Fix for PR 18010, copy epilogue unwind info when copying epilogue insns.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2004-10-26  James E Wilson  <wilson@specifixinc.com>

        PR target/18010
        * emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.

2004-10-26  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c: Include obstack.h.
        (ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
        default definition.
        (ASM_STABD_OP, NO_DBX_MAIN_SOURCE_DIRECTORY, DBX_CONTIN_CHAR):
        Default-define here.
        (DBX_CONTIN_LENGTH): Move definition with others.
        (DBX_FINISH_STABS): New target macro.
        (current_sym_code, current_sym_value, current_sym_addr)
        (current_sym_nchars, CHARS, dbxout_continue)
        (print_int_cst_octal, print_octal, print_wide_int)
        (dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
        (stabstr_ob, stabstr_last_contin_point): New variables.
        (NUMBER_FMT_LOOP): New improper macro.
        (dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
        (dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
        (dbxout_stab_value_internal_label_diff, dbxout_stabd)
        (dbxout_begin_stabn, dbxout_begin_stabn_sline)
        (dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
        (dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
        (stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
        (stabstr_continue, DECL_ACCESSIBILITY_CHAR)
        New functions and/or proper function-like macros.
        (CONTIN): Use stabstr_continue, unconditionally.
        (get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
        (dbxout_init): Initialize stabstr_ob.  Check
        NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
        if it was used.  Use the new interfaces.
        (dbxout_source_file): Remove file argument; always write to
        asm_out_file.  Use the new interfaces.
        (dbxout_type_method_1): Remove second argument which is always
        DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
        (dbxout_type_methods): Remove write-only variables.  Use the
        new interfaces.
        (dbxout_parms): Refactor to remove code duplicated in each of
        several successive if-else-if blocks.  Use the new interfaces.
        (dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
        (dbxout_source_line, dbxout_finish, dbxout_type_index)
        (dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
        (dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
        (dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
        (dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
        Use the new interfaces.
        * Makefile.in (dbxout.o): Update dependencies.

        * defaults.h: Don't define ASM_STABD_OP.
        * output.h: Prototype new dbxout_* interfaces.
        * system.h: Poison DBX_OUTPUT_GCC_MARKER and DBX_FINISH_SYMBOL.
        * varasm.c: Don't define ASM_STABS_OP.
        (default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
        Use the new dbxout.c interfaces.  Call sorry if neither
        DBX_DEBUGGING_INFO nor XCOFF_DEBUGGING_INFO is defined.

        * xcoffout.h: Don't define ASM_STABS_OP.
        (DBX_FINISH_SYMBOL): Rewrite and rename DBX_FINISH_STABS.
        (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_GCC_MARKER): Delete.
        (NO_DBX_MAIN_SOURCE_DIRECTORY, NO_DBX_GCC_MARKER): Define.
        (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
        do { ... } while (0) idiom.

        * config/alpha/alpha.c (num_source_filenames): Export.
        * config/alpha/alpha.h (num_source_filenames): Declare.
        (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
        (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
        * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
        Always use .debugsym.  Update commentary.
        * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
        (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
        * config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
        Use new interfaces.
        * config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
        (macho_branch_islands): Use new interfaces.

        * doc/tm.texi: Update.

2004-10-26  Aldy Hernandez  <aldyh@redhat.com>

        * expr.c (emit_group_store): Do not treat floats as BLKmode.
        (emit_group_load): Same.

2004-10-26  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (datadef): Use pedwarn rather than error and warning
        for diagnostic in case of no declaration specifiers.

2004-10-26  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/15747
        * doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
        reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
        can be used to work around this.

2004-10-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500
        doubles.

2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_case): Update a comment.

2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_case): Put an assertion that index_expr is
        never INTEGER_CST.  Don't special case for constant
        index_expr.

2004-10-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 18162
        * c-parse.in (designator): Finish with a semi-colon.

2004-10-26  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.md (andsi3_internal8): Set CR when splitting
        into rotlsi3.

2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
        a default case only.

2004-10-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
        e500 doubles.
        (spe_build_register_parallel): New.
        (rs6000_spe_function_arg): Handle e500 doubles.
        (function_arg): Same.
        (spe_func_has_64bit_regs_p): Same.
        (rs6000_function_value): Same.
        (rs6000_libcall_value): Same.
        (legitimate_lo_sum_address_p): Return false for e500 doubles.

        * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500
        doubles.
        (DATA_ALIGNMENT): Same.
        (CANNOT_CHANGE_MODE_CLASS): Same.

2004-10-26  Aldy Hernandez  <aldyh@redhat.com>

        * expr.c (emit_group_load): Handle floats.
        (emit_group_store): Same.

2004-10-26  Nathan Sidwell  <nathan@codesourcery.com>

        * c-lex.c (get_nonpadding_token): Remove.
        (c_lex_with_flags): Push timevar and eat padding here.  Improve
        stray token diagnostic.
        (lex_string): Replace logic with switch statement, eat padding
        token here.

2004-10-26  Geoffrey Keating  <geoffk@apple.com>

        PR 18149
        * config/i386/darwin.h (ASM_SPEC): Undef it before defining.

2004-10-25  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
        to 'non-weak'.
        (MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
        (ASM_MAKE_LABEL_LINKONCE): Delete.
        (ASM_WEAKEN_DECL): New.
        (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (TEXT_SECTION_ASM_OP): Add a tab.
        (DATA_SECTION_ASM_OP): Likewise.
        (SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
        data_section on every section change.
        (EXTRA_SECTIONS): Add a bunch of new extra sections.
        (EXTRA_SECTION_FUNCTIONS): Likewise.
        (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
        (JCR_SECTION_NAME): Define.
        (TARGET_SECTION_TYPE_FLAGS): Don't define.
        * config/darwin.c (darwin_encode_section_info): A symbol is defined
        in this file if it is not weak.
        (textcoal_section): Delete.
        (datacoal_section): Delete.
        (darwin_make_decl_one_only): Delete.
        (machopic_select_section): Handle functions.
        (darwin_asm_named_section): Add a tab.
        (darwin_section_type_flags): Delete.
        (darwin_unique_section): Delete contents.
        (darwin_emit_unwind_label): Add a tab.  Make decls weak if
        DECL_WEAK is set.
        * config/darwin-protos.h (darwin_section_type_flags): Delete.
        (darwin_make_decl_one_only): Delete.
        (text_coal_section): New.
        (text_unlikely_section): New.
        (text_unlikely_coal_section): New.
        (const_coal_section): New.
        (data_coal_section): New.
        (const_data_coal_section): New.
        * varasm.c (function_section): Honour
        USE_SELECT_SECTION_FOR_FUNCTIONS.
        * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
        TARGET_USES_WEAK_UNWIND_INFO is in effect.
        * dbxout.c (dbxout_source_file): Don't change sections while
        a function is being output.

2004-10-25  David Ayers  <d.ayers@inode.at>

        * c-common.h: Remove RID_ID.
        * c-parse.in: Remove OBJECTNAME and references to RID_ID.
        (typespec_reserved_attr): Add rule for TYPENAME
        non_empty_protocolrefs.
        (yylexname): Remove special handling of RID_ID.

2004-10-25  James E Wilson  <wilson@specifixinc.com>

        * doc/invoke.texi (-fcrossjumping): Not enabled at -O.

2004-10-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16667
        * c-parse.in (array_designator): New.
        (designator): Use it.
        (initelt): Only permit array_designator without '=', not ".foo".

2004-10-25  Kenneth Zadeck <zadeck@naturalbridge.com>
        * gcc/Makefile.in: removed ggc for cgraphunit.
        * gcc/cgraph.c.dump_cgraph_node: removed static var analysis.
        * gcc/cgraph.h: removed static var analysis data structures and calls.
        * gcc/cgraphunit.c:
        cgraph_mark_local_and_external_functions:changed name to
                cgraph_mark_local_functions
        (print_order,convert_UIDs_in_bitmap,new_static_vars_info,
        cgraph_reset_static_var_maps,get_global_static_vars_info,
        get_global_statics_not_read,get_global_statics_not_written,searchc,
        cgraph_reduced_inorder,has_proper_scope_for_analysis,check_rhs_var,
        check_lhs_var,get_asm_expr_operands,process_call_for_static_vars,
        scan_for_static_refs,cgraph_characterize_statics_local,
        clear_static_vars_maps,cgraph_propagate_bits,cgraph_characterize_statics):
        removed.
        (cgraph_optimize,init_cgraph): removed calls to static vars analysis
        * gcc/tree-dfa.c find_referenced_vars: removed call to static vars
        analysis
        * gcc/tree-flow.h static_vars_info: removed
        * gcc/tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
        removed calls to static vars analysis.
        get_call_expr_operands: removed callee variable.

2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c (unchecked_make_edge, redirect_edge_succ,
        redirect_edge_pred): Use VEC_safe_push instead of
        VEC_safe_insert.
        * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.

2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloopmanip.c (loopify): Take two more arguments true_edge
        and false_edge.
        * cfgloop.h: Adjust the corresponding prototype.
        * loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
        * tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.

2004-10-25  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (rtl_for_decl_location): Avoid segfault if
        DECL_INCOMING_RTL is NULL.

2004-10-25  Steven Bosscher  <stevenb@suse.de>

        * timevar.def (TV_FIND_REFERENCED_VARS): New.
        * tree-dfa.c (pass_referenced_var): Use it.

2004-10-25  Roger Sayle  <roger@eyesopen.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * cse.c: Change encoding of quantity numbers to avoid undefined
        pointer arithmetic on qty_table.
        (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
        (get_cse_reg_info): Initialize reg_qty to a unique negative value.
        (new_basic_block): Assign "real" quantity numbers from zero.
        (delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
        REG_QTY to its unique negative value.
        (merge_equiv_classes): Calculate need_rehash if quantity is valid.
        (cse_main): Don't include max_reg when determining max_qty.
        (cse_basic_block): Avoid subtracting a large offset from qty_table,
        which causes undefined C99 behaviour.  Only allocate needed memory.

2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_case): Remove an obsolete comment.

2004-10-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17407
        * c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
        layout_type as it is already done by build_array_type.
        * tree.c (build_array_type): Layout the type even

2004-10-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.

2004-10-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.md (movdi, movdf): Handle wide-constant splits
        with wider-than-32-bit HOST_WIDE_INTs.

2004-10-25  David Billinghurst <David.Billinghurst@riotinto.com>

        * config/mips/mips.c(mips_output_filename): Remove unused
        array ltext_label_name

2004-10-24  Geoffrey Keating  <geoffk@geoffk.org>

        * config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.

2004-10-25  Ben Elliston  <bje@au.ibm.com>

        * cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.

2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        * predict.c (predict_loops): Call scev_finalize instead of
        scev_reset.

2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
        config/openbsd.h, config/mips/r3900.h, config/pdp11/pdp11.md,
        config/sh/ushmedia.h, config/sparc/elf.h,
        config/sparc/sp64-elf.h: Update copyright.

2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_case): Handle the default label outside of
        the for loop.  Remove code to handle a missing default label.

2004-10-23  Kazu Hirata  <kazu@cs.umass.edu>

        * dbxout.c (dbxout_function_decl): Don't use
        DBX_OUTPUT_FUNCTION_END.
        * system.h: Poison DBX_OUTPUT_FUNCTION_END.
        * doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.

2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17967
        * tree-cfg.c (remove_usless_stmts_cond):  Don't Fold statement.

2004-10-23  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-dom.c (record_equality): Use loop depth to determine
        which way to record the equality as well.
        (loop_depth_of_name): New function.

2004-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/17793
        * gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
        through the operand if it is a useless type conversion.

2004-10-23  Ben Elliston  <bje@au.ibm.com>

        * cfg.c (remove_edge): Use VEC_unordered_remove.
        (redirect_edge_succ): Likewise.
        (redirect_edge_pred): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
        beyond its end.

2004-10-22  Eric Christopher  <echristo@redhat.com>

        * config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode
        saves.

2004-10-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_extendsfdf2): New.
        (movdf_e500_double): New.
        (spe_truncdfsf2): New.
        (spe_absdf2): New.
        (spe_nabsdf2): New.
        (spe_negdf2): New.
        (sub_adddf3): New.
        (spe_subdf3): New.
        (spe_muldf3): New.
        (spe_floatsidf2): New.
        (spe_floatunssidf2): New.
        (fix_truncdfsi2): New.
        (spe_fixuns_truncdfsi2): New.

