gcc/ChangeLog

   1 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * configure.ac (strict1_warn): Rename to strict_warn.
   4         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
   5         cc_set_by_configure, quoted_cc_set_by_configure,
   6         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
   7         all_boot_languages, all_stagestuff): Remove.
   8         (target_list): Remove bootstrap targets.
   9         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
  10         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
  11         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
  12         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
  13         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
  14         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
  15         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
  16         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
  17         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
  18         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
  19         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
  20         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
  21         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
  22         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
  23         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
  24         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
  25         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
  26         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
  27         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
  28         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
  29         (mostlyclean): Adjust.
  30         (clean, distclean): Don't mention bootstrap stuff.
  31         * configure: Regenerate.
  32         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
  33         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
  34         treelang/config-lang.in (stagestuff): Remove.
  35         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
  36         stageprofile, stagefeedback, stagestuff): Remove mention.
  37
  38 2007-01-11  Nick Clifton  <nickc@redhat.com>
  39
  40         * config/mcore/predicates.md (mcore_general_movesrc_operand):
  41         Accept CONSTs.
  42         (mcore_general_movdst_operand): Do not accept CONST_INTs.
  43         (mcore_arith_K_S_operand): Run the test for the S constraint not
  44         the test for the M constraint.
  45         (mcore_addsub_operand): Do not accept integer values that are
  46         larger than 32 bits.
  47         * config/mcore/mcore.md: Remove unused constraints from split.
  48         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
  49         (addsi3): Likewise.
  50         (allocate_stack): Likewise.
  51         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
  52         operands to 32 bits.
  53         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
  54         INTVAL.
  55         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
  56         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
  57         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
  58         mcore_output_bclri, mcore_output_andn, output_inline_const,
  59         mcore_output_move, mcore_output_movedouble): Likewise.
  60         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
  61         (output_inline_const): Likewise.
  62         (output_inline_const): Fix format strings used in sprintf
  63         statements.
  64         * config/mcore/mcore-protos.h: Update prototypes for changed
  65         functions in mcore.c.
  66         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
  67         HOST_WIDE_INT and not int.
  68         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
  69         CONST_OK_FOR_N): Likewise.
  70         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
  71         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
  72         an INTVAL.
  73
  74 2007-01-10  Jan Hubicka  <jh@suse.cz>
  75
  76         * tree-vrp.c (remove_range_assertions): Release defs.
  77         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
  78         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
  79
  80 2007-01-10  Paul Brook  <paul@codesourcery.com>
  81
  82         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
  83         * config/arm/arm.md (mulsi3subsi): New insn.
  84
  85 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
  86
  87         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
  88         (tree_transform_and_unroll_loop): New.
  89         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
  90         Declare.
  91
  92 2007-01-10  Robert Kennedy <jimbob@google.com>
  93
  94         * fold-const.c (fold_comparison): Fold comparisons like (x *
  95         1000 < 0) to (x < 0).
  96
  97 2007-01-10  Ian Lance Taylor  <iant@google.com>
  98
  99         * tree-pretty-print.c (dump_generic_node): Print parentheses when
 100         operands have the same priority.
 101
 102 2007-01-10  Tom Tromey  <tromey@redhat.com>
 103
 104         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
 105         (fold_binary): Likewise.
 106         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
 107         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
 108         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
 109         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
 110         * langhooks.h (struct lang_hooks): Removed field
 111         'can_use_bit_fields_p'.
 112
 113 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
 114
 115         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
 116
 117 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
 118
 119         * function.c (get_last_funcdef_no): New function.
 120         * function.h (get_last_funcdef_no): Declare.
 121         * tree-inline.c (initialize_cfun): Add initialization.
 122         (tree_function_versioning): Cleanup.
 123
 124 2007-01-10  Jan Hubicka  <jh@suse.cz>
 125
 126         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
 127         PHIs.
 128
 129 2007-01-10  Sa Liu  <saliu@de.ibm.com>
 130             Ben Elliston  <bje@au.ibm.com>
 131
 132         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
 133         for SAVE_NONLOCAL and Pmode for any other save level.
 134         * spu-protos.h (spu_restore_stack_block): Declare.
 135         * spu.md (save_stack_block): Remove.
 136         (restore_stack_block): Call spu_restore_stack_block.
 137         * spu.c (spu_restore_stack_block): New function.
 138         (spu_expand_epilogue): Remove old comment.
 139
 140 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
 141
 142         PR tree-optimization/30322
 143         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
 144         (cand_value_at): Return the value as aff_tree.
 145         (may_eliminate_iv): Convert the bound from aff_tree to tree.
 146         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
 147         aff_combination_mult): New functions.
 148         (aff_combination_add): Use aff_combination_add_cst.
 149         (aff_combination_convert): Allow conversions to a wider type.
 150         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
 151         * tree-affine.h (aff_combination_mult): Declare.
