invoke.texi: Likewise.
1939         * doc/tm.texi: Likewise.
1940
1941 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
1942
1943         PR target/34393
1944         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
1945         to a reg.
1946
1947 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
1948
1949         * doc/md.texi (clz, ctz): Add reference.
1950         * doc/rtl.texi (clz, ctz): Likewise.
1951
1952 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1953
1954         PR other/35148
1955         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
1956         srcdir.
1957
1958 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
1959
1960         * config/s390/s390.c (struct constant_pool): New field
1961         emit_pool_after added.
1962         (s390_mainpool_start): Set the emit_pool_after flag according
1963         to the section switch notes.
1964         (s390_mainpool_finish): Consider emit_pool_after when emitting
1965         the literal pool at the end of the function.
1966         (s390_chunkify_start): Force literal pool splits at section
1967         switch notes.
1968
1969 2008-02-13  Michael Matz  <matz@suse.de>
1970
1971         PR debug/35065
1972         * var-tracking.c (clobber_variable_part): Correctly traverse the
1973         list.
1974
1975 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1976
1977         PR 29673
1978         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
1979         Add -fdump-ipa-inline.
1980         * tree-dump.c (dump_files): Remove tree-inlined dump.
1981         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
1982
1983 2008-02-12  Richard Guenther  <rguenther@suse.de>
1984
1985         PR tree-optimization/35171
1986         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
1987         default defs.
1988
1989 2008-02-12  Richard Guenther  <rguenther@suse.de>
1990
1991         PR middle-end/35163
1992         * fold-const.c (fold_widened_comparison): Use get_unwidened in
1993         value-preserving mode.  Disallow final truncation.
1994
1995 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1996
1997         PR middle-end/35136
1998         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
1999         code from here to...
2000         (force_gimple_operand): ...here.
2001
2002 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2003
2004         PR c++/35144
2005         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2006         non-compatible pointers.
2007         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2008         different FIELD_DECLs, try harder by comparing field offsets, sizes
2009         and types.
2010
2011         PR inline-asm/35160
2012         * function.c (match_asm_constraints_1): Don't replace the same input
2013         multiple times.
2014
2015 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2016
2017         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2018         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2019         (expand_epilogue): Restore RAMPZ register.
2020         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2021
2022 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2023
2024         * config/i386/cygwin.asm: (__alloca): Correct calling
2025         convention and alignment.
2026         (__chkstk): Force 8 byte stack alignment.
2027
2028 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2029             Richard Guenther  <rguenther@suse.de>
2030
2031         PR tree-optimization/33992
2032         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2033         the zero we compare against.
2034
2035 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2036
2037         PR libfortran/35063
2038         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2039         to CloseHandle after unlocking to prevent accumulation of handle
2040         count.
2041
2042 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2043
2044         PR middle_end/34150
2045         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2046         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2047         and update LABEL_NUSES during and after reload.
2048
2049 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2050
2051         PR middle-end/34627
2052         * combine.c (simplify_if_then_else): Make sure the comparison is
2053         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2054
2055 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2056
2057         PR bootstrap/35051
2058         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2059         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2060         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2061         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2062         * tree.h (get_type_static_bounds): Likewise.
2063
2064 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2065
2066         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2067         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2068         Make -Wfoo language annotations match what the compiler outputs.
2069
2070 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2071
2072         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2073         intrinsics spu_convts, spu_convtu, spu_convtf.
2074         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2075
2076 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2077
2078         * doc/extend.texi (Function Attributes) <noinline>: Mention
2079         asm ("") as method to keep calls.
2080
2081 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2082
2083         PR other/32754
2084         * doc/options.texi (Options): Replace references to opts.sh with
2085         optc-gen.awk.
2086         * opts-common.c: Likewise.
2087         * optc-gen.awk: Likewise.
2088
2089 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2090
2091         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2092
2093 2008-02-07  Richard Henderson  <rth@redhat.com>
2094
2095         PR rtl-opt/33410
2096         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2097         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2098         funny mode.
2099
2100 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2101
2102         PR tree-optimization/35085
2103         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2104         for operand entry oe2 in addition to operand entry oe3 in order to
2105         expose more opportunities for vectorizer sum reduction.
2106
2107 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2108
2109         PR other/35107
2110         * Makefile.in (LIBS): Remove $(GMPLIBS).
2111         (cc1-dummy, cc1): Add $(GMPLIBS).
2112
2113 2008-02-06  Jan Hubicka  <jh@suse.cz>
2114
2115         PR target/23322
2116         * i386.md (moddf_integer): Do not produce partial memory stalls for
2117         targets where it hurts.
2118
2119 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         PR target/35083
2122         * optabs.c (expand_float): Do not check for decimal modes when
2123         expanding unsigned integer through signed conversion.
2124
2125 2008-02-06  Nick Clifton  <nickc@redhat.com>
2126
2127         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2128         inside the clobber with a match_operand and duplicated operand
2129         number in the constraint.
2130         (ineqbranchsi): Delete redundant comment.
2131
2132 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2133
2134         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2135         builtin_define ("__USE_INIT_FINI__").
2136         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2137         -msx multilibs.
2138         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2139
2140 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2141
2142         PR documentation/30330
2143         * doc/invoke.texi (C++ Dialect Options)
2144         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2145         For each warning option -Wfoo that allows -Wno-foo, ensure both
2146         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2147         entry of -Wswitch-default, index -Wnormalized= including the
2148         `=', and -Wlarger-than-@var{len} including @var{len}.
2149
2150 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2151
2152         * config/i386/i386.md (floatunssisf2): Use
2153         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2154         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2155         Macroize expander using MODEF mode iterator.
2156
2157 2008-02-05  Diego Novillo  <dnovillo@google.com>
2158
2159         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2160
2161         PR 33738
2162         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2163
2164 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2165
2166         PR other/35070
2167         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2168
2169 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2170
2171         PR target/35084
2172         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2173         to indicate if a message should be generated.
2174         (init_cumulative_args): Updated.
2175         (function_value_32): Likewise.
2176
2177 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2178
2179         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2180
2181 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         PR target/35083
2184         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2185         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2186
2187 2008-02-04  Diego Novillo  <dnovillo@google.com>
2188
2189         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2190
2191         PR 33738
2192         * tree-vrp.c (vrp_evaluate_conditional): With
2193         -Wtype-limits, emit a warning when comparing against a
2194         constant outside the natural range of OP0's type.