        * config/rs6000/rs6000.md (truncdfsf2): Change to expander.
        (fpr_truncdfsf2): New.
        (negdf2): Change to expander.
        (fpr_negdf2): New.
        (fpr_nabsdf2): Name pattern.
        (adddf3): Change to expander.
        (fpr_adddf3): Nem.
        (subdf3): Change to expander.
        (fpr_subdf3): New.
        (muldf3): Change to expander.
        (fpr_muldf3): New.
        (divdf3): Change to expander.
        (fpr_divdf3): New.
        (movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
        (cmpdf): Allow for TARGET_E500_DOUBLE.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * c-semantics.c (re_push_stmt_list): Remove.
        * c-common.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (asm_op_is_mem_input): Remove.
        * tree.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-gimple.c (is_gimple_constructor_elt): Remove.
        * tree-gimple.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * varasm.c (get_pool_mode_for_function, get_pool_offset):
        Remove.
        * rtl.h: Remove the corresponding prototypes.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
        edge information when we commit ourselves to threading a
        particular jump.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by putting basic blocks
        into worklist instead of their indexes.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
        final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
        lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
        pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
        tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
        tree-scalar-evolution.c, tree-ssa-dom.c,
        tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
        tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
        tree-vectorizer.c, vec.h: Fix comment formatting.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
        libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.

2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ptx4.h, config/mcore/mcore-pe.h,
        config/rs6000/eabi.h, config/vax/elf.h: Update copyright.

2004-10-22  Peter Barada <peter@the-baradas.com>

        * config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
        * config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
        renaming of non-live registers in interrupt functions.
        * config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.

2004-10-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
        Use integer for loop counter.
        (num_ending_zeros): New function.
        (number_of_iterations_cond): Use num_ending_zeros.

2004-10-21  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Add support for --enable-e500_double.

        * config/rs6000/e500-double.h: New file.

        * config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and
        TARGET_E500_DOUBLE.

        * config/rs6000/eabi.h: Define TARGET_E500_SINGLE and
        TARGET_E500_DOUBLE.

        * config/rs6000/linuxspe.h: Same.

        * doc/invoke.texi (Option Summary): Document new options for
        mfloat-gprs.
        (RS/6000 and PowerPC Options): Same.

        * config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
        function.
        (rs6000_override_options): Use it.  Use
        SUB3TARGET_OVERRIDE_OPTIONS.
        Add 8548 to processor_target_table.
        (rs6000_legitimate_address): Handle e500 doubles.
        (rs6000_legitimize_address): Same.
        (rs6000_legitimize_reload_address): Same.
        (rs6000_hard_regno_nregs): Same.
        (spe_func_has_64bit_regs_p): Same.
        (emit_frame_save): Same.
        (gen_frame_mem_offset): Same.
        (rs6000_dwarf_register_span): Same.
        (rs6000_generate_compare): Same.
        (easy_fp_constant): Same.
        (legitimate_offset_address_p): Same.

        * config/rs6000/spe.md: (cmdfeq_gpr): New.
        (tstdfeq_gpr): New.
        (cmpdfgt_gpr): New.
        (tstdfgt_gpr): New.
        (tstdfgt_gpr): New.
        (cmpdflt_gpr): New.
        (tstdflt_gpr): New.
        Add new constants.

2004-10-21  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * config/arc/lib1funcs.asm (___umulsidi3): Fix typo.

2004-10-21  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c: Remove unnecessary #undefs.
        (GDB_INV_REF_REGPARM_STABS_LETTER, DBX_MEMPARM_STABS_LETTER)
        (FILE_NAME_JOINER, STABS_GCC_MARKER): Remove; fold sole
        definition into use sites.
        (cwd): Make local to dbxout_init.
        (dbxout_init): Restructure cwd-using logic for clarity.  Use
        IS_DIR_SEPARATOR.
        * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
        STABS_GCC_MARKER folded in here.
        * system.h: Poison now-unused macros.
        * doc/tm.texi: Remove documentation of now-unused macros.

2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17538
        * c-opts.c (push_command_line_include): Use the current file
        name instead of the main one.

2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/17923
        * tree.c (staticp): A CONST_DECL has static storage if either
        TREE_STATIC or DECL_EXTERNAL is set.
        * c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
        have null names.

2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (store_expr): Remove dont_store_target.

2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by using a worklist.

2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Move a part of it to ...
        (thread_jumps_from_bb): ... here.

2004-10-21  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
        * xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).

2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (store_expr): Clean up by renaming want_value to
        call_param_p.

2004-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
        fixup pc here.

2004-10-21  Aldy Hernandez  <aldyh@redhat.com>

        PR 18004.
        * expmed.c (store_bit_field): Pass original 'value' before
        recursing.

2004-10-21  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
        * config/arm/ieee754-df.S: Ditto.

2004-10-20  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
        (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_LINES_FUNCTION_RELATIVE):
        Default to 0.
        (dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
        When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
        an internal label and an N_SLINE .stabn whose value is the
        difference between that label and the function entry label.
        (dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
        but DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END is, emit a
        label and an N_SO stab with an empty string referring to it.
        (dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
        of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
        (dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
        (dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
        macro is never defined.
        * sdbout.c (sdbout_source_line_counter): Delete.
        (PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
        (sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
        only two arguments.
        * xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Rename ASM_OUTPUT_LINE.

        * config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
        * config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
        definitions (identical to default).
        * config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
        * config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
        Define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END, not
        DBX_OUTPUT_MAIN_SOURCE_FILE_END.
        * config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
        * config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
        Define DBX_LINES_FUNCTION_RELATIVE, not ASM_OUTPUT_SOURCE_LINE.
        * config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
        * config/alpha/alpha.c: Move declaration of num_source_filenames up.
        (alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
        (sym_lineno): Delete.
        (alpha_output_filename): Do not emit N_SOL stabs here.  Remove
        now-unused variable.
        (alpha_output_lineno): Delete.
        * config/mips/mips-protos.h: Don't prototype mips_output_lineno.
        * config/mips/mips.c (mips_output_filename): Don't use
        ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
        (mips_output_lineno): Delete.
        (mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
        * config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
        SDB_OUTPUT_SOURCE_LINE, not ASM_OUTPUT_SOURCE_LINE.
        * config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
        * config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
        * config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
        * config/mmix/mmix.h: Likewise.
        * config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
        * config/mmix/mmix-protos.h: Don't prototype it.
        * config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
        no need to #undef ASM_OUTPUT_SOURCE_LINE.
        * config/arm/aout.h: Remove RISCiX-specific definition of
        DBX_OUTPUT_MAIN_SOURCE_FILENAME.
        * config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
        ASM_OUTPUT_SOURCE_LINE.
        * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
        DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
        * config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.

        * doc/tm.texi: Update.

2004-10-20  Richard Henderson  <rth@redhat.com>

        * tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.

2004-10-20  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac: Revert my previous patch.
        * configure: Regenerate.

2004-10-20  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.c
        (rs6000_va_start): Use build_va_arg_indirect_ref.
        (rs6000_gimplify_va_arg): Likewise.

2004-10-20  Bryce McKinlay  <mckinlay@redhat.com>

        PR java/15575
        * configure.ac: Declare AM_LANGINFO_CODESET.
        * aclocal.m4: Define AM_LANGINFO_CODESET.
        * configure, config.in: Rebuilt.

2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (store_expr): Remove code that is run when
        want_value & 1 is nonzero.

2004-10-20  Mark Mitchell  <mark@codesourcery.com>

        * gthr-posix.h (__gthread_active_p): Use __extension__ around cast
        from function pointer to void *.

2004-10-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/18032
        * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
        the frame pointer adjustment when exception handling is enabled.

2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>

        * stor-layout.c: Fix a comment typo.

2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (store_field): Remove two arguments value_mode and
        unsignedp.
        (expand_assignment, store_constructor_field,
        expand_expr_real_1): Adjust calls to store_field.

2004-10-18  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

        * config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.

        PR target/17317
        * config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
        REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
        base and index register for loads.

        * config/arc/t-arc: Fix multilib handling.

2004-10-20  Hans-Peter Nilsson  <hp@bitrange.com>

        * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
        don't inspect BLOCK_FOR_INSN for barriers.
        * emit-rtl.c (emit_barrier_before): Revert last change.
        (emit_barrier_after, emit_barrier): Ditto.

        * doc/extend.texi (Extended Asm): Warn and provide example
        solution for using a call-clobbered asm register.
        (Local Reg Vars): Similar.  Cross-reference example.

2004-10-19  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-cfg.c (group_case_labels): Look at the second to last
        case statement for combing with the default case.

2004-10-19  Richard Hendeson  <rth@redhat.com>

        PR 17962
        * stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.

2004-10-19  Richard Hendeson  <rth@redhat.com>

        * builtins.c (expand_builtin_memmove): If fold_builtin_memmove
        succeeds, only expand the result.

2004-10-19  Richard Hendeson  <rth@redhat.com>

        PR middle-end/17885
        * tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
        of INDIRECT_REF.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Use a do-while loop instead of a
        loop with goto.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_assignment): Remove the last argument.
        Change the return type to void.
        * expr.h: Update the prototype of expand_assignment.
        * function.c (assign_parm_setup_reg): Update a call to
        expand_assignment.
        * stmt.c (expand_asm_expr): Likewise.

2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
        unnecessary assignments to temp.  Return const0_rtx.

2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh5_schedule_saves): Fix typo.

2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac (powerpc-*-darwin*): Require assembler to support
        .machine directive.
        * configure: Regenerate.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (ior_hard_reg_set): Remove.
        (finish_spills): Use IOR_HARD_REG_SET instead of
        ior_hard_reg_set.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
        the currently visited word to right.

2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/18045
        * expmed.c (expand_smod_pow2): Handle modes whose size
        is greater than that of HOST_WIDE_INT.

2004-10-18  Ziemowit Laski  <zlaski@apple.com>

        * c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.

2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17813
        * dojump.c (discard_pending_stack_adjust): New function.
        (clear_pending_stack_adjust): Call it.
        * expr.h (discard_pending_stack_adjust): Declare it.
        * explow.c (emit_stack_save): Emit pending stack adjustments
        before saving the stack pointer.
        (emit_stack_restore): Discard pending stack adjustments before
        restoring the stack pointer.

2004-10-18  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_mode_attribute): Allow scalar->vector
        type changes yet.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
        value to expand_assignment.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Don't iterate on
        thread_jumps.
        (thread_jumps): Iterate until no new forwarder block arises.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
        (thread_jumps): Use forwardable as cache of
        tree_forwarder_block_p throughout the function.

2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cfg.c (dump_flow_info): Remove redundant dump of reg life info.

2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/15014
        PR middle-end/16973
        * tree-cfg.c (remove_bb): If we have a label expression in the
        basic block and the label we have taken the address, move the
        label expression to the basic block which is previous in the
        linked list.
        (tree_verify_flow_info): Fix printing out the label name of the
        problematic label expression.

2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>

        PR rtl-optimization/18002
        * simplify-rtx.c (mode_signbit_p): Externalize function...
        * rtl.h (mode_signbit_p): ... to here.
        * combine.c (simplify_shift_const): Recognize PLUS signbit as
        canonical form of XOR signbit and move to outer op.

2004-10-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
        Update all callers.
        * tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
        Don't call fold_stmt more than once, use bsi_replace.

2004-10-18  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17656
        * tree-ssa.c (replace_immediate_uses): When replacing a
        constant, if the call to fold_stmt produced a different
        statement, get an appropriate statement pointer by scanning
        STMT's basic block.

2004-10-18  Richard Henderson  <rth@redhat.com>

        * pointer-set.c (hash1): Don't use libm functions in fallback case.

2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/17684
        * Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
        (stage1-start): Remove and copy libunwind.a and
        libunwind*$(SHLIB_EXT) instead of libunwind*.
        (stage2-start): Likewise.
        (stage3-start): Likewise.
        (stage4-start): Likewise.
        (stageprofile-start): Likewise.
        (stagefeedback-start): Likewise.

