* tree-ssa-loop-ch.c: New file.

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

2004-06-30  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-ch.c: New file.
        * Makefile.in (tree-ssa-loop-ch.o): Add.
        (tree-into-ssa.o): Add GGC_H dependency.
        * tree-cfg.c (tree_duplicate_bb): Copy virtual arguments.
        * tree-flow.h (rewrite_into_ssa): Declaration changed.
        (rewrite_ssa_into_ssa, compute_global_livein, duplicate_ssa_name):
        Declare.
        * tree-into-ssa.c: Include ggc.h.
        (struct def_blocks_d): Add phi_blocks field.
        (struct mark_def_sites_global_data): Add names_to_rename field.
        (struct ssa_name_info): New.
        (compute_global_livein): Export.
        (set_def_block, insert_phi_nodes, mark_def_sites, set_livein_block,
        insert_phi_nodes_1, rewrite_finalize_block, insert_phi_nodes_for,
        register_new_def, get_reaching_def, def_blocks_free,
        get_def_blocks_for, rewrite_into_ssa): Modified to work with
        rewrite_ssa_into_ssa.
        (get_ssa_name_ann, get_phi_state, set_phi_state, get_current_def,
        set_current_def, ssa_mark_def_sites_initialize_block,
        ssa_mark_phi_uses, ssa_mark_def_sites, duplicate_ssa_name,
        ssa_register_new_def, ssa_rewrite_initialize_block,
        ssa_rewrite_phi_arguments, ssa_rewrite_finalize_block,
        ssa_rewrite_stmt, rewrite_ssa_into_ssa, rewrite_all_into_ssa): New
        functions.
        (pass_build_ssa): Call rewrite_all_into_ssa.
        * tree-optimize.c (execute_todo, execute_one_pass,
        tree_rest_of_compilation): Allocate vars_to_rename only once.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Provide parameter
        to rewrite_into_ssa.
        * tree-ssa-loop.c (should_duplicate_loop_header_p,
        mark_defs_for_rewrite, duplicate_blocks, do_while_loop_p,
        copy_loop_headers, gate_ch, pass_ch): Moved to tree-ssa-loop-ch.c.
        Use rewrite_ssa_into_ssa.
        * tree-ssa-operands.c (copy_virtual_operands): New function.
        * tree-ssa-operands.h (copy_virtual_operands): Declare.
        * tree.h (struct tree_ssa_name): Add aux field.
        (SSA_NAME_AUX): New macro to access it.

2004-05-28 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * prefix.c (lookup_key): Cast buffer to LPBYTE.

2004-06-30  Per Bothner  <per@bothner.com>

        Conditionally compile support for --enable-mapped_location.
        * input.h:  #include line-map.h for source_location typedef.
        (BUILTINS_LOCATION, UNKNOWN_LOCATION, expand_location,
        LOCATION_FILE, LOCATION_LINE):  New macros and functions.
        (expanded_location, source_locus):  New typedefs.
        (push_srcloc):  Change parameter list if USE_MAPPED_LOCATION.
        * rtl.def (NOTE, ASM_OPERANDS):  Modify specifcation, if
        USE_MAPPED_LOCATION.
        * rtl.h (NOTE_DELETED_LABEL_NAME):  New macro.
        (NOTE_SOURCE_LOCATION, NOTE_EXPNDED_LOCATION, SET_INSN_DELETED):
        New conditional macros.
        (ASM_OPERANDS_SOURCE_FILE, ASM_OPERANDS_SOURCE_LINE):  Replace
        by ASM_OPERANDS_SOURCE_LOCATION if USE_MAPPED_LOCATION.
        * tree.h (EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_HAS_LOCATION,
        EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LINENO,
        DECL_IS_BUILTIN):  New macros, most depending on USE_MAPPED__LOCATION.
        (tree_exp):  Change type of locus to use new source_locus typedef.
        * tree.c (build1_stat):  Use SET_EXPR_LOCATION.
        (annotate_with_locus, annotate_with_file_line):  Conditionalize.
        (expand_location):  New function.
        * toplev.c (unknown_location):  New static, when USE_MAPPED_LOCATION.
        (push_srcloc, pop_loc):  Adjust parameter handling.
        (process_options):  Don't set input_filename by itself.
        (lang_dependent_init):  Save, set input_location to <built-in>.
        (warn_deprecated_use):  Use expand_location.

        * basic-block.h (struct edge_def):  Use new source_locus typedef.
        * c-common.c (fname_decl):  Update save/clear/store of input_location.
        (c_do_switch_warnings):  Update for USE_MAPPED_LOCATION case.
        * c-decl.c:  Likewise.
        * c-dump.c (dump_stmt):  Likewise.
        * c-gimplify.c (c-gimplify.c):  Generalize using SET_EXPR_LOCATION.
        * c-lex.c (cb_line_change):  If USE_MAPPED_LOCATION use token's src_loc
        to set input_location direction, rather than using linemap_lookup.
        (fe_file_change, cb_def_pragma):  Again use source_location directly.
        * c-opts.c (saved_lineno):  Remove static variable.
        (c_common_post_options, c_common_init):  Don't bothner to save,
        clear and restore input_Location - now handled by lang_dependent_init.
        * function.c (init_function_start):  Use new DECL_IS_BUILTIN macro.
        * xcoffout.c (xcoff_assign_fundamental_type_number):  Likewise.
        * tree-mudflap.c (mf_file_function_line_tree):  Take a location_t
        rather than a pointer to one.  Use expand_location.
        (mf_varname_tree):  Use expand_location.
        * tree-dump.c:  Use expand_location on DECL_SOURCE_LOCATION.
        * coverage.c:  Likewise.
        * print-tree.c:  Likewise.
        * c-aux-info.c (gen_aux_info_record):  Likewise.
        * c-parse.in:  Use SET_EXPR_LOCATION macro.
        * gimple-low.c:  Likewise.
        * tree-mudflap.c:  Likewise.
        * gimplify.c:  Likewise.  Also use EXPR_LOCATION and EXPR_HAS_LOCATION.
        * c-ppoutput.c:  Use new source_location typedef instead of fileline.
        * c-semantics.c:  Use new macros.
        * c-typeck.c:  Likewise.
        * cfgexpand.c:  Handle USE_MAPPED_LOCATION case for function_end_locus.
        * cfglayout.c (insn_locators_initialize):  Const cleanup.  New macros.
        * cfgrtl.c (delete_insn):  Use new NOTE_DELETED_LABEL_NAME macro.
        * print-rtl.c (print_rtx):  Likewise.
        * emit-rtl.c:  Don't clear NOTE_SOURCE_FILE if USE_MAPPED_LOCATION.
        * combine.c:  Use new SET_INSN_DELETED macro.
        * flow.c:  Likewise.
        * haifa-sched.c:  Likewise.
        * ifcvt.c:  Likewise.
        * recog.c:  Likewise.
        * reload1.c:  Likewise.
        * diagnostic.c:  Use expand_location macro.
        * pretty-print.c (pp_base_format_text):  Likewise.
        * profile.c:  Likewise.
        * dwarf2out.c:  Likewise.  Also use expand_location, DECL_IS_BUILTIN.
        * dwarf2out.c (dwarf2out_decl:  Use BUILTINS_LOCATION.
        * emit-rtl.c (emit_line_note):  Simplify if USE_MAPPED_LOCATION.
        (force_next_line_note, insn_emit):  Handle USE_MAPPED_LOCATION case.
        * final.c (final):  Likewise.
        * haifa-sched.c:  Likewise.
        * integrate.c:  Likewise.
        * jump.c:  Likewise.
        * rtl-error.c:  Likewise.
        * stmt.c (check_seenlabel):  Likewise.
        * tree-pretty-print.c:  Likewise.
        * gengtype-lex.l:  Temporary kludge to avoid duplicate typedef.
        * gengtype.c:  Update for now typdefs in input.h.  More kludges.
        * modulo-sched.c (sms_schedule):  Use NOTE_EXPANDED_LOCATION macro.
        * ra-debug.c (ra_print_rtl):  Likewise.
        * sched-rgn.c:  Likewise.
        * sched-vis.c:  Likewise.
        * rtl.h (gen_rtx_ASM_OPERANDS):  Redefine if USE_MAPPED_LOCATION.
        * stmt.c (expand_asm_operands):  Adjust calls to gen_rtx_ASM_OPERANDS.
        * tree-cfg.c:  Use new macros and typedefs.
        * tree-flow-inline.h:  Likewise.

2004-06-30  Richard Sandiford  <rsandifo@redhat.com>
            Eric Christopher  <echristo@redhat.com>

        * config/mips/3000.md: Improve description.

2004-06-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/cirrus.md (cirrus_arm_movdi, cirrus_movsf_hard_insn,
        cirrus_movdf_hard_insn): Set pool ranges for coprocessor loads.

2004-06-30  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (OBJS-common): Add tree-chrec.o.
        (tree-chrec.o): New rule.
        (GTFILES): Add tree-chrec.h.
        * gengtype.c (open_base_files): Add tree-chrec.h.
        * tree-chrec.c: New file.
        * tree-chrec.h: New file.
        * tree.def (SCEV_KNOWN, SCEV_NOT_KNOWN, POLYNOMIAL_CHREC): New nodes.

2004-06-30  Roger Sayle  <roger@eyesopen.com>

        * combine.c: Include "output.h" to define dump_file.
        (uid_insn_cost, last_insn_cost): New global variables.
        (combine_insn_cost): New function to estimate cost of an insn.
        (combine_validate_cost): New function to determine whether a
        try_combine replacement sequence is cheaper than the original.
        (combine_instructions): Allocate and populate uid_insn_cost
        array at the start of the combine pass, and deallocate it after.
        (try_combine): Check combine_validate_cost to determine whether
        a "recombination" should be rejected as being more expensive.
        * Makefile.in (combine.o): Add dependency upon output.h.

2004-06-30  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle
        subtractions identically to additions, always COSTS_N_INSNS (1).

2004-06-30  J"orn Rennecke <joern.rennecke@superh.com>

        * expmed.c (expand_smod_pow2): Fix sign of mask.

2004-06-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-pre.c (phi_trans_add): Use is_gimple_min_invariant
        to check for constants.
        (set_remove): Likewise.
        (value_replace_in_set): Likewise.
        (find_leader): Likewise.
        * tree-vn.c (set_value_handle): Likewise.
        (vn_lookup): Likewise.
        (vn_lookup_or_add): Likewise.

2004-06-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        RTL prologue/epilogue for SPARC
        * config/sparc/sparc-protos.h (sparc_emitting_epilogue): Delete.
        (sparc_skip_caller_unimp): Likewise.
        (load_pic_register): Likewise.
        (leaf_return_peephole_ok): Likewise.
        (compute_frame_size): Rename into sparc_compute_frame_size.
        (sparc_expand_prologue): New prototype.
        (sparc_expand_epilogue): Likewise.
        (output_return): Likewise.
        (eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
        * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Adjust call to
        compute_frame_size.  Move comment up.
        (DELAY_SLOTS_FOR_EPILOGUE): Delete.
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
        (EPILOGUE_USES): Return true for %g1 if the function uses EH return.
        * config/sparc/sparc.md (UNSPECV_SAVEW): New constant.
        (type attribute): Add 'return' and 'savew'.
        (eligible_for_return_delay): New attribute.
        (return): New delay_slot.
        (sibcall_epilogue): Call sparc_expand_epilogue.
        (prologue): Likewise.  Move up.
        (save_register_window): New expander.
        (save_register_windowsi): New pattern.
        (save_register_windowdi): Likewise.
        (epilogue): New expander.
        (return_internal): New pattern.
        (Return peepholes): Delete.
        * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): New macro.
        (sparc_emitting_epilogue): Delete.
        (sparc_skip_caller_unimp): Likewise.
        (sparc_sr_alias_set): New global variable.
        (frame_base_name): Delete.
        (frame_base_reg): New global variable.
        (sparc_override_options): Get new alias set for save/restore.
        (leaf_return_peephole_ok): Delete.
        (eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
        Factor out code into eligible_for_restore_insn_delay.
        (eligible_for_restore_insn_delay): New function extraced from above.
        Use IN_UNCOND_BRANCH_DELAY_TRUE instead of IN_BRANCH_DELAY_TRUE.
        (eligible_for_sibcall_delay): Use SIBCALL_SLOT_EMPTY_P.
        Factor out code into eligible_for_restore_insn_delay.
        (load_pic_register): Make static.  Remove check.
        (save_regs): Delete.
        (restore_regs): Likewise.
        (compute_frame_size): Rename into sparc_compute_frame_size.
        Rename leaf_function into leaf_function_p.
        (build_big_number): Delete.
        (save_or_restore_regs): New function.
        (emit_save_regs): Likewise.
        (emit_restore_regs): Likewise.
        (emit_stack_pointer_increment ): Likewise.
        (emit_stack_pointer_decrement): Likewise.
        (sparc_expand_prologue): Likewise.
        (sparc_function_prologue): Rename into sparc_asm_function_prologue.
        Remove all code to emit instructions.
        (sparc_expand_epilogue): New function.
        (sparc_function_epilogue): Rename into sparc_asm_function_epilogue.
        Remove all code to emit instructions.
        (output_restore): New function.
        (output_return): Likewise.
        (output_sibcall): Factor out code into output_restore.
        (print_operand): Adjust for frame_base_reg.
        * target.h (struct gcc_target): New field 'late_rtl_prologue_epilogue'.
        * target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): New define.
        (TARGET_INITIALIZER): Add it.
        * passes.c (rest_of_compilation): Set the conditional predicate
        'current_function_uses_only_leaf_regs' before sched2.  If target
        has 'late_rtl_prologue_epilogue', emit RTL prologue/epilogue right
        before sched2.
        * reorg.c (return_insn_p): New predicate.
        (find_end_label): Use it.
        (relax_delay_slots): Do not thread an unconditional jump that points
        to the end return label.
        * doc/tm.texi (Registers) <Leaf Functions>: Clarify the validity
        domain of 'current_function_uses_only_leaf_regs'.
        (Stack and Calling) <Function Entry>: Document new target hook
        TARGET_LATE_RTL_PROLOGUE_EPILOGUE.

2004-06-30  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_binary_operation): Simplify
        ((A & N) + B) & M -> (A + B) & M if M is pow2 minus 1 constant and
        N has at least all bits in M set as well.

        PR tree-optimization/15310
        * expr.c (expand_assignment): Optimize += or -= on a bit field in
        most significant bits.

2004-06-30  Steven Bosscher  <stevenb@suse.de>

        * config/c4x/c4x.md: Fix comment.

2004-06-30  Akos Kiss  <akiss@inf.u-szeged.hu>

        * arm.md (cond_return_inverted): Add "length" attribute.

2004-06-29  Per Bothner  <per@bothner.com>

        * config/i386/winnt.c (i386_pe_encode_section_info):  Smash rtlname's
        XSTR in place, so we don't lose SYMBOL_REF_DECL info.

2004-06-29  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/hpux.h: Target does too support thread-local storage.

2004-06-29  Zack Weinberg  <zack@codesourcery.com>

        * combine.c (distribute_notes): Don't look at global_regs for
        pseudos.

2004-06-29  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_modify_expr_rhs): Move immediately before
        gimplify_modify_expr.
        (gimplify_init_constructor): Likewise.  Gimplify the null
        CONSTRUCTOR assignment.
        (gimplify_modify_expr_to_memcpy): New.
        (gimplify_modify_expr_to_memset): New.
        (gimplify_modify_expr): Use them.

2004-06-29  Roman Zippel <zippel@linux-m68k.org>

        * web.c (union_defs): use all defs of an instruction to create a
        union with a read/write use

2004-06-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/16216
        * builtins.c (gimplify_va_arg_expr): Check for valist being
        an error_mark_node.

2004-06-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/16195
        * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
        r30 fixed if TARGET_TOC && TARGET_MINIMAL_TOC.
        (first_reg_to_save): Pretend call_used_regs[30] is 0 if
        TARGET_TOC && TARGET_MINIMAL_TOC.
        (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.

2004-06-29  J"orn Rennecke <joern.rennecke@superh.com>

        Fix gcc.dg/builtin-apply2.c failures:
        * sh.h (TARGET_VARARGS_PRETEND_ARGS): Define.
        * sh.c (extra_push): Delete.
        (sh_expand_prologue): Don't do extra stack adjustment for
        current_function_pretend_args_size if it comes from varargs setup.
        Use TARGET_VARARGS_PRETEND_ARGS.  Don't set extra_push.
        (sh_expand_epilogue): Don't use extra_push.
        (sh_setup_incoming_varargs): Set pretend_arg_size when necessary.