 152
 153 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
 154
 155         * doc/tm.texi: Update documentation to reflect reality of exec
 156         and start file search behaviours. Update copyright year.
 157         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
 158         header file directories.
 159
 160 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
 161
 162         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
 163         (*cosxf2): Rename to cosxf2_i387.
 164
 165         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
 166         using X87MODEF12 mode macro. Rename patterns to
 167         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
 168         for SSE math.
 169         (*cosdf2, *cossf2): Ditto.
 170         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
 171         to match extended input operands.
 172
 173         (sincos<mode>3): New expander.
 174
 175         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
 176         insn patterns and corresponding splitters.
 177
 178 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
 179
 180         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
 181         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
 182
 183 2007-01-09  Nicolas Pitre  <nico@cam.org>
 184
 185         PR target/30173
 186         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
 187
 188 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 189
 190         * target.h (struct gcc_target): New field library_rtti_comdat.
 191         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
 192         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
 193         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
 194         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
 195
 196 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 197
 198         * doc/invoke.texi (Optimize Options): Correct description of -O0.
 199
 200 2007-01-08  Richard Guenther  <rguenther@suse.de>
 201
 202         * tree.h (force_fit_type_double): Export.
 203         (force_fit_type): Remove.
 204         * fold-const.c (force_fit_type_double): New function.
 205         (force_fit_type): Remove.
 206         (int_const_binop): Use it.
 207         (fold_convert_const_int_from_int): Likewise.
 208         (fold_convert_const_int_from_real): Likewise.
 209         (fold_div_compare): Likewise.
 210         (fold_sign_changed_comparison): Likewise.
 211         (fold_unary): Likewise.
 212         (fold_negate_const): Likewise.
 213         (fold_abs_const): Likewise.
 214         (fold_not_const): Likewise.
 215         * c-common.c (shorten_compare): Use force_fit_type_double.
 216         * convert.c (convert_to_pointer): Likewise.
 217
 218 2007-01-08  Richard Guenther  <rguenther@suse.de>
 219
 220         * tree.h (build_int_cst_wide_type): Export.
 221         * tree.c (build_int_cst_wide_type): New function.
 222         (build_int_cst_wide): Fix comment.
 223         * builtins.c (fold_builtin_object_size): Use build_int_cst
 224         to build -1 or 0 of the correct type.  Use fit_double_type
 225         to check for overflow.
 226         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
 227         to build the mask.
 228         (decode_field_reference): Likewise.
 229         (all_ones_mask_p): Likewise.
 230         (native_interpret_int): Use build_int_cst_wide_type.
 231         (fold_binary): Use build_int_cst_type to build an all-ones
 232         value.
 233         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
 234
 235 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
 236
 237         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
 238
 239 2007-01-09  Ben Elliston  <bje@au.ibm.com>
 240
 241         * genautomata.c (STATS_OPTION): New option.
 242         (stats_flag): New flag.
 243         (gen_automata_option): Handle it.
 244         (initiate_automaton_gen): Ditto.
 245         (write_automata): Output statistics only if stats_flag is
 246         set. Likewise, output time statistics only if time_flag is set.
 247         * doc/md.texi (Processor pipeline description): Document new flag.
 248
 249 2007-01-08  Richard Guenther  <rguenther@suse.de>
 250
 251         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
 252         * tree.c (build_int_cst_type): Likewise.
 253         (size_in_bytes): Don't call force_fit_type on the result.
 254         (int_fits_type_p): Use fit_double_type.
 255         * fold-const.c (fit_double_type): New function.
 256         (force_fit_type): Use it.
 257         * tree.h (fit_double_type): Export.
 258
 259 2007-01-08  Jan Hubicka  <jh@suse.cz>
 260
 261         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
 262         * ipa.c (function_and_variable_visibility): Fix return type.
 263
 264 2007-01-08  Richard Guenther  <rguenther@suse.de>
 265
 266         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
 267         of offset to build the index.
 268         * tree-pretty-print.c (dump_generic_node): Don't build negated
 269         const just for printing.
 270         * c-pretty-print.c (pp_c_integer_constant): Likewise.
 271         * builtins.c (fold_builtin_int_roundingfn): Check if result
 272         fits the type by using force_fit_type and comparing the result.
 273         * predict.c (predict_loops): Use compare_tree_int for comparison.
 274         * tree.c (build_int_cst): Fall back to integer_type_node for
 275         NULL_TREE type.
 276         (build_int_cst_wide): Assert type is non-null.
 277
 278 2007-01-08  Roberto Costa  <roberto.costa@st.com>
 279
 280         * tree-vrp.c (extract_range_from_cond_expr): New.
 281         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
 282         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
 283         as expressions.
 284         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
 285         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
 286         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
 287         used as expressions.
 288         * tree-object-size.c (cond_expr_object_size): New.