        * config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
        the shared library to be created and don't remove the existing
        shared library.
        * config/arm/t-netbsd (SHLIB_LINK): Likewise.
        * config/i386/t-nwld (SHLIB_LINK): Likewise.
        * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
        * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
        * config/sh/t-linux (SHLIB_LINK): Likewise.
        * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
        * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
        * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
        * config/t-slibgcc-sld (SHLIB_LINK): Likewise.

        * mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
        files.

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (reg_set_iterator): New.
        (EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
        (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
        (EXECUTE_IF_AND_IN_REG_SET): Likewise.
        * caller-save.c (save_call_clobbered_regs): Adjust to the new
        style.
        * cfgcleanup.c (thread_jump): Likewise.
        * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
        * conflict.c (conflict_graph_compute): Likewise.
        * flow.c (verify_local_live_at_start, update_life_info,
        initialize_uninitialized_subregs, propagate_one_insn,
        init_propagate_block_info, free_propagate_block_info,
        propagate_block, dump_regset): Likewise.
        * global.c (global_conflicts): Likewise.
        * graph.c (start_bb): Likewise.
        * local-alloc.c (update_equiv_regs): Likewise.
        * loop.c (load_mems): Likewise.
        * reload1.c (compute_use_by_pseudos, order_regs_for_reload,
        find_reg, finish_spills): Likewise.
        * resource.c (mark_target_live_regs): Likewise.
        * sched-deps.c (sched_analyze_insn): Likewise.
        * sched-rgn.c (sched-rgn.c): Likewise.
        * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.

2004-10-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (addqi_1_slp): Test for incdec_operand
        operand 1 instead of 2

2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-unroll.c: Fix comment typos.

2004-10-18  Revital Eres  <eres@il.ibm.com>

        * Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
        * loop-unroll.c: Include varray.h.
        (struct var_to_expand, struct opt_info): Rename split_ivs_info to
        opt_info and expand it to support variable expansion.
        (analyze_insns_in_loop): Rename analyze_ivs_to_split and
        expand it to support variable expansion.
        (pt_info_start_duplication): Rename si_info_start_duplication.
        (apply_opt_in_copies): Rename split_ivs_in_copies and add support
        to the variable expansion optimization.
        (free_opt_info): Rename free_si_info.
        (analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
        expand_var_during_unrolling, insert_var_expansion_initialization,
        combine_var_copies_in_loop_exit, release_var_copies,
        get_expansion): New functions.
        (peel_loop_completely, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations, peel_loop_simple,
        unroll_loop_stupid): Change uses of struct si_info
        to struct opt_info
        and add uses of fvariable-expansion-in-unroller flag.
        * params.def: Add parameter to restrict the number of expansions.
        * params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
        the number of expansions.
        * common.opt: (fvariable-expansion-in-unroller): New flag.
        * doc/invoke.texi: (fvariable-expansion-in-unroller): Document.

2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
        __GXX_MERGED_TYPEINFO_NAMES to 0.

2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
        handle barriers in a bb by checking that it points to a NULL bb.
        * emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
        (emit_barrier_after, emit_barrier): Ditto.

2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/extend.texi (Attribute Syntax): Clarify details of
        attributes on parameters.

2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
        loop.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        Revert:
        2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (default_function_array_conversion): Always create
        &a[0] for array types.
        (build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17925
        * cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
        block if there is a goto with a locus.

2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/elfos.h, config/gofast.h, config/interix.h,
        config/netbsd.h, config/svr3.h, config/vxworks.h,
        config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
        config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
        config/alpha/netbsd.h, config/arm/arm-modes.def,
        config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
        config/cris/aout.h, config/frv/frv-modes.def,
        config/i386/beos-elf.h, config/i386/gas.h,
        config/i386/i386-coff.h, config/i386/i386-modes.def,
        config/i386/linux.h, config/i386/linux64.h,
        config/i386/mingw32.h, config/i386/netbsd-elf.h,
        config/i386/netbsd64.h, config/i386/sco5.h,
        config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
        config/ia64/ia64-modes.def, config/ia64/itanium1.md,
        config/ia64/itanium2.md, config/m68k/m68k-modes.def,
        config/mips/mips-modes.def, config/mips/sdb.h,
        config/mips/vr.h, config/mips/vxworks.h,
        config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
        config/pa/pa32-linux.h, config/rs6000/40x.md,
        config/rs6000/7450.md, config/rs6000/8540.md,
        config/rs6000/linuxspe.h, config/rs6000/power4.md,
        config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
        config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
        config/s390/s390-modes.def, config/sh/elf.h,
        config/sh/sh-modes.def, config/sh/sh64.h,
        config/sparc/ultra1_2.md, config/sparc/ultra3.md,
        config/stormy16/stormy16.md, config/v850/v850-protos.h,
        config/vax/vax.md: Update copyright.

2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_expr_real_1): Remove an obsolete comment.

2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (default_function_array_conversion): Always create
        &a[0] for array types.
        (build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Jakub Jelinek  <jakub@redhat.com>

        * pointer-set.c (hash1): Use integer part of 2^64 / phi
        instead 2^32 / phi if long is 64-bit.

2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
        RID_PTRVALUE.
        * c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
        declarations.
        (reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
        __ptrextent__, __ptrvalue and __ptrvalue__.
        (rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
        entries.

2004-10-16  Dale Johannesen  <dalej@apple.com>

        * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17766
        * basic-block.h (enum dom_state): DOM_CONS_OK removed.
        (dom_info_available_p): Declare.
        * cfghooks.c (split_block, make_forwarder_block): Use
        dom_info_available_p.
        * dominance.c (compute_dom_fast_query, calculate_dominance_info,
        free_dominance_info, verify_dominators): Ditto.
        (dom_info_available_p): New function.
        * tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
        (thread_jumps): Use dom_info_available_p.
        * tree-complex.c (expand_complex_div_wide): Ditto.
        * tree-mudflap.c (mf_build_check_statement_for): Ditto.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
        (find_best_candidate): Take also important candidates into account.
        (find_optimal_iv_set): Initialize important_candidates bitmap.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17560
        * predict.c (tree_estimate_probability): Mark irreducible
        loops.

2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/17723
        * cfgcleanup.c (merge_memattrs): Handle case when
        MEM_SIZE == NULL_RTX.

2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>

        * toplev.c (dump_file_name): Change type to be const.

2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
        non_lvalue to stop something being a null pointer constant.

2004-10-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
        available for TARGET_FPRS.
        (FUNCTION_VALUE_REGNO_P): Same.

2004-10-15  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -maltivec in same style as other ISA options.

2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>

        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
        definition.

2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
        collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
        gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
        genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
        gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
        gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
        lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
        predict.def, predict.h, protoize.c, reload.h, resource.h,
        rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
        tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
        unwind-sjlj.c, value-prof.h: Update copyright.

2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>

        * pointer-set.c, tree-vectorizer.c: Fix comment typos.

2004-10-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (execute_one_pass): Stop timer right after
        executing the pass.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

        Revert:
        2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
        PR middle-end/17967
        Revert:
                * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
                (remove_useless_stmts_1):  Fold trees we know how to fold.

2004-10-14  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac: Add .machine power4 directive when testing for
        mfcr field.
        * configure: Regenerate.

2004-10-14  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
        always.

2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
        for 'f' if !TARGET_FPRS.

2004-10-14  Richard Henderson  <rth@redhat.com>

        PR debug/14492
        * dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.

2004-10-14  Richard Henderson  <rth@redhat.com>

        PR c/17023
        * c-decl.c (store_parm_decls_oldstyle): Care for parameter type
        as error_mark_node.
        * c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
        instaed of current_function_decl non-null.

2004-10-14  Matt Austern  <austern@apple.com>

        * pointer-set.c: New file, special-purpose hash table.
        * pointer-set.h: New file.
        * tree.h (struct pointer_set_t): Declare as opaque type.
        (tree_walk): Last argument is pointer_set_t* now.
        * tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
        (walk_type_fields):
        (walk_tree): Convert from htab_t to pointer_set_t for keeping
        track of which nodes have already been visited.
        (walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
        * cgraphunit.c (cgraph_create_edges): Likewise.
        (cgraph_characterize_statics_local): Likewise.
        * tree-dfa.c (collect_dfa_stats): Likewise.
        * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
        pointer_set_t* now.
        * langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
        * langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
        of walk_subtrees is pointer_set_t* now.
        * Makefile.in (OBJS-common): add pointer-set.o
        (tree-inline.o): Depends on pointer-set.h
        (tree-dfa.o): Likewise
        (cgraphunit.o): Likewise

2004-10-14  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin.h (ASM_SPEC): Delete.
        (TARGET_ASM_FILE_START): Define.
        * config/darwin.h (ASM_SPEC): Define.
        * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
        -mlong-double-128, it's the default.  Update comment about reason
        for force_cpusubtype_ALL.
        * config/rs6000/darwin-vecsave.asm: Supply .machine.
        * config/rs6000/darwin-world.asm: Likewise.
        * config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
        (symbolic_operand): Delete #if 0ed code.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * stmt.c (add_case_node): Make sure that we have integer
        constant before calling tree_int_cst_compare.

2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17967
        Revert:
                * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
                (remove_useless_stmts_1):  Fold trees we know how to fold.

2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
        config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
        -m64.

2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): When reloading a PLUS with constant
        operand, make sure the constant is pushed to the constant pool
        if required.
        * config/s390/s390.c (s390_secondary_input_reload_class): Remove
        reload bug workaround.
        (s390_expand_plus_operand): Likewise.

2004-10-14  David Edelsohn  <edelsohn@gnu.org>

        * opts.c (common_handle_option): Do not enable
        flag_speculative_prefetching for -fprofile-generate/use.

2004-10-14  Devang Patel  <dpatel@apple.com>

        PR 17635
        * tree-if-conv.c (process_phi_nodes): Process latch block.
        (combine_blocks): Process latch block and update loop structure.

2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>

        * tree-vectorizer.c (vect_generate_tmps_on_preheader):
        (vect_update_ivs_after_vectorizer):
        (vect_transform_for_unknown_loop_bound):
        (tree_duplicate_loop_to_edge):
        (allocate_new_names):
        (rename_use_op):
        (rename_def_op):
        (rename_variables_in_bb):
        (free_new_names):
        (rename_variables_in_loop):
        (copy_phi_nodes):
        (update_phis_for_duplicate_loop):
        (update_phi_nodes_for_guard):
        (make_loop_iterate_ntimes):
        (tree_duplicate_loop_to_edge_cfg):
        (add_loop_guard):
        (vect_analyze_loop_with_symbolic_num_of_iters):
        (verify_loop_for_duplication):
        (vect_gen_niters_for_prolog_loop):
        (vect_update_niters_after_peeling):
        (vect_update_inits_of_dr):
        (vect_update_inits_of_drs):
        (vect_build_loop_niters):
        (vect_do_peeling_for_alignment): New functions.
        (vect_transform_loop): Add unknown and known but indivisible loop
        bound support; add peeling for unalignment support.
        (vect_analyze_loop_form): Support symbolic number of iterations.
        (vect_transform_loop_bound): New input parameter.
        (vect_get_loop_niters): Change input parameter type.
        (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
        (vectorizable_store): Allow unaligned access.
        (vectorize_loops): Add rewrite_into_loop_closed_ssa.
        (vect_analyze_data_refs_alignment): Allowed one unaligned
        store.
        * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
        to use tree.
        (LOOP_VINFO_INT_NITERS): New macro.
        (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
        (do_peeling_for_alignment):
        (unaligned_drs): New members of _loop_vec_info.
        (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.

2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>

        * tree.h (TREE_STRING_POINTER): Wrap in "const char *".
        (struct tree_string): Remove "const" qualifier for "str".

2004-10-14  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_data_refs): Call
        vect_get_base_and_bit_offset to get memory tag for array ref.
        (vect_create_addr_base_for_vector_ref): Remove redundant checks.

2004-10-14  Richard Earnshaw  <rearnsha@arm.com>

        * configure.ac: Use $LN_S for creating symlinks (not $LN).
        * configure: Regenerate.

2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi (*-*-solaris2*): Update with info about kernel
        patches to solve spurious testsuite failures.

