* tree-ssa-dce.c (mark_stmt_if_obviously_necessary)

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

2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
        <COND_EXPR>: Use EDGE_COUNT instead of GOTO_DESTINATION.

2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi,
        doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
        doc/libgcc.texi, doc/md.texi, doc/passes.texi,
        doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting.

2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/cpp.texi, doc/implement-c.texi,
        doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/tm.texi: Put
        punctuation outside quotes.

2004-10-27  David Mosberger  <davidm@hpl.hp.com>
            James E Wilson  <wilson@specifixinc.com>

        PR target/13158
        * config/ia64/ia64.c (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on
        sibcall alloc instruction.
        (process_set): Handle sibcall alloc instruction.

2004-10-27  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_attribute_table): Add
        SUBTARGET_ATTRIBUTE_TABLE.
        * config/darwin.h (ASM_WEAKEN_DECL): Handle weak_import.
        (SUBTARGET_ATTRIBUTE_TABLE): Define.
        * config/darwin.c (darwin_handle_weak_import_attribute): New.
        (HAVE_DEAD_STRIP): Delete.
        (no_dead_strip): Don't test HAVE_DEAD_STRIP.
        * config/darwin-protos.h (darwin_handle_weak_import_attribute):
        Prototype.

        * doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.

        * config/darwin.h (GTHREAD_USE_WEAK): Define.

2004-10-28  Ben Elliston  <bje@au.ibm.com>

        * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): New.
        (PARAM_SRA_FIELD_STRUCTURE_RATIO): Likewise.
        * params.h (SRA_MAX_STRUCTURE_SIZE): New.
        (SRA_FIELD_STRUCTURE_RATIO): Likewise.
        * tree-sra.c: Include "params.h".
        (decide_block_copy): Use new parameters.
        * doc/invoke.texi (Optimize Options): Document new SRA pass
        parameters sra-max-structure-size and sra-field-structure-ratio.

2004-10-27  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-df.S (floatdidf): Fix regression with big values.

2004-10-27  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18048
        * fold-const.c (try_move_mult_to_index): New function.
        (fold): Use try_move_mult_to_index.
        * tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
        an all-ones unsigned constant without extra bits.
        * tree.c (build_low_bits_mask): New function.
        * tree.h (build_low_bits_mask): Declare.

2004-10-27  David Edelsohn  <edelsohn@gnu.org>

        PR target/17956
        * config/rs6000/rs6000.md (maxsf3): Add !flag_trapping_math to
        final condition.
        (minsf3): Same.
        (maxdf3): Same.
        (mindf3): Same.

2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by reordering the two
        conditions for entering basic blocks into worklist.

2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by pretending to have
        ENTRY_BLOCK_PTR in worklist.

2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
        <GOTO_EXPR>: Don't let an explicit GOTO_EXPR slip through.

2004-10-27  Daniel Berlin <dberlin@dberlin.org>
        
        Fix PR tree-optimization/17133
        
        * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
        def kill operand.

        * tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
        (get_v_must_def_result_ptr): Modify for new structure of
        v_must_defs array.
        (get_v_must_def_kill_ptr): New.
        (op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
        (op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
        (op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
        (op_iter_init): Initialize new mustu members.
        (op_iter_next_mustdef): New function.
        (op_iter_init_mustdef): Ditto.

        * tree-flow.h (rewrite_def_def_chains): New function.

        * tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
        (ssa_mark_def_sites): Ditto.
        (rewrite_stmt): Ditto.
        (ssa_rewrite_stmt): Ditto.
        (rewrite_blocks): Factor out from rewrite_into_ssa.
        (mark_def_block_sites): Ditto.
        (rewrite_def_def_chains): New function, just rewrites def-def
        chains without phi node insertion.

        * tree-pass.h (TODO_fix_def_def_chains): New todo flag.

        * tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.       

        * tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
        they include the rhs now.

        * tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
        V_MUST_DEF_RESULT. 

        * tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
        Update callers.
        (mark_really_necessary_kill_operand_phis): New function.
        (perform_tree_ssa_dce): Call it.
        (pass_dce): Add TODO_fix_def_def_chains.
        (pass_cd_dce): Ditto.

        * tree-ssa-loop-im.c (determine_max_movement): Look at kills as
        well.
        (rewrite_mem_refs): Ditto.

        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
        as well.

        * tree-ssa-operands.c (allocate_v_may_def_optype):
        v_may_def_operand_type_t became v_def_use_operand_type_t.
        (allocate_v_must_def_optype) Ditto.
        (finalize_ssa_v_must_defs): Update for new operand type, as well
        as setting the use portion as well.
        (copy_virtual_operands): Copy the kill operand as well.
        (create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
        V_MUST_DEF_RESULT. 

        * tree-ssa-operands.h (v_may_def_operand_type): Renamed to
        v_def_use_operand_type. 
        (v_must_def_optype_d): Use v_def_use_operand_type.
        (V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
        (V_MUST_DEF_KILL_*): New macros.
        (struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
        members.
        Rename existing must_i and num_v_must members to mustd_i and
        num_v_mustd. 
        (SSA_OP_VMUSTDEFKILL): New flag.
        (SSA_OP_VIRTUAL_KILLS): New flag.
        (SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
        (SSA_OP_ALL_KILLS): New flag.
        (FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.

        * tree-ssa.c (verify_ssa): Verify virtual kills as well.

        * tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
        became V_MUST_DEF_RESULT.
        (rename_variables_in_bb): Rename kill pointer as well.

        * tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
        immediate uses.

2004-10-27  Richard Sandiford  <rsandifo@redhat.com>

        * dbxout.c (dbxout_source_line): Move declaration of begin_label to
        the block that needs it.

2004-10-27  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c (dbxout_finish_complex_stabs): Mark 'line' variable
        ATTRIBUTE_UNUSED.

2004-10-27  Zack Weinberg  <zack@codesourcery.com>

        * c-lex.c (cb_def_pragma): Clean up code for making location
        palatable to diagnostic.c.

2004-10-27  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17757
        * tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
        without any PHI arguments left.  Make sure the argument that
        we're supposed to remove exists at all.

2004-10-27  Paul Brook  <paul@codesourcery.com>

        * configure.ac: Don't test for [build] __cxa_atexit when building a
        cross compiler.
        * configure: Regenerate.

2004-10-27  Paul Brook  <paul@codeosurcery.com>

        * configure.ac: Use build_exeext not host_exeext when lookin for
        target tools.
        * configure: Regenerate.

2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*subdf3_cc"): Replaced plus by minus.

2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
            patch originally created by Kelley Cook  <kcook@gcc.gnu.org>

        PR middle-end/14684
        * opts.c (OPT_fprofile_generate): Default to -funroll-loops
        to match -fprofile-use.

2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/rs6000.c: Fix a comment typo.

2004-10-27  Zack Weinberg  <zack@codesourcery.com>

        * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line
        counter.

2004-10-27  Andreas Schwab  <schwab@suse.de>

        * varasm.c (default_stabs_asm_out_destructor): Mark symbol as
        unused.
        (default_stabs_asm_out_constructor): Likewise.

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

        * builtins.c (fold_builtin_unordered_cmp): Always bring both
        operands to the same type.

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): Likewise.
        (extract_true_false_edges_from_block): Likewise.
        * tree-if-conv.c (tree_if_conversion): Likewise.
        (if_convertable_bb_p): Likewise.
        (find_phi_replacement_condition): Likewise.
        (combine_blocks): Likewise.
        * tree-into-ssa.c (compute_global_livein): Likewise.
        (ssa_mark_phi_uses): Likewise.
        (ssa_rewrite_initialize_block): Likewise.
        (rewrite_add_phi_arguments): Likewise.
        (ssa_rewrite_phi_arguments): Likewise.
        (insert_phi_nodes_for): Likewise.
        (rewrite_into_ssa): Likewise.
        (rewrite_ssa_into_ssa): Likewise.
        * tree-mudflap.c (mf_build_check_statement_for): Likewise.
        * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
        (rewrite_trees): Likewise.
        * tree-pretty-print.c (dump_bb_header): Likewise.
        (dump_implicit_edges): Likewise.
        * tree-sra.c (insert_edge_copies): Likewise.
        (find_obviously_necessary_stmts): Likewise.
        (remove_data_stmt): Likewise.
        * tree-ssa-dom.c (thread_across_edge): Likewise.
        (dom_opt_finalize_block): Likewise.
        (single_incoming_edge_ignoring_loop_edges): Likewise.
        (record_equivalences_from_incoming_edges): Likewise.
        (cprop_into_successor_phis): Likewise.
        * tree-ssa-live.c (live_worklist): Likewise.
        (calculate_live_on_entry): Likewise.
        (calculate_live_on_exit): Likewise.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
        (copy_loop_headers): Likewise.
        * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
        (fill_always_executed_in): Likewise.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
        (compute_phi_arg_on_exit): Likewise.
        * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
        (get_loops_exit): Likewise.
        (split_loop_exit_edge): Likewise.
        (ip_normal_pos): Likewise.
        * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
        Likewise.
        * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
        (replace_phi_with_stmt): Likewise.
        (value_replacement): Likewise.
        * tree-ssa-pre.c (compute_antic_aux): Likewise.
        (insert_aux): Likewise.
        (init_pre): Likewise.
        * tree-ssa-propagate.c (simulate_stmt): Likewise.
        (simulate_block): Likewise.
        (ssa_prop_init): Likewise.
        * tree-ssa-threadupdate.c (thread_block): Likewise.
        (create_block_for_threading): Likewise.
        (remove_last_stmt_and_useless_edges): Likewise.
        * tree-ssa.c (verify_phi_args): Likewise.
        (verify_ssa): Likewise.
        * tree_tailcall.c (independent_of_stmt_p): Likewise.
        (find_tail_calls): Likewise.
        (eliminate_tail_call): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * tree-vectorizer.c (vect_transform_loop): Likewise.
        * var-tracking.c (prologue_stack_adjust): Likewise.
        (vt_stack_adjustments): Likewise.
        (vt_find_locations): Likewise.
        * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
        * config/i386/i386.c (ix86_pad_returns): Likewise.
        * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.

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

        PR target/16532
        * config/sparc/sparc.c (struct machine_function): New field
        'leaf_function_p' and 'prologue_data_valid_p'.
        (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
        to conveniently access the above fields.
        (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
        (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
        of the generic flavor 'current_function_uses_only_leaf_regs'.
        (eligible_for_sibcall_delay): Likewise.
        (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
        'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
        (sparc_asm_function_prologue): Add sanity check for the assumption
        made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
        (sparc_can_use_return_insn_p): New function.
        (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
        (output_restore): Likewise.
        (output_sibcall): Likewise.
        (sparc_output_mi_thunk): Likewise.
        * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
        * config/sparc/sparc.md (return): New expander.

        * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.

2004-09-27  Mark Mitchell  <mark@codesourcery.com>

        PR c++/17642
        * stor-layout.c (layout_decl): Use fold_convert, not convert.
        (bit_from_pos): Likewise.
        (byte_from_pos): Likewise.
        (pos_from_bit): Likewise.
        (normalize_offset): Likewise.
        (place_field): Likewise.
        (finalize_type_size): Likewise.
        (layout_type): Likewise.
        * tree.c (build_index_type): Likewise.

2004-09-27  Devang Patel  <dpatel@apple.com>

        * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
        * genopinit.c (optabs): New entry for vcond_gen_code and
        vcondu_gen_code.
        * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
        (get_rtx_code): New function.
        (vector_compare_rtx): New function.
        (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
        (expand_vec_cond_expr_p): New function.
        (expand_vec_cond_expr): New function.
        (get_vcond_icode): New function.
        * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
        (vcond_gen_code, vcondu_gen_code): Same.

2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (STAGESTUFF): Split into ...
        (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
        (mostlyclean): Update.
        (stage1-start, stage2-start, stage3-start, stage4-start,
        stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
        Move the STAGEMOVESTUFF.

2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * system.h (getpagesize): Return 'int' instead of 'long'.

2004-09-27  Michael Matz <matz@suse.de>

        PR bootstrap/17698
        PR bootstrap/17702
        * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
        bmp_iter_and_init): Shift by bit_in_word.

2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
        * configure.ac: Don't sinclude it here.
        * configure: Regenerate.

2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
        Handle AND pattern

2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/13804
        * c-typeck.c (build_component_ref): Name type involved in
        diagnostic for structure or union without a member of the given
        name.

2004-09-27  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
        .comm alignment is bytes, not bits.

2004-09-27  Devang Patel  <dpatel@apple.com>

        * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
        (print_call_name): Do not print VEC_COND_EXPR.

2004-09-27  Devang Patel  <dpatel@apple.com>

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

2004-09-27  Jan Hubicka  <jh@suse.cz>

        * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.

2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.h: Fix a comment typo.

2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * libgcc2.c (getpagesize): Change type of return value to int.

2004-09-26  Matt Austern  <austern@apple.com>

        * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
        using mmap.

2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
        EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
        (bitmap_iterator): New type.
        (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
        bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
        bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
        bmp_iter_and_init, bmp_iter_and_next): New functions.
        * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
        EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
        use iterator-style EXECUTE_IF_IN_BITMAP macros.
        * bitmap.c (bitmap_print): Ditto.
        * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
        btr_def_live_range): Ditto.
        * cfganal.c (compute_dominance_frontiers_1) Ditto.
        * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
        Ditto.
        * ddg.c (build_inter_loop_deps): Ditto.
        * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
        Ditto.
        * except.c (remove_eh_handler): Ditto.
        * flow.c (reg_set_to_hard_reg_set): Ditto.
        * gcse.c (clear_modify_mem_tables): Ditto.
        * global.c (build_insn_chain): Ditto.
        * ifcvt.c (dead_or_predicable): Ditto.
        * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
        Ditto.
        * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
        * ra-rewrite.c (reloads_to_loads, rewrite_program2,
        detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
        * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
        tree_purge_all_dead_eh_edges): Ditto.
        * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
        insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
        rewrite_ssa_into_ssa): Ditto.
        * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
        * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
        Ditto.
        * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
        compute_flow_sensitive_aliasing, maybe_create_global_var,
        dump_points_to_info_for): Ditto.
        * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
        * tree-ssa-dse.c (dse_finalize_block): Ditto.
        * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
        calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
        Ditto.
        * tree-ssa-loop-ivopts.c (find_induction_variables,
        find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
        determine_use_iv_costs, determine_set_costs, find_best_candidate,
        set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
        Ditto.
        * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
        * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
        add_call_read_ops): Ditto.
        * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.

2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
        UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.

2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
        reflect size of memory regions being compared.

2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
        expressions.  Always clear MEM_SIZE and alias set.

2004-09-26  Roger Sayle  <roger@eyesopen.com>
            Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        PR middle-end/17112
        * stor-layout.c (compute_record_mode): For records with a single
        field, only use the field's mode if its size matches what we'd
        have choosen for the record ourselves.  This forces the use of
        BLKmode for packed records that don't completely fill a mode.

2004-09-26  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17151
        * combine.c (force_to_mode): Remove dubious early return test that
        inhibits further optimization.

2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>

        * profile.c: Fix a comment typo.

2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR bootstrap/17591
        * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
        with varying offset.
        * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
        (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
        ARRAY_REFS.
        (expr_invariant_in_loop_p): New function.
        (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
        component_ref_field_offset for COMPONENT_REFs.  Do not allow
        ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
        (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
        MISALIGNED_INDIRECT_REFs.
        (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
        (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
        MISALIGNED_INDIRECT_REFs.

2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11459
        * gcc.c (cpp_options, cc1_options): Preserve relative order of
        -std and -ansi options.

2004-09-26  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
        for nested functions whose proper parent has not been output.

        * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
        when re-constructing profile previously invalidated by loop.

2004-09-25  Dale Johannesen  <dalej@apple.com>

        * tree-gimple.c:  Move GIMPLE definition...
        * doc/tree-ssa.texi:  here.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
        gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
        lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
        tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-unswitch.c: Fix a comment typo.

2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/passes.texi: Fix a typo.

2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_record_bounds.
        * tree-pass.h (pass_record_bounds): Declare.
        * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
        New pass.

2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/17474
        * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
        offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.

2004-09-25  Jan Hubicka  <jh@suse.cz>

        * predict.c (counts_to_freqs): Make global.
        * predict.h (counts_to_freqa): Declare.
        * profile.c (compute_branch_probabilities): Compute frequencies
        * tree-profile.c (do_tree_profiling): Refine conditional on when
        tree profiling pass is needed.

        * passes.c (rest_of_handle_cfg): Disable const/pure function
        detection when doing tree based profiling.

        * tree-inline.c (expand_call_inline): Fix incorrectly reversed
        conditional.

2004-09-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (struct mips_args): Clarify comments.
        * config/mips/mips.c (struct mips_arg_info): Likewise.
        (mips_arg_info): Don't allow fpr_p to affect the register or
        stack alignment.  Remove o64 silliness.
        (function_arg): Deal with the o32 float,float case specially.

2004-09-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (loadx, storex): Define for V2SF.

2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
        * config/s390/s390.c (s390_back_chain_rtx): New function.
        * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
        Call anti_adjust_stack.
        ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
        only if compiling with back chain.
        ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
        back chain only if back chain enabled.  Use s390_back_chain_rtx.

2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/trouble.texi: Remove obsolete information.  Update
        information on how to regenerate fixincluded headers.

2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12951
        * doc/invoke.texi: Document that
        -Wno-error-implicit-function-declaration is not accepted.

2004-09-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
        * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
        on TARGET_MAX.
        (alpha_expand_mov): Allow unaligned vectors.
        (alpha_expand_unaligned_store): Use CONST0_RTX.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.

2004-09-24 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
        aliasing rules.
        (simplify_cond_and_lookup_avail_expr): Likewise.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12802
        * doc/extend.texi (Unnamed Fields): Remove "." from end of long
        title.  Document interaction with -fms-extensions.
        * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
        section.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12713
        * doc/extend.texi: Document interaction of attribute noreturn and
        longjmp.

2004-09-24  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/17503
        * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
        (som_hash, som_eq): New.
        (init_subregs_of_mode, record_subregs_of_mode): New.
        (cannot_change_mode_set_regs): Rewrite for htab implementation.
        (invalid_mode_change_p): Likewise.
        * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
        * flow.c (mark_used_regs): Likewise.
        (life_analysis): Use init_subregs_of_mode.
        * regs.h (subregs_of_mode): Remove.
        * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-phiopt.c (conditional_replacement): Use the correct
        type with the copy of the conditional.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/16954
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Prevent renaming if the aliasing sets of the type which the
        pointer points to are different.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17188
        * c-decl.c (diagnose_mismatched_decls): Check for duplicate
        declarations of enumerators.
        (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
        for redefinition.  Check for nested redefinition.
        (finish_struct): Don't check for nested redefinition.
        (start_enum): Check for nested redefinition.

2004-09-24  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
        only when necesssary.
        (combine_blocks): Combine loop header and exit block.

2004-09-24  Paolo Bonzini  <bonzini@gnu.org>

        * hooks.c (hook_tree_tree_bool_null): New.
        * hooks.h (hook_tree_tree_bool_null): Declare it.
        * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
        * targhooks.c (default_fold_builtin): Remove.
        * targhooks.h (default_fold_builtin): Remove.

2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/17625
        * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17624
        * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
        Reject if any of the operands occur in an abnormal PHI.

2004-09-24  Andreas Schwab  <schwab@suse.de>

        * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
        rules.

2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
        if the GNU assembler is used.
        (sparc-*-solaris2*): Likewise.
        * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
        (dbxout_function_end): Protect N_ENSYM with it.
        (dbxout_begin_prologue): Protect N_BNSYM with it.
        * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
        * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
        * config/sparc/sol2-gas.h: New file.

2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/17369
        * Makefile.in (@set_gcc_lib_path@): Added.

        * configure.ac: Include ../config/gcc-lib-path.m4. Use
        TL_AC_GNU_MAKE_GCC_LIB_PATH.
        * configure: Regenerated.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/6980
        * c-typeck.c (build_c_cast): Improve wording of
        -Wbad-function-cast diagnostic.

2004-09-23  Hans-Peter Nilsson  <hp@axis.com>

        PR target/17626
        * config/cris/cris.md (moverside, movemside): Rename variable
        "reg" to "otherop".  To generate canonical RTX, check that otherop
        isn't constant instead of checking that operand 1 is a register.

2004-09-23  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.

2004-09-23  Diego Novillo  <dnovillo@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * tree-flow.h (find_new_referenced_vars): Add prototype.
        * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
        Move to...
        * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
        ... here.
        (mark_new_vars_to_rename): Walk through all operands.
        * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
        (execute_fold_all_builtins): Use it.
        (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.

2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>

        * gthr-tpf.h: New file.
        * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
        * gthr.h: Use gthr-tpf.h on TPF OS.

2004-09-23 Jeff Law  <law@redhat.com>

        * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
        than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
        (substitute_and_fold):  Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
        except invariants from SSA_NAME_VALUE.
        (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
        and SET_SSA_NAME_EQUIV.
        (restore_vars_to_original_value, record_const_or_copy): Likewise.
        (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
        (record_equality, cprop_into_successor_phis): Likewise.
        (record_equivalences_from_stmt, cprop_operand): Likewise.
        (lookup_avail_expr): Likewise.
        * tree-ssa-pre.c (fini_pre): Remove everything except invariants
        from SSA_NAME_VALUE.
        * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
        (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
        annotation from the VALUE_HANDLE field.

2004-09-21 Fariborz Jahanian <fjahanian@apple.com>

        PR c++/13989
        PR c++/9844
        * tree.c (reconstruct_complex_type): Remove extra "this".
        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
        Add V4SFmode to case statement.

2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16833
        * doc/extend.texi, doc/invoke.texi: Document interaction of
        -fno-builtin with format checks.  Note that built-in functions
        have effects beyond generating code that avoids calls to those
        functions.

2004-09-23  Frank Ch. Eigler <fche@redhat.com>

        PR tree-optimization/17533
        * dominance.c (verify_dominators): Tolerate even more incorrect
        dominance data during error message printing.
        * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
        and edges more correctly.

2004-09-23  Dorit Naishlos <dorit@il.ibm.com>

        * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
        New tree-codes.
        * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
        MISALIGNED_INDIRECT_REF.
        * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
        Likewise.
        * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
        (find_interesting_uses_address): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p): Likewise.
        (build_fold_addr_expr_with_type): Likewise.
        * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
        * print-rtl.c (print_mem_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
        * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
        * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
        Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
        * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
        (add_address_candidates, rewrite_address_base): Likewise.
        * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
        Likewise.
        * tree.c (staticp, build1_stat): Likewise.

        * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
        * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

        * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
        optabs.
        (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
        for the new optabs.
        (expand_ternary_op): New function.
        * genopinit.c (optabs): Handle the new optabs.
        * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
        (init_optabs): Initialize vec_realign_load_optab.
        (expand_ternary_op): New functions.

        * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
        * target.h (struct vectorize): New member for struct gcc_target.
        (misaligned_mem_ok): New member for targetm.vectorize.
        (builtin_mask_for_load): Likewise.
        (builtin_mask_for_store): Likewise.
        * targethooks.c (default_vect_misaligned_mem_ok): New function.
        * targethooks.h (default_vect_misaligned_mem_ok): New function.

        * config/rs6000/altivec.md (build_vector_mask_for_load): New
        define_expand.
        (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
        (vec_realign_load_v16qi): New define_insn.
        * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
        (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
        * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
        (altivec_builtin_mask_for_store): New variables.
        (rs6000_builtin_mask_for_load): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
        (rs6000_builtin_mask_for_store): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
        (rs6000_expand_builtin): Expand the target builtins
        builtin_mask_for_load and builtin_mask_for_store.
        (altivec_init_builtins): Initialize the new target builtins.
        * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
        Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

        * tree-vectorizer.c (vect_create_data_ref): Renamed to
        vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
        (vect_create_addr_base_for_vector_ref): Additional argument (offset).
        (vectorizable_store): Call vect_create_data_ref_ptr with additional
        arguments, and create an indirect_ref with its return value data_ref.
        Check aligned_access_p.
        (vectorizable_load): Handle misaligned loads, using software-pipelined
        scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
        vec_realign_load_optab is supported, or using a scheme without
        software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
        misaligned_mem_ok is supported.

        (vect_finish_stmt_generation): Typo.
        (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
        (vect_analyze_data_refs_alignment): Don't fail vectorization in the
        presence of misaligned loads.
        (vect_analyze_data_ref_access): Add check for constant init.
        (vect_get_symbl_and_dr): Remove duplicate line.
        * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c: Fix a comment typo.

2004-09-23  Jan Hubicka  <jh@suse.cz>

        * profile.c (branch_prob): Do not verify flow info in the middle of the
        pass.

2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (update_single_exits_after_duplication): Declare.
        (loopify, split_loop_bb): Declaration changed.
        * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
        of rtx.
        (loopify): Added redirect_all_edges argument.
        (update_single_exits_after_duplication): Export.
        * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
        * tree-flow.h (tree_duplicate_loop_to_header_edge,
        tree_ssa_loop_version): Declare.
        * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
        set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
        lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
        lv_update_pending_stmts, tree_ssa_loop_version): New functions.

        * tree-ssa-loop-unswitch.c: New file.
        * Makefile.in (tree-ssa-loop-unswitch.o): Add.
        * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
        * tree-flow.h (tree_ssa_unswitch_loops): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
        * tree-pass.h (pass_unswitch): Declare.
        * tree-ssa-loop.c (tree_ssa_loop_unswitch,
        gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
        * doc/passes.texi: Documen tree level loop unswitching.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.

2004-09-22  Eric Christopher  <echristo@redhat.com>

        * builtins.c (simplify_builtin_va_start): Remove.
        (simplify_builtin): Ditto.
        (fold_builtin_strchr): Ditto.
        (simplify_builtin_*): Rename remainders to fold_builtin_*.
        (expand_builtin): Fix up for above changes.
        (fold_builtin_1): Add new folders. Change for above.
        (expand_builtin_va_start): Call fold_builtin_next_arg.
        * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
        * tree.h: Remove prototype for simplify_builtin.

2004-09-23  Jan Hubicka  <jh@suse.cz>

        PR debug/17389
        * dwarf2out.c (dwarf2out_finish): Deal with nested functions
        of fully inlined functions.
        * tree-inline.c (inline_forbidden_p_1): Nested functions can be
        inlined.

        * cfgexpand.c (add_reg_br_prob_note): New function.
        (expand_gimple_cond_expr): Use it.
        (tree_expand_cfg): No longer kill the profile.
        * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
        only if it is present.
        * passes.c (rest_of_handle_loop_optimize): Kill the profile.
        * predict.c (combine_predictions_for_insn): Set the probabilities
        based on REG_BR_PROB note if present.
        * predict.c (branch_prob): Profile is read only with
        flag_branch_probabilities.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Add in gettext's m4 includes.
        (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
        * configure.ac: Add in check for iconv.h
        * configure: Regenerate.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Update for rename of gettext-sister.m4.

2004-09-22  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/17587
        * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
        (insert_aux): Instead of here.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16721
        * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
        * tree-ssa-alias.c (create_memory_tag): Move setting of
        TREE_THIS_VOLATILE ...
        (get_tmt_for): ... here.

2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (cmove splitter): Fix formatting.
        (conditional_trap expander): Reject inappropriate CCmodes.
        (conditional trap insn): Use V9 syntax if possible.

2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16566
        * c-typeck.c (build_component_ref): Don't special-case
        COMPOUND_EXPR.

2004-09-22  Frank Ch. Eigler  <fche@redhat.com>

        * dominance.c (verify_dominators): Don't SEGV if recount_dominator
        returns NULL.

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
        TRUTH_XOR_EXPR): Mention the restriction on types.

2004-09-22  Matt Austern  <austern@apple.com>

        * config/darwin.c (darwin_make_decl_one_only):
        Allow coalesced symbol to appear in static archive's table of contents

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/17512
        * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
        special cases.

2004-09-22  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (get_lang_number): Do not define if
        DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.

2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>

        PR target/15583
        * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_define ("__USE_INIT_FINI__").

2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>

        * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
        * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
        * config/s390/s390.h (TARGET_TPF): New macro.
        * config/s390/s390.md ("eh_return"): New expander.
        * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
        unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
        (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
        * config/s390/tpf.h (TARGET_TPF): Define to 1.
        (STACK_POINTER_OFFSET): Increase to 448.
        (TARGET_DEFAULT): Set -mtpf-trace on as default.
        (TPF_LOC_DIFF_OFFSET): New macro.
        (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
        encoding.
        (__isPATrange): Add prototype.
        (MD_FALLBACK_FRAME_STATE_FOR): Define.
        * config/s390/tpf-eh.c: New file.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

        * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
        operands in an integer comparison.
        * tree-cfg.c (find_taken_edge): Call fold() to determine
        whether the predicate is known.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
        * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
        Create build and doc directories along with the language directories.
        Don't create doc directory separately.
        * configure: Regenerate.
        * Makefile.in: Create all object and executables files built
        with the build compiler in a build/ directory.
        (genobjnames): Add missing build objects.
        (STAGESTUFF): Don't stage the gen* programs.
        (ggc-none.o): Define dependencies for the target compiler.
        (build-print-rtl.o): Rename to build/print-rtl.o.
        (build-errors.o): Rename to build/errors.o.
        (build-varray.o): Rename to build/varray.o.
        (maintainerclean): Delete the contents of the build directory.
        ($(genobjs): %.o): Explicitly use -o.
        (build/insn-conditions.o): Delete specfic rule to use generic rule.
        (build/gengtype-lex.o): Likewise.
        (build/gengtype-yacc.o): Likewise.
        (build/gcov-iov.o): Likewise.

2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_space): Return true if there _is_ space.
        (VEC_reserve): Adjust.

2004-09-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
        use FPRs for scalar, complex and vector types only.

2004-09-21 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (opt_stats): Move so that it lives just after
        the opt_stats_d structure.
        (vrp_data): Change from a varray into a hash table.
        (vrp_hash_elt): New structure for elements in the vrp hash table.
        (vrp_hash, vrp_eq):New functions for hashing and testing equality
        in the vrp hash table.
        (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
        initialization slightly to make it easier to read.  No longer need
        to grow/clear the varray.  Instead empty and delete the hash table.
        (dom_opt_finalize_block): Update due to change of VRP_DATA from
        a varray to a hash table.
        (simplify_cond_and_loop_avail_expr, record_range): Similarly.

        * tree-ssa-ccp.c (get_default_value): If we have a constant
        value recorded for an SSA_NAME, then use that constant as
        the initial lattice value.
        (substitute_and_fold): Transfer equivalences discovered into
        SSA_NAME_EQUIV.

        * tree.h (SSA_NAME_EQUIV): Add comments.
        (SET_SSA_NAME_EQUIV): Similarly.

2004-09-21  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.

        * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.

2004-09-21  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
        (finish_decl): Likewise.

2004-09-21  Devang Patel  <dpatel@apple.com>

        * tree.def (VEC_COND_EXPR): New tree node.
        * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.

2004-09-21  Stan Shebs  <shebs@apple.com>

        * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
        * config/rs6000/darwin-world.asm: Likewise.

2004-09-21  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa.c (verify_def): Use print_generic_stmt,
        not debug_generic_stmt.
        (verify_use): Ditto.
        (verify_phi_args): Ditto.
        (verify_ssa): Ditto.

2004-09-21  Paul Brook  <paul@codesourcery.com>

        * varasm.c (default_assemble_integer): Return false for values wider
        than the target word size.  Works around GAS bug.

2004-09-21  Zack Weinberg  <zack@codesourcery.com>

        * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
        gets value 0.
        * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
        if it has value 0.

2004-09-21  Daniel Berlin <dberlin@dberlin.org>

        * c-typeck.c (build_function_call): Give name of object
        we are attempting to call in error message.
        * c-objc-common.c (c_tree_printer): Call pp_expression,
        not return false, for 'E' case.

2004-09-21  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/17482
        * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
        load_killed_in_block_p): Clarify comments.
        (record_last_reg_set_info): Make static inline.
        (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
        (record_opr_changes): New function to replace the above.
        (compute_hash_table): Clarify comments.  Use record_opr_changes.
        (reg_set_between_after_reload_p): Clean up.
        (reg_used_between_after_reload_p): Likewise.
        (eliminate_partially_redundant_load): Clarify comments.

2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/17266
        * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.

2004-09-21  Uros Bizjak  <uros@kss-loka.si>

        PR rtl-optimization/14851
        * rtlanal.c (commutative_operand_precedence): Calculate
        precedence of stripped constant.

2004-09-20 Jeff Law  <law@redhat.com>
           Jan Hubicka  <jh@suse.cz>

        * tree-ssanames.c (make_ssa_name): No longer need to clear, then
        initialize key elements here.
        (release_ssa_name): Zero the released SSA_NAME here.
        * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
        (struct tree_ssa_name): Add new "equiv" field.
        * tree-ssa-dom.c (const_and_copies): Kill the global varray.
        (tree_ssa_dominator_optimize): No longer allocate, resize or
        clear CONST_AND_COPIES.
        (get_value_for, set_value_for): Kill.
        (thread_across_edge): Get/set the equivalency using
        SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
        (restore_vars_to_original_value): Likewise.
        (record_equivalences_from_phis): Likewise.
        (record_dominating_conditions): Likewise.
        (record_const_or_copy, record_equality): Likewise.
        (lookup_avail_expr): Likewise.
        (record_equivalences_from_stmt, cprop_operand): Likewise.
        (cprop_into_successor_phis): No longer need to pass around
        CONST_AND_COPIES.  Callers updated. Get equivalences via
        SSA_NAME_EQUIV.
        (cprop_into_phis): Likewise.

2004-09-20  Matt Austern <austern@apple.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (fix_string_type): Build the unqualified array
        type unconditionally, then use c_build_qualified_type to get
        the proper const-qualified variant, and set its
        TYPE_MAIN_VARIANT to refer to the unqualified type.
        * c-lex.c (c_lex_return_raw_string): New global.
        (c_lex_with_flags): Honor it.
        * c-pragma.h: Declare it.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).

2004-09-21  Jan Hubicka  <jh@suse.cz>

        PR middle-end/17126
        * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
        (tree_rest_of_compilation): Cleanup.

2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_select_rtx_section): Remove.
        (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.

2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
        note to pretend a direct save from the original register when an
        intermediate register is used for the save.

2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tsystem.h (alloca): Provide a default definition.

        Revert:
        2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
            * unwind-dw2.c: Call __builtin_alloca, not alloca.

2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17558
        * tree-ssa-copy.c (may_propagate_copy): Only allow if the
        aliasing sets are the same rather than just conflicting.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        PR middle-end/16460

        * cgraph.c (cgraph_unnest_node): New function.
        (c_finalize): Rename to ....
        (c_warn_unused_result_recursivly): ... this one; do only the warning
        (finish_function): Finalize the toplevel function; do not lower nested tree.
        * cgraph.h (cgraph_unnest_node): Declare.
        * cgraphunit.c (decide_is_function_needed): Do not use cgraph
        nestedness datastructure.
        * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
        * reload1.c (set_label_offsets): Fix call of set_label_offsets.
        * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.

2004-09-20  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
        from some_small_symbolic_operand_1; export.
        (some_small_symbolic_operand): Remove.
        * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
        extra C check.
        * config/alpha/predicates.md (some_small_symbolic_operand): New.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        * predict.c (return_prediction): New function.
        (apply_return_prediction): Likewise.
        (tree_bb_level_predictions): Likewise.
        (tree_estimate_probability): Add noreturn exit edges; call
        bb_level_predictions; fix logic of return heuristics.
        (predict_paths_leading_to):  Rescuesce from old CVS version of
        process_note_prediction function.
        * predict.def (PRED_TREE_EARLY_RETURN): New predictor.

2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_frame_info): Added alignment statement for
        floating point register area on stack.

2004-09-20  Jakub Jelinek  <jakub@redhat.com>

        * predict.c (expr_expected_value): Use *_CLASS_P macros.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
        generating useless garbage.

2004-09-20  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin): Call the new omonymous
        target hook for machine-dependent built-ins.
        * target-def.h (TARGET_FOLD_BUILTIN): New.
        * target.h (struct gcc_target): Add the fold_builtin hook.
        * targhooks.c (default_fold_builtin): New.
        * targhooks.h (default_fold_builtin): Declare it.

2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
        comment typos.

2004-09-20  Richard Sandiford  <rsandifo@redhat.com>

        PR target/17565
        * config/mips/mips.md (define_asm_attributes): Set can_delay to no.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_probability): Remove unnecesary code.

2004-09-19  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
        (STMT_VINFO_VECT_DR_BASE): Declare.
        (VECT_SMODULO): Declare.
        * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
        (vect_compute_array_base_alignment): New function.
        (vect_analyze_data_ref_access): Check array indices. Remove one
        dimensional arrays restriction.
        (vect_get_ptr_offset): New function.
        (vect_get_symbl_and_dr): New function.
        (vect_get_base_and_bit_offset): Support additional data refs. Renamed
        (former name vect_get_base_decl_and_bit_offset).
        (vect_create_index_for_array_ref): Removed.
        (vect_create_index_for_vector_ref): New function.
        (vect_create_addr_base_for_vector_ref): New function.
        (vect_create_data_ref): Handle additional data refs. Call
        vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
        (vect_compute_data_ref_alignment): Support the changes. Call
        vect_get_base_and_bit_offset.
        (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
        data refs. Store vect_dr_base.
        (vect_analyze_data_ref_accesses): Support nonconstant init.
        (new_stmt_vec_info): Initialize vect_dr_base field.
        (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
        (get_vectype_for_scalar_type): Check for BLKmode.
        * tree-chrec.h (initial_condition_in_loop_num): Declare.
        * tree-chrec.c (initial_condition_in_loop_num): New function.
        (chrec_component_in_loop_num): New function.
        (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
        * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
        to be pointer to varray_type.

2004-09-19  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (update_bb_profile_after_threading): Declare.
        * cfg.c (update_bb_profile_after_threading): Break out from ...
        * cfgcleanup.c (try_forward_edges): ... here; use it.
        * tree-ssa-dom.c (thread_across_edge): Use it.
        * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
        profile of the new BB.

2004-09-19  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (insert_into_set): Don't put
        is_gimple_min_invariant values into the set.

2004-09-19  Andreas Jaeger  <aj@suse.de>

        * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
        prototype.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.h: Preserve the original spelling in a
        quote.

2004-09-18 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
        global varrays to replace the block local varrays.
        (struct dom_walk_block_data): Remove, no longer used.
        (get_eq_expr_value): No longer need to pass around pointers to local
        varrays.  Callers updated.  Unused markers added to unused parameters.
        (record_range, record_equivalences_from_stmt): Likewise.
        (record_equivalences_from_incoming_edge): Likewise.
        (record_var_is_nonzero): Likewise.  Update now that we have a
        single global varray of SSA_NAMEs that need restoring.
        (dom_opt_initialize_block_local_data): Kill, no longer used.
        (tree_ssa_dominator_optimize): Initialize new global varrays.
        Update callbacks in dominator walker structure.
        (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
        VRP_VARIABLES_STACK.
        (restore_nonzero_vars_to_original_value): Update now that we have
        a single global varray of SSA_NAMEs that need restoring.
        (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
        Remove unused variables.
        (optimize_stmt): Remove unused variable.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (thread_jumps):  Fix updating of the profile.

        * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
        verify_cgraph call.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
        gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
        optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
        tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
        tree-ssa-operands.c, tree-ssa-phiopt.c,
        tree-ssa-threadupdate.c: Fix comment typos.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
        config/arm/README-interworking, config/arm/arm-cores.def,
        config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
        config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
        config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
        config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
        config/frv/frv.md, config/i386/winnt.c,
        config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
        config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.md, config/m68k/m68k.c,
        config/mcore/mcore.c, config/mips/mips.h,
        config/mn10300/mn10300.md, config/pa/pa.c,
        config/pa/pa64-regs.h, config/pdp11/pdp11.c,
        config/rs6000/rs6000.c, config/sh/symbian.c,
        config/sparc/sparc.h: Fix comment typos.  Follow spelling
        conventions.

2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17424
        * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
        remove TREE_ADDRESSABLE from RESULT_DECL.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
        NULL.
        * tree-ssa-alias.c (init_alias_info): Likewise.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
        (verify_ssa): Likewise.
        * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimize_pic_address): Fix splitting of PLUS with
        huge offset.

2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
        * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        DW_EH_PE_sdata* for data.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.

2004-09-17  Geoffrey Keating  <geoffk@apple.com>

        * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
        shared anyway.

        PR pch/13361
        * c-typeck.c (constructor_asmspec): Delete.
        (struct initializer_stack): Delete field 'asmspec'.
        (start_init): Delete saving of asmspec.
        (finish_init): Don't update constructor_asmspec.
        * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
        * stmt.c (expand_asm): Duplicate strings from tree.
        (expand_asm_operands): Likewise.
        * tree.c (tree_size): Update computation of size of STRING_CST.
        (make_node): Don't make STRING_CST nodes.
        (build_string): Allocate string with tree node.
        (tree_code_size): Clean up assertions, don't allow requests
        for "the size of a STRING_CST".
        * tree.def (STRING_CST): Update comment.
        * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
        (tree_string): Place contents of string in tree node.
        * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
        from tree.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
        * objc/Make-lang.in (objc/objc-parse.o): Likewise.

2004-09-17  Jones Desougi  <jones@ingate.com>

        * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
        * configure, config.in: Regenerate.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

        * tree.c, tree.h (tree_class_strings): Make array const.
        Reindent per coding convention.  Move asterisk to proper place
        per coding convention.

2004-09-18  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
        (tree-vectorizer.o): Likewise.
        (targhooks.o): Likewise.

2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
            Zack Weinberg  <zack@codesourcery.com>

        * alias.c (find_base_decl): Remove unreachable case '3' block.
        * expr.c (safe_from_p): Abort if passed a type.
        * tree-gimple.c (recalculate_side_effects): Abort if passed
        anything other than an expression.
        * tree-ssa-pre.c (phi_translate): Return expr immediately if
        is_gimple_min_invariant is true for it.  Reorder cases for clarity.
        Abort on un-handled tree classes.
        (valid_in_set): Likewise.
        * tree.c (tree_code_class_strings): New static data.

        * tree.h (enum tree_code_class): New.
        (tree_code_class_strings): Declare.
        (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
        (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
        (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
        (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
        (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

        * tree.def, c-common.def, objc/objc-tree.def: Use
        tree_code_class enumeration constants instead of code letters.

        * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
        * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
        * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
        * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
        * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
        * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
        * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
        * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
        * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
        * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
        * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
        * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
        * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
        Update to match.

        * LANGUAGES: Add note about change.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17319
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
        examine pointers on the LHS of an assignment.
        (collect_points_to_info_r): Handle RETURN_EXPR.

2004-09-17 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (const_and_copies_stack): New.
        (dom_walk_block_data): Remove const_and_copies field.
        (record_const_or_copy): No longer need to pass in varray_type *.
        Use CONST_AND_COPIES_STACK rather than passed in block local stack.
        Callers updated.
        (record_equality): Similarly.
        (restore_vars_to_original_value): Similarly.  Revamp to use new
        single global stack rather than per-block stacks.
        (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
        (thread_across_edge): Remove now unused parameters.
        (dom_opt_initialize_block_local_data): No longer test the block
        local CONST_AND_COPIES.
        (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.

2004-09-17  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/17509
        * tree-optimize.c (update_inlined_to_pointers): New function.
        (tree_rest_of_compilation): Use it.

2004-09-17  Devang Patel  <dpatel@apple.com>

        * dbxout.c (get_lang_number): New.
        (dbxout_init): Include lang number in N_SO  stab.
        * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
        N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17273
        * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
        replacement is a constant.

2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_typespec_keyword): New.
        (struct c_declspecs): Adjust description of "type".  Remove
        specbits, explicit_int_p and explicit_char_p.  Rename
        typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
        short_p, signed_p, unsigned_p and complex_p.
        (finish_declspecs): New.
        * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
        typename): Call finish_declspecs.
        * c-decl.c (finish_declspecs): New.
        (declspecs_add_type): Check for combinations which cannot occur in
        valid specifier lists.  Update comments.
        (shadow_tag_warned): Remove checks done in finish_declspecs.
        Don't report useless type name if type defaulted to int.
        (grokdeclarator): Remove checks and actions done in
        finish_declspecs.  Don't allow for type being NULL.  Update for
        datastructures changes.  Initialize decl_attr.
        (build_null_declspecs, quals_from_declspecs): Update for
        datastructures changes.

2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>

        * doc/extend.texi: Fix duplicated word.

2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>

        * doc/invoke.texi: Remove stray explanation on
        -freduce-all-givs and -fmove-all-movables.

2004-09-17  James Morrison  <phython@gcc.gnu.org>

        * doc/cfg.texi: Use @smallexample.
        * doc/md.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/extend.texi: Likewise.  Use @r{} in comments.
        * doc/trouble.texi: Use @r{} in comments.

2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.ac (gcc_cv_gld_version): Handle whitespace before
        "VERSION=".
        * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
        * configure: Regenerate.

2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
        (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
        * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
        * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
        slashes in substitutions.
        (MULTILIB_DIRNAMES): Remove defunct removal of /media32.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
        gimplify.c, lambda-code.c, optabs.c, predict.c,
        tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
        tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
        conventions.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
        doc/extend.texi, doc/install.texi, doc/invoke.texi,
        doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
        doc/trouble.texi: Use @option around options.

2004-09-17  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (gen-protos.o): Depend on errors.h.

2004-09-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17513
        * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
        for successors of the entry block.

2004-09-17  Uros Bizjak  <uros@kss-loka.si>

        PR rtl-optimization/15187
        * ifcvt.c (noce_try_cmove_arith): Exit early if total
        insn_rtx_cost of both branches > BRANCH_COST

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17528
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
        erase the may-alias set for a tag when merging it with
        another.

2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (call): Extend 32-bit addresses to DImode
        for 32-bit TARGET_SHMEDIA.
        (call_value): Likewise.

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
        test apply only to TREE_STATIC and DECL_EXTERNAL.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
        * basic-block.h (get_dominated_by_region): Declare.
        * dominance.c (get_dominated_by_region): New function.
        * tree-cfg.c: Include cfglayout.h.
        (tree_duplicate_bb): Duplicate also phi nodes.
        (struct ssa_name_map_entry): New type.
        (add_phi_args_after_copy_bb, add_phi_args_after_copy,
        ssa_name_map_entry_hash, ssa_name_map_entry_eq,
        allocate_ssa_names, rewrite_to_new_ssa_names_def,
        rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
        rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
        * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
        add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
        rewrite_to_new_ssa_names, allocate_ssa_names,
        rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
        * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
        (copy_loop_headers): Use tree_duplicate_sese_region.

2004-09-16  Frank Ch. Eigler  <fche@redhat.com>

        * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.

2004-09-16 Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (block_defs_stack): New toplevel varray.
        (rewrite_block_data): Remove, no longer used.
        (rewrite_initialize_block_local_data): Remove, no longer used.
        (rewrite_initialize_block): Mark parameters as unused as needed.
        Change references to the block local block_defs to be block_defs_stack.
        Push a marker onto the block_defs_stack.
        (ssa_rewrite_initialize_block): Similarly.
        (rewrite_stmt, ssa_rewrite_stmt): Similarly.
        (ssa_register_new_def): No longer needs varray argument.  Use
        block_defs_stack instead.  No longer handle possibly null block_defs
        varray.  Reverse order of items we push on the stack to make it
        easier to identify our marker.
        (register_new_def): No longer handle possibly null block_defs
        varray.
        (rewrite_finalize_block): Revamp to look for markers in the global
        block_defs_stack varray rather than wiping a block local varray.
        Mark arguments as unused as needed.
        (ssa_rewrite_finalize_block): Similarly.
        (rewrite_into_ssa): Update initialization of dom walker structure
        to reflect that we don't need block local data anymore.  Initialize
        the block_defs_stack varray.
        (rewrite_ssa_into_ssa): Similarly.
        * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
        (struct dom_walk_data): Kill block_defs field.
        (tree_ssa_dominator_optimize): Initialize block_defs_stack.
        (thread_across_edge): Use the global block_defs_stack instead of
        the old block_defs varray.
        (dom_opt_initialize_block_local_data): Update now that we don't have
        block_defs field to check anymore.
        (dom_opt_initialize_block): Push a marker onto block_defs_stack.
        (restore_currdefs_to_original_value): Use the new block_defs_stack
        instead of a block local varray.
        (dom_opt_finalize_block): Similarly.
        (record_equivalencs_from_phis): Similarly.
        (optimize_stmt, register_definitions_for_stmt): Similarly.

2004-09-16  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/17517
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce same-root variables without checking for abnormal PHI usage.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

        * cfgloop.h (duplicate_loop):  Add prototype.
        * cfgloopmanip.c (duplicate_loop): Make non-static.
        * lambda-code.c (perfect_nestify): Factor out test whether
        we can handle this loop into separate function.
        Call it.
        (can_convert_to_perfect_nest): New function.
        (replace_uses_of_x_with_y): Add modify_stmt call.
        * tree-loop-linear.c (linear_transform_loops): Call
        rewrite_into_loop_closed_ssa and free_df.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
        loop invariant as well.
        (perfect_nestify): new function.
        (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
        upper bounds, and steps.
        Set outerinductionvar properly.
        (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
        parameters.
        Return NULL if we need a perfect loop and can't make one.
        (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
        (not_interesting_stmt): New function.
        (phi_loop_edge_uses_def): Ditto.
        (stmt_uses_phi_result): Ditto.
        (stmt_is_bumper_for_loop): Ditto.
        (perfect_nest_p): Ditto.
        (nestify_update_pending_stmts): Ditto.
        (replace_uses_of_x_with_y): Ditto.
        (stmt_uses_op): Ditto.
        (perfect_nestify): Ditto.
        * lambda-mat.c (lambda_matrix_id_p): New function.
        * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
        * lambda.h: Update prototypes.
        * tree-loop-linear (linear_transform_loop): Use new
        perfect_nest_p. Detect and ignore identity transform.
        * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.

2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-loop-linear.c (gather_interchange_stats): Add more comments.
        Gather also strides of accessed data.  Pass in the data references
        array.
        (try_interchange_loops): Add a new heuristic for handling the temporal
        locality.  Pass in the data references array.
        (linear_transform_loops): Pass the data references array to
        try_interchange_loops.

2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Fix typos.  Follow spelling conventions.

2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/c-tree.texi (Classes): Remove index entries for
        TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * fold-const.c (fold): Fold difference of addresses.
        (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
        get_inner_reference.
        * tree-ssa-loop-ivopts.c (peel_address): Removed.
        (ptr_difference_const): Moved to fold-const.c.
        (split_address_cost): Use get_inner_reference instead of peel_address.
        (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
        * tree.h (ptr_difference_const): Export.

        * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
        variable type to the dump.  Fix indentation.
        (idx_find_step): Handle nonconstant array_ref_element_size and
        array_ref_low_bound.
        (idx_record_use): Handle array_ref_element_size and
        array_ref_low_bound.
        (find_interesting_uses_stmt): Handle memory = nontrivial_expression
        statements correctly.
        (get_computation_at, iv_value): Do not unshare expressions here.
        (rewrite_use_outer): Unshare the expression before it is emitted
        to code.
        * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
        Moved to tree.c.
        * tree.c (unsigned_type_for, signed_type_for): Moved from
        tree-ssa-loop-niter.c.  Use langhooks.
        * tree.h (signed_type_for): Export.

2004-09-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
        prototype.

2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/11572
        * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
        Add two parameters to extra_includes.
        (C_INCPATH_INIT): Remove.
        * c-incpath.c (register_include_chains): Call extra_pre_includes
        before adding the standard include directory.
        Update call to extra_includes.
        (!defined TARGET_EXTRA_INCLUDES): Update
        hook_void_charptr_charptr_int and add !define
        TARGET_EXTRA_PRE_INCLUDES.
        (!define TARGET_EXTRA_INCLUDES): Define as
        hook_void_charptr_charptr_int.
        (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
        (target_c_incpath): Always declare.
        * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
        empty function.
        (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
        * config/darwin.h: (darwin_register_frameworks): Update for
        the two new parameters.
        (darwin_register_objc_includes): Add prototype.
        (TARGET_EXTRA_PRE_INCLUDES): Define.
        * config/darwin-c.c (darwin_register_objc_includes): New function.
        (darwin_register_frameworks): Update for the two new parameters.
        (target_c_incpath): Remove.
        * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
        the compile line.
        * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
        parameters.
        (TARGET_EXTRA_PRE_INCLUDES): Document.

        * gcc.c (spec_function): Add replace-outfile.
        (replace_outfile_spec_function): New function.
        * config/darwin.h (LINK_SPEC): Add replace
        -lobjc with -lobjc-gnu if -fgnu-runtime is
        supplied.
        * invoke.texi (replace-outfile): Document.

2004-09-13  Jan Hubicka  <jh@suse.cz>

        * predict.c (expr_expected_value, strip_builtin_expect): New function.
        (tree_predict_by_opcode): Use it.
        (tree_estimate_probability): Add, for now disabled,
        strip_builtin_expect call.

2004-09-15  James E Wilson  <wilson@specifixinc.com>

        PR target/17455
        * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
        if current_function_decl is a sibcall.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

        * varasm.c (default_function_rdodata_section): Make sure to pass
        along a decl for a link-once section.

2004-09-15  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
        warning with code disable.  Fix formatting.

2004-09-15  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
        * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
        after propagating into an ADDR_EXPR.

2004-09-15  Andrew Pinski  <apinski@apple.com>

        PR rtl-opt/17427
        * gcse.c (process_insert_insn): insn_invalid_p has side effects.
        Move it out of gcc_assert.

2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
        except.c, fold-const.c, function.c, langhooks.c, params.c,
        reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
        tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
        for quoting in diagnostics going through pretty-print.c.  Use ''
        for quoting in other diagnostic text.
        * langhooks.c: Include intl.h.  Mark text locating diagnostics for
        translation.
        * Makefile.in (langhooks.o): Update dependencies.
        * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
        formats.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac: Check for COMDAT support.  Robustify check for
        SHF_MERGE support.
        * configure: Regenerated.
        * config.in: Likewise.
        * langhooks-def.h (lhd_comdat_group): New function.
        (LANG_HOOKS_COMDAT_GROUP): New macro.
        (LANG_HOOKS_DECLS): Use it.
        * langhooks.c (lhd_comdat_group): Define.
        * langhooks.h (lang_hooks_for_decls): Add comdat_group.
        * output.h (named_section_flags): Make it a macro.
        (named_section_real): New function.
        (default_no_named_section): Add decl parameter.
        (default_elf_asm_named_section): Likewise.
        (default_coff_asm_named_section): Likewise.
        (default_pe_asm_named_section): Likewise.
        * target.h (gcc_target): Adjust type of named_section.
        * varasm.c (named_section_flags): Rename to named_section_real.
        Add decl parameter.
        (default_no_named_section): Add decl parameter.
        (default_elf_asm_named_section): Use COMDAT, if available.  Deal
        with the case that ASM_COMMENT_START is "@".
        (default_coff_asm_named_section): Add decl parameter.
        (default_pe_asm_named_section): Likewise.
        * config/alpha/alpha.c (vms_asm_named_section): Add decl
        parameter.
        (unicosmk_asm_named_section): Likewise.
        * config/arm/arm.c (arm_elf_asm_named_section): Remove.
        * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
        * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
        * config/cris/cris-protos.h (cris_target_asm_named_section):
        Likewise.
        * config/cris/cris.c (cris_target_asm_named_section):
        Likewise.
        * config/darwin/darwin-protos.h (darwin_asm_named_section):
        Likewise.
        * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
        * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
        * config/i386/i386-protos.h (i386_pe_asm_named_section):
        Likewise.
        * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
        * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
        * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
        Likewise.
        * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
        * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
        * cp/cp-tree.h (cxx_comdat_group): Declare.
        * cp/decl.c (cxx_comdat_group): New function.

2004-09-15  Jan Hubicka  <jh@suse.cz>

        * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
        * tree-tailcall.c (eliminate_tail_call): Release SSA name.

        * tree-cfg.c (remove_bb): Release SSA defs.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Follow spelling conventions.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c: Fix comment typos.

2004-09-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
        include ccr.
        (ppc_fallback_frame_state): Save location of CR.

2004-09-15  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (string_constant): Handle also read-only variables
        initialized to string literals.

        * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
        into memcpy (x, y, 1) if memcpy can be expanded inline.

2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/17468
        * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
        definition inside a block precede uses.
        * tree-tailcall.c (adjust_return_value): Emit statements in the
        correct order.

2004-09-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.

2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Properly format warning.

2004-09-14 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (avail_exprs_stack): New global varray.
        (struct dom_walk_block_data): Remove avail_exprs member.
        (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
        (lookup_avail_expr): No longer need to pass in address of
        the block local available exprs stack.  All callers changed.
        (simplify_cond_and_lookup_avail_expr): Similarly.
        (simplify_switch_and_lookup_avail_expr): Similarly.
        (get_eq_expr_value, record_cond): Likewise.
        (record_dominating_conditions): Likewise.
        (update_rhs_and_lookup_avail_expr): Likewise.
        (record_equivalences_from_stmt): Likewise.
        (dom_opt_initialize_block_local_data): No longer test state of
        block local avail_exprs.
        (dom_opt_initialize_block): Mark unwind point in the global
        avail_expr stack.
        (remove_expressions_from_table): Update to unwind to the
        most recent unwind marker in the global avail_expr stack.
        All callers changed.
        (dom_opt_finalize_block): Mark unwind point in the global
        avail_expr stack as needed.
        (record_cond): Push elements into the global avail_exprs stack.

        * tree-dfa.c (free_df_for_stmt): No longer static.
        (free_df): Update comments.
        * tree-flow.h (free_df_for_stmt): Prototype.
        * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
        call release_defs.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17252
        * tree-ssa-alias.c (may_alias_p): Don't assume that a
        pointer may not point to itself when using relaxed
        aliasing rules.