 289         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
 290
 291 2007-01-08  Jan Hubicka  <jh@suse.cz>
 292
 293         * tree-ssa-forwprop.c (forward_propagate_into_cond,
 294         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
 295         statement.
 296
 297 2007-01-08  Richard Guenther  <rguenther@suse.de>
 298
 299         PR tree-optimization/23603
 300         * tree-vrp.c (set_value_range_to_truthvalue): New function.
 301         (extract_range_from_binary): Fall back to truthvalue instead of
 302         varying for TRUTH_*_EXPR.
 303         (extract_range_from_comparison): Fall back to truthvalue instead of
 304         varying.
 305         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
 306         if all visited PHI values were constant.
 307
 308 2007-01-08  Jan Hubicka  <jh@suse.cz>
 309
 310         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
 311         (cgraph_analyze_function): break out from ...
 312         (cgraph_finalize_compilation_unit): ... here.
 313         (cgraph_expand_function): Remove forgoten commented out line.
 314         (cgraph_optimize): Analyze functions.
 315
 316 2007-01-08  Jan Hubicka  <jh@suse.cz>
 317
 318         * tree-pas.h (TODO_remove_function): New flag.
 319         (TODO_update*): Renumber.
 320         (pass_ipa_increase_alignment,
 321         pass_ipa_function_and_variable_visibility): New passes.
 322         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
 323         (cgraph_function_and_variable_visibility): Move to ipa.c
 324         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
 325         cgraph_increase_alignment.
 326         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
 327         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
 328         calling tree-inline.
 329         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
 330         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
 331         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
 332         (gate_increase_alignment): New function.
 333         (pass_ipa_increase_alignment): New pass.
 334         * ipa.c: Inline tree-pass.h and timevar.h
 335         (function_and_variable_visibility): Move here from cgraphunit.c
 336         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
 337         * passes.c (init_optimization_passes): Add the two new passes.
 338         (execute_todo): Handle cgraph_remove_functions.
 339
 340 2007-01-08  Nick Clifton  <nickc@redhat.com>
 341
 342         * config/frv/predicates.md (reg_or_0_operand): Accept
 343         CONST_DOUBLEs.
 344
 345 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
 346
 347         * config/bfin/rtems.h, config/bfin/t-rtems: New.
 348         * config.gcc: Add bfin*-rtems*.
 349
 350 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 351
 352         * c.opt: Add -flax-vector-conversions.
 353         * c-typeck.c (convert_for_assignment): Pass flag to
 354         vector_types_convertible_p to allow emission of note.
 355         (digest_init): Likewise.
 356         * c-opts.c: Handle -flax-vector-conversions.
 357         * c-common.c (flag_lax_vector_conversions): New.
 358         (vector_types_convertible_p): Unless -flax-vector conversions
 359         has been passed, disallow conversions between vectors with
 360         differing numbers of subparts and/or element types.  If such
 361         a conversion is disallowed, possibly emit a note on the first
 362         occasion only to inform the user of -flax-vector-conversions.
 363         The new last argument specifies this.
 364         * c-common.h (flag_lax_vector_conversions): New.
 365         (vector_types_convertible_p): Add extra argument.
 366         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
 367         char_type_node for V*QI type vectors.
 368         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
 369         Update to satisfy new typechecking rules.
 370         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
 371         C and C++ variants.
 372         * doc/invoke.texi (C Dialect Options): Document
 373         -flax-vector-conversions.
 374
 375 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 376
 377         PR tree-optimization/29877
 378         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
 379         a register variable on the RHS to not be replaceable.
 380
 381 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
 382         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
 383         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
 384         const_simm15, const_pow2, const_npow2): Added.
 385         * config/score/misc.md (insv, extv, extzv, movmemsi,
 386         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
 387         * config/score/score.c (score_address_cost, score_select_cc_mode):
 388         Added.
 389         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
 390         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
 391         Update score_print_operand.
 392         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
 393         Adjust register allocate order and update some macro define.
 394         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
 395         mdx_block_move_straight, mdx_block_move_loop_head,
 396         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
 397         mdx_block_move): Added.
 398         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
 399         mdp_limm): Updated and fix some bug and typo.
 400         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
 401         (movsf, movdf, doloop_end): Added.
 402
 403 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 404
 405         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
 406         config/arm/thumb2.md: Fix comment typos.
 407         * doc/extend.texi: Fix a typo.
 408
 409 2007-01-07  Eric Christopher  <echristo@apple.com>
 410
 411         * configure.ac: Check for __stack_chk_fail for darwin.
 412         * configure: Regenerate.
 413
 414 2007-01-07  Richard Guenther  <rguenther@suse.de>
 415
 416         * tree-vrp.c (extract_range_from_assert): CSE calls to
 417         compare_values where possible.
 418         (extract_range_from_unary_expr): Likewise.