2004-10-14  Dorit Naishlos  <dorit@il.bim.com>

        * tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
        Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
        (vect_analyze_operations): Make sure the vectorization factor > 1. Add
        gcc_assert under ENABLE_CHECKING.
        (vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
        get_vectype_for_scalar_type).

        (vect_get_vec_def_for_operand): Remove redundant variables.
        (vect_transform_loop): Likewise.

2004-10-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
        global for -mcaller-super-interworking.
        (CALLER_INTERWORKING_SLOT_SIZE): New macro.
        * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
        CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
        not need a frame pointer.
        (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
        the soft frame pointer offset.
        (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
        * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
        _interwork_{r7,r11}_call_via_rN if some arguments are passed on
        the stack.  Use frame_pointer_needed to choose between them.
        * config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
        (interwork_with_frame): New macro.
        (interwork): Add _interwork_{r7,r11}_call_via_rN().

2004-10-14  Ben Elliston  <bje@au.ibm.com>

        PR other/17900
        * diagnostic.c (trim_filename): Fix logic bug in walking backwards
        up the filename looking for a previous directory separator.

2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_typespec_kind, struct c_typespec,
        parser_xref_tag): New.
        (struct c_declspecs): Add tag_defined_p.  Adjust definition of
        typedef_p.
        (declspecs_add_type): Adjust prototypes.
        * c-parse.in (%union): Add tstype.
        (typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
        typespec_reserved_attr, typespec_nonreserved_nonattr,
        structsp_attr, structsp_nonattr): Change to tstype.  Update
        actions.
        * c-decl.c (build_null_declspecs): Initialize tag_defined_p.
        (declspecs_add_type): Update to take struct c_typespec argument.
        Set tag_defined_p and typedef_p as appropriate.
        (xref_tag): Rename to parser_xref_tag and replace by wrapper.
        Update to return struct c_typespec.
        (shadow_tag_warned): Don't let empty declarations with qualifiers
        or storage class specifiers redeclare a tag if a previous
        declaration is visible.

2004-10-13  Richard Henderson  <rth@redhat.com>

        PR debug/15860
        * dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
        for DECL_INCOMING_RTL.

2004-10-14  Hans-Peter Nilsson  <hp@axis.com>

        PR target/17984
        * config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
        trunc_int_for_mode for constants used in shortened mode.

2004-10-13  Richard Henderson  <rth@redhat.com>

        PR c/17384
        * c-common.c (handle_mode_attribute): Disallow mode changes that
        alter the CODE of the top-level type.

        * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
        integer from internal limits macros.
        * config/i386/mm3dnow.h (__v2sf): Fix base type.

2004-10-13  Richard Henderson  <rth@redhat.com>

        PR debug/13841
        * function.c (instantiate_decl): Recurse for CONCAT.

2004-10-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
        andi./andis.
        (anddi3): Same.
        (extzvdi_internal1): Add attribute "compare".
        (extzvdi_internal2): Same.

2004-10-12  Tom Tromey  <tromey@redhat.com>

        * doc/md.texi (Insn Canonicalizations): Removed extraneous quote.

2004-10-13  Dale Johannesen  <dalej@apple.com>

        * doc/extend.texi (Extended Asm):  Rewrite asm volatile description.

2004-10-13  Frank Ch. Eigler  <fche@redhat.com>

        * toplev.c (compile_file): Call mudflap_finish_file from here ...
        * c-decl.c (c_write_global_declarations): ... instead of here ...
        * cp/decl.c (cp_finish_file): ... and here.
        * tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.

2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-dom.c (record_range): Free the element if we are not
        going to use it.

2004-10-13  Tom Tromey  <tromey@redhat.com>

        PR java/15578:
        * gcc.c (option_map): Added --extdirs and --encoding.

2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/14454
        * config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
        sparc_can_output_mi_thunk.
        (sparc_output_mi_thunk): Simplify handling of delta offset.  Add
        handling of vcall offset.
        (sparc_can_output_mi_thunk): New predicate.
        * doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
        (TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.

        * config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.

        * config/sparc/sparc.md (movdi): Remove redundant test.

2004-10-13  Paolo Bonzini  <bonzini@gnu.org>

        * tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
        TDF_IPA from -fdump-tree-*-all.

2004-10-13  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
        * config/arm/arm.c (thumb_find_work_register): Update comments.
        (arm_load_pic_register): Add argument for scratch register.
        (arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
        * config/arm/arm.md (builtin_setjmp_receiver): Ditto.

2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-data-ref.c: Fix comment typos.

2004-10-13  Jakub Jelinek  <jakub@redhat.com>
            Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17724
        * tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.

2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>

        * rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
        (altivec_builtin_mask_for_store): Likewise.
        (altivec_init_builtins): Use lang_hooks.builtin_function to
        create the decls for builtin_altivec_mask_for_load/store.

2004-10-13  Nick Clifton  <nickc@redhat.com>

        * config/c4x/c4x.c: Remove inclusion of loop.h.

2004-10-12  Ben Elliston  <bje@au.ibm.com>

        * basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
        (ei_container): New; renamed.
        (ei_start, ei_last): New macros.
        (ei_start_1, ei_last_1): Renamed from ei_start.
        (ei_last_1, ei_end_p): Use ei_container() where applicable.
        (ei_one_before_end_p, ei_next, ei_edge): Likewise.
        * gcse.c (remove_reachable_equiv_notes): Use ei_container().

2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
        * cfgloop.c (initialize_loops_parallel_p): New.
        (flow_loops_find): Initialize the parallel_p field to true for all
        the loops.
        * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
        (estimate_numbers_of_iterations_loop): Infers the loop bounds from
        the size of the data accessed in the loop.
        (struct nb_iter_bound): Moved...
        * cfgloop.h (struct nb_iter_bound): ... here.
        (estimated_nb_iterations, parallel_p): New fields in struct loop.
        (record_estimate): Declare extern here.
        * tree-chrec.c: Fix comments.
        (nb_vars_in_chrec): New function.
        * tree-chrec.h (nb_vars_in_chrec): Declared here.
        * tree-data-ref.c: Don't include lambda.h, that is already included
        in tree-data-ref.h.
        (tree_fold_divides_p): Don't check for integer_onep.
        (tree_fold_bezout): Removed.
        (gcd): New static duplicated function.
        (int_divides_p, dump_subscript): New.
        (dump_data_dependence_relation): Use dump_subscript.
        (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
        estimate_niter_from_size_of_data): New.
        (analyze_array_indexes, analyze_array): Call
        estimate_niter_from_size_of_data during the detection of array
        references.  Pass in a pointer to the statement that contains the
        array reference.
        (all_chrecs_equal_p): New.
        (compute_distance_vector): Renamed compute_subscript_distance.
        Deal with multivariate conflict functions.
        (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
        DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
        (non_affine_dependence_relation): New.
        (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
        analyze_siv_subscript, analyze_miv_subscript,
        analyze_overlapping_iterations, subscript_dependence_tester):
        Initialize and return last_conflicts function.
        (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
        compute_overlap_steps_for_affine_1_2): New.
        (analyze_siv_subscript_affine_cst): Removed.
        (analyze_subscript_affine_affine): Disprove dependences based on the
        iteration domains.  Solve the univariate dependence case as before,
        but use lambda_matrix_right_hermite instead of tree_fold_bezout.
        Implement the multivariate case of 2 versus 1 variables.
        (build_classic_dist_vector, build_classic_dir_vector): Implement some
        unhandled cases.
        (find_data_references_in_loop): Compute and initialize
        loop->estimated_nb_iterations and loop->parallel_p.
        (analyze_all_data_dependences): Modify the debug dump order.
        * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
        subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
        (SUB_LAST_CONFLICT, subscript->last_conflict,
        data_dependence_relation->affine_p, data_dependence_relation->size_vect,
        DDR_AFFINE_P, DDR_SIZE_VECT): New.
        (find_data_references_in_loop, initialize_data_dependence_relation,
        dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.

2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>

        * configure: Regenerate.

2004-10-12  Fariborz Jahanian <fjahanian@apple.com>

        PR 17892
        * tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
        (simplify_rhs_and_lookup_avail_expr): Disallow associativity
        and constant folding of floating point MULT_EXPR/PLUS_EXPR
        expressions.

2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
        (s390_gimplify_va_arg): Likewise.

2004-10-12  Daniel Jacobowitz  <dan@debian.org>

        * defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
        (MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
        (REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
        * regclass.c (record_address_regs): Remove ifdef.  Use
        REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
        * regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
        definition.
        (scan_rtx_address, replace_oldest_value_addr): Use
        REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
        * reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
        unnecessary definitions.
        (find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
        and MODE_BASE_REG_REG_CLASS.
        * config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
        (MODE_BASE_REG_REG_CLASS): Define.
        (REGNO_MODE_OK_FOR_REG_BASE_P): Define.
        (REG_MODE_OK_FOR_REG_BASE_P): Define.
        * doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
        REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.

2004-10-12  Daniel Berlin <dberlin@dberlin.org>

        * tree-ssa-alias.c (verify_name_tags): New function.
        (verify_flow_sensitive_alias_info): Remove code that used to check name tags.
        (verify_alias_info): Call verify_name_tags.

2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>

        PR rtl-optimization/17931
        * config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
        ZERO_EXTRACT in it.

2004-10-12  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_print_operand): Use output_operand_lossage where possible
        rather than aborting.

2004-10-12  Paul Brook  <paul@coudesourcery.com>

        * config.gcc: Add armv6{k,z,zk}
        * config/arm/arm-cores.def: Add arm1176 and mpcore.
        * config/arm/tune.md: Regenerate.
        * config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
        Define.
        (all_architectures): Add armv6k, armv6z, armv6zk.
        * config/arm/lib1funcs.asm: Recognise new arm arcitectures.
        * doc/invoke.texi: Document new arch and cpu values.

2004-10-12  Paul Brook  <paul@coodesourcery.com>

        * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
        meabi=4.

2004-10-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
        Handle negative constants.

2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17301
        * c-typeck.c (convert_arguments): Return error_mark_node if there
        are too few arguments.
        (build_function_call): Handle error_mark_node return from
        convert_arguments.

2004-10-06  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac (symbolic_link): Replace with $LN_S.
        (Assembler/Linker): Hard link from gas and binutils trees.
        * aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
        * configure: Regenerate.

2004-10-12  Paul Brook  <paul@codesourcery.com>

        * configure.ac: Don't look for host assembler when building a canadian
        cross.
        * configure: Regenerate.

2004-10-11  Roger Sayle  <roger@eyesopen.com>

        PR other/17361
        * c-opts.c (permit_fortran_options): Delete/obsolete global variable.
        (c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
        line options for "-lang-asm" and if found allow any of the C-family
        front-end options.
        (c_common_handle_option): Remove last use of permit_fortran_options.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (print_operand): Support 'S' format flag.
        * config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
        ("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
        ("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
        ("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
        ("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
        ("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
        ("*movstricthi"): Likewise.
        ("*load_multiple_di", "*load_multiple_si"): Likewise.
        ("*store_multiple_di", "*store_multiple_si"): Likewise.
        ("*sethiqisi", "*sethihisi"): Likewise.
        ("*sethiqidi_64", "*sethiqidi_31"): Likewise.
        ("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
        ("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
        ("*xorqi3", "*xc", "*xc_zero"): Likewise.
        ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.

        ("*tmhi_full"): Fix incorrect op_type attribute.

        ("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
        ("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
        ("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
        ("*subsi3_slb_cc", "*subsi3_slb"): Likewise.

2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu

        PR middle-end/16266
        * function.c (temp_slots_at_level): Fix typo which creates too
        many temp stack slots levels.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_trampoline_template): Generate shorter
        trampoline code.
        (s390_trampoline_instantiate): Adapt.
        * config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.

2004-10-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17657
        * stmt.c (add_case_node): Add additional type argument.  Declare
        as static to match prototype.  Convert the upper and lower bounds
        to the specified index type.  Optimize away case ranges/values
        that are outside the index type's bounds.  Truncate case ranges
        that span the index type's bounds.
        (expand_case): Avoid unnessary computation and memory allocation
        when index type is error_mark_node.  Pass index_type as required
        by change to add_case_node API.  No need to convert case range
        bounds to index_type, this is now done by add_case_node.