2004-09-14  Richard Henderson  <rth@redhat.com>

        PR middle-end/17397
        * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
        while folding <ADDR_EXPR <INDIRECT_REF X>>.

2004-09-14  Andrew Pinski  <apinski@apple.com>

        * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
        sets of the pointers but the aliasing sets of what they point to.

2004-09-14  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/9771
        * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
        conditional compilation in init_reg_sets_1.
        (init_reg_sets_1): Let global_regs[i] take priority over the frame
        (but not stack) pointer exceptions to regs_invalidated_by_call.
        (globalize_reg): Globalizing a fixed register may need to update
        regs_invalidated_by_call.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/15262
        * tree-dfa.c (dump_variable): Also print the type of the
        variable.
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
        memory tags are of conflicting alias sets but have no aliased
        symbols in common, add one tag to the alias set of the other.
        (setup_pointers_and_addressables): Remove hack to deal with
        programs with no aliased symbols.
        (may_alias_p): Don't special case aggregate types.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15498
        * doc/invoke.texi (Environment Variables): Correct example locale.

2004-09-14  Jan Hubicka  <jh@suse.cz>

        * cfg.c (expunge_block): Revert previous change adding ggc_free call.

2004-09-14  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc: Do not build a shared libgcc for arm-none-eabi.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
        restrict_p.
        (struct c_declarator): Change u.array.quals and pointer_quals to
        int.  Add u.array.attrs.
        (quals_from_declspecs): New.
        * c-decl.c (quals_from_declspecs): New.
        (shadow_tag_warned): Give more specific message for useless type
        qualifiers.
        (build_array_declarator, set_array_declarator_inner,
        grokdeclarator, make_pointer_declarator, build_null_declspecs,
        declspecs_add_qual): Update for changed structures.

2004-09-14  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
        to a global varray.
        (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
        (dom_opt_initialize_block_local_data): No longer test state
        of stmts_to_rescan.
        (dom_opt_finalize_block): Update due to change in scope of
        stmts_to_rescan.
        (optimize_stmt): Similarly.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
        lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
        comment typos.  Follow spelling conventions.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
        config/i386/predicates.md, config/sparc/sparc.c: Follow
        spelling conventions.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
            Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
        * basic-block.h (struct reorder_block_def): Add copy_number field.
        * cfgloop.h (biv_p): Declare.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
        * common.opt (fsplit-ivs-in-unroller): New flag.
        * loop-iv.c (biv_p): New function.
        * loop-unroll.c: Include hashtab.h and recog.h.
        (struct iv_to_split, struct split_ivs_info): New types.
        (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
        free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
        determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
        insert_base_initialization, split_iv): New functions.
        (peel_loop_completely, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
        Use them.
        * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-cfg.c (thread_jumps): Update dominators correctly in
        case destination of threaded edge dominates its source.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * unroll.c: Removed.
        * loop.h: Removed.
        * Makefile.in (LOOP_H, unroll.o): Removed.
        (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
        dependency.
        * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
        reference.
        * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
        * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
        * loop.c: Do not include loop.h.
        (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
        REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
        struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
        REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
        struct loop_regs, struct loop_movables, struct loop_info): Moved
        from loop.h.
        (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
        reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
        find_common_reg_term, loop_iterations, final_giv_value): Moved
        from unroll.c.
        (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
        loop_dump_stream, for_each_insn_in_loop, express_from,
        extend_value_for_giv, loop_iv_add_mult_emit_before,
        loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
        loop_insn_first_p, get_condition_for_loop,
        loop_insn_emit_before, loop_insn_hoist,
        loop_insn_sink): Made static.
        (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
        reference.
        (strength_reduce): Do not call unroller.
        (record_giv): Do not initialize unrolled field.
        (prescan_loop): Do not set loop_info->preconditioned.
        * passes.c: Do not include loop.h.
        (rest_of_handle_loop_optimize): Do not call unroller.
        * predict.c: Do not include loop.h.
        * rtl.h (NOTE_PRECONDITIONED): Removed.
        * stmt.c: Do not include loop.h.
        * toplev.c: Do not include loop.h.
        (process_options): Do not handle flag_old_unroll_loops.

        * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
        Documentation removed.
        * doc/passes.texi (unroll.c, loop.h): Documentation removed.

2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (STAGE1_CHECKING): New variable.
        (stage1_build): Use it.
        * tree-ssa.c (verify_ssa): Preserve state of dominance
        information.

2004-09-14  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (output_fp_compare): Add generation
        of ftst instruction.
        * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
        Use output_fp_compare () function.
        (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
        (fix_truncdi_memory): Remove operands[5] copy.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md, config/m68k/m68kelf.h,
        config/mcore/mcore.md, config/rs6000/linux64.h,
        config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
        typos.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
        * gen-protos.c: Include errors.h.
        (progname): Delete.

2004-09-14  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
        * predict.c: Include tree-scalar-evolution.h and cfgloop.h
        (predict_loops): Use number_of_iterations_exit to predict
        number of iterations on trees.

2004-09-13  Dale Johannesen  <dalej@apple.com>

        PR 17408
        PR 17409
        * c-decl.c (start_decl): Repair TREE_STATIC for initialized
        objects declared extern.

2004-09-14  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
        HOST_WIDE_INT.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

        * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
        Only use TYPE_BINFO for aggregates.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

        * expmed.c (synth_mult): Initialize latency.  Check cost before
        checking ops count.

2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>

        * tree-ssa-operands.c (get_call_expr_operands): Added parm to
        add_call_clobber_ops and add_call_read_ops.
        (add_call_clobber_ops, add_call_read_ops): Added code to reduce
        the number of vdefs and vuses inserted based on analysis of global
        variables across calls.  * tree-dfa.c (find_referenced_vars):
        Needed to reset static var maps before each function is compiled.
        * cgraphunit.c:
        (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
        static_vars_info,functions_to_static_vars_info,module_statics_escape,
        all_module_statics,searchc_env,dfs_info): New fields to support
        analysis of static global variables.
        (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, cgraph_get_static_name_by_uid,
        clear_static_vars_maps, cgraph_propagate_bits,
        cgraph_characterize_statics): New. Functions to support analysis
        of static global variables.
        (cgraph_mark_local_and_external_functions): Renamed from:
        (cgraph_mark_local_functions)
        (cgraph_expand_all_functions): Remove call to
        cgraph_mark_local_and_external_functions.
        (cgraph_optimize): Added driver to analyze static variables whose
        scope is within the compilation unit.  * cgraph.h (struct
        cgraph_local_info, GTY): Added statics_read, statics_written,
        local, calls_read_all, calls_write_all, for_functions_valid.
        (struct cgraph_node): Added next_cycle.  * cgraph.c
        (dump_cgraph_node): Added print routines for new fields.  *
        makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
        list.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (grokdeclarator): Correct comments about where storage
        class specifiers are rejected by grammar and add corresponding
        asserts.  Diagnose typedefs and parameters declared inline.
        Change warning for inline main to a pedwarn.  Only diagnose inline
        main if hosted.
        (declspecs_add_scspec): Allow duplicate "inline".

2004-09-13  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR 17436
        * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
        (tree_type): Replace spare with contains_placeholder_bits.
        (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
        make static.  Remove seen_types list.
        (type_contains_placeholder_p): New.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
        (sb1_bdesc, bdesc_map, bdesc_arrays): New.
        (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
        bdesc_arrays instead of mips_bdesc.
        (mips_init_builtins): Likewise.
        * config/mips/mips.h (TARGET_SB1): New.
        (HAVE_SQRT_P): Delete.
        * config/mips/mips.md (divide_condition): Support V2SF.
        (sqrt_condition, recip_condition): New.
        (div<mode>3): Use ANYF instead of SCALARF.
        (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
        MODE.
        (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
        instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
        instead of MODE.
        (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
        instead of SCALARF.  Use UNITMODE instead of MODE.

2004-09-13  Zack Weinberg  <zack@codesourcery.com>

        * config.in: Regenerate after removal of libbanshee.

2004-09-13  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/17400
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce partitions when one occurs in an abnormal PHI.

2004-09-13  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
        name to _new_size.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR inline-asm/6806
        * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
        (cselib_invalidate_rtx_note_stores): New.
        (cselib_record_sets, cselib_process_insn): Update to match.
        * cselib.h (cselib_invalidate_rtx): Declare.
        * postreload.c (reload_cse_simplify): Invalidate asm clobbers.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR tree-opt/10528
        * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
        after copying its argument.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
        c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
        in diagnostics.  Use %' for English apostrophes.
        * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
        (pedwarn_c90, pedwarn_c99): Use it.
        * c-decl.c (lookup_label): Quote label name in diagnostic.
        * c-parse.in (yyprint): Use ' instead of ` for left quote.
        * c-typeck.c (warn_for_assignment): Likewise.

2004-09-13  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_schedule): New global variable.
        (override_options): Disable scheduling when not supported.
        * i386.h (x86_schedule): Declare.
        (TARGET_SCHEDULE): New macro.

2004-09-12  Richard Henderson  <rth@redhat.com>

        PR c++/16254
        * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
        * tree.c, tree.h (has_cleanups): Remove.

2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
        arguments of the phi nodes correctly.

2004-09-12  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (cmp_statistics): Fix sorting.

2004-09-12  David Edelsohn  <edelsohn@gnu.org>

        PR target/16795
        * expmed.c (expand_divmod): If cheap power of 2 divide is
        available, use it for negative constant as well.

2004-09-12  Andrew Pinski  <apinski@apple.com>

        * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
        size of 0.

        * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.

2004-09-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
        or minus one.
        (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
        post-reload, and scratch NULL.
        * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
        (x86_shift_adj_2): Use ix86_expand_clear.
        (ashldi3): Remove CMOVE expansion difference.
        (ashldi3_1): Remove.
        (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
        add constraints for immediates.  New peephole for split-with-temp.
        Run splitter after peep2 pass.
        (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
        (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
        (setcc_2): Rename with *.
        * config/i386/predicates.md (reg_or_pm1_operand): New.
        (ashldi_input_operand): New.

2004-09-12  Richard Henderson  <rth@redhat.com

        * print-rtl.c (print_decl_name): New.
        (print_mem_expr): Use it.

2004-09-12  Richard Henderson  <rth@redhat.com

        PR 17186, part deux
        * except.c (sjlj_emit_function_exit): Fix logic locating
        sjlj_exit_after in final block.

2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>

        * common.opt: Remove flags -fmove-all-movables and
        -freduce-all-givs.
        * loop-invariant.c (find_invariants_to_move):
        Remove all uses of flag_move_all_movables.
        * loop.c (move_movables): Remove all uses of
        flag_move_all_movables.
        (strength_reduce): Remove all uses of
        flag_reduce_all_givs.
        * doc/invoke.texi: Remove documentation of flags
        -fremove-all-movables and -freduce-all-givs.

2004-09-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17411
        * tree-sra.c (generate_element_zero): Revert recent build_int_cst
        change. elt->type may be a floating point type, so use fold_convert.

2004-09-11  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
        the thing referenced as used, not the stub itself.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_storage_class): New.
        (struct c_declspecs): Add storage_class, inline_p and thread_p.
        * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
        declarations and "auto" or "register" in file scope empty
        declarations.  Give more specific warnings for other cases of
        storage class specifiers in empty declarations.
        (grokdeclarator): Update for new structures.  Don't check for
        multiple storage classes.  Diagnose file-scope "register" if
        pedantic.
        (build_null_declspecs): Update.
        (declspecs_add_scspec): Update.  Diagnose multiple storage class
        specifiers and invalid uses of "__thread".

2004-09-11  Zack Weinberg  <zack@codesourcery.com>

        * tree.c (tree_code_size): New function, bulk of code from tree_size.
        (tree_size, make_node): Use it.
        * tree-ssa-pre.c (init_pre): Use it.
        * tree.h: Prototype it.

2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
        * tree-dfa.c (compute_immediate_uses, add_immediate_use,
        redirect_immediate_use): Use PHI_DF.
        * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
        (bb_for_stmt): Use PHI_BB.
        (get_immediate_uses): Use PHI_DF.
        * tree-ssa-dse.c (max_stmt_uid): New variable.
        (get_stmt_uid): New function.
        (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
        node annotations.
        * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
        (max_uid): Renamed to max_stmt_uid.
        (get_stmt_uid): New function.
        (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
        phi node annotations.
        * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
        * tree.h (PHI_BB, PHI_DF): New accessor functions.
        (struct tree_phi_node): Add bb and df fields.

2004-09-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/17416
        * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
        in conflict loop.

2004-09-11  Jan Hubicka  <jh@suse.cz>

        * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
        (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
        * i386.md (i387_cw): Add 'uninitialized' mode.

        * profile.c (BB_TO_GCOV_INDEX): move more to the front.
        (output_location): Break out from ....
        (branch_prob): ... here; handle gcov output on trees.
        * toplev.c (process_options): No longer be sorry about coverage for
        trees.

2004-09-11  Steven Bosscher  <stevenb@suse.de>

        PR c++/17412
        * fold-const.c (fold): Do not try to fold the operand of a
        CLEANUP_POINT_EXPR if that operand does itself not have any
        operands.

        PR middle-end/17417
        * langhooks.c (lhd_decl_printable_name): Make sure that this
        function is called with is a decl node that has an identifier.
        * tree-pretty-print.c (dump_function_name): New function to
        wrap PRINT_FUNCTION_NAME and dump_decl_name.
        (print_call_name): Use it.

2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>

        * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
        "config.h" if not.

2004-09-11  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-alias.c (collect_points_to_info_r): Handle
        pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
        to OFFSET.

2004-09-11  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
        (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
        operand of the ADDR_EXPR.
        (expand_expr_real_1): Update to match.

2004-09-11  David Edelsohn  <edelsohn@gnu.org>

        PR target/17277
        * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
        choose 64-bit version.

2004-09-11  Richard Henderson  <rth@redhat.com>

        PR c/17396
        * c-typeck.c (build_unary_op): Add legacy offsetof hack.

2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
        doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
        Insert @: after i.e. or e.g.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
        D.xxx rather than <Dxxx>.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

        * configure.ac (AC_MSG_CHECKING(what linker to use)):
        in_tree_ld_is_elf should be true for LynxOS.
        * configure: Regenerate.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

        * Makefile.in (all.cross): Add srcextra.

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

        PR middle-end/17024
        * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
        floating point comparison operators.  Change aborts to gcc_asserts.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * final.c (output_asm_insn): Correct problem with -fverbose-asm.

2004-09-10  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
        (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.

        * convert.c (convert_to_vector): Replace recursive call with
        error_mark_node.

        * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
        Add integer argument named constant.  Use const_tiny_rtx instead of
        CONST0_RTX.
        (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
        and CONST1_RTX.
        (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
        vector types.
        * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
        of gen_rtx_raw_CONST_VECTOR.

2004-09-10  Eric Christopher  <echristo@redhat.com>

        PR c/16046
        * c-parse.in (attribute): Add NULL_TREE for error case
        for error recovery.

2004-09-10  Zack Weinberg  <zack@codesourcery.com>

        * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
        (extract_interface_info): Delete prototype.
        * c-decl.c (extract_interface_info): Delete stub.
        * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
        it's not already been done ...
        (init_c_lex): ... not here.
        (fe_file_change): Don't call extract_interface_info.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
        typedef_p and typedef_signed_p.
        * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
        (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
        Check typedef_p and typedef_signed_p, not typedef_decl.
        (grokfield): Check typedef_p, not typedef_decl.
        (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
        not typedef_decl.
        (declspecs_add_type): Set typedef_p and typedef_signed_p, not
        typedef_decl.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi, doc/tree-ssa.texi: Fix typos.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
        temporary variables.

        * dbxout.c (dbxout_block): Update for
        current_function_func_begin_label a string.
        * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
        * except.c (dw2_output_call_site_table): Likewise.
        * toplev.c (current_function_func_begin_label): Likewise.
        * tree.h (current_function_func_begin_label): Likewise.
        * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.

        * final.c (output_asm_insn): Use strtoul instead of atoi, save a
        loop.

        * config/darwin.c: Include target.h.
        (struct machopic_indirection): Make ptr_name a string.
        (machopic_indirection_hash): Update for ptr_name a string.
        (machopic_indirection_eq): Likewise.
        (machopic_indirection_name): Likewise.
        (machopic_output_indirection): Likewise.
        (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
        string.  Don't expect stub names to be in the identifier hash table.
        Do call strip_name_encoding before looking up entry in ID hash table.
        * config/t-darwin (darwin.o): Add target.h to dependencies.

        * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
        of fprintf for register names.

        * output.h (unlikely_section_label): Delete declaration.
        (unlikely_text_section_name): Likewise.
        * varasm.c (unlikely_section_label_printed): Make static.
        (unlikely_section_label): Likewise.
        (unlikely_text_section_name): Likewise.
        (assemble_start_function): Use reconcat.

        * rtl.def (REG): Add comment to describe third field.

2004-09-10  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_mcount_stub_name): Call
        machopic_indirection_name instead of making the string
        ourselves.

2004-09-10  Diego Novillo  <dnovillo@redhat.com>

        Revert

        2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

            * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
            memory tag is call clobbered, so are its aliases.
            (group_aliases): When two memory tags being grouped, if one is
            call clobbered, so are the other and its aliases.
            (add_may_alias): Remove call-clobbering stuff.
            (replace_may_alias): Likewise.
            (merge_pointed_to_info): Merge pt_global_mem

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
        genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
        passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
        tree-scalar-evolution.c, tree-ssa-copyrename.c,
        tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
        (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
        pair.  Remove match_dup from inputs.  Remove masaccs handling.
        (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
        (masaccs, mdasaccs): Turn into define_insns.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * tree-tailcall.c (process_assignment): Only do accumulator transforms
        for floating-point types if flag_unsafe_math_optimizations.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
        config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
        config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
        config/h8300/h8300.md, config/i386/gmm_malloc.h,
        config/ia64/ia64.md, config/ip2k/libgcc.S,
        config/mips/mips-ps-3d.md, config/mips/mips.c,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/sh/symbian.c: Fix comment typos.

2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Added missing
        "{}" brackets.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
        typos.  Follow spelling conventions.

2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        * toplev.c (warn_deprecated_use): Correct logic for saying "type"
        in diagnostic.  Don't dereference NULL TYPE_NAME.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
        tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
        tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
        value-prof.c: Fix comment typos.  Follow spelling conventions.

2004-09-10  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dce.c (remove_dead_stmt): Update profile.
        * tree-split_edge.c (tree_split_edge): Likewise.
        (thread_jumps): Likewise.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
        typos.

2004-09-10  Paolo Bonzini  <bonzini@gnu.org>

        * cgraph.h (cgraph_dump_file): Do not declare.
        * cgraphunit.c (cgraph_dump_file): Declare as static.
        (init_cgraph): New.
        * toplev.c (cgraph_dump_file): Do not declare.
        (compile_file): Call init_cgraph.
        * tree-dump.c (dump_files): Add IPA dump file, remove
        XML dump of call graph.
        (get_dump_file_name): Support IPA dump file naming scheme.
        * tree.h (enum tree_dump_index): Add IPA dump file, remove
        XML dump of call graph.
        * doc/invoke.texi (Debugging Options): Document the new options.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * doc/extend.texi: Document the FR-V built-in functions.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

        * doc/sourcebuild.texi: Delete libbanshee reference.

2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

        * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
        before calling vector_types_convertible_p.
        (digest_init): Check that inside_init has VECTOR_TYPE before calling
        vector_types_convertible_p.  Don't give another error if
        convert_for_assignment returns error_mark_node.

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

        PR middle-end/17055
        * fold-const.c (build_zero_vector): New function to construct a
        vector (either floating point or integer) of zeros.
        (fold_convert): Internally, enable conversions of integer zero
        to arbitrary vector types, using the new build_zero_vector.

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

        * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
        expand a left shift by an immediate constant as either an ashl or
        a sequence of additions.
        (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
        instead of calling gen_ashlsi3 with a constant directly.

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

        * config/i386/i386.c (ix86_split_long_move): When optimizing for
        size, and the low and high parts of a DImode constant are equal,
        copy one register to another instead of loading the same immediate
        value twice.

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

        PR middle-end/17367
        * function.c (assign_parm_setup_block): Only put PARALLELs into
        a register if use_register_for_decl.

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

        * ra-colorize.c (reset_lists): Move variable declaration inside
        ENABLE_CHECKING to avoid unused variable warnings when
        not --enable-checking.
        (check_colors): Ditto.

2004-09-09  Mike Stump  <mrs@apple.com>

        * version.c (version_string): Bump to 4.0.0.
        * doc/include/gcc-common.texi (version-GCC): Likewise.

2004-09-10  Jakub Jelinek  <jakub@redhat.com>

        * doc/extend.texi (nothrow attribute): The attribute is not
        implemented in 3.2 and earlier.

2004-09-09  Steve Ellcey  <sje@cup.hp.com>

        * genrecog.c (compute_predicate_codes): Use op0_codes
        instead of codes.

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

        * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
        implementation changes.

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

        * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
        a PARALLEL instead of a SET due to added clobbers.

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

        * reload.c (find_reloads_address): Pass correct operand to
        maybe_memory_address_p.

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

        * Makefile.in: Remove libbanshee, tree-alias-*.
        Remove tree-alias-common.h dependencies.
        * common.opt: Remove -ftree-points-to.
        * configure.ac: Remove libbanshee.
        * flags.h: Remove pta_type, flag_tree_points_to.
        * gengtype.c (open_base_files): Remove tree-alias-type.h.
        * opts.c (OPT_ftree_points_to): Remove.
        * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
        * tree-dfa.c: Remove tree-alias-common.h
        * tree-into-ssa.c: Ditto.
        * tree-outof-ssa.c: Ditto.
        * tree-ssa-copyrename.c: Ditto.
        * tree-ssa-live.c: Ditto.
        * tree-optimize.c: Ditto.
        * tree-ssa.c: Ditto.
        Remove pass_build_pta, pass_del_pta.
        * tree-pass.h: Ditto.
        * tree-ssa-alias.c: Remove tree-alias-common.h.
        (struct alias_stats_d): Remove pta_queries, pta_resolved.
        (pass_may_alias): Remove PROP_pta requirement.
        (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
        (get_tmt_for): Ditto.
        (dump_alias_stats): Ditto.
        * doc/passes.texi: Remove blurb about points-to analysis.
        * fortran/Make-lang.in: Remove tree-alias-*.o.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

        * genattrtab.c (write_insn_cases): New function, split out from
        write_attr_case.  Correctly handle define_peepholes when printing
        the instruction name.
        (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.

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

        PR target/17377
        * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
        * config/cris/cris.c (cris_return_address_on_stack): New function.
        * config/cris/cris.md ("return"): For location of return address,
        also check cris_return_address_on_stack.

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

        * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
        calling phi_ssa_name_p.

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

        PR c/17322
        * c-typeck.c (valid_compound_expr_initializer): Use only
        initializer_constant_valid_p, and not TREE_CONSTANT.
        (digest_init): Likewise.
        (output_init_element): Likewise.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
        live_out_1, prune_hardregs_for_mode, init_one_web_common,
        reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
        record_conflict, compare_and_free_webs, init_webs_defs_uses,
        parts_to_webs_1, parts_to_webs, reset_conflicts,
        check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
        ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
        * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
        put_move, remove_move, combine, select_spill, colorize_one_web,
        try_recolor_web, insert_coalesced_conflicts, check_colors,
        break_precolored_alias, restore_conflicts_from_coalesce,
        sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
        * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
        reloads_to_loads, rewrite_program2, emit_colors): Likewise.
        * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
        check_df): Likewise.
        * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
        real_arithmetic, real_compare, real_exponent, real_ldexp,
        real_identical, real_to_integer, real_to_integer2, real_to_decimal,
        real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
        real_digit, real_nan, real_maxval, round_for_format, real_convert,
        real_to_target, real_from_target, real_hash, encode_ieee_single,
        encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
        encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
        encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
        * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
        extract_insn, peep2_next_insn, peep2_reg_dead_p,
        peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
        if_test_bypass_p): Likewise.
        * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
        stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
        emit_swap_insn, swap_to_top, move_for_stack_reg,
        subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
        compensate_edge, convert_regs_1): Likewise.
        * regclass.c (init_reg_sets, init_reg_sets_1,
        memory_move_secondary_cost): Likewise.
        * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
        Likewise.
        * reload.c (push_secondary_reload, find_valid_class, push_reload,
        operands_match_p, decompose, immune_p, find_reloads,
        find_reloads_toplev, find_reloads_address_1, subst_reloads,
        copy_replacements, refers_to_regno_for_reload_p,
        reg_overlap_mentioned_for_reload_p): Likewise.
        * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
        count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
        verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
        reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
        choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
        do_output_reload, fixup_abnormal_edges): Likewise.
        * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
        fill_slots_from_thread, relax_delay_slots): Likewise.
        * resource.c (mark_referenced_resources, mark_set_resources):
        Likewise.
        * rtl.c (copy_rtx, rtx_equal_p): Likewise.
        * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
        dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
        subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
        find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
        hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * sbitmap.c (sbitmap_difference): Likewise.
        * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
        sched_analyze, add_forward_dependence): Likewise.
        * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
        * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
        schedule_insns): Likewise.
        * sched-vis.c (print_pattern): Likewise.
        * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
        * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
        simplify_const_relational_operation, simplify_ternary_operation,
        simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
        Likewise.
        * sreal.c (copy, sreal_sub, sreal_div): Likewise.
        * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
        resolve_operand_name_1, expand_return, expand_decl,
        expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
        * stor-layout.c (put_pending_size, smallest_mode_for_size,
        int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
        set_sizetype, get_mode_bounds): Likewise.

2004-09-09  Zack Weinberg  <zack@codesourcery.com>

        * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
        * config/arm/pecoff.h, config/i386/beos-elf.h
        * config/i386/cygming.h, config/i386/i386-interix.h:
        Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
        comment cloned from manual.
        * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.

2004-09-09  Frank Ch. Eigler  <fche@redhat.com>

        * builtins.c (build_va_arg_indirect_ref): New function.
        (std_gimplify_va_arg_expr): Call it instead of mudflap check and
        build_fold_indirect_ref.
        * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
        * tree.h: Declare new function.

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

        * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
        dumping for development builds.
        * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
        development builds only.
        * genattrtab.c (write_eligible_delay): Fix typo in previous
        commit.
        * tree.c (iterative_hash_expr): Replace gcc_unreachable with
        gcc_assert.

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

        * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
        cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
        process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
        hoist_code, extract_mentioned_regs_helper, compute_store_table,
        insert_store): Use gcc_assert and gcc_unreachable.
        * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
        gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
        ggc_record_overhead): Likewise.
        * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
        init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
        ggc_pop_context, clear_marks, validate_free_objects,
        ggc_pch_read): Likewise.
        * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
        ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
        ggc_push_context, check_cookies, ggc_collect,
        ggc_print_statistics): Likewise.
        * gimple-low.c (lower_function_body, lower_stmt,
        lower_bind_expr): Likewise.
        * gimplify.c (gimple_tree_eq, push_gimplify_context,
        pop_gimplify_context, gimple_pop_condition, create_tmp_var,
        declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
        mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
        gimplify_case_label_expr, gimplify_exit_block_expr,
        canonicalize_component_ref, gimplify_compound_lval,
        gimplify_self_mod_expr, gimplify_call_expr,
        gimplify_init_ctor_eval, gimplify_init_constructor,
        gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
        gimplify_expr, check_pointer_types_r,
        force_gimple_operand): Likewise.
        * global.c (global_alloc, build_insn_chain): Likewise.
        * graph.c (clean_graph_dump_file,
        finish_graph_dump_file): Likewise.
        gcov-io.c (gcov_open): Use GCOV_CHECK.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.

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

        middle-end/17128
        * tree-inline.c (expand_call_inline): Make overactive sanity check
        happy.

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

        * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
        VIEW_CONVERT_EXPR.

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

        * Makefile.in (gengtype): Use $(BUILD_ERRORS).
        (gengtype.o): Depend on errors.h.
        * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
        (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
        attr_alt_subset_p, attr_alt_subset_of_compl_p,
        attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
        write_test_expr, write_attr_value, write_eligible_delay,
        make_internal_attr, make_numeric_value): Likewise.
        * genautomata.c (regexp_name, get_str_vect,
        gen_presence_absence_set, automaton_decl_hash,
        automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
        decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
        process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
        test_unit_reserv, it_is_empty_reserv_sets,
        reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
        reserv_sets_and, output_cycle_reservs, get_free_state,
        intersected_state_reservs_p, states_union, remove_arc,
        copy_insn_regexp, transform_1, transform_2, transform_3,
        regexp_transform_func, store_alt_unit_usage,
        check_regexp_units_distribution, process_seq_for_forming_states,
        process_alts_for_forming_states, make_automaton,
        form_arcs_marked_by_insn, create_composed_state,
        set_out_arc_insns_equiv_num, partition_equiv_class,
        process_insn_equiv_class, set_insn_equiv_classes,
        units_to_automata_heuristic_distr, form_regexp,
        longest_path_length, output_dfa_max_issue_rate, add_vect,
        out_state_arcs_num, add_vect_el, output_trans_table,
        output_state_alts_table, output_dead_lock_vect,
        output_max_insn_queue_index_def,
        output_min_insn_conflict_delay_func,
        output_internal_insn_latency_func, output_print_reservation_func,
        output_cpu_unit_reservation_p, output_state_arcs,
        make_insn_alts_attr, make_internal_dfa_insn_code_attr,
        make_default_insn_latency_attr,
        form_important_insn_automata_lists): Likewise.
        * genemit.c (gen_exp, output_add_clobbers,
        output_added_clobbers_hard_reg_p): Likewise.
        * genextract.c (print_path, main): Likewise.
        * genflags.c (gen_macro): Likewise.
        * gengenrtl.c: Include errors.h
        (type_from_format, accessor_from_format): Likewise.
        * gengtype.c (get_file_basename, output_mangled_typename,
        walk_type, write_types_process_field,
        write_types_local_process_field): Likewise.
        * genmodes.c (complete_mode): Likewise.
        * genopinit.c (gen_insn): Likewise.
        * genoutput.c (output_insn_data, check_constraint_len,
        constraint_len): Likewise.
        * genpreds.c (add_mode_tests):Likewise.
        * gen-protos.c (add_hash): Likewise.
        * genrecog.c (find_operand, find_matching_operand,
        validate_pattern, add_to_sequence, maybe_both_true,
        nodes_identical_1, merge_trees, write_switch, write_cond,
        write_action, is_unconditional, make_insn_sequence,
        debug_decision_2): Likewise.
        * gensupport.c (is_predicable, collect_insn_data,
        alter_predicate_for_insn, maybe_eval_c_test): Likewise.

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

        * basic-block.h (guess_outgoing_edge_probabilities): Declare.
        * cfgbuild.c (compute_outgoing_frequencies): When probability is
        missing, guess it.
        (find_many_sub_basic_blocks): Do update profile only when it is
        present.
        * predict.c (set_even_probabilities): Break out from ...
        (combine_predictions_for_insn): ... here; deal with
        !can_predict_insn_p insns.
        (combine_predictions_for_bb): Use set_even_probabilities.
        (bb_estimate_probability_locally): Break out from ....
        (estimate_probability): ... here.
        (guess_outgoing_edge_probabilities): New entry point.

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

        * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
        handle_braces, process_brace_body, main, used_arg,
        set_multilib_dir, print_multilib_info): Use fatal, not abort.

        * tree-nested.c (create_tmp_var_for): Correct missinverted assert.

        * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
        * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
        Morgan's theorem in last checkin.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
            Nathan Sidwell  <nathan@codesourcery.com>

        * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
        Use gcc_assert, gcc_unreachable & internal_error instead of abort.
        * timevar.c (timevar_push, timevar_pop, timevar_start,
        timevar_stop): Likewise.
        * toplev.c (default_pch_valid_p): Likewise.
        * tracer.c (tail_duplicate): Likewise.
        * tree-alias-common.c (get_alias_var_decl,
        get_values_from_constructor, create_alias_var, delete_alias_vars,
        empty_points_to_set, same_points_to_set, ptr_may_alias_var):
        Likewise.
        * tree.c (tree_size, make_node_stat, copy_node_stat,
        build_int_cst_wide, integer_all_onesp, list_length, chainon,
        tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
        substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
        build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
        lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
        build_method_type_directly, decl_type_context, get_callee_fndecl,
        get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
        tree_fold_gcd): Likewise.
        * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
        make_cond_expr_edges, group_case_labels, tree_merge_blocks,
        cleanup_control_expr_graph, find_taken_edge,
        find_taken_edge_switch_expr, phi_alternatives_equal,
        is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
        stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
        tree_split_edge, tree_verify_flow_info, thread_jumps,
        tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
        * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
        chrec_fold_multiply_poly_poly): Likewise.
        * tree-complex.c (extract_component, expand_complex_division,
        expand_complex_comparison, expand_complex_operations_1,
        build_replicated_const, expand_vector_operations_1): Likewise.
        * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
        build_classic_dir_vector): Likewise.
        * tree-dfa.c (compute_immediate_uses_for_phi,
        compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
        create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
        record_in_finally_tree, replace_goto_queue_1,
        maybe_record_in_goto_queue, verify_norecord_switch_expr,
        do_return_redirection): Likewise.
        * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
        add_to_dst_predicate_list, find_phi_replacement_condition,
        replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
        Likewise.
        * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
        initialize_inlined_parameters, declare_return_variable,
        estimate_num_insns_1, expand_call_inline, expand_calls_inline,
        optimize_inline_calls, copy_tree_r): Likewise.
        * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
        ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
        * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
        tsi_split_statement_list_after, tsi_split_statement_list_before):
        Likewise.
        * tree-mudflap.c (mf_varname_tree): Likewise.
        * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
        lookup_tramp_for_decl, convert_all_function_calls): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
        coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
        free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
        Likewise.
        * tree-phinodes.c (resize_phi_node, add_phi_arg,
        remove_all_phi_nodes_for): Likewise.
        * tree-pretty-print.c (op_prio, print_call_name): Likewise.
        * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
        * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
        sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
        generate_one_element_ref, generate_element_copy,
        generate_element_zero, scalarize_copy, scalarize_init,
        scalarize_ldst): Likewise.
        * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
        add_may_alias, add_pointed_to_expr, add_pointed_to_var,
        collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
        * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
        * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
        set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
        widen_bitfield, ccp_fold_builtin): Likewise.
        * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
        replace_exp_1, propagate_tree_value): Likewise.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
        * tree-ssa-dce.c (set_control_dependence_map_bit,
        find_control_dependence, find_pdom, mark_operand_necessary,
        mark_stmt_if_obviously_necessary,
        mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
        * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
        simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
        eliminate_redundant_computations, avail_expr_eq): Likewise.
        * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
        duplicate_blocks): Likewise.
        * tree-ssa-loop-im.c (for_each_index, set_level,
        is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
        stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
        find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
        peel_address, ptr_difference_cost, may_replace_final_value,
        determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
        rewrite_use, rewrite_uses): Likewise.
        * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
        check_loop_closed_ssa_use): Likewise.
        * tree-ssanames.c (make_ssa_name): Likewise.
        * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
        finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
        get_stmt_operands, get_expr_operands, get_asm_expr_operands,
        get_indirect_ref_operands, add_stmt_operand): Likewise.
        * tree-ssa-pre.c (value_exists_in_set_bitmap,
        value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
        phi_translate, valid_in_set, compute_antic,
        find_or_generate_expression, create_expression_by_pieces, insert_aux,
        create_value_expr_from, eliminate): Likewise.
        * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
        * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
        Likewise.
        * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
        eliminate_tail_call): Likewise.
        * tree-vectorizer.c (vect_create_index_for_array_ref,
        vect_align_data_ref, vect_create_data_ref,
        vect_create_destination_var, vect_get_vec_def_for_operand,
        vect_finish_stmt_generation, vect_transform_stmt,
        vect_transform_loop_bound, vect_transform_loop,
        vect_analyze_operations): Likewise.
        * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
        Likewise.
        * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
        get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
        bsi_after_labels, bsi_last): Likewise.
        * tree-ssa-live.c (var_union, change_partition_var,
        create_ssa_var_map, calculate_live_on_entry, root_var_init,
        type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
        Likewise.
        * tree-ssa-live.h (partition_is_global, live_entry_blocks,
        tpa_find_tree): Likewise.
        (register_ssa_partition_check): Declare.
        (register_ssa_partition): use it.
        * tree-ssa-live.c: Include errors.h.
        (register_ssa_partition_check): New.
        * tree-ssa-operands.c: Include errors.h.
        * Makefile.in (tree-ssa-operands.o): Depend on errors.h.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
            Catherine Moore  <clm@redhat.com>

        * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
        (FRV_CPU_FR405): New processor enums.
        (frv_issue_rate, frv_acc_group): Declare.
        * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
        (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
        (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
        (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
        (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
        handled by CPP_SPEC.
        (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
        (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
        (ACC_MASK): New macro.
        (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
        (TARGET_MEDIA_FR450): New macro.
        (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
        (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
        (LABEL_ALIGN_AFTER_BARRIER): Define.
        (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
        (IACC_FIRST, IACC_LAST): New pair of SPRs.
        (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
        (REGISTER_NAMES): Add entries for new registers.
        (REG_CLASS_CONTENTS): Update for new register ranges.
        (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
        (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
        (PACKING_FLAG_USED_P): Delete.
        (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
        (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
        (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
        (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
        (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
        (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
        (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
        (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
        (CPU_UNITS_QUERY): Define to 1.
        * config/frv/frv.c: Include gt-frv.h
        (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
        (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
        (frv_insn_group): New enumeration.
        (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
        (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
        (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
        (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
        gap left by REGSTATE_LIVE.
        (regstate_t): New typedef.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
        (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
        Initialize frv_unit_codes[] and frv_type_to_unit[].
        (frv_conditional_register_usage): Remove redundant fixing of
        accumulator registers.
        (frv_insn_packing_flag): Update specification.
        (frv_function_prologue): Don't set frv_insn_packing_flag here.
        Zero out frv_nops[].
        (frv_expand_epilogue): Remove comments about the no-longer-present
        SIBCALL_P argument.
        (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
        PACKING_FLAG_USED_P() when deciding whether to pack instructions.
        (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
        of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
        packing is disabled and if INSN can only issue to M1.
        (call_operand): Check TARGET_LONG_CALLS.
        (acc_operand, even_acc_operand, quad_acc_operand)
        (accg_operand): Simplify.  Don't accept pseudo registers.
        (output_move_single): Handle SPR<-zero moves.
        (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
        (frv_registers_update, frv_registers_used_p): Delete.
        (frv_registers_set_p): Delete.
        (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
        (frv_issues_to_branch_unit_p): New function.
        (frv_packet): New structure.
        (frv_cond_flags, frv_regstate_conflict_p): New functions.
        (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
        (frv_registers_update_1, frv_registers_update): New functions.
        (frv_start_packet, frv_start_packet_block, frv_finish_packet)
        (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
        (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
        (frv_sort_insn_group, frv_reorder_packet): New functions.
        (frv_pack_insns): Use frv_reorder_packet.
        (frv_packet_address): New variable.
        (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
        (frv_register_nop, frv_reorg): New functions.
        (bdesc_1arg): Add __SCUTSS.
        (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
        __SUBSS, __SLASS and __SCAN.
        (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
        (bdesc_int_void2arg, bdesc_prefetches): New arrays.
        (frv_init_builtins): Register the above builtins.
        (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
        registers.  Turn the referenced accumulators into global registers.
        (frv_read_iacc_argument): New function.
        (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
        (frv_split_iacc_move): New function.
        (frv_expand_builtin): Handle the new builtins.
        * config/frv/frv.md: Replace old schedulers with new order-independent
        ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
        packing algorithm.
        (cpu): Add fr550, fr450 and fr405.
        (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
        mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
        (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
        (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
        (fnop, mnop): New patterns.
        (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
        New constants.
        (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
        (mclracca8): Use ACC_MASK to determine the upper set of accumulator
        registers.
        (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
        (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
        (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
        (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
        (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
        (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
        (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
        (frv_prefetch0, frv_prefetch): New patterns.
        * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
        -mcpu=simple.  Add -mcpu=fr550.
        (MULTILIB_DIRNAMES): Update accordingly.
        (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
        -mcpu=fr450.
        * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
        -mlong-calls and -malign-labels options for FR-V.

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

        PR c/8420
        * c-tree.h (struct c_declspecs): New.
        (struct c_declarator, struct c_type_name, struct c_parm): Update
        element types.
        (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
        start_function, start_decl, build_c_parm,
        make_pointer_declarator): Update prototypes.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): New.
        (split_specs_attrs): Remove.
        * c-parse.in (%union): Add dsptype.
        (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
        declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
        declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
        declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
        declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
        declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
        declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
        declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
        declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
        declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
        maybe_type_quals_attrs): Change to dsptype.
        (struct c_declspec_stack): New.
        (current_declspecs, declspec_stack): Change type.
        (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
        structures.
        (extdefs): Likewise.
        (setspecs): Likewise.
        (fndef): Use current_declspecs for empty declspecs list.
        (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
        declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
        declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
        declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
        declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
        declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
        declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
        declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
        structures and helper functions.  Update comments.
        (typespec_nonattr): Correct comment.
        (maybe_type_quals_attrs, typename): Update to new structures.
        * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
        shadow_tag, shadow_tag_warned, start_function, start_decl,
        build_c_parm, make_pointer_declarator,
        set_array_declarator_inner, groktypename): Update to new
        structures.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): New.
        (split_specs_attrs): Remove.
        (shadow_tag_warned): Make warning for useless type names a
        pedwarn.  Give hard error for long, short, signed, unsigned or
        _Complex used with struct, union or enum in empty declaration.
        Make found_tag a bool.
        (grokdeclarator): Remove checks now done at parse time.

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

        * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
        c_declarator, struct c_type_name, struct c_parm): New.
        (build_array_declarator, set_array_declarator_inner,
        get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
        start_function, start_decl, build_c_parm, build_attrs_declarator,
        build_function_declarator, make_pointer_declarator, c_cast_expr,
        store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
        (build_id_declarator): New.
        * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
        structures.
        * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
        ARG_INFO_OTHERS): Remove.
        (build_id_declarator): New.
        (build_array_declarator, set_array_declarator_inner, groktypename,
        start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
        grokfield, start_function, store_parm_decls_newstyle,
        store_parm_decls_oldstyle, store_parm_decls,
        build_c_parm, build_attrs_declarator, build_function_declarator,
        make_pointer_declarator, grokdeclarator): Update to new
        structures.
        * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
        parmtype.
        (declarator, notype_declarator, after_type_declarator,
        parm_declarator, parm_declarator_starttypename,
        parm_declarator_nostarttypename, array_declarator, typename,
        absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
        absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
        parmlist_1, parmlist_2, parmlist_or_identifiers,
        parmlist_or_identifiers_1): Use these types.
        (primary, after_type_declarator, parm_declarator_starttypename,
        notype_declarator, component_decl, component_declarator,
        component_notype_declarator, typename, absdcl,
        absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
        parmlist_2, parmlist_or_identifiers_1): Update to new structures.

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

        * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
        in_typeof, record_maybe_used_decl, pop_maybe_used,
        c_expr_sizeof_expr, c_expr_sizeof_type): New.
        * c-decl.c (parser_obstack): New.
        (c_init_decl_processing): Initialize parser_obstack.
        (c_write_global_declarations_1): Check for used but undefined
        static functions.
        * c-parse.in (%union): Add otype.
        (save_obstack_position): New.
        (extdefs): Use it.
        (unary_expr): Update in_sizeof and in_alignof.  Use
        c_expr_sizeof_expr and c_expr_sizeof_type.
        (sizeof): Update in_sizeof.
        (alignof): Update in_alignof.
        (typeof): Update in_typeof.
        (typespec_nonreserved_nonattr): Call pop_maybe_used.
        * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
        maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
        pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
        (build_external_ref): Set C_DECL_USED or call
        record_maybe_used_decl if appropriate.
        * toplev.c (check_global_declarations): Check TREE_NO_WARNING.

2004-09-08  Eric Christopher  <echristo@redhat.com>

        * builtins.c: Fix prototype for fold_builtin_atan.

2004-09-08  Eric Christopher  <echristo@redhat.com>

        * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
        fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
        fold_builtin_atan): New functions. Migrate function bodies...
        (fold_builtin_1): ... from here.

2004-09-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
        save_size.

2004-09-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
        * config/rs6000/power5.md (power5-lmul): Same.

2004-09-08  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/17186
        * function.c (expand_function_end): Have fall-off-the-end
        return path jump around return register setup.

2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (sparc_indent_opcode): New variable.
        (output_return): Do not test for the presence of the 'unimp' insn.
        Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
        as predicates instead of custom ones.  Return raw strings when
        possible.
        (output_sibcall): Likewise.  Concatenate strings.
        (output_ubranch): Remove kludge for TurboSPARC.
        (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
        (output_v9branch): Likewise.
        (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
        <#>: Set sparc_indent_opcode if the delay slot is filled.
        <(>: Likewise.
        <)>: New operand to emit the displacement from the saved PC on return.
        <@>: Remove.
        * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
        (ASM_OUTPUT_OPCODE): New macro.
        (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
        * config/sparc/sparc.md (normal_branch, inverted_branch,
        normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
        inverted_fpe_branch): Adjust call to output_cbranch.
        (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
        call to output_v9branch.
        * config/sparc/sparc-protos.h (output_cbranch): Adjust.
        (output_v9branch): Likewise.

2004-09-08  Devang Patel  <dpatel@apple.com>

        * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
        -segs_read_only_addr and -segs_read_write_addr.
        (WORD_SWITCH_TAKES_ARG): Same.
        (LINK_SPEC): Same.
        * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
        -segs_read_write_addr.

2004-09-08  Richard Henderson  <rth@redhat.com>

        * function.c (reference_callee_copied): New.
        (assign_parm_setup_reg): Use it.
        * calls.c (initialize_argument_information): Likewise.
        (emit_library_call_value_1): Likewise.
        * function.h (reference_callee_copied): Declare.

        * target.h (struct gcc_target): Add callee_copies.
        * target-def.h (TARGET_CALLEE_COPIES): New.
        (TARGET_PASS_BY_REFERENCE): Update default.
        * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * targhooks.c (hook_callee_copies_named): New.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
        hook_pass_by_reference_false.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
        * targhooks.h: Update decls.
        * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
        * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
        * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
        (mips_callee_copies): New.
        * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
        * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
        * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
        * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/sh/sh.c (sh_callee_copies): New.
        (TARGET_CALLEE_COPIES): New.
        * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
        * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
        for FUNCTION_ARG_CALLEE_COPIES.
        * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.

2004-09-08  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (find_phi_replacement_condition): Return true
        edge block.
        (replace_phi_with_cond_modify_expr): Select conditional expr args
        based on true edge basic block.

2004-09-08  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
        variables being alias set.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * final.c (shorten_branches, final, get_insn_template,
        output_alternate_entry_point, final_scan_insn, alter_subreg,
        alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
        leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
        * fix-header.c (lookup_std_proto): Likewise.
        * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
        verify_local_live_at_start, update_life_info, mark_reg,
        calculate_global_regs_live, allocate_reg_life_data,
        init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
        ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
        attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
        * fold-const.c (force_fit_type, div_and_round_double,
        may_negate_without_overflow_p, int_const_binop, const_binop,
        size_binop, size_diffop, fold_convert_const, fold_convert,
        invert_tree_comparison, swap_tree_comparison,
        comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
        range_binop, make_range, fold_cond_expr_with_comparison,
        fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
        fold_abs_const, fold_not_const, fold_relational_const, round_up,
        round_down): Likewise.
        * function.c (find_function_data, assign_stack_temp_for_type,
        instantiate_virtual_regs_lossage, aggregate_value_p,
        assign_parm_find_entry_rtl, assign_parm_setup_block,
        expand_function_start, expand_function_end, keep_stack_depressed,
        handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.

2004-09-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (tree-loop-linear.o): Added.
        (OBJS-common): Add tree-loop-linear.o
        * common.opt: New flag, ftree-loop-linear.
        * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
        * tree-flow.h: Add prototype for linear_transform_loops.
        * tree-optimize.c: Add linear transform after vectorization.
        * tree-pass.h: Add struct pass_linear_transform.
        * tree-ssa-loop.c: Add pass_linear_transform.
        * tree-loop-linear.c: New file.
        * lambda-code.c: gcc_assertify.
        (gcc_loop_to_lambda_loop): Handle all exit tests.
        Handle case where we have (invariant >= induction var).
        (find_induction_var_from_exit_cond): Ditto.

2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
        memory tag is call clobbered, so are its aliases.
        (group_aliases): When two memory tags being grouped, if one is
        call clobbered, so are the other and its aliases.
        (add_may_alias): Remove call-clobbering stuff.
        (replace_may_alias): Likewise.
        (merge_pointed_to_info): Merge pt_global_mem

2004-09-08  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
        * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
        (cgraph_expand_function): Remove stale cgraph edges of currently
        compiled function; fix non-unit-at-a-time code copying function
        node for later reuse.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
        (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
        (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
        (vec_gc_free, vec_heap_free): New.
        * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
        (DEF_VEC_P): Add allocator argument. Adjust.
        (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
        (DEF_VEC_O): Add allocator argument. Adjust.
        (VEC(free)): New.

        * tree.h (tree): Define a GC'd vector.
        * lamba-code.c (lambda_loop): Likewise.
        * value-prof.h (histogram_value): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
        (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
        gen_lowpart_common, gen_highpart, gen_highpart_mode,
        subreg_highpart_offset, operand_subword, operand_subword_force,
        mem_expr_equal_p, set_mem_attributes_minus_bitpos,
        set_mem_alias_set, change_address_1, verify_rtx_sharing,
        copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
        try_split, add_insn_after, add_insn_before, remove_insn,
        remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
        emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
        emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
        set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
        gen_const_vector_0, emit_copy_of_insn_after): Likewise.
        * et-forest.c (set_prev, set_next, et_check_occ_sanity,
        record_path_before_1, check_path_after_1, check_path_after): Likewise.
        * except.c (gen_eh_region, resolve_one_fixup_region,
        remove_unreachable_regions, convert_from_eh_region_ranges_1,
        add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
        connect_post_landing_pads, sjlj_emit_function_exit,
        remove_exception_handler_label, remove_eh_handler,
        reachable_next_level, collect_one_action_chain,
        output_function_exception_table): Likewise.
        * explow.c (trunc_int_for_mode, copy_to_mode_reg,
        optimize_save_area_alloca, allocate_dynamic_stack_space,
        probe_stack_range, hard_function_value): Likewise.
        * expmed.c (mode_for_extraction, store_bit_field,
        store_fixed_bit_field, extract_bit_field, expand_shift,
        expand_mult_const, expand_mult, choose_multiplier,
        expand_mult_highpart, expand_divmod, emit_store_flag,
        do_cmp_and_jump): Likewise.
        * expr.c (convert_move, convert_modes, move_by_pieces,
        move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
        move_block_from_reg, gen_group_rtx, emit_group_load,
        emit_group_move, emit_group_store, use_reg, use_regs,
        can_store_by_pieces, store_by_pieces, store_by_pieces_1,
        emit_move_insn, emit_move_insn_1, emit_push_insn,
        expand_assignment, store_expr, count_type_elements,
        store_constructor, store_field, safe_from_p, expand_var,
        expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
        gcc_assert and gcc_unreachable.
        * ddg.c (create_ddg_dependence, add_deps_for_def,
        add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
        * df.c (df_ref_unlink, df_ref_record, df_uses_record,
        df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
        df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
        df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
        df_bb_reg_live_end_p, df_bb_regs_lives_compare,
        df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
        dataflow_set_copy, hybrid_search, diagnostic.c,
        diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
        * dojump.c (do_jump): Likewise.
        * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
        compute_dom_fast_query, calculate_dominance_info,
        free_dominance_info, get_immediate_dominator,
        set_immediate_dominator, get_dominated_by,
        redirect_immediate_dominators, nearest_common_dominator,
        dominated_by_p, verify_dominators, recount_dominator,
        iterate_fix_dominators, add_to_dominance_info,
        delete_from_dominance_info): Likewise.
        * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
        dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
        dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
        * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
        initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
        flush_queued_reg_saves, dwarf2out_frame_debug_expr,
        dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
        output_call_frame_info, output_loc_operands, build_cfa_loc,
        decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
        AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
        AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
        splice_child_die, attr_checksum, same_dw_val_p,
        break_out_includes, build_abbrev_table, size_of_die, mark_dies,
        unmark_dies, value_format, output_loc_list, output_die,
        output_pubnames, output_aranges, base_type_die, is_base_type,
        modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
        mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
        field_byte_offset, add_data_member_location_attribute,
        add_const_value_attribute, rtl_for_decl_location,
        add_location_or_const_value_attribute, add_byte_size_attribute,
        add_bit_offset_attribute, add_bit_size_attribute,
        add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
        decl_start_label, gen_formal_parameter_die,
        gen_type_die_for_member, gen_subprogram_die, gen_label_die,
        gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
        force_decl_die, force_type_die, gen_decl_die,
        dwarf2out_imported_module_or_decl, prune_unused_types_prune,
        dwarf2out_finish): Likewise.

2004-09-08  Andreas Tobler  <toa@pop.agri.ch>

        * Makefile.in (builtins.o): Depend on tree-mudflap.h.
        * builtins.c: Include tree-mudflap.h.

2004-09-08  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
        force operand 0.0 into register in XFmode. Also do not force
        operand 0.0 into register if !TARGET_CMOVE.
        * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
        (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
        implement ftst x87 instruction.
        (*fp_jcc_7): New insn pattern. Change corresponding split
        pattern to handle "general_operand" instead of
        "nonimmediate_operand".

2004-09-08  Ben Elliston  <bje@au.ibm.com>

        * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.

2004-09-07  Frank Ch. Eigler  <fche@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
        generated from standard va_arg expansion.
        * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
        marked nodes.
        (mf_varname_tree, mf_file_function_line_tree): Add some support
        for column numbers if compiled with USE_MAPPED_LOCATION.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (groktypename_in_parm_context): Remove function.
        * c-tree.h (groktypename_in_parm_context): Remove prototype.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

        * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
        * c-parse.in: Include c-common.h instead of objc-act.h.
        (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
        myparms, myparm): Remove %type declarations.
        (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
        objc_typename, objc_try_catch_stmt, optellipsis): Add %type
        declarations.
        (objc_inherit_code, objc_public_flag): Remove.
        (typespec_nonreserved_nonattr): Call
        objc_get_protocol_qualified_type() instead of get_static_reference()
        and get_protocol_reference().
        (stmt_nocomp): Call grokparm() on @catch parameter.
        (objcdef): Move semantic action to objc_finish_implementation().
        (classdef): Move semantic action to objc_start_class_interface(),
        objc_continue_interface(), objc_finish_interface(),
        objc_start_class_implementation(), objc_continue_implementation(),
        objc_start_category_interface() and
        objc_start_category_implementation().
        (protocoldef): Move semantic actions to objc_start_protocol() and
        objc_finish_interface().
        (ivar_decl_list): Remove nonterminal.
        (visibility_spec): Move semantic actions to objc_set_visibility().
        (ivar_decls): Remove assignment to $$.
        (ivar_decl): Rephrase in terms of component_decl; call
        objc_add_instance_variable().
        (ivars, ivar_declarator): Remove nonterminals.
        (opt_semi): New nonterminal.
        (methodtype): Remove semantic actions.
        (methoddef): Move semantic actions to objc_set_method_type(),
        objc_start_method_definition() and objc_finish_method_definition().
        (methodproto): Move semantic actions to objc_set_method_type() and
        objc_add_method_declaration().
        (methoddecl): Use objc_typename instead of typename; move semantic
        actions to objc_build_method_signature().
        (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
        (optparmlist): Express in terms of optparms and optellipsis.
        (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
        nonterminals.
        (keyworddecl): Use objc_typename instead of typename.
        (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
        and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().

2004-09-08  Alan Modra  <amodra@bigpond.net.au>

        * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
        (MD_FALLBACK_FRAME_STATE_FOR): Update.
        * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
        (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
        (MD_FROB_UPDATE_CONTEXT): Remove default.
        (uw_update_context_1): Instead #ifdef invocation.
        * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
        (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
        * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
        (MD_UNWIND_SUPPORT): Undefine this instead.
        * config/i386/gnu.h: Likewise.
        * config/alpha/linux-unwind.h: New file, macro converted to
        function, extracted from..
        * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
        (MD_UNWIND_SUPPORT): Define.
        * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
        * config/i386/linux-unwind.h, config/i386/linux.h,
        config/i386/linux64.h: Likewise.
        * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
        MD_HANDLE_UNWABI too.
        * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
        * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
        * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
        * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
        * config/sparc/linux-unwind.h, config/sparc/linux.h,
        config/sparc/linux64.h: Likewise.
        * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
        SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
        * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
        config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
        function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * cse.c (fold_rtx):  Avoid building of
        (CONST (MINUS (CONST_INT) (SYMBOL_REF)))

        * tree-ssa-pre.c (grand_bitmap_obstack): New.
        (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
        (init_pre): Initialize obstack.
        (fini_pre): Free obstack.

2004-09-07  David Daney  <ddaney@avtrex.com>

        * config.gcc: Added support for --with-divide=[breaks|traps] for
        mips targets.
        * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
        (TARGET_DIVIDE_TRAPS): New macro.
        (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
        (OPTION_DEFAULT_SPECS): Added --with-divide= support.
        * config/mips/mips.c (mips_idiv_insns): Generate proper count on
        GENERATE_DIVIDE_TRAPS.
        (mips_output_division): Emit conditional trap if
        GENERATE_DIVIDE_TRAPS is set.
        * doc/install.texi: Document --with-divide.
        * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.

