gcc/ChangeLog

   1 2007-01-10  Ian Lance Taylor  <iant@google.com>
   2
   3         * tree-pretty-print.c (dump_generic_node): Print parentheses when
   4         operands have the same priority.
   5
   6 2007-01-10  Tom Tromey  <tromey@redhat.com>
   7
   8         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
   9         (fold_binary): Likewise.
  10         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
  11         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
  12         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
  13         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
  14         * langhooks.h (struct lang_hooks): Removed field
  15         'can_use_bit_fields_p'.
  16
  17 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
  18
  19         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
  20
  21 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
  22
  23         * function.c (get_last_funcdef_no): New function.
  24         * function.h (get_last_funcdef_no): Declare.
  25         * tree-inline.c (initialize_cfun): Add initialization.
  26         (tree_function_versioning): Cleanup.
  27
  28 2007-01-10  Jan Hubicka  <jh@suse.cz>
  29
  30         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
  31         PHIs.
  32
  33 2007-01-10  Sa Liu  <saliu@de.ibm.com>
  34             Ben Elliston  <bje@au.ibm.com>
  35
  36         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
  37         for SAVE_NONLOCAL and Pmode for any other save level.
  38         * spu-protos.h (spu_restore_stack_block): Declare.
  39         * spu.md (save_stack_block): Remove.
  40         (restore_stack_block): Call spu_restore_stack_block.
  41         * spu.c (spu_restore_stack_block): New function.
  42         (spu_expand_epilogue): Remove old comment.
  43
  44 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
  45
  46         PR tree-optimization/30322
  47         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
  48         (cand_value_at): Return the value as aff_tree.
  49         (may_eliminate_iv): Convert the bound from aff_tree to tree.
  50         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
  51         aff_combination_mult): New functions.
  52         (aff_combination_add): Use aff_combination_add_cst.
  53         (aff_combination_convert): Allow conversions to a wider type.
  54         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
  55         * tree-affine.h (aff_combination_mult): Declare.
  56
  57 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
  58
  59         * doc/tm.texi: Update documentation to reflect reality of exec
  60         and start file search behaviours. Update copyright year.
  61         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
  62         header file directories.
  63
  64 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
  65
  66         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
  67         (*cosxf2): Rename to cosxf2_i387.
  68
  69         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
  70         using X87MODEF12 mode macro. Rename patterns to
  71         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
  72         for SSE math.
  73         (*cosdf2, *cossf2): Ditto.
  74         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
  75         to match extended input operands.
  76
  77         (sincos<mode>3): New expander.
  78
  79         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
  80         insn patterns and corresponding splitters.
  81
  82 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
  83
  84         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
  85         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
  86
  87 2007-01-09  Nicolas Pitre  <nico@cam.org>
  88
  89         PR target/30173
  90         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
  91
  92 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
  93
  94         * target.h (struct gcc_target): New field library_rtti_comdat.
  95         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
  96         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
  97         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
  98         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
  99
 100 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 101
 102         * doc/invoke.texi (Optimize Options): Correct description of -O0.
 103
 104 2007-01-08  Richard Guenther  <rguenther@suse.de>
 105
 106         * tree.h (force_fit_type_double): Export.
 107         (force_fit_type): Remove.
 108         * fold-const.c (force_fit_type_double): New function.
 109         (force_fit_type): Remove.
 110         (int_const_binop): Use it.
 111         (fold_convert_const_int_from_int): Likewise.
 112         (fold_convert_const_int_from_real): Likewise.
 113         (fold_div_compare): Likewise.
 114         (fold_sign_changed_comparison): Likewise.
 115         (fold_unary): Likewise.
 116         (fold_negate_const): Likewise.
 117         (fold_abs_const): Likewise.
 118         (fold_not_const): Likewise.
 119         * c-common.c (shorten_compare): Use force_fit_type_double.
 120         * convert.c (convert_to_pointer): Likewise.
 121
 122 2007-01-08  Richard Guenther  <rguenther@suse.de>
 123
 124         * tree.h (build_int_cst_wide_type): Export.
 125         * tree.c (build_int_cst_wide_type): New function.
 126         (build_int_cst_wide): Fix comment.
 127         * builtins.c (fold_builtin_object_size): Use build_int_cst
 128         to build -1 or 0 of the correct type.  Use fit_double_type
 129         to check for overflow.
 130         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
 131         to build the mask.
 132         (decode_field_reference): Likewise.
 133         (all_ones_mask_p): Likewise.
 134         (native_interpret_int): Use build_int_cst_wide_type.