2004-06-29  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_smod_pow2): Provide alternate implementations
        that avoid conditional jumps, and choose between them based upon
        the target's rtx_costs.

2004-06-29  Andrew Pinski  <apinski@apple.com>

        * tree-sra.c: Include expr.h for definition of MOVE_RATIO.
        * Makefile.in (tree-sra.c): Update dependencies.

2004-06-29  Richard Henderson  <rth@redhat.com>

        * tree-sra.c: Rewrite from scratch.  Handle nested aggregates.

2004-06-29  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_safe_push, VEC_T_safe_insert): Tweak for when
        size_t is bigger than int.

2004-06-29  Paul Brook  <paul@codesourcery.com>

        * target-def.h (TARGET_CXX_GET_COOKIE_SIZE,
        TARGET_CXX_COOKIE_HAS_SIZE): Define.
        (TARGET_CXX): Use them.
        * target.h (struct gcc_target): Add cxx.get_cookie_size and
        cxx.cookie_has_size.
        * targhooks.c (default_cxx_get_cookie_size): New fucntion.
        * targhooks.h (default_cxx_get_cookie_size): Add prototype.
        * config/arm/arm.c (TARGET_CXX_GET_COOKIE_SIZE,
        TARGET_CXX_COOKIE_HAS_SIZE): Define.
        (arm_get_cookie_size, arm_cookie_has_size): New functions.
        * Make-lang.in (cp/init.o): Add dependency on $(TARGET_H).
        * doc/tm.texi: Document TARGET_CXX_GET_COOKIE_SIZE and
        TARGET_CXX_COOKIE_HAS_SIZE.

2004-06-29  J"orn Rennecke <joern.rennecke@superh.com>

        * cfglayout.c (fixup_reorder_chain): Don't do anything for
        e_fall->dest == EXIT_BLOCK_PTR.

2004-06-28  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (verify_stmt): Add last_in_block parameter.  Verify
        that eh stmts can throw.
        (verify_stmts): Update verify_stmt call.
        (tree_purge_dead_eh_edges, tree_purge_all_dead_eh_edges): New.
        * tree-eh.c (remove_stmt_from_eh_region): New.
        (lower_eh_constructs): Fix throw_stmt_table delete routine.
        (tree_could_trap_p): Match may_trap_p.
        (maybe_clean_eh_stmt): New.
        * tree-flow.h: Update decls.
        * tree-ssa-ccp.c (pass_ccp): Add TODO_verify_stmts.
        (substitute_and_fold): Clean eh edges.
        * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Handle
        empty basic blocks.
        * tree-ssa-dom.c (need_eh_cleanup): New.
        (tree_ssa_dominator_optimize): Allocate it.  Cleanup eh edges.
        (optimize_stmt): Cleanup eh stmts; set need_eh_cleanup.

2004-06-29  Alan Modra  <amodra@bigpond.net.au>

        * function.c (assign_parms): Don't abort with zero size stack
        parm failing the PARM_BOUNDARY check.

2004-06-28  Diego Novillo  <dnovillo@redhat.com>

        * common.opt (ftree-fre): New flag.
        * flags.h (flag_tree_fre): Declare.
        * opts.c (decode_options): Set.
        * timevar.def (TV_TREE_FRE): Define.
        * tree-flow-inline.h (may_propagate_copy): Re-arrange for
        readability.  Handle destinations that are not SSA_NAMEs.
        * tree-flow.h (struct ptr_info_def): Move from tree.h
        (cprop_into_stmt, cprop_into_successor_phis): Remove.
        (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Add
        vuse_optype parameter.
        * tree-pass.h (pass_fre): Declare.
        * tree-ssa-copy.c (cprop_operand): Move to tree-ssa-dom.c
        (cprop_into_stmt): Likewise.
        (cprop_into_successor_phis): Likewise.
        * tree-ssa-dom.c (eliminate_redundant_computations): Fix
        argument ordering in call to may_propagate_copy.
        * tree-ssa-pre.c (is_undefined_value): Assume hard registers
        to be always defined.
        (add_to_sets): New local function.
        (create_value_expr_from): New local function.
        (compute_avail): Call them.
        (eliminate): Don't ignore statements with virtual operands.
        (init_pre): New local function.
        (fini_pre): New local function.
        (execute_pre): Call them.
        Add argument DO_FRE.  Don't do insertion if DO_FRE is true.
        (do_pre): New function.
        (do_fre): New function.
        (gate_fre): New function.
        (pass_fre): Declare.
        * tree-ssa.c (init_tree_ssa): Don't call vn_init.
        (delete_tree_ssa): Don't call vn_delete.
        * tree-vn.c (val_expr_pair_d): Add documentation.
        (vn_compute): Add VUSES argument to incorporate in computing
        hash values.  Update all callers.
        (expressions_equal_p): Call operand_equal_p with
        OEP_PURE_SAME.
        (vn_add): Add VUSES argument.  Update all callers.
        (vn_lookup): Likewise.
        (vn_lookup_or_add): Likewise.
        * doc/invoke.texi: Document -ftree-fre and -fdump-tree-fre.

2004-06-28  Steven Bosscher  <stevenb@suse.de>

        * config/m32r/m32r.c (m32r_sched_odd_word_p, m32r_adjust_cost,
        m32r_sched_init, m32r_sched_reorder, m32r_variable_issue): Remove.
        (TARGET_SCHED_ADJUST_COST, TARGET_SCHED_VARIABLE_ISSUE,
        TARGET_SCHED_INIT, TARGET_SCHED_REORDER): Don't define.
        * config/m32r/m32r.md: Rewrite the pipeline description as a DFA.

2004-06-28  Richard Henderson  <rth@redhat.com>

        * tree.def (REALPART_EXPR, IMAGPART_EXPR): Change class to 'r'.
        * fold-const.c (operand_equal_p <case 'r'>): Add REALPART_EXPR,
        IMAGPART_EXPR.
        * tree-dump.c (dequeue_and_dump): Handle REALPART_EXPR and
        IMAGPART_EXPR explicitly.
        * tree-inline.c (estimate_num_insns_1): Don't handle REALPART_EXPR
        and IMAGPART_EXPR specially.
        * tree.c (build1_stat): Copy TREE_THIS_VOLATILE into class 'r'.

2004-06-28  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh*-*elf*): Remove dead assignment of sh_multilibs.

2004-06-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * builtins.def (execl, execlp, execle, execv, execvp, execve,
        fork): Change to DEF_EXT_LIB_BUILTIN.

2004-06-28  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_smod_pow2): New function to expand signed
        remainder by a constant power of 2, such as "x % 16".
        (expand_divmod): Call new expand_smod_pow2 when appropriate.
        Minor corrections to comments, e.g. wrapping long lines.

2004-06-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * Makefile.in (vec.o): Fix dependencies.

2004-06-28  Andreas Tobler <a.tobler@schweiz.ch>

        * Makefile.in: Fix parallel make dependency problem on vec.o.

2004-06-28  Dhananjay Deshpande  <dhananjayd@kpitcummins.com>

        PR target/14041
        * config/h8300/h8300.h (ASM_OUTPUT_ALIGNED_BSS): Define.

2004-06-28  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (tree_check_failed): Make varadic.
        (tree_not_check_failed): New prototype.
        (tree_check2_failed, tree_check3_failed,
        tree_check4_failed, tree_check5_failed): Remove.
        (TREE_CHECK, TREE_CHECK2, TREE_CHECK3, TREE_CHECK4,
        TREE_CHECK5): Adjust.
        (TREE_NOT_CHECK, TREE_NOT_CHECK2, TREE_NOT_CHECK3, TREE_NOT_CHECK4,
        TREE_NOT_CHECK5): New.
        (TREE_VEC_ELT_CHECK, PHI_NODE_ELT_CHECK, TREE_OPERAND_CHECK_CODE,
        TREE_RTL_OPERAND_CHECK): Adjust.
        * tree.c (tree_check_failed): Make varadic.
        (tree_not_check_failed): New.
        (tree_check2_failed, tree_check3_failed,
        tree_check4_failed, tree_check5_failed): Remove.

2004-06-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (can_combine_p): Do not prevent building insns that use
        and clobber the same fixed hard register.
        (reg_dead_at_p): Likewise.

2004-06-28  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-sra.c (is_sra_candidate_ref): Remove second arg; all callers
        changed.
        (is_sra_candidate_complex_ref): New function.
        (scalarize_modify_expr): Call it and check for LHS also.

        * tree-pretty-print.c (dump_function_declaration): New.
        (dump_generic_node, case FUNCTION_TYPE): Call it.
        (dump_generic_node, case RECORD_TYPE): Don't output dup semicolon.
        (dump_generic_node, case DECL_EXPR): New case.
        (dump_generic_node, case PLACEHOLDER_EXPR): Handle.
        (print_declaration): Handle type and function declarations.

        * tree-nested.c (create_tmp_var_for): Allow ARRAY_TYPE.
        (convert_nonlocal_reference, convert_local_reference): Properly
        convert nest of handled component references.

2004-06-28  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h, vec.c: New, type safe vector API.
        * Makefile.in (OBJS-common): Add vec.o.
        (vec.o): New target.
        (gengtype-lex.o): Depend on vec.h.

2004-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c (fold_cond_expr_with_comparison): Add ARG1
        parameter.  Use it instead of ARG00 to produce the result.

2004-06-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300-protos.h (legitimate_address_p): Declare.
        * config/mn10300/mn10300.c (legitimate_address_p): New.  Test that
        index is legitimate, compared with code moved from...
        * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): here.
        (REG_STRICT): Define, according to REG_OK_STRICT.
        (REGNO_IN_RANGE_P, REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P,
        REGNO_EXTENDED_P, REGNO_AM33_P, REGNO_FP_P): Introduce strict
        argument.
        (REGNO_STRICT_OK_FOR_BASE_P, REGNO_STRICT_OK_FOR_BIT_BASE_P,
        REGNO_STRICT_OK_FOR_INDEX_P): New.
        (REGNO_OK_FOR_BASE_P, REG_OK_FOR_BASE_P, REGNO_OK_FOR_BIT_BASE_P,
        REG_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P,
        RTX_OK_FOR_BASE_P): Use them.

2004-06-28  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Basic Blocks): Define dominators.

2004-06-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/16205
        * c-common.c (warn_for_collisions_1): Warn for only decls which
        have a name.

        PR c++/15145
        * c.opt (Wsequence-point): Enable for C++ and ObjC++.

        PR c/14963
        * c-decl.c (start_decl): Check for null types.

2004-06-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
        Accept TOC addresses.

2004-06-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_load_got): Update prototype.
        * config/s390/s390.c (struct machine_function): Add member base_reg.
        (s390_decompose_address): Accept UNSPEC_LTREF.  Simplify logic.
        (s390_split_branches): Annotate late pool references.
        (annotate_constant_pool_refs): New function.
        (find_constant_pool_ref): Work on annotated pool references.
        (replace_constant_pool_ref): Likewise.  Use explicit base.
        (replace_ltrel_base): Use explicit base.
        (s390_mainpool_start): Reflect main_pool pattern change.
        (s390_mainpool_finish): Use base register from main_pool.
        Update calls to replace_ltrel_base and replace_constant_pool_ref.
        (s390_chunkify_start): Use base_reg from struct machine_function.
        (s390_chunkify_finish): Remove base_reg argument.  Update calls
        to replace_ltrel_base and replace_constant_pool_ref.
        (s390_reorg): Don't decide upon base register.  Update calls.
        (s390_load_got): Remove MAYBE_DEAD handling.  Do not emit insns
        but return sequence instead.
        (s390_emit_prologue): Decide upon base register to use.  Annotate
        all literal pool references.  Adapt to main_pool pattern change.
        Update s390_load_got call; move MAYBE_DEAD handling here.
        (s390_emit_epilogue): Annotate late literal pool references.
        Remove barrier before register restore instruction.
        * config/s390/s390.md (UNSPEC_LTREF): New constant.
        ("builtin_setjmp_receiver"): Update s390_load_got call.
        ("main_pool"): Explicitly reference base register.

2004-06-27  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <BIT_IOR_EXPR>: Optimize ~X|X and X|~X as -1.
        <BIT_XOR_EXPR>: Optimize ~X|X and X|~X as -1.
        <BIT_AND_EXPR>: Optimize ~X&X and X&~X as 0.
        <TRUTH_AND_EXPR, TRUTH_ANDIF_EXPR>: Optimize !X&&X and X&&!X as false.
        <TRUTH_OR_EXPR, TRUTH_ORIF_EXPR>: Optimize !X||X and !X||X as true.
        <TRUTH_XOR_EXPR>: Optimize !X^X and X^X! as true.  Now that
        TRUTH_XOR_EXPR is a commutative tree code, don't test whether arg0
        is a constant.

2004-06-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-common.c (c_safe_from_p, c_walk_subtrees): Deleted.
        * c-common.def (DECL_STMT): Remove.
        * c-common.h (DECL_STMT_DECL): Deleted.
        (COMPOUNT_LITERAL_EXPR_DECL): Use DECL_EXPR_DECL.
        (c_safe_from_p, c_walk_subtrees): Deleted.
        * c-decl.c, c-parse.in, c-pretty-print.c: DECL_STMT now DECL_EXPR.
        * c-dump.c (c_dump_tree, case DECL_STMT): Deleted.
        * c-gimplify.c (gimplify_decl_stmt): Deleted.
        (gimplify_compound_literal_expr): Use DECL_EXPR_DECL
        and gimplify_and_add.
        (c_gimplify_expr, case DECL_EXPR): New case.
        (c_gimplify_expr, case DECL_STMT): Deleted.
        * c-lang.c (LANG_HOOKS_SAFE_FROM_P): Likewise.
        (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
        * expr.c (safe_from_p, case 's'): New case.
        * gimplify.c (gimplify_decl_expr): New function.
        (gimplify_expr, case DECL_EXPR): New case.
        * tree-inline.c (walk_tree): Walk into all fields of a type and
        decl only if they are in a DECL_EXPR.
        (mark_local_for_remap_r): Minor code cleanup.
        * tree-outof-ssa.c (discover_nonconstant_array_refs_r): Add else.
        * tree.c (has_cleanups, case DECL_EXPR): New case.
        * tree.def (DECL_EXPR): New code.
        * tree.h (DECL_EXPR_DECL): New macro.

        * objc/objc-lang.c (LANG_HOOKS_SAFE_FROM_P): Deleted.

2004-06-26  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 13334
        * doc/install.texi: Document non-standard CFLAGS and bootstrap
        failures and warnings.

2004-06-26  Andrew Haley  <aph@redhat.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Check
        TREE_THIS_NOTRAP when setting MEM_NOTRAP_P.
        * tree-eh.c (tree_could_trap_p): Check TREE_THIS_NOTRAP.
        * tree.h (TREE_THIS_NOTRAP): New.

2004-06-26  Kaz Kojima  <kkojima@gcc.gnu.org>

        * genattrtab.c (write_test_expr): Put a unsigned cast before
        the first operand for GEU, GTU, LEU and LTU.

2004-06-26  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c, cfgexpand.c, ddg.c, ddg.h, df.c, fold-const.c,
        gcov.c, gimplify.c, modulo-sched.c, passes.c, tree-cfg.c,
        tree-mudflap.c, tree-nrv.c, tree-outof-ssa.c, tree-ssa-dom.c,
        tree-ssa-dse.c, tree-ssa-operands.c, tree-ssa-pre.c,
        tree-tailcall.c: Fix comment typos.  Follow spelling
        conventions.

2004-06-25  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md: Add back scheduling exclusion info.

2004-06-25  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (seq_contains_jump): Delete function.
        (end_ifcvt_sequence): Replace call to seq_contains_jump with an
        inline test for a jump instruction in the existing "insn" loop.
        (block_fallthru): Document function.

2004-06-25  Philip Blundell  <philb@gnu.org>

        PR wrong-code/15089
        * loop.c (scan_loop): Do not move user-specified register
        assignments.