2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_offset_p): Add prototype.
        * config/s390/s390.c (s390_offset_p): New function.
        * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
        "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
        transform Q->Q alternatives to *clc pattern.
        ("*clc"): Move.
        ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
        "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
        to transform Q->Q alternatives to *mvc pattern.
        ("*mvc"): Move.  Add peephole to merge adjacent MVCs.
        ("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
        "*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
        transform Q->Q alternatives to *nc pattern.
        ("*nc"): New insn.  New peephole to merge adjacent NCs.
        ("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
        "*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
        transform Q->Q alternatives to *oc pattern.
        ("*oc"): New insn.  New peephole to merge adjacent OCs.
        ("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
        transform Q->Q alternatives to *xc pattern.
        ("*xc"): New insn.  New peephole to merge adjacent XCs.
        ("*xc_zero"): Move.  Add peephole to merge adjacent XCs.

2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * gimplify.c (gimple_push_condition): Make sure that we don't
        have any saved condition cleanup if we were at the top level.

2004-10-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.md (*adddi3_internal): Change name to...
        (adddi3): ...replacing the exisiting define_expand.  Combine
        alternatives.  Fix the range of the constant constraints ('J' instead
        of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
        to extract the lower and upper halves of the DImode operands.
        Always use addi3_lower and adddi3_upper, not the subdi3 forms.
        (adddi3_lower): Fix the range of the constant constraints and
        remove the bogus operands[2] check.
        (adddi3_upper): Use gpr_or_int10_operand as the predicate for
        operand 2.  Use addxi to handle constant operands.
        (subdi3_lower, subdi3_upper): Don't handle constant operands.

2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>

        * gengtype-lex.l: Add commented } & ) characters to unconfuse
        editor's paren matching. Allow #define inside a struct.

2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17703
        part of PR c++/17657
        * fold-const.c (fold_build_cleanup_point_expr): New function.
        * tree.h (fold_build_cleanup_point_expr): Prototype.

2004-10-10  Eric Christopher  <echristo@redhat.com>

        * dwarf2out.c: Move attribute to subprogram declaration
        instead of subroutine type.

2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Remove the prototypes for can_hoist_insn_p,
        hoist_insn_after, and hoist_insn_to_edge.
        * rtl.h: Remove the prototypes for reg_referenced_between_p,
        no_jumps_between_p, and insn_dependent_p.
        * rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
        insn_dependent_p, insn_dependent_p_1, hoist_test_store,
        can_hoist_insn_p, hoist_update_store, hoist_insn_after,
        hoist_insn_to_edge): Remove.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17881
        * c-decl.c (grokparms): Don't warn for parameters of incomplete
        type in declarations that are not definitions except for the case
        of parameters of void type.

2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c: Fix comment typos.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17301
        * builtins.c (expand_builtin_va_start): Check for too few
        arguments to va_start.

2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17189
        * c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
        fields a pedwarn.  Pedwarn here for unnamed structs/unions if
        pedantic.
        * c-parse.in (component_decl): Don't pedwarn here for unnamed
        fields.

2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17906
        * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
        copy non-gimple reg arguments.

2004-10-09  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/17853
        * simplify-rtx.c (simplify_relational_operation): Correct comment.
        Reorganize handling of comparison operations with floating point
        results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
        Likewise, introduce support for comparison operations with vector
        result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.

        * doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
        * doc/tm.texi: Likewise.

2004-10-09  Steven Bosscher  <stevenb@suse.de>

        * regs.h (struct reg_info_def): Remove the last_node_uid and
        changes_mode fields.
        (REGNO_LAST_NOTE_UID): Don't define.
        * regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
        * regmove.c (copy_src_to_dest): Likewise.

2004-10-09  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17894
        * fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
        relational comparison operator op needs to be swapped/reversed when
        C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17902
        * tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
        instead of bsi_start.
        (value_replacement): Likewise.
        (abs_replacement): Likewise

2004-10-09  Steven Bosscher  <stevenb@suse.de>

        * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
        (expand_gimple_cond_expr, expand_gimple_tailcall,
        expand_gimple_basic_block): Use it to dump RTL for each stmt.
        (tree_expand_cfg): Announce full RTL function dump.
        * tree-optimize.c (execute_one_pass): Use normal RTL printing,
        not the graph version.
        * tree-pretty-print.c (dump_generic_node): Allow empty statements
        in the arms of a COND_EXPR for lowered nodes.

2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
        atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
        strtoufix16, strtoufix32, strtoufix64): Declare.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-lex.c (interpret_float): Give a pedwarn rather than a warning
        for an out-of-range floating point constant.
        * builtins.c (fold_builtin_inf): Give a pedwarn rather than a
        warning if the target format does not support infinities.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (last_label_num, base_label_num): Remove.
        (max_label_num): Always return label_num.
        (set_new_last_label_num, restore_emit_status): Remove.
        (init_emit): Don't initialize last_label_num.
        * function.c (pop_function_context_from): Don't call
        restore_emit_status.
        * function.h: Remove the prototype for restore_emit_status.
        * rtl.h: Remove the prototype for set_new_last_label_num.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_decl_init): Remove.
        * tree.h: Remove the corresponding prototype.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * integrate.c (try_constants, subst_constants, mark_stores):
        Remove.
        * integrate.h: Remove the prototype for try_constants.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
        (convert_for_assignment): Handle ic_argpass_nonproto.  Add
        comments about its relevance to errors.
        (c_convert_parm_for_inlining): Use ic_argpass_nonproto.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/16999
        * c-ppoutput.c (cb_ident): Don't quote string as it is already
        quoted.

2004-10-08  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
        reference_node_pool.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c: Fix a comment typo.

2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_register_info): Don't save fprs for
        -msoft-float.
        (s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.

2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
        (TARGET_DEFAULT): Use symbolic values.
        * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
        (TARGET_DEFAULT): Use symbolic values.
        * config/s390/s390.c (s390_backchain_string): Initialize to
        TARGET_DEFAULT_BACKCHAIN.

2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_mempcpy): Move tree handling code to
        fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
        code.
        (expand_builtin_strcat): Accept a type parameter.
        (fold_builtin_mempcpy): Accept a type and endp parameter.

        * builtins.c (expand_builtin_strncpy): Delete duplicate code.
        Accept an `exp' instead of an `arglist'.

2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
        reverting my 2004-09-07 patch to use build_int_cst.

2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/17245
        * config/sparc/sparc.c (input_operand): Remove redundant code
        for handling LO_SUM.
        (legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
        <LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
        Otherwise only accept it for TFmode if quad move insns are available.

2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
        common cases will be caught earlier than others.

2004-10-08  Michael Matz  <matz@suse.de>

        * loop-doloop.c (doloop_optimize): Extend count.

2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
        (prefetch): Convert to expander.

2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
        first argument of CALL.
        (tls_local_dynamic): Likewise.

2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (enum impl_conv): New.
        (convert_for_assignment): Use it.  Take tree for function called
        instead of its name.  Handle ObjC selectors for diagnostics at
        start of function.  Select diagnostic text within the function
        using full sentences for diagnsotics.  Use %qE to name functions
        in diagnostics.
        (convert_arguments, build_modify_expr,
        c_convert_parm_for_inlining, digest_init, c_finish_return): Update
        callers to convert_for_assignment.
        (warn_for_assignment): Remove.

2004-10-08  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c (symbian_possibly_export_base_class):
        Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
        TYPE_CONTAINS_VPTR_P.

2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
        fixed registers form all_used_regs. Update call_really_used_regs.
        (CALL_REALLY_USED_REGISTERS): Define.
        * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
        with call_really_used_regs.

2004-10-08  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
        for -profile as well as -p and -pg.

2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>

        * libgcc2.c (__moddi3): Cast &w to UDWtype*.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_block_forwards_to): Remove.
        * tree-flow.h: Remove the corresponding prototype.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
        for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.

2004-10-07  Geoffrey Keating  <geoffk@apple.com>

        Radar 3813796
        * config/rs6000/rs6000.c (rs6000_generate_compare): When
        flag_trapping_math is in effect, don't generate subtract
        instructions.

2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
        * config/s390/s390.c (s390_narrow_logical_operator): New function.
        (s390_extra_constraint_str): Add 'A' constraints.
        (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
        * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
        (CONSTRAINT_LEN): Likewise.
        * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
        ("*andsi3_zarch", "*andsi3_esa"): Likewise.
        ("*andhi3_zarch", "*andhi3_esa"): Likewise.
        ("*iordi3"): Add OI alternative and splitter.
        ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
        ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
        ("*xordi3"): Add XI alternative and splitter.
        ("*xorsi3", "*xorhi3"): Likewise.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_function_rodata_section): New function.
        (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.

2004-10-07  Devang Patel  <dpatel@apple.com>

        * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
        UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
        UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
        UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
        UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
        UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
        UNSPEC_VCONDU_V16QI): New constant defines.
        (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
        vconduv16qi): New patterns.
        * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
        * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
        (get_vec_cmp_insn): Same.
        (get_vsel_insn): Same.
        (rs6000_emit_vector_compare): Same.
        (rs6000_emit_vector_select): Same.
        (INSN_NOT_AVAILABLE): New.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17749
        * tree-tailcall.c (find_tail_calls): Check that parameter is
        a gimple_reg.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c: Fix a comment typo.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Fix marker for URL.

2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        PR c++/17115
        * tree-inline.c (expand_call_inline): Do not warn for functions
        marked with attribute noinline.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/17862
        * config/sparc/sparc.c (sparc_output_mi_thunk): Set
        current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.

        * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
        of 0 as 4th argument to pass_by_reference.
        Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.

2004-10-06  Eric Christopher  <echristo@redhat.com>

        * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
        attribute.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

        PR target/17770
        * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/17791
        * loop-doloop.c (doloop_modify): Take number of iterations as
        argument.
        (doloop_optimize): Extend or shorten the number of iterations
        when changing mode of counter register.
        * loop-iv.c (lowpart_subreg): Export.
        * rtl.h (lowpart_subreg): Declare.

2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17806
        * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
        * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
        flags moved to split_edge.

2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/17835
        * expmed.c (expand_sdiv_pow2): Force a stack adjustment
        before tentatively building the conditional move sequence.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16815
        * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
        check.
        * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
        function_arg_padding.

2004-10-07  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/17857
        * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.

2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_int_void_1, hook_void_int): Remove.
        * hooks.h: Remove the corresponding prototypes.

2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17849
        * tree-nested.c (walk_stmt_info): Add changed field.
        (convert_nonlocal_reference): Set changed to when we
        change a decl to unnested decl.
        <case ADDR_EXPR>: Instead of checking if the immediate part
        of the ADDR_EXPR changed, check the field changed.
        Use recompute_tree_invarant_for_addr_expr instead of unsetting
        TREE_INVARIANT.
        (convert_local_reference):  Set changed to when we
        change a decl to unnested decl.
        <case ADDR_EXPR>: Instead of checking if the immediate part
        of the ADDR_EXPR changed, check the field changed.
        Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.

2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
        * dwarf2out.c (dwarf2out_init): Remove references to
        DWARF2_GENERATE_TEXT_SECTION_LABEL.
        * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
        * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.

2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (convert_arguments): Take expression for called
        function rather than its name.  Handle ObjC selectors directly
        rather than relying on warn_for_assignment to do so.  Call warning
        directly rather than warn_for_assignment.  Use %qE in diagnostics.
        Say "argument" rather than "arg" in diagnostics.
        (build_function_call): Update call to convert_arguments.

2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/17787
        * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
        ENUMs specially instead of just saying we do.

2004-10-06  Eric Christopher  <echristo@redhat.com>

        * dwarf2.h: Sync with include/elf/dwarf2.h

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
        and TREE_VEC nodes.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
        to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (compute_nest_using_fourier_motzkin): New
        function.
        (lambda_compute_auxillary_space): Split from here.

2004-10-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
        * tree-flow.h: Add prototype.
        * lambda-code.c (invariant_in_loop_and_outer_loops): Use
        expr_invariant_in_loop.

2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Remove a duplicate check for
        EXIT_BLOCK_PTR.