 135         (fold_binary): Use build_int_cst_type to build an all-ones
 136         value.
 137         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
 138
 139 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
 140
 141         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
 142
 143 2007-01-09  Ben Elliston  <bje@au.ibm.com>
 144
 145         * genautomata.c (STATS_OPTION): New option.
 146         (stats_flag): New flag.
 147         (gen_automata_option): Handle it.
 148         (initiate_automaton_gen): Ditto.
 149         (write_automata): Output statistics only if stats_flag is
 150         set. Likewise, output time statistics only if time_flag is set.
 151         * doc/md.texi (Processor pipeline description): Document new flag.
 152
 153 2007-01-08  Richard Guenther  <rguenther@suse.de>
 154
 155         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
 156         * tree.c (build_int_cst_type): Likewise.
 157         (size_in_bytes): Don't call force_fit_type on the result.
 158         (int_fits_type_p): Use fit_double_type.
 159         * fold-const.c (fit_double_type): New function.
 160         (force_fit_type): Use it.
 161         * tree.h (fit_double_type): Export.
 162
 163 2007-01-08  Jan Hubicka  <jh@suse.cz>
 164
 165         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
 166         * ipa.c (function_and_variable_visibility): Fix return type.
 167
 168 2007-01-08  Richard Guenther  <rguenther@suse.de>
 169
 170         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
 171         of offset to build the index.
 172         * tree-pretty-print.c (dump_generic_node): Don't build negated
 173         const just for printing.
 174         * c-pretty-print.c (pp_c_integer_constant): Likewise.
 175         * builtins.c (fold_builtin_int_roundingfn): Check if result
 176         fits the type by using force_fit_type and comparing the result.
 177         * predict.c (predict_loops): Use compare_tree_int for comparison.
 178         * tree.c (build_int_cst): Fall back to integer_type_node for
 179         NULL_TREE type.
 180         (build_int_cst_wide): Assert type is non-null.
 181
 182 2007-01-08  Roberto Costa  <roberto.costa@st.com>
 183
 184         * tree-vrp.c (extract_range_from_cond_expr): New.
 185         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
 186         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
 187         as expressions.
 188         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
 189         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
 190         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
 191         used as expressions.
 192         * tree-object-size.c (cond_expr_object_size): New.
 193         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
 194
 195 2007-01-08  Jan Hubicka  <jh@suse.cz>
 196
 197         * tree-ssa-forwprop.c (forward_propagate_into_cond,
 198         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
 199         statement.
 200
 201 2007-01-08  Richard Guenther  <rguenther@suse.de>
 202
 203         PR tree-optimization/23603
 204         * tree-vrp.c (set_value_range_to_truthvalue): New function.
 205         (extract_range_from_binary): Fall back to truthvalue instead of
 206         varying for TRUTH_*_EXPR.
 207         (extract_range_from_comparison): Fall back to truthvalue instead of
 208         varying.
 209         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
 210         if all visited PHI values were constant.
 211
 212 2007-01-08  Jan Hubicka  <jh@suse.cz>
 213
 214         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
 215         (cgraph_analyze_function): break out from ...
 216         (cgraph_finalize_compilation_unit): ... here.
 217         (cgraph_expand_function): Remove forgoten commented out line.
 218         (cgraph_optimize): Analyze functions.
 219
 220 2007-01-08  Jan Hubicka  <jh@suse.cz>
 221
 222         * tree-pas.h (TODO_remove_function): New flag.
 223         (TODO_update*): Renumber.
 224         (pass_ipa_increase_alignment,
 225         pass_ipa_function_and_variable_visibility): New passes.
 226         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
 227         (cgraph_function_and_variable_visibility): Move to ipa.c
 228         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
 229         cgraph_increase_alignment.
 230         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
 231         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
 232         calling tree-inline.
 233         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
 234         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
 235         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
 236         (gate_increase_alignment): New function.
 237         (pass_ipa_increase_alignment): New pass.
 238         * ipa.c: Inline tree-pass.h and timevar.h
 239         (function_and_variable_visibility): Move here from cgraphunit.c
 240         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
 241         * passes.c (init_optimization_passes): Add the two new passes.
 242         (execute_todo): Handle cgraph_remove_functions.
 243
 244 2007-01-08  Nick Clifton  <nickc@redhat.com>
 245
 246         * config/frv/predicates.md (reg_or_0_operand): Accept
 247         CONST_DOUBLEs.
 248
 249 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
 250
 251         * config/bfin/rtems.h, config/bfin/t-rtems: New.
 252         * config.gcc: Add bfin*-rtems*.