2004-09-07  Caroline Tice  <ctice@apple.com>

        * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
        EDGE_CROSSING, to flags test case.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
        class too.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
        cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
        make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
        or gcc_unreachable.
        * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
        remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
        alloc_aux_for_edges, free_aux_for_edges): Likewise.
        * cfgcleanup.c (try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps): Likewise.
        * cfgexpand.c (expand_gimple_cond_expr,
        expand_gimple_tailcall): Likewise.
        * cfghooks.c (duplicate_block): Likewise.
        * cfglayout.c (record_effective_endpoints,
        insn_locators_initialize, change_scope, fixup_reorder_chain,
        verify_insn_chain, fixup_fallthru_exit_predecessor,
        duplicate_insn_chain, cfg_layout_finalize): Likewise.
        * cfgloopanal.c (check_irred): Likewise.
        * cfgloop.c (superloop_at_depth, flow_loops_free,
        flow_loop_entry_edges_find, flow_loops_find,
        flow_loop_outside_edge_p, get_loop_body,
        get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
        get_loop_exit_edges, num_loop_branches, cancel_loop,
        verify_loop_structure): Likewise.
        cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
        duplicate_loop_to_header_edge, create_preheader,
        create_loop_notes): Likewise.
        * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
        edirect_branch_edge, force_nonfallthru_and_redirect,
        rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
        commit_edge_insertions, commit_edge_insertions_watch_calls,
        purge_dead_edges, cfg_layout_redirect_edge_and_branch,
        cfg_layout_redirect_edge_and_branch_force,
        cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
        * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
        cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
        cgraph_varpool_node): Likewise.
        * cgraphunit.c (cgraph_finalize_function,
        cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
        cgraph_expand_function, cgraph_remove_unreachable_nodes,
        cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_mark_inline, cgraph_expand_all_functions,
        cgraph_build_static_cdtor): Likewise.
        * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
        simplify_logical, distribute_notes, insn_cuid): Likewise.
        * conflict.c (conflict_graph_add, print_conflict): Likewise.
        * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
        coverage_checksum_string): Likewise.
        * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
        hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
        cse_cc_succs, cse_condition_code_reg): Likewise.
        * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
        rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
        new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
        cselib_record_set): Likewise.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (fold_builtin_strchr): Use build_int_cst, not
        fold_convert.
        (fold_builtin_strpbrk): Likewise.
        * expr.c (array_ref_low_bound): Likewise.
        * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
        interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
        * tree-sra.c (generate_element_zero): Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
        add_old_iv_candidates, add_iv_candidates): Likewise.
        * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
        * c-common.c (c_type_hash, c_common_nodes_and_builtins,
        c_expand_expr, boolean_increment, nonnull_check_p,
        check_function_arguments_recurse, fold_offsetof_1): Likewise.
        * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
        builtin_define_type_max): Likewise.
        * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
        implicit_decl_warning, builtin_function, build_compound_literal,
        complete_array_type, grokdeclarator, get_parm_info,
        start_function, store_parm_decls_oldstyle,
        c_write_global_declarations): Likewise.
        * c-format.c (get_constant, decode_format_attr,
        maybe_read_dollar_number, get_flag_spec, check_format_arg,
        check_format_types, format_type_warning,
        find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
        init_dynamic_diag_info, handle_format_attribute): Likewise.
        * c-gimplify.c (push_context, pop_context, finish_bc_block):
        * c-lex.c (c_lex_with_flags, lex_string): Likewise.
        * c-objc-common.c (c_tree_printer): Likewise.
        * c-pch.c (pch_init): Likewise.
        * c-pragma.c (maybe_apply_pragma_weak): Likewise.
        * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
        * c-typeck.c (c_incomplete_type_error, composite_type,
        common_pointer_type, common_type, same_translation_unit_p,
        tagged_types_tu_compatible_p, finish_init, pop_init_level,
        set_designator, set_nonincremental_init_from_string,
        process_init_element, c_finish_if_stmt): Likewise.
        * caller-save.c (init_caller_save, save_call_clobbered_regs,
        insert_restore, insert_save, insert_one_insn): Likewise.
        * calls.c (emit_call_1, compute_argument_block_size,
        precompute_arguments, expand_call, emit_library_call_value_1,
        store_one_arg): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Add release option. Reorganize
        to avoid repetition.
        * configure: Rebuilt.
        * doc/install.texi (enable-checking): Amend documentation.

2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/17313
        * Makefile.in (specs.ready): Depend on cc1$(exeext).

2004-09-06  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
        movdf_hardfloat_32bit): Split fG into two alternatives.
        (movv2sf_hardfloat_64bit): Split fYG into two alternatives.

        * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.

2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * final.c (output_in_slot): Delete.
        (final_scan_insn): Revert 2004-09-03 change.
        (output_asm_insn): Likewise.
        * config/sparc/sparc.c (output_return): Likewise.
        (output_sibcall): Likewise.

2004-09-06  Jan Hubicka  <jh@suse.cz>

        * loop.c (loop_dump_aux): Do not print RTL when not available.
        * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
        frontend specific type nodes.
        (produce_memory_decl_rtl): Break out from ...
        (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
        (get_computation_at): Avoid random tree sharing.
        (tree_ssa_iv_optimize): Verify tree sharing; dump loops.

2004-09-06  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
        unnecessary commands.

2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>

        * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
        (bitmap.o): Likewise.

2004-09-06  Paolo Bonzini  <bonzini@gnu.org>

        Unify the management of RTL and tree-level dump files.

        * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
        Don't print function name to the dump file, the pass manager
        would do this for us. Add code from the top of
        rest_of_compilation, up to the initial RTL dump.
        * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
        close the DFI_sibling dump file.
        (rest_of_compilation): Don't do that here.  Remove code up to the
        initial RTL dump.
        (init_optimization_passes): Remove.
        (pass_rest_of_compilation): Change pass name to NULL.
        * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
        Do not call init_optimization_passes.
        * toplev.h (init_optimization_passes): Remove.

        * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file): Remove SUFFIX parameter.
        * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file): Likewise.

        * tree-pass.h (struct tree_opt_pass): Add `letter' field.
        * cfgexpand.c (pass_expand): Adjust.
        * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
        * passes.c (pass_rest_of_compilation): Adjust.
        * predict.c (pass_profile): Adjust.
        * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
        * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
        pass_split_crit_edges, pass_warn_function_return): Adjust.
        * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
        * tree-dfa.c (pass_referenced_vars): Adjust.
        * tree-eh.c (pass_lower_eh): Adjust.
        * tree-if-conv.c (pass_build_ssa): Adjust.
        * tree-into-ssa.c (pass_build_ssa): Adjust.
        * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
        * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
        * tree-nrv.c (pass_nrv): Adjust.
        * tree-optimize.c (pass_gimple, pass_all_optimizations,
        pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
        pass_init_datastructures): Adjust.
        * tree-outof-ssa.c (pass_del_ssa): Adjust.
        * tree-profile.c (pass_tree_profile): Adjust.
        * tree-sra.c (pass_sra): Adjust.
        * tree-ssa-alias.c (pass_may_alias): Adjust.
        * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
        * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
        * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
        * tree-ssa-dom.c (pass_dominator): Adjust.
        * tree-ssa-dse.c (pass_dse): Adjust.
        * tree-ssa-forwprop.c (pass_forwprop): Adjust.
        * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
        * tree-ssa-loop-ch.c (pass_ch): Adjust.
        * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
        pass_loop_done, pass_complete_unroll, pass_iv_canon,
        pass_iv_optimize, pass_vectorize): Adjust.
        * tree-ssa-phiopt.c (pass_phiopt): Adjust.
        * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
        * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
        pass_late_warn_uninnitialized): Adjust.
        * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.

        * Makefile.in (tree-dump.o): Add new dependencies.
        * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
        * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
        Likewise.
        * toplev.c (dump_file_name): New.
        * tree-dump.c (dump_enable_all): Add LETTER parameter.
        (struct dump_file_info): Add NUM and LETTER fields.
        (dump_files): Adjust and add RTL dump files.
        (dump_register): Add NUM and LETTER fields.
        (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
        (dump_begin): Use get_dump_file_name.
        (dump_switch_p_1): Adjust call to dump_enable_all.
        * tree-dump.h (dump_register): Adjust prototype.
        * tree-optimize.c (register_one_dump_file): Take dump file index.
        Support flags for RTL dumps.
        (register_dump_files): Fill in NUM field of struct dump_file_info.
        Track properties both when the gate is executed and when it is not.
        (execute_todo): Dump RTL.  Add PROPERTIES parameter.
        (execute_one_pass): Pass properties to execute_todo.  Handle VCG
        dumps of RTL.
        * tree-pass.h (dump_file_name): New.
        * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
        New.

        * Makefile.in (passes.o): Add new dependencies.
        * passes.c (struct dump_file_info, enum dump_file_index,
        dump_file_tbl, init_optimization_passes): Remove.
        (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
        (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
        dump_enabled_p.
        (finish_optimization_passes): Update finish_graph_dump_file loop.
        (enable_rtl_dump_file): Remove.
        * tree-dump.c (dump_files): Adjust and add RTL dump files.
        (enable_rtl_dump_file): Add here.
        * tree.h (enum tree_dump_index): Add RTL dump file indices.
        * doc/invoke.texi (Debugging options): Document new RTL debugging
        options.  Update.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
        gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
        stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
        tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
        tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
        tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
        tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
        vec.h: Fix comment formatting.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
        et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
        hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
        tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
        tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
        tree-ssa-loop-niter.c, tree-ssa-operands.c,
        tree-ssa-operands.h, tree-ssa-propagate.c,
        tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
        vec.c, vec.h: Fix comment typos.  Follow spelling conventions.

2004-09-05  Diego Novillo  <dnovillo@redhat.com>

        * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
        vectorizer is enabled.

2004-09-05  Andreas Jaeger  <aj@suse.de>

        * tree-if-conv.c: Spell check comments and clean up whitespace.

2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-ivopts.c: New file.
        * Makefile.in (tree-ssa-loop-ivopts.c): Add.
        * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
        target_pres_cost, target_spill_cost): Declare.
        * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
        spill_cost): Renamed to ...
        (target_avail_regs, target_res_regs, target_small_cost,
        target_pres_cost, target_spill_cost): ... and exported.
        (init_set_costs, global_cost_for_size): Work with renamed variables.
        * common.opt (flag_ivopts): New flag.
        * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
        REF_ORIGINAL.
        * gimplify.c (struct gimplify_ctx): Add into_ssa field.
        (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
        generating SSA form.
        (force_gimple_operand): New function.
        * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
        * tree-cfg.c (stmt_bsi): New function.
        * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
        PARAM_IV_MAX_CONSIDERED_USES): New.
        * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
        bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
        ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
        * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
        * tree-nested.c (build_addr): Export.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_iv_optimize.
        * tree-pass.h (pass_iv_optimize): Declare.
        * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
        IMAGPART_EXPR.
        * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
        as a phi node argument.
        (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
        ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
        functions.
        * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
        * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
        pass_iv_optimize): New pass.
        * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
        * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
        * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
        * tree.h (REF_ORIGINAL): New macro.
        (build_int_cst_type, unsigned_type_for, zero_p,
        cst_and_fits_in_hwi, build_addr): Declare.
        * doc/invoke.texi (-fivopts): Document.
        (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
        PARAM_IV_MAX_CONSIDERED_USES): Document.
        * doc/passes.texi: Document induction variable optimizations pass.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
        * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
        * c-common.c (c_common_attribute_table): Accept parameters to
        sentinel attribute.
        (check_function_sentinel, handle_sentinel_attribute): Likewise.
        * doc/extend.texi: Update accordingly.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
        New.
        * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
        attribute.
        * c-common.c (handle_sentinel_attribute, check_function_sentinel):
        New functions.
        (c_common_attribute_table): Add `sentinel' attribute.
        (check_function_arguments): Handle `sentinel' attribute.
        * doc/extend.texi: Document `sentinel' attribute.

2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>

        * configure: Regenerated.

2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.

        * tree.c (save_expr): No longer TREE_READONLY.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * passes.c (rest_of_clean_state):  Fix merge conflict made during
        commiting the patch.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * passes.c (rest_of_clean_state):  Decompose the instruction stream.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * doc/md.texi (shift patterns): New anchor.  Add reference to
        TARGET_SHIFT_TRUNCATION_MASK.
        * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
        * target.h (shift_truncation_mask): New target hook.
        * targhook.h (default_shift_truncation_mask): Declare.
        * targhook.c (default_shift_truncation_mask): Define.
        * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
        (TARGET_INITIALIZER): Include it.
        * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
        and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
        reject all out-of-range values.  Fix sign-extension code for modes
        whose width is smaller than HOST_BITS_PER_WIDE_INT.
        * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
        (expand_superword_shift, expand_subword_shift): Likewise.
        (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
        (expand_binop): Use them to implement double-word shifts.
        * config/arm/arm.c (arm_shift_truncation_mask): New function.
        (TARGET_SHIFT_TRUNCATION_MASK): Define.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
        (mix): New macro copied from hashtab.c
        (iterative_hash_hashval_t, iterative_hash_pointer,
        iterative_hash_host_wide_int): New functions based on hashtab.c
        implementation.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (mask): New mode attribute.
        (zero_extendsidi2): Add memory alternative.
        (*zero_extendsidi2_mem): Delete.
        (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
        memory_operand in the TARGET_MIPS16 check.
        (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
        Redefine using :GPR and :SHORT.
        (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.

2004-09-04  Uros Bizjak  <uros@kss-loka.si>

        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
        using rint_optab.
        (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
        expand_builtin_mathfn.
        * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
        btrunc?f patterns for btrunc_optab. Implement rint_optab using
        rint?f patterns.
        * optabs.c (init_optabs): Initialize rint_optab.
        * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
        Add new OTI_rint.
        (btrunc_optab): Rename macro from trunc_optab.
        (rint_optab): Define corresponding macro.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
        UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.

        * config/i386/i386-protos.h (emit_i387_cw_initialization):
        Change prototype. Add new int parameter.
        * config/i386/i386.c (emit_i387_cw_initialization):
        Handle new rounding modes.

        * config/i386/i386.h (enum fp_cw_mode): Delete.
        (MODE_NEEDED): Handle new rounding modes.
        (EMIT_MODE_SET): Change condition to handle new rounding modes.

        * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
        UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
        represent different rounding modes of frndint insn.
        (type): Add frndint type.
        (i387, length, memory): Handle this type.
        (i387_cw): New attribute definition.
        (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
        *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
        *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
        Add "i387_cw" attribute defined to "trunc".
        (x86_fnstcw_1): Remove comment.
        (*frndintxf2): Rename insn definition to frndintxf2. Move
        insn definition near rint?f2 expanders.
        (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
        rintf and rintl built-ins as inline x87 intrinsics.
        (frndintxf2_floor): New pattern to implement floor rounding
        mode with frndint x87 instruction.
        (floordf2, floorsf2, floorxf2): New expanders to implement floor,
        floorf and floorl built-ins as inline x87 intrinsics.
        (frndintxf2_ceil): New pattern to implement ceil rounding
        mode with frndint x87 instruction.
        (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
        ceilf and ceill built-ins as inline x87 intrinsics.
        (frndintxf2_trunc): New pattern to implement trunc rounding
        mode with frndint x87 instruction.
        (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
        truncf and truncl built-ins as inline x87 intrinsics.
        (frndintxf2_mask_pm): New pattern to implement rounding
        mode with exceptions with frndint x87 instruction.
        (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
        implement nearbyint, nearbyintf and nearbyintl built-ins as
        inline x87 intrinsics.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (SHORT): New mode macro.
        (size): New mode attribute.
        (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
        (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
        *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
        !ISA_HAS_SEB_SEH.
        (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
        *extend[qh]isi2_hw patterns and extending them to di.
        (extendqihi2): Implement as define_insn_and_split that produces
        extendqisi2 after reload.

2004-09-03  Devang Patel  <dpatel@apple.com>

        * Makefile.in (OBJS-common): Add tree-if-conv.o
        (tree-if-conv.o): New rule.
        * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
        (get_loop_body_in_bfs_order): New.
        * cfgloop.h (get_loop_body_in_bfs_order): New.
        * tree-flow.h (enum move_pos): Move here from ..
        * tree-ssa-loop-im.c (enum move_pos): here.
        (movement_possibility): Make externally visible.
        * tree-optimize.c (init_tree_optimization_passes): New entry for
        if conversion pass.
        * tree-pass.h (pass_if_conversion): New.
        * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
        * tree-if-conv.c: New file.
        * doc/passes.texi: Document tree if-conversion pass.
        * doc/tree-ssa.texi: Same.

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/14925:
        Makefile.in (LIB2ADDEHSTATIC): New.
        (LIB2ADDEHSHARED): New.
        (LIBUNWIND): New.
        (LIBUNWINDDEP): New.
        (SHLIBUNWIND_LINK): New.
        (SHLIBUNWIND_INSTALL): New.
        (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
        LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
        (clean): Remove libunwind*
        (stage1-start): Remove and copy stage1/libunwind*.
        (stage2-start): Remove and copy stage2/libunwind*.
        (stage3-start): Remove and copy stage3/libunwind*.
        (stage4-start): Remove and copy stage4/libunwind*.
        (stageprofile-start): Remove and copy stageprofile/libunwind*.
        (stagefeedback-start): Remove and copy stagefeedback/libunwind*.

        * config.gcc (ia64*-*-linux*): Always add t-libunwind to
        tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
        tmake_file if --with-system-libunwind isn't used.

        * config/ia64/t-glibc-libunwind: New file.
        * config/t-libunwind-elf: Likewise.
        * unwind-compat.c: Likewise.
        * unwind-compat.h: Likewise.
        * unwind-dw2-fde-compat.c: Likewise.

        * config/ia64/t-glibc (LIB2ADDEH): Updated.
        * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.

        * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
        aliases if needed.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-dw2.c: Likewise.

        * config/t-libunwind (LIB2ADDEH): Updated.
        (LIB2ADDEHSTATIC): New.
        (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
        (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.

        * configure.ac: Change --enable-libunwind-exceptions to
        --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
        * configure: Regenerated.
        * config.in: Updated.

        * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
        above and mention --with-system-libunwind.
        (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
        removed in gcc 3.4.3 and later.

        * gcc.c (init_spec): Add -lunwind to -lgcc_s if
        USE_LIBUNWIND_EXCEPTIONS is defined.

        * mklibgcc.in: Support libunwind.

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
        m_NOCONA.

2004-09-03  Richard Henderson  <rth@redhat.com>

        PR middle-end/9997
        * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
        (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
        (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
        stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
        frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
        resize_stack_vars_conflict, add_stack_var_conflict,
        stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
        union_stack_vars, partition_stack_vars, dump_stack_var_partition,
        expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
        expand_one_static_var, expand_one_hard_reg_var,
        expand_one_register_var, expand_one_error_var, defer_stack_allocation,
        expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
        (expand_used_vars): Rewrite.
        * Makefile.in (cfgexpand.o): Update dependencies.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * cfg.c (free_edge): Use ggc_free.
        (expunge_block): Use ggc_free.
        * passes.c (rest_of_clean_state): Free after compilation.
        * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
        * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.

2004-09-03  James E Wilson  <wilson@specifixinc.com>

        * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
        DECL_EXTERNAL check.

2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * final.c (output_in_slot): New global variable.
        (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
        Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
        'output_in_slot' before invoking output_asm_insn.
        (output_asm_insn): Add a space after the tab if 'output_in_slot'
        is set.
        * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
        final_scan_insn.
        (output_sibcall): Likewise.

2004-09-03  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
        * tree-ssanames (init_ssanames): Likewise.

2004-09-03  Ziemowit Laski  <zlaski@apple.com>

        * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
        objc_declare_protocols, objc_start_protocol,
        objc_start_class_interface, objc_start_category_interface,
        objc_continue_interface, objc_finish_interface,
        objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
        objc_start_class_implementation, objc_start_category_implementation,
        objc_continue_implementation, objc_finish_implementation,
        objc_add_method_declaration, objc_start_method_definition,
        objc_finish_method_definition, objc_build_keyword_decl,
        objc_build_method_signature, objc_build_encode_expr,
        objc_build_protocol_expr, objc_build_selector_expr,
        objc_build_message_expr, objc_build_string_object,
        objc_get_class_reference, objc_get_protocol_qualified_type,
        objc_static_init_needed_p, objc_generate_static_init_call): New stubs.

2004-09-03  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.

        * config/mips/generic.md (generic_frecip_fsqrt_step): New.
        * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
        (mips_rsqrt2_<fmt>): Use frsqrt2 type.
        (mips_recip1_<fmt>): Use frdiv1 type.
        (mips_recip2_<fmt>): Use frdiv2 type.
        * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
        * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
        and frsqrt1.
        (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.

2004-09-03  Daniel Jacobowitz  <dan@debian.org>

        * reload.c (find_reloads): Swap operand_loc pointers for
        find_dummy_reload if we have swapped two operands.

2004-09-03  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
        to get the tablejump-insn before the jump-table label.

2004-09-03  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
        objc_declare_protocols, objc_build_message_expr,
        objc_finish_message_expr, objc_build_selector_expr,
        objc_build_protocol_expr, objc_build_encode_expr,
        objc_build_string_object, objc_get_protocol_qualified_type,
        objc_get_class_reference, objc_get_class_ivars,
        objc_start_class_interface, objc_start_category_interface,
        objc_start_protocol, objc_continue_interface, objc_finish_interface,
        objc_start_class_implementation, objc_start_category_implementation,
        objc_continue_implementation, objc_finish_implementation,
        objc_set_visibility, objc_set_method_type, objc_build_method_signature,
        objc_add_method_declaration, objc_start_method_definition,
        objc_finish_method_definition, objc_add_instance_variable,
        objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
        objc_finish_try_stmt, objc_begin_catch_clause,
        objc_finish_catch_clause, objc_build_finally_clause,
        objc_build_synchronized, objc_static_init_needed_p,
        objc_generate_static_init_call): New prototypes.

2004-09-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
        is only one reg.
        (ia64_function_value): Ditto.

2004-09-03  Jan Beulich  <jbeulich@novell.com>

        * config.gcc: Resurrect NetWare as a target. Handle special case of
        Novell linker to be used (specified through --with-ld=) and threading
        model of either Posix (default) or NKS.
        * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
        of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
        * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
        * config/i386/netware.c, config/i386/netware.h: New.
        * config/i386/nwld.c, config/i386/nwld.h: New.
        * config/i386/netware-crt0.c: New.
        * config/i386/netware-libgcc.c: New.
        * config/i386/netware-libgcc.def: New.
        * config/i386/netware-libgcc.exp: New.
        * config/i386/t-netware, config/i386/t-nwld: New.
        * gthr-nks.h: New.
        * doc/install.texi: Document NKS threading model.

2004-09-03  Jan Beulich  <jbeulich@novell.com>

        PR c/7054
        * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
        * tree.h (initial_max_fld_align): Declare
        * stor-layout.c (initial_max_fld_align): Define and initialize.
        (maximum_field_alignment): Initialize to the same value.
        * common.opt: Add -fpack-struct= variant of switch.
        * opts.c: Handle -fpack-struct= variant of switch.
        * c-pragma.c: Change #pragma pack() handling so that it becomes
        compatible to other compilers: accept individual 'push' argument,
        make final pop restore (command line) default, correct interaction
        of push/pop and sole specification of a new alignment (so that the
        sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
        to #pragma pack(push, <n>).
        * doc/extend.texi: New node "Structure-Packing Pragmas" under
        "Pragmas", describing #pragma pack.
        * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
        * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
        Document new TARGET_DEFAULT_PACK_STRUCT.

2004-09-03  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (gen_field_die). Equate decl number to die.

2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/15832
        * global.c (modify_reg_pav): New function.
        (make_accurate_live_analysis): Call the new function.  Move pavin
        modification by earlyclobber set into the new function.

2004-09-03  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (output_andsi3): Use -1 instead of
        (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
        extended.

2004-09-02  Jan Beulich  <jbeulich@novell.com>

        * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
        * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
        not unwind code specific ones.
        (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
        Remove unwind code specific dependencies.
        (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
        Remove gbl-ctors.h.
        Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
        LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
        * tsystem.h: Declare memcpy and memset when inhibit_libc.

2004-09-02  Roman Zippel  <zippel@linux-m68k.org>

        * combine.c (try_combine): Delay modifying of insns which cannot
        be easily undone.

2004-09-02  Daniel Berlin  <dberlin@dberlin.org>

        * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
        tree-loop-im.
        * gcc/tree-ssa-loop.c: Ditto
        * gcc/tree-ssa-loop-ivcanon.c: Ditto
        * gcc/doc/invoke.texi: Ditto.

2004-09-02  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (store_parm_decls_newstyle): Make static.
        (store_parm_decls_from): New function.
        * c-tree.h (store_parm_decls_newstyle): Remove prototype.
        (store_parm_decls_from): New prototype.

2004-09-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (expand_block_move): Use SImode and
        HImode with STRICT_ALIGNMENT.

2004-09-02  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
        (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
        TARGET_BPABI_CPP_BUILTINS.

2004-09-02  Roman Zippel  <zippel@linux-m68k.org>

        * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.

2004-09-02  Eric Christopher  <echristo@redhat.com>

        * builtins.c (expand_builtin_cabs): Delete.
        (expand_builtin): If unable to fold the values do a normal
        library call for builtin_cab*.
        (fold_builtin_cabs): Depend on optimize and optimize_size.
        * optabs.c (expand_cmplxdiv_straight): Delete.
        (expand_cmplxdiv_wide): Ditto.
        (expand_vector_binop): Ditto.
        (expand_vector_unop): Ditto.
        (expand_complex_abs): Delete.
        (expand_binop): Remove calls to above functions.
        Remove open coding of complex arithmetic.
        (expand_unop): Ditto.
        * optabs.h: Remove prototypes.

2004-09-02  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (store_parm_decls_newstyle): Make externally visible.
        * c-tree.h (store_parm_decls_newstyle): New prototype.

2004-09-02  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (expand_block_clear): Use vector
        instructions if available.
        (expand_block_move): Likewise.

2004-09-03  Jan Hubicka  <jh@suse.cz>

        * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.

2004-09-02  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/symbian.h (LIB_SPEC): Define to empty.
        * config/arm/t-symbian (SHLIB_LC): Likewise.

2004-09-02  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
        (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
        (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
        (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
        (mips_issue_rate): Remove unreachable abort.
        (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
        (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
        (mips_block_move_straight, print_operand_address, mips_file_start)
        (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
        (mips_output_conditional_branch, mips_expand_builtin_direct)
        (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
        * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
        with gcc_assert.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*lea_high64): Change split condition to
        flow2_completed.  Add a peephole2 to generate a more parallel version.

2004-09-02  Jan Hubicka  <jh@suse.cz>

        * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
        GGC.

        * ggc-page.c: include tree-flow.h.
        (extra_order_size_table): Add stmt_ann_d.
        (STAT_LABEL): Rename from ....
        (LABEL): ... this one.
        * Makefile.in (ggc-page.o): Add dependency.

        * ggc-common.c (ggc_force_collect): New global variable.
        (loc_description): Add fields "freed", "collected"
        (ptr_hash): New static hash
        (ptr_hash_entry): New structure.
        (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
        (ggc_record_overhead): Take ptr argument, record it
        (ggc_prune_overhead_list, ggc_free_overhead): New functions.
        (cmp_statistics): Imrove sorting.
        (dump_ggc_loc_statistics): Output newly collected statistics
        * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
        (ggc_free): Call ggc_free_overhead.
        (ggc_collect): Force collection when asked to be forced.
        (ggc_collect): Call ggc_prune_overhead_list.
        * ggc.h (ggc_force_collect): Declare
        (ggc_record_overhead): Update prototype.
        (ggc_free_overhead, ggc_prune_overhead_list): Declare.

2004-09-02  James E Wilson  <wilson@specifixinc.com>

        * common.opt (ftrapping-math): Default to on.

2004-09-02  Richard Earnshaw  <rearnsha@arm.com>

        * arm/predicates.md (arm_reload_memory_operand): Allow MEM.

2004-09-02  Denis Chertykov  <denisc@overta.ru>

        PR target/16884
        * config/avr/avr.md ("movmemhi"): Substitute match_dup to
        match_scratch.
        (*movmemqi_insn): Likewise.
        (*movmemhi): Likewise.
        (clrmemhi): Likewise.
        (*clrmemqi): Likewise.
        (*clrmemhi): Likewise.

2004-09-02  Paul Brook  <paul@codesourcery.com>

        * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
        default_use_cxa_atexit=yes.

2004-09-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
        (struct kernel_old_ucontext): Delete.
        (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
        (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
        when IN_LIGGCC2.

2004-09-02  Richard Sandiford  <rsandifo@redhat.com>

        * toplev.c (process_options): Fix typo.

2004-09-01  Richard Henderson  <rth@redhat.com>

        PR middle-end/17258
        * calls.c (initialize_argument_information): Tighten pass-through
        conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
        Use build_fold_addr_expr.
        (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
        that assumes ADDR_EXPR allocates stack space.
        * fold-const.c (build_fold_addr_expr_with_type): Look through
        WITH_SIZE_EXPR.

2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>

        * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
        * ggc.h (ggc_alloc_rtx): Delete.

2004-09-01  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (enum alg_code): Remove long unused enumeration values.
        (struct mult_cost): New structure to hold the "score" of a synthetic
        multiply sequence, including both a rtx_cost and a latency field.
        (MULT_COST_LESS): New macro to compare mult_cost to a constant.
        (CHEAPER_MULT_COST): New macro to compare two mult_costs.
        (struct algorithm): Change type of cost field to be mult_cost.
        (synth_mult): Change type of cost_limit argument to be a
        pointer to a mult_cost.  Update all cost comparisons to use the
        new mult_cost infrastructure.  For alg_add_factor and
        alg_sub_factor operations, latency is lower than the rtx_cost.
        (choose_mult_variant):  Update calls to synth_mult.  Perform
        cost comparisons using the new mult_cost infrastructure.
        (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
        to optain the total rtx_cost of a synth_mult "algorithm".

2004-09-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Increase store latency to 12.
        * config/rs6000/power5.md: Same.

2004-09-01  James E Wilson  <wilson@specifixinc.com>

        PR target/14064
        * config/avr/avr.c (avr_unique_section): Delete prototype and
        definition.
        (TARGET_ASM_UNIQUE_SECTION): Delete.

2004-09-01  Ziemowit Laski  <zlaski@apple.com>

        * c-parse.in (primary): Call objc_build_message_expr(),
        objc_build_selector_expr(), objc_build_protocol_expr(),
        objc_build_encode_expr() and objc_build_string_object() instead of
        build_message_expr(), build_selector_expr(), build_protocol_expr(),
        build_encode_expr() and build_objc_string_object(), respectively.
        (component_decl_list2): Call objc_get_class_ivars() instead of
        get_class_ivars_from_name().
        (keyworddecl): Call objc_build_keyword_decl() instead of
        build_keyword_decl().
        (receiver): Call objc_get_class_reference() instead of
        get_class_reference().
        (reswords): Add blank line before @@ifobjc section, for clarity.

2002-09-01  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
        to Altivec vetors.

2004-09-01  Wu Yongwei  <adah@sh163.net>
            Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
        not Windows 'DWORD'.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
        (__gthr_win32_recursive_mutex_init_function): Add prototype for
        __GTHREAD_HIDE_WIN32API case..
        (__gthr_win32_recursive_mutex_lock): Likewise.
        (__gthr_win32_recursive_mutex_trylock): Likewise.
        (__gthr_win32_recursive_mutex_unlock): Likewise.
        (__gthread_recursive_mutex_init_function); Add definition for
        __GTHREAD_HIDE_WIN32API case.
        (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
        * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
        call to InterlockedDecrement.

2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-tailcall.c (find_tail_calls): Also fail is statement has
        volatile operands.

        * tree-ssa.c (propagate_into_addr): Properly test for LHR.

        * doc/c-tree.texi: Document new operands for ARRAY_REF and
        COMPONENT_REF.

2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
        * common.opt (fspeculative-prefetching): New.
        * flags.h (flag_speculative_prefetching_set): Declare.
        * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
        values.
        * opts.c (flag_sepculative_prefetching_set): New variable.
        (common_handle_option): Handle -fspeculative-prefetching.
        * passes.c (rest_of_compilation): Ditto.
        * profile.c (instrument_values, compute_value_histograms, branch_prob):
        Use vectors instead of arrays.
        * toplev.c (process_options): Handle -fspeculative-prefetching.
        * rtl-profile.c: Include ggc.h.
        (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
        rtl_gen_one_value_profiler_no_edge_manipulation,
        rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
        argument changed.
        * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
        argument changed.
        * value-prof.c: Include ggc.h.
        (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
        macros.
        (insn_prefetch_values_to_profile, find_mem_reference_1,
        find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
        speculative_prefetching_transform): New.
        (value_profile_transformations): Call speculative_prefetching_transform.
        (insn_values_to_profile): Call insn_prefetch_values_to_profile.
        (insn_divmod_values_to_profile, rtl_find_values_to_profile,
        tree_find_values_to_profile, find_values to profile): Use vectors
        instead of arrays.
        (free_profiled_values): Removed.
        * value-prof.h (struct histogram_value): Renamed to
        struct histogram_value_t.
        (histogram_value, histogram_values): New types.
        (find_values_to_profile): Declaration changed.
        (free_profiled_values): Removed.
        (struct profile_hooks): Type of argument of the hooks changed to
        histogram_value.
        * doc/invoke.texi (-fspeculative-prefetching): Document.

2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/16408
        * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.

2004-09-01  Richard Henderson  <rth@redhat.com>

        * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
        (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

        * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.

2004-09-01  Mike Stump  <mrs@apple.com>

        * config/darwin.c (machopic_symbol_defined_p): In addition to
        being SYMBOL_REF_LOCAL_P, a symbol must also be
        ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
        defined in this output file, or translation unit in the case
        of IMA not being used.
        (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
        never need .indirect_symbol when indirecting.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (bb-reorder.o): Add several dependencies.

2004-09-01  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (operand_equal_p): Require equal sign also for
        FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
        for use in configargs.h.  Put the cname in a separate variable.  Use
        that to set target_cpu_default2.

2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
            Nick Clifton  <nickc@redhat.com>

        * config/sh/sh.md ("length"): Increase branch length when
        SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
        constant, 2 byte for aligning the constant.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
        CPU.
        (arm7tdmi-s): New CPU name.
        * arm/arm.c (ARM_CORE): Update for new format.
        * arm/arm.h (ARM_CORE): Likewise.
        * arm/gentune.sh: Update for extra field.
        * config.gcc: Likewise.
        * arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Document the real processor names for ARM cpus.

2004-09-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
        (floatdidf): New functions.
        * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
        (floatdisf): New functions.
        * t-arm-elf: Use them.

2004-09-01  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h (lookup_interface): Remove prototype.
        (is_class_name): Rename to objc_is_class_name.
        (lookup_objc_ivar): Rename to objc_lookup_ivar.
        (get_current_scope): Rename to objc_get_current_scope.
        * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
        * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
        (yylexname): Call objc_is_class_name() instead of is_class_name().
        * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
        instead of lookup_objc_ivar().
        * stub-objc.c (lookup_interface): Remove stub.
        (is_class_name): Rename to objc_is_class_name.
        (lookup_objc_ivar): Rename to objc_lookup_ivar.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
        * config/arm/lib1funcs.asm: Do not include supplemental .S files
        when compiling for Symbian.
        * config/arm/symbian.h (RENAME_LIBRARY): New macro.
        (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/arm/t-symbian (LIB1ASMFUNCS): Define.

2004-08-31  Stan Shebs  <shebs@apple.com>

        * toplev.c (process_options): Ensure debug_hooks is initialized.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

        * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
        * target.h (cxx): Add export_class_data.
        * config/arm/arm.c (arm_cxx_export_class_data): New function.
        (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
        * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.

2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (output_branch): Check the insn length possibly
        in the delayed slot.

2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
        blank after ')'.
        (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.

        * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
        (c_sizeof_of_alignof_type): Likewise.
        * expr.c (array_ref_element_size): Likewise.
        (highest_pow2_factor_for_target): Likewise.
        * gimplify.c (canonicalize_addr_expr): Likewise.
        (gimplify_compound_lval): Likewise.
        * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
        * varasm.c (assemble_variable): Likewise.
        (output_constant_def_contents): Alignments are unsigned.

2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            Jeff Law  <law@redhat.com>

        * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
        gets modified.

2004-08-31  Mark Mitchell  <mark@codesourcery.com>

        * hooks.c (hook_bool_void_true): New function.
        * hooks.h (hook_bool_void_true): Declare.
        * target-def.h (TARGET_CXX): Add
        TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
        * target.h (struct cxx): Add key_method_may_be_inline.
        * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
        function.
        (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
        * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
        __THUMB_INTERWORK.

2004-08-31  Denis Chertykov  <denisc@overta.ru>

        PR target/15417
        * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
        frame pointer register only in Pmode while reload in progress.

2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/15334
        * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
        because it breaks the 32-bit shift patterns that rely on a match_dup.

2004-08-31  Matt Austern  <austern@apple.com>

        * config/darwin.c (darwin_make_decl_one_only): Allocate section
        names once per compilation, instead of once per symbol.

2004-08-31  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (build_subdir): New substitution.
        (fixinc.sh): Simplify heavily since fixincludes is already built.
        (stmp-fixinc): Depend on specs.ready.
        (install-mkheaders): Use new location of fixincludes.
        (clean): Do not descend into fixinc.
        (FORBUILD): Replace with ../$(build_subdir).
        * configure.ac (build_subdir): Substitute.
        (FORBUILD): Do not set.
        (all_outputs): Remove fixinc/Makefile.
        (default commands): Do not create links in fixinc.
        * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
        the fixincludes configuration steps and substituting
        @FIXINCL@ in fixinc.in.
        * fixinc.in: New, from fixinc/fixincl.sh.

        * fixinc/*: Removed.

2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>

        * attribs.c (strip_attrs): Remove.
        (split_specs_attrs): Move ...
        * c-decl.c: ... to here.
        * tree.h (split_specs_attrs, strip_attrs): Remove.
        * c-tree.h (split_specs_attrs): Declare.

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c: Disable RTL checking.
        (apply_macro_to_rtx): Use XTMPL to access 'T' fields.

2004-08-31  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (fcond): New code macro and attribute.
        (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
        (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
        (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.

2004-08-30  Mark Mitchell  <mark@codesourcery.com>

        Revert:
        2004-08-29  Mark Mitchell  <mark@codesourcery.com>
        PR rtl-optimization/16590
        * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-30  Andrew Pinski  <apinski@apple.com>

        * hard-reg-set.h:
        s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
        * ChangeLog: Fix previous ChangeLog entry.

        PR rtl-opt/13987
        * config.host (use_long_long_for_widest_fast_int): New, default is
        off.
        (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
        * configure.ac: If use_long_long_for_widest_fast_int, then
        define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
        * configure: Regenerate.
        * config.in: Regenerate.
        * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
        New: widest integer type supported efficiently in hardware for the
        host.
        * sbitmap.h (SBITMAP_ELT_BITS): Define based on
        HOST_BITS_PER_WIDEST_FAST_INT.
        (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
        * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
        HOST_WIDEST_FAST_INT
        instead of HOST_WIDE_INT.
        (HARD_REG_SET_LONGS): Likewise.
        (UHOST_BITS_PER_WIDE_INT): Likewise.
        Change the checks for the fast cases to be based on
        HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.

2004-08-30  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
        not the pointers.

2004-08-30  Geoffrey Keating  <geoffk@apple.com>

        PR 12738
        PR 17205
        Radar 3460526
        Radar 3775729
        * c-decl.c (grokdeclarator): Produce error for 'static' on local
        function declaration.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * expr.c (array_ref_element_size): Force aligned_size back to
        sizetype.
        (component_ref_field_offset): Similarly for aligned_offset.
        * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
        low-bound, element-size, field-offset fields rather than
        computed values.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
        redundant code.

2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct language_function): Add arg_info element.
        * c-decl.c (current_function_arg_info): New.
        (grokdeclarator, store_parm_decls): Use it instead of
        DECL_ARGUMENTS.
        (c_push_function_context, c_pop_function_context): Save and
        restore it.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
        COMPONENT_REF to pointer arithmetic.
        * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
        constant "c" as a valid constant initializer.  Allow narrowing of
        differences against the same base object, for any base object.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_addr_expr): New.
        (expand_expr_real_1) <case ADDR_EXPR>: Use it.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
        (mips_fp_condition): New enum.
        (mips_fp_conditions): New array.
        (print_fcc_operand): Delete.
        (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
        the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
        (builtin_description): Add "cond" field.
        (DIRECT_BUILTIN): Initialize it.
        (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
        into INSN and CODE.  Initialize the "cond" field.
        (CMP_BUILTINS): Update accordingly.
        (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
        (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
        mips_fp_condition as argument.  Make it the final operand of the
        comparison instruction.
        (mips_expand_builtin): Update accordingly.
        * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
        (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
        the gaps.
        * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
        Don't use the 'Q' operand prefix; just print the operand normally.
        (mips_cabs_*, mips_c_*): Delete, replacing with...
        (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
        patterns.  Split the 4s versions into 2 ps patterns after reload.

2004-08-30  Richard Henderson  <rth@redhat.com>

        * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
        assuming an ADDR_EXPR is non-null.

2004-08-30  Jason Merrill  <jason@redhat.com>

        * gthr-posix.h, gthr-dce.h: Add #pragma weaks.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

        * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
        record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
        gcc_assert and gcc_unreachable instead of abort.
        * alloc-pool.c (abort, fancy_abort): Remove.
        (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
        gcc_assert or gcc_unreachable.
        * attribs.c (init_attributes, decl_attributes): Likewise.
        * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
        mark_bb_for_unlikely_executed_section,
        add_labels_and_missing_jumps, fix_crossing_conditional_branches,
        fix_crossing_unconditional_branches):  Likewise.
        * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
        bitmap_operation):  Likewise.
        * bt-load.c (insn_sets_btr_p, augment_live_range,
        move_btr_def):  Likewise.
        * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
        apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
        expand_builtin_mathfn_2, expand_builtin_mathfn_3,
        builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
        expand_builtin_memcmp, expand_builtin_args_info,
        std_gimplify_va_arg_expr, expand_builtin_unop,
        expand_builtin_fputs, expand_builtin_profile_func,
        expand_builtin_fork_or_exec, fold_builtin_bitop,
        fold_builtin_classify, fold_builtin_fputs): Likewise.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
        * gcov.c (abort): Remove undef.

        * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
        (struct tree_binfo): Remove primary field.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

        * fixinc/Makefile.in (machname.h): Remove.
        (fixincl.x): Do not pass $@ to genfixes.
        * fixinc/genfixes: Remove code to produce machname.h.
        * fixinc/fixincl.sh: Move it here instead.
        * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
        instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
        return a bool indicating whether pz_mn_name_pat is NULL.
        * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
        Declare extern C variables for the ENV_TABLE.
        * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
        instead use the result of mn_get_regexps.
        * fixinc/fixtests.c: Likewise.

2004-08-30  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Do not run fixincludes after stage1 during
        toplevel bootstrap.
        * configure: Regenerate.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Partially revert previous, by never
        trying to extract the condition from a condjump.

2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
        (handle_visibility_attribute, c_determine_visibility): Likewise.
        * c-common.h (my_friendly_assert): Remove.

2004-08-30  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
        (UNSPEC_{RSQRT,RECIP}[12]): New constants.
        (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
        * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
        (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.

2004-08-30  Diego Novillo  <dnovillo@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
        in COMPONENT_REF nodes.

2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        PR c++/15378
        * c-opts.c (c_common_handle_option): <case OPT_Werror> set
        global_dc->warning_as_error_requested.
        * diagnostic.c (diagnostic_initialize): Tidy.
        * diagnostic.h (diagnostic_context::x_data): Remove
        (diagnostic_context::issue_warnings_are_errors_message): Rename
        from warnings_are_errors_message.
        (diagnostic_context::warning_as_error_requested): New.

2004-08-30  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Fix breakage in previous patch.

2004-08-30  Paul Brook  <paul@codesourcery.com>

        * doc/install.texi: Fix broken mpfr link.

2004-08-29  David O'Brien  <obrien@FreeBSD.org>

        * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
        other FreeBSD platforms.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (REVERSE_CONDITION): Define.
        (REVERSIBLE_CC_MODE): All comparisons are now reversible.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
        just the codes, call reversed_comparison_code ().
        (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
        (not_reg_cond): Use reversed_comparison_code.
        (and_reg_cond): Likewise.
        * ifcvt.c (cond_exec_process_if_block): Likewise.
        * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.

2004-08-29  Richard Earnshaw  <rearnsha@arm.com>

        * sched-deps.c (get_condition): Rewrite using jump support functions.
        Use reversed_comparison_code.
        (conditions_mutex_p): Use reversed_comparison_code.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (override_options): Disable hot/cold partitioning
        for MIPS16.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
        (mips_function_type): Move to mips.c.
        * config/mips/mips.c (mips_builtin_type): New enum.
        (builtin_description): Replace code and ftype with builtin_type
        and function_type.
        (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
        (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
        (CODE_FOR_mips_abs_ps): Define.
        (mips_bdesc): Use new macros.
        (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
        (mips_init_builtins): Use the mips_bdesc[] index as the function code.
        (mips_expand_builtin_direct): New function.
        (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
        builtin.  Replace boolean parameter with builtin_type.
        (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
        (mips_expand_4s_compare_builtin): Delete, replacing with...
        (mips_expand_builtin_compare): ...this new function.

2004-08-29  Mark Mitchell  <mark@codesourcery.com>

        PR rtl-optimization/16590
        * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
        * tree-ssa-propagate.c: Fix documentation.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
        (mov[sd]fcc): Likewise.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (divide_condition): New mode attribute.
        (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
        (sqrt[sd]f3): Redefine using SCALARF.
        (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
        patterns.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (ANYF, SCALARF): New mode macros.
        (loadx, storex, fmt, UNITMODE): New mode attributes.
        (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
        (mul[sd]f3): Redefine using :SCALARF.
        (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
        (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
        (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
        Check TARGET_FUSED_MADD for V2SF too.
        (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
        were already named.
        (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
        (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
        V2SF_type_node if it will be needed.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
        * config/mips/mips.c (mips_prepare_builtin_arg): New function.
        (mips_prepare_builtin_target): New function.
        (mips_expand_builtin): Use them.  Update calls to subroutines.
        (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
        cmp_choice with a boolean argument to select between movt and movf.
        Take the comparison's icode as an argument, not the function's fcode.
        (mips_expand_compare_builtin): New function.  Rename existing function
        to mips_expand_scalar_compare_builtin.
        (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
        (mips_expand_ps_compare_builtin): Use the new functions.  Take the
        comparison's icode as an argument, not the builtin's fcode.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
        (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
        registers are false and -1 if all registers are true.
        (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
        MIPS_CMP_UPPER and MIPS_CMP_LOWER.
        * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
        (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
        (bc1any2t, bc1any2f): Likewise CCV2.
        (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.

2004-08-29  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
        * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
        UNSPEC rather than an IF_THEN_ELSE.
        * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
        mips_cond_move_tf_ps by name.

2004-08-29  Chao-ying Fu  <fu@mips.com>
            James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
        8 byte size and alignment.  Give CCV4 16 byte size and alignment.
        * config/mips/mips-ps-3d.md: New file.
        * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
        TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
        (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
        (mips_output_move): Emit "mov.ps" for V2SFmode.
        (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
        MODE_VECTOR_FLOAT.
        (override_options): Check if TARGET_MIPS3D and there was an explicit
        !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
        Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
        TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
        TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
        and allow CCV2 and CCV4 to occupy two and four CC registers.
        (print_fcc_operand): New function.
        (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
        %Z to call print_fcc_operand.
        (mips_function_value): Handle MODE_VECTOR_FLOAT.
        (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
        (mips_vector_mode_supported_p): New function.
        (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
        (builtin_description): New struct.
        (mips_bdesc): New array of struct builtin_description.
        (mips_expand_builtin, mips_init_builtins,
        mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
        mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
        functions.
        * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
        (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
        (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
        (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
        "-mips3d", and "-mno-mips3d".
        (ASM_SPEC): Map -mips3d to -mips3d in gas.
        (EXTRA_CONSTRAINT_Y): New macro.
        (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
        multi-letter constraint 'Y'.
        (CONSTRAINT_LEN): New macro.
        (enum mips_builtins): New for MIPS builtin functions.
        (enum mips_function_type): New for the types of MIPS builtin functions.
        (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
        * config/mips/mips.md: New constants for paired single and MIPS-3D
        instructions.  Include the new mips-ps-3d.md file.
        (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
        movv2sf_hardfloat_64bit): New named patterns.
        (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
        nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
        sdxc1_v2sf_di): New unnamed patterns.
        * config/mips/predicates.md (const_0_operand, const_1_operand): Add
        const_vector support.
        (const_0_or_1_operand): New predicate.
        * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.

2004-08-29  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
        (tree-ssa-propagate.o): New rule.
        (GTFILES): Add tree-ssa-propagate.c.
        * tree-flow.h (struct stmt_ann_d): Remove field
        in_ccp_worklist.
        * tree-ssa-propagate.c: New file.
        * tree-ssa-propagate.h: New file.
        * tree-ssa-ccp.c: Re-write to use the routines from
        tree-ssa-propagate.c.

2004-08-28  Andrew Pinski  <apinski@apple.com>

        * tree-ssa-loop.c: Remove extra include of basic-block.h.

2004-08-28  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h: Update comments about ObjC/ObjC++ entry points.
        (objc_is_reserved_word): New prototype.
        (get_current_scope, objc_mark_locals_volatile): Move prototypes to
        separate section; these are call-backs.
        * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
        ObjC/ObjC++ "@" keywords.
        * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
        prototypes; they already live in c-common.h.
        * stub-objc.c: Update copyright notice.
        (objc_is_reserved_word): New stub.

2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>

        * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
        even when not checking.

2004-08-27  Jason Merrill  <jason@redhat.com>

        PR c++/13684
        * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
        (gimple_push_cleanup): Add eh_only parm.
        (gimplify_target_expr): Pass it.
        * c.opt (-fno-threadsafe-statics): New option.
        * c-opts.c (c_common_handle_option): Handle it.
        * c-common.h (flag_threadsafe_statics): Declare it.
        * c-common.c (flag_threadsafe_statics): Record it.
        * doc/invoke.texi: Document it.
        * tsystem.h (_GNU_SOURCE): Define.
        * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
        (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
        (__gthread_recursive_mutex_init_function): New fn.
        (__gthread_recursive_mutex_lock): New fn.
        (__gthread_recursive_mutex_trylock): New fn.
        (__gthread_recursive_mutex_unlock): New fn.
        * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
        * gthr-win32.h, gthr-vxworks.h: Likewise.
        * gthr.h: Document.

2004-08-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Increase
        maximum skip to 15.  Set function alignment, jump alignment, and
        loop alignment to 16 for processors that form dispatch groups.
        (rs6000_rtx_costs): outer_code is used.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

        * stor-layout.c (sizetype_set): Remove.
        (set_sizetype): Don't test or set it.

        * tree.h (size_int_type): Remove.
        * fold-const.c: Do not #include gt-fold-const.h.
        (size_htab_hash, size_htab_eq): Remove.
        (size_int_kind): Use build_int_cst.
        (new_const, size_htab): Remove.
        (size_int_type): Remove.
        (round_up): Use build_int_cst.
        (round_down): Likewise. Remove spurious constant build.

2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac: Add ENABLE_ASSERT_CHECKING control.
        Add is_release variable, use it for --enable-werror and
        --enable-checking defaults.
        * system.h (gcc_assert, gcc_unreachable): New.
        * doc/install.texi (--enable-checking): Update.
        * configure, config.in: Rebuilt.

2004-08-26  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (read_rtx): Change prototype.
        * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
        line number.  Return true on success.
        * gensupport.c (process_include, init_md_reader_args_cb): Adjust
        callers accordingly.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * c-typeck.c (build_offsetof): Remove.
        * c-tree.h (build_offsetof): Remove.
        * c-common.c (fold_offsetof_1, fold_offsetof): New.
        * c-common.h (fold_offsetof): Declare.
        * c-parse.in (offsetof_base): New.
        (offsetof_member_designator): Use it.  Build references, not just
        a tree list.
        (primary): Use fold_offsetof, not build_offsetof.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * tree.c (staticp): Return the static object.
        * tree.h (staticp): Update decl.
        * langhooks.h (struct lang_hooks): Change staticp return type to tree.
        * langhooks.c (lhd_staticp): Return NULL_TREE.
        * langhooks-def.h (lhd_staticp): Update decl.
        * c-common.c (c_staticp): Return the static object.
        * c-common.h (c_staticp): Update decl.

2004-08-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
        modes.

2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/13801
        * c-decl.c (struct c_binding): Add type and inner_comp fields.
        (bind): Set type and inner_comp fields.
        (pop_scope): Restore type of decl to the correct type from an
        outer scope.  Give error when popping file scope for incomplete
        arrays completed incompatibly with default initialization in an
        inner scope.
        (diagnose_mismatched_decls): Handle externs with initializers at
        block scope.
        (pushdecl): Set type of external declaration at block scope based
        only on the visible declarations.  Save type when changing the
        type of a declaration.  Merge an external declaration at block
        scope with a visible static declaration at file scope.
        (implicitly_declare): Give recycled old declaration the new type
        except for incompatible declarations of built-in functions, saving
        the old type.

2004-08-26  Ziemowit Laski  <zlaski@apple.com>

        * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.

2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

        * tree-alias-common.c (gate_pta): New function.
        (pass_build_pta): Use it.
        (pass_del_pta): Use it.
        (delete_alias_vars): Don't check flag_tree_points_to.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
        TFmode as additional register mode cloberred by call.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
        parallel pattern for library call returning DImode in
        mixed mode.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (function_arg): Generate parallel
        pattern for more split args.

2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
        either gen_movdi_di_update or gen_movdi_si_update depending on
        target mode.
        * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
        to generate two versions.

2004-08-26  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (lambda-code.o): New.
        (lambda-trans.o): Ditto.
        (TREE_DATA_REF_H): Ditto.
        (LAMBDA_H): Ditto.
        (lambda-mat.o): Use LAMBDA_H.
        (tree-data-ref.o): Ditto.
        * lambda-code.c: New file.  Lambda code generation algorithm.
        * lambda-trans.c: Ditto. Lambda transformation matrix support.
        * lambda.h: Add lambda loop structures.
        Add lambda loopnest structures.
        Add lambda body vector structure.
        Add lambda linear expression structures.
        Add prototypes for functions in new files.
        * lambda-mat.c: Include tree.h

2004-08-26  Daniel Berlin <dberlin@dberlin.org>
            Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.h: Include lambda.h
        (free_dependence_relation): Declared here.
        (free_dependence_relations): Ditto.
        (free_data_refs): Ditto.
        * tree-data-ref.c (free_dependence_relation): New function.
        (free_dependence_relations): Ditto.
        (free_data_refs): Ditot.
        (analyze_all_data_dependences): Free datarefs and dependence_relations.
        (build_classic_dist_vector): Store in the dependence_relations the
        information. Each arc in the dependence_relations graph is labelled
        with the distance and direction vectors.
        (build_classic_dir_vector): Ditto.
        (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
        Now computes again the whole dependence graph including read-read
        relations.
        (compute_data_dependences_for_loop): Now dependence_relations contains
        all the data, and thus it doesn't need to initialize the classic_dir
        and classic_dist vectors.
        (analyze_all_data_dependences): Adjusted for using the new interface of
        compute_data_dependences_for_loop.  Remove the statistics dump.

2004-08-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
        (xtensa_expand_block_move): Update comment.
        (override_options): Remove initialization of xtensa_{ld,st}_opcodes.

2004-08026  Richard Earnshaw  <rearnsha@arm.com>

        PR target/13506
        * toplev.c (crash_signal): If we crashed while emitting
        a user asm, then die more gracefully.

2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/17119.
        * config/m32r.c (gen_compare): Use reg_or_int16_operand when
        checking for a valid constant, regardless of sign.

2004-08-25  Richard Henderson  <rth@redhat.com>

        PR target/16974
        * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
        if the constant satisfies add_operand.

2004-08-25  Richard Henderson  <rth@redhat.com>

        PR debug/10695
        * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
        (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
        unwind info for >16-bit frames.

2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>

        PR target/17171
        * config/i386/gas.h (ASM_COMMENT_START): Define to "#".

2004-08-25  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): New.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Document new operand iterator.

2004-08-26  Alan Modra  <amodra@bigpond.net.au>

        PR target/16480
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
        on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
        as PLUS base regs.

2005-08-28  Paul Brook  <paul@codesourcery.com>

        * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
        -mfpu=vfp -march=armv5t
        * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.

2004-08-25  Richard Henderson  <rth@redhat.com>

        * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
        * target.h (struct gcc_target): Add scalar_mode_supported_p.
        * targhooks.c (default_scalar_mode_supported_p): New.
        * targhooks.h (default_scalar_mode_supported_p): Declare.
        * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.

        * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
        before attempting to create types.  Tidy.
        * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.

        * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-08-25  Richard Henderson  <rth@redhat.com>

        * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
        set REAL_MODE_FORMAT for TFmode.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (grokparm): New function.
        * c-tree.h (grokparm): New prototype.