2004-06-25  DJ Delorie  <dj@redhat.com>

        * c-common.h (warn_cast_qual, warn_missing_format_attribute,
        warn_pointer_arith, warn_missing_prototypes, warn_parentheses,
        warn_missing_braces, warn_sign_compare, warn_long_long,
        warn_redundant_decls, warn_float_equal, warn_char_subscripts,
        warn_conversion, warn_format_y2k, warn_format_extra_args,
        warn_format_zero_length, warn_format_nonliteral,
        warn_format_security, mesg_implicit_function_declaration,
        warn_bad_function_cast, warn_traditional,
        warn_declaration_after_statement, warn_strict_prototypes,
        warn_missing_declarations, warn_nested_externs,
        warn_sequence_point, warn_init_self, warn_div_by_zero,
        warn_implicit_int, warn_nonnull, warn_old_style_definition,
        warn_selector, warn_undeclared_selector, warn_protocol,
        warn_abi, warn_invalid_offsetof, warn_ctor_dtor_privacy,
        warn_overloaded_virtual, warn_nonvdtor, warn_reorder,
        warn_synth, warn_pmf2ptr, warn_ecpp, warn_sign_promo,
        warn_old_style_cast, warn_nontemplate_friend,
        warn_deprecated): Remove explicit declarations.
        * c-common.c: Likewise, remove explicit definitions.
        * c-opts.c: Likewise, remove explicit assignments.
        * c.opts: Likewise, add implicit declare/define/assign.

2004-06-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * gimplify.c (lookup_tmp_var): Set TREE_READONLY in is_formal case.
        (build_addr_expr_with_type): Deleted.
        (build_addr_expr): Deleted; callers changed to build_fold_addr_expr.
        (gimplify_compound_lval): Make two passes over reference nest.

        * tree-nested.c (build_addr): Merge real/imagpart with
        handled_component_p.
        (convert_nonlocal_reference, convert_local_reference): Process extra
        args to COMPONENT_REF and ARRAY_REF.
        * tree-outof-ssa.c (discover_nonconstant_array_refs_r): Check for
        lower bound and field offset being constant.

2004-06-25  Mark Mitchell  <mark@codesourcery.com>

        PR wrong-code/16129
        * alias.c (get_alias_set): Adjust setting of
        DECL_POINTER_ALIAS_SET for pointers to aggregates.

2004-06-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-inline.c (remap_type): Arrange to have just one pointer type
        for each type, mode, and 'can alias' value.
        (setup_one_parameter): Remap type when making VAR_DECL for PARM_DECL.
        (estimate_num_insns_1): Minor code reformatting.
        (inline_forbidden_p_1): Likewise; add; missing return statement.

2004-06-25  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/15825
        * ifcvt.c (unshare_ifcvt_sequence): Rename to end_ifcvt_sequence.
        Use get_isns and end_sequence instead of accepting a seq argument.
        Scan the instruction sequence for unrecognizable or jump insns.
        (noce_try_move, noce_try_store_flag, noce_try_store_flag_constants,
        noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove,
        noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
        noce_try_sign_mask): Use end_ifcvt_sequence to factor common code.

2004-06-24  Jeff Law  <law@redhat.com>

        * gimplify.c (gimplify_compound_lval): Reset TREE_SIDE_EFFECTS
        after gimplifying the innermost component.

2004-06-25  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16176
        * config/mips/mips.c (mips_expand_unaligned_load): Use a temporary
        register for the destination of the lwl or ldl.

2004-06-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-dfa.c (get_virtual_var): Merge real/imaginary parts with
        handled_component_p handling.
        * tree-gimple.c (get_base_address): Likewise and fix typo that
        caused both recursion and looping.

        * tree-cfg.c (verify_expr): Add macro CHECK_OK.
        Properly test for nest of handled_components in LHS context.

2004-06-25  Devang Patel  <dpatel@apple.com>

        * doc/tree-ssa.texi: Document info about MODIFY_EXPR's type

2004-06-25  Paul Brook  <paul@codesourcery.com>

        * target-def.h (TARGET_CXX_GUARD_TYPE, TARGET_CXX_GUARD_MASK_BIT,
        TARGET_CXX): Define.
        (TARGET_INITIALIZER): Use TARGET_CXX.
        * target.h (struct gcc_target): Add struct cxx.
        * targhooks.h (default_cxx_guard_type): Add prototype.
        * targhooks.c (default_cxx_guard_type): New function.
        * config/arm/arm.c (TARGET_CXX_GUARD_TYPE, TARGET_CXX_GUARD_MASK_BIT):
        Define.
        (arm_cxx_guard_type, arm_cxx_guard_mask_bit): New functions.
        * doc/tm.texi: Document TARGET_CXX_GUARD_TYPE and
        TARGET_CXX_GUARD_MASK_BIT.

2004-06-25  Devang Patel  <dpatel@apple.com>

        * config/rs6000/darwin.h (CC1_SPEC): Handle -gused and -gfull.
        * config/i386/darwin.h (CC1_SPEC): Same.

2004-06-25  Mark G. Adams  <mark.g.adams@sympatico.ca>

        * dbxout.h: Add include guards

2004-06-25  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_EABI__.

2004-06-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_arch4t): New variable.
        (arm_override_options): Initialize it.  If compiling for armv5 or
        higher clear TARGET_INTERWORK.
        (output_call): Abort if called for armv5.  Use BX if it's available.
        (output_call_mem): Use BLX if available and ensure that all armv5
        code is interworking safe.
        (output_return_instruction): Always use BX in preference to MOV if
        it's available.
        (arm_output_epilogue): Likewise.
        (arm_final_prescan_insn): Never conditionally call a subroutine
        on armv5.
        * arm.h (arm_arch4t): Declare.
        * arm.md (call_reg_armv5, call_value_reg_armv5): New.
        (call_reg_arm, call_value_reg_arm): Renamed from call_reg and
        call_value_reg respectively.
        (call_reg_thumb_v5, call_value_reg_thumb_v5): New.
        (call_reg_thumb, call_value_reg_thumb): Renamed from call_indirect
        and call_value_indirect respectively.

2004-06-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (reg_or_const_float_1_operand): Reimplement
        in terms of const_float_1_operand.

2004-06-25  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16144
        * config/mips/mips.md (divsf, divdf): Don't FAIL if the first operand
        is 1.0; force it into a register instead.

2004-06-25  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h: Restore valid comment removed by mistake with
        the recent m68k comments cleanup.

2004-06-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-gimplify.c (gimplify_for_stmt): Use gimplify_and_add.
        * gimplify.c (internal_get_tmp_var, gimplify_return_expr): Likewise.
        (gimplify_loop_expr, gimplify_init_constructor): Likewise.
        (gimplify_self_mod_expr, gimplify_cond_expr): Likewise.

        PR/16131
        * gimplify.c (voidify_wrapper_expr): Allow TARGET_EXPR.

        * gimplify.c: Remove unneeded forward declarations.

        * gimplify.c (append_to_compound_expr): Deleted.
        * tree-gimple.h (append_to_compound_expr): Deleted.

        * fold-const.c (fold_addr_expr_with_type): Look through all
        valid LHS modifiers to find a base to mark addressable.

        * tree.h (debug_find_tree): Add declaration.
        * tree-inline.c (debug_find_tree): Remove extern declaration.

2004-06-24  Eric Christopher  <echristo@redhat.com>

        * config/rs6000/rs6000.md: Apply change mistakenly
        deleted with 2004-06-22 patch.

2004-06-24  Richard Henderson  <rth@redhat.com>

        * c-decl.c (c_in_iteration_stmt, c_in_case_stmt): Remove.
        (c_break_label, c_cont_label): New.
        (start_function): Update initializations.
        (c_push_function_context): Update saves.
        (c_pop_function_context): Update restores.
        * c-parse.in: Update expected conflicts.
        (stmt_count, compstmt_count): Remove.  Remove all updates.
        (if_prefix, simple_if, do_stmt_start): Remove.
        (lineno_labeled_stmt): Remove.
        (lineno_labels): New.
        (c99_block_lineno_labeled_stmt): Use it.
        (lineno_stmt, lineno_label): Don't clear EXPR_LOCUS before calling
        annotate_with_locus.
        (select_or_iter_stmt): Replace by ...
        (condition, if_statement_1, if_statement_2, if_statement,
        start_break, start_continue, while_statement, do_statement,
        for_cond_expr, for_incr_expr, for_statement, switch_statement): New.
        (stmt): Split out ...
        (stmt_nocomp): ... this.  Use c_finish_bc_stmt, c_finish_goto_label,
        c_finish_goto_ptr.
        * c-semantics.c (add_stmt): Don't add line numbers to labels.
        * c-tree.h: Update prototypes.
        (struct language_function): Remove x_in_iteration_stmt, x_in_case_stmt;
        add x_break_label, x_cont_label, x_switch_stack.
        (c_switch_stack): Declare.
        * c-typeck.c (c_finish_goto_label, c_finish_goto_ptr): New.
        (c_finish_return): Return the statement.
        (c_switch_stack): Rename from switch_stack; export.
        (if_elt, if_stack, if_stack_space, if_stack_pointer): Remove.
        (c_begin_if_stmt, c_finish_if_cond, c_finish_then, c_begin_else,
        c_finish_else): Remove.
        (c_finish_if_stmt): Rewrite to perform the entire operation.
        (c_begin_while_stmt, c_finish_while_stmt_cond, c_finish_while_stmt,
        c_begin_for_stmt, c_finish_for_stmt_init, c_finish_for_stmt_cond,
        c_finish_for_stmt_incr, c_finish_for_stmt): Remove.
        (c_finish_loop): New.
        (c_finish_bc_stmt): New.
        (c_finish_expr_stmt): Return the statement.  Split out...
        (c_process_expr_stmt): ... this.  Don't add locus to error marks.
        * gimplify.c (gimplify_cond_expr): Accept NULL type statements.
        * tree-gimple.c (is_gimple_stmt): Likewise.
        * tree-pretty-print.c (dump_generic_node <COND_EXPR>): Likewise.
        (print_struct_decl): Delete empty compound statement.
        * objc/objc-act.c (objc_build_throw_stmt): Return the statement.
        * objc/objc-act.h: Update decl.

2004-06-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-pretty-print.c (dump_generic_node, case TYPE_DECL):
        Don't look at TYPE_METHODS unless RECORD_TYPE or UNION_TYPE.

2004-06-24  Andrew Pinski  <apinski@apple.com>

        * objc-act.c (build_objc_method_call): Save the lookup_object
        so we do not call it twice.

2004-06-24  Richard Henderson  <rth@redhat.com>

        * tree-ssa-dom.c (real_avail_expr_hash): New.
        (tree_ssa_dominator_optimize): Use it in the htab.

2004-06-24  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mx_register_decls): Add third (type) argument
        to synthesized __mf_unregister call.

2004-06-24  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/15239
        * expmed.c (expand_mult): Remove artificial restriction on the
        maximum cost of a synthetic multiplication sequence.

2004-06-24  Eric Christopher  <echristo@redhat.com>

        * combine.c (distribute_notes): Don't delete sets to
        global register variables.

2004-06-24  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (ffsdi2, clzdi2): New expanders.
        (ffs_rex64): New splitter.
        (ffsdi_1, ctzdi2, bsr_rex64): New instructions.

2004-06-24  Andrew Pinski  <apinski@apple.com>

        * config/darwin7.h (MATH_LIBRARY): Remove.
        (LIB_SPEC): Define.
        * config/darwin.h (MATH_LIBRARY): Define always to empty.
        (LIB_SPEC): Only define if not already defined.

2004-06-24  Revital Eres  <eres@il.ibm.com>

        * loop-iv.c (iv_analyze, simple_set_p): Support for identifying
        shifts of induction variable.
        (iv_shift): New function.

2004-06-24  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_body): Watch for body vanishing.

2004-06-24  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (record_dominating_conditions): New function.
        (dom_opt_finalize_block, get_eq_expr_value): Use it.

2004-06-24  Richard Sandiford  <rsandifo@redhat.com>

        * calls.c (shift_returned_value): Fix handling of non-integer
        TYPE_MODEs.

2004-06-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * c-decl.c (finish_function): Do not check for DEFAULT_MAIN_RETURN.
        * system.h (DEFAULT_MAIN_RETURN): Poison.
        * doc/tm.texi (DEFAULT_MAIN_RETURN): Remove documentation.

2004-06-24  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Edges): Fix typo.

2004-06-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_output_epilogue): Remove excess checks.

2004-06-23  Andrew Pinski  <apinski@apple.com>

        PR middle-end/15988
        * fold-const.c (fold_convert): Types which are compatible
        can be converted with only a NOP_EXPR.

2004-06-24  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (expand_call): Call INIT_CUMULATIVE_ARGS earlier, and
        pass raw n_named_args to it.
        * targhooks.c: Formatting.
        (hook_bool_CUMULATIVE_ARGS_false): Correct comment.

2004-06-23  Richard Henderson  <rth@redhat.com>

        * c-gimplify.c (gimplify_decl_stmt): Push gimplify_one_sizepos inside
        non-constant size check.  Gimplify the type too.  Tidy building
        BUILT_IN_STACK_ALLOC call.

2004-06-23  Roger Sayle  <roger@eyesopen.com>

        * c-common.c (expand_unordered_cmp): Delete.
        (expand_tree_builtin): Delete.
        * c-common.h (expand_tree_builtin): Delete function prototype.
        * c-typeck.c (build_function_call): Don't call expand_tree_builtin.

2004-06-23  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_compound_lval): Don't set ARRAY_REF or
        COMPONENT_REF variable fields unless they're non-constant.

2004-06-23  Robert Millan  <robertmh@gnu.org>

        * config.gcc: Merge kfreebsd*-gnu with linux* and add knetbsd*-gnu.
        * config/i386/linux.h: Allow overriding of LINK_EMULATION,
          DYNAMIC_LINKER and register names in sc_ structure.
        * config/kfreebsd-gnu.h: New. kfreebsd-gnu followup for linux.h.
        * config/i386/kfreebsd-gnu.h: New. Ditto for i386-kfreebsd-gnu.
        * config/knetbsd-gnu.h: New. Ditto for knetbsd-gnu.
        * config/i386/knetbsd-gnu.h: New. Ditto for i386-knetbsd-gnu.

        * config/kfreebsdgnu.h: Remove.
        * config/t-kfreebsd-gnu: Likewise.
        * config/i386/kfreebsdgnu.h: Likewise.

2004-06-23  Eric Christopher  <echristo@redhat.com>

        * fold-const.c (make_range): Cleanup type checking through function.
        Remove orig_type. Replace with checks to exp_type and arg0_type.
        Clarify comment when converting from unsigned to signed.

2004-06-23  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_use_dfa_pipeline_interface): Add R3000.
        * config/mips/mips.md: Remove R3000 scheduling description.
        * config/mips/3000.md: New file.

2004-06-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_emit_compare): Add prototype.
        (s390_emit_jump): Likewise.
        * config/s390/s390.c (s390_emit_compare): New function.
        (s390_emit_jump): Likewise.
        * config/s390/s390.md ("beq", "bne", "bgt", "bgtu", "blt", "bltu",
        "bge", "bgeu", "ble", "bleu", "bunordered", "bordered", "buneq",
        "bungt", "bunlt", "bunge", "bunle", "bltgt"): Use s390_emit_compare
        and s390_emit_jump.
        ("cjump"): Remove, replace by ...
        ("*cjump_64", "*cjump_31"): ... these insns.  Improve length default.
        ("icjump", "*icjump_64", "*icjump_31"): Likewise.
        ("trap"): Fix type attribute.
        ("conditional_trap"): Use s390_emit_compare.
        ("doloop_si"): Remove, replace by ...
        ("doloop_si64", "doloop_si31"): ... these new insn_and_split.
        Merge existing splitter into insn_and_split.  Improve length default.
        ("doloop_di"): Merge with existing splitter into insn_and_split.
        ("doloop"): Adapt.
        ("jump"): Convert to expander.  Use s390_emit_jump.
        ("*jump_64", "*jump_31"): New insns.  Improve length default.

2004-06-23  Wu Yongwei  <adah@sh163.net>

        * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
        (__gthr_i486_lock_cmp_xchg): New inline assembly function.
        (__GTHR_W32_InterlockedCompareExchange): New macro to choose a
        suitable function for interlocked compare-and-exchange.
        (__gthread_mutex_trylock): Use
        __GTHR_W32_InterlockedCompareExchange.
        (__gthread_mutex_init_function, __gthread_mutex_lock,
        __gthread_mutex_trylock, __gthread_mutex_unlock): Adjust the
        initial counter value to work correctly under Windows 95.
        * config/i386/gthr-win32.c: Adjust include order.
        Define __GTHREAD_I486_INLINE_LOCK_PRIMITIVES before including
        gthr-win32.h.
        (__gthr_win32_mutex_init_function, __gthr_win32_mutex_lock,
        __gthr_win32_mutex_trylock, __gthr_win32_mutex_unlock): Adjust
        to match inline versions in gthr-win32.h.