 253
 254 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 255
 256         * c.opt: Add -flax-vector-conversions.
 257         * c-typeck.c (convert_for_assignment): Pass flag to
 258         vector_types_convertible_p to allow emission of note.
 259         (digest_init): Likewise.
 260         * c-opts.c: Handle -flax-vector-conversions.
 261         * c-common.c (flag_lax_vector_conversions): New.
 262         (vector_types_convertible_p): Unless -flax-vector conversions
 263         has been passed, disallow conversions between vectors with
 264         differing numbers of subparts and/or element types.  If such
 265         a conversion is disallowed, possibly emit a note on the first
 266         occasion only to inform the user of -flax-vector-conversions.
 267         The new last argument specifies this.
 268         * c-common.h (flag_lax_vector_conversions): New.
 269         (vector_types_convertible_p): Add extra argument.
 270         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
 271         char_type_node for V*QI type vectors.
 272         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
 273         Update to satisfy new typechecking rules.
 274         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
 275         C and C++ variants.
 276         * doc/invoke.texi (C Dialect Options): Document
 277         -flax-vector-conversions.
 278
 279 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 280
 281         PR tree-optimization/29877
 282         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
 283         a register variable on the RHS to not be replaceable.
 284
 285 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
 286         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
 287         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
 288         const_simm15, const_pow2, const_npow2): Added.
 289         * config/score/misc.md (insv, extv, extzv, movmemsi,
 290         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
 291         * config/score/score.c (score_address_cost, score_select_cc_mode):
 292         Added.
 293         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
 294         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
 295         Update score_print_operand.
 296         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
 297         Adjust register allocate order and update some macro define.
 298         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
 299         mdx_block_move_straight, mdx_block_move_loop_head,
 300         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
 301         mdx_block_move): Added.
 302         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
 303         mdp_limm): Updated and fix some bug and typo.
 304         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
 305         (movsf, movdf, doloop_end): Added.
 306
 307 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 308
 309         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
 310         config/arm/thumb2.md: Fix comment typos.
 311         * doc/extend.texi: Fix a typo.
 312
 313 2007-01-07  Eric Christopher  <echristo@apple.com>
 314
 315         * configure.ac: Check for __stack_chk_fail for darwin.
 316         * configure: Regenerate.
 317
 318 2007-01-07  Richard Guenther  <rguenther@suse.de>
 319
 320         * tree-vrp.c (extract_range_from_assert): CSE calls to
 321         compare_values where possible.
 322         (extract_range_from_unary_expr): Likewise.
 323
 324 2007-01-07  Anatoly Sokolov <aesok@post.ru>
 325
 326         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
 327         * config/avr/avr.c (call_insn_operand): Delete function.
 328         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
 329         instead of register number. Use predicates.
 330         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
 331         call_insn_operand): Add.
 332
 333 2007-01-06  Jan Hubicka  <jh@suse.cz>
 334
 335         * tree-pass.h (pass_build_cgraph_edges): Declare.
 336         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
 337         (visited_nodes): Remove.
 338         (cgraph_create_edges): Move to cgraphbuild.c; rename to
 339         build_cgrpah_edges; make visited_nodes local.
 340         (cgraph_process_new_functions): DO not call initialize_inline_failed.
 341         (record_references_in_initializer): Move to cgraphbuild.c
 342         (initialize_inline_failed, rebuild_cgraph_edges,
 343         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
 344         (verify_cgraph_node): Make visited_nodes local.
 345         (cgraph_analyze_function): Do not call cgraph_create_edges and
 346         initialize_inline_failed.
 347         (cgraph_expand_function): Do not call cgraph_lower_function;
 348         assert that function is already lowered.
 349         * Makefile.in (cgraphbuild.o): New.
 350         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
 351         at the end of lowering passes.
 352
 353 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
 354
 355         * ifcvt.c (cond_move_convert_if_block): New function, code
 356         factored out from...
 357         (cond_move_process_if_block): ...here.  Call the new function
 358         on the THEN and ELSE blocks.
 359         (merge_if_block): Do not copy global_live_at_end, merge_blocks
 360         already takes care of this.
 361
 362 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 363
 364         PR c/19978
 365         * tree.h (TREE_OVERFLOW_P): New.
 366         * c-typeck.c (parser_build_unary_op): Warn only if result
 367         overflowed and operands did not.
 368         (parser_build_binary_op): Likewise.
 369         (convert_for_assignment): Remove redundant overflow_warning.
 370         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
 371
 372 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 373
 374         * c-typeck.c (store_init_value): Split over two lines to follow
 375         the GNU coding style.