2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s_imm_operand): Remove.
        (s390_pool_operand): Add prototype.
        * config/s390/s390.c (general_s_operand): Remove.
        (s_imm_operand): Remove.
        (s_operand): Merge contents of general_s_operand.
        (s390_pool_operand): New function.
        * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
        * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
        ("*cmpdi_ccu"): Merge Q->Q alternative.
        ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
        ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
        ("*cli"): Remove.
        ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
        ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
        ("*movstricthi"): Use memory_operand instead of s_imm_operand.

2004-10-06  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
        call ia64_function_arg_boundary.
        * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
        * config/ia64/ia64.c (ia64_function_arg_boundary): New.
        (ia64_function_arg_advance): Do not put 128 bit floats into
        FP registers.

2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_strcpy): Delete duplicate code.
        Accept an expression instead of an arglist.
        (expand_builtin_stpcpy): Accept an expression instead of an
        arglist.

2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16007
        * doc/install.texi (*-*-solaris2*): Mention potential problem
        with Sun assembler + GNU linker and C++ programs.
        Document status of binutils 2.15 release.

2004-10-06  Jan Hubicka  <jh@suse.cz>

        * cse.c (cse_main): Kill push/pop context.

2004-10-05  Zack Weinberg  <zack@codesourcery.com>

        * pretty-print.c: Include tree.h.
        (pp_base_prepare_to_format): New function, logic from
        text_specifies_location.
        (pp_base_format_text): Use gcc_assert.
        * pretty-print.h (pp_prepare_to_format): New macro.
        (pp_base_prepare_to_format): Prototype.
        * diagnostic.c (text_specifies_location): Delete.
        (bug_report_request): Delete.
        (diagnostic_set_info): Don't call text_specifies_location.
        (diagnostic_action_after_output): Put text from
        bug_report_request inline here.  Use gcc_unreachable.
        (diagnostic_report_current_function): Fix comment.
        (diagnostic_report_diagnostic): Clarify logic for error recursion.
        Call pp_prepare_to_format before diagnostic_starter.
        (trim_filename): Use IS_DIR_SEPARATOR.
        (fatal_error, internal_error): Use gcc_unreachable.
        (error_recursion): Call diagnostic_action_after_output to
        issue the bug_report_request message and exit.
        * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.

        * c-parse.in: Add list of diagnostic messages to insulate
        translation template from version of yacc/bison used to
        compile the grammar.

2004-10-06  Alan Modra  <amodra@bigpond.net.au>

        PR 16406
        * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Remove the prototype for
        flow_preorder_transversal_compute.
        * cfganal.c (dfst_node): Remove.
        (flow_preorder_transversal_compute): Likewise.
        * rtl.h: Remove the prototype for get_jump_table_offset.
        * rtlanal.c (get_jump_table_offset): Remove.

2004-10-05  Richard Henderson  <rth@redhat.com>

        PR 17756
        * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.

2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/17817
        * Makefile.in: Stage the build directory too.

2004-10-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.

        * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
        (frv_emit_move): Same.

        * config/frv/frv.c (frv_emit_move): New.
        (frv_legitimize_address): New.

        * config/frv/frv.md ("movsi"): Call frv_emit_move.
        ("movqi"): Same.
        ("movhi"): Same.
        ("movdi"): Same.
        ("movsf"): Same.
        ("movdf"): Same.

2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
        system headers.

2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (pushdecl): When an extern declaration at block scope
        refers to a visible entity with internal linkage, use the old DECL
        rather than the new one.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
        comments.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Remove a duplicate check for
        an infinite loop.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
        of FOR_BB_BETWEEN.  Remove a useless check for unreachable
        blocks.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Don't call
        delete_unreachable_blosk() after thread_jumps().
        (thread_jumps): Always remove basic blocks as they become
        unreachable.

2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Remove variable
        something_changed.  Simplify the while loop.

2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_memmove): Delete duplicate code
        and accept a tree type for the result.
        (expand_builtin_bcopy): Accept a tree type for the result.
        (fold_builtin_memmove): Accept an arglist and tree type for
        the result.

2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_dump_pool): Remove return value.
        Use gen_pool_align, gen_pool_section_start/end instead of
        gen_pool_start/end_31/64.
        * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
        (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
        ("pool_start_31", "pool_end_31"): Remove.
        ("pool_start_64", "pool_end_64"): Likewise.
        ("pool_align", "pool_section_start", "pool_section_end": New insns.

        * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
        (TARGET_CANNOT_COPY_INSN_P): Define.
        (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
        (struct constant_pool): New member 'execute'.
        (s390_add_execute, s390_find_execute): New functions.
        (s390_execute_label, s390_execute_target): Likewise.
        (s390_dump_pool): Output in-pool execute target templates.
        (s390_dump_execute): New function.
        (s390_alloc_pool, s390_free_pool): Handle execute templates.
        (s390_mainpool_start, s390_mainpool_finish): Likewise.
        (s390_chunkify_start, s390_chunkify_finish): Likewise.
        * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
        ("*execute"): New insn pattern.
        ("movmem_short", "*movmem_short"): Use splitters to generate
        explicit execute pattern, remove embedded execute.
        ("clrmem_short", "*clrmem_short"): Likewise.
        ("cmpmem_short", "*cmpmem_short"): Likewise.

2004-10-05  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa.c (verify_ssa): Verify phi arguments only
        contain renamed names.

2004-10-05  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux.h: Formatting, whitespace.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/rs6000-protos.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        (easy_vector_splat_const): Add fall thru comments.
        (output_vec_const_move): Likewise.

2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Update -Wno-error exceptions for move to build dir.

2004-10-05  Chao-Ying Fu  <fu@mips.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi (-mpaired-single): Link to the new description of the
        built-in functions.  Document dependencies.
        (-mips3d): Add link here too.
        * doc/extend.texi (MIPS Paired-Single Support): New section.

2004-10-04  Chao-ying Fu  <fu@mips.com>

        * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.

2004-10-04  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize):
        Initialize OPT_STATS to 0.

2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-data-ref.c: Fix comment typos.

2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
        the predicate cannot be computed, don't initialize the result to
        false.

2004-10-01  Eric Christopher  <echristo@redhat.com>

        * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
        locally defined enum.
        * dwarf2out.c (add_calling_convention_attribute): Don't
        emit DW_CC_normal.

2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17178, PR c/17820
        * c-decl.c (pop_scope): Do not warn about unused static
        variables as they warned in the middle-end.

2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_memcpy): Delete duplicate code
        and make the first parameter the expression not the arglist.

2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
        as valid modes to expand address expressions.

2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
        c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
        c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
        code formatting conventions.

2004-10-03  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.

2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/16632
        * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
        fold (A & C) == D into 0, fold ~C.  Similarly, for the case
        where | is used instead of &.

2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>

        * ginclude/stddef.h: Fix a comment typo.

2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/17443
        * config.gcc (i?86-*-solaris2*): Restore correct logic
        for --enable-threads option.
        (sparc64-*-solaris2*): Likewise.
        (sparc-*-solaris2*): Likewise.

2004-10-03  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
        (OS_MISSING_POWERPC64): Move, and comment.
        * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
        (OS_MISSING_POWERPC64): Move, and comment.

2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>

        * arm.c (output_call_mem): Add missing \t.

2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
        expand_builtin_strncmp): Delete duplicate code.

2004-10-02  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
        take check-base and -limit arguments.
        (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
        check ranges for ARRAY_REF and COMPONENT_REF.
        (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
        instrumentation.

2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-objc-common.c (c_tree_printer): Correct description of %E.
        Don't fall through after printing an expression.

2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.

2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
        delete_unrechable_blocks() only when necessary.

2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>

        * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
        (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
        (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
        __gthread_recursive_mutex_unlock): New functions.

2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>

        * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
        * config/s390/tpf-eh.c: Remove file.
        * config/s390/tpf-unwind.h: New file.
        * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
        (MD_UNWIND_SUPPORT): Define.

2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.

2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_comparison): Add prototype.
        * config/s390/s390.c (s390_comparison): New function.
        (s390_branch_condition_mask): Return -1 for invalid comparisons.
        (s390_branch_condition_mnemonic): Assert valid comparison.
        * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
        * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
        "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
        s390_comparison instead of comparison_operator.

        * config/s390/s390.md (UNSPEC_CMPINT): New constant.
        ("cmpmemdi"): Remove.
        ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
        ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
        ("cmpint_si"): Rename to ...
        ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
        ("cmpint_di", "*cmpint_di"): Likewise.
        * config/s390/s390.c (s390_canonicalize_comparison): Remove
        redundant UNSPEC_CMPINT conversions.
        (s390_expand_cmpmem): Adapt to cmpint pattern changes.

2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>

        * collect2.c (COLLECT_PARSE_FLAG): Remove.
        (main): Remove a reference to COLLECT_PARSE_FLAG
        * system.h: Poison COLLECT_PARSE_FLAG.
        * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.

2004-10-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/crti.asm: Give _init and _fini function type.

2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>

        * common.opt (ftree-loop-ivcanon): Enable by default.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
        Enable complete loop unrolling.
        (canonicalize_induction_variables, tree_unroll_loops_completely):
        Reset scev info.

2004-10-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
        not register number.
        (thumb_find_work_register): Search full register range.

2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17343
        * tree-cfg.c (group_case_labels): Get the label and not
        the case expr for the default case.
        When the label we looking at is the default, decrement the
        new_size.

2004-10-01  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * toplev.h (tree_rest_of_compilation): Update prototype.
        * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.

2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (cleanup_tree_cfg): Pull a call to
        cleanup_control_flow() out of the while loop.

2004-10-01  Paolo Bonzini  <bonzini@gnu.org>

        * tree-vectorizer.c (vectorizable_operation): Fail unless
        the mode for the vector type is indeed a vector mode.

2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
        chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
        of convert.
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
        add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
        follow_ssa_edge_in_rhs): Ditto.
        * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
        (dump_iv): Dump base_object.
        (dump_use, dump_cand): Use dump_iv.
        (determine_base_object): New function.
        (alloc_iv): Initialize base_object field.
        (record_use): Clear the ssa_name field of iv.
        (get_computation_cost_at): Do not use difference of addresses of
        two different objects.
        (may_eliminate_iv): Do not require the loop to have just single exit.
        * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
        (nonzero_p): New function.
        (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
        tree_simplify_using_condition, simplify_using_initial_conditions,
        loop_niter_by_eval, find_loop_niter_by_eval,
        estimate_numbers_of_iterations_loop, compare_trees,
        upper_bound_in_type, lower_bound_in_type,
        can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
        fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
        instead of integer_(non)zerop.

2004-10-01  Jakub Jelinek  <jakub@redhat.com>

        Revert
        2004-09-29  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
        and TI_VA_LIST_FPR_COUNTER_FIELD.
        (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
        * tree-pass.h (pass_stdarg): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
        * tree-stdarg.c: New file.
        * Makefile.in (OBJS-common): Add tree-stdarg.o.
        (tree-stdarg.o): Add dependencies.
        * function.h (struct function): Add va_list_gpr_size and
        va_list_fpr_size fields.
        * function.c (allocate_struct_function): Initialize them.

        * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (ix86_setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (ix86_va_start): Don't set up fields that won't be used.

        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (rs6000_va_start): Don't set up fields that won't be used.

2004-09-30  Eric Christopher  <echristo@redhat.com>

        * dwarf2.h (dwarf_calling_convention): Add enum for renesas
        sh abi.
        * dwarf2out.c (add_calling_convention_attribute): New function.
        (gen_subroutine_type_die): Use.
        * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
        * target.h (gcc_target): Add dwarf_calling_convention.
        * hooks.c (hook_int_tree_0): New function.
        * hooks.h: Prototype.
        * config/sh/sh.c: Include dwarf2.h.
        (sh_dwarf_calling_convention): New function.
        (TARGET_DWARF_CALLING_CONVENTION): Use.
        * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.

