gcc/ChangeLog

   1 2007-01-11  Roger Sayle  <roger@eyesopen.com>
   2
   3         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
   4         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
   5
   6 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
   7
   8         * configure.ac (strict1_warn): Rename to strict_warn.
   9         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
  10         cc_set_by_configure, quoted_cc_set_by_configure,
  11         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
  12         all_boot_languages, all_stagestuff): Remove.
  13         (target_list): Remove bootstrap targets.
  14         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
  15         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
  16         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
  17         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
  18         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
  19         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
  20         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
  21         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
  22         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
  23         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
  24         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
  25         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
  26         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
  27         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
  28         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
  29         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
  30         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
  31         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
  32         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
  33         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
  34         (mostlyclean): Adjust.
  35         (clean, distclean): Don't mention bootstrap stuff.
  36         * configure: Regenerate.
  37         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
  38         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
  39         treelang/config-lang.in (stagestuff): Remove.
  40         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
  41         stageprofile, stagefeedback, stagestuff): Remove mention.
  42
  43 2007-01-11  Nick Clifton  <nickc@redhat.com>
  44
  45         * config/mcore/predicates.md (mcore_general_movesrc_operand):
  46         Accept CONSTs.
  47         (mcore_general_movdst_operand): Do not accept CONST_INTs.
  48         (mcore_arith_K_S_operand): Run the test for the S constraint not
  49         the test for the M constraint.
  50         (mcore_addsub_operand): Do not accept integer values that are
  51         larger than 32 bits.
  52         * config/mcore/mcore.md: Remove unused constraints from split.
  53         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
  54         (addsi3): Likewise.
  55         (allocate_stack): Likewise.
  56         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
  57         operands to 32 bits.
  58         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
  59         INTVAL.
  60         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
  61         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
  62         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
  63         mcore_output_bclri, mcore_output_andn, output_inline_const,
  64         mcore_output_move, mcore_output_movedouble): Likewise.
  65         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
  66         (output_inline_const): Likewise.
  67         (output_inline_const): Fix format strings used in sprintf
  68         statements.
  69         * config/mcore/mcore-protos.h: Update prototypes for changed
  70         functions in mcore.c.
  71         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
  72         HOST_WIDE_INT and not int.
  73         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
  74         CONST_OK_FOR_N): Likewise.
  75         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
  76         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
  77         an INTVAL.
  78
  79 2007-01-10  Jan Hubicka  <jh@suse.cz>
  80
  81         * tree-vrp.c (remove_range_assertions): Release defs.
  82         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
  83         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
  84
  85 2007-01-10  Paul Brook  <paul@codesourcery.com>
  86
  87         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
  88         * config/arm/arm.md (mulsi3subsi): New insn.
  89
  90 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
  91
  92         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
  93         (tree_transform_and_unroll_loop): New.
  94         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
  95         Declare.
  96
  97 2007-01-10  Robert Kennedy <jimbob@google.com>
  98
  99         * fold-const.c (fold_comparison): Fold comparisons like (x *
 100         1000 < 0) to (x < 0).
 101
 102 2007-01-10  Ian Lance Taylor  <iant@google.com>
 103
 104         * tree-pretty-print.c (dump_generic_node): Print parentheses when
 105         operands have the same priority.
 106
 107 2007-01-10  Tom Tromey  <tromey@redhat.com>
 108
 109         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
 110         (fold_binary): Likewise.
 111         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
 112         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
 113         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
 114         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
 115         * langhooks.h (struct lang_hooks): Removed field
 116         'can_use_bit_fields_p'.
 117
 118 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
 119
 120         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
 121
 122 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
 123
 124         * function.c (get_last_funcdef_no): New function.
 125         * function.h (get_last_funcdef_no): Declare.
 126         * tree-inline.c (initialize_cfun): Add initialization.
 127         (tree_function_versioning): Cleanup.
 128
 129 2007-01-10  Jan Hubicka  <jh@suse.cz>
 130
 131         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
 132         PHIs.
 133
 134 2007-01-10  Sa Liu  <saliu@de.ibm.com>
 135             Ben Elliston  <bje@au.ibm.com>
 136
 137         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
 138         for SAVE_NONLOCAL and Pmode for any other save level.
 139         * spu-protos.h (spu_restore_stack_block): Declare.
 140         * spu.md (save_stack_block): Remove.
 141         (restore_stack_block): Call spu_restore_stack_block.
 142         * spu.c (spu_restore_stack_block): New function.
 143         (spu_expand_epilogue): Remove old comment.
 144
 145 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
 146
 147         PR tree-optimization/30322
 148         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
 149         (cand_value_at): Return the value as aff_tree.
 150         (may_eliminate_iv): Convert the bound from aff_tree to tree.
 151         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
 152         aff_combination_mult): New functions.
 153         (aff_combination_add): Use aff_combination_add_cst.