2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
        iterator controlling structure.
        (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
        SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
        SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
        iterator flags.
        (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
        (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
        (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
        (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
        * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
        Empty operand pointers.
        * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
        (op_iter_next_use): New.  Return next use_operand_p.
        (op_iter_next_def): New.  Return next def_operand_p.
        (op_iter_next_tree): New.  Return next operands as a tree.
        (op_iter_init): New.  Initialize an iterator structure.
        (op_iter_init_use): New.  Initialize structure and get the first use.
        (op_iter_init_def): New.  Initialize structure and get the first def.
        (op_iter_init_tree): New.  Initialize structure and get the first tree.
        (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
        (op_iter_init_maydef): New.  Initialize structure and get the first
        V_MAY_DEF operands.
        * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
        * tree-dfa.c (compute_immediate_uses_for_stmt,
        redirect_immediate_uses): Use new operand iterator.
        (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
        (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
        operands instead of using *_disappeared_p routines.
        * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
        ssa_rewrite_stmt): Use new operand iterator.
        * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
        rewrite_trees): Use new operand iterator.
        * tree-pretty-print.c (dump_vops): Use new operand iterator.
        * tree-sra.c (mark_all_v_defs): Use new operand iterator.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape,
        dump_points_to_info): Use new operand iterator.
        * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
        replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
        operand iterator.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
        propagate_necessity): Use new operand iterator.
        * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
        (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
        a parameter instead of a stmt_ann_t.
        * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
        build_tree_conflict_graph): Use new operand iterator.
        * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
        rewrite_mem_refs): Use new operand iterator.
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
        check_loop_closed_ssa_use): Use new operand iterator.
        * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
        * tree-ssanames.c (release_defs): Use new operand iterator.
        * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.

2004-08-25  Adam Nemet  <anemet@lnxw.com>

        * tlink.c (initial_cwd): New variable.
        (tlink_init): Initialize it.
        (recompile_files): Use tlink_execute() instead of system().  Don't
        duplicate verbose output of collect_execute.  Restore initial_cwd.
        Update comment before the function.

2004-08-25  Ziemowit Laski  <zlaski@apple.com>

        * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
        accept) a cast from one Objective-C pointer type to another.

2004-08-25  Paolo Carlini  <pcarlini@suse.de>

        * doc/install.texi: Document that libstdc++-v3 requires
        now automake 1.9.1.

2004-08-25  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
        to comments at start of function.
        * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
        comment.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps, merge_blocks_move,
        try_crossjump_to_edge, try_crossjump_bb): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
        cfg_layout_can_merge_blocks_p):  Likewise.
        * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
        * passes.c (rest_of_compilation): Update comments for calling
        optimization that partitions hot/cold basic blocks.
        * doc/invoke.texi:  Update documentation of
        freorder-blocks-and-partition flag.

2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
        (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.

2004-08-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (any_shift): New code macro.
        (optab, insn): New code attributes.
        ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
        Use the standard rather than internal patterns for the MIPS16
        double-shift optimization.
        (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
        Redefine using :GPR and any_shift.
        (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
        to cover all three shifts.
        (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
        Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
        (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.

2004-08-24  Geoffrey Keating  <geoffk@apple.com>

        * gimplify.c (lookup_tmp_var): Separate temporaries when not
        optimizing.

2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libstdc++/17005 (fix for HP-UX 11.11)
        * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
        (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
        tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
        * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
        * config/pa/pa-hpux.h (TARGET_HPUX): Define.
        (LINK_SPEC): Handle march=1.0 option.
        * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
        and _XOPEN_SOURCE_EXTENDED for UNIX 95.
        (SUBTARGET_OPTIONS): New define.
        (LINK_SPEC): Handle march=1.0 option.
        (STARTFILE_SPEC): New define.
        * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
        and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
        _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
        (SUBTARGET_OPTIONS): New define.
        (LINK_SPEC): Handle march=1.0 option.
        (STARTFILE_SPEC): New define.
        * config/pa/pa.c (override_options): Add code to process -munix= option.
        * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
        (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
        defines.
        (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
        (SUBTARGET_OPTIONS): Provide default define.
        * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
        STANDARD_STARTFILE_PREFIX_2): New defines.
        (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
        (ENDFILE_SPEC): Use %O.
        * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
        Mention issue caused by changing namespace and runtime to UNIX 95/98.
        * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
        Document -munix=std option.

2004-08-25  Steven Bosscher  <stevenb@suse.de>

        * cse.c (cse_around_loop, cse_check_loop_start,
        cse_set_around_loop): Remove.
        (cse_basic_block): Remove the around_loop argument.
        (cse_end_of_basic_block): Remove the after_loop argument.
        (cse_main): Likewise.
        * rtl.h (cse_main): Update prototype.
        * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse): Update cse_main calls.

2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h  (build_int_cst): New, sign extended constant.
        (build_int_cstu): New, zero extended constant.
        (build_int_cst_wide): Renamed from build_int_cst.
        * tree.c (build_int_cst, build_int_cstu): New.
        (build_int_cst_wide): Renamed from build_int_cst.
        (make_vector_type, build_common_tree_nodes,
        build_common_tree_nodes_2): Adjust build_int_cst calls.
        * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
        expand_builtin_strpbrk, expand_builtin_fputs,
        build_string_literal, expand_builtin_printf,
        expand_builtin_sprintf, fold_builtin_classify_type,
        fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
        fold_builtin_toascii, fold_builtin_isdigit,
        simplify_builtin_strstr, simplify_builtin_strpbrk,
        fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
        * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
        DEF_ATTR_INT): Likewise.
        * c-decl.c (complete_array_type, check_bitfield_type_and_width):
        Likewise.
        * c-lex.c (interpret_integer, lex_charconst): Likewise.
        * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.
        * c-typeck.c (really_start_incremental_init, push_init_level,
        set_nonincremental_init_from_string): Likewise.
        * calls.c (load_register_parameters): Likewise.
        convert.c (convert_to_pointer): Likewise.
        coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
        build_fn_info_type, build_fn_info_value, build_ctr_info_value,
        build_gcov_info): Likewise.
        * except.c (init_eh, assign_filter_values): Likewise.
        * expmed.c (store_fixed_bit_field, extract_bit_field,
        extract_fixed_bit_field, extract_split_bit_field, expand_shift,
        expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
        expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
        * expr.c (convert_move, emit_group_load, emit_group_store,
        expand_assignment, store_constructor, store_field,
        expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
        fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
        invert_truthvalue, optimize_bit_field_compare,
        decode_field_reference, all_ones_mask_p, constant_boolean_node,
        fold_div_compare, fold, fold_read_from_constant_string,
        fold_negate_const, fold_abs_const, fold_not_const, round_up,
        round_down): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value, expand_case, estimate_case_costs):
        Likewise.
        * stor-layout.c (layout_type, initialize_sizetypes,
        set_min_and_max_values_for_integral_type): Likewise.
        * tree-chrec.c (chrec_fold_multiply_poly_poly,
        reset_evolution_in_loop): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.
        * tree-complex.c (build_replicated_const): Likewise.
        * tree-eh.c (honor_protect_cleanup_actions,
        lower_try_finally_onedest, lower_try_finally_copy,
        lower_try_finally_switch): Likewise.
        * tree-mudflap.c (mf_build_string, mx_register_decls,
        mudflap_register_call, mudflap_enqueue_constant): Likewise.
        * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
        Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
        Likewise.
        * tree-ssa-loop-ivcanon.c (create_canonical_iv,
        canonicalize_loop_induction_variables): Likewise.
        * tree-vectorizer.c (vect_create_index_for_array_ref,
        vect_transform_loop_bound, vect_compute_data_ref_alignment):
        Likewise.

        * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
        alpha_gimplify_va_arg_1): Likewise.
        * config/arm/arm.c (arm_get_cookie_size): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
        mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
        add_compiler_branch_island): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.
        * config/sh/sh.c (sh_va_start): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start,
        xtensa_gimplify_va_arg_expr): Likewise.

        * objc/objc-act.c (build_objc_string_object,
        build_objc_symtab_template, init_def_list, init_objc_symtab,
        init_module_descriptor, generate_static_references,
        build_selector_translation_table, get_proto_encoding,
        build_typed_selector_reference, build_selector_reference,
        build_next_objc_exception_stuff,
        build_method_prototype_list_template, generate_descriptor_table,
        generate_protocols, build_protocol_initializer,
        build_ivar_list_template, build_method_list_template,
        build_ivar_list_initializer, generate_ivars_list,
        generate_dispatch_table, generate_protocol_list,
        build_category_initializer, build_shared_structure_initializer,
        generate_shared_structures, handle_impent,
        generate_objc_image_info): Likewise.

2004-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * cfglayout.c (duplicate_insn_chain): Remove references to
        NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
        * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
        * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
        * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
        and NOTE_INSN_LOOP_CONT.
        * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
        * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
        and NOTE_INSN_LOOP_CONT.
        * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
        check_dbra_loop, loop_dump_aux): Remove references to removed notes
        and fields.
        * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
        * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
        references to removed notes and fields.
        (subtract_reg_term, ujump_to_loop_cont): Remove.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Document that libcpp does not require
        Automake any longer.  Document that Automake 1.9.1 should
        work everywhere.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

        * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
        * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
        DWARF_DEBUGGING_INFO from choice-of-definition chain;
        restructure using C89 features (#elif, #error).
        * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
        * config/sh/sh.h: Remove references to DWARF_DEBUG.
        * doc/invoke.texi: Remove references to DWARF version 1;
        clarify why -gdwarf-2<n> doesn't work.

2004-08-25  Zack Weinberg  <zack@codesourcery.com>

        * basic-block.h (BB_SET_PARTITION): Clear old value first.
        * cfg.c (clear_bb_flags): Don't clear partition setting.
        * ifcvt.c (find_if_case_1): Remove ??? comment.

2004-08-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/17052
        * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
        * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
        current_function_stdarg in place of sysv_varargs_p.
        * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
        sysv_varargs_p.

2004-08-24  Richard Henderson  <rth@redhat.com>

        PR target/16298
        * config/i386/i386.c (legitimate_constant_p): Rework to not accept
        random codes within CONST.

2004-08-24  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
        -freorder-blocks-and-partition.

2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/17044
        * tree-ssa-threadupdate.c (redirection_data): Make static.
        (thread_block): Use ggc_alloc_cleared to allocate struct
        redirection_data.  Don't free elements in redirection_data.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/predicates.md (small_data_pattern): Match prefetches.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/17016
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        number_of_iterations_exit): Use POINTER_TYPE_P instead
        of testing for POINTER_TYPE.

2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-ivcanon.c: New file.
        * tree-ssa-loop-manip.c (create_iv): New function.
        * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
        (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
        * cfgloop.c (mark_single_exit_loops): New function.
        (verify_loop_structure): Verify single-exit loops.
        * cfgloop.h (struct loop): Add single_exit field.
        (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
        (mark_single_exit_loops): Declare.
        (tree_num_loop_insns): Declare.
        * cfgloopmanip.c (update_single_exits_after_duplication): New function.
        (duplicate_loop_to_header_edge): Use it.
        * common.opt (fivcanon): New flag.
        * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
        * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
        (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
        (bsi_insert_on_edge_immediate): New function.
        * tree-flow.h (bsi_insert_on_edge_immediate,
        canonicalize_induction_variables, tree_unroll_loops_completely,
        create_iv): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_iv_canon and pass_complete_unroll.
        * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
        * tree-scalar-evolution.c (get_loop_exit_condition,
        get_exit_conditions_rec, number_of_iterations_in_loop,
        scev_initialize): Use single_exit information.
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
        missing assumptions.
        (loop_niter_by_eval):  Return number of iterations as unsigned
        int.
        * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
        (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
        tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
        New passes.
        (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
        * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
        the defining statement is ready.
        * tree-vectorizer.c (vect_create_iv_simple): Removed.
        (vect_create_index_for_array_ref, vect_transform_loop_bound):
        Use create_iv.
        (vect_transform_loop_bound): Use single_exit information.
        (vect_analyze_loop_form): Cleanup bogus tests.
        (vectorize_loops): Do not call flow_loop_scan.
        * tree.h (may_negate_without_overflow_p): Declare.
        * fold-const.c (may_negate_without_overflow_p): Split out from ...
        (negate_expr_p): ... this function.
        (tree_expr_nonzero_p): Handle overflowed constants correctly.
        * doc/invoke.texi (-fivcanon): Document.
        * doc/passes.texi: Document canonical induction variable creation.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
        * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
        using the mode of the operand to decide between them.
        * config/mips/mips.md (MOVECC): New mode macro.
        (ccreg): New mode attribute.
        (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
        Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
        (mov[sd]icc): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
        (mips_prefetch_cookie): New function.
        * config/mips/mips.c (print_operand_address): Fix handling of
        ADDRESS_CONST_INT.
        (mips_emit_prefetch): Delete.
        (mips_prefetch_cookie): New function.
        * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
        mode of QImode for the address_operand.  Use mips_prefetch_cookie
        to calculate the first "pref" operand.
        (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
        (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.

2004-08-24  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md: Include predicates.md.
        * predicates.md: New file.
        * arm.c (s_register_operand, arm_hard_register_operand)
        (arm_general_register_operand, f_register_operand, reg_or_int_operand)
        (arm_immediate_operand, arm_neg_immediate_operand)
        (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
        (arm_add_operand, arm_addimm_operand, arm_not_operand)
        (offsettable_memory_operand, alignable_memory_operand)
        (arm_reload_memory_operand, arm_float_rhs_operand)
        (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
        (index_operand, shiftable_operator, logical_binary_operator)
        (shift_operator, equality_operator, arm_comparison_operator)
        (minmax_operator, cc_register, dominant_cc_register)
        (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
        (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
        (const_shift_operand, load_multiple_operation)
        (store_multiple_operation, multi_register_push, thumb_cmp_operand)
        (thumb_cmpneg_operand, thumb_cbrch_target_operand)
        (cirrus_register_operand, cirrus_fp_register)
        (cirrus_shift_const): Delete, replaced with equivalents in
        predicates.md.
        (shift_op): Handle ROTATE.
        * arm-protos.h: Delete declarations for above.
        * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
        * t-arm (MD_INCLUDES): Add predicates.md.
        (s-preds): Depends on MD_INCLUDES.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
        * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
        patterns.  Redefine using :GPR.  Give the match_operator a mode.
        Use '%2' rather than '%z2' for operand 2.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
        attribute.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
        of internal patterns.
        (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
        Redefine using :P.
        (tablejump): Use expand_binop to calculate address.  Adjust names
        of internal patterns.
        (tablejump[sd]i): Renamed from tablejump_internal[12].
        Redefine using :P.
        (tablejump_mips16[12]): Delete.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
        (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
        (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
        (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
        (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.

2004-08-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
        (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
        using :GPR.
        (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
        (*branch_equality[sd]i): Likewise branch_equality{,_di}.
        (*branch_equality[sd]i_inverted): Likewise
        branch_equality{,_di}_inverted.
        (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
        Redefine using :GPR.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

        * rtl.def: Reorganize, placing all codes used only in machine
        descriptions at the end.

        * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
        * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
        rtx_name, rtx_format arrays by direct reference to rtl.def,
        first undefining GENERATOR_FILE.  Define enum insn_note and
        note_insn_name array by direct reference to insn-notes.def.
        (adjust_field_rtx_def): Remove local definition of rtx_name.
        Use symbolic names for insn notes.
        * Makefile.in (gengtype.o): Update dependencies.

2004-08-24  Zack Weinberg  <zack@codesourcery.com>

        * basic-block.h (struct basic_block_def): Reorder fields to
        eliminate interior padding.  Remove 'partition' field.
        (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
        (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
        (BB_COPY_PARTITION): New macros.
        * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
        Replace all references to the 'partition' field of a basic
        block with new macros.

        * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
        * final.c (final_scan_insn): Don't handle it.
        * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
        instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
        * sched-rgn.c (sched_is_disabled_for_current_region_p):
        Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * c-decl.c (c_init_decl_processing): Adjust
        build_common_tree_nodes call.
        * expmed.c (const_mult_add_overflow_p): Use
        build_distinct_type_copy.
        * stor-layout.c (early_type_list): Remove.
        (layout_type): Don't append to early_type_list.
        (initialize_sizetypes): Add signed_p argument.
        (set_sizetype): Overwrite the stub type nodes directly.
        * tree.c (copy_node_stat): Clear a type's value cache here ...
        (build_distinct_type): ... not here.
        (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
        * tree.h (initialize_sizetypes): Add signed_p argument.
        (build_common_tree_nodes): Likewise.

        * objc/objc-act.c (get_static_reference): Use
        build_variant_type_copy.
        (get_protocol_reference): Likewise.
        * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.

2004-08-24  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <apinski@apple.com>

        * gimplify.c (gimplify_array_ref_to_plus): Delete.
        (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
        for ARRAY_REF.

        * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
        ARRAY_REF also to get to the STRING_CST.

2004-08-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_override_options): Update error message.
        * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
        TARGET_HARD_FLOAT_ABI.
        (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
        (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.

2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/17093
        * config/m32r.md (movsi_sda): Add SI mode specification to
        UNSPEC.

2004-08-24  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
        of seth_add3_operand.

2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (PROTO_OBJS): Add errors.o.
        * protoize.c (fancy_abort): Remove.
        * mips-tfile.c (fancy_abort): Add parameters.

2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/trouble.texi (C++ misunderstandings): Fix example code.

2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>

        * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
        (host-default.o): Add dependency on HOOKS_H.
        * config/x-linux: Likewise.
        * config/x-solaris: Likewise.
        * config/i386/x-mingw32: Likewise.
        * config/rs6000/x-darwin: Likewise.

2004-08-23  James E Wilson  <wilson@specifixinc.com>

        * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
        DEF_REG_NOTE.

2004-08-23  Mark Mitchell  <mark@codesourcery.com>

        PR c/14492
        * dwarf2out.c (loc_descriptor_from_tree): Robustify.

2004-08-23  Diego Novillo  <dnovillo@redhat.com>

        * cfg.c (check_bb_profile): Fix typos.
        * function.c (assign_parm_is_stack_parm): Likewise.
        * tree-nested.c: Likewise.

2004-08-23  Daniel Jacobowitz  <dan@debian.org>

        * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
        Remove TYPECODE.
        (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.

2004-08-23  Eric Christopher  <echristo@redhat.com>

        * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
        * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
        * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
        * target.h: Ditto.
        * hooks.h: Include machmode.h.
        (hook_bool_mode_false): Declare.
        * hooks.c (hook_bool_mode_false): Define.
        * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
        * stor-layout.c (layout_type): Ditto.
        * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
        Define to target macro.
        * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
        * config/arm/arm.c: Ditto. Use.
        * config/arm/arm.h: Ditto.
        * config/arm/arm-protos.h: Ditto.
        * config/i386/i386.c: Ditto.
        * config/i386/i386.h: Ditto.
        * config/rs6000/rs6000.c: Ditto.
        * config/rs6000/rs6000.h: Ditto.
        * config/sh/sh.c: Ditto.
        * config/sh/sh.h: Ditto.
        * config/sh/sh-protos.h: Ditto.
        * config/sh/sh.md: Use.
        * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
        to TARGET_VECTOR_MODE_SUPPORTED_P.

2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (BUILD_ERRORS): Set to build-errors.
        (errors.o): New target for host.
        (build-errors.o): New target for build.
        (genobjs): Replace errors.o with build-errors.
        (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
        (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
        (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
        (fix-header.o): Add errors.h
        * collect2.c (fancy_abort): Add parameters.
        * collect2.h (fancy_abort): Don't declare.
        * errors.h (fancy_abort): Don't declare.
        * errors.c: Include either bconfig.h or config.h.
        (fancy_abort): Trim filename.
        * fix-header.c (v_fatal, fatal): Remove.
        (progname): Remove definition.
        (main): Set progname here.
        * gcc.c (fancy_abort): Add parameters.
        * gcc.h (fancy_abort): Remove declaration.
        * gcov.c (fancy_abort): Remove.
        * rtl.h (fancy_abort): Don't declare.
        (abort): Don't define.
        * tree.h (fancy_abort): Don't declare.
        (abort): Don't define.
        * system.h (fancy_abort): Declare.
        (abort): Define to fancy_abort.
        * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o

        * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
        (usize_type, ubitsizetype): Remove.
        * stor-layout.c (set_sizetype): Don't initialize usizetype,
        ubitsizetype.
        * fold-const.c (size_diffop): TYPE can never be ubitsizetype.

        * tree.h (build_distinct_type_copy): New.
        (build_type_copy): ... here.  Rename to ...
        (build_variant_type_copy): ... here.
        * tree.c (build_qualified_type): Rename build_type_copy call.
        (build_distinct_type_copy): New, broken out of ...
        (build_type_copy): ... here.  Rename to ...
        (build_variant_type_copy): ... here.  Use
        build_distinct_type_copy.
        (build_common_tree_nodes_2): Rename build_type_copy call.
        * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
        call.
        (handle_packed_attribute, handle_unused_attribute,
        handle_transparanet_union_attribute, handle_aligned_attribute,
        handle_deprecated_attribute): Likewise.
        * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
        Likewise.
        * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Use
        build_distinct_type_copy.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
        attribute.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
        loads and stores.
        (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
        formerly unnamed patterns.  Redefine using :P for the address.  Remove
        explicit length attributes.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
        New functions.
        (single_reachable_address): Use them.
        (schedule_sm): Add dump.
        (is_call_clobbered_ref): New function.
        (determine_lsm_reg): Check whether the reference is call clobbered.
        Only work for gimple_reg_type values.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
        $31 store insns.  Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (P): New mode macro.
        (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
        (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
        Add mode attributes.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
        (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
        later constants to cover the gap.
        (load, store): New mode attributes.
        (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
        Use new unspec constants.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
        (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
        to use register_operand rather than uns_arith_operand as the predicate
        for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
        (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
        Redefine using :GPR.  Make same predicate change here.  Extend the
        commutativity of operands 1 and 2 from the SImode version to the
        DImode one.
        (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
        but with no predicate changes.
        (*nor[sd]i3): Redefine using :GPR.

2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
        noreturn functions.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
        * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
        branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
        rather than "%z2" (with a fake const0_rtx for operand 2).
        (ffs[sd]i2): Redefine using :GPR.
        (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (any_extend): New code macro.
        (u, su): New code attributes.
        ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
        ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
        ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
        (*{s,u}mul_acc_di): Redefine using any_extend.
        (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
        to reflect real insn names.
        (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
        with an any_extend template.
        ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
        Add '*' to name.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
        * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
        (mul[sd]i3_r4000): Redefine using :GPR.
        (mulsi3_mult3): Don't check TARGET_MAD separately.
        (muldi3_mult3): Moved after mulsi_mult3.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
        OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
        * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
        (TARGET_GAS, TARGET_MIPS_AS): Delete.
        (TARGET_GPWORD): Define to true for n32 on IRIX.
        (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
        (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
        (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
        (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
        (MDEBUG_ASM_SPEC): Delete, folding into...
        (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
        (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
        (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
        subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
        to define asm_abi_default_spec.
        (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
        (TARGET_ASM_SELECT_SECTION): Delete.
        * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
        for non-mips16 code, removing previous workaround for SGI assemblers.
        (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
        (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
        (override_options): Remove !TARGET_GAS and !have_named_sections code.
        (print_operand): Fold TARGET_GAS conditionals into asm strings.
        (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
        ASM_STABS_OP and ASM_STABN_OP.
        (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
        (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
        (mips_output_function_prologue): Remove !TARGET_GAS code.
        (mips_select_rtx_section): Remove !have_named_sections code.
        (mips_select_section): Delete.
        * config/mips/mips.md (trap): Remove !TARGET_GAS check.
        * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
        * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
        (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
        * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
        * config/mips/windiss.h (ASM_SPEC): Likewise.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (map_value, mapping, macro_group): New structures.
        (BELLWETHER_CODE): New macro.
        (modes, codes, bellwether_codes): New variables.
        (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
        (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
        (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
        (add_condition_to_rtx, apply_macro_traverse, add_mapping)
        (add_map_value, initialize_macros): New functions.
        (def_hash, def_hash_eq_p): Generalize to anything that points to,
        or starts with, a char * field.
        (find_macro, read_mapping, check_code_macro): New functions.
        (read_rtx_1): New, split out from read_rtx.  Handle the new
        define_{mode,code}_{macro,attr} constructs.  Use find_macro
        to parse the name of a code or mode.  Use BELLWETHER_CODE to
        extract the format and to choose a suitable code for rtx_alloc.
        Modify recursive invocations to use read_rtx_1.
        (read_rtx): Call initialize_macros.  Apply code and mode macros
        to the rtx returned by read_rtx_1.  Cache everything after the
        first macro expansion for subsequent read_rtx calls.
        * doc/md.texi: Document new .md constructs.
        * config/mips/mips.md (GPR): New mode macro.
        (d, si8_di5): New mode attributes.
        (any_cond): New code macro.
        (add[sd]i3): Redefine using :GPR.
        (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
        (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
        previously unnamed MIPS16 patterns.
        (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
        lines.  Don't match (plus (const_int 0) ...).
        (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
        Use a define_split to generate the addition.
        (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
        (subsi3_internal): Delete.
        (*subsi3_extended): Renamed from subsi3_internal_2.
        (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
        (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
        using an any_cond template.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (read_rtx): Tidy use of format_ptr.

2004-08-23  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (string_obstack): New file-scope variable.
        (read_string, read_quoted_string, read_braced_string)
        (read_escape): Remove obstack parameter and use string_obstack instead.
        (read_rtx): Remove function-local rtl_obstack and initialize
        string_obstack instead.  Update call to read_string.

2004-08-22  Andrew Pinski  <apinski@apple.com>

        PR c/15262
        * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
        expression is not constant.
        (c_finish_return): Do not go through INDIRECT_REF when looking
        for the inner expression of an ADDR_EXPR for warning about.

2004-08-22  Richard Henderson  <rth@redhat.com>

        PR 17075
        * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
        create new blocks and fall through.
        (expand_gimple_basic_block): Update to match.

2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads_address): Make return value tri-state.
        Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
        (find_reloads): Assume that reloaded addresses match 'o' or
        EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
        returned 1 (not -1).  Omit optional reloads for address operands
        only if find_reloads_address returned 1 (not -1).

        * config/s390/s390.c (legitimize_reload_address): New function.
        * config/s390/s390-protos.h (legitimize_reload_address): Declare.
        * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
        legitimize_reload_address.

2004-08-22  Richard Hendersion  <rth@redhat.com>

        * tree.h (SAVE_EXPR_RESOLVED_P): New.
        * gimplify.c (gimplify_save_expr): Use it.
        * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
        on the temporary variable.

2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (rtl_expr_nonnegative_p): Delete.
        * tree.h (rtl_expr_nonnegative_p): Remove.

2004-08-22  Steven Bosscher  <stevenb@suse.de>

        * config/i386/ppro.md (ppro_complex_insn): Add missing check
        for cpu==pentiumpro.

        * combine.c (struct reg_stat): Fix comment typo.

2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (c_sizeof_nowarn): Remove.

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (set_array_declarator_type): Rename to
        set_array_declarator_inner.
        (build_c_parm, build_attrs_declarator, build_function_declarator):
        New functions.
        (make_pointer_declarator): Call build_attrs_declarator.
        * c-tree.h (set_array_declarator_type): Rename to
        set_array_declarator_inner.
        (build_c_parm, build_attrs_declarator, build_function_declarator):
        New prototypes.
        * c-parse.in (after_type_declarator,
        parm_declarator_starttypename, parm_declarator_nostarttypename,
        notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
        firstparm): Use these functions

2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (build_array_declarator, set_array_declarator_type,
        start_decl, grokdeclarator, grokparms): Change boolean parameters
        to type bool.
        * c-tree.h (build_array_declarator, set_array_declarator_type,
        start_decl): Update prototypes.
        * c-decl.c, c-parse.in: All callers changed.

2004-08-21  Mike Stump  <mrs@apple.com>

        * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.

2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>

        PR  c++/16030
        * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
        Remove, merging into ...
        (gen_stdcall_or_fastcall_suffix): New function, returning tree
        rather than const char*, and accepting additional parameter.
        Don't add suffix to '*'-prefixed symbols or variadic functions.
        (i386_pe_encode_section_info): Adjust for call to new function.
        Call change_decl_assembler_name.

2004-08-20  Mike Stump  <mrs@apple.com>

        * config/darwin.c (machopic_indirect_data_reference): Mark
        stubs as defined.
        * config/386/386.c (darwin_local_data_pic): Add.
        (legitimate_constant_p): Reorder so that PLUS handling runs
        before darwin_local_data_pic to match the ordering in
        legitimate_pic_address_disp_p and so that MINUS runs after
        darwin_local_data_pic as otherwise the darwin_local_data_pic
        logic can be skipped, which would be very bad.
        (legitimate_pic_address_disp_p): Move from from here to
        darwin_local_data_pic so it can be reused.

2004-08-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
        (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
        (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
        (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
        (RS6000_ABI_NAME): Define as "linux".
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
        ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
        * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
        * config/rs6000/rs6000.c (dot_symbols): New global var.
        (rs6000_output_function_entry): New function, modified for
        !DOT_SYMBOLS..
        (print_operand <case 'z'>): ..extracted from here.
        (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
        (rs6000_output_function_epilogue): Likewise.
        (rs6000_elf_declare_function_name): Likewise.
        * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
        (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
        * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

        * reload.c (find_reloads_address): Fix thinko in previous change.

        * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
        a CONST_INT.

2004-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/17099
        * combine.c (force_to_mode): Check if inner_mask has any bits set
        outside of GET_MODE (x) instead of op_mode.

2004-08-20  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
        fragment.
        * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
        (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
        * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
        architecture.
        (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
        configurations.
        * config/arm/t-symbian: New file.

2004-08-20  Andrew Pinski  <apinski@apple.com>

        * regrename.c (kill_value_regno): ANSIfy.

2004-08-20  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.

2004-08-20  Daniel Jacobowitz  <dan@debian.org>

        * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
        (kill_value_regno): New function, derived from kill_value.
        (kill_value): Update.
        (copyprop_hardreg_forward_1): Update call to kill_value_regno.

2004-08-20  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/17111
        * tree-ssa-pre.c (create_value_expr_from): Don't change the types
        of non-value_handles.
        (bitmap_set_contains): All constants are in every set.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

        * fold-const.c (round_up, round_down): Use build_int_cst.
        Optimize common case.

2004-08-20  Zack Weinberg  <zack@codesourcery.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
        one_only_data_section): Rename to som_readonly_data_section,
        som_one_only_readonly_data_section and som_one_only_data_section.
        * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
        NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
        conditional defines.
        (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
        NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
        string values.
        (pa_select_section): Use renamed section functions.
        * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
        SOM_READONLY_DATA_SECTION_FUNCTION,
        SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
        SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
        Define here ...
        * config/pa/som.h: ... not here.
        (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
        ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
        ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
        ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
        (READONLY_DATA_SECTION): Use som_readonly_data_section.

2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>

        * fold-const.c (int_const_binop): Don't generate non-overflowing
        size-types specially.
        (fold_convert_const): Likewise.

        * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
        clear cache on copied sizetype.

2004-08-20  Ben Elliston  <bje@au.ibm.com>

        * configure.ac: Don't escape apostrophe in --enable-coverage help.
        * configure: Regenerate.

2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>

        PR 5620
        * gcc.c (struct stat input_stat): Don't define if
        HOST_LACKS_INODE_NUMBERS
        (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
        than stat to determine if temp file is same as input file.
        * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
        * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS

2004-08-20  Richard Sandiford  <rsandifo@redhat.com>

        * configure.ac (mips*-*-*): Print an error if not using GAS.
        * configure: Regenerated.
        * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
        comments about buggy MIPSpro assemblers.
        * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
        before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
        Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
        IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
        * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
        (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
        (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
        (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
        (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
        of more general IRIX 6 definitions.
        (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
        (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
        (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
        (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
        (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
        (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
        (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
        (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
        (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
        (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
        (LINK_SPEC): Move most of definition to iris.h.
        (SUBTARGET_LINK_SPEC): New macro.
        (IRIX_STARTFILE_SPEC): Fold into...
        (STARTFILE_SPEC): ...here.
        (IRIX_ENDFILE_SPEC): Fold into...
        (ENDFILE_SPEC): ...here.
        * config/mips/iris6.h (TARGET_IRIX5): Remove override.
        (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
        (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
        (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
        (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
        (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
        (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
        (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
        (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
        (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
        (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
        (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
        (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
        (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
        (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
        (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
        (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
        (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
        (TARGET_IRIX6): Define to 1.
        (DRIVER_SELF_SPECS): Define.
        (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
        (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
        (SUBTARGET_LINK_SPEC): New macro.
        (IRIX_STARTFILE_SPEC): Fold into...
        (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
        (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
        (LIB_SPEC, LIBGCC_SPEC): Use them.
        (LIB_SPEC): Remove !mabi=* case.
        (IRIX_ENDFILE_SPEC): Fold into...
        (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
        * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
        * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
        (TARGET_IRIX6): New macro.
        (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
        (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
        (LABEL_AFTER_LOC): Delete.
        * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
        (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
        (mips_build_builtin_va_list): Check TARGET_IRIX6.
        (override_options): Remove TARGET_SGI_O32_AS-related code.
        (irix_output_external_libcall): Make static.
        (mips_output_filename): Avoid use of SET_FILE_NUMBER and
        LABEL_AFTER_LOC.
        (mips_file_start): Tidy guard for ABI sections.  Remove use of
        ABICALLS_ASM_OP; use .abicalls instead.
        (mips_output_aligned_decl_common, mips_declare_object_name)
        (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
        (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
        .globl foo .text directives.
        (irix_asm_named_section_1, irix_asm_named_section)
        (irix_section_align_entry, irix_section_align_htab)
        (irix_orig_asm_out_file, irix_section_align_entry_eq)
        (irix_section_align_entry_hash, irix_asm_output_align)
        (irix_file_start, irix_section_align_1, copy_file_data)
        (irix_file_end, irix_section_type_flags): Delete.
        * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
        Use standard section syntax.  Remove protective "jr $31".
        (__gcc_fini): Likewise .gcc_fini.
        * config/mips/irix-crtn.asm: Adjust sections accordingly.
        * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
        iris5gas.h.
        * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
        from t-irix-gld.
        (EXTRA_MULTILIB_PARTS): Define.
        * config/mips/t-iris6: Remove bogus comment.
        (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
        * config/mips/iris5gas.h, config/mips/iris5gld.h,
        config/mips/iris6gas.h, config/mips/iris6gld.h,
        config/mips/t-iris5-as, config/mips/t-iris5-gas
        config/mips/t-irix-gld: Delete.
        * config/mips/iris.h: New file.
        * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.

2004-08-20  Richard Earnshaw  <rearnsha@arm.com>

        * postreload.c (reload_cse_move2add): Allow any condjump, but check
        that the implicit set isn't clobbered in the jump insn.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

        * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
        * optabs.c (init_optabs): Don't check it.
        * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
        * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.

2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (s390_warn_framesize_string)
        (s390_warn_dynamic_string, s390_stack_size_string)
        (s390_stack_guard_string): New global string variables.
        (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
        (s390_stack_guard): New global variables.
        (override_options): Added checks for the new options.
        (s390_emit_prologue): Emit stack check and trap code and perform
        compile time stack size checking.

        * config/s390/s390.h (TARGET_OPTIONS): Added new options
        "warn-framesize", "warn-dynamicstack", "stack-size" and
        "stack-guard".

        * doc/invoke.texi: Added documentation for the new options.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
        to eliminate warning.
        (linear_search_fdes): Declare p as unsigned.
        (binary_search_mixed_encoding_fdes): Likewise.
        * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
        to eliminate warning.
        * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
        type cast.

2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
        * config/s390/s390.c (preferred_la_operand_p): Accept two operands
        instead of one.  Check for strictly legitimate address.
        * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
        to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.

2004-08-19  Eric Christopher  <echristo@redhat.com>

        * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
        * langhooks.h (unsave_expr_now): Ditto.
        * tree.h (unsave_expr_1): Remove prototype.
        (lhd_unsave_expr_now): Rename to unsave_expr_now.
        * tree-inline.c (unsave_expr_1): Move here
        from tree.c. Make static.
        (unsave_expr_now): Rename from lhd_unsave_expr_now.
        * tree-sra.c: Fix up for rename.
        * tree-ssa-copy.c: Ditto.
        * tree-eh.c: Ditto.
        * tree.c (unsave_expr_1): Move to tree-inline.c.

2004-08-19  Caroline Tice  <ctice@apple.com>

        * config/i386/cygming.h (switch_to_section):  Fix typo (change
        in_unlikely_text_section to in_unlikely_executed_text).

2004-08-19  Daniel Berlin  <dberlin@dberlin.org>

        * vec.h (VEC_lower_bound): New macro.

2004-08-19  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16446
        * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
        (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
        treat each ABI separately.  Deal with n32/n64 complex float arguments.
        (function_arg): Add associated complex handling here.

2004-08-19  Richard Henderson  <rth@redhat.com>

        * config/arm/arm.c (arm_gen_load_multiple): Use
        adjust_automodify_address.  Take base memory and offset instead
        of unchanging/struct/scalar bits.
        (arm_gen_store_multiple): Likewise.
        (arm_gen_movmemqi): Use adjust_automodify_address.
        * config/arm/arm-protos.h: Update decls.
        * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
        (store_multiple): Similarly.

2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>

        * regclass.c (globalize_reg): Update call_really_used_regs.

2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (integer-share-limit): Document.

        * tree.h (TYPE_CACHED_VALUES_P): New.
        (TYPE_CACHED_VALUES): New.
        (TYPE_ORIG_SIZE_TYPE): Adjust.
        * tree.def (INTEGER_CST): Update documentation.
        * tree.c: Inlcude params.h.
        (build_int_cst): Cache small values.
        (build_type_copy): Do not copy the value cache.
        * c-common.c (c_common_nodes_and_builtins): Add comment, remove
        unneeded zeroing.
        * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
        * expmed.c (const_mult_add_overflow_p): Clear type copy's value
        cache.
        * fold-const.c (force_fit_type): Copy value when setting
        overflows.
        (int_const_binop): Likewise.
        * stor-layout.c: Include params.h
        (set_sizetype): Create values cache.
        (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
        * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
        * params.h (INTEGER_SHARE_LIMIT): New.
        * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.

2004-08-19  Paolo Bonzini  <bonzini@gnu.org>

        * gimplify.c (gimplify_minimax_expr): Remove.
        (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.

2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
        STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.

2004-08-19  Mark Mitchell  <mark@codesourcery.com>

        * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.

2004-08-18  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
        (__aeabi_ul2f): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
        move to rtl completely.
        (struct meminsnbuf, xtensa_emit_block_move): Remove.
        (xtensa_find_mode_for_size): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
        * config/xtensa/xtensa.md (movmemsi_internal): Remove.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * config/mcore/mcore.c (mode_from_align): Remove DImode.
        (block_move_sequence): Rewrite to use adjust_address.
        (mcore_expand_block_move): Cleanup logic.  Accept only operands.
        Return boolean indicating success/failure.
        * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
        * config/mcore/mcore.md (movmemsi): Update to match.

2004-08-18  Mike Stump  <mrs@apple.com>

        * doc/invoke.texi (-mfix-and-continue): Add support for
        fast turn around debugging.
        (-ffix-and-continue): Likewise.
        (-mindirect-data): Likewise.
        (-findirect-data): Likewise.
        * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
        (indirect_data): Likewise.
        (machopic_data_defined_p): Likewise.
        (machopic_output_indirection): Likewise.
        (darwin_encode_section_info): Likewise.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
        (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
        (SUBTARGET_OPTIONS): Likewise.
        (darwin_fix_and_continue): Likewise.
        (darwin_fix_and_continue_switch): Likewise.
        (TARGET_FIX_AND_CONTINUE): Likewise.
        * config/rs6000.c (rs6000_emit_prologue): Likewise.

2004-08-19  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (struct edge_def): Remove crossing_edge.
        (EDGE_CROSSING): New define.
        (EDGE_ALL_FLAGS): Update.
        * bb-reorder.c (find_traces_1_round, better_edge_p,
        find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
        find_jump_block, fix_crossing_conditional_branches,
        fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
        Replace all occurences of crossing_edge with an edge flag check
        or set/reset.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        try_crossjump_bb): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect,
        commit_one_edge_insertion): Likewise.

        * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
        * tree-flow.h (compute_dominance_frontiers): Move prototype...
        * basic-block.h:  ...here.
        * tree-cfg.c (compute_dominance_frontiers_1,
        compute_dominance_frontiers): Move from here...
        * cfganal.c: ...to here.  Include timevar.h.

2004-08-18  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
        * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.

        * config/mips/mips.md (type): Add frdiv.
        (divsf3+1, divsf3+2): Change type to frdiv.
        * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
        ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.

        * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
        * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
        * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
        * config/mips/5000.md (r5k_fdiv_single): Likewise.
        * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
        * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
        * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
        * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
        * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
        * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
        Likewise.
        * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.

2004-08-18  Robert Bowdidge <bowdidge@apple.com>

        * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
        get regression tester working again.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * insn-notes.def, reg-notes.def: New files.
        * rtl.h: Use them to define enum insn_note and enum reg_note.
        * rtl.c: Use them to define note_insn_name and reg_note_name.
        * Makefile.in (RTL_BASE_H): Update.

        * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
        renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_size_rtx_costs): New function.
        (arm_override_options): Use it if optimizing for space.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (gen_const_mem): New.
        * rtl.h (gen_const_mem): Declare.
        * expr.c (do_tablejump): Use it.
        * varasm.c (force_const_mem): Likewise.
        * config/darwin.c (machopic_indirect_data_reference): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        * config/arm/arm.c (legitimize_pic_address): Likewise.
        * config/i386/i386.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
        * config/ia64/ia64.md (load_fptr): Likewise.
        * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
        (rs6000_emit_move): Likewise.
        * config/s390/s390.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/s390/s390.md (casesi): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): Likewise.
        * config/v850/v850.md (casesi): Likewise.

        * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
        * config/sh/sh.c (prepare_move_operands): Remove incorrect
        use of MEM_READONLY_P.

2004-08-18  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (OBJS-common): Add postreload-gcse.c.
        Add new postreload-gcse.o.
        * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
        (lookup_as_function, insert, rehash_using_reg, use_related_value,
        equiv_constant): Use SAFE_HASH instead of safe_hash.
        (exp_equiv_p): Export.  Add for_gcse argument when comparing
        for GCSE.
        (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
        find_comparison_args, fold_rtx, cse_insn): Update callers.
        (hash_rtx): New function derived from old canon_hash and bits
        from gcse.c hash_expr_1.
        (canon_hash_string): Rename to hash_rtx_string.
        (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
        * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
        (cselib_lookup): Update this caller.
        * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
        Make static.
        (hash_expr): Call hash_rtx.
        (ldst_entry): Likewise.
        (expr_equiv_p): Call exp_equiv_p.
        (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
        reg_used_on_edge, reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, get_avail_load_store_reg,
        is_jump_table_basic_block, bb_has_well_behaved_predecessors,
        get_bb_avail_insn, hash_scan_set_after_reload,
        compute_hash_table_after_reload,
        eliminate_partially_redundant_loads, gcse_after_reload,
        get_bb_avail_insn, gcse_after_reload_main): Remove.
        * postreload-gcse.c: New file, reincarnating most of the above.
        * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
        (gcse_after_reload_main): Update prototype.
        * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
        * passes.c (rest_of_handle_gcse2): Use it.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
        (pass_loop_done): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/darwin.md: Delete the altivec patterns which are
        handled differently now.
        (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
        (macho_correct_pic_di): Likewise.
        (call_indirect_nonlocal_darwin64): Likewise.
        Delete the save world/saveFP/saveVec patterns.

        Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
        Darwin bits.

2004-08-18  Matt Austern  <austern@apple.com>

        Dead code stripping
        * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
        * darwin.c (darwin_file_end): Mark file as potentially strippable.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * alias.c (readonly_fields_p): Remove.
        (objects_must_conflict_p): Don't call it.
        * tree.h (readonly_fields_p): Remove.
        * langhooks.h (struct lang_hooks): Remove honor_readonly.
        * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.

2004-08-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (add_referenced_var): Only global variables are
        call-clobbered.
        * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
        all pointers dereferenced if the statement dereferences them.
        (create_name_tags): Do not create memory tags for pointers
        that have PT_ANYTHING set.
        Also check if PT_VARS is not empty before creating a name tag.
        (compute_flow_sensitive_aliasing): Don't mark call-clobbered
        variables that share the same alias set with a pointer that
        may point anywhere.
        (add_may_alias): Add FIXME comment to remove clobbering
        aliased variables and tags.
        (replace_may_alias): Likewise.
        (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
        (merge_pointed_to_info): If the original variable has not
        points-to information, call set_pt_anything.
        (add_pointed_to_var): Do not prevent adding a pointed-to
        variable if the pointers is PT_ANYTHING.
        If the variable is a global, set PT_GLOBAL_MEM.
        (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
        pointer type only come in PTR+OFFSET flavours.
        Always call merge_pointed_to_info on PHI arguments that are
        SSA_NAMEs.
        (get_nmt_for): Mark call-clobbered tags whose pointer points
        to global memory.
        * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
        values.
        (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
        FLAGS.
        (add_stmt_operand): Abort if the caller tried to add a killing
        definition for a memory tag.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
        unnecessary checks.

2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
        from call_used_regs.  Update call_really_used_regs.
        (CALL_REALLY_USED_REGISTERS): Define.
        * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
        Replace call_used_regs with call_really_used_regs.
        (calc_live_regs, sh_media_register_for_return): Likewise.
        (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
        * sh.md (return_media): Likewise.

2004-08-18  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_legitimize_pic_address): Only set
        MEM_READONLY_P in the non TARGET_TOC case.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * rtl.def (NIL): Delete.
        * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
        Tighten the syntax a little.

        * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
        * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
        * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
        * config/i386/predicates.md, config/m32r/m32r.h
        * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
        * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
        * config/sparc/sparc.h, doc/tm.texi:
        Replace all occurrences of NIL with UNKNOWN.

2004-08-18  Zack Weinberg  <zack@codesourcery.com>

        * dojump.c (do_jump <unordered_bcc>): Do not recursively call
        self with a TRUTH_ORIF_EXPR; generate the appropriate jump
        sequence inline.  Move drop_through_label code into this
        block, being the only place it is used.  Adjust comments.

2004-08-18  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.md: Add new patterns for calls to
        save_world/rest_world functions.

        * config/rs6000/rs6000-protos.h: (save_world_operation,
        restore_world_operation) new declarations.

        * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
        field added.
        (rs6000_stack_info): Set world_save_p field.
        (save_world_operation): New function.
        (restore_world_operation): New function.
        (compute_save_world_info): New function.
        (rs6000_stack_info): Call compute_save_world_info.
        (rs6000_emit_prologue): Check for world_save_p and generate
        pattern to call save_world for saving all non-volatile and
        special registers.
        (rs6000_emit_epilogue): Check for world_save_p and generate
        pattern to call rest_world to restore saved registers.

        config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
        FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
        (rs6000_reg_names): New entries added for save_world_operation and
        restore_world_operation.

2004-08-18  Caroline Tice  <ctice@apple.com>

        * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
        "-freorder-blocks-and-partition" to the flags used in second
        stage of profiledbootstrap.
        * bb-reorder.c (push_to_next_round_p): Add new variable,
        next_round_is_last; set and use variable to make sure, when
        partitioning, that the last trace construction round consists
        of all (and only) cold basic blocks.
        (rotate_loop): Don't copy blocks that end in a section
        crossing jump.
        (copy_bb): Correctly initialize "partition" of duplicated bb.
        (add_unlikely_executed_notes): Add a comment.
        (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
        to make sure, if function contains hot blocks, that the
        successors of ENTRY_BLOCK_PTR are hot; also, only look for
        crossing edges if the architecture supports named sections.
        (mark_bb_for_unlikely_executed_section): Modify to always
        insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
        the basic block note insn.
        (fix_crossing_unconditional_branches): Remove extra space.
        (fix_edges_for_rarely_executed_code): Modify to only do
        partitioning work if the architecture supports named sections.
        (reorder_basic_blocks): Modify to only add
        NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
        supports named sections.
        * c-common.c (handle_section_attribute): Initialize new global
        variable, user_defined_section_attribute, to true if user has
        specified one.
        * cfgcleanup.c (try_forward_edges): Modify to not attempt to
        forward edges that cross section boundaries.
        * cfglayout.c (fixup_reorder_chain): Modify to only fix up
        partitioning information if the architecture supports named
        sections.
        * cfgrtl.c (target.h): Add statement to include this.
        (rtl_split_block): Make sure newly created bb gets correct
        partition.
        (try_redirect_by_replacing_jump): Make sure redirection isn't
        attempting to cross section boundaries.
        (force_nonfallthru_and_redirect): Only do partition fix up if
        architecture supports named sections.
        (rtl_split_edge): Make sure newly created bb ends up in
        correct partition.
        (commit_one_edge_insertion): Remove code that incorrectly
        updated basic block partition; Make sure partition fix up only
        happens if architecture supports named sections and it's not
        already done.
        (rtl_verify_flow_info_1): Fix if-condition on test/error
        condition that fallthru edges are not allowed to cross section
        boundaries.
        * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
        * final.c (final_scan_insn): Remove redundant test from if-statement;
        change calls to text_section into calls to function_section; add code
        to only to partitioning fix up if architecture supports named
        sections.
        * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
        partition.
        (if_convert): Add targetm.have_named_sections to test.
        * output.h (unlikely_section_label): Extern declaration for new global
        variable.
        (unlikely_text_section_name): Likewise.
        * opts.c (decode_options): If both partitioning and DWARF debugging
        are turned on, issue a warning that this doesn't work, and change
        partitiong to basic block reordering (without hot/cold partitions).
        * passes.c (rest_of_handle_final): Re-set new global variable,
        user_defined_section_attribute, to false.
        (rest_of_compilation): Change options for calling partitioning
        function: Don't call if the user defined the section attribute, and
        don't call if DECL_ONE_ONLY is true for the current function.
        * predict.c (choose_function_section): Return immediately if we
        are doing hot/cold partitioning (i.e. let the basic block partitioning
        determine where the function belongs).
        * reg-stack.c (emit_swap_insn): Add condition to step over
        NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
        * toplev.c (user_defined_section_attribute): New global variable.
        * toplev.h (user_defined_section_attribute): Extern declaration
        for new global variable.
        * varasm.c (unlikely_section_label): New global variable.
        (unlikely_text_section_name): New global variable.
        (unlikely_text_section): Add code to initialize
        unlikely_text_section_name if necessary; modify to use
        unlikely_text_section_name and unlikely_section_label; also to use
        named_section properly.
        (in_unlikely_text_section):  Modify to work correctly with
        named_section and to use unlikely_text_section_name.
        (named_section):  Add code to work properly with cold section.
        (function_section): Clean up if-statement.
        * config/darwin.c (darwin_asm_named_section): Return to original
        code, removing use of SECTION_FORMAT_STRING.
        * config/arm/pe.h (switch_to_section):  Add case for
        in_unlikely_executed_text to switch statement.
        * config/i386/cygming.h (switch_to_section): Likewise.
        * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Likewise.
        * config/mcore/mcore.h (switch_to_section): Likewise.
        * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Remove.

2004-08-18  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
        -ffixed-reg safe, by preserving the meanings of zero and one.
        (CALL_USED_REGISTERS): Likewise.
        (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.

2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Check the result of
        next_active_insn.
        (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
        Call rtl_register_cfg_hooks.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
        * alias.c (true_dependence): Update to match new semantics.
        (canon_true_dependence, write_dependence_p): Likewise.
        (anti_dependence, output_dependence): Update write_dependence_p args.
        (unchanging_anti_dependence): Remove.
        * calls.c (purge_mem_unchanging_flag): Remove.
        (fixup_tail_calls): Don't call it.
        (expand_call): Don't add unchanging memory to function usage.
        * expr.c (emit_block_move_via_libcall): Likewise.
        (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
        (get_subtarget): Don't use RTX_UNCHANGING_P.
        (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
        (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
        * combine.c (get_last_value_validate): Use MEM_READONLY_P.
        * cse.c (insert): Don't use RTX_UNCHANGING_P.
        (cse_insn, canon_hash): Use MEM_READONLY_P.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
        instead of RTX_UNCHANGING_P.
        * explow.c (maybe_set_unchanging): Remove.
        * expr.h (maybe_set_unchanging): Remove.
        * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
        * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
        (assign_parm_setup_reg, expand_function_start): Likewise.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        * ra-rewrite.c (emit_colors): Likewise.
        * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
        (fixup_match_1): Likewise.
        * reload1.c (reload, alter_reg): Likewise.
        * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
        not RTX_UNCHANGING_P.
        (equiv_init_varies_p): Likewise.
        * loop-invariant.c (check_maybe_invariant): Likewise.
        * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
        * loop.c (note_addr_stored): Likewise.
        (prescan_loop): Likewise. Don't check function usage for clobbered
        unchanging memory.
        * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
        not RTX_UNCHANGING_P.
        (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
        * varasm.c (force_const_mem): Likewise.
        * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
        * web.c (entry_register): Likewise.
        * tree-gimple.h (get_base_address): Move decl ...
        * tree.h: ... here.
        * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

        * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
        called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
        (alpha_set_memflags): Update to match.

        * config/darwin.c (machopic_indirect_data_reference): Set
        MEM_READONLY_P instead of RTX_UNCHANGING_P.
        (machopic_indirect_call_target): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
        arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
        * config/arm/arm.md (load_multiple, store_multiple): Likewise.
        * config/frv/frv.md (symGOT2reg): Likewise.
        * config/i386/i386.c (legitimize_pic_address,
        legitimize_tls_address, ix86_split_to_parts): Likewise.
        * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
        * config/ia64/ia64.md (load_fptr): Likewise.
        * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
        * config/m68k/m68k.c (legitimize_pic_address): Likewise.
        * config/mcore/mcore.c (block_move_sequence): Likewise.
        * config/mn10300/mn10300.md (symGOT2reg): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
        (rs6000_emit_move): Likewise.
        * config/s390/s390.c (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        * config/s390/s390.md (casesi): Likewise.
        * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
        * config/sh/sh.md (symGOT2reg): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): Likewise.
        * config/v850/v850.md (casesi): Likewise.

        * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
        * config/iq2000/iq2000.c (save_restore_insns): Likewise.
        * config/mips/mips.c (mips_restore_gp): Likewise.
        (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.

2004-08-18  Richard Henderson  <rth@redhat.com>

        * tree.h (struct tree_decl): Add gimple_formal_temp.
        (DECL_GIMPLE_FORMAL_TEMP_P): New.
        * gimplify.c (pop_gimplify_context): Clear it.
        (lookup_tmp_var): Set it, if is_formal.
        (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
        Use is_gimple_val for VECTOR.  Simplify return value.
        (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
        (gimplify_expr): Likewise.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
        is_gimple_tmp_rhs for clarity.  Update all callers.
        (is_gimple_reg_rhs): Simplify logic.
        (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
        clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
        (is_gimple_formal_tmp_reg): Similarly.
        * tree-gimple.h: Update decls.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
        DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
        * tree-ssa-live.c (var_union, type_var_init): Likewise.

2004-08-18  Paolo Bonzini  <bonzini@gnu.org>

        * c4x.c (legitimize_operands): Remove calls to
        preserve_subexpressions_p.

2004-08-18  David Edelsohn  <edelsohn@gnu.org>

        * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
        * defaults.h (MAX_OFILE_ALIGNMENT): ... here.

2004-08-18  Ziemowit Laski  <zlaski@apple.com>

        * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
        Objective-C++ extensions.
        * gengtype.c (get_file_basename): Match entire subdirectory name
        ('cp', 'objc', 'objcp') rather than just its suffix.
        (get_base_file_bitmap): Allow for files to belong to more than one
        language.
        (get_output_file_with_visibility): Treat objc/objc-act.h as a header
        used by more than one front-end.

2004-08-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
        avoid use of preserve_subexpressions_p.

2004-08-17  Richard Henderson  <rth@redhat.com>

        PR 17051
        * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.

2004-08-17  DJ Delorie  <dj@redhat.com>

        * doc/extend.texi: Document new xstormy16 attribute.

        * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
        (xstormy16_splittable_below100_or_register): New.
        (combine_bnp): New.
        (xstormy16_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.

        * config/stormy16/stormy16.md (movqi_internal): Make name public.
        (movhi_internal): Likewise.
        (cbhranchhi): Likewise.
        (cbhranchhi_neg): Likewise.
        (andhi3): Only allow splittable below100 operands.
        (iorhi3): Likewise.
        (peephole2): New and/zero_extend->and peephole.
        (peephole2): New load/ior/save->set1 peephole.
        (peephole2): New load/and/save->clr1 peephole.
        (bclrx, bclrx2, bclr7, bclr15): New.
        (bsetx, bsetx2, bset7, bset15): New.

        * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
        liberal about acceptable 'B' masks.

        * config/stormy16/stormy16-protos.h
        (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
        (PREDICATE_CODES): Add new predicates.

        * config/stormy16/stormy16.c
        (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
        xstormy16_below100_operand, xstormy16_below100_or_register,
        xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
        (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
        (xstormy16_legitimate_address_p): Allow below100 symbols.
        (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
        (xstormy16_expand_move): Leave below100 operands as-is.
        (xstormy16_encode_section_info): Encode below100 symbols.
        (xstormy16_strip_name_encoding): New.
        (xstormy16_print_operand): Print 'b' as shift mask.
        (xstormy16_attribute_table): Add below100 attributes.
        (xstormy16_handle_below100_attribute): New.

        * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
        (XSTORMY16_SECTION_FUNCTION): New.
        (EXTRA_SECTION_FUNCTIONS): Define using the above.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
        (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
        (ASM_OUTPUT_LABELREF): Define.

        * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
        (movhi_internal): Add below100 support.
        (andhi3): Add below100 support.
        (iorhi3): Add below100 support.
        (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.

2004-08-17  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
        of VOIDmode for comparison code mode.
        * config/mips/mips.md: For conditional move patterns, use mode of
        first compare operand for comparison mode, instead of VOIDmode.

        * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
        normal and -ffast-math code.

2004-08-17  Mark Mitchell  <mark@codesourcery.com>

        PR c++/15871
        * doc/invoke.texi (-fkeep-inline-functions): Update documentation.

2004-08-17  Robert Bowdidge  <bowdidge@apple.com>

        * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.

2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>

        * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
        for non Darwin targets.
        (*call_value_nonlocal_darwin64): Likewise.

2004-08-17  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_function_value): Check for
        altivec mode for altivec return register.