2195
2196 2008-02-04  Richard Guenther  <rguenther@suse.de>
2197
2198         PR middle-end/33631
2199         * expr.c (count_type_elements): Give for unions instead of
2200         guessing.
2201
2202 2008-02-04  Richard Guenther  <rguenther@suse.de>
2203
2204         PR middle-end/35043
2205         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2206         to TYPE_DOMAINs base type instead of using bitsizetype here.
2207
2208 2008-02-03  Jason Merrill  <jason@redhat.com>
2209
2210         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2211
2212 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2213
2214         PR other/29972
2215         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2216         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2217         (RS/6000 and PowerPC Options): Fix typos and markup.
2218         * doc/passes.texi (Tree-SSA passes): Likewise.
2219
2220 2008-02-02  Michael Matz  <matz@suse.de>
2221
2222         PR target/35045
2223         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2224         from record_last_reg_set_info.
2225         (record_last_reg_set_info): Take an RTX argument, iterate over all
2226         constituent hardregs.
2227         (record_last_set_info, record_opr_changes): Change calls to
2228         new signature or to record_last_reg_set_info_regno.
2229
2230 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2231
2232         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2233
2234 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2235
2236         PR rtl-optimization/34773
2237         * reg-notes.def (EQUAL): Mention significance of combination of
2238         REG_EQUAL and REG_RETVAL.
2239         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2240         insn that has a REG_RETVAL.
2241
2242 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2243
2244         PR bootstrap/33781
2245         * configure.ac (--enable-fixed-point): Disable unless explicitly
2246         requested on IRIX.
2247         * configure: Regenerate.
2248
2249 2008-02-01  Richard Guenther  <rguenther@suse.de>
2250
2251         PR other/35042
2252         * invoke.texi (-finline-limit): Remove no longer true parts
2253         of the documentation.  Note that there is no default value.
2254
2255 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2256             Mark Mitchell  <mark@codesourcery.com>
2257             Ben Elliston  <bje@au.ibm.com>
2258
2259         PR c/29326
2260         * doc/extend.texi (Other Builtins): Document.
2261
2262 2008-01-31  Tom Browder <tom.browder@gmail.com>
2263
2264         * doc/c-tree.texi (Types): Fix grammar.
2265         (Expression trees): Ditto.
2266         * doc/passes.texi (Tree-SSA passes): Ditto.
2267
2268         * doc/configterms.texi (Configure Terms): Fix typo.
2269         * doc/cpp.texi (Common Predefined Macros): Ditto.
2270         * doc/md.texi (Machine Constraints): Ditto.
2271
2272         * doc/makefile.texi (Makefile): Add comma.
2273
2274 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2275             Gerald Pfeifer  <gerald@pfeifer.com>
2276
2277         * doc/sourcebuild.texi (Front End): Remove references to CVS
2278         and CVSROOT/modules.
2279         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2280         (Back End): Remove reference to CVS.
2281
2282 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2283
2284         PR target/34900
2285         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2286         comment from...
2287         (mips16_gp_pseudo_reg): ...here.
2288         * config/mips/mips.md (load_const_gp): Replace with...
2289         (load_const_gp_<mode>): ...this :P-based insn.
2290
2291 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2292
2293         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2294         options. Minor fixes.
2295         (-std): Move reference to standards closer to where language
2296         standards are first mentioned.
2297
2298 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2299
2300         PR rtl-optimization/34995
2301         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2302         parameter and return a bool.  If the rtx parameter is nonnull,
2303         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2304         (find_reloads): Update call accordingly.  Pass the new operand
2305         if it needed no address reloads, otherwise pass null.
2306
2307 2008-01-30  Richard Henderson  <rth@redhat.com>
2308
2309         PR c/34993
2310         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2311         for unbounded arrays.
2312
2313 2008-01-30  Silvius Rus  <rus@google.com>
2314
2315         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2316
2317 2008-01-30  Jan Hubicka  <jh@suse.cz>
2318
2319         PR target/34982
2320         * i386.c (init_cumulative_args): Use real function declaration when
2321         calling locally.
2322
2323 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2324
2325         PR rtl-optimization/34998
2326         * global.c (build_insn_chain): Treat non-subreg_lowpart
2327         SUBREGs of pseudos as clobbering all the words covered by the
2328         SUBREG, not just all the bytes.
2329         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2330         original df_ref rather than an extract parameter.
2331         (global_conflicts): Update call accordingly.
2332
2333 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2334
2335         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2336         the overflow check to make it easier to read.
2337         (__fixtfdi): Change the type of the ll member in union
2338         long_double to UDItype_x.
2339
2340 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2341
2342         PR middle-end/34969
2343         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2344         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2345         * tree-inline.c (fold_marked_statements): Call
2346         cgraph_update_edges_for_call_stmt if folding a call statement.
2347         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2348         debug_generic_stmt calls, reset it back afterwards.
2349
2350         PR c/35017
2351         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2352         static decls.
2353         * c-typeck.c (build_external_ref): Don't pedwarn about
2354         static vars in current function's scope.
2355
2356 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2357
2358         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2359
2360 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2361
2362         PR c/35002
2363         * ipa-struct-reorg.c: Fix spelling.
2364         * params.def: Ditto.
2365
2366 2008-01-29  Richard Guenther  <rguenther@suse.de>
2367
2368         PR middle-end/35006
2369         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2370         field.
2371         * tree-inline.c (remap_type): Increment remapping_type_depth
2372         around remapping types.
2373         (copy_body_r): Only add referenced variables if they are referenced
2374         from code, not types.
2375
2376 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2377
2378         PR c++/34055
2379         PR c++/34103
2380         PR c++/34219
2381         PR c++/34606
2382         PR c++/34753
2383         PR c++/34754
2384         PR c++/34755
2385         PR c++/34919
2386         PR c++/34961
2387         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2388         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2389
2390 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2391
2392         PR target/34412
2393         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2394         pointer for tiny stack.
2395
2396 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2397
2398         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2399
2400 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2401
2402         * config/vx-common.h: Fix typo in comment.
2403
2404 2008-01-28  Ian Lance Taylor  <iant@google.com>
2405
2406         PR c++/34862
2407         PR c++/33407
2408         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2409         coalesce pointers if they have different DECL_NO_TBAA_P values.
2410         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2411         between variables with different DECL_NO_TBAA_P values.
2412
2413 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2414
2415         PR 31535
2416         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2417         are not legitimate small data references on SPE targets.