 154         (aff_combination_convert): Allow conversions to a wider type.
 155         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
 156         * tree-affine.h (aff_combination_mult): Declare.
 157
 158 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
 159
 160         * doc/tm.texi: Update documentation to reflect reality of exec
 161         and start file search behaviours. Update copyright year.
 162         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
 163         header file directories.
 164
 165 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
 166
 167         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
 168         (*cosxf2): Rename to cosxf2_i387.
 169
 170         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
 171         using X87MODEF12 mode macro. Rename patterns to
 172         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
 173         for SSE math.
 174         (*cosdf2, *cossf2): Ditto.
 175         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
 176         to match extended input operands.
 177
 178         (sincos<mode>3): New expander.
 179
 180         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
 181         insn patterns and corresponding splitters.
 182
 183 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
 184
 185         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
 186         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
 187
 188 2007-01-09  Nicolas Pitre  <nico@cam.org>
 189
 190         PR target/30173
 191         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
 192
 193 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 194
 195         * target.h (struct gcc_target): New field library_rtti_comdat.
 196         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
 197         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
 198         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
 199         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
 200
 201 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 202
 203         * doc/invoke.texi (Optimize Options): Correct description of -O0.
 204
 205 2007-01-08  Richard Guenther  <rguenther@suse.de>
 206
 207         * tree.h (force_fit_type_double): Export.
 208         (force_fit_type): Remove.
 209         * fold-const.c (force_fit_type_double): New function.
 210         (force_fit_type): Remove.
 211         (int_const_binop): Use it.
 212         (fold_convert_const_int_from_int): Likewise.
 213         (fold_convert_const_int_from_real): Likewise.
 214         (fold_div_compare): Likewise.
 215         (fold_sign_changed_comparison): Likewise.
 216         (fold_unary): Likewise.
 217         (fold_negate_const): Likewise.
 218         (fold_abs_const): Likewise.
 219         (fold_not_const): Likewise.
 220         * c-common.c (shorten_compare): Use force_fit_type_double.
 221         * convert.c (convert_to_pointer): Likewise.
 222
 223 2007-01-08  Richard Guenther  <rguenther@suse.de>
 224
 225         * tree.h (build_int_cst_wide_type): Export.
 226         * tree.c (build_int_cst_wide_type): New function.
 227         (build_int_cst_wide): Fix comment.
 228         * builtins.c (fold_builtin_object_size): Use build_int_cst
 229         to build -1 or 0 of the correct type.  Use fit_double_type
 230         to check for overflow.
 231         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
 232         to build the mask.
 233         (decode_field_reference): Likewise.
 234         (all_ones_mask_p): Likewise.
 235         (native_interpret_int): Use build_int_cst_wide_type.
 236         (fold_binary): Use build_int_cst_type to build an all-ones
 237         value.
 238         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
 239
 240 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
 241
 242         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
 243
 244 2007-01-09  Ben Elliston  <bje@au.ibm.com>
 245
 246         * genautomata.c (STATS_OPTION): New option.
 247         (stats_flag): New flag.
 248         (gen_automata_option): Handle it.
 249         (initiate_automaton_gen): Ditto.
 250         (write_automata): Output statistics only if stats_flag is
 251         set. Likewise, output time statistics only if time_flag is set.
 252         * doc/md.texi (Processor pipeline description): Document new flag.
 253
 254 2007-01-08  Richard Guenther  <rguenther@suse.de>
 255
 256         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
 257         * tree.c (build_int_cst_type): Likewise.
 258         (size_in_bytes): Don't call force_fit_type on the result.
 259         (int_fits_type_p): Use fit_double_type.
 260         * fold-const.c (fit_double_type): New function.
 261         (force_fit_type): Use it.
 262         * tree.h (fit_double_type): Export.
 263
 264 2007-01-08  Jan Hubicka  <jh@suse.cz>
 265
 266         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
 267         * ipa.c (function_and_variable_visibility): Fix return type.
 268
 269 2007-01-08  Richard Guenther  <rguenther@suse.de>
 270
 271         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
 272         of offset to build the index.
 273         * tree-pretty-print.c (dump_generic_node): Don't build negated
 274         const just for printing.
 275         * c-pretty-print.c (pp_c_integer_constant): Likewise.
 276         * builtins.c (fold_builtin_int_roundingfn): Check if result
 277         fits the type by using force_fit_type and comparing the result.
 278         * predict.c (predict_loops): Use compare_tree_int for comparison.
 279         * tree.c (build_int_cst): Fall back to integer_type_node for
 280         NULL_TREE type.
 281         (build_int_cst_wide): Assert type is non-null.
 282
 283 2007-01-08  Roberto Costa  <roberto.costa@st.com>
 284
 285         * tree-vrp.c (extract_range_from_cond_expr): New.
 286         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
 287         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
 288         as expressions.
 289         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
 290         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
 291         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
 292         used as expressions.