2004-06-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_use_dfa_pipeline_interface): Delete.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Redefine a hook_int_void_1.
        (insvdi_rshift_rlwimi_p): New function.
        * config/rs6000/rs6000.md (insvdi_internal2/3): New patterns.
        (extendsfdf2): Convert to define_insn_and_split.
        * config/rs6000/rs6000-protos.h (insvdi_rshift_rlwimi_p): Prototype.

2004-06-23  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (composite_type, <case ARRAY_TYPE>): Abort if we have
        type qualifiers at all.
        If both of the type domains are null and the new element type is
        the same as one of the, return the one which the element type.
        matches.
        Do not call qualify_type on the new type.

2004-06-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (DEFAULT_MAIN_RETURN): Remove.

2004-06-23  Roger Sayle  <roger@eyesopen.com>

        * convert.c (strip_float_extension): Skip both NOP_EXPR and
        CONVERT_EXPR floating point extensions.

2004-06-23  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-vn.o): New.
        (tree-ssa-pre.o): Don't depend on RTL_H.
        * tree-dfa.c (find_referenced_vars): Don't call init_tree_ssa.
        * tree-flow.h (struct var_ann_d): Remove field expr_set.
        (add_to_value, expressions_equal_p, get_value_handle, vn_compute,
        vn_lookup_or_add, vn_add, vn_lookup, vn_init, vn_delete): Declare.
        * tree-optimize.c (execute_init_datastructures): New local function.
        (pass_init_datastructures): New local variable.
        (init_tree_optimization_passes): Sequence pass_init_datastructures.
        * tree-pretty-print.c (MASK_POINTER): Remove.
        (dump_generic_node): Handle VALUE_HANDLE.
        * tree-ssa-pre.c: Move all value numbering routines to tree-vn.c.
        Update callers to use new function names.
        Use VALUE_HANDLE_ID and VALUE_HANDLE_EXPR_SET instead of
        variable annotations.
        * tree-ssa.c (init_tree_ssa): Call vn_init.
        (delete_tree_ssa): Call vn_delete.
        * tree-vn.c: New file.
        * tree.c (tree_size): Handle VALUE_HANDLE.
        (tree_node_structure): Likewise.
        (iterative_hash_expr): Likewise.
        * tree.def (VALUE_HANDLE): New code.
        * tree.h (struct tree_value_handle): New.
        (VALUE_HANDLE_ID): Define.
        (VALUE_HANDLE_EXPR_SET): Define.
        (enum tree_node_structure_enum): Add TS_VALUE_HANDLE.
        (union tree_node): Add struct tree_value_handle.

2004-06-23  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (composite_type):
        <case POINTER_TYPE>: Build a qualified type of
        the new type.
        <case ARRAY_TYPE>: Likewise.
        <case FUNCTION_TYPE>: Likewise.

2004-06-23  Pat Haugen  <pthaugen@us.ibm.com>

        PR optimization/15633
        * value-prof.c (divmod_fixed_value_transform): Compute probability
        of taking optimal path and pass along to gen_ routine.
        (mod_pow2_value_transform): Same.
        (mod_subtract_transform): Same.
        (gen_divmod_fixed_value): Add new probability parameter.
        Add probability to newly created jump.
        (gen_mod_pow2): Same.
        (gen_mod_subtract): Same.

2004-06-23  Richard Earnshaw  <rearnsha@arm.com>

        * PR target/15948
        * arm.md (bicsi3_cbranch): Add alternative to handle tying operands
        one and two.

2004-06-23  Richard Earnshaw  <rearnsha@arm.com>

        PR target/15927
        * arm.h (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Don't need a secondary
        reload if CLASS is BASE_REGS.

2004-06-23  Richard Sandiford  <rsandifo@redhat.com>

        * gengtype-yacc.y (option): Avoid use of non-constant struct
        initializer.

2004-06-23  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/extend.texi (Function Attributes): Alphabetize.

2004-06-23  Richard Henderson  <rth@redhat.com>

        * c-gimplify.c (gimplify_decl_stmt): Update gimplify_type_sizes call.
        Use gimplify_and_add.
        * c-typeck.c (c_finish_if_stmt): Use NULL instead of empty stmt.
        * gimplify.c (build_and_jump, gimplify_exit_expr,
        gimplify_init_constructor, gimplify_save_expr, gimple_push_cleanup,
        gimplify_stmt, gimplify_expr): Likewise.
        (shortcut_cond_expr): Handle NULL arms of COND_EXPR.
        (gimplify_statement_list): Remove NULL entries.
        (gimplify_to_stmt_list): Handle NULL results.
        (gimplify_type_sizes): Add list_p argument.
        (gimplify_one_sizepos): Don't use internal pre/post queue.
        * tree-gimple.h (gimplify_type_sizes): Update.

2004-06-22  Eric Christopher  <echristo@redhat.com>

        * config/rs6000/rs6000.md (*insvsi_internal5/6): New patterns.

2004-06-22  Pat Haugen  <pthaugen@us.ibm.com>

        * cfghooks.c (make_forwarder_block): Decrement count on fallthru edge
        when redirecting back edges.

        * cfghooks.c (split_block): Call make_single_succ_edge so that edge
        count/probability are set correctly.

2004-06-22  Richard Henderson  <rth@redhat.com>

        * c-typeck.c (emit_side_effect_warnings): Ignore error marks.
        (c_finish_stmt_expr): Likewise.

        * config/i386/i386.c (TARGET_STRUCT_VALUE_RTX): New.
        (ix86_return_in_memory): Move SSE vector return warning ...
        (ix86_struct_value_rtx): ... here.  New.

2004-06-22  Richard Henderson  <rth@redhat.com>

        * tree.def (VTABLE_REF): Remove.
        (OBJ_TYPE_REF): New.
        (TRY_CATCH_EXPR, TRY_FINALLY_EXPR): Set type 's'.
        * expr.c (expand_expr_real_1): Replace VTABLE_REF with OBJ_TYPE_REF.
        * fold-const.c (non_lvalue): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        (gimplify_call_expr): Use is_gimple_call_addr.
        * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): New.
        * langhooks.h (fold_obj_type_ref): New.
        * tree-gimple.c (is_gimple_call_addr): New.
        * tree-gimple.h (is_gimple_call_addr): Declare.
        * tree-inline.c (inlinable_function_p): Fix merge error.
        (estimate_num_insns_1): Replace VTABLE_REF with OBJ_TYPE_REF.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (print_call_name): Handle OBJ_TYPE_REF.
        * tree-ssa-ccp.c (fold_stmt): Fold OBJ_TYPE_REF.
        * tree-ssa-operands.c (get_expr_operands): Handle OBJ_TYPE_REF.
        * tree.h (OBJ_TYPE_REF_EXPR): New.
        (OBJ_TYPE_REF_OBJECT, OBJ_TYPE_REF_TOKEN): New.
        * doc/c-tree.texi (VTABLE_REF): Remove.
        * objc/objc-act.c (build_objc_method_call): Build an OBJ_TYPE_REF.

2004-06-22  Richard Henderson  <rth@redhat.com>

        PR middle-end/16026
        * function.c (assign_parms): Don't abort for overaligned PARALLEL.

2004-06-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * Makefile.in (distclean): Don't try to remove empty directories.

2004-06-22  Richard Sandiford  <rsandifo@redhat.com>

        PR target/15869
        * config/mips/mips.c (mips_avoid_hazards): Call split_all_insns_noflow.

2004-06-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300.md (movdi, movdf): Use high/low for movu
        operands.

2004-06-22  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (legitimate_offset_address_p): Make
        global, rename rs6000_legitimate_offset_address_p.
        (rs6000_legitimate_address_p): Adjust calls to it.
        (lmw_operation): Ditto.
        (stmw_operation): Ditto.
        * config/rs6000/rs6000-protos.h: Declare it.
        * config/rs6000/rs6000.md (*movdf_hardfloat32): Use it
        instead of offsettable_memref_p.

2004-06-22  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
        [reg+reg] mode for TFmode memory accesses.
        (rs6000_eliminate_indexed_memrefs): New.
        (rs6000_emit_move): Call preceding for TImode and TFmode.

2004-06-22  Paolo Bonzini  <bonzini@gnu.org>

        * tree-cfg.c (pass_warn_function_return): It needs
        CFG, not SSA.

2004-06-22  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (Machine Dependent Options): Alphabetize.
        (Submodel Options): Likewise.

2004-06-21  Andrew Pinski  <apinski@apple.com>

        Radar #: 3701874
        * c-decl.c (push_file_scope): Return early if we already
        have a file scope.

2004-06-21  Geoffrey Keating  <geoffk@apple.com>

        * c-opts.c (c_common_handle_option): Handle -fpch-preprocess.
        * c-common.h (flag_pch_preprocess): Declare.
        (c_common_pch_pragma): Likewise.
        * c-common.c (flag_pch_preprocess): New.
        * c-pch.c (c_common_read_pch): Support -fpreprocess-only.
        (c_common_pch_pragma): New.
        * c-ppoutput.c (cb_read_pch): New.
        (init_pp_output): Support -fpch-preprocess.
        * c-pragma.c (init_pragma): Support #pragma GNUC pch_preprocess.
        * c.opt (fpch-preprocess): New.
        * gcc.c (cpp_options): When save-temps, pass -fpch-preprocess.
        * doc/cppopts.texi: Document -fpch-preprocess.
        * doc/invoke.texi (Precompiled Headers): Mention that
        -fpreprocessed is safe for PCH.  Mention that if an option is
        listed as safe that doesn't mean it does what you expect.

2004-06-22  Ben Elliston  <bje@au.ibm.com>

        * tree-ssa.c (ssa_redirect_edge): Correct leading comment.

2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * Makefile.in (gimplify.o): Add cgraph.h.
        * alias.c (adjust_offset_for_component_ref): Use
        component_ref_field_offset.
        * c-decl.c (build_array_declarator): Add news args for ARRAY_REF.
        * c-gimplify.c (gimplify_expr_stmt): Use alloc_stmt_list.
        (gimplify_decl_stmt): Call gimplify_type_sizes for type.
        For decl, call gimplify_one_sizepos and use statement list.
        (gimplify_compound_literal_expr): New arg PRE_P.
        Add statement to PRE_P list and return DECL.
        (c_gimplify_expr, case COMPOUND_LITERAL_EXPR): Add arg to
        gimplify_compound_literal_expr.
        * c-tree.h (getdecls): Deleted.
        * c-typeck.c (build_component_ref): Add operand for COMPONENT_REF.
        (build_array_ref): Add two operands for ARRAY_REF.
        (build_unary_op): Set TREE_INVARIANT and TREE_CONSTANT for
        COMPOUND_LITERAL_EXPR.
        * coverage.c (tree_coverage_counter_ref): Add new operands
        for ARRAY_REF.
        * emit-rtl.c (component_ref_for_mem_expr): Add new operand
        for COMPONENT_REF.
        (set_mem_attributes_minus_bitpos): Use array_ref_low_bound
        and array_ref_element_size.
        (widen_memory_access):Use component_ref_field_offset.
        * explow.c (update_nonlocal_goto_save_area): Add two operands
        for ARRAY_REF.
        * expr.c (array_ref_element_size, array_ref_low_bound): New functions.
        (component_ref_field_offset): Likewise.
        (get_inner_reference): Use them.
        (expand_expr_real_1, case ARRAY_REF): Use array_ref_low_bound.
        * fold-const.c (fold, case EQ_EXPR): Properly handle DECL_SIZE.
        (fold_read_from_constant_string): Use array_ref_low_bound.
        Verify that result is a character type.
        (build_fold_indirect_ref): Add two operands for ARRAY_REF.
        * function.c (expand_function_start): Likewise.
        * gimple-low.c (expand_var_p): Delete duplicated line.
        * gimplify.c: Add static decls for local functions.
        (cgraph.h): Now included.
        (create_tmp_var): Remove check for ARRAY_TYPE.
        (copy_if_shared_r): Look at bounds and sizes of types.
        (build_and_jump): Return alloc_stmt_list instead of build_empty_stmt.
        (gimplify_exit_expr, shortcut_cond_expr): Likewise.
        (gimplify_save_expr, gimple_push_cleanup): Likewise.
        (gimplify_init_constructor): Likewise.
        WANT_VALUE now bool.
        If empty list with no result wanted, return GS_UNHANDLED.
        Add additional operands for ARRAY_REF and COMPONENT_REF.
        (canonicalize_component_ref): Convert to &array[L].
        (gimplify_array_ref_to_plus): Use array_ref_element_size and
        array_ref_lower_bound.
        (build_addr_expr_with_type, build_addr_expr): New functions.
        (gimplify_compound_lval): WANT_LVALUE now bool.
        Major rework to allow handle_component_p and initialize and
        gimplify new operands for ARRAY_REF, ARRAY_RANGE_REF, and
        COMPONENT_REF.
        (gimplify_array_ref): Deleted.
        (gimplify_self_mod_expr): WANT_VALUE now bool.
        (gimplify_modify_expr): Gimplify to_p and from_p later.
        Factor out code into gimplify_modify_expr_rhs and call twice.
        Move variable-size code earlier and handle PLACEHOLDER_EXPR.
        (gimplify_modify_expr_rhs, gimplify_variable_sized_compare): New fns.
        (gimplify_addr_expr, case VIEW_CONVERT_EXPR): New case.
        (gimplify_expr, case ARRAY_REF): Delete special case.
        Instead handle like COMPONENT_REF; also do ARRAY_RANGE_REF,
        IMAGPART, and REALPART the same way.
        (gimplify_expr, case VIEW_CONVERT_EXPR): New case.
        (gimplify_expr): Call gimplify_variable_sized_compare if applicable.
        Call alloc_stmt_list instead of build_empty_stmt.
        Deal with _REF that's volatile.
        (gimplify_type_sizes, gimplify_one_sizepos): New functions.
        (unshare_body, unvisit_body): New functions.
        (gimplify_body): Call them.
        * stmt.c (expand_stack_alloc): Don't expand TYPE_MAX_VALUE.
        * stor-layout.c (get_pending_sizes): Don't change SAVE_EXPR_CONTEXT.
        * tree-alias-common.c (get_alias_var): Also skip ARRAY_RANGE_REF.
        * tree-cfg.c (tree_node_can_be_shared): Treat ARRAY_RANGE_REF
        like ARRAY_REF.
        (verify_expr, case ADDR_EXPR): Use handled_component_p.
        * tree-dfa.c (get_virtual_var): Likewise.
        * tree-dump.c (dequeue_and_dump, case COMPONENT_REF, ARRAY_REF):
        New cases to dump new operands; likewise for ARRAY_RANGE_REF.
        * tree-eh.c (tree_could_trap, case ARRAY_RANGE_REF): Like ARRAY_REF.
        * tree-gimple.c (is_gimple_addr_expr_arg): Add ARRAY_RANGE_REF
        and INDIRECT_REF.
        (get_base_address): Use handled_component_p.
        * tree-gimple.h (gimplify_type_sizes, gimplify_one_sizepos): New.
        * tree-inline.c (walk_tree): Walk more things for types and decls.
        * tree-mudflap.c (mf_build_check_statement_for): Add new operands
        for ARRAY_REF and COMPONENT_REF.
        (mx_xform_derefs_1): Clean up usage of decl sizes.
        * tree-nested.c (build_addr): Use handled_component_p.
        (walk_stmts, case CATCH_EXPR): Add missing "break".
        (get_static_chain, get_frame_field): Add new operand for COMPONENT_REF.
        (finalize_nesting_tree_1): Likewise.
        (convert_nonlocal_reference, case ARRAY_RANGE_REF): Like ARRAY_REF
        and process additional operands.
        (convert_local_reference): Likewise.
        * tree-outof-ssa.c (discover_nonconstant_array_refs_r): Treat
        ARRAY_RANGE_REF similarly to ARRAY_REF.
        * tree-pretty-print.c (dump_generic_node, case QUAL_UNION_TYPE): Handle
        like RECORD_TYPE.
        (dump_generic_node, case COMPONENT_REF): Print offset operand.
        (dump_generic_node, case ARRAY_RANGE_REF): Treat like ARRAY_REF
        and print lower bound and element size for both.
        (op_prio, case ARRAY_RANGE_REF): Like ARRAY_REF.
        * tree-sra.c (csc_build_component_ref): Add new operand.
        (scalarize_call_expr): Use get_base_address.
        * tree-ssa-ccp.c (widen_bitfield): Clean up size handling.
        (maybe_fold_offset_to_array_ref): Rework to handle input having an
        ARRAY_REF, refine handling of lower bound, and add new operands
        for ARRAY_REF.
        (maybe_fold_to_component_ref): Add new operand for COMPONENT_REF.
        (maybe_fold_stmt_indirect): Only fold *&B to B if types match.
        (maybe_fold_stmt_addition): Only handle constant lower bound.
        * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
        Treat ARRAY_REF and ARRAY_RANGE_REF the same; look at extra operands.
        Look at new offset operand of COMPONENT_REF.
        * tree-ssa.c (set_is_used): Use handled_component_p.
        * tree.c (substitute_in_expr, case COMPONENT_REF): Add new operand.
        (stabilize_reference, case COMPONENT_REF): Likewise.
        (stabilize_reference, case ARRAY_RANGE_REF, ARRAY_REF): Similarly.
        (recompute_tree_invariant_for_addr_expr): Completely rework to
        be more precise.  Also set TREE_SIDE_EFFECTS.
        (build1_stat, case ARRAY_EXPR): Don't handle TREE_SIDE_EFFECTS here.
        (build2_stat, build3_stat, build4_stat): For references,
        propagate TREE_THIS_VOLATILE.
        (get_unwidened): Add new operand for COMPONENT_REF.
        (get_narrower): Likewise; use host_integerp for DECL_SIZE.
        * tree.def (COMPONENT_REF): Add new operand.
        (ARRAY_REF, ARRAY_RANGE_REF): Add two new operands.
        * tree.h (array_ref_element_size, array_ref_low_bound): New decls.
        (component_ref_field_offset): Likewise.
        * config/alpha/alpha.c (alpha_va_start): Add new op for COMPONENT_REF.
        (alpha_gimplify_va_arg): Likewise.
        * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
        * config/i860/i860.c (i860_va_start, i860_va_arg): Likewise.
        * config/iq2000/iq2000.c (iq2000_va_arg): Likewise.
        * config/mips/mips.c (mips_va_start, mips_va_arg): Likewise.
        * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
        Likewise.
        * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
        * config/sh/sh.c (sh_va_start, sh_va_arg): Likewise.
        * config/stormy16/stormy16.c (xstormy1_expand_builin_va_start):
        Likewise.
        (xstormy16_expand_builtin_va_arg): Likewise.
        * config/xtensa/xtensa.c (xtensa_va_start, xtensa_va_arg): Likewise.
        * objc/objc-act.c (generate_static_references): Likewise.
        (generate_strings, build_method_prototype_list_template): Likewise.
        (generate_protocol_list): Likewise.