2004-08-17  David Edelsohn  <edelsohn@gnu.org>

        Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
        Darwin bits.

2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
        trees.
        * tree-vectorizer.h: New File: Same.
        * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
        * common.opt (ftree-vectorize): New flag to enable vectorization.
        * timevar.def (TV_TREE_VECTORIZATION): New dump file for
        vectorization pass.
        * tree-data-ref.h (init_data_ref): Additional argument.
        (array_base_name_differ_p): Moved to tree-data-ref.c.
        * tree-data-ref.c (array_base_name_differ_p): Revised.
        (initialize_data_dependence_relation): Call array_base_name_differ_p
        with an extra argument.
        (analyze_all_data_dependences): Same.
        (init_data_ref): Additional argument is_read to set DR_IS_READ.
        * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
        file.
        * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
        * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
        * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
        vectorization pass.
        * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
        (tree_ssa_loop_done): Call scev_finalize.
        (tree_vectorize): Define the new vectorization pass.
        * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
        size of the vector they support (until support for multiple vector
        sizes is added to the vectorizer).
        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
        * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
        * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
        documentation.

2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>

        * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
        usage.
        (generate_protocol_list, handle_impent): Likewise.

2004-08-17  Roger Sayle  <roger@eyesopen.com>

        * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
        ensure that call_used_regs is a superset of both fixed_regs and
        call_really_used_regs.

2004-08-17  Daniel Bornstein  <danfuzz@milk.com>

        PR target/17019
        * arm.md (addsi3_cbranch_scratch): Correct case labels.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/17036
        * fold-const.c (fold): Check for integer operand when
        folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
        Pinski  <pinskia@physics.uc.edu>.

2004-08-17  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
        No need to check if in a cross configuration.
        * configure: Regenerate.

        * calls.c (precompute_register_parameters):
        Inline preserve_subexpressions_p ().
        * expmed.c (expand_mult_const, emit_store_flag): Likewise.
        * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
        Likewise.
        * expr.c (get_subtarget): Likewise.
        * rtl.h (preserve_subexpressions_p): Remove.
        * stmt.c (preserve_subexpressions_p): Remove.

        * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
        TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
        Abort on gimplified cases.

2004-08-16  James E Wilson  <wilson@specifixinc.com>

        * tree.h (VECTOR_FLOAT_TYPE_P): New.
        (FLOAT_TYPE_P): Use it.
        * c-typeck.c (build_binary_op): After convert calls, check for
        check for ERROR_MARK operands.

2004-08-16  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
        (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
        (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
        (genobjs static pattern rule): Remove %.c dependency.
        ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
        Rename rules; delete commands; fix dependencies.
        (mostlyclean): Do not delete temporary source copies.
        * configure.ac: Delete all references to BUILD_PREFIX and
        BUILD_PREFIX_1.
        * configure: Regenerate.

        * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
        Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
        basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
        with #ifndef GENERATOR_FILE so that nothing from those headers
        is used.

        * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.

2004-08-16  Adam Nemet  <anemet@lnxw.com>

        * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).

2004-08-16  Andrew Pinski  <apinski@apple.com>

        * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
        extraneous semicolon.

2004-08-16  Devang Patel  <dpatel@apple.com>

        * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
        * print-tree.c (print_node): Print DECL_PRESERVE_P.
        * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
        (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
        * target.h (struct gcc_target): New member, mark_decl_preserved.
        * hooks.c (hook_void_charptr): Rename to ...
        (hook_void_constcharptr): ... new name.
        * hooks.h (hook_void_charptr): Rename to ..
        (hook_void_constcharptr): ... new name.
        * tree.h (DECL_PRESERVE_P): New #define.
        (struct tree_decl): New member, preserve_flag.
        * varasm.c (assemble_start_function): Mark decl preserved.
        (assemble_variable): Same.
        * darwin.c (darwin_mark_decl_preserved): New function.
        * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
        * darwin-protos.h (darwin_mark_decl_preserved): New decl.
        * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (grokdeclarator): Allow for function definition where
        innermost declarator has attributes.

2004-08-16  Fariborz Jahanian <fjahanian@apple.com>

        * except.c (get_exception_filter, build_post_landing_pads,
        dw2_build_landing_pads): Use target-specific mode for 'filter'.
        * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
        * target.h (eh_return_filter_mode): New field added.
        * targhooks.c (default_eh_return_filter_mode): Defined.
        * targhooks.h (default_eh_return_filter_mode): Declared.
        * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
        ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
        * configure: Regenerate.

2004-08-16  Stan Shebs  <shebs@apple.com>

        Basic support for 64-bit Darwin.
        * config/darwin.c (macho_indirect_data_reference): Add DImode case.
        (machopic_legitimize_pic_address): Similarly, plus use Pmode
        instead of SImode.
        * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
        (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
        (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
        (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
        (PROCESSOR_DEFAULT64): Define.
        * config/rs6000/darwin.md: New file, patterns specific to 64-bit
        Darwin.
        * config/rs6000/rs6000.md: Include darwin.md.
        (builtin_setjmp_receiver): Add DImode case.
        * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
        Darwin.
        (TARGET_ASM_ALIGNED_DI_OP): Ditto.
        (rs6000_emit_move): Add DImode case to Darwin bits.
        (machopic_output_stub): Use .quad if 64-bit.
        * invoke.texi: Document -m32 and -m64.

2004-08-16  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (AltiVec builtins): Document additional differences
        from the Motorola AltiVec PIM.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

        * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
        * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
        (struct tree_common): Update public_flag documentation.

2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Check for artificial variables, not is_gimple_tmp_var.
        * tree-ssa-live.c (var_union): Likewise.

2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>

        * calls.c (load_register_parameters): Remove spurious FIXME token.

2004-08-15  Ziemowit Laski  <zlaski@apple.com>

        * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
        (c-lang.o): Depend on c-objc-common.h.
        (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
        c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
        * c-lang.c: Include c-objc-common.h.
        (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
        LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
        LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
        LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
        LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
        LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
        LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
        LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
        LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
        LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
        LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
        LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
        LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
        LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
        LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
        LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
        LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
        LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
        LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
        LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
        LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
        LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
        Move to c-objc-common.h.
        * c-objc-common.c: Include c-objc-common.h.
        * c-objc-common.h: New file.

2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/14931
        * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
        style.

2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (build_int_cst): New.
        (build_int_2): Remove.
        * tree.c (build_int_2): Remove.
        (build_int_cst): New.
        (make_vector_type, build_common_tree_nodes,
        build_common_tree_nodes_2): Use build_int_cst.
        * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
        expand_builtin_strpbrk, expand_builtin_fputs,
        build_string_literal, expand_builtin_printf,
        expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
        fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
        fold_builtin_isdigit, simplify_builtin_strstr,
        simplify_builtin_strpbrk, fold_builtin_fputs,
        simplify_builtin_sprintf): Use build_int_cst.
        * c-common.c (start_fname_decls, fix_string_type,
        c_common_nodes_and_builtins, c_init_attributes,
        shorten_compare): Likewise.
        * c-decl.c (complete_array_type,
        check_bitfield_type_and_width): Likewise.
        * c-lex.c (interpret_integer, lex_charconst): Likewise.
        * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.
        * c-typeck.c (really_start_incremental_init, push_init_level,
        set_nonincremental_init_from_string): Likewise.
        * calls.c (load_register_parameters): Likewise.
        * convert.c (convert_to_pointer): Likewise.
        * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
        build_fn_info_type, build_ctr_info_value, build_gcov_info):
        Likewise.
        * except.c (init_eh, assign_filter_values, assign_filter_values):
        Likewise.
        * expmed.c (store_fixed_bit_field, extract_bit_field,
        extract_fixed_bit_field, extract_split_bit_field, expand_shift,
        expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
        expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
        * expr.c (convert_move, emit_group_load, emit_group_store,
        expand_assignment, store_constructor, store_field,
        expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
        * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
        invert_truthvalue, optimize_bit_field_compare,
        decode_field_reference, all_ones_mask_p, constant_boolean_node,
        fold_div_compare, fold, fold_read_from_constant_string,
        fold_negate_const, fold_abs_const, fold_not_const): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value, expand_end_case_type,
        estimate_case_costs): Likewise.
        * stor-layout.c (layout_type, initialize_sizetypes,
        set_min_and_max_values_for_integral_type): Likewise.
        * tree-chrec.c (chrec_fold_multiply_poly_poly,
        reset_evolution_in_loop): Likewise.
        * tree-chrec.h (build_polynomial_chrec): Likewise.
        * tree-complex.c (build_replicated_const): Likewise.
        * tree-eh.c (honor_protect_cleanup_actions,
        lower_try_finally_onedest, lower_try_finally_copy,
        lower_try_finally_switch): Likewise.
        * tree-mudflap.c (mf_build_string, mx_register_decls,
        mudflap_register_call, mudflap_enqueue_constant): Likewise.
        * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
        Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-niter.c (number_of_iterations_cond,
        loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
        Likewise.

        * config/alpha/alpha.c (alpha_initialize_trampoline,
        alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
        * config/arm/arm.c (arm_get_cookie_size): Likewise.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/i860/i860.c (i860_va_start): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
        mips_gimplify_va_arg_expr): Likewise.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
        add_compiler_branch_island): Likewise.
        * config/s390/s390.c (s390_va_start): Likewise.
        * config/sh/sh.c (sh_va_start): Likewise.
        * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
        Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start,
        xtensa_gimplify_va_arg_expr): Likewise.

        * objc/objc-act.c (build_objc_string_object,
        build_objc_symtab_template, init_def_list, init_objc_symtab,
        init_module_descriptor, generate_static_references,
        build_selector_translation_table, get_proto_encoding,
        build_typed_selector_reference, build_selector_reference,
        build_next_objc_exception_stuff,
        build_method_prototype_list_template, generate_descriptor_table,
        generate_protocols, build_protocol_initializer,
        build_ivar_list_template, build_method_list_template,
        build_ivar_list_initializer, generate_ivars_list,
        generate_dispatch_table, generate_protocol_list,
        build_category_initializer, build_shared_structure_initializer,
        generate_shared_structures, handle_impent,
        generate_objc_image_info): Use build_int_cst.

2004-08-15  Ben Elliston  <bje@au.ibm.com>

        * vec.h: Comment improvements.

2004-08-14  Roger Sayle  <roger@eyesopen.com>

        * c-common.c (shorten_compare, pointer_int_sum,
        c_common_truthvalue_conversion, boolean_increment): Replace calls
        to build with calls to buildN.
        * c-decl.c (complete_array_type, grokdeclarator): Likewise.
        * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
        gimplify_switch_stmt): Likewise.
        * c-typeck.c (default_function_array_conversion,
        build_component_ref, build_array_ref, build_function_call,
        pointer_diff, build_unary_op, build_conditional_expr,
        build_compound_expr, build_modify_expr, c_finish_goto_label,
        c_finish_goto_ptr, c_finish_return, c_finish_loop,
        c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
        build_binary_op): Likewise.

2004-08-15  Steven Bosscher  <stevenb@suse.de>

        * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
        curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
        * fixinc/fixincl.x: Rebuilt.

2004-08-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_symbolic_constant_p)
        (mips_atomic_symbolic_constant_p, mips_stack_address_p)
        (mips_small_data_pattern_p): Declare.
        * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
        (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
        * config/mips/mips.c (mips_symbolic_constant_p): Make global.
        (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
        (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
        (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
        (reg_or_const_float_1_operand, hilo_operand, extend_operator)
        (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
        (pc_or_label_operand, call_insn_operand, move_operand)
        (consttable_operand, symbolic_operand, general_symbolic_operand)
        (global_got_operand, local_got_operand, stack_operand)
        (fp_register_operand, lo_operand, fcc_register_operand): Delete.
        (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
        (mips_small_data_pattern_p): Replace previous small_data_pattern
        predicate.  Turn into a bool () (rtx) function.
        * config/mips/predicates.md: New file.
        * config/mips/mips.md: Include it.  Use the target-independent
        comparison_operator instead of cmp_op.  Rename trap_cmp_op to
        trap_comparison_operator and equality_op to equality_operator.
        Replace uses of small_int with the equivalent const_arith_operand.
        Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
        const_float_1_operand to const_1_operand.  Rename fcc_register_operand
        to fcc_reload_operand.
        * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.

2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libstdc++/17005 partial fix.
        * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
        except when generating ANSI/C89 code.

2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (shorten_compare): Use force_fit_type directly.

2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
            Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
            Dave Korn  <dk@artimi.com>

        * doc/install.texi (Building): Avoid duplicate reference to GNU
        make requirement.
        (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.

2004-08-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
        * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
        for constant_call_address_operand.
        (call_value_pop_1, call_value_1): Likewise.
        (sibcall_value_1, call_value_1_rex64): Likewise.

2004-08-13  James E Wilson  <wilson@specifixinc.com>

        * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
        Correct mode from SFmode to DFmode.

2004-08-13  Ziemowit Laski  <zlaski@apple.com>

        * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
        __cstring_object and __image_info sections with the no_dead_strip
        attribute.

2004-08-13  Roger Sayle  <roger@eyesopen.com>
            David Billinghurst  <David.Billinghurst@riotinto.com>

        PR libgfortran/15930
        * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/internal/math_core.h: New file.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
        (dbxout_function_end): Remove ifdefs for it.
        (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.

2004-08-13  Richard Henderson  <rth@redhat.com>

        * Makefile.in (insn-preds.o): Depend on TREE_H.
        * genpreds.c (write_insn_preds_c): Include tree.h.
        * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
        reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
        const48_operand, and_operand, or_operand, mode_width_operand,
        mode_mask_operand, mul8_operand, const0_operand,
        hard_fp_register_operand, hard_int_register_operand,
        reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
        samegp_function_operand, direct_call_operand, small_symbolic_operand,
        global_symbolic_operand, call_operand, symbolic_operand,
        dtp16_symbolic_operand, dtp32_symbolic_operand,
        gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
        gottp_symbolic_operand, alpha_comparison_operator,
        alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
        signed_comparison_operator, alpha_fp_comparison_operator,
        divmod_operator, fix_operator, aligned_memory_operand,
        unaligned_memory_operand, reg_or_unaligned_mem_operand,
        any_memory_operand, reg_not_elim_operand, normal_memory_operand,
        reg_no_subreg_operand, addition_operation): Move to predicates.md.
        (reg_or_const_int_operand): Remove.  Replace all users with
        reg_or_cint_operand.
        (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
        (resolve_reload_operand): Split out of aligned_memory_operand.
        * config/alpha/alpha-protos.h: Update for exports.
        * config/alpha/alpha.h (PREDICATE_CODES): Remove.
        * config/alpha/alpha.md: Include predicates.md.
        * config/alpha/predicates.md: New file.

2004-08-13  Richard Sandiford  <rsandifo@redhat.com>

        * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
        fields with a pointer to the instruction definition.
        (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
        (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
        (write_attr_case, write_const_num_delay_slots): Update accordingly.
        (write_attr_case, write_const_num_delay_slots): Write the name of
        an insn next to its case statement.
        * genoutput.c (data): Add a filename field.
        (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
        (output_insn_data): Print the location of each insn definition.
        * genrecog.c (write_action): Print the name of an insn above
        the statement that returns its code.

2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
        * config/libgloss.h: Likewise.
        * config/arm/arm.c (arm_gen_load_multiple): Likewise.
        * c4x/c4x-modes.def: Likewise.
        * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
        (c4x_rptb_nop_p): Likewise.
        (c4x_rptb_valid_p): Likewise.
        (c4x_rptb_insert): Likewise.
        (c4x_address_conflict): Likewise.
        * config/c4x/c4x.md: Likewise.
        * config/frv/frv.md: Likewise.
        * config/i386/athlon.md: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/predicates.md: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/itanium1.md: Likewise.
        * config/ia64/itanium2.md: Likewise.
        * config/iq2000/iq2000.md: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/r3900.h: Likewise.
        * config/mips/sb1.md: Likewise.
        * config/pa/milli64.S: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rs6000/8540.md: Likewise.

2004-08-13  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.

2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (cbranch define_delay) Use cond_delay_slot for
        non-anulled condition too.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        any_parallel_operand, lmw_operation, stmw_operation,
        mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
        * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
        any_parallel_operand.
        (return_and_restore_fpregs_{si,di}): Same.

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

        * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
        if pred->singleton != PARALLEL, issue a warning and pretend it was.
        Also issue a warning for any predicate we don't know about.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (internal_label_prefix): Export.
        (internal_label_prefix_len, struct ix86_address,
        ix86_decompose_address, maybe_get_pool_constant,
        ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
        memory_address_length): Export.
        (any_fp_register_operand, fp_register_operand,
        register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
        x86_64_general_operand, x86_64_szext_general_operand,
        x86_64_nonmemory_operand, x86_64_movabs_operand,
        x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
        x86_64_zext_immediate_operand, const_int_1_31_operand,
        symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
        tls_symbolic_operand, global_dynamic_symbolic_operand,
        local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
        local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
        constant_call_address_operand, const0_operand, const1_operand,
        const248_operand, const_0_to_3_operand, const_0_to_7_operand,
        const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
        shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
        general_no_elim_operand, nonmemory_no_elim_operand,
        index_register_operand, q_regs_operand, flags_reg_operand,
        non_q_regs_operand, zero_extended_scalar_load_operand,
        vector_move_operand, no_seg_address_operand, sse_comparison_operator,
        ix86_comparison_operator, ix86_carry_flag_operator,
        fcmov_comparison_operator, promotable_binary_operator,
        cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
        mult_operator, div_operator, arith_or_logical_operator,
        memory_displacement_operand, cmpsi_operand, long_memory_operand,
        aligned_operand): Move to predicates.md as define_predicates.
        (tls_symbolic_operand_1): Remove.
        (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
        (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
        (legitimize_address): Merge tls_symbolic_operand contents.
        (ix86_expand_move): Likewise.
        * config/i386/i386-protos.h: Update for exports.
        * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
        (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
        * config/i386/i386.md: Include predicates.md.
        * config/i386/predicates.md: New file.

2004-08-13  Mark Mitchell  <mark@codesourcery.com>

        PR c++/16924
        * config/i386/winnt.c (i386_pe_mark_dllexport): Set
        SYMBOL_REF_DECL.
        (i386_pe_mark_dllimport): Likewise.
        (i386_pe_encode_section_info): Likewise, when overriding
        dllimport attribute.

2004-08-12  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: When testing for flex, nm, ar, and bison, check
        that they will actually be built.
        * configure: Regenerate.

2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
        (MOVE_MAX_PIECES): Define.

2004-08-12  Devang patel  <dpatel@apple.com>

        * dbxout.c (dbxout_begin_prologue): New function.
        (dbx_debug_hooks): Use new begin prologue hook.
        (dbxout_function_end): Emit N_ENSYM.
        * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-12  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
        argument is float*.

        * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
        for vec_dss.

        * doc/extend.texi (AltiVec builtins): Fix description for recent
        changes.  Update operation list to match current support.

2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct s390_frame_layout): New struct as element
        of struct machine_function.
        (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
        changed all uses.
        (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
        changed all uses.
        (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
        (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
        (s390_frame_area, s390_register_info): New functions.
        (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
        for base register.
        (s390_return_addr_rtx, s390_return_address_offset)
        (s390_va_start, s390_gimplify_va_arg)
        (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
        layouts.
        (s390_frame_info): Functionality partly moved to s390_register_info.
        Made adaptions for new stack layout.
        (save_gprs, restore_gprs): Changed meaning of second parameter and
        adapted all callers.

        * config/s390/s390.h (s390_backchain_string): New global variable.
        (MASK_BACKCHAIN): Removed definition.
        (TARGET_BACKCHAIN): Changed check.
        (TARGET_KERNEL_BACKCHAIN): New macro.
        (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
        (TARGET_OPTIONS): Added "backchain", "no-backchain" and
        "kernel-backchain".
        (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.

        * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
        as condition.  Adjusted for new stack layout.

        * doc/invoke.texi: Added documentation for new option
        "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
        "-mno-backchain".

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
        (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.

2004-08-12  David Daney  <ddaney@avtrex.com>

        * java/gcj.texi:  Add subsection on signal usage.

2004-08-12  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (move_by_pieces): Set alignment for move to minimum of
        MOVE_MAX_PIECES mode alignment and the largest non-slow mode
        alignment, but not less than the original alignment.
        (move_by_pieces_ninsns): Same.
        (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
        (store_by_pieces_1): Same.

2004-08-12  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16867
        * tree.c (is_global_var): New function.
        (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
        Call is_global_var.
        * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
        Update all users.
        (is_global_var): Declare.
        * tree-dfa.c (dump_variable): Display global and addressable
        attributes.
        (add_referenced_var): Clarify documentation when marking
        variables call-clobbered.
        * tree-flow-inline.h (is_call_clobbered): Call is_global_var
        instead of needs_to_live_in_memory.
        (mark_call_clobbered): If the variable is a tag, mark it
        DECL_EXTERNAL.
        * tree-gimple.c (is_gimple_reg): Don't check for
        TREE_ADDRESSABLE.
        (is_gimple_non_addressable): Likewise.
        * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
        needs to be marked call-clobbered.
        (setup_pointers_and_addressables): Call is_global_var instead
        of needs_to_live_in_memory.
        * tree-ssa-dce.c (need_to_preserve_store): Remove.
        Update all users with is_global_var.
        (mark_stmt_if_obviously_necessary): Fix processing of aliased
        stores.  Don't check the virtual definitions.  Rather, check
        whether the store is going into global memory.
        (find_obviously_necessary_stmts): Get the symbol from the PHI
        result.
        * tree-ssa-operands.c (get_call_expr_operands): Do not add
        clobbering may-defs if the call does not have side effects.

2004-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/16276
        * output.h (default_function_rodata_section,
        default_no_function_rodata_section): New prototypes.
        * target.h (struct gcc_target): Add asm_out.function_rodata_section.
        * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
        (TARGET_ASM_OUT): Add it.
        * varasm.c (default_function_rodata_section,
        default_no_function_rodata_section): New functions.
        * final.c (final_scan_insn): Call
        targetm.asm_out.function_rodata_section instead of
        readonly_data_section.
        * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
        * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
        Likewise.
        * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
        * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
        frame info.
        * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
        DWARF2_UNWIND_INFO.

2004-08-12  Ben Elliston  <bje@au.ibm.com>

        PR target/16286
        * config/rs6000/altivec.h: Change vector to __vector throughout.
        (Except for the `vector' macro itself).

2004-08-12  Zack Weinberg  <zack@codesourcery.com>

        * genpreds.c: Add capability to generate predicate bodies as
        well as function prototypes.  Write function prototypes for
        the generic predicates too.
        (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
        (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
        (write_match_code, write_predicate_expr, write_one_predicate_function)
        (parse_option): New functions.
        (output_predicate_decls): Delete.
        (main): Read the machine description, process DEFINE_PREDICATE or
        DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
        as appropriate.

        * genrecog.c (struct decision_test): Replace index with
        struct pred_data pointer.
        (next_index): Remove, unused.
        (pred_table, preds, special_mode_pred_table): Delete.
        (compute_predicate_codes, process_define_predicate): New functions.
        (validate_pattern, add_to_sequence, write_switch): Update for
        new data structures.
        (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
        Check both error_count and have_error.

        * gensupport.c (in_fname, first_predicate): New globals.
        (define_pred_queue, define_pred_tail): New RTL-pattern queue.
        (predicate_table, last_predicate, old_pred_table)
        (old_special_pred_table): New statics.
        (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
        (add_predicate, init_predicate_table): New functions.
        (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
        (init_md_reader_args_cb): Use the global in_fname.  No need to zero
        it or max_include_len.  Call init_predicate_table.
        (read_rtx): Run the predicate queue after the attribute queue
        but before all the others.
        * gensupport.h (in_fname, struct pred_data, first_predicate)
        (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
        * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
        (DEFINE_SPECIAL_PREDICATE): New RTL codes.
        * dummy-conditions.c: Don't include bconfig.h, system.h,
        coretypes.h, tm.h, or system.h.  Do include stddef.h.
        Duplicate declaration of struct c_test from gensupport.h.

        * Makefile.in (OBJS-common): Add insn-preds.o.
        (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
        (insn-preds.c, insn-preds.o): New rules.
        (s-preds): Also generate insn-preds.c.
        (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
        Update dependencies.
        (print-rtl.o, print-rtl1.o): Correct dependencies.

        * recog.h: Delete prototypes of predicate functions.

        * doc/md.texi (Predicates): New section with complete
        documentation of operand/operator predicates.  Remove some
        incomplete documentation of predicates from other places.
        * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
        PREDICATE_CODES; indicate that both are deprecated in favor
        of define_predicate/define_special_predicate.

        * config/ia64/ia64.c: All predicate function definitions moved
        to ia64.md, except
        (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
        (ia64_expand_load_address, ia64_expand_move):
        Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.

        * config/ia64/ia64.md: All predicates now defined here.
        (symbolic_operand): Is now a special predicate.

        * config/ia64/ia64.h: Declare ia64_section_threshold.
        (PREDICATE_CODES): Delete.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
        * c-semantics.c (add_stmt): Set it.
        * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
        before instantiating a variable sized type.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (round_up, round_down): Move ...
        * fold-const.c (round_up, round_down): ... here.  Use
        multiple_of_p to avoid any arithmetic at all.

2004-08-12  Richard Henderson  <rth@redhat.com>

        * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
        (gimplify_init_ctor_preeval_1): New.
        (gimplify_init_ctor_preeval): New.
        (gimplify_init_ctor_eval): New.
        (gimplify_init_constructor): Use them.  Always gimplify the LHS
        object first.

2004-08-12  Ziemowit Laski  <zlaski@apple.com>

        (This patch is part of merge of objc-improvements-branch
        into mainline.)

        * doc/frontends.texi: Mention Objective-C++ in addition to
        Objective-C.
        * doc/install.texi: Add 'obj-c++' to list of configurable
        languages.
        * doc/invoke.texi: Rename Objective-C option headings to
        indicate they also apply to Objective-C++.  List file
        extensions for Objective-C++ sources.  Mention that
        ObjC and ObjC++ compilations may also use C and C++ options,
        respectively.  Point users to doc/standards.texi for
        further info on ObjC and ObjC++.
        * doc/sourcebuild.texi: Mention the objcp/ directory and
        the Objective-C++ sources it contains.
        * doc/standards.texi: Update link to Apple ObjC site;
        add link to gcc readings.html WWW doc.

2004-08-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
        and 2004-07-14 changes.

2004-08-12  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Fix typo.

2004-08-11 Devang Patel  <dpatel@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
        and -no_dead_strip_inits_and_terms.
        (LINK_SPEC): Same.
        * doc/invoke.texi (Darwin Options): Document -dead_strip and
        -no_dead_strip_inits_and_terms.

2004-08-11  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
        (arm_load_pic_register): ... to this.
        * config/arm/arm.c (arm_finalize_pic): Rename ...
        (arm_load_pic_register): ... to this.  Always output insns at the
        current location.  Load via low reg in thumb mode.
        (arm_expand_prologue): Call arm_load_pic_register.
        (thumb_expand_prologue): Ditto.
        * config/arm/arm.h (FINALIZE_PIC): Remove.
        * config/arm/arm.md (builtin_setjmp_receiver): Call
        arm_load_pic_register.

2004-08-11  Paul Brook  <paul@codesourcery.com>

        * arm.c (thumb_force_lr_save): Add prototype.
        (thumb_compute_save_reg_mask): New function.
        (thumb_find_work_register): New function.
        (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
        (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
        Don't clobber r3 when removing pretend args.
        (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
        (thumb_output_function_prologue): Use new functions.
        (thumb_set_return_address): Use thumb_compute_save_reg_mask.
        * arm.h (THUMB_REG_PUSHED_P): Remove.

2004-08-11  James E Wilson  <wilson@specifixinc.com>

        PR rtl-optimization/16490
        * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
        global_live_at_end for new basic block if already set for other blocks.

2004-08-11 David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.

        * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
        (mfcr rlwinm rlwinm patterns): Set length to 12.

2004-08-11  Andrew MacLeod  <amacleod@redhat.com>

        * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
        get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
        (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
        (start_ssa_stmt_operands): Delete.
        * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
        struct stmt_operands_d.
        (build_ssa_operands): New extern entry point.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
        building code, replace with create_ssa_artficial_load_stmt().
        * tree-ssa-operands.c (struct voperands_d): Delete.
        (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
        (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
        (free_uses, free_defs, free_vuses, free_v_may_defs,
        free_v_must_defs): Remove dealloc parameter.
        (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
        (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
        finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
        vector comparisons, ssa_name reuse, and allocations here.
        (verify_start_operands): Delete.
        (finalize_ssa_stmt_operands): Set new operands by calling finalize
        routines.
        (start_ssa_stmt_operands): Move from tree-flow-inline.h.
        (append_def, append_usei): Simplify to simple accumulation.
        (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
        duplicates and simple accumulation.
        (free_ssa_operands): Free vectors in a stmt_operand structure.
        (build_ssa_operands): New. Create a new stmt_operand structure from
        a stmt and an old set of stmt_operands.
        (get_stmt_operands): Simplify and call build_ssa_operands.
        (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
        get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
        add_call_read_ops): Don't pass prev_vops around anymore.
        (note_addressable): Return if no stmt annotation.
        (copy_virtual_operands): Access v_may_def operands through a struct.
        (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
        hash tables without treating the stmt as a real stmt.
        * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
        v_may_def def and use through a struct instead of 2 array elements.
        (struct v_may_def_optype_d): Use v_may_def_operand_type.
        (struct stmt_operands_d): New.  Struct for storing all operand vectors.

2004-08-11  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_is_longcall_p): Update comment describing
        this funciton's behaviour.  Return true when the current function
        has a section attribute and -mlong-calls is in effect.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
        short-call marker when -mlong-calls is in effect and the function
        has a section attribute.

2004-08-10  Zack Weinberg  <zack@codesourcery.com>

        * stmt.c (expand_return): If asked to return the RESULT_DECL,
        just call expand_value_return on result_rtl.

2004-08-10  Richard Henderson  <rth@redhat.com>

        * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
        * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
        * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
        (add_location_or_const_value_attribute): ... not here.  Use
        loc_descriptor_from_tree if possible.
        (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
        Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
        values specially.
        (loc_descriptor_from_tree): New.  Update callers.
        * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
        * gimplify.c (gimplify_decl_expr): Lower variable sized types to
        pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
        (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
        and BUILT_IN_STACK_RESTORE.
        (gimplify_expr): Lower DECL_VALUE_EXPR decls.
        * stmt.c (expand_stack_alloc): Remove.
        * tree-mudflap.c (mx_register_decls): Don't look for
        BUILT_IN_STACK_ALLOC.
        * tree-nested.c (convert_local_reference): Likewise.
        * tree.h (DECL_VALUE_EXPR): New.

2004-08-10  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (round_up): Check for 0/1 before dividing.
        (round_down): Likewise.

        * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.

2004-08-09  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-eabi*): New target.
        * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
        (TARGET_LIB_INT_CMP_BIASED): Likewise.
        * expmed.c (expand_divmod): Try a two-valued divmod function as a
        last resort.
        * gthr.h: Remove bogus tokens at end of #pragma.
        * optabs.c (expand_twoval_binop_libfunc): New function.
        (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
        (prepare_float_lib_cmp): Try reversing the condition.
        (debug_optab_libfuncs): New function.
        * optabs.h (expand_twoval_binop_libfunc): Declare.
        * config/arm/arm.c (arm_init_libfuncs): New function.
        (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
        (TARGET_INIT_LIBFUNCS): Define it.
        * config/arm/arm.h (TARGET_BPABI): New macro.
        * config/arm/arm-protos.h
        (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
        * config/arm/bpabi.S: New file.
        * config/arm/bpabi.c: Likewise.
        * config/arm/bpabi.h: Likewise.
        * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
        (__aeabi_drsub): Likewise.
        (__aeabi_dsub): Likewise.
        (__aeabi_dadd): Likewise.
        (__aeabi_ui2d): Likewise.
        (__aeabi_i2d): Likewise.
        (__aeabi_f2d): Likewise.
        (__aeabi_dmul): Likewise.
        (__aeabi_ddiv): Likewise.
        (__aeabi_cdrcmple): Likewise.
        (__aeabi_cdcmpeq): Likewise.
        (__aeabi_cdcmple): Likewise.
        (__aeabi_dcmpeq): Likewise.
        (__aeabi_dcmplt): Likewise.
        (__aeabi_dcmple): Likewise.
        (__aeabi_dcmpge): Likewise.
        (__aeabi_dcmpgt): Likewise.
        (__aeabi_dcmpun): Likewise.
        (__aeabi_d2iz): Likewise.
        (__aeabi_d2uiz): Likewise.
        (__aeabi_d2f): Likewise.
        * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
        (__aeabi_frsub): Likewise.
        (__aeabi_fsub): Likewise.
        (__aeabi_fadd): Likewise.
        (__aeabi_ui2f): Likewise.
        (__aeabi_i2f): Likewise.
        (__aeabi_fmul): Likewise.
        (__aeabi_fdiv): Likewise.
        (__aeabi_cfrcmple): Likewise.
        (__aeabi_cfcmpeq): Likewise.
        (__aeabi_cfcmple): Likewise.
        (__aeabi_fcmpeq): Likewise.
        (__aeabi_fcmplt): Likewise.
        (__aeabi_fcmple): Likewise.
        (__aeabi_fcmpge): Likewise.
        (__aeabi_fcmpgt): Likewise.
        (__aeabi_fcmpun): Likewise.
        (__aeabi_f2iz): Likewise.
        (__aeabi_f2uiz): Likewise.
        * config/arm/lib1funcs.asm (ARM_CALL): New macro.
        (__aeabi_uidivmod): New function or alias.
        (__aeabi_idivmod): Likewise.
        (__aeabi_idiv0): Likewise.
        (__aeabi_ldiv0): Likewise.
        (__aeabi_llsr): Likewise.
        (__aeabi_lasr): Likewise.
        (__aeabi_llsl): Likewise.
        (bpabi.S): Include it.
        * config/arm/libgcc-bpabi.ver: New file.
        * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
        (LINK_SPEC): Remove.
        * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
        __aeabi_ulcmp.
        * config/arm/t-bpabi: New file.
        * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
        (TARGET_LIB_INT_CMP_BIASED): Likewise.

2004-08-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
        * config/rs6000/rs6000.md (clrmemsi): New pattern.
        * config/rs6000/rs6000.c (expand_block_clear): New function.
        (expand_block_move): Convert alignment to bits.  Use SImode and
        HImode for unaligned addresses if not STRICT_ALIGNMENT.

2004-08-10  Caroline Tice  <ctice@apple.com>

        * varasm.c (unlikely_section_label): New global variable.
        (unlikely_text_section_name): New global variable.
        (text_section):  Remove alignment statement.
        (unlikely_text_section): Remove alignment statement; use
        unlikely_section_label rather than hard-coded string.
        (assemble_start_function): Initialize unlikely_section_label and
        unlikely_text_section_name;  make sure cold section is properly
        aligned at start of function; output unlikely_section_label if
        appropriate.

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

        * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
        * config/s390/s390.c (s390_canonicalize_comparison): New function.
        * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
        * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
        "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
        ("*tmqi_mem"): Remove SUBREG from pattern.
        ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
        ("*andsi3_cconly"): Likewise.

2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/16909
        * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.

2004-08-10  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (compat testing): Document available test
        framework commands.  Use the preferred spelling of DejaGnu.

2004-08-10  Daniel Berlin <dberlin@dberlin.org>

        * lambda.h: Add matrix type, and prototypes for remainder of
        matrix and vector functions.
        (lambda_vector_mult_const): New function.
        (lambda_vector_negate): Ditto.
        (lambda_vector_add): Ditto.
        (lambda_vector_add_mc): Ditto.
        (lambda_vector_copy): Ditto.
        (lambda_vector_zerop): Ditto.
        (lambda_vector_equal): Ditto.
        (lambda_vector_min_nz): Ditto.
        (lambda_vector_first_nz): Ditto.
        (lambda_vector_matrix_mult): Ditto.
        * lambda-mat.c: New file.
        * Makefile.in (lambda-mat.o): New.

2004-08-10  Andrew MacLeod  <amacleod@redhat.com>

        * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
        after linking stmt into the program.
        (bsi_remove): Don't call modify_stmt.
        * tree-complex.c (update_complex_assignment,
        expand_complex_comparison): Call modify_stmt after changing the stmt.
        * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
        removing the stmt.
        * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
        the stmt, and only if needed.
        * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
        expression.
        (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
        (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
        (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
        (eliminate_redundant_computations): Don't pass an annotation. Call
        modify_stmt rather than setting the annotation directly.
        (record_equivalences_from_stmt): Remove unused local 'j'.
        (cprop_operand): Take a stmt rather than an annotation as a parameter.
        Call modify_stmt.
        (cprop_into_stmt): Pass stmt rather than annotation.
        (update_rhs_and_lookup_avail_expr): Call modify_stmt.
        * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
        modify_stmt.
        * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.

2004-08-10  Jason Merrill  <jason@redhat.com>

        PR middle-end/16948
        * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
        the RESULT_DECL.

2004-08-10  Geoffrey Keating  <geoffk@apple.com>

        * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
        hash function.

2004-08-10  Roger Sayle  <roger@eyesopen.com>

        * config/mips/mips.md: New reciprocal square root patterns that
        match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.

2004-08-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_set_return_address,
        thumb_set_return_address): Add prototypes.
        * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
        * config/arm/arm.c (arm_compute_func_type,
        use_return_insn, arm_compute_save_reg0_reg12_mask,
        arm_compute_save_reg_mask, arm_output_function_prologue,
        arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
        current_function_calls_eh_return.
        (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
        old eh code.
        (arm_set_return_address, thumb_set_return_address): New functions.
        * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
        ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
        * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
        (epilogue): Use the stackadj register.
        (eh_return, arm_eh_return, thumb_eh_return): New pattern.

2004-08-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/3144
        * expr.c (move_by_pieces_ninsns): Add max_size argument.
        (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
        (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
        (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
        but using MOVE_RATIO.
        (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
        (can_store_by_pieces): Change max_size type to unsigned int.
        (store_by_pieces_1): Likewise.  Pass max_size to
        move_by_pieces_ninsns.
        * config/s390/s390.h (STORE_BY_PIECES_P): Define.
        * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
        to move_by_pieces_ninsns.
        (STORE_BY_PIECES_P): Define.
        * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
        to move_by_pieces_ninsns.
        * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.

        * config/i386/i386.h (CLEAR_RATIO): Define.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_expr_real_1): Add back code that was not dead.

2004-08-09  Andrew Pinski  <apinski@apple.com>

        * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
        which is found to be compatible before returning the aliasing set.

2004-08-09  Daniel Jacobowitz  <dan@debian.org>

        * ggc-zone.c (struct alloc_zone): Add statistics counters.
        (always_collect): New flag.
        (ggc_alloc_zone_1): Update statistics support.  Don't include
        overhead in allocated counter.
        (sweep_pages): Update allocated counter for large pages.  Don'y
        include overhead.
        (ggc_collect_1): Always collect.
        (ggc_collect): Honor always_collect flag.  Sum all zones to decide
        whether to collect.
        (SCALE, LABEL): New macros.
        (ggc_print_statistics): Add statistics support.

2004-08-09  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
        (init_expmed): Fix potential overrun problem with "all.reg".
        (expand_sdiv2_pow2): Add an alternate implementation for signed
        division, if the target provides a suitable conditional move insn.

2004-08-09  Paul Brook  <paul@codesourcery.com>
        Richard Henderson  <rth@redhat.com>

        * unwind-dw2.c (uw_install_context_1): Update target saved stack
        pointer.

2004-08-09  Geoffrey Keating  <geoffk@apple.com>

        * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
        Check DATA limit only if there's no AS limit.  Ignore insanely
        low DATA limits.
        (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
        but take care that the AS limit isn't overrun.
        * doc/invoke.texi: Update documentation of min-heapsize parameter.

2004-08-09  Jeff Law  <law@redhat.com>

        * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
        (tree-ssa-threadupdate.o): Add dependencies.
        * tree-ssa-threadupdate.c: New file.
        * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
        (rewrite_vars_out_of_ssa): Remove prototype.
        (cleanup_tree_cfg): Returns a bool.
        * tree.h (thread_through_all_blocks): Prototype.
        * tree-outof-ssa.c  (SSANORM_*): Move into here.
        (remove_ssa_form): Now static.
        (rewrite_vars_out_of_ssa): Kill.
        * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
        * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
        (remove_ssa_form, register_partitions_for_vars): Kill declarations.
        * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
        anything was changed.
        * tree-phinodes.c (add_phi_arg): Get the block for the PHI
        from the PHI's annotation rather than the edge associated with
        the new argument.
        * tree-ssa-dom.c (redirection_edges): Kill.
        (redirect_edges_and_update_ssa_graph): Kill.
        (tree_ssa_dominator_optimize): Do not reset forwardable flag
        for blocks anymore.  Do not initialize redirection_edges.
        Call thread_through_all_blocks.  Simplify code for cleanup
        of the CFG and iterating.  No longer call cleanup_tree_cfg
        outside the iteration loop.
        (thread_across_edge): No longer mess with forwardable blocks.

2004-08-09  Zack Weinberg  <zack@codesourcery.com>

        * explow.c (memory_address): Use memory_address_p.
        * recog.c (general_operand): Likewise.
        * regrename.c: No need to define REG_OK_STRICT.

2004-08-09  Steven Bosscher  <stevenb@suse.de>

        * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
        New timers.
        * gcse.c: Include timevar.h.
        (const_prop_count, copy_prop_count): Rename to global_const_prop_count
        and global_copy_prop_count.
        (local_const_prop_count, local_copy_prop_count): New static globals.
        (gcse_main): Set the right timevar for each pass.
        (cprop_jump): Increment global_const_prop_count when a constant is
        propagated.  Add "GLOBAL" to dump output.
        (cprop_insn): Increment global_const_prop_count when a constant is
        propagated, or global_copy_prop_count when a copy is propagated.
        (do_local_cprop): Likewise for local_const_prop_count and
        local_copy_prop_count.
        (one_cprop_pass): Initialize const/cprop counters to zero.
        Print out results of local and global const/cprop separately.
        (bypass_block): Break over-length line.
        * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
        for bb-reorder.o and tracer.o.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (GTFILES): Remove stmt.c
        (stmt.o): Do not depend on gt-stmt.h.
        * emit-rtl.c (emit_line_note): Do not call
        set_file_and_line_for_stmt.
        * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
        do everything.
        * function.c (free_after_parsing): Do not free STMT field.
        (allocate_struct_function): Do not call init_stmt_for_function.
        (assign_stack_temp_for_type): Do not accept values of keep
        other than 0 or 1.
        (init_temp_slots): Do not initialize removed variables.
        * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
        and X_VAR_TEMP_SLOT_LEVEL fields.
        * rtl.h (set_file_and_line_for_stmt): Remove.
        * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
        struct stmt_status, cond_stack, case_stack, nesting_stack,
        nesting_depth, emit_locus, set_file_and_line_for_stmt,
        same_case_target_p, init_stmt_for_function, emit_nop,
        expand_start_cond, expand_start_elseif, expand_start_else,
        expand_elseif, expand_end_cond): Remove.
        (preserve_subexpressions_p): Remove references to CFUN->STMT.
        (expand_start_case, expand_end_case_type): Remove, merge into...
        (expand_case): ... this one, including other bits from
        expand_expr_real_1.  Inline same_case_target_p.  Turn members
        of CASE_STACK into local variables.
        (emit_case_bit_tests): Inline same_case_target_p.
        (add_case_node): Add HEAD argument, return new head of the list,
        do not handle default label here.
        * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
        expand_start_elseif, current_nesting_level, expand_start_case,
        expand_end_case_type, expand_end_case, add_case_node,
        init_stmt_for_function, expand_elseif): Remove prototypes.
        (expand_case): Add prototype.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_expr_real_1): Use optab_for_tree_code.

2004-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (var_rtx): Remove.
        (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
        LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
        Abort.
        (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
        * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
        * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.

2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
        Ayal Zaks <zaks@il.ibm.com>

        * common.opt (freschedule-modulo-scheduled-loops): New flag.
        * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
        * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
        when -freschedule-modulo-scheduled-loops flag is not specified.
        (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
        add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
        More accurate placing of insn in row of partial schedule.
        (ps_insn_find_column): New function.
        * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
        * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
        (schedule_region): Use sched_is_disabled_for_current_region_p.
        * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.

2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_clrmem): Revert the last
        change.

2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_clrmem): Properly call
        gen_strset for 64bit target.

2004-08-07  Olivier Hainque  <hainque@act-europe.fr>

        * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.

2004-08-07  Jason Merrill  <jason@redhat.com>

        Make return in memory explicit.
        * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
        (assign_parm_find_data_types): Remove code for old front end
        invisible reference handling.
        (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
        (expand_function_end): Likewise.
        * gimplify.c (gimplify_return_expr): Handle a dereferenced
        RESULT_DECL.
        * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
        (declare_return_variable): Handle DECL_BY_REFERENCE.
        * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
        (cp_genericize_r): Use convert_from_reference.
        Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
        (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.

        * c-common.c (c_warn_unused_result): Check TREE_USED before
        warning about a CALL_EXPR with an unused value.

2004-08-06  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
        to the compiler.  Use -fshort-wchar by default.

2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>

        * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
        * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
        threshhold.
        * doc/invoke.texi (param): Document min-crossjump-insns.

2004-08-06  Richard Sandiford  <rsandifo@redhat.com>

        PR c/13282
        * c.opt (Wmissing-field-initializers): New option.
        * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
        * c-typeck.c (pop_init_level): Guard the missing field warning with
        warn_missing_field_initializers rather than extra_warnings.
        * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
        some of the explanation from...
        (-Wextra): ...here.  Say that the missing field warning can be
        seperately controlled by -Wmissing-field-initializers.

2004-08-06  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
        * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
        * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
        * tree.def (ENTRY_VALUE_EXPR): Remove.

2004-08-06  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
        the places where it is actually needed.  Don't use repz; stosb
        for -Os with sufficiently small constant sizes.
        For sufficiently small repz; stos{l,q} repeat counts use a sequence
        of stos{l,q} instructions instead.

2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/16807
        * loop-iv.c (dump_iv_info): Dump invariants correctly.
        (iv_subreg, iv_extend): Express value of invariant purely in
        base field.

2004-08-06  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
        (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.

2004-08-06  Roman Zippel  <zippel@linux-m68k.org>

        * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
        * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
        pre_dec_operand.
        * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
        pattern until reload is finished to allow better code generation
        and split them completely into separate instrunctions.
        (*andsi3_split): New pattern.

2004-08-05  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
        Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
        DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
        * tree.h (handle_dll_attribute): Declare.  Test
        TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
        * c-common.h (c_determine_visibility): Declare.
        * c-common.c (c_determine_visibility): New function.
        * c-decl.c (finish_decl): Use it.
        (finish_function): Likewise.
        * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
        zero, by default.  Use #if, not #ifdef, to test it.
        * config/arm/arm.c (arm_attribute_table): Use
        handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
        #if.
        * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
        * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
        to 1.
        * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
        * config/i386/i386.c (ix86_attribute_table): Use
        handle_dll_attribute for dllimport/dllexport.  Test
        TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
        * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
        * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
        it to 1.
        * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
        with #if.
        * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
        it to 1.
        * doc/extend.texi (dllexport): Clarify and correct documentation.
        (dllimport): Likewise.
        * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
        handle_dll_attribute.

2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-manip.c: New file.
        * Makefile.in (tree-ssa-loop-manip.o): Add.
        * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
        Declare.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
        form.
        (tree_ssa_loop_done): Verify loop closed ssa form.
        * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.

2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
        pa_asm_output_aligned_local): New functions.
        * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
        pa_asm_output_aligned_common and pa_asm_output_aligned_local.
        * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
        pa_asm_output_aligned_common.
        (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
        * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
        (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
        (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
        * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
        (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
        (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
        * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
        common data.

2004-08-05  Andrew Pinski  <apinski@apple.com>

        * objc/objc-act.c (build_objc_string_object): Mark the address
        expression as constant.

2004-08-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
        and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
        SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.

2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
        Remove definitions conditioned on USE_GNULIBC_1 or conditioned
        out, and associated obsolete comments.

2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (force_fit_type): Return a tree, take three flags.
        * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
        TREE_CONSTANT_OVERFLOW here.
        (int_const_binop, const_binop): Adjust.
        (size_int_type): Do sign extension here.
        (fold_convert_const, optimize_bit_field_compare,
        decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
        fold_negate_const, fold_abs_const, fold_not_const): Adjust.
        * tree.c (size_in_bytes, int_fits_type_p): Adjust.

2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/16864
        * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
        for ssa names without default_def.

2004-08-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/i386/i386.c (ix86_expand_prologue): If the function uses a
        frame pointer, restore eax with an ebp-relative address.

2004-08-04  Geoffrey Keating  <geoffk@apple.com>

        PR 14516
        * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
        * c-common.h (make_rtl_for_local_static): Delete.
        * c-decl.c (shadow_tag_warned): Clean up comment.
        (finish_decl): Clean up spacing.  Use set_user_assembler_name when
        appropriate.  Don't pass asmspec to rest_of_decl_compilation.
        * c-semantics.c (make_rtl_for_local_static): Delete.
        * expr.c (init_block_move_fn): Use set_user_assembler_name.
        (init_block_clear_fn): Likewise.
        * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
        expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
        * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
        * tree.h (make_decl_rtl): Remove second parameter.
        (set_user_assembler_name): New.
        * varasm.c (set_user_assembler_name): New.
        (make_decl_rtl): Remove second parameter.  Update callers in many
        files.

2004-08-05  Adam Nemet  <anemet@lnxw.com>

        * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
        (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
        to LynxOS 4.0.
        * gthr-lynx.h: New file.
        * config/lynx-ng.h: Remove file.
        * config/lynx.h: Update to LynxOS 4.0.
        * config/t-lynx: New file.
        * config/i386/lynx-ng.h: Remove file.
        * config/i386/lynx.h: Update to LynxOS 4.0.
        * config/rs6000/lynxbase.h: Remove file.
        * config/rs6000/lynx.h: Update to LynxOS 4.0.
        * config/rs6000/t-lynx: New file.
        * doc/install.texi (Options specification): Remove reference to
        LynxOS from systems where --with-gnu-as makes a difference.

2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
        __UINTMAX_TYPE__.
        * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
        __INTMAX_MAX__.
        (c_cpp_builtins): Call it.
        * doc/cpp.texi: Update.

2004-08-04  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
        cost.

2004-08-04  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (profile_staus): New global variable.
        * cfg.c (profile_status): Declare.
        (check_bb_profile): Break out from ....; use profile_status
        (dump_flow_info): ... here.
        * cfgbuild.c (find_basic_blocks): Set profile_status.
        * cfgexpand.c (tree_expand_cfg): Likewise.
        * predict.c (estimate_probability): Likewise.
        * profile.c (branch_prob): Likewise.
        * tree-cfg.c (build_tree_cfg): Likewise.
        (dump_function_to_file): Use check_bb_profile.
        * tree-pretty-print (dump_bb_header): Likewise.
        * tree-profile.c (do_tree_profiling): Cleanup.

2004-08-04  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (RTL_BASE_H, RTL_H): Correct.
        (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
        (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
        (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
        (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
        (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
        (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
        (ggc-none.o, errors.o): Move rule to generators section;
        correct dependencies.
        (min-insn-modes.o): Move rule to generators section; remove
        unnecessary explicit command; correct dependencies.
        (print-rtl.o, print-rtl1.o): Correct dependencies.
        ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
        (mostlyclean): Update.

        * errors.c: Include bconfig.h not config.h.  Correct comment.
        * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
        * ggc-none.c: Include bconfig.h; not config.h or tm.h.
        * print-rtl.c: Don't include tm_p.h.

        * rtl.h: Move forward-decl of struct function down where it's
        needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
        #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.

2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
            Jeff Law  <law@redhat.com>

        * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
        * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
        * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
        manipulate the duplicated ssa names.
        * tree-ssanames.c (ssa_names_to_rewrite): New variable.
        (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
        unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
        New functions.
        (release_ssa_name): Do not release ssa names that may have multiple
        definitions.
        * tree.h (release_ssa_name_force, mark_for_rewrite,
        unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
        marked_ssa_names): Declare.
        * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
        (duplicate_blocks): Remove call to mark_defs_for_rewrite.
        Update call to rewrite_ssa_into_ssa.

2004-08-04  Mark Mitchell  <mark@codesourcery.com>

        * defaults.h (TARGET_DECLSPEC): New macro.
        * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
        * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
        * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
        * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
        __declspec support.
        (TARGET_DECLSPEC): Define.
        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
        __declspec support.
        * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
        __declspec support.
        (TARGET_DECLSPEC): Define.
        * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
        __declspec support.
        * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
        support.
        * doc/tm.texi (TARGET_DECLSPEC): Document.

        * doc/extend.texi: Fix typo in comment.

2004-08-04  Paul Brook  <paul@codesourcery.com>

        * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
        (TARGET_CXX): Use it.
        * target.h (struct gcc_target): Add cdtor_returns_this.
        * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
        (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
        * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.

2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>

        * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
        low/high pair. Do range checking directly.
        (interpret_integer): Adjust.

2004-08-04  Nick Clifton  <nickc@redhat.com>

        * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
        GCC ABI.
        * doc/invoke.texi: Document this new switch and also the -mrenesas
        switch.

2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>

        * cfglayout.c (insn_locators_initialize): Update the current
        location before initializing a location.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
        (dbxout_function_end): Return after emitting the "Lscope" symbol
        under the same conditions that this function formerly wasn't called.
        Add explanatory comments.

        PR 14860
        * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
        on the new decl.

        PR 13956
        * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
        functions, broken out of dbxout_block.
        (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
        stabs too, if it contains symbols.  Use the begin_label and
        the Lscope label (emitted by dbxout_function_end) for the
        range of this block.

2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>

        * doc/install.texi: Update autoconf version requirements.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

        * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
        * recog.c (general_operand, immediate_operand, nonmemory_operand)
        (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
        * regclass.c (record_reg_classes): Likewise.
        * reload.c (find_reloads): Likewise.
        * reload1.c (reload): Likewise.

2004-08-03  Zack Weinberg  <zack@codesourcery.com>

        * gensupport.c (init_md_reader_args_cb): Renamed from
        init_md_reader_args.  Add third option, callback function for
        parsing program-specific options.  Add diagnosis of incorrect
        number of input files.
        (init_md_reader): Fold into init_md_reader_args_cb.
        (init_md_reader_args): Now a thin wrapper around
        init_md_reader_args_cb.
        * gensupport.h: Update prototypes.

        * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
        * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
        * genrecog.c: No need to diagnose lack of an input file;
        init_md_reader_args will handle it.
        * genconditions.c: Likewise, and use init_md_reader_args.
        * genconstants.c: Likewise, and no need to call read_md_rtx.

2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (implicitly_declare): Diagnose incompatible implicit
        declarations.

2004-08-03  Mike Stump  <mrs@apple.com>

        * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
        for frameworks.
        * doc/invoke.texi (Darwin Options): Update to reflect above.

2004-08-03  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/16790
        * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
        truncations, not just global truncations.

2004-08-03  Andrew Pinski  <apinski@apple.com>

        PR bootstrap/16865
        * loop-iv.c (simplify_using_assignment): Initialize lhs.

2004-08-03  Paul Brook  <paul@codesourcery.com>

        * gcc/doc/install.texi: Document MPFR requirement.

2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>

        * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
        and mmap() explicitly instead of relying on preset autoconf cache
        variables.
        * configure: Regenerate.

2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/16570
        * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
        to tmake_file.
        (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
        (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
        to tmake_file.

        * config/i386/t-gmm_malloc: New file.
        * config/i386/t-pmm_malloc: Likewise.

        * config/i386/xmmintrin.h: Include <mm_malloc.h>.

2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
            Tanguy Fautrà <tfautre@pandora.be>

        * config/i386/pmm_malloc.h: New file.

2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/gmm_malloc.h: New file.

2004-08-03  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
        * c-common.c: Include opts.h.
        (c_common_get_alias_set): Fix check for a single input file.
        * toplev.c: Remove current_file_decl.
        * tree.h: Ditto.

2004-08-03  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (arm*-*-symbianelf*): New target.
        * config/arm/symbian.h: New file.

        * gthr-gnat.c: Add visibility #pragmas.
        * gthr-gnat.h : Likewise.
        * gthr.h: Likewise.
        * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
        (__ffsDI2): Likewise.
        (__clzSI2): Likewise.
        (__ctzSI2): Likewise.
        (__ctzDI2): Likewise.
        (__popcountSI2): Likewise.
        (__popcountDI2): Likewise.
        (__paritySI2): Likewise.
        (__parityDI2): Likewise.
        * libgcc2.h: Add visibility #pragmas.
        (__clzDI2): Add prototype.
        (__clzSI2): Likewise.
        (__ctzSI2): Likewise.
        (__ffsDI2): Likewise.
        (__ffsSI2): Likewise.
        (__ctzDI2): Likewise.
        (__popcountSI2): Likewise.
        (__popcountDI2): Likewise.
        (__paritySI2): Likewise.
        (__parityDI2): Likewise.
        * unwind-dw2-fde.h: Add visibility #pragmas.
        * unwind.h: Likewise.

2004-08-03  David Edelsohn  <edelsohn@gnu.org>
            Dale Johannesen  <dalej@apple.com>
            Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
        constants more accurately.  Adjust costs for FMA instructions.
        Add cases for most logical and float operations.  Recurse into
        most operands.

2004-08-03  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.

2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>

        * ra-build.c (conflicts_between_webs): For webs that cross a call add
        conflicts to regs_invalidated_by_call.

2004-08-03  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.

2004-08-03  Jan Hubicka  <jh@suse.cz>

        * coverage.c (tree_coverage_counter_ref): Fix computation of the new
        ARRAY_REF argument.