 293         * tree-object-size.c (cond_expr_object_size): New.
 294         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
 295
 296 2007-01-08  Jan Hubicka  <jh@suse.cz>
 297
 298         * tree-ssa-forwprop.c (forward_propagate_into_cond,
 299         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
 300         statement.
 301
 302 2007-01-08  Richard Guenther  <rguenther@suse.de>
 303
 304         PR tree-optimization/23603
 305         * tree-vrp.c (set_value_range_to_truthvalue): New function.
 306         (extract_range_from_binary): Fall back to truthvalue instead of
 307         varying for TRUTH_*_EXPR.
 308         (extract_range_from_comparison): Fall back to truthvalue instead of
 309         varying.
 310         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
 311         if all visited PHI values were constant.
 312
 313 2007-01-08  Jan Hubicka  <jh@suse.cz>
 314
 315         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
 316         (cgraph_analyze_function): break out from ...
 317         (cgraph_finalize_compilation_unit): ... here.
 318         (cgraph_expand_function): Remove forgoten commented out line.
 319         (cgraph_optimize): Analyze functions.
 320
 321 2007-01-08  Jan Hubicka  <jh@suse.cz>
 322
 323         * tree-pas.h (TODO_remove_function): New flag.
 324         (TODO_update*): Renumber.
 325         (pass_ipa_increase_alignment,
 326         pass_ipa_function_and_variable_visibility): New passes.
 327         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
 328         (cgraph_function_and_variable_visibility): Move to ipa.c
 329         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
 330         cgraph_increase_alignment.
 331         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
 332         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
 333         calling tree-inline.
 334         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
 335         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
 336         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
 337         (gate_increase_alignment): New function.
 338         (pass_ipa_increase_alignment): New pass.
 339         * ipa.c: Inline tree-pass.h and timevar.h
 340         (function_and_variable_visibility): Move here from cgraphunit.c
 341         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
 342         * passes.c (init_optimization_passes): Add the two new passes.
 343         (execute_todo): Handle cgraph_remove_functions.
 344
 345 2007-01-08  Nick Clifton  <nickc@redhat.com>
 346
 347         * config/frv/predicates.md (reg_or_0_operand): Accept
 348         CONST_DOUBLEs.
 349
 350 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
 351
 352         * config/bfin/rtems.h, config/bfin/t-rtems: New.
 353         * config.gcc: Add bfin*-rtems*.
 354
 355 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 356
 357         * c.opt: Add -flax-vector-conversions.
 358         * c-typeck.c (convert_for_assignment): Pass flag to
 359         vector_types_convertible_p to allow emission of note.
 360         (digest_init): Likewise.
 361         * c-opts.c: Handle -flax-vector-conversions.
 362         * c-common.c (flag_lax_vector_conversions): New.
 363         (vector_types_convertible_p): Unless -flax-vector conversions
 364         has been passed, disallow conversions between vectors with
 365         differing numbers of subparts and/or element types.  If such
 366         a conversion is disallowed, possibly emit a note on the first
 367         occasion only to inform the user of -flax-vector-conversions.
 368         The new last argument specifies this.
 369         * c-common.h (flag_lax_vector_conversions): New.
 370         (vector_types_convertible_p): Add extra argument.
 371         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
 372         char_type_node for V*QI type vectors.
 373         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
 374         Update to satisfy new typechecking rules.
 375         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
 376         C and C++ variants.
 377         * doc/invoke.texi (C Dialect Options): Document
 378         -flax-vector-conversions.
 379
 380 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 381
 382         PR tree-optimization/29877
 383         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
 384         a register variable on the RHS to not be replaceable.
 385
 386 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
 387         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
 388         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
 389         const_simm15, const_pow2, const_npow2): Added.
 390         * config/score/misc.md (insv, extv, extzv, movmemsi,
 391         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
 392         * config/score/score.c (score_address_cost, score_select_cc_mode):
 393         Added.
 394         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
 395         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
 396         Update score_print_operand.
 397         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
 398         Adjust register allocate order and update some macro define.
 399         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
 400         mdx_block_move_straight, mdx_block_move_loop_head,
 401         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
 402         mdx_block_move): Added.
 403         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
 404         mdp_limm): Updated and fix some bug and typo.
 405         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
 406         (movsf, movdf, doloop_end): Added.
 407
 408 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 409
 410         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
 411         config/arm/thumb2.md: Fix comment typos.
 412         * doc/extend.texi: Fix a typo.
 413
 414 2007-01-07  Eric Christopher  <echristo@apple.com>
 415
 416         * configure.ac: Check for __stack_chk_fail for darwin.
 417         * configure: Regenerate.
 418
 419 2007-01-07  Richard Guenther  <rguenther@suse.de>
 420
 421         * tree-vrp.c (extract_range_from_assert): CSE calls to
 422         compare_values where possible.
 423         (extract_range_from_unary_expr): Likewise.