2004-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR rtl-optimization/14782
        * pa.c (emit_move_sequence): Use SFmode for 4-byte modes when doing
        the address checks for secondary reloads for loads from and stores
        to floating-point registers.
        * pa.h (EXTRA_CONSTRAINT, case T): Use SFmode for 4-byte modes
        in the address check.  Move work around for ELF32 targets to
        GO_IF_LEGITIMATE_ADDRESS.
        (GO_IF_LEGITIMATE_ADDRESS): Require constant offsets to be
        correctly aligned for DImode loads and stores.  Don't allow long
        SFmode displacements on ELF32.

2004-06-21  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/16114
        * cse.c (merge_equiv_classes): Also rehash in response to
        delete_reg_equiv changes.
        (rehash_using_reg): Don't exclude REGs from rehashing.

2004-06-21  Richard Henderson  <rth@redhat.com>

        * c-common.def (RETURN_STMT): Remove.
        * c-common.h (RETURN_STMT_EXPR): Remove.
        (c_expand_return, build_return_stmt): Remove.
        (c_common_stmt_codes): Remove RETURN_STMT.
        * c-dump.c (dump_next_stmt): Remove.
        (c_dump_tree): Remove RETURN_STMT.
        * c-decl.c (finish_function): Use c_finish_return.
        * c-parse.in (stmt): Likewise.
        * c-gimplify.c (gimplify_return_stmt): Remove.
        (c_gimplify_expr): Remove RETURN_STMT.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-semantics.c (build_return_stmt): Remove.
        * c-tree.h (c_finish_return): Declare.
        * c-typeck.c (c_finish_return): Rename from c_expand_return.
        Return void.  Build RETURN_EXPR directly.
        * tree-dump.h (dump_next_stmt): Remove.

2004-06-21  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (start_function): Don't call make_decl_rtl.  Don't
        look at TREE_ADDRESSABLE of symbol name.

2004-06-21  Kelley Cook  <kcook@gcc.gnu.org>

        PR target/15551
        * config/i386/i386.md: Change UNSPEC_STACK_PROBE to UNSPECV_STACK_PROBE.
        (allocate_stack_worker): Make unspec_volatile.
        (allocate_stack_worker_rex64):  Likewise.
        (allocate_stack_worker_postreload):  Likewise.
        (allocate_stack_worker_rex64_postreload):  Likewise.

2004-06-21  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR optimization/15982
        * tree-ssa-pre.c: Update a few comments and todos to
        reflect constants change.
        (get_value_handle): Constants now value number to themselves.
        (lookup): Constants lookup to themselves.
        (add_to_value): Adjust to always be on.
        (set_contains_value): Adjust for constants change.
        (find_leader): Ditto.
        (phi_translate): 'r' nodes are never ANTIC right now.
        (valid_in_set): Ditto.
        (get_expr_set): New function.
        (find_or_generate_expression): New function, broken out from
        insert_aux.
        (create_expression_by_pieces): Ditto, plus additional
        machinery to handle complex values.
        (compute_avail): Remove dead RETURN_EXPR handling.

2004-06-21  Steven Bosscher  <stevenb@suse.de>

        * config/i386/i386.c: Include insn-codes.h
        * config/i386/i386.h (FLAGS_REG, FPSR_REG, DIRFLAG_REG): Don't
        define here.
        * config/i386/i386.md (BP_REG, SP_REG, FLAGS_REG, FPSR_REG,
        DIRFLAG_REG): New define_constants.  Use them everywhere.

2004-06-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-linux (MULTILIB_OPTIONS): Remove.

2004-06-21  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4): Conditionally define.
        (SUPPORT_SH4_SINGLE): Likewise.
        (TARGET_SWITCHES): Break out switches for cpu subtargets:
        (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E): Define.
        (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E): Likewise.
        (TARGET_SWITCH_SH4_SINGLE_ONLY, TARGET_SWITCH_SH4_SINGLE): Likewise.
        (TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4): Likewise.
        (TARGET_SWITCH_SH5_64MEDIA, TARGET_SWITCH_SH5_64MEDIA_NOFPU): Likewise.
        (TARGET_SWITCHES_SH5_32MEDIA): Likewise.
        (TARGET_SWITCHES_SH5_32MEDIA_NOFPU): Likewise.
        (SELECT_SH5_64, SELECT_SH5_64_NOFPU): Rename to:
        (SELECT_SH5_64MEDIA, SELECT_SH5_64MEDIA_NOFPU)
        (SELECT_SH5_32, SELECT_SH5_32_NOFPU): Rename to:
        (SELECT_SH5_32MEDIA, SELECT_SH5_32MEDIA_NOFPU).
        (SH_MULTILIB_CPU_DEFAULT, MULTILIB_DEFAULTS): Define.
        (ASM_ISA_SPEC_DEFAULT, ASM_ISA_DEFAULT_SPEC): Likewise.
        * sh64.h (ASM_SPEC, LINK_DEFAULT_CPU_EMUL): Don't redefine.
        (TARGET_DEFAULT): Likewise.
        * config/sh/t-elf: Amend comment.
        * config/sh/t-1e, config/sh/t-mlib-sh1: New files.
        * config/sh/t-mlib-sh2, config/sh/t-mlib-sh2e: Likewise.
        * config/sh/t-mlib-sh3, config/sh/t-mlib-sh3e: Likewise.
        * config/sh/t-mlib-sh4, config/sh/t-mlib-sh4-nofpu: Likewise.
        * config/sh/t-mlib-sh4-single: Likewise.
        * config/sh/t-mlib-sh4-single-only: Likewise.
        * config/sh/t-mlib-sh5-32media: Likewise.
        * config/sh/t-mlib-sh5-32media-nofpu: Likewise.
        * config/sh/t-mlib-sh5-64media: Likewise.
        * config/sh/t-mlib-sh5-64media-nofpu: Likewise.
        * config/sh/t-mlib-sh5-compact: Likewise.
        * config/sh/t-mlib-sh5-compact-nofpu: Likewise.
        * config/sh/t-sh: (MULTILIB_ENDIAN): Add mb.
        (MULTILIB_CPUS): Define.
        (MULTILIB_OPTIONS): Use MULTILIB_CPUS.
        (MULTILIB_MATCHES): Use some shell code to calculate it.
        (MULTILIB_EXCEPTIONS): Change to ml/m1.
        * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Use ASM_ISA_DEFAULT_SPEC.
        * config/sh/netbsd-elf.h: Update code which sets TARGET_VERSION_CPU.
        (LINK_DEFAULT_CPU_EMUL): Don't redefine.
        (NO_PROFILE_COUNTERS): Define to 1.
        * config/sh/t-netbsd (MULTILIB_OPTIONS): Don't append to.
        (MULTILIB_DIRNAMES, MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Don't zap.
        * config/sh/t-netbsd-sh5-64 (MULTILIB_OPTIONS): Don't redefine.
        (MULTILIB_MATCHES): Don't zap.
        (MULTILIB_DIRNAMES): Use MULTILIB_RAW_DIRNAMES.
        * config/sh/t-sh64 (MULTILIB_OPTIONS): Don't redefine.
        (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Don't zap.
        (MULTILIB_RAW_DIRNAMES): Define.
        (MULTILIB_DIRNAMES): Use it.
        * config.gcc: Also set cpu_type / need_64bit_hwint for sh[be]*-*-*.
        (sh*linux configurations): Merge into:
        (sh*elf / sh*kaos configurations).  Support --with-endian, --with-cpu,
        --with-multilib-list options.  Support sh-superh-elf configuration.
        (sh*-netbsd*): Use SELECT_SH* macros.
        (supported_defaults): sh[123456ble]-*-* | sh-*-* support "cpu".
        Merge sh*-*-netbsd* configurations into sh-elf configurations.
        * config/sh/t-netbsd-sh5, config/sh/t-be, config/sh/t-le: Delete.
        * config/sh/t-monolib: Likewise.

2004-06-21  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Soft-float need
        not imply FPA.

2004-06-21  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (operand_equal_p): Pass flags in recursive calls for
        binary and relational operations.  Add support for TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR.
        * tree.c (commutative_tree_code): Also list UNORDERED_EXPR,
        ORDERED_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR
        and TRUTH_XOR_EXPR.

2004-06-21  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (may_trap_p): Mark LTGT as trapping.

2004-06-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * tree-alias-common.h (struct tree_alias_ops): Change ip and
        ip_partial to unsigned int.

2004-06-21  Richard Henderson  <rth@redhat.com>

        * c-common.c (verify_sequence_points): Export.
        (c_expand_expr_stmt): Move to c-typeck.c.
        * c-common.h (c_expand_expr_stmt): Remove.
        (verify_sequence_points): Declare.
        * c-mudflap.c (mflang_flush_calls): Use c_finish_expr_stmt.
        * c-parse.in (for_init_stmt, stmt): Likewise.
        * c-tree.h (c_finish_expr_stmt): Declare.
        (c_tree_expr_nonnegative_p): Remove.
        * c-typeck.c (c_tree_expr_nonnegative_p): Remove.
        (build_conditional_expr, build_binary_op): Use tree_expr_nonnegative_p.
        (emit_side_effect_warnings): New.
        (c_finish_expr_stmt): Rename from c_expand_expr_stmt.  Use it.
        (c_finish_stmt_expr): Work without EXPR_STMT.  Handle eh regions.
        Use emit_side_effect_warnings.
        (push_cleanup): Copy STATEMENT_LIST_STMT_EXPR.
        * fold-const.c (tree_expr_nonnegative_p): Handle TARGET_EXPR.
        * gimplify.c (gimplify_modify_expr): Don't discard TARGET_EXPR
        with void initializer.
        (gimplify_target_expr): Handle void BIND_EXPR initializer.
        * tree-inline.c (estimate_num_insns_1): Fix type lookup for
        INIT_EXPR and MODIFY_EXPR.
        * objc/objc-act.c (build_module_descriptor): Use add_stmt
        instead of c_expand_expr_stmt.

2004-06-21  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c (fold_cond_expr_with_comparison):
        New function, extracted from fold.
        (fold): Extract code to fold A op B ? A : C, use
        it to fold A op B ? C : A.  Really optimize
        A & N ? N : 0 where N is a power of two.  Avoid
        relying on canonicalization and recursion for
        foldings of COND_EXPR to happen.

2004-06-20  David Ayers  <d.ayers@inode.at>

        * objc/objc-act.h (get_object_reference): Rename to
        get_protocol_reference.
        (super_type): Rename to objc_super_type.
        (selector_type): Rename to objc_selector_type.
        (id_type): Rename to objc_id_type.
        (instance_type): Rename to objc_instance_type.
        (protocol_type): Rename to objc_protocol_type.
        (IS_ID): Update reference to id_type.
        * objc/objc-act.c (get_object_reference): Rename to
        get_protocol_reference; add documentation; update references to
        id_type.
        (lookup_method_in_protocol_list): Rename class_meth to
        is_class; add documentation.
        (finish_message_expr): Rename is_class to class_tree.
        (synth_module_prologue, objc_is_object_ptr, objc_build_exc_ptr,
        next_sjlj_build_try_catch_finally, objc_begin_catch_clause,
        build_next_objc_exception_stuff, get_arg_type_list,
        build_objc_method_call): Update references to id_type.
        (synth_module_prologue, build_objc_symtab_template,
        build_selector_reference_decl, build_selector,
        build_selector_translation_table, build_typed_selector_reference,
        get_arg_type_list, synth_self_and_ucmd_args, get_arg_type_list,
        synth_self_and_ucmd_args): Update references to selector_type.
        (build_private_template, build_ivar_reference): Update references
        to instance_type.
        (synth_module_prologue, build_protocol_reference,
        build_protocol_expr, start_protocol): Update references to
        protocol_type.
        (synth_module_prologue, get_arg_type_list, build_objc_method_call):
        Update references to super_type.
        * c-parse.in: (typespec_nonreserved_nonattr): Update
        references to get_object_reference.
        * objc/objc-tree.def: Add C mode identifier sequence.

2004-06-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-invariant.c: New file.
        * Makefile.in (loop-invariant.o): New.
        * cfgloop.h (global_cost_for_size, init_set_costs,
        move_loop_invariants): Declare.
        * cfgloopanal.c (seq_cost, init_set_costs, global_cost_for_size): New
        functions.
        (avail_regs, res_regs, small_cost, pres_cost, spill_cost): New
        variables.
        * common.opt (floop-optimize2, fmove-loop-invariants): New options.
        * loop-init.c (loop_optimizer_init): Call init_set_costs.
        * passes.c (rest_of_handle_loop2): Call move_loop_invariants.
        (rest_of_compilation): Check flag_loop_optimize2.
        * toplev.c (process_options): Handle flag_loop_optimize2.
        * doc/invoke.texi (-floop-optimize2, -fmove-loop-invariants): Document.
        * doc/passes.texi (loop-invariant.c): Document.

2004-06-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-pre.c (compute_antic): Keep BB_VISITED flag zeroed.

2004-06-20  Richard Henderson  <rth@redhat.com>

        * stmt.c (warn_if_unused_value): Add locus argument.
        * tree.h (warn_if_unused_value): Update decl.
        * c-typeck.c (internal_build_compound_expr): Update call.
        * c-gimplify.c (gimplify_expr_stmt): Likewise.