 419
 420 2007-01-07  Anatoly Sokolov <aesok@post.ru>
 421
 422         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
 423         * config/avr/avr.c (call_insn_operand): Delete function.
 424         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
 425         instead of register number. Use predicates.
 426         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
 427         call_insn_operand): Add.
 428
 429 2007-01-06  Jan Hubicka  <jh@suse.cz>
 430
 431         * tree-pass.h (pass_build_cgraph_edges): Declare.
 432         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
 433         (visited_nodes): Remove.
 434         (cgraph_create_edges): Move to cgraphbuild.c; rename to
 435         build_cgrpah_edges; make visited_nodes local.
 436         (cgraph_process_new_functions): DO not call initialize_inline_failed.
 437         (record_references_in_initializer): Move to cgraphbuild.c
 438         (initialize_inline_failed, rebuild_cgraph_edges,
 439         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
 440         (verify_cgraph_node): Make visited_nodes local.
 441         (cgraph_analyze_function): Do not call cgraph_create_edges and
 442         initialize_inline_failed.
 443         (cgraph_expand_function): Do not call cgraph_lower_function;
 444         assert that function is already lowered.
 445         * Makefile.in (cgraphbuild.o): New.
 446         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
 447         at the end of lowering passes.
 448
 449 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
 450
 451         * ifcvt.c (cond_move_convert_if_block): New function, code
 452         factored out from...
 453         (cond_move_process_if_block): ...here.  Call the new function
 454         on the THEN and ELSE blocks.
 455         (merge_if_block): Do not copy global_live_at_end, merge_blocks
 456         already takes care of this.
 457
 458 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 459
 460         PR c/19978
 461         * tree.h (TREE_OVERFLOW_P): New.
 462         * c-typeck.c (parser_build_unary_op): Warn only if result
 463         overflowed and operands did not.
 464         (parser_build_binary_op): Likewise.
 465         (convert_for_assignment): Remove redundant overflow_warning.
 466         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
 467
 468 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 469
 470         * c-typeck.c (store_init_value): Split over two lines to follow
 471         the GNU coding style.
 472
 473 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
 474
 475         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
 476         __GXX_EXPERIMENTAL_CXX0X__.
 477         * doc/cpp.texi: Same.
 478
 479 2007-01-05  Richard Guenther  <rguenther@suse.de>
 480
 481         PR middle-end/27826
 482         * tree.c (get_narrower): Do not construct COMPONENT_REFs
 483         with mismatched types.  Instead explicitly build a
 484         conversion NOP_EXPR.
 485
 486 2007-01-05  Ian Lance Taylor  <iant@google.com>
 487
 488         * c-common.c (decl_with_nonnull_addr_p): New function.
 489         (c_common_truthvalue_conversion): Call it.
 490         * c-typeck.c (build_binary_op): Likewise.
 491         * c-common.h (decl_with_nonnull_addr_p): Declare.
 492
 493 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
 494
 495         PR c/30360
 496         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
 497         denom against 0.0.
 498
 499 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
 500
 501         * doc/install.texi (Final install): Document the fact that
 502         the GNAT runtime should not be stripped.
 503
 504 2007-01-04  Jan Hubicka  <jh@suse.cz>
 505
 506         * tree-inline.c (fold_marked_statements): Update operand caches
 507         and EH after folding
 508
 509 2007-01-04  Ian Lance Taylor  <iant@google.com>
 510
 511         * c-common.c (check_function_nonnull): Whitespace fix.
 512
 513 2007-01-04  Jan Hubicka  <jh@suse.cz>
 514
 515         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
 516         comitted older version of patch.
 517         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
 518         function, celanup cfg and collect garbage.
 519
 520 2007-01-04  Mike Stump  <mrs@apple.com>
 521
 522         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
 523         (clean): Likewise.
 524
 525 2007-01-04  Eric Christopher  <echristo@apple.com>
 526
 527         * libgcc2.c (__bswapsi2): Use SItype.
 528         (__bswapdi2): Use DItype.
 529         * libgcc2.h: Update for above.
 530
 531 2007-01-04  Paul Brook  <paul@codesourcery.com>
 532
 533         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
 534         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
 535         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
 536         umulsidi3, umulsidi3adddi, smulsi3_highpart,
 537         umulsi3_highpart): Make conditional on !arm_arch6.
 538         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
 539         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
 540         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
 541         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
 542         umulsi3_highpart_v6): New insns.
 543
 544 2007-01-04  Roger Sayle  <roger@eyesopen.com>
 545
 546         * fold-const.c (fold_convert): When casting an expression to void,
 547         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
 548         have a type.  Instead of attempting to build a NOP_EXPR, return
 549         these "special" trees directly.
 550
 551 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
 552
 553         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
 554         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
 555         rs6000_cost->fp not 0 as adjustment for outer NEG.
 556
 557 2007-01-04  Jan Hubicka  <jh@suse.cz>
 558
 559         * cgraph.c (cgraph_release_function_body): New function.