2004-08-03  Richard Earnshaw  <rearnsha@arm.com>

        * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
        arm968es, arm10e, arm1020e, arm1022e.
        * invoke.texi: Update list of ARM cores.
        * arm-tune.md: Regenerate.

2004-08-03  Richard Earnshaw <rearnsha@arm.com>

        * arm/gentune.sh: New file.
        * arm/t-arm: New file.
        * arm/arm-tune.md: New file (autogenerated).
        * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
        * arm.md (attribute tune): Delete.  Include arm-tune.md.

2004-08-03  Paolo Bonzini <bonzini@gnu.org>

        * gcc.c (add_prefix, add_sysrooted_prefix): Remove
        penultimate parameter.  All callers adjusted.
        (struct prefix_list): Remove used_flag_ptr.
        (find_a_file): Do not set *pl->used_flag_ptr.
        (warn_B, warn_std_ptr): Remove.

2004-08-03  Yossi Markovich <yossim@il.ibm.com>
            Mostafa Hagog <mustafa@il.ibm.com>

        * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.

2004-08-02  Geoffrey Keating  <geoffk@apple.com>

        * dwarf2out.c (output_call_frame_info): Don't change data format
        due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
        label.  Use 'true' not '1'.
        * doc/install.texi (powerpc-*-darwin*): Mention cctools version
        required.

2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * gdbinit.in: Reflect previous changes to rtunion_def.

2004-08-02  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
        -> "X % Y" is only valid for TRUNC_MOD_EXPR.

2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
        vec_p_reserve.
        * langhooks.h (lang_hooks::builtin_function): Rename parameter
        from "class" to "bt_class".

2004-08-02  Paul Brook  <paul@codesourcery.com>

        PR rtl-optimization/15068
        * flow.c (init_propagate_block_info): Check condition is reversible.

2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * gengtype.h (options::info): Change type to const char *.
        (enum gc_used_enum): Move out of struct type scope.
        * gengtype.c (create_option): Convert initializer for option::info to
        appropiate type.
        (adjust_field_type, walk_type, write_func_for_structure,
        write_root, write_roots): Remove pointless cast.

2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>

        * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.

2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * rtl.h (union rtunion_def): Have all members  start with the
        prefix "rt_".
        (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
        X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
        X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
        XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
        access.
        * gengtype.c (adjust_field_rtx_def): Likewise.
        * rtlanal.c (loc_mentioned_in_p): Likewise.

2004-08-02  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
        Replace uses of mips/elf64.h with mips/elf.h
        * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
        (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
        (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
        (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
        (HANDLE_SYSV_PRAGMA): Delete.
        (ASM_OUTPUT_DEF): Fix formatting.
        * config/mips/elf64.h: Delete.

2004-08-01  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (got_symbolic_operand): Do require a
        symbol+offset operand to have its offset be zero mod 0x3fff
        when GOT entries are in use.  Clarify logic in SYMBOL_REF
        case.  Clarify comments.
        (ia64_expand_load_address): Split a symbol+offset load when
        the offset is nonzero mod 0x3fff, not 0x1fff.

2004-08-01  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
        if trying to *store* to a non-offsettable address.
        * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
        a nonoffsettable address.
        (movdi_internal32): Don't move GPRs to a nonoffsettable address.
        Clean up.
        (movti_string): Don't move GPRs to a nonoffsettable address.
        (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.

2004-08-02  Ben Elliston  <bje@au.ibm.com>

        PR target/16155
        * config/rs6000/altivec.h: Replace typeof with __typeof__.

2004-08-01  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
        variable sized types.

2004-08-01  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: In the MIPS options section, remove the passage
        saying that -mexplicit-relocs is usually disabled for -mabicalls
        -fno-unit-at-a-time.
        * config/mips/mips.c (override_options): Remove the code that enforced
        this rule.

2004-08-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (cprestore): Provide two alternatives, one for
        an in-range offset and one for an out-of-range offset.  Wrap the latter
        in .set macro/.set nomacro if it's inside a .set nomacro block.

2004-08-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
        (mips_restore_gp): Declare.
        * config/mips/mips.c (mips_add_offset): Add a scratch register
        argument.  Reimplement in rtl only, reusing MIPS16 logic from
        mips_output_mi_thunk.
        (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
        to mips_add_offset.
        (mips_gp_save_slot): Delete.
        (mips_restore_gp): New function.
        (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
        * config/mips/mips.md (exception_receiver): Turn into a
        define_insn_and_split.  Use mips_restore_gp to do the split.
        (call_internal, call_value_internal, call_value_multiple_internal): Use
        mips_restore_gp to restore $gp.

2004-07-31  Andrew Pinski  <apinski@apple.com>

        PR other/16842
        * mkheaders.in (libsubdir): s/gcc-lib/gcc/.

2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (diagnose_mismatched_decls): Give error for external
        redeclaration of identifier declared with no linkage, not just
        warning with -Wtraditional.  Do not check DECL_CONTEXT to give
        error for redeclaration with no linkage.

2004-07-30  Geoffrey Keating  <geoffk@apple.com>
            Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
        non-offsettable addresses even for DImode.
        (rs6000_split_multireg_move): Cope with non-offsettable addresses
        being moved into multiple GPRs.

        * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
        to 64.
        (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
        * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
        to 128.
        * config/rs6000/darwin-ldouble.c (isless): New macro.
        (inf): New macro.
        (nonfinite): New macro.
        (FPKINF): Delete.
        (_xlqadd): Completely rewrite.
        (_xlqmul): Correct overflow handling.
        (_xlqdiv): Correct overflow handling.
        * config/rs6000/darwin-ldouble-format: New file.

2004-07-30  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
        9 into the equivalent lea instruction.

2004-07-30  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
        with DECL_INITIAL if fb_lvalue.
        * tree-gimple.c (is_gimple_id): Add CONST_DECL.
        * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
        with <Cxxx>.
        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.

2004-07-30  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
        pointer escapes through a function call, assume that the
        callee will dereference it.
        (add_pointed_to_var): Assume that VALUE is always an
        ADDR_EXPR.
        (collect_points_to_info_r): Only call add_pointed_to_var if
        the value is an ADDR_EXPR.

2004-07-30  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (create_alias_map_for): Do not get the
        alias set of the inner type of ARRAY_TYPEs.

2004-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-ccp.c (visit_assignment): Move code to prevent
        setting a non-register to UNDEFINED right before the call to
        set_lattice_value.

2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.

2004-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa.c (verify_flow_sensitive_alias_info): When
        comparing points-to sets of different pointers, make sure the
        second pointer is actually referenced in the code.

2004-07-29  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (setjmp_operand): Delete, unused.
        (got_symbolic_operand): Remove unreachable code.
        * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
        setjmp_operand; add entry for tls_symbolic_operand.
        * config/ia64/ia64-protos.h: Remove all prototypes of
        predicate functions.

2004-07-29  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (lang_post_pch_load): New variable.
        * c-pch.c (lang_post_pch_load): Define it.
        (c_common_read_pch): Use it.
        * cgraphunit.c (record_call_1): Give the front end a chance to
        record additional needed entities when a variable is marked as
        needed.
        * tlink.c (recompile_files): Robustify.
        (scan_linker_output): If a symbol is assigned to a file,
        but after recompilation is not present there, issue an error
        message.

2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
        Take orig_loop argument and pass it to set_level.
        (schedule_sm): Pass the correct orig_loop to force_move_till.

2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.c (update_latch_info): Update dominator of the new block.
        (canonicalize_loop_headers, flow_loops_find): Do not free dominance
        info.
        * dominance.c (verify_dominators): Check that the dominance tree is
        connected.
        (recount_dominator): Ignore unreachable blocks.
        (iterate_fix_dominators): Cleanup old dominance information before
        recomputing it.

2004-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-operands.c (get_expr_operands): Revert changes
        to ADDR_EXPR processing introduced by:
            2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.

2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/implement-c.texi: Add C90 subclause references.  Point to
        preprocessor documentation instead of duplicating it.  Add points
        only present in C90.  Fill in documentation for all points.

2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_movb): Correct typo.

2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>

        * ra.h (single_reg_in_regclass): Declare.
        * ra.c (single_reg_in_regclass): Define.
        (first_hard_reg): New.
        (init_ra): Initialize single_reg_in_regclass.
        * ra-colorize.c (ok_class): New.
        (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.

2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov-io.h: Allow zero tag as EOF indicator.
        (gcov_is_eof): Remove.
        (gcov_truncate): Remove.
        * gcov-io.c (gcov_seek): Always SEEK_SET.
        * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
        EOF tag.
        * coverage.c (read_counts_file): Don't use gcov_is_eof.
        * gcov-dump.c (dump_file): Likewise.
        * gcov.c (read_graph_file, read_count_file): Likewise.

        * c-decl.c (complete_array_type): Don't gratuitously copy
        maxindex.  Check it always has a type.

2004-07-29  Steven Bosscher  <stevenb@suse.de>

        * rtl.c (currently_expanding_to_rtl): New.
        * rtl.h (currently_expanding_to_rtl): Export it.
        * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.

        * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
        inliner hack.
        * config/sh/sh.c: Replace rtx_equal_function_value_matters
        with currently_expanding_to_rtl.
        * config/sh/sh.md: Likewise.
        * config/ia64/ia64.c (got_symbolic_operand): Likewise.

2004-07-29  Alexandre Oliva  <aoliva@redhat.com>

        Introduce sh2a support.
        2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Build multilibs for sh2a and sh2a-single by
        default.
        * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
        default.  Split their tests out of the corresponding SH4
        multilibs.
        * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
        multilibs for SH2a.
        2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Handle sh2a multilibs and cpu selection.
        * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
        * config/sh/t-mlib-sh2a: New.
        * config/sh/t-mlib-sh2a-nofpu: New.
        * config/sh/t-mlib-sh2a-single: New.
        * config/sh/t-mlib-sh2a-single-only: New.
        2004-07-09  Nick Clifton  <nickc@redhat.com>
        Issue 43400
        * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
        -ml and -m2a are used together.
        2004-03-23  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
        when we have a double-sized FPU.
        2004-02-24  Corinna Vinschen <vinschen@redhat.com>
        * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
        is set.
        * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
        -msh2a-single and -msh2a-single-only
        2004-02-24  Corinna Vinschen <vinschen@redhat.com>
        * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
        is set.
        2004-02-20  DJ Delorie  <dj@delorie.com>
        * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
        2004-02-20  Fred Fish <fnf@redhat.com>,
        Corinna Vinschen <vinschen@redhat.com>
        * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
        (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
        2004-02-18  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.c (broken_move): Add support for movi20.
        * config/sh/sh.h: Likewise.
        (SHIFT_COUNT_TRUNCATED): Set for sh2a.
        * config/sh/sh.md (udivsi3_sh2a): New.
        (udivsi3): Call it.
        (divsi3_sh2a): New.
        (divsi3): Call it.
        (mul_r): New.
        (ashlsi3_sh2a): New.
        (ashrsi3_sh2a): New.
        (lshrsi3_sh2a): New.
        (movsi_i): Disable for sh2a.
        (movsi_ie): Add movi20.
        (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
        sh2a, for -m2a-nofpu mode.
        2004-02-13  DJ Delorie  <dj@redhat.com>
        * config/sh/lib1funcs.asm: Handle double vs single better.
        * config/sh/sh.h: Likewise.
        2004-02-09  DJ Delorie  <dj@redhat.com>
        * config/sh/crt1.asm: Add support for sh2a.
        * config/sh/elf.h: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sh/t-sh: Likewise.

2004-07-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.md (movqi_internal, movhi_internal,
        movsi_internal): Add backup alternatives for memory inputs.

2004-07-28  Matt Austern  <austern@apple.com>

        * config/darwin.c (darwin_one_byte_bool): New global variable.
        * config/darwin.h (darwin_one_byte_bool): Declare.
        (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
        * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
        value of darwin_one_byte_bool.
        * doc/invoke.texi: Document -mone-byte-bool flag.

2004-07-28  Eric Christopher  <echristo@redhat.com>

        * c-common.c (c_common_unsafe_for_reeval): Delete.
        * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
        * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
        * calls.c (fix_unsafe_tree): Delete.
        (expand_call): Delete code which used above.
        * dojump.c (do_jump): Delete UNSAVE_EXPR case.
        * expr.c (expand_expr_real_1): Ditto.
        * fold-const.c (non_lvalue): Ditto.
        * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
        (lhd_unsafe_for_reeval): Ditto.
        * langhooks.c (lhd_unsafe_for_reeval): Ditto.
        * langhooks.h (unsafe_for_reeval): Ditto.
        (unsave_expr_now): Adjust comment.
        * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
        (estimate_num_insns_1): Ditto.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        * tree.c (expr_align): Ditto.
        (unsave_expr): Delete.
        (unsafe_for_reeval): Ditto.
        * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
        * tree.def (UNSAVE_EXPR): Delete.
        * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.

2004-07-28  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (enum tls_model): Move ...
        * coretypes.h: ... here.

2004-07-28  Richard Sandiford <rsandifo@redhat.com>

        * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.

2004-07-28  Richard Sandiford  <rsandifo@redhat.com>

        * cse.c (validate_canon_reg): New function, split out from...
        (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (maybe_create_global_var): Don't just
        return if .GLOBAL_VAR has been created.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa.c (verify_flow_insensitive_alias_info): Process
        every variable that may have aliases, not just tags.

2004-07-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
        move_from_CR_eq_bit.
        Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.


        * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
        e500_flip_eq_bit.

        * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
        output_e500_flip_eq_bit.

        * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
        output_e500_flip_eq_bit.
        (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
        output_e500_flip_eq_bit.
        Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
        (print_operand): case D.  Get to EQ bit.

2004-07-28  Richard Sandiford  <rsandifo@redhat.com>

        * gcov.c (function_summary): Add missing \n.

2004-07-28  Alexandre Oliva  <aoliva@redhat.com>

        Introduce sh4a support.
        * config.gcc: Handle sh4a multilibs and cpu selection.
        * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
        * config/sh/t-mlib-sh4a: New.
        * config/sh/t-mlib-sh4al: New.
        * config/sh/t-mlib-sh4a-nofpu: New.
        * config/sh/t-mlib-sh4a-single: New.
        * config/sh/t-mlib-sh4a-single-only: New.
        2004-02-20  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
        * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
        2003-08-22  Eric Christopher  <echristo@redhat.com>
        * config/sh/sh4a.md: Update for chip errata.
        2003-08-07  Eric Christopher  <echristo@redhat.com>
        * config/sh/sh4a.md: New file. sh4a processor description.
        2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
        of -m4a-nofpu.
        (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
        * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
        * doc/invoke.texi (SH Options): Document -m4al.
        2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (expand_block_move): Remove commented-out code
        checked in by mistake.
        (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
        single elements from SFmode vectors.
        * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
        register.
        (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
        2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): Remove variable declarations.
        * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): New functions.
        (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
        sh_fsca_int2sf_rtx): New static variables.
        * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): Declare.
        * config/sh/sh.md: Adjust.
        * doc/invoke.texi (SH Options): Document new options.
        * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
        compatibility from SH4 code.
        2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
        early.
        (memory_movsrc_operand): Renamed to...
        (unaligned_load_operand): ... this.  Simplified.
        * config/sh/sh.h (PREDICATE_CODES): Adjust.
        * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
        input operand to SImode, and adjust the others.  Introduce
        post-increment by peephole.
        * config/sh/sh.c (expand_block_move): Give the target address the
        same mode as the temp reg.
        * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
        copying.
        2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
        Introduce support for SH4a.
        * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
        __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
        * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): New.
        (sh_init_builtins): Initialize them.
        (print_operand): Support `d'.
        (expand_block_move): Use movua if src is misaligned.
        (memory_movsrc_operand): New.
        * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
        and one of the SH4 macros.
        (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
        SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
        SELECT_SH4A_SINGLE): New.
        (TARGET_NONE): Add SH4A_BIT.
        (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
        (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
        (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
        (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
        (enum processor_type): Added PROCESSOR_SH4A.
        (PREDICATE_CODES): Add memory_movsrc_operand.
        * config/sh/sh.md: Removed unused variables.
        (attr cpu): Add sh4a.
        (attr type): Add movua, fsrra and fsca.
        (prefetch): New, for SH4.
        (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
        (toggle_sz): Set type to fp.
        (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
        (movua, extv, extzv): New.
        * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
        and 4a-single-only.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_may_alias right after the program is renamed into SSA.
        * tree-pass.h (PROP_alias): Define.
        * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
        * tree-sra.c (pass_sra): Likewise.
        * tree-ssa-ccp.c (pass_ccp): Likewise.
        * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
        * tree-ssa-dce.c (pass_dce): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        * tree-ssa-dse.c (pass_dse): Likewise.
        * tree-ssa-forwprop.c (pass_forwprop): Likewise.
        * tree-ssa-loop-ch.c (pass_ch): Likewise.
        * tree-ssa-phiopt.c (pass_phiopt): Likewise.
        * tree-ssa-pre.c (pass_pre): Likewise.
        * tree-tailcall.c (pass_tail_recursion): Likewise.
        * tree-ssa.c (pass_redundant_phi): Likewise.
        * tree-ssa-alias.c (aliases_computed_p): Remove.
        Update all users.
        (init_alias_info): Do not mark all type tags for renaming
        unconditionally.
        Clear may_aliases from every symbol.
        (setup_pointers_and_addressables): If a pointer has not been
        dereferenced and it had a type tag, clear it and mark the old
        tag for renaming.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16705
        * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
        .GLOBAL_VAR.

2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
        check.

        * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
        don't make another one.

        PR optimization/15077
        * function.h (struct function): Add field saved_static_chain_decl.
        Fix comment for static_chain_decl.
        * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
        * tree-inline.h (save_body): Add new arg.
        * tree-optimize.c (tree_rest_of_compilation): Handle saving
        static_chain_decl.

2004-07-27  Richard Henderson  <rth@redhat.com>

        * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
        (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
        is_gimple_addressable.
        * tree-gimple.c (is_gimple_addressable): Rename from
        is_gimple_addr_expr_arg; accept INDIRECT_REF.
        (is_gimple_lvalue): Don't test INDIRECT_REF directly.
        * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
        rename to is_gimple_addressable.

2004-07-28  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.

2004-07-27  Richard Henderson  <rth@redhat.com>

        * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
        before rounding.

2004-07-27  Zack Weinberg  <zack@codesourcery.com>

        * libgcc2.c: Change all conditionals testing
        LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
        * libgcc2.h: Likewise.
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
        TYPE_PRECISION of float80_type to 80.
        * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
        of fpreg_type and float80_type to 80.
        * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
        * config/m68k/netbsd-elf.h:
        Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
        to evaluate to 80 whenever they would formerly have evaluated to 96.
        * config/i386/sco5.h: Remove unnecessary redefinition of
        LONG_DOUBLE_TYPE_SIZE.
        * doc/rtl.texi: Clarify uses of XFmode and TFmode.
        * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
        XFmode, with a bitsize of 80.  Update commentary.
        * config/ia64/ia64-modes.def: Likewise.
        * config/m68k/m68k-modes.def: Likewise.

2004-07-27  Steven Bosscher  <stevenb@suse.de>

        * cfgexpand.c (tree_expand_cfg): Fix comment.

        * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
        * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
        Remove.
        (prepare_function_start): Don't set rtx_equal_function_value_matters.
        * integrate.c (copy_rtx_and_substitute): Don't test for it.
        * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
        Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
        here again.  Update leading comment.
        * rtl.c (rtx_equal_function_value_matters): Remove.
        (rtx_equal_p): Don't test for it.
        * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
        Likewise.

        * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
        * rtl.c (note_insn_name): Likewise.
        * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
        * final.c (final_scan_insn): Likewise.

        * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
        * passes.c (rest_of_handle_eh): Do it here.

        * stmt.c (struct nesting): Remove struct nesting block member.
        (struct stmt_status): Remove x_block_start_count field.
        (current_block_start_count): Remove.

2004-07-27  Brian Booth  <bbooth@redhat.com>

        * tree-optimize.c (register_one_dump_file): Update condition that uses
        static_pass_number.
        (dup_pass_1): Replace with...
        (next_pass_1): This.
        (NEXT_PASS): Call next_pass_1.
        (DUP_PASS): Remove.
        (init_tree_optimization_passes): Remove uses of DUP_PASS.
        (execute_one_pass): Update condition that uses
        static_pass_number.
        * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
        integer.

2004-07-27  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.c: Include integrate.h in order to get the
        prototype for get_hard_reg_initial_val().

        * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
        and tidy up indentation.
        (final_presence_set): Use absence_set instead, so that if there is
        nothing in the "o" pipe the "s" pipe can be scheduled.

2004-07-27  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (create_name_tags): Ignore pointers that
        don't have PT_VARS nor PT_MALLOC set.
        Clear name tag from pointers that have not been dereferenced.
        (set_pt_anything, set_pt_malloc): Forward declare.
        * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
        not type compatibility when determining if a pointer can be
        copy propagated.

2004-07-27  Richard Sandiford  <rsandifo@redhat.com>

        * expr.h (canonicalize_condition, get_condition): Add an int argument.
        * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
        it to check whether the condition is still valid at the jump insn.
        * ifcvt.c (noce_get_condition): Likewise.
        (noce_get_alt_condition): Update call to canonicalize_condition.
        * loop-iv.c (simplify_using_initial_values): Update call to
        get_condition.  Remove FIXME.
        (check_simple_exit): Update call to get_condition.
        * loop-unswitch.c (may_unswitch_on): Likewise.
        * loop.c (check_dbra_loop): Likewise.
        (canonicalize_condition, get_condition): Add an argument to say whether
        the condition must still be valid at INSN.
        (get_condition_for_loop): Update call to get_condition.  Require that
        the condition be valid at INSN.
        * predict.c (estimate_probability): Update call to get_condition.
        Remove unused earliest parameter.
        (expected_value_to_br_prob): Update call to canonicalize_condition.

2004-07-26  Eric Christopher  <echristo@redhat.com>

        * tree-dfa.c (add_referenced_var): Register initializers of global
        variables.

2004-07-26  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (function_arg): Always treat 8-
        and 16-byte wide vectors the same, even if MMX/SSE
        are disabled.
        (contains_128bit_aligned_vector_p): Add comment.

2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>

        * ra.h (enum node_type): Rename to:
        (enum ra_node_type).
        * ra-colorize.c: Likewise.

2004-07-26  Richard Sandiford  <rsandifo@redhat.com>

        * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
        after simplifying the jump.

2004-06-26  Richard Henderson  <rth@redhat.com>

        * calls.c (combine_pending_stack_adjustment_and_call): Make
        preferred_unit_stack_boundary argument unsigned.  Make
        unadjusted_alignment unsigned.
        (expand_call): Make preferred_stack_boundary and
        preferred_unit_stack_boundary variables unsigned.
        * function.c (assign_stack_local_1): Make alignment unsigned.
        * function.h (struct function): Make stack_alignment_needed,
        preferred_stack_boundary unsigned.
        * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
        (ix86_compute_frame_layout): Make stack_alignment_needed,
        preferred_alignment variables unsigned.
        * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.

2004-07-26  Tom Tromey  <tromey@redhat.com>

        * tree.h: Fix typo in comment.

2004-07-26  Daniel Jacobowitz  <dan@debian.org>

        PR bootstrap/12804
        * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
        (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
        (ggc_free): Remove incorrect freeing.
        (sweep_pages): Advance PP for large pages.  Fix indentation.

2004-07-26  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/16643
        * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
        * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
        * basic-block.h (reorder_basic_blocks): Add a flags parameter.
        * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
        (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * rtl.h (tracer): Add a flags parameter.
        * tracer.c (tracer): Pass it to cfg_layout_initialise.
        * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
        (rest_of_handle_reorder_blocks): Update calls to tracer and
        reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
        (rest_of_handle_tracer): Pass 0 to tracer.
        (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.

2004-07-25  David Edelsohn  <edelsohn@gnu.org>

        PR target/16239
        * config/rs6000/rs6000.md (movdi_internal64): Further disparage
        f->f.

2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
        (BINFO_BASE_ACCESS): Adjust.
        (BINFO_BASE_ACCESS_APPEND): New.
        (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
        * dbxout.c (dbxout_type): Adjust binfo access accessing.
        * dwarf2out.c (gen_member_die): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.

2004-07-26  Falk Hueffner  <falk@debian.org>

        * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
        costs.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
        value off of the stack if TARGET_USE_FFREEP.

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
        * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
        * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
        check on invocation of XRESIZEVEC ().

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c (disable_builtin_function): Rename variable n to
        new_disabled_builtin.
        * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
        Rename local variable old to old_decl.
        * gensupport.c (shift_output_template): Rename parameter old to src.
        * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
        old_rtx and newx to new_rtx.

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * Makefile.in (C_PRAGMA_H): New variable to track dependencies
        of c-pragma.h.
        * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
        enum cpp_ttype.
        * c-lex.c: Likewise.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (constant_boolean_node): Make extern.
        (make_range): Wrap long lines.
        (fold_cond_expr_with_comparison): Remove unnecessary call to
        pedantic_non_lvalue.  Add missing calls to fold_convert.
        (fold_truthop): Add missing calls to fold_convert.
        (fold): Likewise.
        * tree.h (constant_boolean_node): Add prototype here.
        * builtins.c (expand_builtin_strncmp): Add missing calls to
        fold_convert.
        * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
        Call fold_convert and constant_boolean_node to correct types.
        * tree-ssa-forwprop.c (substitute_single_use_vars): Add
        missing call to fold_convert to correct types.

2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
            Brian Ryner  <bryner@brianryner.com>

        PR c++/9283
        PR c++/15000
        * c-common.c (c_common_attribute_table): Allow
        handle_visibility_attribute to be called for types.
        (handle_visibility_attribute) When given a type, set the visibility
        bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
        so that we can check later whether the attribute was present. Added
        warning if attribute applied to non class type.
        * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
        decls and checking that they are consistent.
        * common.opt: Added -fvisibility.
        * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
        * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
        * flags.h, tree.h: Added assorted support defines for overall patch
        * opts.c: Added parsing support for -fvisibility.
        * tree.c (build_decl): Set visibility for all decls to be whatever
        is in force at that time.
        * varasm.c (default_binds_local_p_1): Reworked logic determining
        when to make a symbol locally bound.
        * doc/invoke.texi: Added documentation for -fvisibility and
        -fvisibility-inlines-hidden.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
        * c-common.c: Add missing casts from void * to other types.
        * c-decl.c: Likewise.
        * c-format.c: Likewise.
        * c-lex.c: Likewise.
        * c-pragma.c: Likewise.
        * c-typeck.c: Likewise.
        * defaults.h: Likewise.
        * genconstants.c: Likewise.
        * gengtype-lex.l: Likewise.
        * genmodes.c: Likewise.
        * read-rtl.c: Likewise.
        * rtl.c: Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * bitmap.c: Use type-safe memory allocation macros from libiberty.
        * c-common.c: Likewise.
        * c-decl.c: Likewise.
        * c-lang.c: Likewise.
        * c-lex.c: Likewise.
        * c-opts.c: Likewise.
        * c-parse.in: Likewise.
        * c-typeck.c: Likewise.
        * genconditions.c: Likewise.
        * gengtype-lex.l: Likewise.
        * gengtype-yacc.y: Likewise.
        * gengtype.c: Likewise.
        * genmodes.c: Likewise.
        * gensupport.c: Likewise.
        * read-rtl.c: Likewise.
        * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
        htab_find_slot().

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-decl.c (groktypename, groktypename_in_param_context): Rename
        variable typename to type_name.
        * c-lex.c (interpret_float): Likewise.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * convert.c (convert_to_real, convert_to_integer,
        convert_to_complex): Replace calls to build with calls to buildN.
        * coverage.c (tree_coverage_counter_ref): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr,
        set_mem_attributes_minus_bitpos): Likewise.
        * explow.c (update_nonlocal_goto_save_area): Likewise.
        * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
        expand_mult_add): Likewise.
        * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
        store_constructor, get_inner_reference, expand_expr_real_1,
        try_casesi, try_tablejump): Likewise.
        * function.c (expand_function_start): Likewise.
        * stmt.c (emit_case_bit_tests, expand_end_case_type,
        node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
        * stor-layout.c (place_union_field, layout_type): Likewise.
        * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
        * varasm.c (copy_constant): Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Rename all identifiers named `new'.
        * c-decl.c: Likewise.
        * gensupport.c: Likewise.
        * simplify-rtx.c: Likewise.
        * c-common.c (disable_builtin_function): Replace a call to xmalloc()
        with XNEW().
        * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
        with XNEWVEC().

2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15360
        * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
        declarations until after calling pushdecl.
        (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
        "extern" and not on whether the declaration is initialized.

2004-07-25  Daniel Jacobowitz  <dan@debian.org>

        * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
        (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
        * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
        "cpplib.h", "c-pragma.h", "c-common.h".
        (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
        (solaris_register_pragmas): New functions.
        * config/sol2-protos.h: New file.
        * config/sol2.c: New file.
        * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
        (REGISTER_TARGET_PRAGMAS): New macros.
        (solaris_pending_aligns, solaris_pending_inits)
        (solaris_pending_finis): New variables.
        * config/t-sol2 (sol2-c.o): Update dependencies.
        (sol2.o): New rule.
        * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
        SUBTARGET_INSERT_ATTRIBUTES.
        (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
        * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
        (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
        * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
        * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
        * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
        (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
        * config/sparc/sparc.c (sparc_attribute_table): New.
        (TARGET_INSERT_ATTRIBUTES): Define in terms of
        SUBTARGET_INSERT_ATTRIBUTES.
        (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
        is defined.
        * doc/extend.texi (Solaris Pragmas): New section.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Rename all identifiers named `class' to `cl'.
        * c-common.h: Likewise.
        * c-parse.in: Likewise.
        * c-typeck.c: Likewise.
        * genmodes.c: Likewise.
        * real.c: Likewise.
        * real.h: Likewise.
        * recog.c: Likewise.
        * recog.h: Likewise.
        * regrename.c: Likewise.
        * tree.h: Likewise.
        * c-common.c (builtin_function_2): Change type of 5th parameter from
        int to enum built_in_function. Change type of 8th parameter from int
        to bool.
        * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
        with GGC_CNEW().
        * c-typeck.c (convert_arguments): Change type of formal_prec from
        int to unsigned int.
        * genmodes.c (blank_mode): Make a few negative constants unsigned.
        (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
        emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
        emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
        emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
        iterator to for_all_modes () instead of an enum because enums can't
        be incremented in C++.


2004-07-25  Daniel Jacobowitz  <dan@debian.org>

        * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
        hard registers.

2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
        Handle ARRAY_RANGE_REF like ARRAY_REF.

2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (digest_init): Don't allow arrays of signed or
        unsigned variants of wchar_t to be initialized by wide string
        constants.  Do allow arrays of enumerated types compatible with
        wchar_t to be initialized by wide string constants.  Refine tests
        distinguishing wide and narrow strings and arrays.  Give specific
        error for arrays of other integer types initialized by string
        constants.
        (output_init_element, process_init_element): Check for
        INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
        initializing with string constants.

2004-07-25  Richard Henderson  <rth@redhat.com>

        * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
        on the RESULT_DECL.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
        DECL_IGNORED_P to new decl.

2004-07-24  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (general_xfmode_operand)
        (destination_xfmode_operand): Delete.
        * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
        * config/ia64/ia64.md (*movxf_internal): Use general_operand
        and destination_operand.

2004-07-24  Alexander Kabaev  <kan@freebsd.org>

        * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
        (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.

2004-07-24  Alexander Kabaev  <kan@freebsd.org>
            Zack Weinberg  <zack@codesourcery.com

        PR 16684
        * c-decl.c (diagnose_mismatched_decls): Don't issue a
        redundant-declaration warning the first time a builtin is
        declared explicitly.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * tree.h (staticp): Change return type to bool.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c (c_staticp): Last episode of the staticp saga.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.h (c_staticp): Change return type from int to bool.
        * tree.c (staticp): Likewise.
        * langhooks.h (staticp): Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * langhooks-def.h (lhd_staticp): Change return type from int to
        bool in prototype to match definition.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * system.h (bool, true, false): Don't redefine as preprocessor macros
        in C++.

2004-07-24  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (init_expmed): A signed modulus by a power of two is
        considered cheap if its less than or equal to four instructions.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
        GGC_CNEWVAR): New macros.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
        lists.
        * c-decl.c: Likewise.
        * c-format.c: Likewise.
        * c-lex.c: Likewise.
        * c-opts.c: Likewise.
        * c-pragma.c: Likewise.
        * c-typeck.c: Likewise.
        * gencheck.c: Likewise.
        * genconditions.c: Likewise.
        * genconfig.c: Likewise.
        * genflags.c: Likewise.
        * gengtype.c: Likewise.
        * gensupport.c: Likewise.
        * ggc-none.c: Likewise.
        * langhooks.c: Likewise.
        * statistics.h: Likewise.
        * stub-objc.c: Likewise.
        * java/decl.c: Likewise.

2004-07-24  Roman Zippel  <zippel@linux-m68k.org>

        * config/m68k/m68k.c (output_scc_di): Fix coding style.
        (symbolic_operand): Fix prototype.
        * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
        * config/m68k/m68k.md: Add constants for registers a0 and sp and
        use them, change from the "{...}" syntax to the simpler {...}
        syntax.
        (*cfv4_extendqisi2): Fix destination predicate.
        * config/m68k/m68k-protos.h: Remove various declarations also
        generated via PREDICATE_CODES.

2004-07-23  Mike Stump  <mrs@apple.com>

        * c-typeck.c (convert_for_assignment): Tightened up pointer
        converstions that differ in signedness.

2004-07-23  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.

2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
        * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.

        * gimplify.c (gimplify_compound_lval): Check for no handled
        operations, rather than checking for explicit list of nodes.
        (is_gimple_addr_expr_arg_or_indirect): New function.
        (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
        redundant setting of TREE_INVARIANT.
        (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
        * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.

2004-07-23  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16688
        PR tree-optimization/16689
        * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
        unnecessary initialization of 'tag'.
        (get_tmt_for): Check that the new type tag has the same alias
        set as the pointed-to type.
        (group_aliases): Only regular variables need to be removed
        from the alias set of a name tag.
        * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
        propagation if the two types are not compatible.
        (merge_alias_info): Rename from replace_ssa_names_ann.
        Add more checking.
        (replace_exp_1): If both arguments are SSA_NAMEs, check that
        the propagation can be done.
        Only call merge_alias_info on pointers.
        (propagate_value): Likewise.
        * tree-ssa-copyrename.c: Include langhooks.h.
        (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
        to do the merging.
        Do not coalesce variables with incompatible types.
        (rename_ssa_copies): Call replace_ssa_name_symbol.
        * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
        the same type as the underlying _DECL.
        * tree-ssanames.c (replace_ssa_name_symbol): New function.
        * tree.h (replace_ssa_name_symbol): Declare.

2004-07-23  Richard Henderson  <rth@redhat.com>

        PR c++/16277
        * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
        unshare it properly.
        (gimplify_modify_expr_rhs): Push assignment from a conditional into
        the conditional for all non-register types.

2004-07-23  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1): Don't handle non-local variables.
        * expr.h (fix_lexical_addr): Remove.
        * function.c (NEED_SEPARATE_AP): Remove.
        (fix_lexical_addr): Remove.
        * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
        not null decl_function_context.
        (create_alias_vars): Likewise.
        * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
        (simple_goto_p): Likewise.
        * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
        * tree-ssa-ccp.c (get_default_value): Likewise.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree.c (needs_to_live_in_memory): Likewise.
        * tree-flow-inline.h (may_be_aliased): Move...
        * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
        when TREE_STATIC variables may be addressable.

2004-07-24  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.

2004-07-23  Zack Weinberg  <zack@codesourcery.com>

        * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
        bitmap contents if GENERATOR_FILE is defined.
        * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
        ($(BUILD_PREFIX_1)bitmap.o): Delete rule.

2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (start_function): Form composite type of function types
        rather than copying type from previous prototype declaration.

2004-07-23  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
        the const qualifier for the second argument in the C++ functions.

        * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
        specific pointer types.

        * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
        vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
        for vector bool and/or vector pixel, add C++ and C missing support.
        (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
        vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
        vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
        vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
        vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
        missing C++ and C support for vector bool and/or vector pixel.
        (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
        vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
        vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
        vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
        vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
        C++ and C types used for vector bool and/or vector pixel.
        (vec_st, vec_stl): Add C++ support for vector pixel.
        (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
        (vec_all_ne): Add C++ support for vector pixel.

        * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
        (vec_vmulesb): Add missing C++ function.
        (vec_perm): Fix type of third argument in C++ function.
        (vec_vsum4shs): Fix C++ function name.
        (vec_any_ge): Remove C++ functions for unsupported arg combinations.
        (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
        argument passed to the error handler in C macro.
        (vec_nmsub): Remove extra parens around argument names in C macro.
        (vec_packpx): Add missing parens in C macro.

2004-07-22  Paolo Bonzini  <bonzini@gnu.org>

        * machmode.def: Remove vector modes.
        * config/alpha/alpha-modes.def: Add supported vector modes.
        * config/arm/arm-modes.def: Likewise.
        * config/frv/frv-modes.def: Likewise.
        * config/i386/i386-modes.def: Likewise.
        * config/rs6000/rs6000-modes.def: Likewise.
        * config/sh/sh-modes.def: Likewise.

2004-07-23  Matthias Klose  <doko@debian.org>

        * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
        * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
        * config.h: Regenerate.
        * configure: Likewise.

2004-07-22  Mark Mitchell  <mark@codesourcery.com>

        * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
        generated SYMBOL_REFs for labels.
        * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
        Change prototype.
        (machopic_stub_name): Remove.
        (machopic_indirection_name): New function.
        (machopic_mcount_stub_name): Likewise.
        (machopic_classify_name): Remove.
        (machopic_function_base_sym): New function.
        (machpoic_classify_symbol): Likewise.
        (machopic_classify_ident): Remove.
        (machopic_define_ident): Likewise.
        (machopic_define_name): Likewise.
        (machopic_name_defined_p): Likewise.
        (machopic_ident_defined_p): Likewise.
        (darwin_strip_name_encoding): Likewise.
        (machopic_define_symbol): New function.
        * config/darwin.c (hashtab.h): Include.
        (machopic_defined_list): Remove.
        (machopic_classify_ident): Likewise.
        (machopic_classify_name): Likewise.
        (machopic_ident_defined_p): Likewise.
        (machopic_define_ident): Likewise.
        (machopic_define_name): Likewise.
        (machopic_symbol_defined_p): New function.
        (machopic_classify_symbol): Likewise.
        (machopic_data_defined_p): Use machopic_classify_symbol.
        (machopic_define_symbol): New function.
        (machopic_function_base_sym): New function.
        (machopic_non_lazy_pointers): Remove.
        (machopic_non_lazy_ptr_name): Likewise.
        (machopic_stubs): Likewise.
        (machopic_stub_name): Likewise.
        (NON_LAZY_POINTER_SUFFIX): New macro.
        (STUB_SUFFIX): Likewise.
        (machopic_indirection): New structure.
        (machopic_indirections): New variable.
        (machopic_indirection_hash): New function.
        (machopic_indirection_eq): Likewise.
        (machopic_indirection_name): Likewise.
        (machopic_mcount_stub_name): New function.
        (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
        hash table.
        (machopic_indirect_data_reference): Rework to use new functions.
        (machopic_indirect_call_target): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        (machopic_output_indirection): New function.
        (machopic_finish): Use it.
        (machopic_operand_p): Rework to use new functions.
        (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
        (darwin_strip_name_encoding): Remove.
        (update_non_lazy_ptrs): Remove.
        (update_stubs): Likewise.
        (darwin_non_lazy_pcrel): Use new functions.
        * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_OUTPUT_LABELREF): Likewise.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
        (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
        (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
        (TARGET_STRIP_NAME_ENCODING): Do not use
        darwin_strip_name_encoding.
        (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
        darwin_strip_name_encoding.
        * config/i386/darwin.h (FUNCTION_PROFILER): Use
        machopic_mcount_stub_name.
        * config/i386/i386.c (x86_output_mi_thunk): Use
        machopic_indirection_name, not machopic_stub_name.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
        machopic_function_base_sym.
        (print_operand): Use machopic_classify_symbol.
        (rs6000_emit_prologue): Use machopic_function_base_sym.
        (output_profile_hook): Do not use machopic_stub_name.
        (macho_branch_isalnds): Do not use darwin_strip_name_encoding.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/7284
        * fold-const.c (extract_muldiv_1): Do not treat signed left shift
        as multiplication.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/implement-c.texi: New file.
        * doc/extend.texi (C Implementation): Move to there.
        * doc/gcc.texi: Include implement-c.texi.
        * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.

2004-07-22  Jason Merrill  <jason@redhat.com>

        * integrate.c (copy_decl_for_inlining): Remove invisible reference
        handling.
        * tree-inline.c (setup_one_parameter): Likewise.

2004-07-22  Brian Booth  <bbooth@redhat.com>

        * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
        (substitute_and_fold): Propigate into VUSE operands when possible.
        (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
        (cp_lattice_meet): Handle merging of latticevalues when
        UNKNOWN_VAL is present.
        (visit_stmt): Visit assignments with V_MUST_DEFs.
        (visit_assignment): Gather ccp information for V_MUST_DEF operands.
        (ccp_fold): Deal with RHS' that are constant and virtual.
        (evaluate_stmt): Handle UNKNOWN_VAL likely values.
        (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
        (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
        V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
        computing immediate uses.
        (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
        transition.
        (replace_vuse_in): New function.
        (likely_value): Add check of vuse operands.
        (get_default_value): Set the default value of virtually defined
        variables to UKNOWN_VAL instead of VARYING.

2004-07-22  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_push_insn): Don't use set_mem_attributes.

2004-07-22  Richard Henderson  <rth@redhat.com>

        * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
        variables due to conditional compilation.

2004-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c (set_livein_block): Fix typo in comment.
        (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
        Release SSA names that have been re-renamed.
        * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
        variable.
        * tree-ssa-alias.c (init_alias_info): If aliases have been
        computed before, clear existing alias information.
        (create_name_tags): Do no fixup PT_ANYTHING pointers.
        If the new name tag for a pointer is different than the one it
        had before, mark the old tag for renaming.
        (replace_may_alias): New function.
        (group_aliases): Call it.
        (setup_pointers_and_addressables): Always call get_tmt_for.
        (maybe_create_global_var): Don't create .GLOBAL_VAR more than
        once.
        (set_pt_anything): New local function.
        (set_pt_malloc): New local function.
        (merge_pointed_to_info): Don't merge pointed-to variables from
        the original pointer if the destination is pointing to an
        unknown location.
        (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
        (add_pointed_to_var): Do not add a variable to the points-to
        set if the pointer is already pointing to anywhere.
        (collect_points_to_info_r): If the defining statement is a PHI
        node, only merge pointed-to information if the argument has
        already been visited.
        (get_tmt_for): Only create a new tag if the pointer didn't
        have one already.
        (dump_alias_info): Emit more information.
        (dump_points_to_info_for): Likewise.
        * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
        try to get the annotation of an SSA_NAME.
        * tree-ssa-operands.c (add_stmt_operand): Only check for empty
        alias sets when checking is enabled.
        * tree-ssa-pre.c (need_eh_cleanup): New local variable.
        (eliminate): Mark basic blocks that will need
        EH information cleaned up.
        (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
        predecessor.
        Initialize need_eh_cleanup.
        (fini_pre): Call tree_purge_all_dead_eh_edges and
        cleanup_tree_cfg if needed.
        Free need_eh_cleanup.
        * tree-ssa.c (verify_ssa_name): New function.
        (verify_def): Call it.
        Re-arrange to avoid printing too many error messages.
        (verify_use): Likewise.
        (verify_phi_args): Likewise.
        (verify_flow_insensitive_alias_info): New function.
        (verify_flow_sensitive_alias_info): New function.
        (verify_alias_info): New function.
        (verify_ssa): Call verify_alias_info.
        Clear TREE_VISITED on all the SSA_NAMEs before scanning the
        program.
        Re-arrange to avoid printing too many error messages.
        * tree-ssanames.c (make_ssa_name): Clear
        SSA_NAME_IN_FREE_LIST.
        (release_ssa_name): Never release a default definition.
        (release_defs): New function.
        * tree.h: Declare it.
        * tree-ssa-dce.c (remove_dead_stmt): Call it.

2004-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
        If true, do a depth-first search.  Do a breadht-first search,
        otherwise.
        (walk_use_def_chains): Add new argument IS_DFS.
        Update all users.
        * tree-flow.h (walk_use_def_chains): Update prototype.

2004-07-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Tweak formatting.
        (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
        (mover2side, moverside, movemside, movei, op3, andu): Replace
        live define_peephole:s with define_peephole2 near-equivalents.
        Delete the rest.
        ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
        word-size modes.
        ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
        Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
        "*mov_sidesi_mem" respectively.

2004-07-22  Paolo Bonzini  <bonzini@gnu.org>

        * tree-cfg.c (gimplify_val): Move from tree-complex.c.
        (gimplify_build1): Move from tree-complex.c do_unop.
        (gimplify_build2): Move from tree-complex.c do_binop.
        (gimplify_build3): New.
        * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
        Adjust throughout to call the functions above.
        * tree-flow.h: Declare the functions above.
        * tree-nested.c (gimplify_val): Rename to...
        (tsi_gimplify_val): ... this.

        * Makefile.in (tree_complex.o): Update dependencies.
        (stor-layout.o): Depend on regs.h.
        * c-common.c (handle_vector_size_attribute): Update for
        vector types without corresponding vector modes.
        * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
        a corresponding vector mode is not available.
        * print-tree.c (print_node): Print nunits for vector types
        * regclass.c (have_regs_of_mode): New.
        (init_reg_sets_1): Initialize it and use it instead
        of allocatable_regs_of_mode.
        * regs.h (have_regs_of_mode): Declare it.
        * stor-layout.c (layout_type): Pick a mode for vector types.
        * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
        build_replicated_const, do_unop, do_binop, do_plus_minus,
        do_negate, expand_vector_piecewise, expand_vector_parallel,
        expand_vector_addition, expand_vector_operations_1,
        expand_vector_operations, tree_lower_operations,
        pass_lower_vector_ssa, pass_pre_expand): New.
        (expand_complex_operations, pass_lower_complex): Remove.
        * tree-optimize.c (init_tree_optimization_passes): Adjust
        pass ordering for changes in tree-complex.c.
        * tree-pass.h: Declare new passes.
        * tree.c (finish_vector_type): Remove.
        (make_vector_type): New.
        (build_vector_type_for_mode, build_vector_type): Rewritten.
        * tree.def (VECTOR_TYPE): Document where the number of
        subparts is stored.
        * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
        (make_vector): Remove declaration.

2004-07-21  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
        TREE_THIS_VOLATILE, may_aliases, or optimization level.
        (remove_useless_vars): Dump debugging info.
        (expand_used_vars): Move ...
        * cfgexpand.c (expand_used_vars): ... here.  Make static.
        * tree-flow-inline.h (set_is_used): New.
        (set_default_def): Use get_var_ann.
        * tree-flow.h: Update decls.
        * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
        (create_ssa_var_map): Use it.
        * tree-ssa.c (set_is_used): Remove.

2004-07-22  Ben Elliston  <bje@au.ibm.com>

        * gdbinit.in: Set a breakpoint on internal_error.

2004-07-21  Richard Henderson  <rth@redhat.com>

        * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
        to create a new basic block.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15052
        * c-decl.c (grokdeclarator): Only pedwarn for qualified void
        return type on function definitions.  Move other warnings for
        qualified return type to -Wreturn-type.  Do not condition any such
        warnings on -pedantic.  Update comments.
        (start_function): Only copy function type from previous prototype
        declaration if return types are compatible.
        * c-typeck.c (function_types_compatible_p): Don't condition
        warning for incompatibility of volatile qualifiers on the return
        type on -pedantic.  Update comment.
        * doc/invoke.texi (-Wreturn-type, -Wextra): Update.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (set_init_index): Require designator to be of integer
        type.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11250
        * c-parse.in (init): Change to exprtype.
        (primary): Set original_code for STRING to STRING_CST.
        Call maybe_warn_string_init for compound literals.
        (initdcl, notype_initdcl): Call maybe_warn_string_init.
        (initval): Update.
        * c-tree.h (maybe_warn_string_init): New.
        (pop_init_level, process_init_element): Use struct c_expr.
        (struct c_expr): Update comment.
        * c-typeck.c (maybe_warn_string_init): New function.
        (digest_init): Call it.  Additional parameter strict_string.  All
        callers changed.
        (output_init_element): Likewise.
        (struct constructor_stack): Use struct c_expr for
        replacement_value.
        (really_start_incremental_init, push_init_level): Update.
        (pop_init_level): Update.  Return struct c_expr.
        (process_init_level): Update.  Take struct c_expr argument.

2004-07-21  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
        commit.

2004-07-21  Eric Christopher  <echristo@redhat.com>

        * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
        removal.
        * c-decl.c (pop_scope): Ditto.
        * calls.c (expand_call): Remove call to current_nesting_level,
        update comment accordingly. Remove calls to expand_start_target_temps
        and expand_end_target_temps.
        * cfgexpand.c (construct_init_block): Remove call to
        expand_start_bindings_and_block.
        (construct_exit_block): Remove call to expand_end_bindings.
        * expr.c (safe_from_p): Remove BIND_EXPR handling.
        (expand_expr_real_1): Ditto. Fix formatting.
        (expand_vars): Delete.
        * stmt.c (POPSTACK): Remove block_stack.
        (stmt_status): Remove x_block_stack.
        (block_stack): Delete.
        (expand_start_bindings_and_block): Ditto.
        (expand_start_target_temps): Ditto.
        (expand_end_target_temps): Ditto.
        (current_nesting_level): Ditto.
        (warn_about_unused_variables): Ditto.
        (expand_end_bindings): Ditto.
        * tree.h: Remove declarations for above.

2004-07-21  Steven Bosscher  <stevenb@suse.de>

        * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
        * rtl.c (note_insn_name): Likewise.
        * print-rtl.c (print_rtx): Don't print it.
        * cfgrtl.h (can_delete_note_p): Don't handle it.
        (rtl_delete_block): Likewise.
        * passes.c (rest_of_handle_guess_branch_prob): Remove.
        (rest_of_compilation): Don't call it.
        * predict.c (process_note_predictions, process_note_prediction,
        note_prediction_to_br_prob): Remove.
        * basic-block.c (note_prediction_to_br_prob): Remove prototype.
        * stmt.c (return_prediction): Remove.
        (expand_value_return): Don't call it.  Don't add prediction
        notes for return statements.

2004-07-21  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
        once.

2004-07-21  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_types_convertible_p): Use vector types'
        TYPE_SIZE and TREE_TYPE instead of their mode.
        * convert.c (convert_to_integer): Likewise.
        (convert_to_vector): Likewise.
        * fold-const.c (fold_convert): Likewise.
        * varasm.c (output_constant): Likewise.
        * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
        Allow a VECTOR_TYPE initializer to be made of several vectors.
        For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
        of cleared and need_to_clear, and use fold_convert.
        * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
        integer vectors.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
        (expand_gimple_basic_block): out from here.  Renamed from expand_block.

2004-07-20  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
        enormous cost if not TARGET_HARD_MUL.

2004-07-20  Andrew Pinski  <apinski@apple.com>

        PR target/16557
        * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
        (ASM_SPEC): here.

2004-07-21  Paul brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.

2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * fold-const.c (operand_equal_p): Temporarily support NULL args.
        (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
        (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.

2004-07-20  Zack Weinberg  <zack@codesourcery.com>

        * rtl.h (plus_constant): Delete.
        (plus_constant_wide): Rename to plus_constant.
        (plus_constant_for_output_wide): Delete vestigial prototype.
        (GEN_INT): Remove unnecessary cast.
        * tree.h (build_int_2, size_int_type): Delete.
        (build_int_2_wide): Rename to build_int_2.
        (size_int_wide): Rename to size_int_kind.
        (size_int_type_wide): Rename to size_int_type.
        (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
        Remove unnecessary cast.
        * tree.c (build_int_2_wide): Rename build_int_2; update comment.
        * explow.c (plus_constant_wide): Rename plus_constant; update comment.
        * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
        (size_int_type_wide): Rename size_int_type.
        (int_const_binop): Use size_int_type.
        * c-lex.c (interpret_integer): Use build_int_2.
        * final.c (split_double): Remove unnecessary casts.
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
        (gimplify_compound_lval): Use is_gimple_tmp_reg.
        * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
        (is_gimple_tmp_reg): New.
        * tree-gimple.h (is_gimple_tmp_reg): Declare.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Dump
        CALL_EXPR_HAS_RETURN_SLOT_ADDR.

2004-07-20  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mf_set_options_fndecl): New tree.
        (mudflap_init): Set it.
        (mudflap_register_call): Remove __mf_init call.
        (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
        to pass "-ignore-reads" option to libmudflap if needed.

2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>

        PR c++/14607
        * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
        (MAKE_DECL_ONE_ONLY): Undefine.
        * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
        readonly_data, one_only_data_section, forget_section): New prototypes.
        * pa.c (pa_init_machine_status, som_text_section_asm_op): New
        functions.
        (pa_select_section): Add one-only (COMDAT) support.
        * pa.h (struct machine_function): Define.
        * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
        (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
        (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
        ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
        ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
        (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
        (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
        (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
        ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
        for EXTRA_SECTION_FUNCTIONS.
        * doc/install.texi: Update binutils requirements.

2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
        VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
        VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
        size_t.
        (struct VEC): Use unsigned for num and alloc.
        * vec.c (struct vec_prefix): Likewise.
        (vec_o_reserve): Adjust.

        * dbxout.c (dbxout_type): Fix printf format.

        * tree.h (binfo_member): Remove.
        * tree.c (binfo_member): Remove.

2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h: Include vec.h
        (DEF_VEC_P(tree)): New type.
        (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
        (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
        (BINFO_LANG_SLOT): Remove.
        (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
        (struct tree_binfo): Turn base_binfos into a trailing
        VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
        (binfo_lang_slots): Remove.
        * tree.c (binfo_lang_slots): Remove.
        (make_tree_binfo_stat): Take a base binfo count, not a
        lang slot count.  Adjust.
        * Makefile.in (TREE_H): Add vec.h
        * alias.c (record_component_aliases): Adjust BINFO access.
        * dbxout.c (dbxout_type): Likewise.
        * dwarf2out.c (gen_member_die): Likewise.
        * sdbout.c (sdbout_one_type): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * config/i386/i386.c (classify_argument,
        contains_128bit_aligned_vector_p): Likewise.
        * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
        * doc/c-tree.texi (Classes): Update BINFO documentation.

2004-07-20  Steven Bosscher  <stevenb@suse.de>

        * c-common.h (check_case_value): Remove prototype.
        (c_add_case_label): Adjust prototype.
        * c-common.c (check_case_value): Make static.
        (check_case_bounds): New function.
        (c_add_case_label): Use it.  Take new argument orig_type.
        * c-typeck.c (struct c_switch): New orig_type field.
        (c_start_case): Set it.
        (do_case): Pass it to c_add_case_label.
        * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
        cases from here.  Add the labels in reverse order.
        * stmt.c (struct case_node): Adjust comment.  Remove balance field.
        (add_case_node): Return nothing, don't check for duplicate cases.
        Insert new case nodes in a list, not in an AVL tree.
        (expand_end_case_type): Don't turn a case tree into a case list.
        (case_tree2list): Remove.
        * tree.h (add_case_node): Adjust prototype.

2004-07-19  Paolo Bonzini  <bonzini@gnu.org>

        * genattr.c (struct range, struct function_unit,
        write_units, extend_range, init_range): Remove them.
        (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
        Output "#define INSN_SCHEDULING" here.
        * genattrtab.c (struct range, struct function_unit_op,
        struct function_unit, struct dimension, enum operator,
        operate_exp, expand_units, simplify_knowing,
        encode_units_mask, simplify_by_exploding,
        find_and_mark_used_attributes, unmark_used_attributes,
        add_values_to_cover, increment_current_value,
        test_for_current_value, simplify_with_current_value,
        simplify_with_current_value_aux, gen_unit,
        write_unit_name, write_function_unit_info,
        write_complex_function, write_toplevel_expr,
        find_single_value, extend_range): Remove.
        (write_attr_get): Do not handle common_av->value
        being an FFS.
        (struct attr_desc): Remove func_units_p and blockage_p.
        (write_attr_valueq): Do not handle them.
        (find_attr): Do not clear them.
        (make_internal_attr): Do not initialize them.
        (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
        * sched-vis.c (init_target_units, insn_print_units,
        init_block_visualization, print_block_visualization,
        visualize_scheduled_insns, visualize_no_unit,
        visualize_stall_cycles, visualize_alloc,
        visualize_free, target_units, get_visual_tbl_length,
        MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
        visual_tbl_line_length, visual_tbl, n_vis_no_unit,
        MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
        * haifa-sched.c (blockage_range, clear_units,
        schedule_unit, actual_hazard, potential_hazard,
        insn_unit, unit_last_insn, unit_tick,
        actual_hazard_this_instance, potential_hazard,
        schedule_unit, max_insn_queue_index_value): Remove.
        (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
        max_insn_queue_index.
        * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
        * doc/md.texi (Processor pipeline description): Remove
        references to old pipeline descriptions.
        (Automaton pipeline description): Merge with the above.
        (Old pipeline description, Comparison of the two descriptions):
        Remove.

        * bt-load.c (migrate_btr_def): Remove references to
        use_pipeline_interface.
        * haifa-sched.c (insn_cost, schedule_insn,
        schedule_block, advance_one_cycle, sched_init,
        queue_to_ready, sched_finish): Likewise.
        * modulo-sched.c (sms_schedule, advance_one_cycle,
        ps_has_conflicts): Likewise.
        * sched-rgn.c (init_ready): Likewise.
        (debug_dependencies): Likewise, and remove an "if (1)".
        * target.h (use_dfa_pipeline_interface): Remove.
        * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.

2004-07-19  Roger Sayle  <roger@eyesopen.com>

        * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.