2004-06-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/16089
        * builtins.c (entry_of_function): Move to ...
        * cfgrtl.c (entry_of_function): Here and make non-static.
        * integrate.c (emit_initial_value_sets): Use entry_of_function.
        * rtl.h (entry_of_function): Prototype.

2004-06-20  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (pentium4_cost): Increase "lea" cost from 1 to 3.
        (ix86_rtx_costs) <ASHIFT, PLUS>: Consider ix86_cost->lea even when
        TARGET_DECOMPOSE_LEA.

2004-06-20  Richard Henderson  <rth@redhat.com>

        * c-common.h (add_decl_stmt): Move to cp-tree.h.
        * c-decl.c (finish_decl): Don't use add_decl_stmt.
        * c-parse.in: Likewise.
        * c-gimplify.c (gimplify_expr_stmt): Don't build CLEANUP_POINT_EXPR.
        (gimplify_c_loop, gimplify_return_stmt, gimplify_decl_stmt): Likewise.
        * c-semantics.c (add_decl_stmt): Move to cp/semantics.c.

2004-06-20  Richard Henderson  <rth@redhat.com>

        * c-common.def (IF_STMT, CLEANUP_STMT): Move to cp-tree.def.
        * c-common.h (IF_COND, THEN_CLAUSE, ELSE_CLAUSE, CLEANUP_BODY,
        CLEANUP_EXPR, CLEANUP_DECL): Move to cp-tree.h.
        (c_common_stmt_codes): Remove IF_STMT, CLEANUP_STMT.
        * c-dump.c (c_dump_tree): Move IF_STMT, CLEANUP_STMT to cp_dump_tree.
        * c-pretty-print.c (pp_c_statement): Similarly.
        * c-gimplify.c (gimplify_cleanup_stmt, gimplify_cleanup_stmts,
        gimplify_if_stmt): Move to cp-gimplify.c.
        (c_genericize, c_gimplify_expr): Don't call them.
        * c-semantics.c (push_cleanup): Move to cp/semantics.c.
        * c-typeck.c (push_cleanup): New.
        (c_begin_if_stmt, c_finish_if_cond, c_finish_then, c_finish_else,
        c_finish_if_stmt): Use COND_EXPR.
        * tree.h (CLEANUP_EH_ONLY): Update documentation.

2004-06-20  Zack Weinberg  <zack@codesourcery.com>

        * c-common.h (has_c_linkage): New interface.
        * c-cppbuiltin.c: Include target.h.
        (c_cpp_builtins): Define __PRAGMA_REDEFINE_EXTNAME and
        __PRAGMA_EXTERN_PREFIX when appropriate.
        * c-pragma.c: Include target.h.
        Document clarified semantics of symbol-renaming #pragmas.
        (handle_pragma_redefine_extname, handle_pragma_extern_prefix)
        (maybe_apply_renaming_pragma): Rewrite according to clarified
        semantics.  Always recognize, but do not necessarily execute.
        (init_pragma): Unconditionally register symbol-renaming pragmas.
        * system.h: Poison HANDLE_PRAGMA_REDEFINE_EXTNAME
        and HANDLE_PRAGMA_EXTERN_PREFIX.
        * target.h (struct gcc_target): Add handle_pragma_redefine_extname
        and handle_pragma_extern_prefix flags.
        * target-def.h: Add defaults for TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME
        and TARGET_HANDLE_PRAGMA_EXTERN_PREFIX.
        * Makefile.in (c-pragma.o, c-cppbuiltin.o): Update dependencies.
        * config/sol2.h: Define TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME,
        not HANDLE_PRAGMA_REDEFINE_EXTNAME.
        (TARGET_OS_CPP_BUILTINS): No need to define __PRAGMA_REDEFINE_EXTNAME.
        (TRANSFER_FROM_TRAMPOLINE): Prototype mprotect.
        * config/alpha/osf.h: Define TARGET_HANDLE_PRAGMA_EXTERN_PREFIX,
        not HANDLE_PRAGMA_EXTERN_PREFIX.
        (TARGET_OS_CPP_BUILTINS): No need to define __PRAGMA_EXTERN_PREFIX.
        * doc/extend.texi (Solaris Pragmas, Tru64 Pragmas): Combine
        into one section "Symbol-Renaming Pragmas"; clarify; document
        adjusted semantics.

        * builtins.c (expand_builtin): Do not issue error for a builtin
        with no special case code and no DECL_ASSEMBLER_NAME; just do the
        library call.
        * c-decl.c (builtin_function): Don't call make_decl_rtl.
        * c-objc-common.c (has_c_linkage): Stub implementation.
        * cgraphunit.c (cgraph_expand_function)
        (cgraph_remove_unreachable_nodes): Don't clear DECL_ARGUMENTS.

2004-06-19  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_unordered_cmp): Take an EXP argument
        instead of both an ARGLIST and a result TYPE.  Handle these C99
        comparison functions as "polymorphic" builtins.  Also handle
        lowering of BUILT_IN_ISUNORDERED to an UNORDERED_EXPR tree node.
        (fold_builtin_1): Update calls to fold_builtin_unordered_cmp.
        Move handling of BUILT_IN_ISUNORDERED from here to there.

2004-06-19  Richard Henderson  <rth@redhat.com>

        * c-common.c, c-common.h (lang_gimplify_stmt): Remove.
        * c-gimplify.c: Remove unnecessary prototypes.
        (c_gimplify_stmt): Merge into ...
        (c_gimplify_expr): ... here.  Don't play with prep_stmt.
        * c-semantics.c (prep_stmt): Remove.
        * gimplify.c (annotate_one_with_locus): Break out from ...
        (annotate_all_with_locus): ... here.
        (gimplify_expr): Add locus to expressions even if pre/post queues
        are not present.

2004-06-19  Richard Henderson  <rth@redhat.com>

        PR target/15941
        * function.c (assign_parms): If not padding upward or intentionally
        forcing upward padding, take offset_rtx into account when determining
        the alignment for stack_parm.

2004-06-19  Richard Henderson  <rth@redhat.com>

        PR target/15550
        * ifcvt.c (noce_try_move): Recognize all generated instructions.

2004-06-19  Jan Hubicka  <jh@suse.cz>

        * function.c (free_after_compilation): Do not free computed_goto_common*.
        * function.h (struct function): Kill computed_goto_common*.
        * stmt.c (expand_computed_goto): Do not commonize the computed gotos.
        * tree-cfg.c (disband_implicit_edges): Do not forward across the
        commonized computed goto.

2004-06-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/invoke.texi: Remove obsolete comment regarding PA 2.0 support
        in binutils.

2004-06-19  Andrew Pinski  <apinski@apple.com>

        PR c++/15721
        * toplev.c (wrapup_global_declarations): Do not check
        TREE_SYMBOL_REFERENCED of the DECL_ASSEMBLER_NAME but check
        cgraph_varpool_node's needed field.

2004-06-19  Jan Hubicka  <jh@suse.cz>
            Steven Bosscher  <stevenb@suse.de>

        CFG transparent RTL expansion:
        * Makefile.in (cfgexpand.o): New object file.
        (builtins.o): Add dependency on basic-block.h
        * builtins.c: Include basic-block.h
        (entry_of_function): New function.
        (expand_builtin_apply_args, expand_builtin_saveargs): Use it.
        * cfgexpand.c: New file.
        * expr.c (execute_expand, pass_expand): Kill.
        * pass.c (rest_of_compilation): Do not build CFG unless called from
        coverage code.
        * tree-cfg.c (delete_tree_cfg): Rename to..
        (delete_tree_cfg_annotations): ... this one; Do not remove the CFG itself.
        * tree-flow.h (delete_tree_cfg_annotations): Declare.
        (dleete_tree_cfg): Kill.
        * tree-optimize.c (execute_rebuild_bind, pass_rebuild_bind): Kill.
        (execute_del_cfg): Rename to...
        (execute_free_datastructures): This one...
        (pass_del_cfg): Rename to...
        (pass_free_datastructures): ... this one; Do not kill PROP_cfg.
        (init_tree_optimization_passes): Make cfg build and profiling to happen
        unconditionally.

2004-06-19  Steven Bosscher  <stevenb@suse.de>

        * tree-mudflap.c (mf_decl_cache_locals): Skip labels before
        inserting the cache variables.

        * tree-mudflap.c: Include headers to make basic_block available.
        Move functions around such that related functions are near each
        other.  Add prototypes for all static functions.  Add comments
        briefly explaining what IR the mudflap1 and mudflap2 work on and
        what they do.
        (mudflap_function_decls): Rename to execute_mudflap_function_decls.
        (mudflap_function_ops): Rename to execute_mudflap_function_ops.
        (pass_mudflap_1, pass_mudflap_2): Update.
        (mf_decl_cache_locals): Make it work on the CFG instead of the saved
        function tree.
        (mf_build_check_statement_for): Make it work on the CFG.
        (mf_xform_derefs_1): Likewise.  Cleanup code style.
        (mf_xform_derefs): Likewise.

2004-06-19  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (label_to_block): Invent the label destination for
        undefined labels.
        (cleanup_dead_labels): Update table in the case label_to_block added
        new label.

2004-06-18  Richard Henderson  <rth@redhat.com>

        PR c++/16036
        * gimple-low.c (lower_function_body): Generate return statement for
        fall off the end of the function here ...
        * tree-cfg.c (make_edges): ... instead of here.
        * gimplify.c (gimplify_return_expr): Mark return temp TREE_NO_WARNING.

2004-06-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa.c (raise_value): Removed.
        (get_eq_name, check_phi_redundancy): New functions.
        (kill_redundant_phi_nodes): Use standard ssa minimalization algorithm.

2004-06-18  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR,
        UNLE_EXPR, UNGT_EXPR, UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR>: Add
        constant folding for unordered comparison tree nodes.  If both
        operands are real constants, call fold_relational_const.  If either
        operand is a NaN, evaluate the other for side-effects and return a
        constant.  Optimize (double)float1 CMP (double)float2 into the
        equivalent float1 CMP float2.
        (nondestructive_fold_binary_to_constant) <UNORDERED_EXPR,
        ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, UNGE_EXPR, UNEQ_EXPR,
        LTGT_EXPR>: Call fold_relational_const for constant operands.
        (fold_relational_const): Add support for unordered comparison tree
        nodes.  Don't constant fold "ordered" floating point comparisons
        against NaN if when flag_trapping_math is set.

2004-06-19  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (build_range_check): If !in_p and recursive call
        fails, exit immediately.  If high - low overflows and etype is
        a signed type, retry with unsigned etype.
        (merge_ranges): If !in0_p and !in1_p, handle even range2 adjacent
        to range1 at TYPE_MAX_VALUE and TYPE_MIN_VALUE.

2004-06-18  Richard Henderson  <rth@redhat.com>

        * c-gimplify.c (gimplify_condition): Remove.
        (gimplify_c_loop, gimplify_if_stmt, gimplify_switch_stmt): Don't
        call it.

2004-06-18  Richard Henderson  <rth@redhat.com>

        * tree-eh.c (decide_copy_try_finally): Fix scaling of copy and
        switch estimates.

2004-06-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/darwin.h (HOT_TEXT_SECTION_NAME): Define.
        (NORMAL_TEXT_SECTION_NAME): Define.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
        (SECTION_FORMAT_STRING): Define.

2004-06-18  Steven Bosscher  <stevenb@suse.de>

        * config/xtensa/xtensa.c
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define.
        * xtensa.md: Replace the old pipeline description with a DFA model.

2004-06-18  Steven Bosscher  <stevenb@suse.de>
            Ulrich Weigand <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390.md: Remove the generic pipeline description.
        * config/s390/2064.md: Make all insn reservations apply to
        the z900, g5 and g6.
        * config/s390/s390.c (s390_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define to hook_int_void_1.
        (s390_adjust_cost): Cleanup.  Don't check address dependency here.
        (s390_first_cycle_multipass_dfa_lookahead): Always return 4.

2004-06-18  Daniel Berlin  <dberlin@dberlin.org>
                        Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (create_var_ann): tree_ann -> tree_ann_t.
        (create_stmt_ann): Ditto.
        (create_tree_ann): New function.
        (create_cst_ann): Remove.
        (create_expr_ann): Ditto.

        * tree-flow-inline.h (cst_ann): Remove.
        (get_cst_ann): Ditto.
        (get_expr_ann): Ditto.
        (expr_ann): Ditto.
        (get_tree_ann): New function.
        (tree_ann): Ditto.
        (ann_type): tree_ann -> tree_ann_t.
        * tree-flow.h (tree_ann_type): CST_ANN, EXPR_ANN removed.
        (struct cst_ann_d): Removed.
        (struct expr_ann_d): Ditto.
        (union tree_ann_d): Removed cst and expr.
        (tree_ann): Renamed to tree_ann_t.
        * tree-ssa-ccp.c (set_rhs): tree_ann -> tree_ann_t.
        * tree-ssa-pre.c (get_value_handle): Rewrite for single common
        annotation.
        (set_value_handle): Ditto.
        (phi_translate): Ditto.
        * tree-tailcall.c (adjust_return_value): tree_ann -> tree_ann_t.

2004-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-linux64: New file.
        * config.gcc: Add it to tmake_file for sh64*-*-linux*.

2004-06-18  Paolo Bonzini  <bonzini@gnu.org>

        * emit-rtl.c (unshare_all_rtl_1): New name of unshare_all_rtl.
        (unshare_all_rtl_again): Call unshare_all_rtl_1.
        (unshare_all_rtl): New.
        * function.c (instantiate_virtual_regs): Remove parameters.
        * function.h (instantiate_virtual_regs): Add prototype.
        * rtl.h (unshare_all_rtl): Add prototype.
        * tree.h (instantiate_virtual_regs, unshare_all_rtl): Remove
        prototype.
        * passes.c: Remove assertions on the parameters to
        rest_of_handle_* functions.  Remove the parameters to
        the functions, replacing decl with current_function_decl
        and insns with get_insns ().

2004-06-17  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (constant_boolean_node): Handle boolean_type_node
        directly, return either boolean_true_node or boolean_false_node.

2004-06-18  Kelley Cook  <kcook@gcc.gnu.org>

        * opts.sh: Delete.  Break out generated code to next four files.
        * opt-gather.awk: New file.
        * optc-gen.awk: New file.
        * opth-gen.awk: New file.
        * opt-functions.awk: New common file.
        * Makefile.in: Update for above.
        * configure.ac: Update comment.
        * configure: Regenerate.

2004-06-17  Richard Henderson  <rth@redhat.com>

        * c-common.c (flag_objc_sjlj_exceptions): New.
        * c-common.h (flag_objc_sjlj_exceptions): Declare.
        * c-opts.c (c_common_handle_option): Set it.
        (c_common_post_options): Handle interation of different
        objective-c exception and runtime switches.
        * c-decl.c (c_eh_initialized_p): New.
        (finish_decl): Use it instead of local eh_initialized_p.
        * c-parse.in (nested_function, notype_nested_function): Record
        the result of compstmt.
        (compstmt_or_error): Likewise.
        (compstmt): Don't add_stmt the result.
        (stmt): Don't return anything.  Rewrite objc try and sync rules.
        (objc_try_stmt, objc_catch_list): Remove.
        (objc_catch_block, objc_finally_block): Remove.
        (objc_catch_prefix, objc_catch_clause, objc_opt_catch_list): New.
        (objc_try_catch_clause, objc_finally_clause): New.
        (objc_try_catch_stmt): Rewrite.
        * c-tree.h (c_eh_initialized_p): Declare.
        * c-opt (fobjc-sjlj-exceptions): New.
        * except.c (output_function_exception_table): Don't call cgraph
        on non-decls.
        * objc/objc-act.c (UTAG_EXCDATA_VAR, UTAG_CAUGHTEXC_VAR,
        UTAG_RETHROWEXC_VAR, UTAG_EVALONCE_VAR, struct val_stack,
        catch_count_stack, exc_binding_stack, if_nesting_count,
        blk_nesting_count, objc_enter_block, objc_exit_block,
        objc_declare_variable, val_stack_push, val_stack_pop,
        objc_build_try_enter_fragment, objc_build_extract_expr,
        objc_build_try_exit_fragment, objc_build_extract_fragment,
        objc_build_try_prologue, objc_build_try_epilogue,
        objc_build_catch_stmt, objc_build_catch_epilogue,
        objc_build_finally_prologue, objc_build_finally_epilogue,
        objc_build_try_catch_finally_stmt, objc_build_synchronized_prologue,
        objc_build_synchronized_epilogue): Remove.
        (objc_create_temporary_var, struct objc_try_context, cur_try_context,
        objc_eh_runtime_type, objc_init_exceptions, objc_build_exc_ptr,
        next_sjlj_build_try_exit, next_sjlj_build_enter_and_setjmp,
        next_sjlj_build_exc_extract, next_sjlj_build_catch_list,
        next_sjlj_build_try_catch_finally, objc_begin_try_stmt,
        objc_begin_catch_clause, objc_finish_catch_clause,
        objc_build_finally_clause, objc_finish_try_stmt,
        objc_build_synchronized): New.
        (objc_is_object_id, objc_is_class_id): New.
        (objc_comptypes): Use them.
        (build_next_objc_exception_stuff): Break NeXT sjlj out from
        build_objc_exception_stuff.
        (synth_module_prologue): Update to match.
        (objc_build_throw_stmt): Use cur_try_context to decide if
        we're in a @catch.
        * objc/objc-act.h: Update prototypes.
        (OCTI_EXCEPTION_BLK_STACK, objc_exception_block_stack): Remove.