 376
 377 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
 378
 379         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
 380         __GXX_EXPERIMENTAL_CXX0X__.
 381         * doc/cpp.texi: Same.
 382
 383 2007-01-05  Richard Guenther  <rguenther@suse.de>
 384
 385         PR middle-end/27826
 386         * tree.c (get_narrower): Do not construct COMPONENT_REFs
 387         with mismatched types.  Instead explicitly build a
 388         conversion NOP_EXPR.
 389
 390 2007-01-05  Ian Lance Taylor  <iant@google.com>
 391
 392         * c-common.c (decl_with_nonnull_addr_p): New function.
 393         (c_common_truthvalue_conversion): Call it.
 394         * c-typeck.c (build_binary_op): Likewise.
 395         * c-common.h (decl_with_nonnull_addr_p): Declare.
 396
 397 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
 398
 399         PR c/30360
 400         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
 401         denom against 0.0.
 402
 403 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
 404
 405         * doc/install.texi (Final install): Document the fact that
 406         the GNAT runtime should not be stripped.
 407
 408 2007-01-04  Jan Hubicka  <jh@suse.cz>
 409
 410         * tree-inline.c (fold_marked_statements): Update operand caches
 411         and EH after folding
 412
 413 2007-01-04  Ian Lance Taylor  <iant@google.com>
 414
 415         * c-common.c (check_function_nonnull): Whitespace fix.
 416
 417 2007-01-04  Jan Hubicka  <jh@suse.cz>
 418
 419         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
 420         comitted older version of patch.
 421         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
 422         function, celanup cfg and collect garbage.
 423
 424 2007-01-04  Mike Stump  <mrs@apple.com>
 425
 426         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
 427         (clean): Likewise.
 428
 429 2007-01-04  Eric Christopher  <echristo@apple.com>
 430
 431         * libgcc2.c (__bswapsi2): Use SItype.
 432         (__bswapdi2): Use DItype.
 433         * libgcc2.h: Update for above.
 434
 435 2007-01-04  Paul Brook  <paul@codesourcery.com>
 436
 437         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
 438         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
 439         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
 440         umulsidi3, umulsidi3adddi, smulsi3_highpart,
 441         umulsi3_highpart): Make conditional on !arm_arch6.
 442         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
 443         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
 444         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
 445         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
 446         umulsi3_highpart_v6): New insns.
 447
 448 2007-01-04  Roger Sayle  <roger@eyesopen.com>
 449
 450         * fold-const.c (fold_convert): When casting an expression to void,
 451         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
 452         have a type.  Instead of attempting to build a NOP_EXPR, return
 453         these "special" trees directly.
 454
 455 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
 456
 457         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
 458         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
 459         rs6000_cost->fp not 0 as adjustment for outer NEG.
 460
 461 2007-01-04  Jan Hubicka  <jh@suse.cz>
 462
 463         * cgraph.c (cgraph_release_function_body): New function.
 464         (cgraph_remove_node): Use it.
 465         * cgraph.h (cgraph_release_function_body): Declare.
 466         * cgraphunit.c (cgraph_expand_function): Use it.
 467         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
 468         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
 469         is initialized and while compilation of other function is running.
 470         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
 471         statement CFG annotations from here to ...
 472         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
 473
 474 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
 475
 476         * cfgloop.h (enum li_flags): Make the constants powers of two.
 477
 478 2007-01-04  Jan Hubicka  <jh@suse.cz>
 479
 480         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
 481         set.
 482         (fold_marked_statements): New function.
 483         (optimize_inline_calls, tree_function_versioning): Fold new statements.
 484         * tree-inline.h (copy_body_data): Add statements_to_fold.
 485
 486 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
 487
 488         * config.gcc: Mention libgcc/config.host.
 489         * Makefile.in: Update comments mentioning libgcc.
 490         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
 491         (all.cross, start.encap, rest.encap, rest.cross): Update
 492         dependencies for libgcc move.
 493         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
 494         (clean-target, clean-target-libgcc): Delete.
 495         (srcdirify, GCC_EXTRA_PARTS): New macros.
 496         (libgcc-support, libgcc.mvars): New rules.
 497         (distclean): Remove mention of mklibgcc.
 498         (install): Don't reference INSTALL_LIBGCC.
 499         (install-common): Don't reference EXTRA_PARTS.
 500         (install-libgcc, install-multilib): Delete rules.
 501         * mklibgcc.in: Delete file.
 502         * doc/configfiles.texi: Don't mention mklibgcc.