 424
 425 2007-01-07  Anatoly Sokolov <aesok@post.ru>
 426
 427         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
 428         * config/avr/avr.c (call_insn_operand): Delete function.
 429         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
 430         instead of register number. Use predicates.
 431         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
 432         call_insn_operand): Add.
 433
 434 2007-01-06  Jan Hubicka  <jh@suse.cz>
 435
 436         * tree-pass.h (pass_build_cgraph_edges): Declare.
 437         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
 438         (visited_nodes): Remove.
 439         (cgraph_create_edges): Move to cgraphbuild.c; rename to
 440         build_cgrpah_edges; make visited_nodes local.
 441         (cgraph_process_new_functions): DO not call initialize_inline_failed.
 442         (record_references_in_initializer): Move to cgraphbuild.c
 443         (initialize_inline_failed, rebuild_cgraph_edges,
 444         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
 445         (verify_cgraph_node): Make visited_nodes local.
 446         (cgraph_analyze_function): Do not call cgraph_create_edges and
 447         initialize_inline_failed.
 448         (cgraph_expand_function): Do not call cgraph_lower_function;
 449         assert that function is already lowered.
 450         * Makefile.in (cgraphbuild.o): New.
 451         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
 452         at the end of lowering passes.
 453
 454 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
 455
 456         * ifcvt.c (cond_move_convert_if_block): New function, code
 457         factored out from...
 458         (cond_move_process_if_block): ...here.  Call the new function
 459         on the THEN and ELSE blocks.
 460         (merge_if_block): Do not copy global_live_at_end, merge_blocks
 461         already takes care of this.
 462
 463 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 464
 465         PR c/19978
 466         * tree.h (TREE_OVERFLOW_P): New.
 467         * c-typeck.c (parser_build_unary_op): Warn only if result
 468         overflowed and operands did not.
 469         (parser_build_binary_op): Likewise.
 470         (convert_for_assignment): Remove redundant overflow_warning.
 471         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
 472
 473 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 474
 475         * c-typeck.c (store_init_value): Split over two lines to follow
 476         the GNU coding style.
 477
 478 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
 479
 480         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
 481         __GXX_EXPERIMENTAL_CXX0X__.
 482         * doc/cpp.texi: Same.
 483
 484 2007-01-05  Richard Guenther  <rguenther@suse.de>
 485
 486         PR middle-end/27826
 487         * tree.c (get_narrower): Do not construct COMPONENT_REFs
 488         with mismatched types.  Instead explicitly build a
 489         conversion NOP_EXPR.
 490
 491 2007-01-05  Ian Lance Taylor  <iant@google.com>
 492
 493         * c-common.c (decl_with_nonnull_addr_p): New function.
 494         (c_common_truthvalue_conversion): Call it.
 495         * c-typeck.c (build_binary_op): Likewise.
 496         * c-common.h (decl_with_nonnull_addr_p): Declare.
 497
 498 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
 499
 500         PR c/30360
 501         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
 502         denom against 0.0.
 503
 504 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
 505
 506         * doc/install.texi (Final install): Document the fact that
 507         the GNAT runtime should not be stripped.
 508
 509 2007-01-04  Jan Hubicka  <jh@suse.cz>
 510
 511         * tree-inline.c (fold_marked_statements): Update operand caches
 512         and EH after folding
 513
 514 2007-01-04  Ian Lance Taylor  <iant@google.com>
 515
 516         * c-common.c (check_function_nonnull): Whitespace fix.
 517
 518 2007-01-04  Jan Hubicka  <jh@suse.cz>
 519
 520         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
 521         comitted older version of patch.
 522         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
 523         function, celanup cfg and collect garbage.
 524
 525 2007-01-04  Mike Stump  <mrs@apple.com>
 526
 527         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
 528         (clean): Likewise.
 529
 530 2007-01-04  Eric Christopher  <echristo@apple.com>
 531
 532         * libgcc2.c (__bswapsi2): Use SItype.
 533         (__bswapdi2): Use DItype.
 534         * libgcc2.h: Update for above.
 535
 536 2007-01-04  Paul Brook  <paul@codesourcery.com>
 537
 538         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
 539         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
 540         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
 541         umulsidi3, umulsidi3adddi, smulsi3_highpart,
 542         umulsi3_highpart): Make conditional on !arm_arch6.
 543         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
 544         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
 545         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
 546         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
 547         umulsi3_highpart_v6): New insns.
 548
 549 2007-01-04  Roger Sayle  <roger@eyesopen.com>
 550
 551         * fold-const.c (fold_convert): When casting an expression to void,
 552         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
 553         have a type.  Instead of attempting to build a NOP_EXPR, return
 554         these "special" trees directly.
 555
 556 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
 557
 558         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
 559         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
 560         rs6000_cost->fp not 0 as adjustment for outer NEG.