2418
2419 2008-01-28  David Daney  <ddaney@avtrex.com>
2420
2421         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2422
2423 2008-01-28  David Daney  <ddaney@avtrex.com>
2424
2425         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2426
2427 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2428
2429         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2430         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2431         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2432         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2433         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2434         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2435         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2436         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2437
2438 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2439
2440         * basic-block.h (condjump_equiv_p): Fix comment.
2441
2442 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2443
2444         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2445         print_generic_stmt_indented): Fix comment.
2446
2447 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2448
2449         * configure.ac (__stack_chk_fail): Add detecion for availability
2450         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2451         * configure: Regenerate.
2452
2453 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2454
2455         PR middle-end/34688
2456         * final.c (output_addr_const): Handle TRUNCATE.
2457
2458 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2459
2460         PR target/34711
2461         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2462         (zero_cost, infinite_cost): New constants.
2463         (struct cost_pair): Change type of cost to comp_cost.
2464         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2465         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2466         New functions.
2467         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2468         split_address_cost, ptr_difference_cost, difference_cost,
2469         get_computation_cost_at, get_computation_cost,
2470         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2471         determine_use_iv_cost_condition, determine_use_iv_costs,
2472         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2473         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2474         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2475         Change type of cost to comp_cost.
2476         (determine_iv_cost): Increase cost of non-original ivs, instead
2477         of decreasing the cost of original ones.
2478         (get_address_cost): Indicate the complexity of the addressing mode
2479         in comp_cost.
2480         (try_add_cand_for): Prefer using ivs not specific to some object.
2481         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2482
2483 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2484             Janis Johnson  <janis187@us.ibm.com>
2485
2486         PR target/34814
2487         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2488         (TARGET_INSTANTIATE_DECLS): Likewise.
2489         * target.h (expand_to_rtl_hook): New target hook.
2490         (instantiate_decls): Likewise.
2491         * function.c (instantiate_decl): Make non-static.  Rename to...
2492         (instantiate_decl_rtl): ... this.
2493         (instantiate_expr): Use instantiate_decl_rtl.
2494         (instantiate_decls_1): Likewise.
2495         (instantiate_decls): Likewise.
2496         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2497         * function.h (instantiate_decl_rtl): Add prototype.
2498         * cfgexpand.c (target.h): New include.
2499         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2500         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2501         (TARGET_INSTANTIATE_DECLS): Likewise.
2502         (TARGET_INITIALIZER): New target hooks added.
2503         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2504         New prototype.
2505         * config/rs6000/rs6000.c (tree-flow.h): New include.
2506         (machine_function): Add sdmode_stack_slot field.
2507         (rs6000_alloc_sdmode_stack_slot): New function.
2508         (rs6000_instantiate_decls): Likewise.
2509         (rs6000_secondary_memory_needed_rtx): Likewise.
2510         (rs6000_check_sdmode): Likewise.
2511         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2512         (TARGET_INSTANTIATE_DECLS): Likewise.
2513         (rs6000_hard_regno_mode_ok): Allow SDmode.
2514         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2515         (rs6000_emit_move): Handle SDmode.
2516         (function_arg_advance): Likewise.
2517         (function_arg): Likewise.
2518         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2519         SDmode var args for 32-bit compiles.
2520         (rs6000_secondary_reload_class): Handle SDmode.
2521         (rs6000_output_function_epilogue): Likewise.
2522         (rs6000_function_value): Simplify if statement.
2523         (rs6000_libcall_value): Likewise.
2524         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2525         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2526         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2527         (movsd_hardfloat): New define_insn.
2528         (movsd_softfloat): Likewise.
2529         (movsd_store): Likewise.
2530         (movsd_load): Likewise.
2531         (extendsddd2): Likewise.
2532         (extendsdtd2): Likewise.
2533         (truncddsd2): Likewise.
2534         (movdd_hardfloat64): Fixup comment.
2535         (UNSPEC_MOVSD_LOAD): New constant.
2536         (UNSPEC_MOVSD_STORE): Likewise.
2537
2538 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
2539
2540         PR c++/34965
2541         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2542         TRUTH_XOR_EXPR.
2543         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2544         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2545         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2546         and TRUTH_XOR_EXPR.
2547
2548 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
2549
2550         PR target/34794
2551         * config.gcc: Separate AIX 5.3 from AIX 6.1.
2552         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2553         __LONGDOUBLE128 too.
2554         * config/rs6000/aix61.h: New file.
2555
2556 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2557
2558         PR rtl-optimization/34959
2559         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2560         popcount and parity rtxes the same mode as their operand.
2561         Truncate or extend the result to the return value's mode
2562         if necessary.
2563
2564 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
2565
2566         PR target/34981
2567         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2568         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2569         to GOT_VERSION_REGNUM.
2570         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2571         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2572         * config/mips/mips.c (mips_emit_call_insn): New function.
2573         (mips_call_tls_get_addr): Call mips_expand_call directly.
2574         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2575         emit_call_insn.
2576         (mips16_build_call_stub): Likewise.  Return the call insn or null.
2577         (mips_expand_call): Update the call to mips16_build_call_stub
2578         accordingly and a remove redundant condition.  Assert that MIPS16
2579         stubs do not use lazy binding.  Use mips_emit_call_insn and return
2580         the call insn.
2581         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2582         TARGET_USE_GOT.
2583         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2584         (mips_avoid_hazard): Remove hazard_set handling.
2585         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2586         (UNSPEC_RESTORE_GP): ...this.
2587         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2588         (FAKE_CALL_REGNO): Rename to...
2589         (GOT_VERSION_REGNUM): ...this.
2590         (type): Add "ghost" value.  Add an associated insn reservation.
2591         (hazard_set): Remove.
2592         (exception_receiver): Rename to...
2593         (restore_gp): ...this and update the unspec identifier accordingly.
2594         (exception_receiver, nonlocal_got_receiver): New expanders.
2595         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
2596         FAKE_CALL_REGNO.  Remove hazard_set attribute.
2597         (set_got_version, update_got_version): New patterns.
2598
2599 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
2600
2601         PR target/34970
2602         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2603
2604 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2605
2606         PR other/31955
2607         * doc/install.texi2html: Generate gcc-vers.texi.
2608
2609 2008-01-25  DJ Delorie  <dj@redhat.com>
2610
2611         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2612
2613 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
2614
2615         * config/c4x: Remove directory.
2616         * config.gcc (crx-*, mt-*): Mark obsolete.
2617         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2618         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2619         sh-*-rtemscoff*): Remove cases.
2620         * defaults.h (C4X_FLOAT_FORMAT): Remove.