2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
        expand_builtin_strrchr, expand_builtin_strpbrk,
        expand_builtin_strncat, expand_builtin_strspn,
        expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
        code.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_expand_logical_operator): Add
        prototype.
        (s390_logical_operator_ok_p): Likewise.
        * config/s390/s390.c (s390_expand_logical_operator): New function.
        (s390_logical_operator_ok_p): Likewise.
        * config/s390/s390.md ("anddi3"): New expander.
        ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
        ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
        ("andsi3"): Use s390_expand_logical_operator.
        ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
        ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
        ("andhi3"): New expander.
        ("*andhi3_zarch", "*andhi3_esa"): New patterns.
        ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
        ("andqi3"): New expander.
        ("*andqi3_zarch", "*andqi3_esa"): New patterns.
        ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
        ("iordi3"): New expander.
        ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
        ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
        ("iorsi3"): Use s390_expand_logical_operator.
        ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
        ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
        ("iorhi3"): New expiorer.
        ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
        ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
        ("iorqi3"): New expiorer.
        ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
        ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
        ("xordi3"): New expander.
        ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
        ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
        ("xorsi3"): New expander.
        ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
        ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
        ("xorhi3"): New expander.
        ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
        ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
        ("xorqi3"): New expander.
        ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
        ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.

2004-09-30  Roger Sayle  <roger@eyesopen.com>

        * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
        (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
        machine mode as the result.

2004-09-30  Ben Elliston  <bje@au.ibm.com>

        PR bootstrap/17761
        * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
        FOR_EACH_EDGE macros.

2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (readonly_error): Remove.
        * c-typeck (enum lvalue_use): New.
        (lvalue_or_else, readonly_error): Use it.  All callers changed.
        (readonly_error): Make static.

2004-09-30  Jan Hubicka  <jh@suse.cz>

        PR debug/13974
        * cfgrtl.c (try_redirect_by_replacing_jump,
        force_nonfallthru_and_redirect, commit_one_edge_insertion,
        cfg_layout_merge_blocks):  Do not attach any line number information
        to newly inserted instructions.
        * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
        emit_insn_*_noloc.
        (emit_*insn_before, emit_insn*_after): New.
        (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
        existing locators.
        * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
        (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
        (s390_return_address_offset): Remove.
        (s390_can_eliminate): Add prototype.
        (s390_initial_elimination_offset): Add prototype.
        * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
        (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
        * config/s390/s390.c (s390_arg_frame_offset): Remove.
        (s390_return_address_offset): Remove.
        (s390_can_eliminate, s390_initial_elimination_offset): New functions.
        (struct machine_function): New member split_branches_pending_p.
        (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
        (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
        (s390_optimize_prologue): Remove base_used argument.  Call
        s390_update_frame_layout instead of s390_register_info.  Handle
        prologue/epilogue insns that touch only RETURN_REGNUM.
        (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
        (s390_register_info): Remove base_used and return_addr_used
        arguments, compute special register usage inline.  Return live
        register data to caller.
        (s390_frame_info): Remove arguments, do not call s390_register_info.
        (s390_init_frame_layout): New function.
        (s390_update_frame_layout): Likewise.
        (s390_emit_prologue): Call s390_update_frame_layout; some code
        move to there.  Do not emit pool placeholder insn if unnecessary.

2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimate_reload_constant_p): Remove
        floating point constant workaround.
        (s390_secondary_input_reload_class): Handle PLUS reloads
        with too-large constant.
        (s390_expand_plus_operand): Likewise.
        * config/s390/s390.md ("movdi"): Do not call force_const_mem.
        ("movsi"): Likewise.  Also, remove workaround for non-general
        operands.
        ("movdf"): Do not call force_const_mem.
        ("movsf"): Likewise.  Merge expander with *movsf insn.
        ("*movsf"): Remove, merge with movsf expander.

2004-09-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
        (ENDFILE_SPEC): Define.
        * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.

2004-09-30  Richard Henderson  <rth@redhat.com>

        * config/alpha/qrnnd.asm: Mark for noexecstack.

2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>

        * protoize.c, tree-cfg.c: Fix comment typos.

2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17730
        * c-typeck.c (lvalue_or_else): Pass msgid directly to error.

2004-09-30  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
        expressions...
        (add_pointed_to_expr): ... here.
        Call add_pointed_to_expr for variables with DECL_INITIAL set.
        * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
        pointer variable, if set.

2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Follow spelling conventions.

2004-09-29  Richard Henderson  <rth@redhat.com>

        * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
        * doc/tm.texi (DWARF_ZERO_REG): New.

        * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
        alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
        * config/alpha/alpha.h (DWARF_ZERO_REG): New.

2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
        with a PLUS as source operand.
        (expand_movstr): Likewise.
        (expand_builtin_stpcpy): Likewise.

2004-09-29  Richard Henderson  <rth@redhat.com>

        PR 17739
        * tree-gimple.c (is_gimple_reg): Reject hard registers.
        (is_gimple_asm_val): New.
        * tree-gimple.h (is_gimple_asm_val): Declare.
        * gimplify.c (gimplify_asm_expr): Use it.
        * tree-pretty-print.c (print_declaration): Dump hard regs.
        * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
        * tree-ssa-pre.c (is_undefined_value): Likewise.
        * tree-ssa-copy.c (may_propagate_copy): Likewise.
        (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
        * tree-ssa.c (warn_uninit): Likewise.
        * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.

2004-09-29  Fariborz Jahanian <fjahanian@apple.com>

        * c-decl.c (merge_decls): Use comptype when comparing
        types to decide on DECL_SIZE save of olddecl.

2004-09-29  Daniel Berlin  <dberlin@dberlin.org>

        * tree.h (INDIRECT_REF_P): New macro.
        * alias.c (get_alias_set): Use it
        (nonoverlapping_memrefs_p): Ditto.
        * emit-rtl.c (mem_expr_equal_p): Ditto.
        (set_mem_attributes_minus_bitpos): Ditto.
        (is_gimple_addressable): Ditto.
        (get_base_address): Ditto.
        * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
        * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
        (add_address_candidates): Ditto.
        (rewrite_address_base): Ditto.

2004-09-30  Ben Elliston  <bje@au.ibm.com>

        * tree-flow.h (struct bb_ann_d): Remove num_preds member.
        * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
        (rewrite_ssa_into_ssa): Likewise.
        * tree-phinodes.c (create_phi_node): Access the number of
        predecessor edges using EDGE_COUNT() and not num_preds.

2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/7425
        * c-decl.c (merge_decls): Merge TREE_DEPRECATED.

2004-09-29  Eric Christopher  <echristo@redhat.com>

        * fold-const.c (tree_swap_operands_p): Remove duplicated code.

2004-09-29  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md (moverside, movemside): With MEM, make sure
        the address is (plus reg mem).

2004-09-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.

2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.c (make_node_stat): Fix uninitialized warning.  Replace
        cascaded if ... else if with a switch.

2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * read-rtl.c (apply_macro_to_string): Replace index with strchr.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
        and TI_VA_LIST_FPR_COUNTER_FIELD.
        (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
        * tree-pass.h (pass_stdarg): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
        * tree-stdarg.c: New file.
        * Makefile.in (OBJS-common): Add tree-stdarg.o.
        (tree-stdarg.o): Add dependencies.
        * function.h (struct function): Add va_list_gpr_size and
        va_list_fpr_size fields.
        * function.c (allocate_struct_function): Initialize them.

        * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (ix86_setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (ix86_va_start): Don't set up fields that won't be used.

        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (rs6000_va_start): Don't set up fields that won't be used.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

        * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
        BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
        BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
        BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
        * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
        ATTR_NONNULL_1_4): New.

2004-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/17697
        * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
        cfg if needed.

2004-09-28  Per Bothner  <per@bothner.com>

        * profile.c (branch_prob): Pass correct value to output_location,
        even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.

2004-09-28  Richard Henderson  <rth@redhat.com>

        PR 15089
        * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
        * tree-flow.h (may_propagate_copy_into_asm): Declare.
        * tree-ssa-ccp.c (replace_uses_in): Use it.
        * tree-ssa-dom.c (cprop_operand): Likewise.

2004-09-28 Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c (create_block_for_threading):  Request
        that no outgoing edges be left in the duplicate block.  Do no
        update information on outgoing edges or PHI nodes in target
        blocks here.
        (remove_ctrl_stmt_and_useless_edges): Renamed from
        remove_last_stmt_and_useless_edges.  Handle case where the
        block is empty or has no control statements.  Do not update edge
        flags here.
        (thread_block): Create a template block rather than copying the
        original block every time.  Create outgoing edges from the
        duplicate blocks and update PHIs at the target of the outgoing
        edges here.  Fix edge flags for the original block if necessary.
        * cfghooks (duplicate_block): No longer assert that the original
        block has incoming edges.

2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * doc/extend.texi (Extended Asm): Add blurb about using Explicit
        Reg Vars to enforce register allocation with general constraints.
        (Explicit Reg Vars): Clarify relation to asm statements.
        (Local Reg Vars): Similar.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
        TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
        build_control_flow, new_edge): Remove.
        (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
        (bitlst, bitlst_table_last, bitlst_table): Remove.
        (bblst): Store basic_block pointer instead of block index.
        (bblst_table): Likewise.
        (edgelst): Store edge pointer instead of edge index.
        (edgelst_table, edgelst_last): New variables.
        (extract_bitlst): Rename to ...
        (extract_edgelst): ... this.  Return edge pointers, not indices.
        (split_edges): Update call.
        (rgn_edges): Store edge pointers instead of indices.
        (edge_to_bit): Remove.
        (EDGE_TO_BIT): Store per-region edge index in edge->aux.
        (SET_EDGE_TO_BIT): New macro.
        (is_cfg_nonregular): Check for simple cases of unreachable blocks.
        (find_rgns): Remove edge_list parameter.  Traverse standard CFG
        data structures instead of haifa_edge et al.  Use edge pointers
        instead of edge indices everywhere.
        (compute_dom_prob_ps): Use standard CFG data structures.  Account
        for exit edges.
        (compute_trg_info): Likewise.
        (propagate_deps): Likewise.
        (debug_candidate): Account for bblst data structure change.
        (check_live_1, update_live_1, is_pfree): Likewise.
        (IS_REACHABLE): Use standard CFG data structures.
        (init_ready_list): Update bblst_table/edgelst_table allocation.
        (schedule_region): Update alloc/cleanup code to data structure
        changes.  Use edge->aux to store per-region edge index.
        (init_regions): No longer call build_control_flow.  Do not
        create edge list any more.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * cse.c (cse_insn): Avoid creating direct non-local jumps.
        * combine.c (can_combine_p): Likewise.
        * local-alloc. (update_equiv_regs): Likewise.

2004-09-28  Richard Henderson  <rth@redhat.com>

        PR 17531
        * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
        Don't check VOIDmode here.  Force PLUS operands to common type.
        (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
        Pmode if given a non pointer type.

2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR 17531
        * optabs.c (expand_binop): Force constants to the correct mode.

2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_adjust_cost): Remove.
        (TARGET_SCHED_ADJUST_COST): Do not redefine.
        (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
        * config/s390/s390.md ("main_pool"): Use "larl" type
        attribute if TARGET_CPU_ZARCH.

2004-09-28  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
        variable.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-loop.c (pass_record_bounds): Do not assign a
        name to the pass.

2004-09-28  Steven Bosscher  <stevenb@suse.de>

        * common.opt (flag_gcse_sm): Disable by default.
        (flag_gcse_las): Likewise.
        (flag_web): Likewise.  Create from this file.
        * flags.h: Remove flag_web declaration.
        * toplev.c (flag_web): Likewise.
        (process_options): Never set flag_web.

2004-09-28  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
        * tree-ssa-propagate.c: Include vec.h.
        (interesting_ssa_edges, varying_ssa_edges): Make these VECs
        instead of varrays.
        (cfg_blocks_add): Assert the block is not already in the worklist.
        Update uses of interesting_ssa_edges and varying_ssa_edges.
        (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
        ssa_propagate): Likewise.

2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16409
        * c-decl.c (start_decl): Check for initializing incomplete array
        of VLAs.
        (build_compound_literal): Check for TYPE being error_mark_node.
        * c-parse.in (primary): Check for VLA compound literals.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
        with --disable-checking.

2004-09-28  Devang Patel  <dpatel@apple.com>

        * tree-pretty-print.c (dump_generic_node): Print vector types.

2004-09-28  Nick Clifton  <nickc@redhat.com>

        * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
        invocation of the function sh_init_cumulative_args.
        (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
        (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
        * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
        * config/sh/sh.c (sh_init_cumulative_args): New function based
        on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
        heuristic added to determine the setting of force_mem when a
        library function is being called.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
        Skip constant arguments.