 560         (cgraph_remove_node): Use it.
 561         * cgraph.h (cgraph_release_function_body): Declare.
 562         * cgraphunit.c (cgraph_expand_function): Use it.
 563         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
 564         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
 565         is initialized and while compilation of other function is running.
 566         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
 567         statement CFG annotations from here to ...
 568         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
 569
 570 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
 571
 572         * cfgloop.h (enum li_flags): Make the constants powers of two.
 573
 574 2007-01-04  Jan Hubicka  <jh@suse.cz>
 575
 576         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
 577         set.
 578         (fold_marked_statements): New function.
 579         (optimize_inline_calls, tree_function_versioning): Fold new statements.
 580         * tree-inline.h (copy_body_data): Add statements_to_fold.
 581
 582 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
 583
 584         * config.gcc: Mention libgcc/config.host.
 585         * Makefile.in: Update comments mentioning libgcc.
 586         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
 587         (all.cross, start.encap, rest.encap, rest.cross): Update
 588         dependencies for libgcc move.
 589         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
 590         (clean-target, clean-target-libgcc): Delete.
 591         (srcdirify, GCC_EXTRA_PARTS): New macros.
 592         (libgcc-support, libgcc.mvars): New rules.
 593         (distclean): Remove mention of mklibgcc.
 594         (install): Don't reference INSTALL_LIBGCC.
 595         (install-common): Don't reference EXTRA_PARTS.
 596         (install-libgcc, install-multilib): Delete rules.
 597         * mklibgcc.in: Delete file.
 598         * doc/configfiles.texi: Don't mention mklibgcc.
 599
 600         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
 601         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
 602         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
 603         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
 604         (mklibgcc, ldblspecs): Likewise.
 605
 606         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
 607         (posixpre.def): Use $(T).
 608         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
 609         (SHLIB_SRC, SHLIB_INSTALL): Delete.
 610         (SHLIB_LINK): Make dummy.
 611         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
 612
 613         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
 614
 615         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
 616         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
 617         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
 618         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
 619
 620         * configure.ac (all_outputs): Remove mklibgcc.
 621         * configure: Regenerated.
 622
 623 2007-01-03  Josh Conner  <jconner@apple.com>
 624
 625         PR middle-end/29683
 626         * calls.c (compute_argument_addresses): Set stack and stack_slot
 627         for partial args, too.
 628         (store_one_arg): Use locate.size.constant for the size when
 629         generating a save_area.
 630
 631 2007-01-03  Robert Kennedy <jimbob@google.com>
 632
 633         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
 634         whose definitions are deleted due to basic block merging.
 635
 636 2007-01-03  Paul Brook  <paul@codesourcery.com>
 637
 638         PR target/16634
 639         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
 640         functions.
 641         (use_return_insn): Return 0 for Thumb interrupt functions.
 642         (print_multi_reg): Add rfe argument for IRQ returns.
 643         (arm_output_epilogue): Pop interrupt return address directly into PC.
 644         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
 645
 646 2007-01-03  Paul Brook  <paul@codesourcery.com>
 647
 648         Merge from sourcerygxx-4_1.
 649         * config/arm/thumb2.md: New file.
 650         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
 651         Thumb-2.
 652         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
 653         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 654         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
 655         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
 656         tables.
 657         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 658         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
 659         comptibility.
 660         * config/arm/ieee754-sf.S: Ditto.
 661         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
 662         (thumb1_base_register_rtx_p): ... to this.
 663         (thumb_index_register_rtx_p): Rename...
 664         (thumb1_index_register_rtx_p): ... to this.
 665         (thumb_output_function_prologue): Rename...
 666         (thumb1_output_function_prologue): ... to this.
 667         (thumb_legitimate_address_p): Rename...
 668         (thumb1_legitimate_address_p): ... to this.
 669         (thumb_rtx_costs): Rename...
 670         (thumb1_rtx_costs): ... to this.
 671         (thumb_compute_save_reg_mask): Rename...
 672         (thumb1_compute_save_reg_mask): ... to this.
 673         (thumb_final_prescan_insn): Rename...
 674         (thumb1_final_prescan_insn): ... to this.
 675         (thumb_expand_epilogue): Rename...
 676         (thumb1_expand_epilogue): ... to this.
 677         (arm_unwind_emit_stm): Rename...
 678         (arm_unwind_emit_sequence): ... to this.
 679         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
 680         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
 681         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
 682         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
 683         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
 684         thumb2_output_casesi): New functions.
 685         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
 686         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
 687         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
 688         THUMB2_WORK_REGS): Define.
 689         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
 690         arm_condexec_mask, arm_condexec_masklen)): New variables.
 691         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
 692         (arm_override_options): Check new CPU capabilities.
 693         Set new architecture flag variables.
 694         (arm_isr_value): Handle v7m interrupt functions.