 561
 562 2007-01-04  Jan Hubicka  <jh@suse.cz>
 563
 564         * cgraph.c (cgraph_release_function_body): New function.
 565         (cgraph_remove_node): Use it.
 566         * cgraph.h (cgraph_release_function_body): Declare.
 567         * cgraphunit.c (cgraph_expand_function): Use it.
 568         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
 569         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
 570         is initialized and while compilation of other function is running.
 571         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
 572         statement CFG annotations from here to ...
 573         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
 574
 575 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
 576
 577         * cfgloop.h (enum li_flags): Make the constants powers of two.
 578
 579 2007-01-04  Jan Hubicka  <jh@suse.cz>
 580
 581         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
 582         set.
 583         (fold_marked_statements): New function.
 584         (optimize_inline_calls, tree_function_versioning): Fold new statements.
 585         * tree-inline.h (copy_body_data): Add statements_to_fold.
 586
 587 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
 588
 589         * config.gcc: Mention libgcc/config.host.
 590         * Makefile.in: Update comments mentioning libgcc.
 591         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
 592         (all.cross, start.encap, rest.encap, rest.cross): Update
 593         dependencies for libgcc move.
 594         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
 595         (clean-target, clean-target-libgcc): Delete.
 596         (srcdirify, GCC_EXTRA_PARTS): New macros.
 597         (libgcc-support, libgcc.mvars): New rules.
 598         (distclean): Remove mention of mklibgcc.
 599         (install): Don't reference INSTALL_LIBGCC.
 600         (install-common): Don't reference EXTRA_PARTS.
 601         (install-libgcc, install-multilib): Delete rules.
 602         * mklibgcc.in: Delete file.
 603         * doc/configfiles.texi: Don't mention mklibgcc.
 604
 605         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
 606         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
 607         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
 608         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
 609         (mklibgcc, ldblspecs): Likewise.
 610
 611         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
 612         (posixpre.def): Use $(T).
 613         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
 614         (SHLIB_SRC, SHLIB_INSTALL): Delete.
 615         (SHLIB_LINK): Make dummy.
 616         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
 617
 618         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
 619
 620         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
 621         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
 622         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
 623         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
 624
 625         * configure.ac (all_outputs): Remove mklibgcc.
 626         * configure: Regenerated.
 627
 628 2007-01-03  Josh Conner  <jconner@apple.com>
 629
 630         PR middle-end/29683
 631         * calls.c (compute_argument_addresses): Set stack and stack_slot
 632         for partial args, too.
 633         (store_one_arg): Use locate.size.constant for the size when
 634         generating a save_area.
 635
 636 2007-01-03  Robert Kennedy <jimbob@google.com>
 637
 638         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
 639         whose definitions are deleted due to basic block merging.
 640
 641 2007-01-03  Paul Brook  <paul@codesourcery.com>
 642
 643         PR target/16634
 644         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
 645         functions.
 646         (use_return_insn): Return 0 for Thumb interrupt functions.
 647         (print_multi_reg): Add rfe argument for IRQ returns.
 648         (arm_output_epilogue): Pop interrupt return address directly into PC.
 649         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
 650
 651 2007-01-03  Paul Brook  <paul@codesourcery.com>
 652
 653         Merge from sourcerygxx-4_1.
 654         * config/arm/thumb2.md: New file.
 655         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
 656         Thumb-2.
 657         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
 658         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 659         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
 660         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
 661         tables.
 662         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
 663         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
 664         comptibility.
 665         * config/arm/ieee754-sf.S: Ditto.
 666         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
 667         (thumb1_base_register_rtx_p): ... to this.
 668         (thumb_index_register_rtx_p): Rename...
 669         (thumb1_index_register_rtx_p): ... to this.
 670         (thumb_output_function_prologue): Rename...
 671         (thumb1_output_function_prologue): ... to this.
 672         (thumb_legitimate_address_p): Rename...
 673         (thumb1_legitimate_address_p): ... to this.
 674         (thumb_rtx_costs): Rename...
 675         (thumb1_rtx_costs): ... to this.
 676         (thumb_compute_save_reg_mask): Rename...
 677         (thumb1_compute_save_reg_mask): ... to this.
 678         (thumb_final_prescan_insn): Rename...
 679         (thumb1_final_prescan_insn): ... to this.
 680         (thumb_expand_epilogue): Rename...
 681         (thumb1_expand_epilogue): ... to this.
 682         (arm_unwind_emit_stm): Rename...
 683         (arm_unwind_emit_sequence): ... to this.
 684         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
 685         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
 686         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
 687         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
 688         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
 689         thumb2_output_casesi): New functions.
 690         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
 691         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
 692         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
 693         THUMB2_WORK_REGS): Define.
 694         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
 695         arm_condexec_mask, arm_condexec_masklen)): New variables.
 696         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
 697         (arm_override_options): Check new CPU capabilities.
 698         Set new architecture flag variables.
 699         (arm_isr_value): Handle v7m interrupt functions.