 503
 504         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
 505         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
 506         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
 507         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
 508         (mklibgcc, ldblspecs): Likewise.
 509
 510         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
 511         (posixpre.def): Use $(T).
 512         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
 513         (SHLIB_SRC, SHLIB_INSTALL): Delete.
 514         (SHLIB_LINK): Make dummy.
 515         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
 516
 517         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
 518
 519         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
 520         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
 521         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
 522         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
 523
 524         * configure.ac (all_outputs): Remove mklibgcc.
 525         * configure: Regenerated.
 526
 527 2007-01-03  Josh Conner  <jconner@apple.com>
 528
 529         PR middle-end/29683
 530         * calls.c (compute_argument_addresses): Set stack and stack_slot
 531         for partial args, too.
 532         (store_one_arg): Use locate.size.constant for the size when
 533         generating a save_area.
 534
 535 2007-01-03  Robert Kennedy <jimbob@google.com>
 536
 537         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
 538         whose definitions are deleted due to basic block merging.
 539
 540 2007-01-03  Paul Brook  <paul@codesourcery.com>
 541
 542         PR target/16634
 543         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
 544         functions.
 545         (use_return_insn): Return 0 for Thumb interrupt functions.
 546         (print_multi_reg): Add rfe argument for IRQ returns.
 547         (arm_output_epilogue): Pop interrupt return address directly into PC.
 548         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
 549
 550 2007-01-03  Paul Brook  <paul@codesourcery.com>
 551
 552         Merge from sourcerygxx-4_1.
 553         * config/arm/thumb2.md: New file.
 554         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
 555         Thumb-2.
 556         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
 557         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 558         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
 559         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
 560         tables.
 561         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 562         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
 563         comptibility.
 564         * config/arm/ieee754-sf.S: Ditto.
 565         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
 566         (thumb1_base_register_rtx_p): ... to this.
 567         (thumb_index_register_rtx_p): Rename...
 568         (thumb1_index_register_rtx_p): ... to this.
 569         (thumb_output_function_prologue): Rename...
 570         (thumb1_output_function_prologue): ... to this.
 571         (thumb_legitimate_address_p): Rename...
 572         (thumb1_legitimate_address_p): ... to this.
 573         (thumb_rtx_costs): Rename...
 574         (thumb1_rtx_costs): ... to this.
 575         (thumb_compute_save_reg_mask): Rename...
 576         (thumb1_compute_save_reg_mask): ... to this.
 577         (thumb_final_prescan_insn): Rename...
 578         (thumb1_final_prescan_insn): ... to this.
 579         (thumb_expand_epilogue): Rename...
 580         (thumb1_expand_epilogue): ... to this.
 581         (arm_unwind_emit_stm): Rename...
 582         (arm_unwind_emit_sequence): ... to this.
 583         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
 584         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
 585         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
 586         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
 587         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
 588         thumb2_output_casesi): New functions.
 589         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
 590         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
 591         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
 592         THUMB2_WORK_REGS): Define.
 593         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
 594         arm_condexec_mask, arm_condexec_masklen)): New variables.
 595         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
 596         (arm_override_options): Check new CPU capabilities.
 597         Set new architecture flag variables.
 598         (arm_isr_value): Handle v7m interrupt functions.
 599         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
 600         Thumb-2.
 601         (const_ok_for_arm): Handle Thumb-2 constants.
 602         (arm_gen_constant): Ditto.  Use movw when available.
 603         (arm_function_ok_for_sibcall): Return false for v7m interrupt
 604         functions.
 605         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
 606         (thumb_find_work_register, arm_load_pic_register,
 607         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
 608         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
 609         print_multi_reg, output_mov_long_double_fpa_from_arm,
 610         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
 611         output_mov_double_fpa_from_arm, output_move_double,
 612         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
 613         output_return_instruction, arm_output_function_prologue,
 614         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
 615         arm_output_mi_thunk, thumb_set_return_address): Ditto.
 616         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
 617         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
 618         (arithmetic_instr, shift_op): Use arm_shift_nmem.
 619         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
 620         '!' and 'L'.
 621         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
 622         (thumb_expand_prologue): Use thumb_set_frame_pointer.
 623         (arm_file_start): Output directive for unified syntax.
 624         (arm_unwind_emit_set): Handle stack alignment instruction.
 625         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
 626         Add v6t2, v7, v7a, v7r and v7m.
 627         (RETLDM): Add Thumb-2 code.