2621         * real.c (encode_c4x_single, decode_c4x_single,
2622         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2623         c4x_extended_format): Remove.
2624         * real.h (c4x_single_format, c4x_extended_format): Remove.
2625         * doc/extend.texi (interrupt, naked): Remove mention of attributes
2626         on C4x.
2627         (Pragmas): Remove comment about c4x pragmas.
2628         * doc/install.texi (c4x): Remove target-specific instructions.
2629         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2630         * doc/md.texi (Machine Constraints): Remove C4x documentation.
2631         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
2632         refer to C4x source files as examples.
2633         (C4X_FLOAT_FORMAT): Remove documentation.
2634
2635 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
2636
2637         * config/bfin/bfin.c (override_options): Reorder tests so that
2638         flag_pic gets enabled for -msep-data.
2639
2640 2008-01-25  Richard Guenther  <rguenther@suse.de>
2641
2642         PR middle-end/32244
2643         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
2644         to its bitfield precision if required.
2645
2646 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2647
2648         PR middle-end/33880
2649         * tree-nested.c (walk_omp_for): New function.
2650         (convert_nonlocal_reference, convert_local_reference): Call
2651         walk_omp_for on OMP_FOR.
2652         (convert_call_expr): Call walk_body on OMP_FOR's
2653         OMP_FOR_PRE_INIT_BODY.
2654
2655 2008-01-25  Richard Guenther  <rguenther@suse.de>
2656
2657         PR tree-optimization/34966
2658         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
2659         default defs and PHI_NODEs we have to insert after the
2660         defining statement.
2661
2662 2008-01-24  Nick Clifton  <nickc@redhat.com>
2663
2664         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
2665         Provide a default definition.
2666         (LIBGCC2_UNITS_PER_WORD): Likewise.
2667
2668         * config/stormy16/stormy16.c: Include df.h for the prototype
2669         for df_regs_ever_live_p.
2670         (xstormy16_expand_builtin_va_start): Convert the stack offset
2671         into a component_ref and then use POINTER_PLUS_EXPR to add it
2672         to the incoming_virtual_args_rtx.
2673         (xstormy16_gimplify_va_arg_expr): Rename to
2674         xstormy16_gimplify_va_arg_expr.
2675         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
2676         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
2677         xstormy16_gimplify_va_arg_expr.
2678         Fix up some formatting issues.
2679
2680         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
2681         Move to predicates.md.
2682         (xs_hi_general_operand): Likewise.
2683         (xs_hi_nonmemory_operand): Likewise.
2684         * config/stormy16/predicates.md:
2685         (xstormy16_carry_plus_operand): New predicate.
2686         (xs_hi_general_operand): New predicate.
2687         (xs_hi_nonmemory_operand): New predicate.
2688         * config/stormy16/stormy16-protos.h:
2689         (xstormy16_carry_plus_operand): Delete prototype.
2690         (xs_hi_general_operand): Likewise.
2691         (xs_hi_nonmemory_operand): Likewise.
2692
2693         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
2694         modifiers as they are no longer needed and they can trigger
2695         reload spill failures.
2696
2697         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
2698         with a match_operand in order to help reload.
2699
2700         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
2701         constraint with 'e' for the 8th alternative as this version of
2702         the mov.w instruction only accepts the lower 8 registers.
2703
2704 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
2705
2706         PR target/34856
2707         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
2708         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
2709         vector elements.
2710
2711 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
2712
2713         PR middle-end/33333
2714         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
2715
2716 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2717
2718         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
2719         New functions.
2720         (remove_structure): Update allocations list before removing structure.
2721
2722 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
2723
2724         * ipa-struct-reorg.c (is_safe_cond_expr,
2725         create_new_stmts_for_cond_expr): Use integer_zerop function,
2726         that recognize not only zero-pointer, but zero-integer too.
2727
2728 2008-01-25  Ben Elliston  <bje@au.ibm.com>
2729
2730         PR other/22232
2731         * fixproto: Escape "." in sed expression that strips leading "./".
2732
2733 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2734
2735         PR driver/34904
2736         * gcc.c (SWITCH_OK): Removed.
2737         (SWITCH_LIVE): Changed to bit.
2738         (SWITCH_FALSE): Likewise.
2739         (SWITCH_IGNORE): Likewise.
2740         (switchstr): Change live_cond to unsigned int.
2741         (process_command): Replace SWITCH_OK with 0.
2742         (do_self_spec): Likewise.
2743         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
2744         (give_switch): Likewise.
2745         (used_arg): Likewise.
2746         (do_spec_1): Set the SWITCH_IGNORE bit.
2747         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
2748         bits.  Set the SWITCH_LIVE bit.
2749
2750 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2751
2752         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
2753
2754 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
2755
2756         PR tree-optimization/34472
2757         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
2758         parameter to a "bool *" and set *DATA to false if there is
2759         an unsafe access.  Do not delete the structure here.
2760         (check_cond_exprs): Delete it here instead.
2761         (check_cond_exprs, exclude_cold_structs): Do not increase
2762         I when removing a structure.
2763
2764 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
2765
2766         PR target/34856
2767         * config/i386/i386.c (ix86_expand_vector_init): Consider only
2768         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
2769
2770 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
2771
2772         PR middle-end/34934
2773         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
2774         a fixed vector for stack.
2775
2776 2008-01-24  Ben Elliston  <bje@au.ibm.com>
2777
2778         PR c++/25701
2779         * doc/gcc.texi (Software development): Add a direntry for g++.
2780
2781 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
2782
2783         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
2784         stale and straggling -fforce-addr comments above.
2785
2786         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
2787         define.
2788         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
2789         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
2790
2791 2008-01-23  Michael Matz  <matz@suse.de>
2792
2793         PR debug/34895
2794         * dwarf2out.c (force_type_die): Use modified_type_die instead of
2795         gen_type_die.
2796
2797 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2798
2799         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
2800         malloc result type.
2801
2802 2008-01-23 Anatoly Sokolov <aesok@post.ru>
2803
2804         * config/avr/avr.c (avr_current_arch): New variable.
2805         (avr_arch_types): Add 'avr31' and 'avr51' entries.
2806         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
2807         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
2808         (avr_override_options): Init 'avr_current_arch'.
2809         (base_arch_s): Move from here...
2810         * config/avr/avr.h (base_arch_s): ... here. Add new members
2811         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
2812         'mega' to 'have_jmp_call'.
2813         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
2814         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
2815         macros.
2816         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
2817         architectures.