 700         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
 701         Thumb-2.
 702         (const_ok_for_arm): Handle Thumb-2 constants.
 703         (arm_gen_constant): Ditto.  Use movw when available.
 704         (arm_function_ok_for_sibcall): Return false for v7m interrupt
 705         functions.
 706         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
 707         (thumb_find_work_register, arm_load_pic_register,
 708         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
 709         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
 710         print_multi_reg, output_mov_long_double_fpa_from_arm,
 711         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
 712         output_mov_double_fpa_from_arm, output_move_double,
 713         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
 714         output_return_instruction, arm_output_function_prologue,
 715         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
 716         arm_output_mi_thunk, thumb_set_return_address): Ditto.
 717         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
 718         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
 719         (arithmetic_instr, shift_op): Use arm_shift_nmem.
 720         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
 721         '!' and 'L'.
 722         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
 723         (thumb_expand_prologue): Use thumb_set_frame_pointer.
 724         (arm_file_start): Output directive for unified syntax.
 725         (arm_unwind_emit_set): Handle stack alignment instruction.
 726         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
 727         Add v6t2, v7, v7a, v7r and v7m.
 728         (RETLDM): Add Thumb-2 code.
 729         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
 730         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
 731         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
 732         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
 733         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
 734         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
 735         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
 736         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
 737         ADJUST_INSN_LENGTH): Define.
 738         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
 739         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
 740         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
 741         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
 742         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
 743         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
 744         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
 745         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
 746         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
 747         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
 748         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
 749         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
 750         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
 751         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
 752         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
 753         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
 754         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
 755         cortex-m3.
 756         * config/arm/arm-tune.md: Regenerate.
 757         * config/arm/arm-protos.h: Update prototypes.
 758         * config/arm/vfp.md: Enable patterns for Thumb-2.
 759         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
 760         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
 761         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
 762         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
 763         * config/arm/libunwind.S: Add Thumb-2 code.
 764         * config/arm/constraints.md: Update include Thumb-2.
 765         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
 766         * config/arm/ieee754-df.S: Ditto.
 767         * config/arm/bpabi.S: Ditto.
 768         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
 769         * config/arm/predicates.md (low_register_operand,
 770         low_reg_or_int_operand, thumb_16bit_operator): New.
 771         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
 772         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
 773         * config/arm/t-arm-elf: Add armv7 multilib.
 774         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
 775         Include thumb2.md.
 776         (UNSPEC_STACK_ALIGN, ce_count): New.
 777         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
 778         arm_zero_extendsidi2, arm_zero_extendqidi2): New
 779         insns/expanders.
 780         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
 781         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
 782         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
 783         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
 784         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
 785         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
 786         insns.
 787         * doc/extend.texi: Document ARMv7-M interrupt functions.
 788         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
 789
 790 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
 791
 792         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
 793         (struct _Unwind_Context): Rename args_size to flags, remove
 794         signal_frame field, add a new args_size field and version field.
 795         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
 796         _Unwind_IsExtendedContext): New inline functions.
 797         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
 798         Assume by_value array is only present if _Unwind_IsExtendedContext.
 799         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
 800         _Unwind_IsSignalFrame.
 801         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
 802         (uw_update_context_1): Use _Unwind_SetSignalFrame.
 803         (uw_init_context_1): Initialize context->flags to
 804         EXTENDED_CONTEXT_BIT.
 805         * config/rs6000/linux-unwind.h (frob_update_context): Use
 806         _Unwind_SetSignalFrame.
 807
 808 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 809
 810         PR middle-end/30353
 811         * gimplify.c (gimplify_modify_expr_complex_part): Move below
 812         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
 813         the value.
 814
 815 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
 816
 817         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
 818         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
 819         RET, AT_SP): Remove.
 820         * config/i386/i386.md (*sse_prologue_save_insn): Use return
 821         instead of RET.
 822
 823         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 824         * cfgbuild.c (find_basic_blocks): Likewise.
 825         * cfgrtl.c (rtl_create_basic_block): Likewise.
 826         * function.c (temp_slots_at_level): Likewise.
 827         * reg-stack.c (stack_regs_mentioned): Likewise.
 828         * regclass.c (allocate_reg_info): Likewise.
 829         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 830         set_bb_for_stmt, move_block_to_fn): Likewise.
 831         * tree-complex.c (tree_lower_complex): Likewise.
 832         * vec.h (VEC_safe_grow_cleared): New.
 833
 834         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
 835
 836 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
 837
 838         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
 839         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
 840         to loop_version.
 841         * cfgloopmanip.c (scale_loop_frequencies): Export.
 842         (loopify): Scale the frequencies by prescribed coefficients.
 843         (set_zero_probability): New function.
 844         (duplicate_loop_to_header_edge): Improve updating of frequencies.
 845         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
 846         and frequencies according to arguments.
