gcc/ChangeLog

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