2818         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
2819         MULTILIB_MATCHES): (Ditto.).
2820
2821 2008-01-23  Richard Guenther  <rguenther@suse.de>
2822
2823         PR middle-end/31529
2824         * cgraphunit.c (cgraph_reset_node): Always mark the node
2825         not reachable if it is not queued already.
2826
2827 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
2828
2829         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
2830         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
2831         (cputype_selected): New static variable.
2832         (bfin_handle_option): Set it if -mcpu is used.
2833         (override_option): Select default set of workarounds if no cpu type
2834         selected on the command line.
2835         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
2836
2837         From  Michael Frysinger  <michael.frysinger@analog.com>
2838         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
2839         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
2840
2841         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
2842         for bf547, bf523, bf524, and bf526.
2843         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
2844         bf526.
2845         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2846         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
2847         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
2848         __ADSPBF547__ and __ADSPBF54x__ for bf547.
2849         * doc/invoke.texi (Blackfin Options): Document that
2850         -mcpu now accept bf547, bf523, bf524, and bf526.
2851
2852 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2853
2854         PR rtl-optimization/34628
2855         * combine.c (try_combine): Stop and undo after the first combination
2856         if an autoincrement side-effect on the first insn has effectively
2857         been lost.
2858
2859 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
2860
2861         PR target/34529
2862         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2863         Offset addresses are not valid for Altivec or paired float modes.
2864
2865 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2866
2867         PR c++/34607
2868         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
2869         if DECL_INITIAL (decl) is error_mark_node.
2870
2871         PR c++/34914
2872         * c-common.c (handle_vector_size_attribute): Only allow
2873         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
2874         the same way as pointer, array etc. types.
2875         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
2876
2877         PR c++/34917
2878         * tree.c (build_type_attribute_qual_variant): Call
2879         build_qualified_type if attributes are equal, but quals are not.
2880
2881 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2882
2883         PR 32102
2884         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
2885         * flags.h (warn_strict_aliasing): Remove.
2886         (warn_strict_overflow): Remove.
2887         * opts.c (warn_strict_aliasing): Remove.
2888         (warn_strict_overflow): Remove.
2889         * c-opts.c (c_common_handle_option): -Wall only sets
2890         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
2891         (c_common_post_options): Give default values to -Wstrict-aliasing
2892         and -Wstrict-overflow if they are uninitialized.
2893         * common.opt (Wstrict-aliasing): Specify Var and Init.
2894         (Wstrict-overflow): Likewise.
2895
2896 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
2897
2898         PR rtl-optimization/26854
2899         PR rtl-optimization/34400
2900         PR rtl-optimization/34884
2901         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
2902         DF_RD->gen.
2903         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
2904         (df_rd_bb_info.expanded_lr_out): Deleted
2905         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
2906         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
2907         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
2908         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
2909         Removed code to allocate, initialize or free expanded_lr_out.
2910         (df_rd_bb_local_compute_process_def): Restructured to make more
2911         understandable.
2912         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
2913         sets if the sets are being trimmed.
2914
2915 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2916
2917         PR bootstrap/32287
2918         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
2919         (as_vers): Likewise.
2920         * configure: Regenerated.
2921
2922 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2923
2924         PR middle-end/33092
2925         * tree-pass.h (pass_build_alias): New pass.
2926         * tree-ssa-alias.c (gate_build_alias): New.
2927         (pass_build_alias): New.
2928         * passes.c (init_optimization_passes): Add pass_build_alias after
2929         pass_create_structure_vars.
2930
2931 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
2932
2933         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
2934         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
2935         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
2936         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
2937         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
2938         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
2939         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
2940         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
2941         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
2942         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
2943         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
2944         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
2945         * config/s390/s390.md (FP_ALL): New mode iterator.
2946         (_d): New mode attribute.
2947         ("*signbit<mode>2>"): Changed mode of first operand.
2948         ("isinf<mode>2"): Changed mode of first operand.
2949         ("*TDC_insn"): Adaptation for DFP modes.
2950
2951 2008-01-22  Ben Elliston  <bje@au.ibm.com>
2952
2953         * tree.c (check_qualified_type): Improve function description.
2954
2955 2008-01-21  Jason Merrill  <jason@redhat.com>
2956
2957         PR c++/34196
2958         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
2959         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
2960         if it is set.
2961
2962 2008-01-21  DJ Delorie  <dj@redhat.com>
2963
2964         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
2965         return zero.
2966
2967 2008-01-21  Richard Guenther  <rguenther@suse.de>
2968
2969         PR middle-end/34856
2970         * tree-cfg.c (verify_expr): Allow all invariant expressions
2971         instead of just constant class ones as reference argument.
2972         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
2973         like any other constant.
2974         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
2975
2976 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2977
2978         * regmove.c (fixup_match_1): Update call crossed frequencies.
2979
2980 2008-01-21  Richard Guenther  <rguenther@suse.de>
2981
2982         PR c/34885
2983         * tree-inline.c (setup_one_parameter): Deal with mismatched
2984         types using a VIEW_CONVERT_EXPR.
2985
2986 2008-01-21  Alon Dayan  <alond@il.ibm.com>
2987             Olga Golovanevsky  <olga@il.ibm.com>
2988
2989         PR tree-optimization/34701
2990         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
2991         when the structure size is not a power of 2.
2992
2993 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
2994
2995         * doc/install.texi: Add doc for --enable-checking=df.
2996
2997 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2998
2999         PR rtl-optimization/34808
3000         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3001
3002 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3003
3004         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3005         input.
3006
3007 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3008
3009         PR rtl-optimization/26854
3010         PR rtl-optimization/34400
3011         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3012         DF_RD->gen.
3013         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3014         (df_rd_bb_info.expanded_lr_out): New.
3015         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3016         * loop_iv.c (iv_analysis_loop_init): Ditto.
3017         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3018         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3019         Added code to allocate, initialize or free expanded_lr_out.
3020         (df_rd_bb_local_compute_process_def): Restructured to make
3021         more understandable.
3022         (df_rd_confluence_n): Add code to do nothing with fake edges and
3023         code to no apply invalidate_by_call sets if the sets are being trimmed.
3024         (df_lr_local_finalize): Renamed to df_lr_finalize.
3025         (df_live_local_finalize): Renamed to df_live_finalize.
3026
3027 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3028
3029         PR target/34831
3030         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3031         deciding whether to use reciprocal instructions.
3032
3033 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3036         dwarf2out_note_section_used if cold_text_section is NULL.