 847         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
 848         correctly.
 849         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
 850         * modulo-sched.c (sms_schedule): Set probabilities for entering
 851         versioned loop correctly.
 852         * tree-vect-transform.c (vect_transform_loop): Ditto.
 853         * cfgloop.h (loopify, loop_version): Declaration changed.
 854         (scale_loop_frequencies): Declared.
 855
 856 2007-01-02  Jan Hubicka  <jh@suse.cz>
 857
 858         * cgraph.c: Include tree-flow.h
 859         (cgraph_add_new-function): Handle IPA_SSA mode; execute
 860         early_local_passes.
 861         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
 862         * tree-pass.h (pass_all_early_optimizations): Declare.
 863         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
 864         early_local_passes.
 865         (cgraph_analyze_function): Do early_local_passes.
 866         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 867         Do not add referenced vars.
 868         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
 869         SSA form.
 870         (gate_all_early_local_passes): New gate.
 871         (pass_early_local_passes): Use new gate.
 872         (execute_early_local_optimizations): New functions.
 873         (gate_all_early_optimizations): New gate.
 874         (pass_all_early_optimizations): New pass.
 875         (execute_free_datastructures): Free SSA only when initialized.
 876         (gate_init_datastructures): Init only when optimizing.
 877         (tree_lowering_passes): Do early local passes when called late.
 878         * tree-profile.c (do_tree_profiling): Don't profile functions added
 879         late.
 880         (do_early_tree_profiling, pass_early_tree_profile): Kill.
 881         * tree-cfg.c (update_modified_stmts): Do not update when operands are
 882         not active.
 883         * passes.c (init_optimizations_passes): Reorder so we go into SSA
 884         during early_local_passes.
 885         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
 886
 887
 888 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 889
 890         * Makefile.in: Update copyright year.
 891
 892 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
 893
 894         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
 895         in $(lang_checks) and check-consistency targets.
 896
 897 2007-01-02  Jan Hubicka  <jh@suse.cz>
 898
 899         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
 900         Do not add referenced vars.
 901         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
 902         are not active.
 903         * passes.c (init_optimization_passes): Put mudflap_2 after
 904         free_datastructures.
 905
 906 2007-01-02  Jan Hubicka  <jh@suse.cz>
 907
 908         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
 909         Set NOTHROW flag on call statements proved to be nothrow.
 910         Update statement of local calls so new pure/const functions are
 911         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
 912         goto receivers.
 913         (tree_rest_of_compilation): Register hooks and initialize bitmap
 914         early. Do not set after_inlining flag.
 915
 916 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
 917
 918         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
 919         HOST_BITS_PER_LONGLONG
 920
 921 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
 922
 923         PR c/19977
 924         * c-typeck.c (store_init_value): Don't emit pedantic overflow
 925         warning for non-static initializers.
 926
 927 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
 928
 929         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
 930         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
 931         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
 932         Always use set_unique_reg_note to add REG_EQUAL notes.
 933
 934 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 935
 936         Revert:
 937         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 938
 939         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 940         * cfgbuild.c (find_basic_blocks): Likewise.
 941         * cfgrtl.c (rtl_create_basic_block): Likewise.
 942         * function.c (temp_slots_at_level): Likewise.
 943         * reg-stack.c (stack_regs_mentioned): Likewise.
 944         * regclass.c (allocate_reg_info): Likewise.
 945         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 946         set_bb_for_stmt, move_block_to_fn): Likewise.
 947         * tree-complex.c (tree_lower_complex): Likewise.
 948         * vec.h (VEC_safe_grow_cleared): New.
 949
 950 2007-01-02  Ian Lance Taylor  <iant@google.com>
 951
 952         * c-common.c (c_common_truthvalue_conversion): When warning about
 953         using an assignment as a truth value, set TREE_NO_WARNING.
 954
 955 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 956
 957         PR middle-end/7651
 958         * c.opt (Wold-style-declaration): New.
 959         * doc/invoke.texi (C-only Warning Options): New.
 960         (Wold-style-declaration): Document it.
 961         (Wextra): Enabled by -Wextra.
 962         * c-opts.c (c_common_post_options): Enabled by -Wextra.
 963         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
 964         -Wold-style-declaration.
 965
 966 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
 967
 968         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
 969         * cfgbuild.c (find_basic_blocks): Likewise.
 970         * cfgrtl.c (rtl_create_basic_block): Likewise.
 971         * function.c (temp_slots_at_level): Likewise.
 972         * reg-stack.c (stack_regs_mentioned): Likewise.
 973         * regclass.c (allocate_reg_info): Likewise.
 974         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
 975         set_bb_for_stmt, move_block_to_fn): Likewise.
 976         * tree-complex.c (tree_lower_complex): Likewise.
 977         * vec.h (VEC_safe_grow_cleared): New.