 628         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
 629         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
 630         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
 631         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
 632         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
 633         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
 634         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
 635         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
 636         ADJUST_INSN_LENGTH): Define.
 637         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
 638         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
 639         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
 640         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
 641         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
 642         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
 643         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
 644         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
 645         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
 646         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
 647         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
 648         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
 649         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
 650         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
 651         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
 652         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
 653         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
 654         cortex-m3.
 655         * config/arm/arm-tune.md: Regenerate.
 656         * config/arm/arm-protos.h: Update prototypes.
 657         * config/arm/vfp.md: Enable patterns for Thumb-2.
 658         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
 659         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
 660         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
 661         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
 662         * config/arm/libunwind.S: Add Thumb-2 code.
 663         * config/arm/constraints.md: Update include Thumb-2.
 664         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
 665         * config/arm/ieee754-df.S: Ditto.
 666         * config/arm/bpabi.S: Ditto.
 667         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
 668         * config/arm/predicates.md (low_register_operand,
 669         low_reg_or_int_operand, thumb_16bit_operator): New.
 670         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
 671         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
 672         * config/arm/t-arm-elf: Add armv7 multilib.
 673         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
 674         Include thumb2.md.
 675         (UNSPEC_STACK_ALIGN, ce_count): New.
 676         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
 677         arm_zero_extendsidi2, arm_zero_extendqidi2): New
 678         insns/expanders.
 679         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
 680         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
 681         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
 682         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
 683         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
 684         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
 685         insns.
 686         * doc/extend.texi: Document ARMv7-M interrupt functions.
 687         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
 688
 689 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
 690
 691         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
 692         (struct _Unwind_Context): Rename args_size to flags, remove
 693         signal_frame field, add a new args_size field and version field.
 694         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
 695         _Unwind_IsExtendedContext): New inline functions.
 696         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
 697         Assume by_value array is only present if _Unwind_IsExtendedContext.
 698         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
 699         _Unwind_IsSignalFrame.
 700         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
 701         (uw_update_context_1): Use _Unwind_SetSignalFrame.
 702         (uw_init_context_1): Initialize context->flags to
 703         EXTENDED_CONTEXT_BIT.
 704         * config/rs6000/linux-unwind.h (frob_update_context): Use
 705         _Unwind_SetSignalFrame.
 706
 707 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 708
 709         PR middle-end/30353
 710         * gimplify.c (gimplify_modify_expr_complex_part): Move below
 711         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
 712         the value.
 713
 714 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
 715
 716         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
 717         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
 718         RET, AT_SP): Remove.
 719         * config/i386/i386.md (*sse_prologue_save_insn): Use return
 720         instead of RET.
 721
 722         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 723         * cfgbuild.c (find_basic_blocks): Likewise.
 724         * cfgrtl.c (rtl_create_basic_block): Likewise.
 725         * function.c (temp_slots_at_level): Likewise.
 726         * reg-stack.c (stack_regs_mentioned): Likewise.
 727         * regclass.c (allocate_reg_info): Likewise.
 728         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 729         set_bb_for_stmt, move_block_to_fn): Likewise.
 730         * tree-complex.c (tree_lower_complex): Likewise.
 731         * vec.h (VEC_safe_grow_cleared): New.
 732
 733         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
 734
 735 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
 736
 737         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
 738         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
 739         to loop_version.
 740         * cfgloopmanip.c (scale_loop_frequencies): Export.
 741         (loopify): Scale the frequencies by prescribed coefficients.
 742         (set_zero_probability): New function.
 743         (duplicate_loop_to_header_edge): Improve updating of frequencies.
 744         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
 745         and frequencies according to arguments.
 746         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
 747         correctly.
 748         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
 749         * modulo-sched.c (sms_schedule): Set probabilities for entering
 750         versioned loop correctly.
 751         * tree-vect-transform.c (vect_transform_loop): Ditto.
 752         * cfgloop.h (loopify, loop_version): Declaration changed.
 753         (scale_loop_frequencies): Declared.
 754
 755 2007-01-02  Jan Hubicka  <jh@suse.cz>
 756
 757         * cgraph.c: Include tree-flow.h
 758         (cgraph_add_new-function): Handle IPA_SSA mode; execute
 759         early_local_passes.
 760         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
 761         * tree-pass.h (pass_all_early_optimizations): Declare.
 762         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
 763         early_local_passes.
 764         (cgraph_analyze_function): Do early_local_passes.
 765         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 766         Do not add referenced vars.
 767         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
 768         SSA form.
 769         (gate_all_early_local_passes): New gate.
 770         (pass_early_local_passes): Use new gate.
 771         (execute_early_local_optimizations): New functions.