3037
3038 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3039
3040         PR gcov-profile/34610
3041         * tree-cfg.c (make_edges): Mark both outgoing edges from
3042         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3043         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3044         from OMP_FOR and OMP_CONTINUE outgoing edges.
3045
3046         * tree-profile.c (tree_profiling): Return early if
3047         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3048         at the end.
3049         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3050         from cfun to child_cfun.
3051         * function.h (struct function): Add after_tree_profile bit.
3052
3053 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3054
3055         * config/avr/avr.S (_exit): Disable interrupt.
3056
3057 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3058             Steven Bosscher  <stevenb.gcc@gmail.com>
3059
3060         PR rtl-optimization/26854
3061         PR rtl-optimization/34400
3062         * df-problems.c (df_live_scratch): New scratch bitmap.
3063         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3064         (df_live_reset): Clear the proper bitmaps.
3065         (df_live_bb_local_compute): Only process the artificial defs once
3066         since the order is not important.
3067         (df_live_init): Init the df_live sets only with the variables
3068         found live by df_lr.
3069         (df_live_transfer_function): Use the df_lr sets to prune the
3070         df_live sets as they are being computed.
3071         (df_live_free): Free df_live_scratch.
3072
3073 2008-01-18  Ian Lance Taylor  <iant@google.com>
3074
3075         * common.opt: Add fmerge-debug-strings.
3076         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3077         flag_merge_debug_strings rather than flag_merge_constants.
3078         * doc/invoke.texi (Option Summary): Mention
3079         -fmerge-debug-strings.
3080         (Debugging Options): Document -fmerge-debug-strings.
3081
3082 2008-01-18  Ian Lance Taylor  <iant@google.com>
3083
3084         PR c++/33407
3085         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3086         (struct tree_function_decl): Add new field operator_new_flag.
3087         * tree-inline.c (expand_call_inline): When inlining a call to
3088         operator new, force the return value to go into a variable, and
3089         set DECL_NO_TBAA_P on that variable.
3090         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3091
3092 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3093
3094         PR debug/34484
3095         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3096         DWARF2_DEBUGGING_INFO.
3097         (dwarf2out_note_section_used): Ditto.  Add prototype.
3098         (have_multiple_function_sections, text_section_used,
3099         cold_text_section_used, *cold_text_sections): Move declarations
3100         before their uses.
3101
3102 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3103
3104         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3105         field and add signal_ra.
3106         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3107         assignments to frame state pc.  Move end of stack check after
3108         MD_FALLBACK_FRAME_STATE_FOR.
3109         (uw_update_context_1): Use frame state signal_regs if set, instead
3110         of checking signal_frame flag.
3111         (uw_update_context): Use frame state signal_ra if set.
3112         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3113         * config/xtensa/linux-unwind.h: New file.
3114
3115 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3116
3117         * modulo-sched.c (get_sched_window): Fix comment typo.
3118
3119 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3120
3121         PR tree-optimization/34648
3122         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3123
3124 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3125
3126         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3127         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3128
3129 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3130
3131         PR rtl-optimization/34400
3132         * df-core.c (df_worklist_dataflow_overeager,
3133         df_worklist_dataflow_doublequeue): New functions.
3134         (df_worklist_dataflow): Two different worklist solvers.
3135         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3136         New param.
3137
3138 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         PR testsuite/34821
3141         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3142         and ftree-parallelize-loops.
3143
3144 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3145
3146         PR rtl-optimization/34826
3147         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3148
3149 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3150
3151         * global.c (find_reg): Mark the eh regs as used if necessary.
3152         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3153         * ra.h (struct allocno): no_eh_reg field added.  Changed
3154         no_stack_reg type to bitfield.
3155
3156 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3157
3158         * tree.c (substitute_in_expr): Add missing 'break'.
3159
3160 2008-01-17  Richard Guenther  <rguenther@suse.de>
3161
3162         PR tree-optimization/34825
3163         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3164         x / x as division to handle.
3165
3166 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3167
3168         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3169         "-pthread" is specified.
3170         * pa-hpux11.h (LIB_SPEC): Likewise.
3171
3172 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3173             Peter Bergner  <bergner@vnet.ibm.com>
3174
3175         PR rtl-optimization/33796
3176         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3177
3178 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3179
3180         PR libgfortran/34699
3181         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3182         static links.
3183         * pa-hpux10.h (LINK_SPEC): Likewise.
3184         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3185
3186 2008-01-16  Richard Guenther  <rguenther@suse.de>
3187
3188         PR middle-end/32628
3189         * fold-const.c (fold_convert_const_int_from_int): Do not
3190         set overflow if that occured only because of a sign extension
3191         change when converting from/to a sizetype with the same
3192         precision and signedness.
3193
3194 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3195
3196         PR debug/34249
3197         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3198         location address to the correct place.  Update copyright year.
3199
3200 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3203         no dependences in the dependence_relations vector.
3204
3205 2008-01-16  Jan Hubicka  <jh@suse.cz>
3206
3207         PR rtl-optimization/31396
3208         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3209         * cfg.c (dump_reg_info): Print it.
3210         * regs.h (struct reg_info_t): add freq_calls_crossed.
3211         (REG_FREQ_CALLS_CROSSED): New macro.
3212         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3213         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3214         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3215         regmove_optimize): Update call crossed frequencies.
3216         * local-alloc.c (struct qty): Add freq_calls_crossed.
3217         (alloc_qty): Copute freq_calls_crossed.
3218         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3219         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3220         * ra.h (struct allocno): Add freq_calls_crossed.
3221
3222 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3225         libgomp when compiling with ftree-parallelize-loops.
3226         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3227
3228 2008-01-16  Richard Guenther  <rguenther@suse.de>
3229
3230         PR tree-optimization/34769
3231         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3232         * tree.c (int_cst_value): Instead make this function more
3233         permissive in what it accepts as valid input.  Document this
3234         function always sign-extends the value.
3235
3236 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3237             Richard Guenther  <rguenther@suse.de>
3238
3239         PR c/34668
3240         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3241         (gimple_fold_indirect_ref_rhs): ... this.
3242         (gimple_fold_indirect_ref): New function with foldings
3243         that preserve lvalueness.
3244         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3245         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3246         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3247         to fold an INDIRECT_REF, fall back to the old use of
3248         fold_indirect_ref_1.
3249
3250 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * tree-data-ref.c (subscript_dependence_tester_1): Call
3253         free_conflict_function.
3254         (compute_self_dependence): Same.
3255
3256 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3257
3258         PR debug/34249
3259         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3260         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3261         function global.