 978
 979 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
 980
 981         * c-common.c(c_common_nodes_and_builtins): Since variants of
 982         void_type_node get built before it is given a name, we need to
 983         give those variants the name, too.
 984         (complete_array_type): We need to work with the canonical main
 985         type of the array, from which we will build the qualified version.
 986         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
 987         * print-tree.c (print_node): Display canonical type information
 988         for each type.
 989         * stor-layout.c (layout_type): When we don't know the
 990         alignment of a type for which we're building an array, we end up
 991         guessing wrong, so make the type require structural equality.
 992         * tree.c (make_node_stat): When we build a new type, it is its
 993         own canonical type.
 994         (build_type_attribute_qual_variant): When building an attribute
 995         variant, its canonical type is the non-attribute variant. However,
 996         if the attributes are target-dependent and they differ, we need to
 997         use structural equality checks for this type.
 998         (build_qualified_type): A qualified type is not equivalent to its
 999         unqualified variant; set the canonical type appropriately.
1000         (build_distinct_type_copy): When building a distinct type from
1001         another type, the new type is its own canonical type.
1002         (build_variant_type_copy): When building a new type variant, we
1003         assume that it is equivalent to the original type.
1004         (build_pointer_type_for_mode): When building a pointer type, also
1005         build a canonical type pointer.
1006         (build_reference_type_for_mode): When building a reference type,
1007         also build a canonical type reference.
1008         (build_index_type): When we can't hash an index type (e.g.,
1009         because its maximum value is negative), the index type requires
1010         structural equality tests.
1011         (build_array_type): Build the canonical form of an array type.
1012         (build_function_type): Function types require structural equality,
1013         because they contain default arguments, attributes, etc.
1014         (build_method_type_directly): Ditto for method types.
1015         (build_offset_type): Build the canonical offset type.
1016         (build_complex_type): Build the canonical vector type.
1017         (make_vector_type): Build the canonical vector type.
1018         * tree.h (TYPE_CANONICAL): New.
1019         (TYPE_STRUCTURAL_EQUALITY_P): New.
1020         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1021         (struct tree_type): Added "canonical" field.
1022         * params.h (VERIFY_CANONICAL_TYPES): New.
1023         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1024         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1025         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1026         * doc/invoke.texi (verify-canonical-types): Document --param
1027         parameter for verifying canonical types.
1028
1029 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1030
1031         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1032         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1033         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1034         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1035         tm_file.
1036         * config/rs6000/e500.h: New.
1037         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1038         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1039         Remove.
1040         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1041         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1042         TARGET_E500_DOUBLE): Remove.
1043         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1044         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1045         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1046         * config/rs6000/rs6000.c (rs6000_override_options): Use
1047         CHECK_E500_OPTIONS.
1048
1049 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1050
1051         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1052         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1053         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1054         rs6000_emit_cmove): Don't check TARGET_E500.
1055         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1056         sordered): Don't check TARGET_E500.
1057
1058 2007-01-01  Eric Christopher  <echristo@apple.com>
1059
1060         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1061         HARD_REGISTER_NUM_P.
1062
1063 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1064
1065         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1066         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1067         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1068         eq/ne Y".
1069
1070 2007-01-01  Mike Stump  <mrs@apple.com>
1071
1072         * configure.ac: Remove support for building with Apple's gcc-3.1.
1073
1074 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1075
1076         PR middle-end/30311
1077         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1078         REG is a hard register.  Do not modify REG before calling
1079         subreg_nregs.
1080         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1081         multiple of the size of YMODE for certain lowpart cases.
1082
1083 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1084
1085         PR middle-end/30253
1086         * gimplify (voidify_wrapper_expr): Update for
1087         GIMPLE_MODIFY_STMT.
1088
1089 2007-01-01  Andreas Schwab  <schwab@suse.de>
1090
1091         PR target/29166
1092         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1093         save of BR0 in extra_spill_size instead of spill_size.
1094         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1095         area.
1096         (ia64_expand_epilogue): Restore BR0 from its new location.
1097
1098 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1099
1100         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1101         Use a temporary variable if the left hand side is not a gimple
1102         register.
1103
1104 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1105
1106         * gimplify.c (gimplify_return_expr): Make the temporary variable
1107         for the return expression, a gimple register variable.
1108
1109 2007-01-01  Jan Hubicka  <jh@suse.cz>
1110
1111         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1112         INSN_LIST.
1113
1114 2007-01-01  Mike Stump  <mrs@apple.com>
1115
1116         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1117         .literal16.
1118         * config/darwin.c (machopic_select_rtx_section): Use
1119         HAVE_GAS_LITERAL16.
1120         (darwin_mergeable_constant_section): Likewise.
1121         * configure: Regenerate.
1122         * config.in: Regenerate.
1123
1124 2007-01-01  Jan Hubicka  <jh@suse.cz>
1125             Andrew Pinski  <pinskia@gmail.com>
1126
1127         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1128         before starting IPA passes.