 695         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
 696         Thumb-2.
 697         (const_ok_for_arm): Handle Thumb-2 constants.
 698         (arm_gen_constant): Ditto.  Use movw when available.
 699         (arm_function_ok_for_sibcall): Return false for v7m interrupt
 700         functions.
 701         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
 702         (thumb_find_work_register, arm_load_pic_register,
 703         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
 704         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
 705         print_multi_reg, output_mov_long_double_fpa_from_arm,
 706         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
 707         output_mov_double_fpa_from_arm, output_move_double,
 708         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
 709         output_return_instruction, arm_output_function_prologue,
 710         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
 711         arm_output_mi_thunk, thumb_set_return_address): Ditto.
 712         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
 713         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
 714         (arithmetic_instr, shift_op): Use arm_shift_nmem.
 715         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
 716         '!' and 'L'.
 717         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
 718         (thumb_expand_prologue): Use thumb_set_frame_pointer.
 719         (arm_file_start): Output directive for unified syntax.
 720         (arm_unwind_emit_set): Handle stack alignment instruction.
 721         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
 722         Add v6t2, v7, v7a, v7r and v7m.
 723         (RETLDM): Add Thumb-2 code.
 724         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
 725         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
 726         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
 727         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
 728         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
 729         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
 730         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
 731         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
 732         ADJUST_INSN_LENGTH): Define.
 733         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
 734         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
 735         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
 736         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
 737         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
 738         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
 739         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
 740         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
 741         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
 742         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
 743         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
 744         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
 745         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
 746         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
 747         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
 748         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
 749         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
 750         cortex-m3.
 751         * config/arm/arm-tune.md: Regenerate.
 752         * config/arm/arm-protos.h: Update prototypes.
 753         * config/arm/vfp.md: Enable patterns for Thumb-2.
 754         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
 755         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
 756         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
 757         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
 758         * config/arm/libunwind.S: Add Thumb-2 code.
 759         * config/arm/constraints.md: Update include Thumb-2.
 760         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
 761         * config/arm/ieee754-df.S: Ditto.
 762         * config/arm/bpabi.S: Ditto.
 763         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
 764         * config/arm/predicates.md (low_register_operand,
 765         low_reg_or_int_operand, thumb_16bit_operator): New.
 766         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
 767         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
 768         * config/arm/t-arm-elf: Add armv7 multilib.
 769         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
 770         Include thumb2.md.
 771         (UNSPEC_STACK_ALIGN, ce_count): New.
 772         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
 773         arm_zero_extendsidi2, arm_zero_extendqidi2): New
 774         insns/expanders.
 775         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
 776         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
 777         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
 778         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
 779         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
 780         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
 781         insns.
 782         * doc/extend.texi: Document ARMv7-M interrupt functions.
 783         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
 784
 785 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
 786
 787         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
 788         (struct _Unwind_Context): Rename args_size to flags, remove
 789         signal_frame field, add a new args_size field and version field.
 790         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
 791         _Unwind_IsExtendedContext): New inline functions.
 792         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
 793         Assume by_value array is only present if _Unwind_IsExtendedContext.
 794         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
 795         _Unwind_IsSignalFrame.
 796         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
 797         (uw_update_context_1): Use _Unwind_SetSignalFrame.
 798         (uw_init_context_1): Initialize context->flags to
 799         EXTENDED_CONTEXT_BIT.
 800         * config/rs6000/linux-unwind.h (frob_update_context): Use
 801         _Unwind_SetSignalFrame.
 802
 803 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 804
 805         PR middle-end/30353
 806         * gimplify.c (gimplify_modify_expr_complex_part): Move below
 807         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
 808         the value.
 809
 810 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
 811
 812         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
 813         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
 814         RET, AT_SP): Remove.
 815         * config/i386/i386.md (*sse_prologue_save_insn): Use return
 816         instead of RET.
 817
 818         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 819         * cfgbuild.c (find_basic_blocks): Likewise.
 820         * cfgrtl.c (rtl_create_basic_block): Likewise.
 821         * function.c (temp_slots_at_level): Likewise.
 822         * reg-stack.c (stack_regs_mentioned): Likewise.
 823         * regclass.c (allocate_reg_info): Likewise.
 824         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 825         set_bb_for_stmt, move_block_to_fn): Likewise.
 826         * tree-complex.c (tree_lower_complex): Likewise.
 827         * vec.h (VEC_safe_grow_cleared): New.
 828
 829         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
 830
 831 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
 832
 833         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
 834         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
 835         to loop_version.
 836         * cfgloopmanip.c (scale_loop_frequencies): Export.
 837         (loopify): Scale the frequencies by prescribed coefficients.
 838         (set_zero_probability): New function.
 839         (duplicate_loop_to_header_edge): Improve updating of frequencies.
 840         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
 841         and frequencies according to arguments.
 842         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
 843         correctly.