 772         (gate_all_early_optimizations): New gate.
 773         (pass_all_early_optimizations): New pass.
 774         (execute_free_datastructures): Free SSA only when initialized.
 775         (gate_init_datastructures): Init only when optimizing.
 776         (tree_lowering_passes): Do early local passes when called late.
 777         * tree-profile.c (do_tree_profiling): Don't profile functions added
 778         late.
 779         (do_early_tree_profiling, pass_early_tree_profile): Kill.
 780         * tree-cfg.c (update_modified_stmts): Do not update when operands are
 781         not active.
 782         * passes.c (init_optimizations_passes): Reorder so we go into SSA
 783         during early_local_passes.
 784         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
 785
 786
 787 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 788
 789         * Makefile.in: Update copyright year.
 790
 791 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 792
 793         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
 794         in $(lang_checks) and check-consistency targets.
 795
 796 2007-01-02  Jan Hubicka  <jh@suse.cz>
 797
 798         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 799         Do not add referenced vars.
 800         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
 801         are not active.
 802         * passes.c (init_optimization_passes): Put mudflap_2 after
 803         free_datastructures.
 804
 805 2007-01-02  Jan Hubicka  <jh@suse.cz>
 806
 807         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
 808         Set NOTHROW flag on call statements proved to be nothrow.
 809         Update statement of local calls so new pure/const functions are
 810         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
 811         goto receivers.
 812         (tree_rest_of_compilation): Register hooks and initialize bitmap
 813         early. Do not set after_inlining flag.
 814
 815 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
 816
 817         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
 818         HOST_BITS_PER_LONGLONG
 819
 820 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 821
 822         PR c/19977
 823         * c-typeck.c (store_init_value): Don't emit pedantic overflow
 824         warning for non-static initializers.
 825
 826 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
 827
 828         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
 829         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
 830         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
 831         Always use set_unique_reg_note to add REG_EQUAL notes.
 832
 833 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 834
 835         Revert:
 836         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 837
 838         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 839         * cfgbuild.c (find_basic_blocks): Likewise.
 840         * cfgrtl.c (rtl_create_basic_block): Likewise.
 841         * function.c (temp_slots_at_level): Likewise.
 842         * reg-stack.c (stack_regs_mentioned): Likewise.
 843         * regclass.c (allocate_reg_info): Likewise.
 844         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 845         set_bb_for_stmt, move_block_to_fn): Likewise.
 846         * tree-complex.c (tree_lower_complex): Likewise.
 847         * vec.h (VEC_safe_grow_cleared): New.
 848
 849 2007-01-02  Ian Lance Taylor  <iant@google.com>
 850
 851         * c-common.c (c_common_truthvalue_conversion): When warning about
 852         using an assignment as a truth value, set TREE_NO_WARNING.
 853
 854 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 855
 856         PR middle-end/7651
 857         * c.opt (Wold-style-declaration): New.
 858         * doc/invoke.texi (C-only Warning Options): New.
 859         (Wold-style-declaration): Document it.
 860         (Wextra): Enabled by -Wextra.
 861         * c-opts.c (c_common_post_options): Enabled by -Wextra.
 862         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
 863         -Wold-style-declaration.
 864
 865 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 866
 867         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 868         * cfgbuild.c (find_basic_blocks): Likewise.
 869         * cfgrtl.c (rtl_create_basic_block): Likewise.
 870         * function.c (temp_slots_at_level): Likewise.
 871         * reg-stack.c (stack_regs_mentioned): Likewise.
 872         * regclass.c (allocate_reg_info): Likewise.
 873         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 874         set_bb_for_stmt, move_block_to_fn): Likewise.
 875         * tree-complex.c (tree_lower_complex): Likewise.
 876         * vec.h (VEC_safe_grow_cleared): New.
 877
 878 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
 879
 880         * c-common.c(c_common_nodes_and_builtins): Since variants of
 881         void_type_node get built before it is given a name, we need to
 882         give those variants the name, too.
 883         (complete_array_type): We need to work with the canonical main
 884         type of the array, from which we will build the qualified version.
 885         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
 886         * print-tree.c (print_node): Display canonical type information
 887         for each type.
 888         * stor-layout.c (layout_type): When we don't know the
 889         alignment of a type for which we're building an array, we end up
 890         guessing wrong, so make the type require structural equality.
 891         * tree.c (make_node_stat): When we build a new type, it is its
 892         own canonical type.