2004-09-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (create_name_tags): If PTR points to a
        volatile type, mark the tag volatile.
        (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
        volatile.

2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.def (vec_cond_expr): Fix. Change 'e'
        to tcc_expression.

2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Fix a comment typo.

2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c, optabs.h: Fix comment typos.

2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc.md (call_address_struct_value_sp32):
        Properly mask the immediate field of the 'unimp' instruction.
        (call_symbolic_struct_value_sp32): Likewise.

2004-09-28  Ben Elliston  <bje@au.ibm.com>
            Steven Bosscher  <stevenb@suse.de>
            Andrew Pinski  <pinskia@physics.uc.edu>

        Merge from edge-vector-branch:
        * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
        (struct edge_def): Remove pred_next, succ_next members.
        (struct basic_block_def): Remove pred, succ members.  Add preds
        and succs members of type VEC(edge).
        (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
        (BRANCH_EDGE): Likewise.
        (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
        (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
        (edge_iterator): New.
        (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
        (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
        (FOR_EACH_EDGE): New.
        * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
        where applicable.
        (rotate_loop): Likewise.
        (find_traces_1_route): Likewise.
        (bb_to_key): Likewise.
        (connect_traces): Likewise.
        (copy_bb_p): Likewise.
        (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
        (add_labels_and_missing_jumps): Likewise.
        (fix_up_fall_thru_edges): Likewise.
        (find_jump_block): Likewise.
        (fix_crossing_conditional_branches): Likewise.
        (fix_crossing_unconditional_branches): Likewise.
        (add_reg_crossing_jump_notes): Likewise.
        * bt-load.c (augment_live_range): Likewise.
        * cfg.c (clear_edges): Likewise.
        (unchecked_make_edge): Likewise.
        (cached_make_edge): Likewise.
        (make_single_succ_edge): Likewise.
        (remove_edge): Likewise.
        (redirect_edge_succ_nodup): Likewise.
        (check_bb_profile): Likewise.
        (dump_flow_info): Likewise.
        (alloc_aux_for_edges): Likewise.
        (clear_aux_for_edges): Likewise.
        (dump_cfg_bb_info): Likewise.
        * cfganal.c (forwarder_block_p): Likewise.
        (can_fallthru): Likewise.
        (could_fall_through): Likewise.
        (mark_dfs_back_edges): Likewise.
        (set_edge_can_fallthru_flag): Likewise.
        (find_unreachable_blocks): Likewise.
        (create_edge_list): Likewise.
        (verify_edge_list): Likewise.
        (add_noreturn_fake_exit_edges): Likewise.
        (connect_infinite_loops_to_exit): Likewise.
        (flow_reverse_top_sort_order_compute): Likewise.
        (flow_depth_first_order_compute): Likewise.
        (flow_preorder_transversal_compute): Likewise.
        (flow_dfs_compute_reverse_execute): Likewise.
        (dfs_enumerate_from): Likewise.
        (compute_dominance_frontiers_1): Likewise.
        * cfgbuild.c (make_edges): Likewise.
        (compute_outgoing_frequencies): Likewise.
        (find_many_sub_basic_blocks): Likewise.
        (find_sub_basic_blocks): Likewise.
        * cfgcleanup.c (try_simplify_condjump): Likewise.
        (thread_jump): Likewise.
        (try_forward_edges): Likewise.
        (merge_blocks_move): Likewise.
        (outgoing_edges_match): Likewise.
        (try_crossjump_to_edge): Likewise.
        (try_crossjump_bb): Likewise.
        (try_optimize_cfg): Likewise.
        (merge_seq_blocks): Likewise.
        * cfgexpand.c (expand_gimple_tailcall): Likewise.
        (expand_gimple_basic_block): Likewise.
        (construct_init_block): Likewise.
        (construct_exit_block): Likewise.
        * cfghooks.c (verify_flow_info): Likewise.
        (dump_bb): Likewise.
        (delete_basic_block): Likewise.
        (split_edge): Likewise.
        (merge_blocks): Likewise.
        (make_forwarder_block): Likewise.
        (tidy_fallthru_edges): Likewise.
        (can_duplicate_block_p): Likewise.
        (duplicate_block): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        (fixup_fallthru_exit_predecessor): Likewise.
        (can_copy_bbs_p): Likewise.
        (copy_bbs): Likewise.
        * cfgloop.c (flow_loops_cfg_dump): Likewise.
        (flow_loop_entry_edges_find): Likewise.
        (flow_loop_exit_edges_find): Likewise.
        (flow_loop_nodes_find): Likewise.
        (mark_single_exit_loops): Likewise.
        (flow_loop_pre_header_scan): Likewise.
        (flow_loop_pre_header_find): Likewise.
        (update_latch_info): Likewise.
        (canonicalize_loop_headers): Likewise.
        (flow_loops_find): Likewise.
        (get_loop_body_in_bfs_order): Likewise.
        (get_loop_exit_edges): Likewise.
        (num_loop_branches): Likewise.
        (verify_loop_structure): Likewise.
        (loop_latch_edge): Likewise.
        (loop_preheader_edge): Likewise.
        * cfgloopanal.c (mark_irreducible_loops): Likewise.
        (expected_loop_iterations): Likewise.
        * cfgloopmanip.c (remove_bbs): Likewise.
        (fix_bb_placement): Likewise.
        (fix_irreducible_loops): Likewise.
        (remove_path): Likewise.
        (scale_bbs_frequencies): Likewise.
        (loopify): Likewise.
        (unloop): Likewise.
        (fix_loop_placement): Likewise.
        (loop_delete_branch_edge): Likewise.
        (duplicate_loop_to_header_edge): Likewise.
        (mfb_keep_just): Likewise.
        (create_preheader): Likewise.
        (force_single_succ_latches): Likewise.
        (loop_split_edge_with): Likewise.
        (create_loop_notes): Likewise.
        * cfgrtl.c (rtl_split_block): Likewise.
        (rtl_merge_blocks): Likewise.
        (rtl_can_merge_blocks): Likewise.
        (try_redirect_by_replacing_jump): Likewise.
        (force_nonfallthru_and_redirect): Likewise.
        (rtl_tidy_fallthru_edge): Likewise.
        (commit_one_edge_insertion): Likewise.
        (commit_edge_insertions): Likewise.
        (commit_edge_insertions_watch_calls): Likewise.
        (rtl_verify_flow_info_1): Likewise.
        (rtl_verify_flow_info): Likewise.
        (purge_dead_edges): Likewise.
        (cfg_layout_redirect_edge_and_branch): Likewise.
        (cfg_layout_can_merge_blocks_p): Likewise.
        (rtl_flow_call_edges_add): Likewise.
        * cse.c (cse_cc_succs): Likewise.
        * df.c (hybrid_search): Likewise.
        * dominance.c (calc_dfs_tree_nonrec): Likewise.
        (calc_dfs_tree): Likewise.
        (calc_idoms): Likewise.
        (recount_dominator): Likewise.
        * domwalk.c (walk_dominator_tree): Likewise.
        * except.c (emit_to_new_bb_before): Likewise.
        (connect_post_landing_pads): Likewise.
        (sjlj_emit_function_enter): Likewise.
        (sjlj_emit_function_exit): Likewise.
        (finish_eh_generation): Likewise.
        * final.c (compute_alignments): Likewise.
        * flow.c (calculate_global_regs_live): Likewise.
        (initialize_uninitialized_subregs): Likewise.
        (init_propagate_block_info): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * gcse.c (find_implicit_sets): Likewise.
        (bypass_block): Likewise.
        (bypass_conditional_jumps): Likewise.
        (compute_pre_data): Likewise.
        (insert_insn_end_bb): Likewise.
        (insert_store): Likewise.
        (remove_reachable_equiv_notes): Likewise.
        * global.c (global_conflicts): Likewise.
        (calculate_reg_pav): Likewise.
        * graph.c (print_rtl_graph_with_bb): Likewise.
        * ifcvt.c (mark_loop_exit_edges): Likewise.
        (merge_if_block): Likewise.
        (find_if_header): Likewise.
        (block_jumps_and_fallthru_p): Likewise.
        (find_if_block): Likewise.
        (find_cond_trap): Likewise.
        (block_has_only_trap): Likewise.
        (find_if_case1): Likewise.
        (find_if_case_2): Likewise.
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
        (perfect_nestify): Likewise.
        * lcm.c (compute_antinout_edge): Likewise.
        (compute_laterin): Likewise.
        (compute_available): Likewise.
        (compute_nearerout): Likewise.
        * loop-doloop.c (doloop_modify): Likewise.
        * loop-init.c (loop_optimizer_init): Likewise.
        * loop-invariant.c (find_exits): Likewise.
        * loop-iv.c (simplify_using_initial_values): Likewise.
        (check_simple_exit): Likewise.
        (find_simple_exit): Likewise.
        * loop-unroll.c (peel_loop_completely): Likewise.
        (unroll_loop_constant_iterations): Likewise.
        (unroll_loop_runtime_iterations): Likewise.
        * loop-unswitch.c (may_unswitch_on): Likewise.
        (unswitch_loop): Likewise.
        * modulo-sched.c (generate_prolog_epilog): Likewise.
        (sms_schedule): Likewise.
        * postreload-gcse.c (eliminate_partially_redundant_load):
        Likewise.
        * predict.c (can_predict_insn_p): Likewise.
        (set_even_probabilities): Likewise.
        (combine_predictions_for_bb): Likewise.
        (predict_loops): Likewise.
        (estimate_probability): Likewise.
        (tree_predict_by_opcode): Likewise.
        (tree_estimate_probability): Likewise.
        (last_basic_block_p): Likewise.
        (propagate_freq): Likewise.
        (estimate_loops_at_level): Likewise.
        (estimate_bb_frequencies): Likewise.
        * profile.c (instrument_edges): Likewise.
        (get_exec_counts): Likewise.
        (compute_branch_probabilities): Likewise.
        (branch_prob): Likewise.
        * ra-build.c (live_in): Likewise.
        * ra-rewrite.c (rewrite_program2): Likewise.
        * ra.c (reg_alloc): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        (convert_regs_entry): Likewise.
        (compensate_edge): Likewise.
        (convert_regs_1): Likewise,
        (convert_regs_2): Likewise.
        (convert_regs): Likewise.
        * regrename.c (copyprop_hardreg_forward): Likewise.
        * reload1.c (fixup_abnormal_edges): Likewise.
        * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
        (sbitmap_insersection_of_preds): Likewise.
        (sbitmap_union_of_succs): Likewise.
        (sbitmap_union_of_preds): Likewise.
        * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
        (fix_basic_block_boundaries): Likewise.
        (sched_ebbs): Likewise.
        * sched-rgn.c (build_control_flow): Likewise.
        (find_rgns): Likewise.
        * tracer.c (find_best_successor): Likewise.
        (find_best_predecessor): Likewise.
        (tail_duplicate): Likewise.
        * tree-cfg.c (make_edges): Likewise.
        (make_ctrl_stmt_edges): Likewise.
        (make_goto_expr_edges): Likewise.
        (tree_can_merge_blocks_p): Likewise.
        (tree_merge_blocks): Likewise.
        (cfg_remove_useless_stmts_bb): Likewise.
        (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
        (tree_block_forwards_to): Likewise.
        (cleanup_control_expr_graph): Likewise.
        (find_taken_edge): Likewise.
        (dump_cfg_stats): Likewise.
        (tree_cfg2vcg): Likewise.
        (disband_implicit_edges): Likewise.
        (tree_find_edge_insert_loc): Likewise.
        (bsi_commit_edge_inserts): Likewise.
        (tree_split_edge): Likewise.
        (tree_verify_flow_info): Likewise.
        (tree_make_forwarder_block): Likewise.
        (tree_forwarder_block_p): Likewise.
        (thread_jumps): Likewise.
        (tree_try_redirect_by_replacing_jump): Likewise.
        (tree_split_block): Likewise.
        (add_phi_args_after_copy_bb): Likewise.
        (rewrite_to_new_ssa_names_bb): Likewise.
        (dump_function_to_file): Likewise.
        (print_pred_bbs): Likewise.
        (print_loop): Likewise.
        (tree_flow_call_edges_add): Likewise.
        (split_critical_edges): Likewise.
        (execute_warn_function_return): L