 844         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
 845         * modulo-sched.c (sms_schedule): Set probabilities for entering
 846         versioned loop correctly.
 847         * tree-vect-transform.c (vect_transform_loop): Ditto.
 848         * cfgloop.h (loopify, loop_version): Declaration changed.
 849         (scale_loop_frequencies): Declared.
 850
 851 2007-01-02  Jan Hubicka  <jh@suse.cz>
 852
 853         * cgraph.c: Include tree-flow.h
 854         (cgraph_add_new-function): Handle IPA_SSA mode; execute
 855         early_local_passes.
 856         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
 857         * tree-pass.h (pass_all_early_optimizations): Declare.
 858         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
 859         early_local_passes.
 860         (cgraph_analyze_function): Do early_local_passes.
 861         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 862         Do not add referenced vars.
 863         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
 864         SSA form.
 865         (gate_all_early_local_passes): New gate.
 866         (pass_early_local_passes): Use new gate.
 867         (execute_early_local_optimizations): New functions.
 868         (gate_all_early_optimizations): New gate.
 869         (pass_all_early_optimizations): New pass.
 870         (execute_free_datastructures): Free SSA only when initialized.
 871         (gate_init_datastructures): Init only when optimizing.
 872         (tree_lowering_passes): Do early local passes when called late.
 873         * tree-profile.c (do_tree_profiling): Don't profile functions added
 874         late.
 875         (do_early_tree_profiling, pass_early_tree_profile): Kill.
 876         * tree-cfg.c (update_modified_stmts): Do not update when operands are
 877         not active.
 878         * passes.c (init_optimizations_passes): Reorder so we go into SSA
 879         during early_local_passes.
 880         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
 881
 882
 883 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 884
 885         * Makefile.in: Update copyright year.
 886
 887 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 888
 889         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
 890         in $(lang_checks) and check-consistency targets.
 891
 892 2007-01-02  Jan Hubicka  <jh@suse.cz>
 893
 894         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 895         Do not add referenced vars.
 896         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
 897         are not active.
 898         * passes.c (init_optimization_passes): Put mudflap_2 after
 899         free_datastructures.
 900
 901 2007-01-02  Jan Hubicka  <jh@suse.cz>
 902
 903         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
 904         Set NOTHROW flag on call statements proved to be nothrow.
 905         Update statement of local calls so new pure/const functions are
 906         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
 907         goto receivers.
 908         (tree_rest_of_compilation): Register hooks and initialize bitmap
 909         early. Do not set after_inlining flag.
 910
 911 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
 912
 913         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
 914         HOST_BITS_PER_LONGLONG
 915
 916 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 917
 918         PR c/19977
 919         * c-typeck.c (store_init_value): Don't emit pedantic overflow
 920         warning for non-static initializers.
 921
 922 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
 923
 924         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
 925         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
 926         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
 927         Always use set_unique_reg_note to add REG_EQUAL notes.
 928
 929 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 930
 931         Revert:
 932         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 933
 934         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 935         * cfgbuild.c (find_basic_blocks): Likewise.
 936         * cfgrtl.c (rtl_create_basic_block): Likewise.
 937         * function.c (temp_slots_at_level): Likewise.
 938         * reg-stack.c (stack_regs_mentioned): Likewise.
 939         * regclass.c (allocate_reg_info): Likewise.
 940         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 941         set_bb_for_stmt, move_block_to_fn): Likewise.
 942         * tree-complex.c (tree_lower_complex): Likewise.
 943         * vec.h (VEC_safe_grow_cleared): New.
 944
 945 2007-01-02  Ian Lance Taylor  <iant@google.com>
 946
 947         * c-common.c (c_common_truthvalue_conversion): When warning about
 948         using an assignment as a truth value, set TREE_NO_WARNING.
 949
 950 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 951
 952         PR middle-end/7651
 953         * c.opt (Wold-style-declaration): New.
 954         * doc/invoke.texi (C-only Warning Options): New.
 955         (Wold-style-declaration): Document it.
 956         (Wextra): Enabled by -Wextra.
 957         * c-opts.c (c_common_post_options): Enabled by -Wextra.
 958         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
 959         -Wold-style-declaration.
 960
 961 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 962
 963         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 964         * cfgbuild.c (find_basic_blocks): Likewise.
 965         * cfgrtl.c (rtl_create_basic_block): Likewise.
 966         * function.c (temp_slots_at_level): Likewise.
 967         * reg-stack.c (stack_regs_mentioned): Likewise.
 968         * regclass.c (allocate_reg_info): Likewise.
 969         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 970         set_bb_for_stmt, move_block_to_fn): Likewise.
 971         * tree-complex.c (tree_lower_complex): Likewise.
 972         * vec.h (VEC_safe_grow_cleared): New.
 973
 974 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
 975
 976         * c-common.c(c_common_nodes_and_builtins): Since variants of
 977         void_type_node get built before it is given a name, we need to
 978         give those variants the name, too.