2004-06-17  Andrew Pinski <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p <case UNION_TYPE>):
        Use TYPE_FIELDS instead of TYPE_VALUES.

2004-06-17  Jason Merrill  <jason@redhat.com>

        PR c++/16015
        * gimplify.c (gimplify_target_expr): Handle void initializer.
        * expr.c (expand_expr_real_1) [TARGET_EXPR]: Likewise.
        * doc/c-tree.texi (Expression trees): Update TARGET_EXPR
        and AGGR_INIT_EXPR.

2004-06-17  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_relational_const): Use constant_boolean_node.

2004-06-17  Jan Hubicka  <jh@suse.cz>

        PR target/15433
        * i386.md (SSE SF cmov 0 splitter): The conditional is VOIDmode; fix
        operand numbering in the output template.
        (SSE DF cmov 0 splitter): The conditional is VOIDmode.

2004-06-17  Jan Hubicka  <jh@suse.cz>

        * except.c (can_throw_internal): Recognize RESX expresisons.

2004-06-17  Jan Hubicka  <jh@suse.cz>

        * cfgbuild.c (make_edges): Do not use label_value_list.
        (find_basic_blocks_1): Do not collect label_value_list.
        (find_sub_basic_blocks): Update call of make_edges.

2004-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * tree-cfg.c (tree_make_forwarder_block):  Use SET_PHI_RESULT.
        * tree-flow-inline.h (get_use_op_ptr):  Return a use_operand_p.
        (get_use_from_ptr, get_def_from_ptr):  New.  Return operand pointers.
        (get_def_op_ptr):  Return a def_operand_p instead of a 'tree *'.
        (get_v_may_def_result_ptr):  Return a def_operand_p.
        (get_v_may_def_op_ptr, get_vuse_op_ptr):   Return a use_operand_p.
        (get_v_must_def_op_ptr):  Return a def_operand_p.
        (get_phi_result_ptr):  New.  Return a pointer to the result of a PHI.
        (get_phi_arg_def_ptr):  New.  Return a pointer to an argument of a PHI.
        (phi_element_for_edge):  Remove.
        * tree-flow.h (propagate_value, replace_exp):  Change prototype.
        (propagate_tree_value):  Add new prototype.
        (phi_element_for_edge):  Remove prototype.
        * tree-into-ssa.c (mark_def_sites):  Use new operand types.
        (prepare_operand_for_rename):  Split into two functions.
        (prepare_use_operand_for_rename):  Prepare use operands.
        (prepare_def_operand_for_rename):  Prepare def operands.
        (rewrite_stmt):  Use new operand types.
        (rewrite_operand):  Use new operand types, change parameter type.
        * tree-outof-ssa.c (replace_variable):  Split into two functions.
        (replace_use_variable):  Rewrite uses.
        (replace_def_variable):  Rewrite defs.
        (rewrite_trees, rewrite_vars_out_of_ssa):  Use new operand types.
        * tree-phinodes.c (make_phi_node, resize_phi_node):  Use new types.
        (add_phi_arg, remove_phi_arg_num):  Use new operand types.
        * tree-ssa-ccp.c (substitute_and_fold):  Use new operand types.
        (ccp_fold, replace_uses_in):  Use new operand types.
        * tree-ssa-copy.c (replace_ssa_names):  Rename to replace_ssa_names_ann
        and no longer set the value, change parameter type.
        (replace_exp_1):  Use new operand types.
        (propagate_value):  Change parameter type, use new operand types.
        (propagate_tree_value):  Propagate_value without SSA operands.
        (replace_exp, cprop_operand, cprop_into_stmt):  Use new operand types.
        (cprop_into_successor_phis):  Use new operand types.
        * tree-ssa-dom.c (thread_across_edge):  Use new operand types.
        (eliminate_redundant_computations):  Use new operand types.
        * tree-ssa-dse.c (fix_phi_uses):  Use new operand_types.
        (fix_stmt_v_may_defs):  Use new operand_types.
        * tree-ssa-live.c (create_ssa_var_map):  Use new operand_types.
        (build_tree_conflict_graph):  Use new operand_types.
        * tree-ssa-loop.c (duplicate_blocks):  Use PHI_ARG_DEF_FROM_EDGE.
        * tree-ssa-operands.c (struct freelist_d):  Remove.
        (check_optype_freelist, add_optype_freelist):  Remove.
        (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
        allocate_vuse_optype, allocate_v_must_def_optype):  Call ggc_alloc.
        (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
        Call ggc_free instead of add_optype_freelist.
        (init_ssa_operands, fini_ssa_operands):  Remove free list code.
        (finalize_ssa_defs, finalize_ssa_uses):  Set new use/def operands.
        * tree-ssa-operands.h (struct def_optype_d):  Change underlying type.
        (struct use_optype_d):  Change underlying type.
        (def_operand_p, use_operand_p):  New types for pointers to operands.
        (USE_OP, DEF_OP, V_MAY_DEF_RESULT, V_MAY_DEF_OP, VUSE_OP,
        V_MUST_DEF_OP):  Use new pointer type instead of dereferencing directly.
        (USE_FROM_PTR, DEF_FROM_PTR):  New macros to "dereference" operand
        pointer types.
        (SET_USE, SET_DEF):  New macros to set operands from their pointer.
        (SET_USE_OP, SET_DEF_OP, SET_V_MAY_DEF_RESULT, SET_V_MAY_DEF_OP,
        SET_VUSE_OP, SET_V_MUST_DEF_OP): New SET routines for operands.
        (PHI_RESULT_PTR, PHI_RESULT, SET_PHI_RESULT):  Macros to manage the
        PHI result as an operand.
        (PHI_ARG_DEF_PTR, PHI_ARG_DEF, SET_PHI_ARG_DEF, PHI_ARG_DEF_FROM_EDGE,
        PHI_ARG_DEF_PTR_FROM_EDGE):  Macros to manage the PHI arguments.
        * tree-ssa-pre.c (eliminate):  Call propagate_tree_value.
        * tree-tailcall.c (independent_of_stmt_p, propagate_through_phis):  Use
        PHI_ARG_DEF_FROM_EDGE.
        * tree.h (PHI_RESULT):  Renamed to PHI_RESULT_TREE.
        (PHI_ARG_DEF):  Renamed to PHI_ARG_DEF_TREE.

2004-06-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/15991
        * tree-cfg.c (tree_block_label): Export.
        * tree-flow-inline.h (bsi_after_labels): New function.
        * tree-flow.h (bsi_after_labels, tree_block_label): Declare.
        * tree-ssa.c (propagate_into_addr): New function.
        (replace_immediate_uses): Handle propagation of pointer constants.
        (raise_value): Do not restrict propagation of pointer constants.
        * tree-ssanames.c (duplicate_ssa_name): New function.
        * tree.h (duplicate_ssa_name): Declare.

2004-06-17  David Ayers  <d.ayers@inode.at>

        * c-parse.in: Unify Objective-C token names.

2004-06-17  Zack Weinberg  <zack@codesourcery.com>

        Bug 14610
        * Makefile.in (min-insn-modes.o): Correct dependencies.
        * real.c (encode_ieee_extended, decode_ieee_extended): Always
        produce/consume 12-byte little-endian Intel format.
        (encode_ieee_extended_128, decode_ieee_extended_128): Delete.
        (encode_ieee_extended_motorola, decode_ieee_extended_motorola)
        (encode_ieee_extended_intel_96, decode_ieee_extended_intel_96)
        (encode_ieee_extended_intel_128, decode_ieee_extended_intel_128):
        New functions which convert between 12-byte little-endian Intel
        format and the desired format.
        (ieee_extended_motorola_format, ieee_extended_intel_96_round_53_format)
        (ieee_extended_intel_96_format, ieee_extended_intel_128_format):
        Update.

2004-06-17  Zack Weinberg  <zack@codesourcery.com>

        * expmed.c (expand_mult_const): In sanity check, compare only
        the bits of val and val_so_far that are significant in the
        result mode.

2004-06-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c:  Update comments.
        (val_expr_pair_eq): Factor code from here.
        (expr_pred_trans_eq): and here.
        (expressions_equal_p): To here.
        (print_value_set): Print value for expression.
        (phi_trans_lookup): Rename some variables.
        (lookup): Ditto.
        (value_exists_in_set_bitmap): Ditto.
        (value_remove_from_set_bitmap): Ditto.
        (value_insert_into_set_bitmap): Ditto.

2004-06-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-modes.def (CCL3mode): New machine mode.
        * config/s390/s390.c (s390_match_ccmode_set): Support CCL3mode.
        (s390_alc_comparison, s390_slb_comparison): Likewise.
        (s390_branch_condition_mask): Likewise.
        * config/s390/s390.md ("*subdi3_cc2", "*subdi3_cconly2"): New.
        ("*subsi3_cc2", "*subsi3_cconly2"): New.

        * config/s390/s390.h (PREDICATE_CODE): Accept SIGN_EXTEND and
        ZERO_EXTEND for s390_alc_comparison and s390_slb_comparison.
        * config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):
        Handle SIGN_EXTEND and ZERO_EXTEND.

        * config/s390/s390-protos.h (s390_expand_addcc): New prototype.
        * config/s390/s390.c (s390_expand_addcc): New function.
        * config/s390/s390.md ("adddicc", "addsicc"): New expanders.
        ("*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg"): New insns.
        ("sltu", "sgtu", "sleu", "sgeu"): New expanders.

2004-06-17  Ben Elliston  <bje@au.ibm.com>

        * tree-alias-common.c: Add whitespace.
        * tree-inline.c: Correct comment about this file's purpose.
        * tree-optimize.c: Likewise.
        * tree-tailcall.c: Likewise.

        * tree-alias-ander.h: Add standard top-of-file comment.
        * tree-alias-common.h: Likewise.
        * tree-alias-type.h: Likewise.

2004-06-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (compute_avail): Value number uses as well.
        Strip useless type conversions.
        Casts have to be treated slightly different than normal unaries.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-common.def (COMPOUND_STMT): Remove.
        * c-common.c (finish_fname_decls): Don't look through it.
        * c-typeck.c (c_tree_expr_nonnegative_p): Likewise.
        * c-common.h (COMPOUND_BODY): Remove.
        (c_common_stmt_codes): Remove COMPOUND_STMT.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (c_gimplify_stmt): Likewise.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * tree.h (DECL_SAVED_TREE): Update commentary.
        * doc/c-tree.texi (ASM_EXPR): Rename from ASM_STMT.
        (CASE_LABEL_EXPR): Rename from CASE_LABEL.
        (GOTO_EXPR): Rename from GOTO_STMT.
        (GOTO_FAKE_P): Remove.
        (COMPOUND_STMT): Remove.
        (HANDLER): Update wrt COMPOUND_STMT.
        (STMT_EXPR): Likewise.
        (LABEL_EXPR): Rename from LABEL_STMT.
        (SCOPE_STMT): Remove.
        * objc/objc-act.c (objc_build_try_catch_finally_stmt): Don't look
        through COMPOUND_STMT.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-common.h (c_begin_if_stmt, c_begin_while_stmt,
        c_finish_while_stmt_cond): Remove decls.
        * c-parse.in (if_prefix): Don't save c_begin_if_stmt result.
        * c-typeck.c (c_begin_if_stmt): Return void.
        (c_begin_else): Tidy.  Save stmt_count.
        * c-tree.h (c_begin_if_stmt): Update decl.

        * objc/objc-act.c (objc_build_try_enter_fragment,
        objc_build_extract_fragment, objc_build_try_epilogue,
        objc_build_catch_stmt, objc_build_catch_epilogue,
        objc_build_finally_prologue, objc_build_finally_epilogue): Update
        for if builder function changes.

2004-06-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (struct machine_function):  New member
        last_restore_gpr.
        (s390_frame_info): Add BASE_USED and RETURN_ADDR_USED parameters.
        Do not modify machine->save_return_addr_p or regs_ever_live.
        Fill in machine->last_restore_gpr.
        (s390_optimize_prolog): Use s390_frame_info to compute registers
        to save/restore, remove duplicated code.
        (s390_arg_frame_offset): Use s390_frame_info to compute frame
        size, remove duplicated code.
        (s390_emit_prologue): Adapt s390_frame_info call.  Update
        machine->save_return_addr_p and regs_ever_live.
        (s390_emit_epilogue): Use machine->last_restore_gpr instead of
        machine->last_save_gpr.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-parse.in (if_stmt_locus): Remove.
        (if_prefix): Increment stmt_count; pass it to c_finish_if_cond.
        (select_or_iter_stmt): Move empty if warnings to c-typeck.c.
        * c-typeck.c (if_elt): Sort by expected size.  Rename locus to
        empty_locus.  Add stmt_count, saw_else.
        (c_begin_if_stmt): Push if_stack here.
        (c_finish_if_cond): Rename from c_expand_end_cond.  Record stmt_count.
        (c_finish_then, c_finish_else): Record empty_locus.
        (c_begin_else): Rename from c_expand_start_else.  Record stmt_count.
        (c_finish_if_stmt): Rename from c_expand_end_cond.  Warn for empty
        if or else body.
        * c-tree.h: Update prototypes.

2004-06-16  Steven Bosscher  <stevenb@suse.de>

        * tree.h (PHI_CHAIN): New.
        * (tree-cfg.c, tree-dfa.c, tree-flow-inline.h, tree-into-ssa.c,
        tree-outof-ssa.c, tree-phinodes.c, tree-pretty-print.c,
        tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-dse.c,
        tree-ssa-live.c, tree-ssa-loop.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
        tree-ssa.c, tree-tailcall.c): Use PHI_CHAIN instead of TREE_CHAIN
        when traversing a list of PHI_NODEs.

2004-06-16  Bernardo Innocenti  <bernie@develer.com>

        PR target/13292
        * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040_ONLY
        on -msoft-float.
        (TARGET_FLT_EVAL_METHOD): Don't advertise extended precision for
        68040 and soft-float.
        * config/m68k/m68k.md (truncdfsf2): Explicitly require TARGET_68881
        in the TARGET_68040_ONLY case.

2004-06-16 Peter Barada  <peter@the-baradas.com>

        * config/m68k/m68k.md (movsi_cfv4): New pattern to allow mov3q.
        (movsi_cf): Make named, don't match TARGET_CFV4.
        (pushexthisi_const): Use mov3q if possible.
        (extendhisi2, cvf4_extendhisi2): Split extendhisi2 pattern
        to special case mvz.w for ColdFire V4.
        (extendqisi2, cvf4_extendqisi2): Split extendhisi2 pattern
        to special case mvz.b for ColdFire V4.
        (udivmodhi4, divmodhi4): Use mvz to zero extend arg for
        divide.
        (iorsi3, xorsi3, andsi3): Use bitfield instructions if possible.
        * config/m68k/m68k.c(valid_mov3q_const):  New function.
        (const_method): SWAP is valid for ColdFire.
        (MULL_COST, MULW_COST): Fix costs for ColdFire V3/V4.
        * config/m68k/m68k-protos.h (valid_mov3q_const): Prototype here.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-common.def (CASE_LABEL): Remove.
        * c-common.c (c_add_case_label): Use CASE_LABEL, not CASE_LABEL_DECL.
        (match_case_to_enum_1): Likewise.
        * c-common.h (c_common_stmt_codes): Remove CASE_LABEL.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (c_gimplify_stmt): Likewise.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-semantics.c (build_case_label): Use CASE_LABEL_EXPR.
        * tree.h (CASE_LOW): Update commentary.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-common.def (ASM_STMT): Remove.
        * c-common.h (c_common_stmt_codes): Remove ASM_STMT.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (c_gimplify_stmt): Likewise.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-typeck.c (build_asm_expr): Use ASM_EXPR.
        * tree.h: Fix commentary.