3262         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3263         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3264         for DWARF2_UNWIND_INFO targets.
3265
3266 2008-01-16  Richard Guenther  <rguenther@suse.de>
3267
3268         PR c/34768
3269         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3270         type qualifiers for function types.
3271
3272 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3273
3274         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3275         loop_iterator li from previous commit.
3276
3277 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3280
3281 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3284         (parallelize_loops): Don't parallelize irreducible components.
3285
3286 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3287
3288         PR c++/24924
3289         * c-opts (c_common_post_options): Do not enable CPP
3290         flag_pedantic_errors by default.
3291
3292 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3293
3294         PR rtl-optimization/31944
3295         * cse.c (remove_pseudo_from_table): New function.
3296         (merge_equiv_classes): Use above function to remove pseudo-registers.
3297         (invalidate): Likewise.
3298
3299 2008-01-13  Richard Guenther  <rguenther@suse.de>
3300
3301         PR middle-end/34601
3302         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3303         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3304
3305 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3306
3307         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3308         validate_change to unshare the source of the PC set.
3309
3310 2008-01-12  Jan Hubicka  <jh@suse.cz>
3311
3312         PR middle-end/32135
3313         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3314         references above array bounds.  This might trigger bounds checks for
3315         pointers to arrays.
3316
3317 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3320         new_replaceable_dependencies.
3321
3322 2008-01-12  Doug Kwan  <dougkwan@google.com>
3323
3324         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3325         instead of OPT_Wreturn_type in warning due to ignored return type
3326         qualifiers.
3327         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3328         options included in -Wextra.
3329         * c.opt: New option -Wignored_qualifiers.
3330         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3331         -Wignore_qualifiers.
3332         (-Wignored-qualifiers): Document.
3333         (-Wreturn-type): Remove description of functionality now handled
3334         by -Wignored-qualifiers.
3335
3336 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3337
3338         PR ada/33788
3339         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3340         NOP_EXPR if it is between integral types with the same precision.
3341
3342 2008-01-12  Jan Hubicka  <jh@suse.cz>
3343
3344         PR other/28023
3345         * invoke.texi (max-inline-recursive-depth): Fix default value.
3346
3347 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3348
3349         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3350         correct type.
3351
3352 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3353
3354         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3355
3356 2008-01-11  James E. Wilson  <wilson@specifix.com>
3357
3358         PR target/26015
3359         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3360
3361 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3362
3363         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3364         save/restore frame pointer register and don't use 'call-prologues'
3365         optimization in function with "OS_task" attribute.
3366
3367 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3368
3369         PR middle-end/31309
3370         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3371         when copying to memory.
3372
3373 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3374
3375         PR rtl-optimization/30905
3376         * cfgcleanup.c: Include dce.h
3377         (crossjumps_occured): New global variable.
3378         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3379         If something changed, set crossjumps_occured to true.
3380         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3381         Don't add/remove fake edges to exit here...
3382         (cleanup_cfg): ...but do it here, when crossjumping.
3383         Run a fast DCE when successful crossjumps occured in the latest
3384         iteration of try_optimize_cfg.
3385
3386 2008-01-11  Richard Guenther  <rguenther@suse.de>
3387
3388         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3389         (struct vn_unary_op_s): Likewise.
3390         (vn_reference_insert): Free old reference on hash collision.
3391
3392 2008-01-10  Raksit Ashok  <raksit@google.com>
3393
3394         PR rtl-optimization/27971
3395         * combine.c (find_split_point): Split PLUS expressions which are
3396         inside a MEM rtx, and whose first operand is complex.
3397
3398 2008-01-10  DJ Delorie  <dj@redhat.com>
3399
3400         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3401         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3402         (m32c_hard_regno_ok): Call the underlying function.
3403
3404 2008-01-10  Richard Guenther  <rguenther@suse.de>
3405
3406         PR middle-end/34683
3407         * tree-cfg.c (tree_merge_blocks): Do not go through the
3408         full-blown folding and stmt updating path if we just deal
3409         with virtual operands.
3410         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3411         test for abnormal SSA_NAMEs.
3412
3413 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3414
3415         PR middle-end/34641
3416         * reload.c (push_reload): Add assertions.  All constants from
3417         reg_equiv_constant should have been used for replacing the respective
3418         pseudo earlier.
3419         (find_reloads_address): Invoke find_reloads_address_part for
3420         constant taken from the reg_equiv_constant array.
3421
3422 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3423
3424         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3425         field (valnum) the first in the struct.  Replace bools with
3426         unit bit fields.
3427
3428 2008-01-10  Richard Guenther  <rguenther@suse.de>
3429
3430         PR tree-optimization/34651
3431         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3432         types and ordering for masking and converting.
3433
3434 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         PR tree-optimization/34017
3437         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3438         also for PHI_NODE expressions.
3439
3440 2008-01-09  Jan Hubicka  <jh@suse.cz>
3441
3442         PR tree-optimization/34708
3443         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3444         based on number of case labels.
3445         (init_inline_once): Remove switch_cost.
3446         * tree-inline.h (eni_weights_d): Remove switch_cost.
3447
3448 2008-01-09  Richard Guenther  <rguenther@suse.de>
3449         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3450
3451         PR middle-end/30132
3452         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3453         temporary if an rvalue is ok or an lvalue is not required.
3454
3455 2008-01-09  Richard Guenther  <rguenther@suse.de>
3456
3457         PR middle-end/34458
3458         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3459         adjust return type.
3460
3461 2008-01-09  Richard Guenther  <rguenther@suse.de>
3462
3463         PR middle-end/34679
3464         * tree.c (host_integerp): Check for sizetype only if the
3465         type is an integer type.
3466
3467 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3468
3469         PR debug/26364
3470         * opts.c (decode_options): Disable inlining of functions called
3471         once if not in unit-at-a-time mode.
3472
3473 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3474
3475         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3476
3477 2008-01-08  Richard Guenther  <rguenther@suse.de>
3478
3479         PR middle-end/31863
3480         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3481         out early if the result will be unused.
3482
3483 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3484
3485         PR target/34709
3486         Revert:
3487
3488         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3489         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3490         for TARGET_RECIP.
3491
3492 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3493
3494         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3495         for vectorization tuned.
3496
3497 2008-01-08  Richard Guenther  <rguenther@suse.de>
3498
3499         PR tree-optimization/34683
3500         * tree-ssa-operands.c (operand_build_cmp): Export.
3501         * tree-ssa-operands.h (operand_build_cmp): Declare.
3502         * tree-vn.c (vuses_compare): Remove.