 979         (complete_array_type): We need to work with the canonical main
 980         type of the array, from which we will build the qualified version.
 981         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
 982         * print-tree.c (print_node): Display canonical type information
 983         for each type.
 984         * stor-layout.c (layout_type): When we don't know the
 985         alignment of a type for which we're building an array, we end up
 986         guessing wrong, so make the type require structural equality.
 987         * tree.c (make_node_stat): When we build a new type, it is its
 988         own canonical type.
 989         (build_type_attribute_qual_variant): When building an attribute
 990         variant, its canonical type is the non-attribute variant. However,
 991         if the attributes are target-dependent and they differ, we need to
 992         use structural equality checks for this type.
 993         (build_qualified_type): A qualified type is not equivalent to its
 994         unqualified variant; set the canonical type appropriately.
 995         (build_distinct_type_copy): When building a distinct type from
 996         another type, the new type is its own canonical type.
 997         (build_variant_type_copy): When building a new type variant, we
 998         assume that it is equivalent to the original type.
 999         (build_pointer_type_for_mode): When building a pointer type, also
1000         build a canonical type pointer.
1001         (build_reference_type_for_mode): When building a reference type,
1002         also build a canonical type reference.
1003         (build_index_type): When we can't hash an index type (e.g.,
1004         because its maximum value is negative), the index type requires
1005         structural equality tests.
1006         (build_array_type): Build the canonical form of an array type.
1007         (build_function_type): Function types require structural equality,
1008         because they contain default arguments, attributes, etc.
1009         (build_method_type_directly): Ditto for method types.
1010         (build_offset_type): Build the canonical offset type.
1011         (build_complex_type): Build the canonical vector type.
1012         (make_vector_type): Build the canonical vector type.
1013         * tree.h (TYPE_CANONICAL): New.
1014         (TYPE_STRUCTURAL_EQUALITY_P): New.
1015         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1016         (struct tree_type): Added "canonical" field.
1017         * params.h (VERIFY_CANONICAL_TYPES): New.
1018         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1019         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1020         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1021         * doc/invoke.texi (verify-canonical-types): Document --param
1022         parameter for verifying canonical types.
1023
1024 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1025
1026         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1027         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1028         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1029         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1030         tm_file.
1031         * config/rs6000/e500.h: New.
1032         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1033         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1034         Remove.
1035         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1036         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1037         TARGET_E500_DOUBLE): Remove.
1038         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1039         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1040         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1041         * config/rs6000/rs6000.c (rs6000_override_options): Use
1042         CHECK_E500_OPTIONS.
1043
1044 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1045
1046         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1047         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1048         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1049         rs6000_emit_cmove): Don't check TARGET_E500.
1050         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1051         sordered): Don't check TARGET_E500.
1052
1053 2007-01-01  Eric Christopher  <echristo@apple.com>
1054
1055         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1056         HARD_REGISTER_NUM_P.
1057
1058 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1059
1060         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1061         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1062         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1063         eq/ne Y".
1064
1065 2007-01-01  Mike Stump  <mrs@apple.com>
1066
1067         * configure.ac: Remove support for building with Apple's gcc-3.1.
1068
1069 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1070
1071         PR middle-end/30311
1072         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1073         REG is a hard register.  Do not modify REG before calling
1074         subreg_nregs.
1075         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1076         multiple of the size of YMODE for certain lowpart cases.
1077
1078 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1079
1080         PR middle-end/30253
1081         * gimplify (voidify_wrapper_expr): Update for
1082         GIMPLE_MODIFY_STMT.
1083
1084 2007-01-01  Andreas Schwab  <schwab@suse.de>
1085
1086         PR target/29166
1087         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1088         save of BR0 in extra_spill_size instead of spill_size.
1089         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1090         area.
1091         (ia64_expand_epilogue): Restore BR0 from its new location.
1092
1093 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1094
1095         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1096         Use a temporary variable if the left hand side is not a gimple
1097         register.
1098
1099 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1100
1101         * gimplify.c (gimplify_return_expr): Make the temporary variable
1102         for the return expression, a gimple register variable.
1103
1104 2007-01-01  Jan Hubicka  <jh@suse.cz>
1105
1106         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1107         INSN_LIST.
1108
1109 2007-01-01  Mike Stump  <mrs@apple.com>
1110
1111         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1112         .literal16.
1113         * config/darwin.c (machopic_select_rtx_section): Use
1114         HAVE_GAS_LITERAL16.
1115         (darwin_mergeable_constant_section): Likewise.
1116         * configure: Regenerate.
1117         * config.in: Regenerate.
1118
1119 2007-01-01  Jan Hubicka  <jh@suse.cz>
1120             Andrew Pinski  <pinskia@gmail.com>
1121
1122         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1123         before starting IPA passes.