2004-07-19  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
        (get_eq_expr_value): Use it.  Simplify slightly.

2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
        (umulsidi3_32bit_r4000): Likewise.

2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Propagate location information properly.
        (VEC_T_iterate): Add result pointer parameter.
        (VEC_T_space): New.
        (VEC_T_reserve): Use it.

2004-07-19  Daniel Jacobowitz  <dan@debian.org>

        * Makefile.in (c-format.o): Depend on c-format.h.
        * c-format.h: New file.
        (struct format_char_info): Add CHAIN member.
        * c-format.c: Move some types and constants to c-format.h.
        (format_type_error): Set to -1.
        (struct function_format_info): Use an int for format_type.
        (decode_format_type): Return an int.  Return format_type_error
        on error.
        (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
        (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
        (scan_char_table, time_char_table, monetary_char_table): Initialize
        CHAIN to NULL.
        (n_format_types): New variable.
        (check_format_info_main): Handle CHAIN in format_char_info.
        (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
        TARGET_N_FORMAT_TYPES.
        * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
        (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
        * config/sol2-c.c: New file.
        * config/t-sol2: New file.
        * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
        * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
        TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.

        * doc/extend.texi (Target Format Checks): New section.
        (Function Attributes): Mention it.
        * doc/invoke.texi: Mention target format checks.
        * doc/sourcebuild.texi: Mention target format checks.
        * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
        TARGET_FORMAT_TYPES.

2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_return_address_offset): Prototype
        added.
        * config/s390/s390.c (regclass_map initializer): Register 35 added to
        ADDR_REGS.
        (load_multiple_operation, store_multiple_operation): Removed
        pointless sanity check.
        (s390_decompose_address): Added check for return_address_pointer_rtx.
        (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
        (s390_return_address_offset): New function.
        * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
        (FRAME_REGNO_P): Added check for register 35.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
        REG_ALLOC_ORDER): Appended entry for register 35.
        (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
        (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
        (RETURN_ADDRESS_POINTER_REGNUM): New macro.
        (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
        is eliminable using stack pointer or hard frame pointer.
        (REGISTER_NAMES): Added name for register 35.
        * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
        pointless sanity check.

2004-07-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonzero_p): Add function prototype.
        (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
        fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
        (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
        of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
        (fold_relational_const): Tidy up handling of floating point
        comparisons by calling real_compare.  Remove tree_expr_nonzero_p
        transformation; fold_relational_const assumes constant operands.

2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>

        * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
        directory.

2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_expr): Define.
        (C_SET_EXP_ORIGINAL_CODE): Remove.
        (parser_build_binary_op, build_compound_expr): Update prototypes.
        * c-parse.in (%union): Add exprtype.
        (FUNC_NAME): Mark as ttype.
        (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
        exprtype.
        (expr): Update.  Define directly in terms of expr_no_commas
        instead of using nonnull_exprlist.
        (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
        offsetof_member_designator, typespec_nonreserved_nonattr, init,
        initval, designator, component_declarator,
        component_notype_declarator, enumerator, array_declarator,
        condition, exexpr, switch_statement, stmt_nocomp, stmt,
        nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
        set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
        where appropriate.
        * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
        * c-common.c (c_common_truthvalue_conversion): Don't check
        C_EXP_ORIGINAL_CODE.
        * c-typeck.c (parser_build_binary_op): Use c_expr structures.
        Don't use C_EXP_ORIGINAL_CODE.
        (default_conversion, default_function_array_conversion): Don't use
        C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
        (internal_build_compound_expr): Merge into build_compound_expr.
        (build_compound_expr): Take two operands instead of a TREE_LIST.
        * objc/objc-act.c (get_super_receiver): Update calls to
        build_compound_expr.

2004-07-18  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_use_dfa_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
        hook_int_void_1.
        * config/sh/sh.md: Extract pipeline descriptions
        into separate files.
        * config/sh/sh1.md: New file, extracted from sh.md.
        * config/sh/sh4.md: New file, extracted from sh.md.
        * config/sh/shmedia.md: New file, extracted from sh.md
        and rewritten using new-style pipeline description.

2004-07-18  Zack Weinberg  <zack@codesourcery.com>

        * config/pa/pa.md: Delete the two remaining define_peephole
        patterns.

2004-07-18  Steven Bosscher  <stevenb@suse.de>
            Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c (c_common_truthvalue_conversion): Don't warn if
        TREE_NO_WARNING is set.

2004-07-18  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
        simplify_builtin_strncmp): Delete.
        (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
        Change argument to accept an arglist instead of an "exp".  Assume
        that the return type is always integer_type_node.  Copy missing
        transformations from their now obsolete simplify_builtin_*
        equivalents.
        (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
        fold_builtin_strcmp and fold_builtin_strncmp.
        (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
        and fold_builtin_strncmp instead of simplify_builtin_memcmp,
        simplify_builtin_strcmp and simplify_builtin_strncmp respectively.

2004-07-18  Daniel Jacobowitz  <dan@debian.org>

        * Makefile.in (tree-alias-common.o): Update dependencies.

2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>

        * cfgloop.c (flow_loop_nested_p): Fix comment.

2004-07-17  Jason Merrill  <jason@redhat.com>

        PR c++/16115
        * stor-layout.c (relayout_decl): New fn.
        * tree.h: Declare it.
        (DECL_BY_REFERENCE): New macro.

2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>

        * libgcc2.c (__enable_execute_stack): New symbol.
        * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
        and declare __enable_execute_stack.
        * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
        * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
        * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        (sparc64_initialize_trampoline): Likewise.
        * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.

2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * langhooks.h (builtin_function): New langhook.
        * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * tree.h (builtin_function): Remove.
        * doc/tm.texi: Update.
        * c-tree.h (builtin_function): Declare.
        * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
        config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
        config/ia64/ia64.c, config/iq2000/iq2000.c,
        config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
        config/stormy16/stormy16.c: All callers of builtin_function
        changed.

2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/16556
        * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
        Remove white space after the backslash.

2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/16294
        * resource.c (return_insn_p): New predicate.
        (mark_target_live_regs): Use it.  Special-case return insns.
        (init_resource_info): Use it.  Don't scan the epilogue past
        a return.

2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
        destroy dominance information.
        * passes.c (rest_of_handle_loop2):  Free dominance information.
        * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
        jump threading.
        (thread_jumps): Update dominance information and remove unreachable
        blocks.
        * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
        information and remove the unreachable block.

2004-07-17  Graham Stott  <graham.stott@btinternet.com>

        * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.

2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>

        * doc/sourcebuild.texi: Remove libf2c entry.

2004-07-17  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.md (movv16qi_internal): Fix typo.

2004-07-17  Steven Bosscher  <stevenb@suse.de>

        * final.c (final_scan_insn): Fix broken commit from previous
        patch.

2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (parser_build_binary_op): Condition warnings for
        X<=Y<=Z on -Wparentheses instead of -Wextra.
        * doc/invoke.texi: Update.  Document that most of -Wparentheses is
        supported for C only.

2004-07-17  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (try_simplify_condjump): Don't remove line
        notes to avoid unreachable code warnings.
        * toplev.c (backend_init): Don't emit line notes for
        unreachable code warnings.

        * combine.c (distribute_notes): Don't distribute a
        REG_VTABLE_REF note.
        * final.c (final_scan_insn): Don't handle it.
        * rtl.c (reg_note_name): Remove it.
        * rtl.h (enum reg_node): Dito.

        * emit-rtl.c (force_line_numbers, restore_line_number_status):
        Remove.
        * rtl.h (force_line_numbers, restore_line_number_status):
        Remove prototypes.

        * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
        * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
        (using_eh_for_cleanups): Also moved here.

        * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
        <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
        to expand_start_case and add_case_node.
        * stmt.c (struct nesting): Cleanup unused fields condition_code,
        last_unconditional_cleanup, nominal_type, printname, and
        line_number_status.
        (struct fixup_goto): Remove.
        (struct stmt_status): Remove x_goto_fixup_chain field.
        (goto_fixup_chain): Remove.
        (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
        pushcase, pushcase_range): Remove.
        (expand_start_bindings_and_block): Don't set unused fields in
        the nesting stack.
        (expand_start_case, add_case_node): Cleanup unused formal arguments.
        (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
        instead of emit_jump_if_reachable.
        (emit_case_nodes): Likewise.
        * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
        static.
        (update_eh_label): Work around left-over exception handing regions.
        * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
        (pass_cleanup_cfg_post_optimizing): New pass.
        (init_tree_optimization_passes): Run the new pass after all
        optimizations.
        * tree.h (pushcase, pushcase_range): Remove prototypes.
        (expand_start_case, add_case_node): Update prototypes.

2004-07-16  Krister Walfridsson  <cato@df.lth.se>

        * tree-inline.c (estimate_num_insns_1): Correct increase of count.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_expand_builtin_va_arg): Remove.
        (expand_builtin_va_arg): Remove.
        * expr.h: Don't declare them.
        * gimplify.c (mark_decls_volatile_r): Remove.
        (copy_if_shared_r): Don't call it.
        * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
        * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
        * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
        EXPAND_BUILTIN_VA_ARG.
        * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
        * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
        config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
        config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (insert_aux): Break out if we hit
        a critical edge.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * basic-block.h (remove_fake_exit_edges): Declare.
        * cfganal.c (remove_fake_predecessors): Rename from
        remove_fake_successors; iterate over predecessors.
        (remove_fake_exit_edges): New.
        * cfgcleanup.c (try_optimize_cfg): Use it.
        * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
        * predict.c (estimate_probability): Likewise.
        (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
        * tree-cfg.c (make_edges): Likewise.
        * tree-ssa-pre.c (fini_pre): Likewise.
        * profile.c (instrument_edges): Don't remove_fake_edges.
        (branch_prob): Do it earlier here.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
        switchification wrt CONSTRUCTOR.  Document the reason.

2004-07-16  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mf_file_function_line_tree): Correct typo
        that prevented descriptive __mf_check source location strings.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-def (WITH_SIZE_EXPR): New.
        * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimplify.c (maybe_with_size_expr): New.
        (gimplify_arg, gimplify_modify_expr): Use it.
        (gimplify_modify_expr_to_memcpy): Take size parameter.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr): Handle WITH_SIZE_EXPR.
        * tree-alias-common.c (find_func_aliases): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-gimple.c (is_gimple_lvalue): Likewise.
        (get_call_expr_in): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        (expand_calls_inline): Likewise.
        * tree-nested.c (convert_call_expr): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-sra.c (sra_walk_expr): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-tailcall.c (find_tail_calls): Likewise.

        * calls.c (expand_call): Reset old_stack_allocated after
        calling emit_stack_restore.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
        lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
        * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
        * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
        copy_res_decl_for_inlining.

        * tree-inline.c (declare_return_variable): New modify_dest argument.
        Use it as the return value, when possible or manditory.  Handle
        TREE_ADDRESSABLE types.
        (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
        replacement of CALL_EXPR.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
        * gimple-low.c (expand_var_p): Don't check it.
        * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
        * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
        * tree-ssa-operands.c (add_stmt_operand): Likewise.
        * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
        (find_referenced_vars): Don't call them.
        * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * function.c (pass_by_reference): True for all variable sized types.

2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
        * tree-pretty-print.c: Include tree-chrec.h.
        (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
        and POLYNOMIAL_CHREC nodes.

2004-07-16  Steve Ellcey  <sje@cup.hp.com>

        * builtins.c (expand_builtin_stpcpy): Do not create temporary
        reg with VOIDmode.

2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).

2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Changed every occurence of BASE_REGISTER
        to BASE_REGNUM.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.h: Likewise.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (addsi3, adddi3): Remove special handling
        of $sp adds.  Remove REGNO checks from mips16 patterns.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Delete outdated comment.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (get_float_compare_codes): Delete.
        (mips_emit_compare): New function, mostly extracted from
        get_float_compare_codes and gen_conditional_branch.
        (gen_conditional_branch, gen_conditional_move): Use it.

2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (add_vect): Speedup by using integers as
        bit-vectors for walking through the comb_vect and finding
        a match.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
        operand is an uns_arith_operand; use subtraction otherwise.
        * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
        not just arith_operands.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (gen_int_relational): Delete.
        (mips_emit_scc): Declare.
        * config/mips/mips.c (internal_test): Delete.
        (sle_operand, sleu_operand): New functions.
        (map_test_to_internal_test, gen_int_relational): Delete.
        (mips_emit_binary, mips_relational_operand_ok_p)
        (mips_emit_int_relational, mips_zero_if_equal)
        (mips_emit_scc): New functions.
        (gen_conditional_branch): Rework to use mips_emit_int_relational.
        * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
        sleu_operand.
        * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
        (sltu, sleu): Use mips_emit_scc.
        (*sge_[sd]i, *sgeu_[sd]i): New patterns.
        (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
        (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
        (*sne_[sd]i): Likewise sne_[sd]i_zero.
        (*sgt_[sd]i): ...and sgt_[sd]i.
        (*slt_[sd]i): ...and slt_[sd]i.
        (*sgtu_[sd]i): ...and sgtu_[sd]i.
        (*sltu_[sd]i): ...and sltu_[sd]i.
        (*sleu_[sd]i): ...and sleu_[sd]i_const.
        Name previously unnamed mips16 patterns.  Formatting fixes.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
        (branch_type): Delete.
        (gen_conditional_branch, gen_conditional_move)
        (mips_gen_conditional_trap): Update after name change.  Get the
        comparison mode from cmp_operands[0].
        * config/mips/mips.h (cmp_type, branch_type): Delete.
        (cmp_operands): Renamed from branch_cmp.
        * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
        name change.  Don't set branch_type.
        (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
        mode class of cmp_operands[0] rather than branch_type.  Update after
        name change.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
        of 0...255 to 0 when inside a SET.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Remove mips16 define_peepholes.

2004-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
        (fini_pre): Remove fake edges.

2004-07-15  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
        (get_indirect_ref_operands, get_call_expr_operands): ... these.

2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_address): New function.

2004-07-14  Jason Merrill  <jason@redhat.com>

        PR middle-end/15885
        * gimplify.c (gimplify_arg): New fn, split out from...
        (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.

2004-07-15  Roman Zippel  <zippel@linux-m68k.org>

        * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
        generate code which is generated by pushqi1 now
        * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.

2004-07-15  Roman Zippel  <zippel@linux-m68k.org>

        * combine.c (simplify_set): match the mode of the constant 0 with
        the tested operand to match the compare behaviour and the
        simplify_relational_operation() expectation.

2004-07-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
        ("bordered"): Same.

2004-07-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
        unconditionally.
        * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.

2004-07-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
        calls in mips16 code.

2004-07-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
        the destination of the li as well as for the neg.

2004-07-15  Frank Ch. Eigler  <fche@redhat.com>

        g++/15861
        * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
        * cgraph.h: Update declaration.
        * c-decl.c (build_cdtor): Update call with default priority.
        * coverage.c (create_coverage): Ditto.
        * tree-mudflap.c (mf_init_fndecl): New tree.
        (mudflap_init): Set it.
        (mudflap_register_call): Arrange to call __mf_init before the first
        __mf_register call.
        (mudflap_finish_file): Mark the mudflap static initializer as extra
        high priority, to beat all C++ static constructors.

2004-07-15  Jeff Law  <law@redhat.com>

        * loop.c (check_insn_for_givs): Restore check for code labels that was
        accidentally deleted by a recent checkin.

2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
        (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * print-tree.c (print_node): Fix casts last change.

2004-07-15  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
        to TARGET_UNWIND_INFO.
        * except.c (output_function_exception_table): Ditto.
        * except.h: Ditto.
        * opts.c (decode_options): Ditto.
        * passes.c (rest_of_handle_final): Ditto.
        * final.c (final_start_function): Ditto.
        (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
        target hook.
        * targhooks.h (default_unwind_emit): Declare.
        * targhooks.c (default_unwind_emit): New function.
        * target-def.h: Define and use TARGET_UNWIND_EMIT.
        * target.h (struct gcc_target): Add unwind_emit.
        * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
        * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
        Remove IA64_UNWIND_EMIT.
        * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * print-tree.c (print_node): Handle SSA_NAME.

2004-07-14  James E Wilson  <wilson@specifixinc.com>

        PR target/16325
        * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
        and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.

2004-07-15  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Reenable bitfield += optimizations.
        Use alias set 0 for memory, do proper mode calculations and adjust
        address for memories.

2004-07-14  Per Bothner  <per@bothner.com>

        * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
        structure with extra column field.
        * tree.c (expand_location):  Also fill in column field.
        * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
        gets confused by the two conditionally-compiled definitions.

2004-07-14  Eric Christopher  <echristo@redhat.com>

        * calls.c (expand_call): Fix typo in comment.

2004-07-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
        comparision of TFmode.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
        (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
        * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2004-07-14  Mike Stump  <mrs@apple.com>

        * config/darwin.h (WINT_TYPE): Define to be int to match
        system header files.

2004-07-14  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg_advance): Check for args
        that must be passed in the stack.
        (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
        arguments if the size is not a constant.

2004-07-14  Per Bothner  <per@bothner.com>

        * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
        instead of EXPR_LOCUS in a boolean context, which is always true
        if --enable-mapped-location.
        * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * dominance.c (struct dom_info): Add fake_exit_edge.
        (init_dom_info): Allocate it.
        (free_dom_info): Free it.
        (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
        in two passes.
        (calc_idoms): Honor fake_exit_edge.

2004-07-13  Jason Merrill  <jason@redhat.com>

        * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
        (rhs_test_for): New fn.
        (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
        * tree-gimple.h: Declare them.
        * gimplify.c (gimplify_modify_expr): Use the new fns.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * config/arm/arm-protos.h (arm_va_arg): Remove.
        * config/arm/arm.c (arm_va_arg): Remove.
        (arm_init_expanders): Fix alignment of arg_pointer_rtx.
        * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (fix_range): New function to mark a range(s) of registers as
        fixed registers.
        (override_options): Call fix_range if the -mfixed-range option string
        is not empty.
        * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
        * doc/invoke.texi (-mfixed-range): Document new option.

2004-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
        for TARGET_64BIT.
        (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.

2004-07-14  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_sdiv_pow2): New function to expand signed division
        by a positive power of two, split out from expand_divmod.  Provide
        an alternate implementation when shifts are expensive.  Lower the
        threshold for using a branchless implementation to BRANCH_COST >= 2.
        (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * tree-dfa.c (make_rename_temp): *Really* work just
        like create_tmp_var if called while outside SSA form.

2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("udivsi3"): Ensure trap is generated
        for division by zero.
        ("umodsi3"): Likewise.

2004-07-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_output_move): When generating mips16 code,
        force loads of negative constants to be split.
        * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
        Generalize SImode li/neg splitter to cope with other modes.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c: Remove more references to QUEUED in the comments.
        * expr.c: Likewise.

2004-07-14  Richard Sandiford  <rsandifo@redhat.com>

        Revert:
        2004-07-13  Richard Henderson  <rth@redhat.com>
        * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
        correctly.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * tree-dfa.c (make_rename_temp): Work just like
        create_tmp_var if called while outside SSA form.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (enqueue_insn, finish_expr_for_function,
        protect_from_queue, queued_subexp_p, mark_queue,
        emit_insns_enqueued_after_mark, emit_queue,
        expand_increment): Remove.
        (store_constructor): Expand increment as an assignment.
        (expand_expr_real_1 <case PREINCREMENT_EXPR,
        case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
        case POSTDECREMENT_EXPR>): Abort.
        * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
        QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
        protect_from_queue, emit_queue, queued_subexp_p): Remove.
        * function.h (pending_chain, x_pending_chain): Remove.
        * rtl.def (QUEUED): Remove.

        * emit-rtl.c (copy_insn_1, copy_most_rtx,
        set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
        * genattrtab.c (attr_copy_rtx, clear_struct_flag,
        encode_units_mask): Likewise.
        * local-alloc.c (equiv_init_varies_p): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
        * simplify-rtx.c (simplify_gen_subreg): Likewise.
        * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.

        * builtins.c (expand_builtin, expand_builtin_apply,
        expand_builtin_mathfn, expand_builtin_mathfn_2,
        expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
        Remove calls to emit_queue and protect_from_queue.
        * calls.c (expand_call, precompute_arguments,
        precompute_register_parameters, rtx_for_function_call,
        store_one_arg): Likewise.
        * dojump.c (do_compare_and_jump, do_jump): Likewise.
        * explow.c (memory_address): Likewise.
        * expmed.c (clear_by_pieces_1, clear_storage,
        clear_storage_via_libcall, emit_group_load,
        emit_group_store, emit_store_flag,
        expand_expr_real_1, store_by_pieces,
        store_constructor, store_expr, try_casesi,
        try_tablejump): Likewise.
        * function.c (expand_pending_sizes): Likewise.
        * optabs.c (emit_cmp_and_jump_insns,
        emit_conditional_add, emit_conditional_move,
        expand_fix, expand_float, prepare_cmp_insn): Likewise.
        * stmt.c (emit_case_bit_tests,
        expand_asm_expr, expand_computed_goto,
        expand_decl_init, expand_end_case_type,
        expand_end_stmt_expr, expand_expr_stmt_value,
        expand_return, expand_start_case,
        optimize_tail_recursion): Likewise.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
        * config/s390/s390.c (s390_expand_cmpmem): Likewise.

2004-07-14  Ben Elliston  <bje@au.ibm.com>

        * vec.h: Comment fix.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * target.h (struct gcc_target): Add calls.pass_by_reference.
        * target-def.h (TARGET_PASS_BY_REFERENCE): New.
        * function.c (pass_by_reference): Use the hook.
        * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
        * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
        (hook_pass_by_reference_must_pass_in_stack): New.
        * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
        (alpha_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/arc/arc.c (arc_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
        * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
        (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
        * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/cris/cris.c (cris_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
        (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
        * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
        * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
        (frv_function_arg_pass_by_reference): Remove.
        * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
        * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
        (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
        * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
        (ia64_pass_by_reference): Rename from
        ia64_function_arg_pass_by_reference.
        * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
        * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
        (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
        * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
        (m32r_pass_by_reference): Adjust prototype.  Make static.
        Handle mode sizes correctly.
        * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
        (m68hc11_function_arg_pass_by_reference): Remove.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
        * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
        * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
        (mips_va_arg): Use pass_by_reference.
        (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
        Handle mode sizes correctly.
        * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
        * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
        (mmix_pass_by_reference): Rename from
        mmix_function_arg_pass_by_reference.
        * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
        (mn10300_pass_by_reference): New.
        * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/pa/pa.c (pa_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
        * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
        (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
        * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
        (s390_pass_by_reference): Rename from
        s390_function_arg_pass_by_reference.
        (s390_function_arg_advance): Don't query pass-by-ref.
        (s390_function_arg): Likewise.
        (s390_gimplify_va_arg): Use pass_by_reference.
        (s390_call_saved_register_used): Likewise.
        * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
        (shcompact_byref, sh_pass_by_reference): New.
        * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (SHCOMPACT_BYREF): Remove.
        * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
        * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
        (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
        (sparc_gimplify_va_arg): Use pass_by_reference.
        * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
        (v850_pass_by_reference): New.
        * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
        FUNCTION_ARG_PASS_BY_REFERENCE docs.

2004-07-14  Richard Henderson  <rth@redhat.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_va_arg): Delete.
        * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
        * config/mips/mips.c: Include tree-gimple.h.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        (mips_arg_info): Remove special handling of must_pass_in_stck args.
        (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
        (function_arg_pass_by_reference): Return true if must_pass_in_stack.

2004-07-13  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
        arguments for COND_EXPR in big-endian adjustment code.

2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
        * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
        * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
        * pa64-regs.h (REG_ALLOC_ORDER): Likewise.

2004-07-13  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16443
        * tree-ssa-alias.c: Add more description for
        CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
        * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
        clobbering of call-clobbered and addressable variables.  If
        there are any before aliases have been computed, add them.

2004-07-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (execute_todo): Flush DUMP_FILE before
        verification.

2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
        of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
        to the same type.

2004-07-13  Per Bothner  <per@bothner.com>

        * collect2.c (main):  Handle --no-demangle and --demangle flags.

2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (OBJS-common): Add tree-data-ref.o.
        (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
        (tree-data-ref.o): New rule.
        * lambda.h: New file.
        * tree-data-ref.c: New file.
        * tree-data-ref.h: New file.
        * tree.c (int_cst_value, tree_fold_gcd): New functions.
        * tree.h (int_cst_value, tree_fold_gcd): Declared here.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13926
        * config/sparc/sparc-protos.h (output_ubranch): New prototype.
        * config/sparc/sparc.c (output_ubranch): New function.
        * config/sparc/sparc.md (jump pattern): Use it.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16494
        * config/sparc/sparc.c (output_cbranch): Properly guard
        the code handling far branches with TARGET_V9.
        * config/sparc/sparc.md (length attribute): Document the
        side-effect of having a length greater or equal to 3.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>

        PR target/15186
        * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
        /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Martin Sebor  <sebor@roguewave.com>

        PR target/12602
        * doc/invoke.texi (SPARC options): Document -threads
        and -pthreads on Solaris.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Handle types passed
        by reference.
        (ind_gimplify_va_arg_expr): Remove.
        * tree.h (ind_gimplify_va_arg_expr): Remove.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
        * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
        argsp to be null.

        * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
        * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/v850/v850.c: Similarly.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * function.c (pass_by_reference): New.
        (assign_parm_find_data_types): Use it.
        * calls.c (initialize_argument_information): Likewise.
        (emit_library_call_value_1): Likewise.
        * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * function.h (pass_by_reference): Declare.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
        * target.h (struct gcc_target): Add calls.must_pass_in_stack.
        * expr.h (MUST_PASS_IN_STACK): Remove.
        * system.h (MUST_PASS_IN_STACK): Poison.
        * tree.h (must_pass_in_stack_var_size): Declare.
        (must_pass_in_stack_var_size_or_pad): Declare.
        * calls.c (must_pass_in_stack_var_size): New.
        (must_pass_in_stack_var_size_or_pad): Rename from
        default_must_pass_in_stack.
        * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
        * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
        * config/frv/frv.c (frv_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
        * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
        * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
        (ix86_must_pass_in_stack): Make static.
        * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
        * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
        * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
        * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
        * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
        (mcore_must_pass_on_stack): Remove.
        * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
        * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
        * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
        * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
        * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
        * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
        MUST_PASS_IN_STACK.

        * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
        config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
        config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
        config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
        config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
        config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
        config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
        config/xtensa/xtensa.c: Use target hook.

2004-07-13  Anthony Heading  <aheading@jpmorgan.com>

        * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
        * configure: Rebuilt.

2004-07-13  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
        * config/mips/mips.h (mips_reg_names): Don't declare.
        (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
        (TARGET_NAME_REGS): Delete.
        (TARGET_SWITCHES): Remove -mrnames.
        (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
        (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
        in REGISTER_NAMES.
        * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
        (override_options): Remove handling of TARGET_NAME_REGS.

2004-07-13  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (TARGET_*): Boolify.

2004-07-12  Nick Clifton  <nickc@redhat.com>

        * config.gcc: Add sh-*-symbianelf target.
        * config/sh/sh.c: Add new target macros:
        TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
        TARGET_CXX_IMPORT_EXPORT_CLASS.
        (sh_file_start): Create a definition of the .directive section.
        (sh_attribute): Add dllimport and dllexport attributes.
        * config/sh/symbian-pre.h: New file.
        * config/sh/symbian-post.h: New file.
        * config/sh/symbian.c: New file. Contains Symbian specific
        functions.
        * config/sh/sh-protos.h: Add prototypes for new functions
        provided by symbian.c.
        * config/sh/t-symbian: New file.
        * doc/extend.texi: Document support for dllimport and dllexport
        attributes by the sh-symbianelf target.

2004-07-12  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (AR): Use @AR@ not ar.
        (NM): New.
        (AR_FOR_TARGET): Use $(AR) not ar for native.
        (NM_FOR_TARGET): Use $(NM) not nm for native.
        * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
        * configure: Regenerate.

2004-07-12  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.md (ashlsi3): Eliminate const 1
        special case.
        (ashldi3_sp64): Likewise.

2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16477
        * pa.c (function_arg): Update comment.
        * pa.h (BLOCK_REG_PADDING): Define.

2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/16461
        * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
        arguments of phi nodes.

2004-07-12  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi (Darwin Options): Document -gused and -gfull.

2004-07-12  Steve Ellcey  <sje@cup.hp.com>

        * function.c (expand_function_start): Ensure r_save is in Pmode.
        * calls.c (prepare_call_address): Ensure static_chain_value is
        in Pmode.
        * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
        r_save_area are in Pmode.
        * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
        fnaddr, and static_chain are in Pmode.

2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16445
        * config/ia64/ia64.c (bundling): Don't count ignored insns.

2004-07-12  Richard Henderson  <rth@redhat.com>

        * target.h (struct gcc_target): Move gimplify_va_arg_expr
        next to build_builtin_va_list.
        * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
        * builtins.c (gimplify_va_arg_expr): Likewise.
        * gimplify.c (copy_if_shared_r): Likewise.

2004-07-12  Alexandre Oliva  <aoliva@redhat.com>

        * passes.c (rest_of_decl_compilation): Don't defer call of
        assemble_variable if its DECL_RTL is already set.

2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>

        * cfgloop.h (struct loop): Add nb_iterations field.
        (current_loops): Declare.
        * tree-chrec.c (chrec_not_analyzed_yet,
        chrec_dont_know, chrec_known, count_ev_in_wider_type,
        chrec_contains_symbols_defined_in_loop): Remove the temporary
        hooks.
        * tree-flow-inline.h (loop_containing_stmt): New function.
        * tree-scalar-evolution.c: Add implementation.
        * tree-scalar-evolution.h: Add declarations.

2004-07-12 Vladimir Makarov <vmakarov@redhat.com>

        PR rtl-optimization/15921
        * Makefile.in (global.o): Add recog.h.

        * global.c (recog.h): Add the include-clause.
        (bb_info): New member earlyclobber.
        (allocate_bb_info, free_bb_info): Initialize/finish the new
        member.
        (earlyclobber_regclass, earlyclobber_regclass_length): The new
        global variables.
        (check_earlyclobber, regclass_intersect,
        mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
        New functions.
        (calculate_local_reg_bb_info): Calculate value of earlyclobber.
        (make_accurate_live_analysis): Modify pavin.

2004-07-12  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfg.c (find_taken_edge): Statically compute the truth
        value of a predicate comparing an SSA_NAME to itself.

2004-07-12  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
        rs6000 doesn't have shift-and-add or shift-and-sub instructions
        by returning the cost of a multiplication plus an addition.

2004-07-12  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/14107
        * gimplify.c (gimplify_return_expr): Accept a
        RETURN_EXPR with an error argument.
        * tree-optimize.c (init_tree_optimization_passes):
        Run pass_warn_function_return at -O0.

2004-07-12  Roger Sayle  <roger@eyesopen.com>

        * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
        index entry.

2004-07-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/mips/3000.md: Add copyright notice.  Remove automota and
        function units; use generic ones instead.  Only define reservations
        for things that are different from generic.md.  Extend each clause
        to include r3900.
        * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
        * config/mips/mips.md: Include them. Remove define_function_units.
        (alu, imuldiv): New automata and units.

2004-07-12  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Document -frename-registers
        not being enabled by default at -O3.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
        floating point additions, to keep real immediate constant positive.
        <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
        into X + C, and leave positive real constants as X - C.

2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (hppa_gimplify_va_arg_expr): Remove comment.

2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/15654
        * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_fputs): Don't bother converting the
        return type to integer_type_node, as we've already checked that
        the result will be ignored.

        * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
        that signed addition, subtraction, multiplication, division,
        remainder, negation and absolute value may potentially trap.

        * fold-const.c (fold_ignored_result): New function to strip
        non-side-effecting tree nodes from an expression whose result
        is ignored.
        (fold_convert): Call fold_ignored_result when casting a value
        to VOID_TYPE.
        (omit_one_operand):  Call fold_ignored_result on the "omitted"
        operand when building a COMPOUND_EXPR.
        (pedantic_omit_one_operand): Likewise.
        * tree.h (fold_ignored_result): Prototype here.
        * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
        when we're going to ignore the result.

2004-07-11  Richard Henderson  <rth@redhat.com>

        PR tree-opt/16383
        * tree-ssa-ccp.c (fold_stmt_r): Split out...
        * tree.c (fields_compatible_p, find_compatible_field): ... new.
        * tree.h (fields_compatible_p, find_compatible_field): Declare.
        * tree-sra.c (sra_hash_tree): Hash fields by offset.
        (sra_elt_eq): Use fields_compatible_p.
        (generate_one_element_ref): Use find_compatible_field.

2004-07-11  Richard Henderson  <rth@redhat.com>

        PR tree-opt/16422
        * tree-sra.c (generate_one_element_init): New.
        (generate_element_init): Use it.
        (scalarize_init): Push/pop gimplify context around it.
        (find_new_referenced_vars_1, find_new_referenced_vars): New.
        * gimplify.c (gimplify_expr): Allow SSA_NAME.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
        combine.c's combine_insn_cost.
        * rtl.h (insn_rtx_cost): Prototype here.
        * combine.c (combine_insn_cost): Delete function.
        (combine_validate_cost): Update callers of combine_insn_cost to
        call insn_rtx_cost instead.
        (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
        requesting the rtx_cost of call and/or jump instructions.

        * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
        rtx_cost directly.  Don't request/use the cost of call or jump
        instructions.  Return -1 if the cost of any instruction can't be
        determined (or the BB contains a function call).
        (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
        -1 (i.e. can't determine the cost of any instruction or the basic
        block contains a subroutine call).
        (find_if_case_2): Likewise.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * rs6000.c (struct processor_costs): Change semantics of fields to
        include the COST_N_INSNS scaling, and update all initializers.
        (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
        Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
        Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
        optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * LANGUAGES: Remove obsolete information.

2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
        SIGBUS signal frames, the PSW address points *to* the faulting
        instruction, not after it.

2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
        added to TLS symbol addresses.

2004-07-11  Richard Henderson  <rth@redhat.com>

        * expmed.c (init_expmed): Use stack-local structures for
        temporary rtl.  Don't recognize shifts.

2004-07-11  Richard Henderson  <rth@redhat.com>

        * expr.c (store_expr): Don't fiddle subreg promotion for types
        with precision smaller than the mode.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * tree.h (all_types_permanent): Remove.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
        maybe_build_cleanup, update_decl_after_saving): Remove hooks.
        * langhooks.c (lhd_clear_binding_stack): Remove.
        * langhooks-def.h (lhd_clear_binding_stack,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP,
        LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
        (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
        * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP,
        LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
        * tree.h (poplevel): Don't declare.
        * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
        * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
        Remove.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR tree-optimization/16437
        * c-common.c (shorten_compare): Don't mark result of conversion to
        narrower signed type as overflowing.
        * fold-const.c (decode_field_reference): Determine whether
        signedness comes from outer type using precision rather than size.

2004-07-11  Phil Edwards  <phil@codesourcery.com>

        * configure.ac:  Alphabetize --enable-checking list, add
        missing valgrind entry.
        * configure:  Regenerate.

2004-07-11  Phil Edwards  <phil@codesourcery.com>

        * doc/install.texi (Testing):  Fix syntax in "make check" example.

2004-07-10  James E Wilson  <wilson@specifixinc.com>

        * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.

2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/16001
        * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
        niter_expr.

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

        * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.

2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
            James Morrison  <phython@gcc.gnu.org>

        * doc/contrib.texi (Contributors): Add gfortran contributors and
        fix a couple of typos.

2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/15387
        * calls.c (check_sibcall_argument_overlap_1): Handle pointers
        to incoming args space correctly.

2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_indirect_call): Only use %r2 as the link register in
        indirect calls with the long PA 2.0 pc-relative branch.

2004-07-10  Daniel Jacobowitz  <dan@debian.org>

        * config/i386/i386.c (override_options): Pick a 64-bit CPU
        for the default tuning if TARGET_64BIT.

2004-07-10  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
        to HOST_WIDE_INT.  Fold pad-args-down arithmetic.

2004-07-10  Jakub Jelinek  <jakub@redhat.com>

        * expr.h (store_bit_field, extract_bit_field): Remove last argument.
        * expmed.c (store_bit_field, extract_bit_field): Remove last
        argument.
        * builtins.c (expand_builtin_signbit): Adjust callers.
        * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
        * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
        * ifcvt.c (noce_emit_move_insn): Likewise.
        * stmt.c (expand_return): Likewise.
        * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
        store_field, expand_expr_real_1): Likewise.

2004-07-10  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.

2004-07-09  Mike Stump  <mrs@apple.com>

        * config/darwin.c (no_dead_strip): Add.
        (HAVE_DEAD_STRIP): Add.
        (darwin_emit_unwind_label): Ensure that we don't dead code strip
        the .eh label.

2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-im.c: New file.
        * Makefile.in (tree-ssa-loop-im.o): Add.
        * cfgloop.c (superloop_at_depth): New function.
        * cfgloop.h (superloop_at_depth): Declare.
        * common.opt (ftree-lim): New flag.
        * expr.c (array_ref_up_bound): New function.
        * params.def (PARAM_LIM_EXPENSIVE): New parameter.
        * timevar.def (TV_LIM): New timevar.
        * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
        computing immediate uses of a phi node.
        * tree-flow.h (struct tree_ann_common_d): Add aux field.
        (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
        * tree-pass.h (pass_lim): Declare.
        * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
        functions.
        (pass_lim): New pass structure.
        * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
        * tree.c (in_array_bounds_p): New function.
        * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
        (in_array_bounds_p, array_ref_up_bound): Declare.
        * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
        * doc/passes.texi (tree-ssa-loop-im.c): Document.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_stpcpy): Don't modify len.

        * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
        with prejudice.

2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>

        * flags.h: Delete redundant prototypes that are being generated
        in options.h from common.opt.
        * common.opt: Add in the expository comments formerly in flags.h.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
        available for use only when TARGET_MMX/_SSE is set, and check for
        variable argument function if any register count is non-zero.
        (function_arg): Correctly suppress repeated warnings for passing SSE
        vectors are arguments without SSE enabled.
        (ix86_function_arg_boundary): Without SSE enabled, the use of what
        would be SSE register modes does no longer influence the alignment.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
        Always align upward to arg boundary.  Use size_in_bytes/round_up.
        Maintain type-correctness of constants.
        * stor-layout.c (round_up, round_down): Special-case powers of 2.

2004-07-09  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (*_costs): Scale instruction costs
        by COSTS_N_INSNS.
        (sparc_rtx_costs): Adjust as appropriate.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/mm3dnow.h: New.
        * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_const_relational_operation): Only
        look at bounds of scalar integers.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.

2004-07-09  Andrew Pinski  <apinski@apple.com>

        * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
        always referenced.
        (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
        UOBJC_METACLASS_decl.

2004-07-09  James E Wilson  <wilson@specifixinc.com>

        PR target/16364
        * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
        do return a parallel if hfa_mode == XFmode and mode == TImode.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
        permissible for unary plus.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
        (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
        (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
        (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
        BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
        * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
        BUILTIN_POPCOUNTxxx): Arguments are unsigned.
        (BUILTIN_xxxIMAX): New.
        * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
        BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
        BUILT_IN_PARITYIMAX.

2004-07-09  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.h (processor_costs): Define.
        (sparc_costs): Declare.
        * config/sparc/sparc.c (cypress_costs, supersparc_costs,
        hypersparc_costs, sparclet_costs, ultrasparc_costs,
        ultrasparc3_costs): New.
        (sparc_override_options): Set sparc_costs as appropriate.
        (sparc_rtx_costs): Use sparc_costs instead of messy
        conditionals.

2004-07-09  Steven Bosscher  <stevenb@suse.de>

        * doc/md.texi (Processor pipeline description): Mention that
        the old pipeline description is deprecated.

        * config/rs6000/7450.md (automaton ppc7450): Split up, move
        mciu_7450 function unit to...
        (automaton ppc7450mciu): ...new automaton.

        * haifa-sched.c (insert_schedule_bubbles_p): Remove.
        (schedule_block): Don't consider inserting bubbles.
        (sched_init): Don't initialize DFA bubbles.
        * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
        TARGET_SCHED_DFA_BUBBLE): Remove.
        * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
        * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
        TARGET_SCHED_DFA_BUBBLE): Remove documentation.

        * stmt.c (conditional_context): Remove prototype.
        * tree.h (conditional_context): Remove.
        * tree-cfg.c (pre_insert_on_edge): Remove.

        * c-common.h (c_expand_asm_operands): Remove prototype.
        * c-typeck.c (c_expand_asm_operands): Remove.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
        their base modes. CTImode, TCmode, and XCmode must be passed in memory.
        TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
        and V8QI are class SSE. All sufficiently small remaining vector modes
        must be passed in one or two integer registers.
        (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
        returned in memory.
        (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
        __builtin_ia32_pmuludq128 have non-uniform argument and return types
        and must thus be handled explicitly.
        * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
        MMX and XMM regs.
        (movv8qi_internal, movv4hi_internal, movv2si_internal,
        movv2sf_internal): Permit moving between MMX and XMM registers (since
        MMX areguments and return values are passed in XMM registers).
        (sse2_umulsidi3): Correct type and mode.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.

2004-07-09  Eric Christopher  <echristo@redhat.com>

        * config/rs6000/40x.md: Split into two automatons.

2004-07-09  Zack Weinberg  <zack@codesourcery.com>
            Andrew Pinski  <apinski@apple.com>

        * c-opts.c (c_common_post_options): Force unit-at-a-time mode
        on when we have more than one input file.
        (c_common_parse_file): Restore loop over all input files.
        Clarify diagnostic for -dy when YYDEBUG wasn't defined.

        * c-decl.c (set_type_context): New function.
        (pop_scope): Use it to set context of types.  When we
        encounter a TYPE_DECL, set the context of the attached type too.
        (pop_file_scope): Don't call cpp_undef_all here.
        (diagnose_mismatched_decls): Do not complain about a second
        definition of an 'extern inline' function if it's not in the
        same translation unit.  Do not complain about inline
        declaration after use if the use was in a different
        translation unit.
        (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
        (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
        the external scope.
        (pushdecl_top_level): Likewise.
        (grokdeclarator): Clarify what is going on with setting
        DECL_EXTERNAL on function types, a little.
        (c_write_global_declarations): Don't do anything if
        -fsyntax-only or errors have been encountered.

2004-07-09  Zack Weinberg  <zack@codesourcery.com>

        * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.

2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16459
        * pa.c (output_indirect_call): Use %r2 as the link register when
        calling $$dyncall with a pc-relative branch.

2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Mention OpenPKG.

2004-07-09  Diego Novillo  <dnovillo@redhat.com>

        Fix PR tree-optimization/15555
        * tree-dfa.c (dump_variable): If the variable is a pointer
        SSA_NAME, also dump its points-to information.
        * tree-flow.h (struct ptr_info_def): Add field
        is_dereferenced.
        (dump_points_to_info_for): Declare.
        (debug_points_to_info_for): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add a
        second alias analysis pass after DOM2.
        Move pass_del_pta to a later spot.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
        create a name tags when we find a dereferenced pointer.  Just
        mark the pointer dereferenced.
        (collect_points_to_info_for): Move code to clear points-to
        information to create_name_tags.
        (create_name_tags): New function.
        (compute_flow_sensitive_aliasing): Call it.
        (setup_pointers_and_addressables): Mark type tags for renaming
        here instead of ...
        (create_memory_tag): ... here.
        (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
        (dump_points_to_info_for): Declare extern.
        (debug_points_to_info_for): New function.

2004-07-09  Paolo Bonzini  <bonzini@gnu.org>

        * config/arc/arc.md: Switch to DFA-based scheduler description.
        * config/arc/arc.c: Switch to DFA-based scheduler description.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
        pointer.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
        * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
        * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/v850/v850-protos.h (v850_va_arg): Remove.
        * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
        * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
        (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        PR target/12133
        * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
        and DImode to use +/-4k offset.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
        Remove.
        * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (xstormy16_gimplify_va_arg_expr): Rewrite from
        xstormy16_expand_builtin_va_arg.
        * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.

        * config/sh/sh-protos.h (sh_va_arg): Remove.
        * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
        * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/pa/pa-protos.h (hppa_va_arg): Remove.
        * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
        * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
        * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
        * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (return): Rewrite length formula.
        * config/sparc/sparc.c (output_return): Pass 1 as 5th
        argument to final_scan_insn when in a delay slot.
        (output_sibcall): Likewise.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_cpp_interwork): New variable.
        (arm_override_options): Set it if TARGET_INTERWORK was on the command
        line.
        * arm.h (arm_cpp_interwork): Declare it.
        (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
        __THUMB_INTERWORK__ in the preprocessor.

2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.

2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16416
        * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
        Override default settings to account for -m32 and -m64.

2004-07-08  Randolph Chung  <tausq@debian.org>

        * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.

2004-07-09  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (fold_builtin_strncpy): Make sure len is a constant
        before comparing it as such.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
        temporary.  Use bit arithmetic to align.

2004-07-08  Jerry Quinn  <jlquinn@optonline.net>

        * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
        nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
        NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
        * bb-reorder.c (mark_bb_for_unlikely_executed_section,
        add_labels_and_missing_jumps, find_jump_block,
        fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
        Likewise.
        * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
        link_btr_uses, move_btr_def): Likewise.
        * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
        expand_builtin_expect_jump): Likewise.
        * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
        * calls.c (expand_call, emit_library_call_value_1): Likewise.
        * cfganal.c (forwarder_block_p): Likewise.
        * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
        make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
        find_bb_boundaries): Likewise.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps, insns_match_p,
        flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
        try_optimize_cfg): Likewise.
        * cfgexpand.c (expand_block, construct_exit_block): Likewise.
        * cfglayout.c (skip_insns_after_block, label_for_bb,
        record_effective_endpoints, insn_locators_initialize,
        fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
        * cfgmainloop.c (create_loop_notes): Likewise.
        * cfgrtl.c (delete_insn, delete_insn_chain,
        create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
        update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
        block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
        redirect_branch_edge, force_nonfallthru_and_redirect,
        rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
        rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
        update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
        purge_dead_edges, cfg_layout_redirect_edge_and_branch,
        cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
        cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
        need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
        * combine.c (combine_instructions, can_combine_p, try_combine,
        find_split_point, record_dead_and_set_regs, reg_dead_at_p,
        distribute_notes, distribute_links, insn_cuid): Likewise.
        * cse.c (fold_rtx, cse_insn, cse_around_loop,
        invalidate_skipped_block, cse_set_around_loop,
        cse_end_of_basic_block, cse_main, cse_basic_block,
        cse_condition_code_reg): Likewise.
        * cselib.c (cselib_process_insn): Likewise.
        * ddg.c (create_ddg): Likewise.
        * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
        Likewise.
        * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
        gen_label_die, dwarf2out_var_location): Likewise.
        * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
        next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
        last_call_insn, active_insn_p, next_label, prev_label,
        link_cc0_insns, next_cc0_user, try_split, add_insn_after,
        add_insn_before, remove_insn, add_function_usage_to,
        reorder_insns, find_line_note, remove_unnecessary_notes,
        emit_insn_after_1, classify_insn): Likewise.
        * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
        connect_post_landing_pads, sjlj_mark_call_sites,
        sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
        can_throw_internal, can_throw_external, set_nothrow_function_flags,
        convert_to_eh_region_ranges): Likewise.
        * explow.c (optimize_save_area_alloca): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * final.c (insn_current_reference_address, compute_alignments,
        shorten_branches, final, scan_ahead_for_unlikely_executed_note,
        final_scan_insn, output_asm_label, leaf_function_p): Likewise.
        * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
        propagate_block_delete_insn, propagate_one_insn,
        init_propagate_block_info, propagate_block, libcall_dead_p,
        mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
        Likewise.
        * function.c (instantiate_virtual_regs, reorder_blocks_1,
        expand_function_start, expand_function_end, contains,
        thread_prologue_and_epilogue_insns,
        reposition_prologue_and_epilogue_notes): Likewise.
        * gcse.c (constprop_register, bypass_conditional_jumps,
        insert_insn_end_bb, gcse_after_reload): Likewise.
        * genemit.c (gen_expand, gen_split): Likewise.
        * genpeep.c (gen_peephole, main): Likewise.
        * global.c (build_insn_chain): Likewise.
        * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
        * haifa-sched.c (unlink_other_notes, unlink_line_notes,
        get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
        restore_line_notes, rm_redundant_line_notes, rm_other_notes,
        ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
        * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
        cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
        merge_if_block, block_jumps_and_fallthru_p, find_if_block,
        dead_or_predicable): Likewise.
        * integrate.c (try_constants): Likewise.
        * jump.c (rebuild_jump_labels, cleanup_barriers,
        purge_line_number_notes, init_label_info, mark_all_labels,
        squeeze_notes, get_label_before, get_label_after,
        reversed_comparison_code_parts, simplejump_p, pc_set,
        returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
        delete_barrier, delete_prior_computation, delete_computation,
        delete_related_insns, delete_for_peephole, redirect_jump):
        Likewise.
        * lcm.c (optimize_mode_switching): Likewise.
        * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
        Likewise.
        * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
        * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
        * loop-iv.c (simplify_using_assignment): Likewise.
        * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
        libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
        find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
        loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
        check_insn_for_givs, check_final_value, update_giv_derive,
        basic_induction_var, product_cheap_p, check_dbra_loop,
        loop_insn_first_p, last_use_this_basic_block,
        canonicalize_condition, get_condition, loop_regs_scan, load_mems,
        try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
        * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
        sms_schedule_by_order): Likewise.
        * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
        * postreload.c (reload_cse_simplify_operands, reload_combine,
        reload_cse_move2add): Likewise.
        * predict.c (can_predict_insn_p, estimate_probability,
        expected_value_to_br_prob, process_note_predictions): Likewise.
        * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
        * profile.c (branch_prob): Likewise.
        * ra-build.c (live_out_1, livethrough_conflicts_bb,
        detect_webs_set_in_cond_jump): Likewise.
        * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
        ra_print_rtl_with_bb): Likewise.
        * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
        * recog.c (next_insn_tests_no_inequality, find_single_use,
        split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
        * reg-stack.c (next_flags_user, record_label_references,
        emit_swap_insn, swap_rtx_condition, subst_stack_regs,
        compensate_edge, convert_regs_1): Likewise.
        * regclass.c (scan_one_insn): Likewise.
        * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
        regmove_optimize, fixup_match_1, single_set_for_csa,
        combine_stack_adjustments_for_block): Likewise.
        * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
        * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
        find_equiv_reg): Likewise.
        * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
        reload_as_needed, emit_input_reload_insns, do_output_reload,
        delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
        Likewise.
        * reorg.c (find_end_label, emit_delay_sequence,
        delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
        get_jump_flags, rare_destination, mostly_true_jump,
        try_merge_delay_insns, redundant_insn, own_thread_p,
        fill_simple_delay_slots, fill_slots_from_thread,
        fill_eager_delay_slots, relax_delay_slots, make_return_insns,
        dbr_schedule): Likewise.
        * resource.c (find_basic_block, next_insn_no_annul,
        find_dead_or_set_registers, mark_target_live_regs): Likewise.
        * rtl.h (RTX_PREV): Likewise.
        * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
        no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
        reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
        find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
        tablejump_p, computed_jump_p, insns_safe_to_move_p,
        find_first_parameter_load, can_hoist_insn_p): Likewise.
        * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
        sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
        * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
        schedule_ebbs): Likewise.
        * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
        is_conditionally_protected, can_schedule_ready_p,
        add_branch_dependences, debug_dependencies): Likewise.
        * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
        Likewise.
        * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
        reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
        set_dominates_use, ujump_to_loop_cont): Likewise.
        * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
        * varasm.c (output_constant_pool_1): Likewise.

2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-scalar-evolution.c: New file.
        * tree-scalar-evolution.h: New file.
        * tree-ssa-loop-niter.c: New file.
        * Makefile.in (SCEV_H): New.
        (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
        * cfgloop.h (struct loop): Add bounds field.
        * tree-flow.h (struct tree_niter_desc): New type.
        (number_of_iterations_cond, number_of_iterations_exit,
        loop_niter_by_eval, find_loop_niter_by_eval,
        estimate_numbers_of_iterations, can_count_iv_in_wider_type,
        free_numbers_of_iterations_estimates): Declare.
        * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
        * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
        * doc/invoke.texi (max-iterations-to-track): Document.

2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
        * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
        (MODE_AFTER): Add cast appropriately.
        * config/sh/sh.md (movdi splitter): Likewise.
        (casesi_worker_2): Add const qualifier appropriately.
        (eh_return): Remove unused variable.
        (insv): Initialize v;

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
        * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
        * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
        (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.

        * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
        * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
        * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
        * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
        * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
        * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
        * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/i860/i860-protos.h (i860_va_arg): Remove.
        * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
        * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * system.h: Prototype getpagesize if missing.
        * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
        * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (fr30_gimplify_va_arg_expr): New.
        (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
        * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16414
        * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
        of asm_noperands result.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
        * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
        * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * builtins.c (ind_gimplify_va_arg_expr): New.
        * tree.h (ind_gimplify_va_arg_expr): Declare.
        * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.

2004-07-08  Jan Beulich  <jbeulich@novell.com>

        * expmed.c (extract_bit_field): Correct condition to use vec_extract
        patterns also on vector elements other than the first one.
        * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
        break statements.

2004-07-08  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-ldouble.c: Correct reference
        to the Linnainmaa paper.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/arc/arc-protos.h (arc_va_arg): Remove.
        * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
        * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
        * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
        * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.

2004-07-08  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (static_ctors, static_dtors): Make static.
        (pop_file_scope): Call c_common_write_pch and
        cgraph_finalize_compilation_unit here.
        (build_cdtor): Moved here from c-objc-common.c; simplify.
        (c_write_global_declarations_1): Clarify comment.
        (c_write_global_declarations): Close the external scope before
        doing anything else.  Call build_cdtor, cgraph_optimize, and
        mudflap_finish_file here.
        * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
        Clarify comment.
        * c-objc-common.c: No need to include cgraph.h.
        (build_cdtor): Moved to c-decl.c.
        (c_objc_common_finish_file): Delete.
        * c-tree.h: Update to match.
        * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
        (generate_static_references): Set TREE_USED before calling finish_decl.
        Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
        on the static_instances_decl.

2004-07-08  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
        decls when there is only one input translation unit.
        * langhooks.c (lhd_set_decl_assembler_name): Partially revert
        change of 2004-07-05; do not treat declarations with
        DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
        * opts.c (cur_in_fname): Delete.
        * opts.h: Likewise.
        * tree.c: Revert changes of 2004-07-05; no special treatment
        for TRANSLATION_UNIT_DECLs.
        * Makefile.in (tree.o): Update dependencies.

2004-07-08  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_strcpy): Merge functionality from
        simplify_builtin_strcpy.  Add additional len argument.  No longer
        static.  Remove function prototype.
        (fold_builtin_strncpy): Likewise integrate functionality from
        simplify_builtin_strncpy.  Add additional slen argument.  No
        longer static.  Remove function prototype.
        (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
        (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
        types of "ignore" and "unlocked" parameters to bool.
        (fold_builtin_1):  Add additional ignore argument.  Call renamed
        fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
        builtins.  Update arguments to fold_builtin_strncpy and
        fold_builtin_strcpy.  Add function prototype.
        (fold_builtin): Add additional Boolean ignore argument to pass
        to fold_builtin_1.
        (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
        and fold_builtin_strncpy instead of simplify_builtin_fputs,
        simplify_builtin_strcpy and simplify_builtin_strncpy respectively.

        * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
        simplify_builtin_strncpy): Delete function prototypes.
        * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
        fold_builtin_strncpy): Add function prototypes here.
        (fold_builtin): Update function prototype with new "bool ignore".

        * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
        (ccp_fold_builtin):  Update call to fold_builtin.  Call
        fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
        instead of simplify_builtin_fputs, simplify_builtin_strcpy and
        simplify_builtin_strncpy respectively.
        * fold-const.c (fold): Update call to fold_builtin.

2004-07-08  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
        to strcpy.

        * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
        (FUNCTION_ARG_CALLEE_COPIES): Likewise.
        * calls.c: Remove ifdefs of macros above.
        * functions.c: Likewise.
        * expr.c: Likewise.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
        (arch attribute): Delete.
        (current_function_calls_alloca attribute): Rename into calls_alloca.
        (calls_eh_return): New attribute.
        (leaf_function): Likewise.
        (length attribute): Fix formula for sibcalls.
        (return insn): Correctly compute the 'length' attribute.
        (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
        (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
        (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
        * tree-eh.c (lower_eh_constructs_1): Likewise.
        * tree-sra.c (sra_walk_modify_expr): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
        * tree-tailcall.c (optimize_tail_call): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
            Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Enable
        SSE prefetches with -mtune, as long as we are
        compiling for i686 or higher.  All i686 processors
        accept SSE prefetches as NOPS, some i586's don't.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10567
        * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.

2004-07-08  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
        the handling of clobbering ASM_EXPRs.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16430
        * config/sparc/sparc.c (function_value): In 64-bit mode,
        return the aggregates larger than 16 bytes like unions.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16199
        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
        'temp' is zero, generate new pseudos as needed and emit the
        sequence of insns in single-assignment form.  Resync comments
        with code.
        (sparc_emit_set_const64): Pass zero as 'temp' argument to above
        function before reload.

2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.c (vec_assert_fail): Remove duplicate 'function'.

        * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.

        * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
        Allocation is signed.
        (VEC_reserve): Return flag, allocation is signed.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * tree-ssa-ccp.c (fold_stmt): Get type directly from
        OBJ_TYPE_REF_OBJECT.