3503         (sort_vuses): Use operand_build_cmp.
3504         (sort_vuses_heap): Likewise.
3505         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3506         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3507         (vdefs_to_vec): Do not sort already sorted VDEFs.
3508
3509 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3510
3511         PR middle-end/34694
3512         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3513
3514 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3515
3516         PR target/34702
3517         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3518         limitations of reciprocal sequences on x86 targets.
3519
3520 2008-01-08  Richard Guenther  <rguenther@suse.de>
3521
3522         PR tree-optimization/34683
3523         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3524
3525 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
3526
3527         PR target/34622
3528         * config/darwin.c (darwin_mergeable_string_section): Don't use
3529         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3530
3531 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
3532
3533         PR target/34682
3534         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3535         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
3536         predicates of op0 and op1 to register_operand.
3537         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
3538         expander using X87MODEF mode iterator.  Change predicates of
3539         op0 and op1 to register_operand.
3540         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3541         corresponding patterns and macroize using MODEF macro.  Change
3542         predicates of op0 and op1 to register_operand and remove
3543         "m" constraint. Disparage "r" alternative with "!".
3544         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3545         macroize using X87MODEF macro.  Change predicates of op0 and op1
3546         to register_operand and remove "m" constraint.  Disparage "r"
3547         alternative with "!".
3548         (absneg splitter with memory operands): Remove.
3549         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3550         patterns and macroize using X87MODEF mode iterator.
3551         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3552         Change predicate of op1 to register_operand.
3553         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3554         for memory operands.
3555
3556 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
3557
3558         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3559
3560 2008-01-07  Richard Guenther  <rguenther@suse.de>
3561
3562         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3563         fields.
3564
3565 2008-01-07  Richard Guenther  <rguenther@suse.de>
3566
3567         PR tree-optimization/34683
3568         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3569         VOPs of the needed size to save memory.  Use VEC_quick_push
3570         to save compile-time.
3571         (vdefs_to_vec): Likewise.
3572
3573 2008-01-07  Sa Liu  <saliu@de.ibm.com>
3574
3575         * config/spu/spu.md (divdf3): Genetate inline code for double
3576         division.  The implementation doesn't handle INF or NAN, therefore it
3577         only applies when -ffinite-math-only is given.
3578
3579 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
3580
3581         PR libstdc++/34680
3582         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3583         * doc/cpp.texi ([Common Predefined Macros]): Document.
3584
3585 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
3586
3587         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3588         order to use commutative addition instead of subtraction.
3589
3590 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3591             Mircea Namolaru  <namolaru@il.ibm.com>
3592             Vladimir Yanovsky  <yanov@il.ibm.com>
3593             Revital Eres  <eres@il.ibm.com>
3594
3595         PR tree-optimization/34263
3596         * tree-outof-ssa.c (process_single_block_loop_latch,
3597         contains_tree_r): New functions.
3598         (analyze_edges_for_bb): Call process_single_block_loop_latch
3599         function to empty single-basic-block latch block if possible.
3600
3601 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3602
3603         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3604         for TARGET_RECIP.
3605         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3606
3607 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3608
3609         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3610
3611 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
3612
3613         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3614
3615 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
3616
3617         PR tree-optimization/34618
3618         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3619         flag from T.
3620
3621 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3622
3623         PR target/34673
3624         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3625         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
3626         Update copyright year.
3627
3628         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3629         Update copyright year.
3630         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
3631         using NR fixup.
3632
3633 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
3634
3635         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
3636         edge does not point to current bb before changing need_assert.
3637
3638 2008-01-04  Richard Guenther  <rguenther@suse.de>
3639
3640         PR middle-end/34029
3641         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
3642         for verifying purposes if they are is_gimple_min_invariant.
3643
3644 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
3645
3646         PR tree-optimization/34448
3647         PR tree-optimization/34465
3648         * gimplify.c (gimplify_init_constructor): Add new parameter
3649         notify_temp_creation.  Use it.
3650         (gimplify_modify_expr_rhs): Take volatiles into account when
3651         optimizing constructors.
3652         Do not optimize constructors if gimplify_init_constructor will dump to
3653         memory.
3654         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
3655         * gcc.c-torture/compile/pr34448.c: New.
3656
3657 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
3658
3659         PR gcov-profile/34609
3660         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
3661         return_slot if result is TREE_ADDRESSABLE.
3662
3663 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
3664
3665         * config/mips/mips.md (sqrt_condition): Tweak comment.
3666         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
3667
3668 2008-01-03  Tom Tromey  <tromey@redhat.com>
3669
3670         PR c/34457
3671         * c-common.c (c_type_hash): Handle VLAs.
3672
3673 2008-01-03  Jan Hubicka  <jh@suse.cz>
3674
3675         PR tree-optimization/31081
3676         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
3677         0 when inlining and not inlining to first basic block.
3678         (remap_decl): When var is initialized to 0, don't set default_def.
3679         (expand_call_inline): Set entry_bb.
3680         * tree-inline.h (copy_body_data): Add entry_bb.
3681
3682 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3683
3684         PR c++/34619
3685         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
3686         before returning.
3687
3688         PR tree-optimization/29484
3689         * tree-inline.c (inline_forbidden_p_2): New function.
3690         (inline_forbidden_p): Disallow inlining if some static var
3691         has an address of a local LABEL_DECL in its initializer.
3692         * doc/extend.texi (Labels as Values): Document &&foo behaviour
3693         vs. inlining.
3694
3695 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3696
3697         PR tree-optimization/34635
3698         * tree-data-ref.c (add_other_self_distances): Make sure that the
3699         evolution step is constant.
3700
3701 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
3702
3703         PR middle-end/34608
3704         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
3705
3706 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
3707
3708         * tree-sra.c (scalarize_init): Insert the generate_element_init
3709         statements after the generate_element_zero statements.
3710
3711 2008-01-02  Richard Guenther  <rguenther@suse.de>
3712
3713         PR middle-end/34093
3714         PR middle-end/31976
3715         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
3716         for very large number of operands instead of ICEing.
3717
3718 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
3719
3720         PR target/34013
3721         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
3722         while stack probing.
3723
3724 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
3725
3726         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
3727         in C++0x mode.
3728
3729 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
3730
3731         PR libmudflap/26442
3732         * tree-mudflap.c (mx_register_decls): Guard warning by
3733         !DECL_ARTIFICIAL check.
3734
3735 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
3736
3737         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
3738         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
3739         sse5_perm<mode>): Fix constraints.