 893         (build_type_attribute_qual_variant): When building an attribute
 894         variant, its canonical type is the non-attribute variant. However,
 895         if the attributes are target-dependent and they differ, we need to
 896         use structural equality checks for this type.
 897         (build_qualified_type): A qualified type is not equivalent to its
 898         unqualified variant; set the canonical type appropriately.
 899         (build_distinct_type_copy): When building a distinct type from
 900         another type, the new type is its own canonical type.
 901         (build_variant_type_copy): When building a new type variant, we
 902         assume that it is equivalent to the original type.
 903         (build_pointer_type_for_mode): When building a pointer type, also
 904         build a canonical type pointer.
 905         (build_reference_type_for_mode): When building a reference type,
 906         also build a canonical type reference.
 907         (build_index_type): When we can't hash an index type (e.g.,
 908         because its maximum value is negative), the index type requires
 909         structural equality tests.
 910         (build_array_type): Build the canonical form of an array type.
 911         (build_function_type): Function types require structural equality,
 912         because they contain default arguments, attributes, etc.
 913         (build_method_type_directly): Ditto for method types.
 914         (build_offset_type): Build the canonical offset type.
 915         (build_complex_type): Build the canonical vector type.
 916         (make_vector_type): Build the canonical vector type.
 917         * tree.h (TYPE_CANONICAL): New.
 918         (TYPE_STRUCTURAL_EQUALITY_P): New.
 919         (SET_TYPE_STRUCTURAL_EQUALITY): New.
 920         (struct tree_type): Added "canonical" field.
 921         * params.h (VERIFY_CANONICAL_TYPES): New.
 922         * doc/c-tree.texi (TYPE_CANONICAL): Document.
 923         (TYPE_STRUCTURAL_EQUALITY_P): Document.
 924         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
 925         * doc/invoke.texi (verify-canonical-types): Document --param
 926         parameter for verifying canonical types.
 927
 928 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 929
 930         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
 931         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
 932         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
 933         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
 934         tm_file.
 935         * config/rs6000/e500.h: New.
 936         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
 937         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
 938         Remove.
 939         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
 940         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
 941         TARGET_E500_DOUBLE): Remove.
 942         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
 943         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
 944         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
 945         * config/rs6000/rs6000.c (rs6000_override_options): Use
 946         CHECK_E500_OPTIONS.
 947
 948 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 949
 950         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
 951         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
 952         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
 953         rs6000_emit_cmove): Don't check TARGET_E500.
 954         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
 955         sordered): Don't check TARGET_E500.
 956
 957 2007-01-01  Eric Christopher  <echristo@apple.com>
 958
 959         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
 960         HARD_REGISTER_NUM_P.
 961
 962 2007-01-01  Roger Sayle  <roger@eyesopen.com>
 963
 964         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
 965         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
 966         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
 967         eq/ne Y".
 968
 969 2007-01-01  Mike Stump  <mrs@apple.com>
 970
 971         * configure.ac: Remove support for building with Apple's gcc-3.1.
 972
 973 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
 974
 975         PR middle-end/30311
 976         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
 977         REG is a hard register.  Do not modify REG before calling
 978         subreg_nregs.
 979         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
 980         multiple of the size of YMODE for certain lowpart cases.
 981
 982 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 983
 984         PR middle-end/30253
 985         * gimplify (voidify_wrapper_expr): Update for
 986         GIMPLE_MODIFY_STMT.
 987
 988 2007-01-01  Andreas Schwab  <schwab@suse.de>
 989
 990         PR target/29166
 991         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
 992         save of BR0 in extra_spill_size instead of spill_size.
 993         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
 994         area.
 995         (ia64_expand_epilogue): Restore BR0 from its new location.
 996
 997 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
 998
 999         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1000         Use a temporary variable if the left hand side is not a gimple
1001         register.
1002
1003 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1004
1005         * gimplify.c (gimplify_return_expr): Make the temporary variable
1006         for the return expression, a gimple register variable.
1007
1008 2007-01-01  Jan Hubicka  <jh@suse.cz>
1009
1010         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1011         INSN_LIST.
1012
1013 2007-01-01  Mike Stump  <mrs@apple.com>
1014
1015         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1016         .literal16.
1017         * config/darwin.c (machopic_select_rtx_section): Use
1018         HAVE_GAS_LITERAL16.
1019         (darwin_mergeable_constant_section): Likewise.
1020         * configure: Regenerate.
1021         * config.in: Regenerate.
1022
1023 2007-01-01  Jan Hubicka  <jh@suse.cz>
1024             Andrew Pinski  <pinskia@gmail.com>
1025
1026         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1027         before starting IPA passes.