2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
            Neil Booth  <neil@daikokuya.co.uk>

        PR c/2511
        PR c/3325
        * c-decl.c (finish_struct): Ensure bit-fields are given the
        correct type.
        * c-common.c (c_common_signed_or_unsigned_type): For C, require
        the precision to match as well as the mode.
        * expr.c (reduce_to_bit_field_precision): New function.
        (expand_expr_real_1): Reduce expressions of bit-field type to
        proper precision.
        * langhooks.h (reduce_bit_field_operations): New hook.
        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
        Define.
        * c-lang.c, objc/objc-lang.c
        (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
        * objc/objc-act.c (check_ivars): Convert types to bit-field types
        before checking.
        * tree.c (build_nonstandard_integer_type): New function.
        * tree.h (build_nonstandard_integer_type): New prototype.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
        conversions between integer and boolean types as useless.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_common_nodes_and_builtins): Do not
        create __builtin_ptrdiff_t and __builtin_size_t.

2004-07-08  Andrew Pinski  <apinski@apple.com>

        * Makefile.in (libbackend.o): Add -combine to the gcc
        command line.

2004-07-08  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
        Set to -Os.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * except.c (expand_eh_region_start, expand_eh_region_end,
        expand_eh_handler, expand_eh_region_end_cleanup,
        expand_start_all_catch, expand_start_catch, expand_end_catch,
        expand_end_all_catch, expand_eh_region_end_allowed,
        expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
        expand_eh_region_end_fixup): Remove.
        * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
        cleanups, outer_cleanups, label_chain, exception_region.
        (struct goto_fixup): Remove stack_level, cleanup_list_list.
        (struct label_chain): Remove.
        (struct stmt_status): Remove x_stack_block_stack.
        (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
        fixup_gotos, save_stack_pointer, expand_decl_cleanup,
        expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
        end_cleanup_deferral, last_cleanup_this_contour,
        containing_blocks_have_cleanups_or_stack_level,
        any_pending_cleanups): Remove.
        (expand_null_return_1): Take no arguments.
        (expand_label, expand_naked_return, expand_return,
        expand_start_bindings_and_block, expand_end_bindings, expand_decl,
        expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
        expand_end_case_type): Don't use any of them.
        * calls.c (expand_call): Likewise.
        * dojump.c (do_jump): Likewise.
        * function.c (expand_function_end): Likewise.
        * expr.c (store_expr, expand_expr_real_1): Likewise.
        (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
        (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
        CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
        EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
        * fold-const.c (fold_checksum_tree): Use first_rtl_op.
        * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
        * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
        for WITH_CLEANUP_EXPR.
        (gimple_push_cleanup): Likewise.
        * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
        * print-tree.c (print_node): Likewise.
        * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
        * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
        (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
        * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
        (GOTO_SUBROUTINE_EXPR): Remove.
        * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
        (DECL_TOO_LATE): Remove.
        * except.h, tree.h: Update decls.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>

        * explow.c (optimize_save_area_alloca): Do not accept parameters.
        * passes.c (rest_of_handle_final): Handle symout.
        (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
        Push timevar here.
        (rest_of_handle_sched): Break out SMS.  Remove ifs for
        flag_schedule_insns and flag_modulo_sched.
        (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
        collect at the end.
        (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
        (rest_of_handle_partition_blocks, rest_of_handle_sms,
        rest_of_handle_if_after_reload, rest_of_handle_peephole2,
        rest_of_handle_mode_switching, rest_of_handle_jump,
        rest_of_handle_guess_branch_prob, rest_of_handle_eh,
        rest_of_handle_jump2, rest_of_handle_postreload,
        rest_of_handle_flow2, rest_of_clean_state,
        rest_of_handle_shorten_branches,
        rest_of_handle_prologue_epilogue,
        rest_of_handle_branch_target_load_optimize): New.
        (rest_of_compilation): Call the above.  Remove ggc_collect
        calls moved to rest_of_handle_*.
        * rtl.h (optimize_save_area_alloca): Do not accept parameters.

        * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
        * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
        * except.h (set_nothrow_function_flags): Update comment.
        * function.c (current_function_nothrow): Remove.
        * output.h (current_function_nothrow): Remove.
        * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
        * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/16326
        * reorg.c: Revert 2004-06-30 change.
        (find_end_label): If HAVE_epilogue and !HAVE_return,
        return 0 instead of creating a label at the end of the insn chain.
        (optimize_skip): Account for the failure mode of find_end_label.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (relax_delay_slots): Likewise.

2004-07-08  Diego Novillo  <dnovillo@redhat.com>

        * tree-flow.h (addressable_vars): Declare.
        * tree-ssa-alias.c (addressable_vars): Define.
        (setup_pointers_and_addressables): Add addressable variables
        to addressable_vars.
        * tree-ssa-operands.c (get_stmt_operands): Move
        handling of ASM_EXPRs ...
        (get_asm_expr_operands): ... here.
        When the ASM_EXPR clobbers memory, also clobber addressable
        variables.
        * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
        (delete_tree_ssa): Reset addressable_vars.

2004-07-07  Jan Beulich  <jbeulich@novell.com>
            Richard Henderson  <rth@redhat.com>

        * varasm.c (assemble_variable): Use assemble_zeros for
        zero-initialized variables.
        (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
        for SECCAT_BSS and SECCAT_TBSS.

2004-07-07  Jan Beulich  <jbeulich@novell.com>

        * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.

        * expmed.c (emit_store_flag): Also special-case double-word
        (in-)equality comparison against -1.

        * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
        passing arguments the containers for which are registers.

        * calls.c (emit_library_call_value_1): Use mode of function parameter
        rather than that of argument since constants have none.

2004-07-08  Alexandre Oliva  <aoliva@redhat.com>

        Introduce H8SX support.
        * expr.c (expand_strcpy): Renamed and moved to...
        * builtins.c (expand_movstr): ... here.  Tweak.
        (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
        computed or has side effects.
        (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
        unused, or if mempcpy fails.  Adjust the return value in the
        latter case.  Use movstr if everything else fails.
        * doc/md.texi (movstr): Document.
        (movmemM, clrmemM): Fix explanation of memory block operands.
        * config/h8300/h8300.md (stpcpy): Renamed to...
        (movstr): ... this.  Adjust.
        2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
        movmem* and clrstr* to clrmem*.
        2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
        GENERAL_REGS, always.
        (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
        getting the stack pointer as addr.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
        from general_operand_dst.
        * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
        variant of...
        (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
        instead of requiring it to match only before reload.
        (stpcpy_internal_normal): New, normal-mode variant of...
        (stpcpy_internal): ... this.  Add modes to operands.  Disparage
        `D' instead of requiring it to match only before reload.
        * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
        mode argument.
        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
        * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
        h8300_get_index.
        * config/h8300/h8300.md (attr type): Add call.
        (attr can_delay): If type is call, set it no.
        (call, call_value): Set type to call.
        2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
        2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
        * tree.c (get_narrower): Don't narrow integral types into
        non-integral types.
        * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
        frame_size *before* the first use.
        * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
        on input.
        (peephole2): Don't widen instructions that push SP.  Move
        decrement of SP to the end of all stm-generating peepholes.
        2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
        and OR to set it to all ones.
        2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
        (call, call_value): Set can_delay to "no".
        2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (extzv): Make subreg check more robust.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (*brabit): Remove.
        * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
        zero_extract.  Use bit_memory_operand as the predicate for
        operand 1 and 'WU' as the constraint.  Check the difference
        between the base length and the final one when deciding which
        type of branch to use.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
        Use convert_move to extend the result for TARGET_H8300SX.  Check
        for QImode memory references.  Optimize the case where the
        destination is a paradoxical subreg.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
        * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md: Include mova.md
        (length_table): Add mova and mova_zero.
        * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
        after all constant addresses for '%R', '%X', '%T' and '%S'.
        (h8300_mova_length): New function.
        (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
        * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
        dependencies for s-config, etc.
        * config/h8300/gemova.sh: New file.
        * config/h8300/mova.md: Generated.
        2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (h8300_bitfield_length): New.
        (nibble_operand): Adjust.
        (h8300_binary_length): Handle conditional binary op.
        (h8300_insn_length_from_table): Handle bitfield and bitbranch.
        * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
        P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
        and P#<0, unused so far.  W and Y are now prefixes to multi-letter
        constraints.  WU is introduced as a variant of U that requires a
        mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
        * config/h8300/h8300.md (attr type): Added bitbranch.
        (attr length_table): Added bitfield and bitbranch.
        (attr length): Compute bitbranch length.
        (andqi): Separate pattern for H8300SX.  Use bfld for loading the
        least-significant bit of a byte.
        (brabit, brabc, brabs): New.
        (insv, extzv): Emit bfst and bfld on H8300SX.
        (bfld, bfst, seq, sne): New.
        (bstzhireg, cmpstz, bstz, bistz): New.
        (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
        (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
        2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
        (h8sx_unary_memory_operator): New function.
        * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
        (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
        * config/h8300/h8300.md: Add peepholes to combine reloads and
        arithmetic insns.
        2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
        (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
        (and?i, ior?i, xor?i): Likewise.
        2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c: Move enums and prototypes to head of file.
        Various whitespace fixes.
        (h8300_constant_length): New function, split out from...
        (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
        (h8300_classify_operand): Use IN_RANGE.
        (h8300_classify_operand): Use h8300_constant_length.
        (h8300_short_move_mem_p): Tighten size check.
        (h8sx_mergeable_memrefs_p): Tighten equality check.
        2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
        for -msx.
        * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
        if __H8300SX__ is defined.
        2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
        addresses as mode-dependent.
        * config/h8300/h8300.c (print_operand_address): Update call to
        h8300_get_index.
        (h8300_get_index): Take a mode argument.  Rework to fix an
        earlier misunderstanding.
        2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
        into a register if TARGET_H8300SX.
        (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
        TARGET_H8300SX.  Also disable related define_splits.
        (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
        2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
        2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (OK_FOR_Z): New macro.
        (EXTRA_CONSTRAINT_STR): Check it.
        * config/h8300/h8300.c (h8300_classify_operand): Accept null
        class arguments.
        (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
        * config/h8300/h8300.md (length_table): Add mov_imm4.
        (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
        2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
        * genattrtab.c (write_eligible_delay): Allow candidate_insn to
        be a label.
        * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
        * config/h8300/h8300.c (h8300_reorg): New function.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        * config/h8300/h8300.md (length): Subtract the length of the
        delay slot from (pc) when checking the range of forward branches.
        (delay_slot, can_delay): New attributes.
        (define_delay): Add bra/s handling.
        (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
        (jump): Add delayed-branch handling.
        2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
        * expr.c (expand_strcpy): New function.
        * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
        (expand_builtin_stpcpy): Likewise.
        * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
        (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
        * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
        handling to improve register allocation for -fno-omit-frame-pointer.
        (h8sx_split_movmd): Delete, moving er6 handling into...
        (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
        * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
        (movmd): Add calls to copy_rtx.
        (movmd_internal): In the second alternative, allow the initial and
        final destination registers to be different .  Update the splitter
        accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
        instead of h8sx_split_movmd.
        (stpcpy, movsd): New expanders.
        (movsd_internal): New define_insn.
        2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
        (h8sx_emit_movmd, h8sx_split_movmd): Declare.
        * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
        and DESTINATION_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
        (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
        (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
        (h8300_move_ratio): Declare.
        (MOVE_RATIO): Use it.
        * config/h8300/h8300.c (h8300_move_ratio): New variable.
        (h8300_init_once): Initialize it.
        (h8300_reg_class_from_letter): New function.
        (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
        (h8sx_emit_movmd, h8sx_split_movmd): New functions.
        * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
        (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
        (movstrsi, movmd): New expanders.
        (movmd_internal): New insn.
        2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
        2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
        * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (nibble_operand): Fix warning.
        * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
        (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
        (movsf_h8300h): Disable for TARGET_H8300SX.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
        h8300_stm_parallel and h8300_return_parallel.
        * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
        h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
        h8300_stm_parallel, h8300_return_parallel): New functions.
        (h8300_expand_prologue): Don't enforce ldm/stm register alignment
        if TARGET_H8300SX.  Use h8300_push_pop.
        (h8300_expand_epilogue): Likewise.  Try to merge the return insn
        and final pop when generating h8sx code.  Always emit some form
        of return insn.
        * config/h8300/h8300.md: Don't enforce register alignment in
        stm peepholes if TARGET_H8300SX.
        (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
        (ldm_h8300s_[234], stm_h8300_[234]): Disable.
        (epilogue): Expect h8300_expand_epilogue to emit a return insn.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
        (MULTILIB_DIRNAMES): Add a directory for it.
        (MULTILIB_MATCHES): Delete.
        2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
        * final.c (walk_alter_subreg): Handle addresses with subregs
        inside a ZERO_EXTEND or AND.
        * config/h8300/h8300-protos.h (h8300_get_index): Declare.
        * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
        if TARGET_H8300SX.
        (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
        * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
        @(dd,Rn.w) and @(dd,ERn.L).
        (h8300_displacement_size): Take the whole address as argument.
        (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
        2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
        (h8sx_mergeable_memrefs_p): Declare.
        * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
        (HAVE_PRE_INCREMENT): Likewise.
        (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
        addresses for TARGET_H8300SX,
        * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
        and POST_DEC.
        (movb_length_table, movl_length_table): New tables.
        (movw_length_table): Define to movb_length_table.
        (h8300_displacement_size): New, split out from...
        (h8300_classify_address): ...here.  Handle pre/post inc/dec.
        (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
        (h8300_insn_length_from_table): Add cases for movb, movw and movl.
        (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
        (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
        (compute_plussi_length, compute_plussi_cc): Update accordingly.
        (h8sx_unary_shift_operator): Get the mode from the operator.
        (binary_shift_operator): Likewise.
        * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
        a memory reference, check whether the reference is offsettable.
        (length_table): Add movb, movw and movl.
        (movqi): Add new h8sx pattern.  Don't force one operand to be a
        register when generating h8sx code.
        (movhi, movsi, movsf): Likewise.
        (movstrictqi): Use the length_table attribute.
        (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
        (addqi3): Split into a define_expand and define_insn.  Don't accept
        memory operands in the expander.  Use h8300_operands_match_p to
        check for matching operands in the define_insn.
        (subqi3, negqi2, one_cmplqi2): Likewise.
        (add[hs]i3): Don't accept memory operands in the expander.  Likewise
        in any patterns that are unused in h8sx code.  In the h8sx patterns,
        use h8300_operands_match_p to check whether operands match.
        (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
        one_cmpl[hs]i3): Likewise.
        (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
        in the expander.
        2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
        (h8300_insn_length_from_table): Add a second parameter.
        (output_h8sx_shift): Declare.
        * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
        (EXTRA_CONSTRAINT): Replace with...
        (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
        (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
        (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
        and h8sx_binary_shift_operator.
        * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
        for TARGET_H8300SX.
        (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
        (bit_memory_operand, fix_bit_operand): Likewise.
        (h8300_length_table_for_insn): Remove.
        (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
        instructions.
        (h8300_short_immediate_length, h8300_binary_length): New functions.
        (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
        (output_plussi): Use sub to add negative constants.
        (compute_plussi_length): Adjust accordingly.
        (h8sx_single_shift_type): New enum.
        (h8sx_single_shift, h8sx_unary_shift_operator,
        h8sx_binary_shift_operator, output_h8sx_shift): New functions.
        (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
        single h8sx instruction.  Return false in this case.
        * config/h8300/h8300.md (length_table): Add short_immediate.
        (length): Pass the operand array to h8300_insn_length_from_table.
        (adjust_length): Assume "no" for insns with a length_table attribute.
        (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
        (*addhi3_h8300hs): Don't use for h8sx.
        (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
        and sub.w #xx:3.
        (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
        1's predicate to nonimmediate_operand.  Only skip default expansion
        if expand_a_shift or expand_a_rotate returns true.  Add new patterns
        for single h8sx shift instructions.
        2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (nibble_operand): Split out of...
        (reg_or_nibble_operand): ... this.
        * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
        * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
        umulhisi3): Introduce expand, and introduce separate insns for
        sign- or zero-extended REG and already-extended CONST_INT.
        2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
        * config/h8300/h8300.md (subqi3): Generalize for h8sx.
        (subhi3): Likewise.  Don't accept immediates for operand 1.
        Remove the early clobber from second alternative of the h8300s pattern.
        (subsi3): Generalize for h8sx.  Force operand 2 into a register
        on plain h8300 targets.
        (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
        (subsi3_h8300h): Generalize for h8sx.
        (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
        2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (reg_or_nibble_operand): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
        (TARGET_H8300SXMUL): New.
        (CONST_OK_FOR_P): New.
        (CONST_OK_FOR_LETTER_P): Adjust.
        * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
        umulhisi3): Accept 4-bit immediate on H8SX.
        (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
        (udivsi3, divhi3, udivsi3, divsi3): New.
        2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
        * config/h8300/h8300.h (OK_FOR_Q): New macro.
        (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
        (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
        Add ADDRESSOF to the bit_operand entry.
        * config/h8300/h8300.c (h8300_dst_operand): New predicate.
        (h8300_src_operand): Likewise.
        (bit_operand): Check nonimmediate_operand rather than general_operand.
        Accept any nonimmediate_operand in h8sx code.
        (h8300_and_costs): Initialize operands[1].
        (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
        (h8300_operand_class): New enum.
        (h8300_length_table): New typedef.
        (addb_length_table, addw_length_table, addl_length_table,
        logicl_length_table): New tables.
        (logicb_length_table, logicw_length_table): New macros.
        (h8300_classify_operand, h8300_length_from_table,
        h8300_length_table_for_insn, h8300_unary_length,
        h8300_insn_length_from_table): New functions.
        (output_plussi): Only use adds and subs for register destinations.
        Disable redundant clause.
        (compute_plussi_cc): Likewise.
        (compute_plussi_length): Likewise.  Use h8300_length_from_table
        to work out the length of an insn.
        (output_logical_op): Only use narrower immediate instructions
        if the destination is a register.
        (compute_logical_op_cc): Likewise.
        (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
        (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
        * config/h8300/h8300.md (length_table): New attribute.
        (length): When an instruction has a length_table attribute, use
        h8300_insn_length_from_table to calculate its default length.
        (cmpqi): Use h8300_dst_operand for the first operand and
        h8300_src_operand for the second.
        (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
        negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
        addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
        iorsi3, xorhi3, xorsi3): Likewise.
        (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
        so that it allows any combination of operands for TARGET_H8300SX.
        (iorqi3, xorqi3): Likewise.
        (cmpqi): Use the length_table attribute.
        (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
        xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
        (cmpqi): Add 'Q' constraint.
        (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
        iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
        2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (MASK_H8300SX): New macro.
        (TARGET_H8300S): True for both -ms and -msx.
        (TARGET_H8300SX): New macro.
        (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
        * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
        * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
        * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
        [Temporary change.]
        2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
        16-bit pointers and 32-bit ints.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
        CONST_DOUBLE with mode no wider than SImode.
        * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
        output operand.
        2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
        or SUBREG thereof.
        * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
        2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.

2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.

2004-07-07  Per Bothner  <per@bothner.com>

        * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.

2004-07-07  Mike Stump  <mrs@apple.com>

        * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
        * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
        (machopic_finish): Likewise.

2004-07-07  Richard Henderson  <rth@redhat.com>

        * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
        through any value-preserving cast.

2004-07-07  Alexandre Oliva  <aoliva@redhat.com>

        * function.c (assign_parm_find_data_types): Call
        FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.

2004-07-07  Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (group_case_labels): Remove case labels that have
        the same target as the default case.

2004-07-07  Steven Bosscher  <stevenb@suse.de>

        * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
        regardless of DECL_LANG_SPECIFIC being present or not.
        * tree.h (DECL_NUM_STMTS): Purge.

2004-07-07  Andrew Pinski  <apinski@apple.com>

        * configure: Regenerate with the right autoconf.

2004-07-07  David Edelsohn  <edelsohn@gnu.org>

        * ifcvt.c (total_bb_rtx_cost): New function.
        (find_if_case_1): Compare rtx_cost of basic block to cost of
        BRANCH_COST insns.
        (find_if_case_2): Same.

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

        PR target/10567
        * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
        (output_return): Likewise.
        (output_sibcall): Abort if !flag_delayed_branch.
        (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
        (emit_and_preserve): New function.
        (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
        indirect jump to the thunked-to function if !flag_delayed_branch.
        * config/sparc/sparc.md (delayed_branch): New attribute.
        (load_pcrel_sym): Honor flag_delayed_branch.  Use above
        attribute to compute the length of the insn.
        (goto_handler_and_restore): Likewise.

2004-07-07  Andrew Pinski  <apinski@apple.com>

        PR tree-optimization/15777
        * fold-const.c (fold_single_bit_test): Fold the x^1 expression.

        * expr.c (expand_expr_real_1): Fix formating.
        BUFFER_REF and IN_EXPR are dead.
        * fold-const.c (non_lvalue): BUFFER_REF is dead.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
        IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
        * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.

2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>

        * collect2.c (dump_file): Don't call cplus_demangle if
        HAVE_LD_DEMANGLE is defined.
        (main): Pass "--demangle" to ld if no_demangle is not 0 and
        HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
        if HAVE_LD_DEMANGLE is defined.

        * configure.ac (--with-demangler-in-ld): Added
        (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
        --with-demangler-in-ld is used.
        * config.in: Regenerated.
        * configure: Likewise.

2004-07-07  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (struct processor_costs): Add new fields
        for simple floating point operations "fp", double precision
        multiplication "dmul", and single and double precision division
        "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
        (ppc630_cost): New table split from ppc620_cost, to distinguish
        differences in floating point latencies.
        (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
        (rs6000_rtx_costs): Add support for single and double precision
        floating point addition, subtraction, multiplication, division,
        fused-multiply-add, fused-multiply-sub, negation, absolute value
        and negative absolute value.  Tweak MEM case to use prefered idiom.

2004-07-07  Richard Henderson  <rth@redhat.com>

        * tree-flow-inline.h (may_propagate_copy): Move...
        * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
        attempt to copy between types requiring conversion.
        * tree-flow.h (may_propagate_copy): Update decl.
        * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.

2004-07-07  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
        from -mtune= option.

2004-07-07  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c: Rename movstr*, except for movstrict*, to
        movmem* and clrstr* to clrmem*.
        * expr.c: Likewise.
        * expr.h: Likewise.
        * genopinit.c: Likewise.
        * integrate.c: Likewise.
        * local-alloc.c: Likewise.
        * optabs.c: Likewise.
        * optabs.h: Likewise.
        * config/alpha/alpha.h: Likewise.
        * config/alpha/alpha.md: Likewise.
        * config/arm/arm-protos.h: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/arm.md: Likewise.
        * config/avr/avr.md: Likewise.
        * config/c4x/c4x.c: Likewise.
        * config/c4x/c4x.md: Likewise.
        * config/frv/frv.md: Likewise.
        * config/i386/i386-protos.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i860/i860.c: Likewise.
        * config/i860/i860.md: Likewise.
        * config/ip2k/ip2k.md: Likewise.
        * config/ip2k/libgcc.S: Likewise.
        * config/ip2k/t-ip2k: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m32r/m32r.md: Likewise.
        * config/mcore/mcore.md: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.md: Likewise.
        * config/ns32k/ns32k.c: Likewise.
        * config/ns32k/ns32k.h: Likewise.
        * config/ns32k/ns32k.md: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.md: Likewise.
        * config/pdp11/pdp11.h: Likewise.
        * config/pdp11/pdp11.md: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.md: Likewise.
        * config/s390/s390-protos.h: Likewise.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.md: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/t-sh: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/vax/vax.md: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * config/xtensa/xtensa.md: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/rtl.texi: Likewise.

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

        PR target/16407
        * config/mips/mips-protos.h (mips_declare_common_object): Declare.
        * config/mips/mips.c (mips_declare_common_object): New function,
        mostly split out from...
        (mips_output_aligned_decl_common): ...here.
        * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
        (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
        * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
        rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.

2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c/16392
        * function.c (assign_parms): Fix typo from previous change.

2004-07-07  Jason Merrill  <jason@redhat.com>

        PR c++/15815
        * doc/extend.texi (C++ Interface): Correct information and
        discourage use.

2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16130
        PR target/16142
        PR target/16143
        * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
        insn.

2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/1679.
        * config/m32r/m32r.c (m32r_function_symbol): New function:
        Generate a symbol name RTX with the correct m32r specific flags
        set.
        (block_move_call): Use new function to generate correct symbol.
        * config/m32r/m32r-protos.h: Add prototype for new funcion.
        * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
        function.

2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
        TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
        TYPE_BINFO_BASETYPE): Remove.
        (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
        to ...
        (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
        here.
        (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
        (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
        (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
        (struct tree_binfo): Rename base_types to base_binfos.
        * alias.c (record_component_aliases): Adjust BINFO macros.
        * dbxout.c (dbxout_type): Likewise.
        * dwarf2out.c (gen_member_die): Likewise.
        * sdbout.c (sdbout_one_type): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * config/i386/i386.c (classify_argument,
        contains_128bit_aligned_vector_p): Likewise.

2004-07-07  Nick Clifton  <nickc@redhat.com>

        * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
        arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.

2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Fix the example use.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
        * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
        * tree-inline.c (copy_body_r, setup_one_parameter,
        initialize_inlined_parameters, expand_call_inline,
        declare_inline_vars): Don't check it.
        (expand_calls_inline): Remove old version, rename new version
        from gimple_expand_calls_inline.
        * tree-optimize.c (execute_gimple): Remove.
        (pass_gimple): Don't run anything.

2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Use semicolons instead of commas in
        section title.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
        (sra_walk_modify_expr, scan_init): Likewise.
        (generate_element_zero): Check visited before scanning children.
        (generate_element_init): Set visited on error.
        (scalarize_init): Handle generate_element_init failure similar
        to use_block_copy.

2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>

        * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
        (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (legitimize_pic_address): Make static.
        (legitimize_address): Handle CONST with TLS operand.
        (ix86_expand_move): Don't call legitimize_pic_address directly.
        * config/i386/i386-protos.h (legitimize_pic_address): Remove.

2004-07-06  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
        (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
        (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
        is currently executed unconditionally, i.e. not in "else_bb".

2004-07-06  Steven Bosscher  <stevenb@suse.de>

        * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.

2004-07-06  Daniel Berlin  <dberlin@dberlin.org>

        * dojump.c (do_jump): REFERENCE_EXPR is dead.
        * expr.c (expand_expr_real_1): Ditto.
        * tree-inline.c (estimate_num_insns_1): Ditto.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        (op_symbol): Ditto.
        * tree.def: Ditto.

2004-07-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (reference_node_pool): New pool.
        (find_or_generate_expression): Class 'r' is okay too.
        (create_value_expr_from): Ditto.
        (add_to_sets): LHS should not include vuses.
        (eliminate): Ditto.
        (compute_avail): Reverse ordering of tests.
        Valuize INDIRECT_REF as well.

2004-07-06  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/16380
        * loop.c (check_dbra_loop): Sink comparison instructions if they
        do something other than set cc0.

2004-07-06  James E Wilson  <wilson@specifixinc.com>

        * doc/interface.texi (longjmp and automatic variables): Delete
        paragraph recommending taking the address of a variable.

2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_embedded_alloc): Remove.
        (VEC_embedded_size, VEC_embedded_init): New.
        (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
        MEM_STAT_INFO.
        (VEC_truncate): New.
        (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
        (vec_embedded_alloc): Remove.
        * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
        (vec_embedded_alloc): Remove.

2004-07-06  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
        (gt-langhooks.h): Remove.

2004-07-06  George Helffrich <george@gly.bris.ac.uk>

        * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.

2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (get_pc_symbol): Rename into
        add_pc_to_pic_symbol.
        (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
        (load_pic_register): Account for previous changes.
        Use reg_names.  Don't create the label twice.
        * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
        UNSPEC_LOAD_PCREL_SYM.
        (get_pc): Rename into load_pcrel_sym.  Add predicate to
        operands.  Remove condition.

2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>

        * dbxout.c (dbxout_type): Don't test whether the binfo slot of
        RECORD, UNION & QUAL_UNION is actually a binfo.

        * tree.h (TREE_VIA_VIRTUAL): Rename to ...
        (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
        (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
        * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
        * dwarf2out.c (add_data_member_location_attribute): Likewise.
        (gen_inheritance_die): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * doc/c-tree.texi (Binfos): Add under reconstruction note.

2004-07-06  Steven Bosscher  <stevenb@suse.de>

        * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define.
        * config/mcore/mcore.md: Model memory latency with a simple DFA
        pipeline description instead of a define_function_unit.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
        * langhooks.h (var_mod_type_p): Likewise.
        * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
        * expr.c (count_type_elements): Properly handle return from
        array_type_nelts and properly test for overflow.
        * gimplify.c (gimplify_init_constructor): Properly handle return
        from array_type_nelts.
        (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
        * integrate.c (copy_decl_for_inlining): Correct comments.
        * tree-inline.c (remap_decl): Update comments, remove dead code,
        and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
        (remap_type): Only remap if variably modified by vars in function
        being inlined.
        (copy_body_r): Use compatible_type langhooks to see when can fold.
        (setup_one_parameter): Don't remap type.
        (inline_forbidden_p_1): Add arg to variably_modified_type_p.
        * tree.c (recompute_tree_invarant_for_addr_expr): Properly
        compute TREE_INVARIANT for decl case.
        (find_var_from_fn): New function.
        (variably_modified_type_p): Add arg and call new function.
        * tree.h (variably_modified_type_p): Add extra arg.

2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
        (goto_handler_and_restore_v9): Delete disabled insn.
        (goto_handler_and_restore_v9_sp64): Likewise.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

        * calls.c (load_register_parameters): Call expand_shift instead
        of expand_binop with ashl_optab (or other shift optab) directly.
        * expr.c (emit_group_load, emit_group_store): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value): Likewise.

2004-07-05  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Disable the bitfield += optimizations.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Revert previous patch.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
        TARGET_MEM_FUNCTIONS.
        * system.h: Poison TARGET_MEM_FUNCTIONS.
        * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
        bcmp_libfunc, bzero_libfunc): Remove.
        * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
        bzero_libfunc.
        * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
        * doc/standards.texi: Don't mention calling BSD string functions.
        * doc/invoke.texi: Likewise.  Mention that memmove may be called.
        * config/vax/t-memfuncs: New.
        * config/memcmp.c, config/memcpy.c, config/memmove.c,
        config/memset.c: New.
        * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
        * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
        vax/t-memfuncs.
        * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
        config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
        config/elfos.h, config/gnu.h, config/h8300/h8300.h,
        config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
        config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
        config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
        config/netbsd.h, config/openbsd.h, config/pa/pa.h,
        config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.

2004-07-05  Richard Henderson  <rth@redhat.com>

        * function.c (assign_parm_setup_reg): Properly rename variables in
        FUNCTION_ARG_CALLEE_COPIES section.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

        * tree-mudflap.c: Include cgraph.h.
        (mf_init_extern_trees): Rename to mudflap_init.  Export.
        Rewrite to create synthetic declarations instead of looking
        up declarations from mf-runtime.h.
        (mf_make_builtin, mf_make_cache_struct_type): New functions.
        (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
        Correct commentary.
        (execute_mudflap_function_decls, mudflap_register_call):
        Don't call mf_init_extern_trees.
        (mudflap_finish_file): Use cgraph_build_static_cdtor.

        * tree-mudflap.h: Update prototypes.
        * c-mudflap.c: Delete file.
        * c-common.c: Include tree-mudflap.h.
        (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
        * Makefile.in: Remove all references to c-mudflap.o.
        Update dependencies.

2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
        displacements with the spatial-locality cache-control completer.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

        * langhooks.c: Don't include gt-langhooks.h.
        (var_labelno): Delete.
        (lhd_set_decl_assembler_name): Do not append a distinguishing
        number to file-scope internal-linkage declarations for the first
        input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
        the declaration itself (if at block scope), or its containing
        TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
        number.

        * opts.c (cur_in_fname): New global.
        * opts.h: Declare it.
        * tree.c: Include opts.h.
        (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
        DECL_UID equal to cur_in_fname.
        (copy_node_stat): Do not change DECL_UID when copying a
        TRANSLATION_UNIT_DECL.
        (build_common_tree_nodes): Adjust next_decl_uid to reserve the
        range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.

        * c-decl.c (c_static_assembler_name): Delete.
        * c-tree.h (c_static_assembler_name): Delete prototype.
        * c-lang.c, objc/objc-lang.c: Don't override
        LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.

        * Makefile.in (tree.o): Update dependencies.
        (GTFILES): Remove langhooks.c.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
        by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
        Normalize "X % C" as "X % -C" for signed modulus and negative C.
        Optimize "X % -Y" as "X % Y" for signed modulus.
        <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
        into "((unsigned) X % Y) == 0".

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * sourcebuild.texi (Config Fragments): Use @comma{} in
        cross-reference to section title.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
        * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
        (gimplify_target_expr, gimplify_expr): Likewise.
        (copy_if_shared_r): No longer need special case for BIND_EXPR.
        (unshare_body, unvisit_body): Only look at nested if BODY_P is
        whole function.
        (gimplify_compound_lval): See if we can strip any useless conversion.
        (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
        from RHS, not LHS.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
        * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
        (declare_inline_vars): Likewise.
        (walk_type_fields): New function.
        (walk_tree): Use it.
        * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.

        * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
        (sra_walk_modify_expr): Allow init function to fail.
        (scan_init): Now returns bool.
        (generate_element_init): If can't understand INIT, return false.
        (scalarize_init): Return false if generate_element_init does.

        * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
        print bounds.

        * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
        bounds if bounds aren't constant.

        * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.

        * function.c, langhooks-def.h, langhooks.h: Move max_size hook
        to type hooks; remove bogus PARAMS.

2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>

        * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
        * dwarf2out.c (add_data_member_location_attribute): Check for
        TREE_BINFO.
        * tree.c (tree_node_kinds): Add "binfos".
        (binfo_lang_slots): New.
        (make_node_stat): Add TREE_BINFO.
        (make_tree_binfo_stat): New.
        (tree_node_structure): Add TREE_BINFO.
        * tree.def (TREE_BINFO): New.
        * tree.h (REC_OR_UNION_CHECK): Rename to ...
        (RECORD_OR_UNION_CHECK): ... here.
        (NOT_RECORD_OR_UNION_CHECK): New.
        (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
        (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
        RECORD_OR_UNION_CHECK.
        (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
        (TYPE_LANG_SLOT_1): New.
        (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
        BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
        BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
        (BINFO_ELTS): Remove.
        (BINFO_LANG_SLOT): New.
        (struct tree_binfo): New.
        (binfo_lang_slots): Declare.
        (enum tree_node_structure_enum): Add TS_BINFO.
        (union tree_node): Add binfo.
        (make_tree_binfo_stat): Declare.
        (make_tree_binfo): New.
        (enum tree_node_kind): Add binfo_kind.

        * objc/objc-act.c (start_class, objc_declare_protocols,
        start_protocols): Use TYPE_LANG_SLOT_1.
        * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
        to ...
        (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
        (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
        CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
        PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.

2004-07-05  Steven Bosscher  <stevenb@suse.de>

        * rtl.h (struct rtx_def): Remove the integrated flag.
        Use the return_val flag for MEM_SCALAR_P.
        Reshuffle and update flags in CLEAR_RTX_FLAGS.

2004-07-05  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16357
        * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
        to mips_expand_unaligned_load, mips_expand_unaligned_store, and
        move_by_pieces.

2004-07-05  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c: Fix some comments.
        (frame_stack_adjust): New.
        (vt_stack_adjustments): Init stack_adjust of entry block to
        minus stack adjustment of function prologue.
        (adjust_stack_reference): Do not adjust if adjustment == 0.
        (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
        (emit_notes_in_bb): Likewise.
        (vt_add_function_parameters): Do not adjust locations of
        function arguments.
        (vt_initialize): Compute the stack adjustment of function
        prologue and offset the initial "location" of frame_base_decl
        from the stack pointer after prologue.

2004-07-04  Richard Henderson  <rth@redhat.com>

        * function.c (struct assign_parm_data_all): New.
        (struct assign_parm_data_one): New.
        (assign_parms_initialize_all, assign_parms_augmented_arg_list,
        assign_parm_find_data_types, assign_parms_setup_varargs,
        assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
        assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
        assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
        assign_parm_setup_block, assign_parm_setup_reg,
        assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
        (assign_parms): ... here.

2004-07-04  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
        now are bitmap_set_t's.
        (bitmap_insert_into_set): No point in inserting the value if
        it's invariant.
        (bitmap_set_contains): New function.
        (bitmap_set_replace_value): Add comment on why we do it
        this way.
        (set_contains): Removed.
        (bitmap_set_subtract_from_value_set): New name of
        set_subtract now that it's arguments are two different
        types of sets.
        Update callers.
        (bitmap_find_leader): Change algorithm used.
        (find_or_generate_expression): Update use of functions for new
        bitmap sets.
        (create_expression_by_pieces): Ditto.
        (insert_aux): Ditto.
        (insert): Ditto.
        (add_to_sets): Ditto.
        (init_pre): Ditto.
        (execute_pre): Ditto.
        (compute_avail): Ditto.
        Also ignore virtual phis.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (simplify_comparison): Fix comment typo.

2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
        into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
        (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
        (output_restore): Change parameter from 'insn' to 'pat'.
        (output_return): Adjust call to output_restore.
        (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
        Adjust call to output_restore.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

        * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
        and assert system is bsd.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
        (TARGET_SWITCHES): Remove -mdebugc.
        * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
        (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
        (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
        (sle_[sd]i_reg): Delete.

2004-07-04  Steven Bosscher  <stevenb@suse.de>

        * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define.
        * config/iq2000/iq2000.md: Translate old pipeline description to an
        equivalent new one.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

        * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
        Ensure the replacement rhs is valid gimple before performing
        the substitution.  Return false if these sanity checks fail.
        (fold_stmt): Only set changed to true, if set_rhs returns true.
        (execute_fold_all_builtins): Only call modify_stmt if set_rhs
        succeeds.

2004-07-04  Richard Henderson  <rth@redhat.com>

        PR c/16348
        * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.

2004-07-04  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac (ranlib_flags): New variable.
        * Makefile.in (RANLIB_FLAGS): New variable.
        (libbackend.a): Use it.
        * configure: Regenerated.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
        a "sign mask" instead of using ashr_optab directly.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

        * doc/cpp.texi: Don't document what we do for ill-formed expressions.
        * doc/cppopts.texi: Clarify processing of command-line defines.

2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.

2004-07-04  Richard Henderson  <rth@redhat.com>

        * rtl.def (ADDRESSOF): Remove.
        * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
        (find_base_term, memrefs_conflict_p): Likewise.
        * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
        (fold_rtx, cse_insn, set_live_p): Likewise.
        * dwarf2out.c (mem_loc_descriptor): Likewise.
        (add_location_or_const_value_attribute): Likewise.
        * emit-rtl.c (copy_insn_1): Likewise.
        * explow.c (memory_address): Likewise.
        * expmed.c (store_split_bit_field): Likewise.
        * expr.c (expand_expr_real_1): Likewise.
        * function.c (instantiate_decl
        (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
        * genrecog.c (preds, validate_pattern): Likewise.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        * recog.c (general_operand, register_operand): Likewise.
        (memory_address_p): Likwise.
        * reload1.c (eliminate_regs, elimination_effects): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
        (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * stmt.c (expand_asm_operands): Likewise.
        * web.c (entry_register, replace_ref, web_main): Likewise.
        * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
        alpha_expand_block_move, alpha_expand_block_clear): Likewise.
        * config/arm/arm.c (thumb_rtx_costs): Likewise.
        * config/c4x/c4x.c (c4x_valid_operands): Likewise.
        * config/frv/frv.c (move_destination_operand, move_source_operand,
        condexec_dest_operand, condexec_source_operand,
        condexec_memory_operand): Likewise.
        * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
        * config/ia64/ia64.c (general_xfmode_operand): Likewise.
        (destination_xfmode_operand): Likewise.
        * config/mips/mips.h (PREDICATE_CODES): Likewise.
        * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
        * config/s390/s390.c (general_s_operand): Likewise.
        * config/s390/s390.md (mov*): Likewise.
        * config/sparc/sparc.h (PREDICATE_CODES): Likewise.

        * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
        * expr.c (expand_expr_real_1): Likewise.
        * stmt.c (expand_decl): Likewise.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.

        * function.c (struct fixup_replacement, struct insns_for_mem_entry,
        postponed_insns, put_var_into_stack, put_reg_into_stack,
        schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
        fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
        fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
        walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
        gen_mem_addressof, flush_addressof, put_addressof_into_stack,
        purge_bitfield_addressof_replacements, purge_addressof_replacements,
        purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
        struct insns_for_mem_walk_info, insns_for_mem_walk,
        compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
        setjmp_protect_args): Remove.
        (push_function_context_to): Don't handle var_refs_queue.
        (pop_function_context_from, free_after_compilation): Likewise.
        (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
        (assign_parms, allocate_struct_function): Likewise.
        (use_register_for_decl): New.
        (expand_function_end): Don't setjmp_protect.
        * function.h (struct emit_status): Update commentary.
        (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
        (max_parm_reg, parm_reg_stack_loc): Remove.
        * passes.c (DFI_addressof): Remove.
        (dump_file_info): Remove addressof.
        (rest_of_handle_addressof): Remove.
        (rest_of_compilation): Don't call it.
        * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
        * stmt.c (expand_decl): Use use_register_for_decl.
        * tree.h: Update decls.
        * web.c (mark_addressof): Remove.
        * doc/invoke.texi (-dF): Remove.

2004-07-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
        instead of gen_mem_addressof.
        * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
        TImode output register.

2004-07-03  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/16341
        * tree-sra.c (sra_walk_function): Increment to next stmt before
        processing the current stmt.
        (sra_insert_after): Always use BSI_SAME_STMT.

2004-07-03  Richard Henderson  <rth@redhat.com>

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
        fp plus with minus.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
        with tree_int_cst_equal.

2004-07-03  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.md: Define new attribute "empty".
        (prologue_use, nop_x, insn_group_barrier): Set it.

        * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
        skip over "empty" insns.

2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-inline.c (initialize_inlined_parameters): Pass proper function
        context to gimplify_body.
        (walk_tree): Don't walk into types twice.
        (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.

        * tree-sra.c (generate_element_init): Remove any useless conversions.

        * gimplify.c (gimplify_conversion): Remove stripping useless
        conversions from here.
        (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
        (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
        Unshare before substituting PLACEHOLDER_EXPR.
        (gimplify_modify_expr_to_memset): Likewise.
        Pass address of TO to memset, not TO itself.
        (gimplify_init_constructor): Make copy of OBJECT so we have it each
        time we make an expression (to match a PLACEHOLDER_EXPR).

        * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
        VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
        * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
        * tree-ssa-dom.c (local_fold): Likewise.

        * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
        * langhooks.h (strct lang_hooks): New field type_max_size.
        * function.c (assign_temp): Call it.

2004-07-03  Steven Bosscher  <stevenb@suse.de>

        * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
        * config/sh/sh.md: Convert the SH1 pipeline description to
        a DFA model.

2004-07-02  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (struct c_binding): Remove contour field; add
        depth, invisible, nested fields.
        (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
        (B_IN_EXTERNAL_SCOPE): New convenience macros.
        (bind): Add invisible and nested arguments. Initialize
        new fields of struct c_binding; adjust loop scanning for
        insertion point.
        (free_binding_and_advance): Clear structure with memset.
        (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
        in file scope, even if it's in external scope too.
        (pushdecl): Adjust to match.  Create invisible file-scope
        declarations for block-scope forward declarations of static functions.
        (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
        (undeclared_variable, lookup_label, declare_label, define_label)
        (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
        (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
        (store_parm_decls_oldstyle): Adjust to match.
        (diagnose_mismatched_decls): Correct handling of linkage clashes.
        (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.

        * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
        (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.

2004-07-02  Richard Henderson  <rth@redhat.com>

        * c-decl.c (grokdeclarator): Don't frob current_function_decl
        around variable_size.
        (set_decl_nonlocal): Remove.
        (store_parm_decls): Add stmts for pending sizes.
        * calls.c (calls_function, calls_function_1): Remove.
        (precompute_arguments): Don't call it.
        * cfgexpand.c (set_save_expr_context): Remove.
        (tree_expand_cfg): Don't call it.
        * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
        (dwarf2out_finish): Likewise.
        * expr.c (emit_block_move): Adjust addresses to BLKmode.
        (store_constructor): Don't pre-evaluate SAVE_EXPR.
        (safe_from_p): Don't queue SAVE_EXPRs.
        (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
        or build plain VAR_DECLs.
        * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
        (fold): Likewise.
        (fold_checksum_tree): Don't special-case SAVE_EXPR.
        * function.c (free_after_compilation): Don't clear x_save_expr_regs.
        (put_var_into_stack): Don't handle SAVE_EXPR.
        (gen_mem_addressof): Likewise.
        * function.h (struct function): Remove x_save_expr_regs.
        (save_expr_regs): Remove.
        * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
        * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
        * stor-layout.c (variable_size): Don't set it.
        (force_type_save_exprs, force_type_save_exprs_1): Remove.
        * tree-inline.c (remap_save_expr): Remove fn argument.  Update
        all callers.  Don't set SAVE_EXPR_CONTEXT.
        * tree-inline.h (remap_save_expr): Update decl.
        * tree.c (save_expr): Update build size.
        (first_rtl_op): Don't handle SAVE_EXPR.
        (unsave_expr_1, contains_placeholder_p): Likewise.
        (decl_function_context): Likewise.
        * tree.def (SAVE_EXPR): Remove args 1 and 2.
        * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
        (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
        doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
        doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
        doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
        some first-person references and patronizing comments.  Based on
        printed manual.
        * doc/invoke.texi: Don't reference fortran@gnu.org.
        * doc/trouble.texi (Warning when a non-void function value is
        ignored): Rewrite.  From Russ Allbery and Chris Devers.

2004-07-02  Daniel Berlin  <dberlin@dberlin.org)

        * tree-ssa-pre.c (bitmap_set_t): New.
        (bb_value_sets): avail_out is now a bitmap_set_t.
        (bitmap_find_leader): New function.
        (bitmap_value_insert_into_set): Ditto.
        (bitmap_set_copy): Ditto.
        (bitmap_value_replace_in_set): Ditto.
        (bitmap_set_contains_value): Ditto.
        (bitmap_set_new): Ditto.
        (bitmap_set_pool): New pool.
        (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
        (insert_aux): Ditto.
        (add_to_sets): Ditto.
        (compute_avail): Ditto
        (eliminate): Ditto.
        (init_pre): Ditto.
        (fini_pre): Ditto.
        (execute_pre): Ditto.

2004-07-02  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (struct processor_costs): New structure
        used to hold instruction latencies/sizes for processor types.
        (rs6000_cost): New global variable pointing to current CPU's costs.
        (rs6000_override_options): Initialize rs6000_cost to point to the
        appropriate cost table based upon rs6000_cpu and optimize_size.
        (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
        timings inline.

2004-07-02  Richard Henderson  <rth@redhat.com>

        * expmed.c (make_tree): Don't use SET_DECL_RTL.

2004-07-02  Steven Bosscher  <stevenb@suse.de>

        * tree-flow.h (bb_ann_d): Remove ephi_nodes field.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
        (alpha_gp_save_rtx): Use assign_stack_local instead of
        gen_mem_addressof.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
        (alpha_rtx_cost_data): Update to match.
        (alpha_rtx_cost_size): New.
        (alpha_rtx_costs): Honor optimize_size.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (lower_function_body): Don't reset_block_changes here.
        * cfgexpand.c (tree_expand_cfg): Do it here.
        * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
        * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
        * config/mips/mips.c (mips_output_mi_thunk): And here.
        * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
        * config/sh/sh.c (sh_output_mi_thunk): And here.
        * config/sparc/sparc.c (sparc_output_mi_thunk): And here.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * tree.def (RTL_EXPR): Remove.
        * c-typeck.c (lvalue_p): Don't handle it.
        * expr.c (safe_from_p): Likewise.
        (expand_expr_real_1): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
        (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
        * gengtype.c (adjust_field_tree_exp): Likewise.
        * stmt.c (warn_if_unused_value): Likewise.
        * tree-gimple.c (recalculate_side_effects): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
        (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
        * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.

        * stmt.c (struct stmt_status): Remove x_last_expr_type,
        x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
        (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
        (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
        all the bits that tracked last_expr.
        (expand_end_bindings): Don't track last_expr.
        (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
        (clear_last_expr): Remove.
        (expand_asm): Don't call it.
        (expand_asm_operands, expand_end_cond): Likewise.
        (expand_naked_return, expand_null_return_1): Likewise.
        * c-typeck.c (c_begin_compound_stmt): Likewise.
        * cfgexpand.c (expand_block): Use expand_expr_stmt.
        * expr.c (expand_expr_real_1): Likewise.
        * tree.h: Update prototypes.

        * function.h (struct sequence_stack): Remove sequence_rtl_expr.
        (struct emit_status): Remove sequence_rtl_expr.
        (struct function): Remove x_rtl_expr_chain.
        (seq_rtl_expr, rtl_expr_chain): Remove.
        * function.c (struct temp_slot): Remove rtl_expr.
        (assign_stack_temp_for_type): Don't set it.
        (free_temp_slots, pop_temp_slots): Don't check it.
        (free_after_compilation): Don't clear x_rtl_expr_chain.
        (fixup_var_refs): Don't search it.
        (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
        * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
        or seq_rtl_expr.
        (push_topmost_sequence): Likewise.
        (end_sequence, init_emit): Likewise.
        (start_sequence_for_rtl_expr): Remove.
        * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
        * rtl.h (preserve_rtl_expr_result): Remove.

2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>

        * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
        tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
        typos.

2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
        (STANDARD_STARTFILE_PREFIX_2): Define.
        (standard_startfile_prefix_1): Initialize to
        STANDARD_STARTFILE_PREFIX_1.
        (standard_startfile_prefix_2): Initialize to
        STANDARD_STARTFILE_PREFIX_2.
        * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
        (STANDARD_STARTFILE_PREFIX_1): Define.
        (STANDARD_STARTFILE_PREFIX_2): Define.
        * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
        (STANDARD_STARTFILE_PREFIX_2): Document.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
        in order to disable scalarization.  Instead set a flag and wait
        for a candidate decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
        doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
        Use terminology "testsuite" and "enumerated".

2004-07-01  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (reg_save): Use INVALID_REGNUM.
        (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
        (initial_return_save): Likewise.
        (flush_queued_reg_saves): Remap register numbers.
        (dwarf2out_return_reg): Likewise.

2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.

        * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
        access functions for lower bound and element size and only output
        if lower bound nonzero or element size not same as that of type.
        (dump_generic_node, case COMPONENT_REF): Use access func. for offset.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.

2004-07-01  Per Bothner  <per@bothner.com>

        * final.c (final):  Fix typo reported by Aaron W. LaFramboise.

2004-07-01  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
        bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
        first operand.  Don't optimize if the bitfield is volatile.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * c-pretty-print.c (pp_c_postfix_expression): Handle
        floating-point comparison operators.
        (pp_c_expression): Pass floating-point comparison
        operators to pp_c_postfix_expression.

2004-07-01  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
        rtx_cost instead of "had_mult" to determine whether the transformed
        expression is cheaper than the original.

2004-07-01  Jerry Quinn  <jlquinn@optonline.net>

        * alias.c (get_alias_set, canon_rtx, get_addr,
        nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
        Use MEM_P.
        * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
        expand_builtin): Likewise.
        * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
        Likewise.
        * combine.c (can_combine_p, combinable_i3pat, try_combine,
        find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
        rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
        record_dead_and_set_regs_1, get_last_value_validate,
        mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
        * cse.c (check_dependence, canon_hash, equiv_constant,
        gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
        cse_around_loop, cse_check_loop_start, cse_set_around_loop,
        count_reg_usage): Likewise.
        * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
        cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
        cselib_record_sets): Likewise.
        * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
        dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
        * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
        * df.c (df_uses_record): Likewise.
        * dojump (do_jump): Likewise.
        * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
        loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
        decl_start_label): Likewise.
        * emit-rtl.c (gen_complex_constant_part, gen_highpart,
        operand_subword, change_address_1, make_safe_from): Likewise.
        * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
        stabilize, force_not_mem): Likewise.
        * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
        expand_mult_const, expand_divmod, emit_store_flag): Likewise.
        * expr.c (convert_move, convert_modes, emit_block_move,
        emit_group_load, emit_group_store, clear_storage, emit_move_insn,
        emit_move_insn_1, expand_assignment, store_expr,
        store_constructor_field, store_constructor, store_field,
        force_operand, safe_from_p, expand_expr_real_1, expand_increment):
        Likewise.
        * final.c (cleanup_subreg_operands, alter_subreg,
        get_mem_expr_from_op): Likewise.
        * flow.c (notice_stack_pointer_modification_1,
        init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
        Likewise.
        * function.c (mark_temp_addr_taken, preserve_temp_slots,
        preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
        optimize_bit_field, flush_addressof, purge_addressof_1,
        instantiate_decl, instantiate_virtual_regs_1, assign_parms,
        setjmp_protect, setjmp_protect_args, fix_lexical_addr,
        keep_stack_depressed): Likewise.
        * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
        noce_process_if_block, find_memory): Likewise.
        * integrate.c (subst_constants, allocate_initial_values): Likewise.
        * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
        update_equiv_regs): Likewise.
        * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
        maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
        * optabs.c (expand_abs, emit_unop_insn): Likewise.
        * passes.c (rest_of_handle_final): Likewise.
        * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
        move2add_note_store): Likewise.
        * ra-build.c (detect_remat_webs): Likewise.
        * ra-debug.c (dump_static_insn_cost): Likewise.
        * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
        * recog.c (validate_change, apply_change_group, cancel_changes,
        validate_replace_rtx_1, general_operand, register_operand,
        nonmemory_operand, push_operand, pop_operand, memory_operand,
        indirect_operand, asm_operand_ok, offsettable_memref_p,
        offsettable_nonstrict_memref_p, constrain_operands,
        store_data_bypass_p): Likewise.
        * reg-stack.c (subst_stack_regs_pat): Likewise.
        * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
        copy_cost, reg_scan_mark_refs): Likewise.
        * regmove.c (optimize_reg_copy_3, stack_memref_p,
        combine_stack_adjustments_for_block): Likewise.
        * regrename.c (copyprop_hardreg_forward_1): Likewise.
        * reload.c (can_reload_into, push_reload, decompose, immune_p,
        find_reloads, find_reloads_address, find_reloads_address_1,
        reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
        find_equiv_reg): Likewise.
        * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
        reload_as_needed, choose_reload_regs, emit_input_reload_insns,
        do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
        delete_address_reloads): Likewise.
        * resource.c (mark_referenced_resources): Likewise.
        * rtlanal.c (get_jump_table_offset, count_occurrences,
        reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
        reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
        num_sign_bit_copies1): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
        * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
        sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
        sdbout_global_decl): Likewise.
        * simplify-rtx.c (simplify_subreg): Likewise.
        * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
        expand_anon_union_decl, expand_end_case_type): Likewise.
        * unroll.c (calculate_giv_inc): Likewise.
        * var-tracking.c (stack_adjust_offset_pre_post,
        bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
        add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
        vt_add_function_parameters): Likewise.
        * varasm.c (make_var_volatile, notice_global_symbol,
        assemble_external, decode_addr_const, mark_weak,
        default_encode_section_info): Likewise.

2004-07-01  Steven Bosscher  <stevenb@suse.de>

        * stmt.c (check_seenlabel): Remove.
        (pushcase, pushcase_range, expand_end_case_type): Don't call it.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.h (struct function): Remove x_function_call_count.
        (function_call_count): Remove.
        * calls.c (expand_call): Don't set it.
        * integrate.c (copy_rtx_and_substitute): Likewise.

        * function.h (struct function): Remove x_cleanup_label.
        (cleanup_label): Remove.
        * stmt.c (expand_value_return): Don't use it.
        * function.c (free_after_compilation): Don't set it.
        (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
        * cfgexpand.c (tree_expand_cfg): Update call.
        * tree.h (expand_function_start): Update decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/1027
        * c-lang.c (c_initialize_diagnostics): Move from here ...
        * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
        (c_tree_printer): Use pretty-printer to format %T.
        * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
        before '*' if not C++.
        (pp_c_direct_abstract_declarator): Don't try to print array upper
        bound for flexible array members.
        * c-tree.h: Include "diagnostic.h".
        (c_initialize_diagnostics): Declare.
        * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
        * c-format.c (format_type_warning): New function.  Improve
        diagnostics for incorrect format argument types.
        (check_format_types): Use it.  Add two parameters.  Use the
        TYPE_MAIN_VARIANT of wanted_type.
        (check_format_info_main): Pass new parameters to
        check_format_types.
        (struct format_wanted_type): Update comment.

2004-07-01  Nick Clifton  <nickc@redhat.com>

        * target.h (struct gcc_target): Add new field to struct cxx:
        import_export_class.
        * target-def.h (TARGET_CXX): Initialise the new field.
        (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
        the new field.
        * doc/tm.texi: Document the new target hook.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin_classify): Fix typo.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.c (identify_blocks, identify_blocks_1): Remove.
        * function.h (identify_blocks): Remove.
        * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin_classify): New.
        (fold_builtin_unordered_cmp): Fix commentary.
        (fold_builtin): Use it.
        * builtins.def: Define builtins for isnan,
        isnanf, isnanl, finite, finitef, finitel,
        isinf, isinff, isinfl.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.h (struct function): Remove dont_emit_block_notes.
        * gimple-low.c (lower_function_body): Don't set it.
        * cfgexpand.c (expand_block): Don't check it.
        * cfglayout.c (insn_locators_initialize): Likewise.
        * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
        * passes.c (rest_of_compilation): Likewise.
        * stmt.c (expand_start_bindings_and_block): Likewise.
        (expand_end_bindings): Likewise.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * cgraph.h (cgraph_build_static_cdtor): Declare.
        * cgraphunit.c (cgraph_build_static_cdtor): New.
        * c-objc-common.c (build_cdtor): Use it.
        * coverage.c (create_coverage): Likewise.
        * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
        * optabs.c (init_optabs): Don't set gcov_init_libfunc.

See ChangeLog.11 for earlier changes.