2004-06-16  Richard Henderson  <rth@redhat.com>

        * c-common.def (GOTO_STMT, LABEL_STMT): Remove.
        * c-common.c (c_add_case_label): Use LABEL_EXPR.
        * c-common.h (GOTO_FAKE_P, LABEL_STMT_LABEL): Remove.
        (c_common_stmt_codes): Remove GOTO_STMT, LABEL_STMT.
        * c-dump.c (c_dump_tree): Likewise.
        * c-gimplify.c (c_gimplify_stmt): Likewise.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-parse.in (stmt): Use GOTO_EXPR.
        (label): Use LABEL_EXPR.
        * c-semantics.c (build_stmt): Set TREE_TYPE to void.
        * tree-inline.c (copy_body_r): Don't build empty BLOCKs.

2004-06-16  J"orn Rennecke <joern.rennecke@superh.com>

        * cfgcleanup.c (try_simplify_condjump): Update test to make
        sure we have a conditional branch around am unconditional branch.

2004-06-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-cfg.c (pass_split_crit_edge): Give it a name and a dump file.

2004-06-16  Dale Johannesen  <dalej@apple.com>

        * loop.c (loop_givs_reduce): Avoid miscompilation of
        loops entered at bottom.

2004-06-16  J"orn Rennecke <joern.rennecke@superh.com>

        * cfglayout.c (fixup_reorder_chain): Handle case where the
        destination of E_FALL is EXIT_BLOCK_PTR.

2004-06-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/15653
        * config/ia64/ia64.c (ia64_dfa_new_cycle): Do not insert nops
        after shifts before asm.

2004-06-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/15993
        * tree-ssa-dom.c (thread_across_edge): Do not thread edge if its
        destination is unchanged.

2004-06-16  Andreas Jaeger  <aj@suse.de>

        * doc/install.texi (Configuration): Update description for
        --enable-version-specific-runtime-libs.

2004-06-16  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: boehm-gc now uses automake 1.8.5.

2004-06-16  Paolo Bonzini  <bonzini@gnu.org>

        * toplev.h (rest_of_compilation): Adjust prototype.

2004-06-16  Paolo Bonzini  <bonzini@gnu.org>

        * coverage.c: Remove argument to rest_of_compilation.
        * expr.c (execute_expand, set_save_expr_context, pass_expand): New.
        * passes.c (rest_of_compilation): Remove argument.
        (pass_rest_of_compilation): New.
        (rest_of_handle_final, rest_of_handle_delay_slots,
        rest_of_handle_stack_regs, rest_of_handle_variable_tracking
        rest_of_handle_machine_reorg, rest_of_handle_regrename
        rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_gcse2
        rest_of_handle_regmove, rest_of_handle_tracer
        rest_of_handle_if_conversion, rest_of_handle_if_after_combine
        rest_of_handle_web, rest_of_handle_branch_prob
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg
        rest_of_handle_addressof, rest_of_handle_jump_bypass
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2):
        Check that the two arguments are actually superfluous.
        * tree-optimize.c (register_dump_files): Add properties argument.
        Track validity of passes.  Only initialize dump files for
        tree-based passes.  Store the full set of provided passes in
        the pass.
        (init_tree_optimization_passes): Register pass_expand and
        pass_rest_of_compilation.
        (execute_one_pass): Do not track the presence of required properties
        here.  Set in_gimple_form.  Do not update current_properties.
        (current_properties): Remove.
        (set_save_expr_context): Remove.
        (tree_rest_of_compilation): Do not set in_gimple_form.  Do not
        expand to RTL here, and do not call rest_of_compilation.  Push
        GGC context even before gimplification.
        * tree-pass.h (PROP_rtl, PROP_trees): New flags.
        (pass_expand, pass_rest_of_compilation): Declare.

2004-06-15  Jeff Law  <law@redhat.com>

        * fold-const.c (swap_tree_comparison): No longer static.
        (tree_swap_operands_p): Similarly.  Return true if both operands
        are SSA_NAMEs and the first operand has a higher version number than
        the second operand.
        * tree.h (swap_tree_comparison): Prototype.
        (tree_swap_operands_p): Prototype.
        * tree-ssa-operands.c (get_expr_operands): For commutative
        operators and relational comparisons, canonicalize the
        order of the operands.

2004-06-15  Richard Henderson  <rth@redhat.com>

        * c-common.c (lang_gimplify_stmt): Remove next_p argument.
        (if_elt, if_stack, if_stack_space, c_expand_start_cond, c_finish_then,
        c_expand_end_cond, c_expand_start_else, c_finish_else, c_begin_if_stmt,
        c_begin_while_stmt, c_finish_while_stmt_cond): Move to c-typeck.c.
        (finish_fname_decls, fname_decl): Use statement_lists.
        (c_expand_expr_stmt): Don't set last_expr_type.
        (c_type_hash): Fix indentation.
        (c_safe_from_p): Don't follow TREE_CHAIN.
        (c_tree_chain_matters_p): Remove.
        * c-common.def (SCOPE_STMT): Remove.
        (CLEANUP_STMT): Redefine to contain its own body.
        * c-common.h (struct stmt_tree_s): Remove x_last_stmt,
        x_last_expr_type, x_last_expr_filename, x_scope_stmt_stack.
        Add x_cur_stmt_list.
        (last_tree, last_expr_type, last_expr_filename, RECHAIN_STMTS): Remove.
        (cur_stmt_list): New.
        (STATEMENT_LIST_STMT_EXPR): New.
        (SCOPE_BEGIN_P, SCOPE_END_P, SCOPE_STMT_BLOCK, SCOPE_NULLIFIED_P,
        SCOPE_NO_CLEANUPS_P, SCOPE_PARTIAL_P, NEW_FOR_SCOPE_P): Remove.
        (CLEANUP_BODY): New.
        (CLEANUP_DECL): Move to operand 2.
        (c_common_stmt_codes): Remove SCOPE_STMT.
        (COMPOUND_STMT_NO_SCOPE, COMPOUND_STMT_BODY_BLOCK): Remove.
        * c-decl.c (c_scope_stmt_stack, current_scope_stmt_stack): Remove.
        (c_push_function_context, c_pop_function_context): Don't save it.
        (finish_decl): Set TREE_USED on the decl for a cleanup.
        Use push_cleanup.
        (store_parm_decls): Use statement lists.
        (finish_function): Remove compstmt rule workaround.  Use statement
        lists.  Call finish_fname_decls after finalizing the body.
        (c_begin_compound_stmt): Move to c-typeck.c.
        * c-dump.c (c_dump_tree): Remove SCOPE_STMT.
        * c-gimplify.c (gimplify_cleanup_stmt, gimplify_cleanup_stmts): New.
        (c_genericize): Invoke them.
        (c_gimplify_stmt): Don't look through TREE_CHAIN.  Kill SCOPE_STMT.
        (c_build_bind_expr): Export.
        (gimplify_block, gimplify_cleanup): Remove.
        (gimplify_condition): Use gimplify_stmt.
        (gimplify_for_stmt): Remove FOR_INIT_STMT chaining hack.
        (gimplify_if_stmt): Remove recursion hack.
        (c_gimplify_expr): Remove STMT_EXPR handling.
        (stmt_expr_last_stmt, gimplify_stmt_expr): Remove.
        (is_last_stmt_of_scope): Remove.
        * c-lang.c (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P): Remove.
        * c-mudflap.c (mflang_flush_calls): Use c_begin_compound_stmt,
        c_end_compound_stmt.
        * c-objc-common.c (build_cdtor): Likewise.
        * c-parse.in (primary): Use c_finish_stmt_expr.
        (push_scope, pop_scope): Remove.
        (c99_block_start, compstmt_start): Use c_begin_compound_stmt.
        (c99_block_end, compstmt): Use c_end_compound_stmt.
        (c99_block_lineno_labeled_stmt): Likewise.
        (compstmt_primary_start): Use c_begin_stmt_expr.
        (simple_if, select_or_iter_stmt): Update calls to stmt builders.
        (do_stmt_start): Fill in body directly.
        (lineno_stmt): Avoid setting lineno on constants.
        * c-pretty-print.c (pp_c_statement): Handle STATEMENT_LIST.
        Remove SCOPE_STMT.
        * c-semantics.c (begin_stmt_tree): Remove.
        (push_stmt_list, re_push_stmt_list, pop_stmt_list): New.
        (add_stmt): Use statement lists.
        (add_scope_stmt, finish_stmt_tree): Remove.
        (push_cleanup): New.
        * c-tree.h: Move some decls from c-common.h.
        * c-typeck.c (c_tree_expr_nonnegative_p): Simplify for statement lists.
        (do_case, c_finish_case): Likewise.
        (c_finish_then): Take body for then as argument.
        (c_finish_else): Similarly.
        (c_begin_for_stmt, c_finish_for_stmt_init, c_finish_for_stmt_cond,
        c_finish_for_stmt_incr, c_finish_for_stmt): New.
        (c_begin_stmt_expr, c_finish_stmt_expr): New.
        (c_begin_compound_stmt): Do scope management.
        (c_end_compound_stmt): New.
        * fold-const.c (tree_expr_nonnegative_p): Fix BIND_EXPR.
        * gimplify.c (voidify_wrapper_expr): Accept temporary argument.
        Look through exception handling constructs.
        (gimplify_bind_expr): Accept temporary argument.
        (gimplify_target_expr): Special case BIND_EXPR bodies.
        (gimplify_expr): Handle fallback == fb_none like a statement.
        * langhooks-def.h (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P): Kill.
        * langhooks.c (lhd_tree_inlining_tree_chain_matters_p): Remove.
        * langhooks.h (tree_chain_matters_p): Remove.
        * stub-objc.c (objc_clear_super_receiver): New.
        * tree-gimple.h (voidify_wrapper_expr): Update decl.
        (append_to_statement_list, append_to_statement_list_force): Move
        to tree-iterator.h.
        * tree-inline.c (expand_call_inline): Update call.
        (clone_body): Use statement lists.
        (walk_tree): Don't check tree_chain_matters_p.
        (copy_tree_r): Likewise.
        * tree-iterator.c (alloc_stmt_list): Clear lang bits.
        (tsi_link_before, tsi_link_after): Set TREE_SIDE_EFFECTS properly.
        * tree-iterator.h (append_to_statement_list,
        append_to_statement_list_force): Moved from tree-gimple.h.
        * tree-pretty-print.c (dump_generic_node): Clean up TARGET_EXPR dump.
        * objc/objc-act.c (build_module_descriptor): Use c_begin_compound_stmt.
        (objc_enter_block): Likewise.
        (objc_exit_block): Use c_end_compound_stmt.
        (objc_build_try_enter_fragment): Add #error and comment for
        rewriting for OBJCPLUS.
        (objc_build_extract_fragment, objc_build_try_epilogue,
        objc_build_catch_stmt, objc_build_finally_prologue,
        objc_build_finally_epilogue): Update for C statement builders.
        * objc/objc-lang.c (LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P):
        Remove.

2004-06-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * df.c (df_reg_clobber_gen): Removed.
        (df_bb_rd_local_compute, df_insn_refs_record, df_rd_local_compute):
        Make more effective for hard regs.
        * ra-build.c (livethrough_conflicts_bb): Check contains_call.

2004-06-15  Alexandre Oliva  <aoliva@redhat.com>

        * c-pragma.h (c_lex_string_translate): Change type to int.
        * c-parse.in: Change all assignments of c_lex_string_translate
        to true and false to 1 and 0.
        * c-lex.c (c_lex_string_translate): Likewise.
        (lex_string): Convert string without translation in the -1
        case.

2004-06-15  Mark G. Adams  <mark.g.adams@sympatico.ca>

        * convert.h: Add include guards

2004-06-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-flow-inline.h: Document all functions.

2004-06-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-flow-inline.h (stmt_ann): Remove use of is_essa_node.
        * tree-dfa.c (create_stmt_ann): Ditto.
        * tree-pretty-print.c (dump_generic_node): Remove E* node handling.
        * tree-inline.c (estimate_num_insns_1): Ditto.
        * tree.c (tree_size): Ditto.
        (make_node_stat): Ditto.
        (tree_node_structure): Ditto.
        (ephi_node_elt_check_failed): Remove.
        (is_essa_node): Ditto.
        * tree.def (EPHI_NODE): Ditto.
        (EEXIT_NODE): Ditto.
        (EUSE_NODE): Ditto.
        (EKILL_NODE): Ditto.
        * tree.h (EREF_NODE_CHECK): Remove.
        (EPHI_NODE_ELT_CHECK): Ditto.
        (struct tree_eref_common): Ditto.
        (struct tree_euse_node): Ditto.
        (struct ephi_arg_d): Ditto.
        (struct tree_ephi_node): Ditto.
        (ephi_node_elt_check_failed): Remove prototype.
        (is_essa_node): Ditto.
        (enum tree_node_structure_enum): Remove TS_E*_NODE.
        (union tree_node): Remove E*_NODE uses.

2004-06-15  Jerry Quinn  <jlquinn@optonline.net>

        * alias.c (record_set, record_base_value, canon_rtx, get_addr,
        nonlocal_mentioned_p_1, init_alias_analysis): Use REG_P.
        * bt-load.c (find_btr_reference, insn_sets_btr_p, note_btr_set):
        Likewise.
        * builtins.c (expand_builtin_setjmp, expand_builtin_apply,
        expand_builtin_mathfn, expand_builtin_strlen, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp,
        expand_builtin_frame_address): Likewise.
        * caller-save.c (mark_set_regs, add_stored_regs, mark_referenced_regs,
        insert_one_insn): Likewise.
        * calls.c (prepare_call_address, precompute_register_parameters,
        precompute_arguments, expand_call, emit_library_call_value_1): Likewise.
        * cfganal.c (flow_active_insn_p): Likewise.
        * combine.c (set_nonzero_bits_and_sign_copies, can_combine_p,
        combinable_i3pat, try_combine, find_split_point, COMBINE_RTX_EQUAL_P,
        subst, combine_simplify_rtx, simplify_if_then_else, simplify_set,
        make_extraction, recog_for_combine, gen_lowpart_for_combine,
        simplify_comparison, record_dead_and_set_regs_1,
        record_dead_and_set_regs, record_promoted_value,
        check_promoted_subreg, get_last_value_validate, get_last_value,
        reg_dead_at_p_1, reg_bitfield_target_p, distribute_notes,
        unmentioned_reg_p_1): Likewise.
        * conflict.c (mark_reg): Likewise.
        * cse.c (HASH, COST, COST_IN, approx_reg_cost_1, notreg_cost,
        mention_regs, insert_regs, lookup, lookup_for_remove, insert,
        merge_equiv_classes, flush_hash_table, invalidate,
        remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
        invalidate_for_call, use_related_value, canon_hash, exp_equiv_p,
        cse_rtx_varies_p, canon_reg, find_best_addr, fold_rtx, equiv_constant,
        record_jump_cond, cse_insn, addr_affects_sp_p,
        invalidate_from_clobbers, cse_process_notes, cse_around_loop,
        cse_set_around_loop, count_reg_usage, set_live_p, cse_change_cc_mode,
        cse_cc_succs, cse_condition_code_reg): Likewise.
        * cselib.c (cselib_reg_set_mode, rtx_equal_for_cselib_p,
        cselib_lookup, cselib_invalidate_regno, cselib_invalidate_rtx,
        cselib_record_set, cselib_record_sets): Likewise.
        * dbxout.c (dbxout_symbol_location, dbxout_parms, dbxout_reg_parms,
        dbxout_block): Likewise.
        * df.c (df_ref_record, df_def_record_1, df_uses_record): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (dwarf2out_frame_debug_expr, is_pseudo_reg,
        is_based_loc, rtl_for_decl_location): Likewise.
        * emit-rtl.c (set_reg_attrs_for_parm, set_decl_rtl,
        set_decl_incoming_rtl, mark_user_reg): Likewise.
        * explow.c (copy_all_regs, copy_all_regs, memory_address, force_reg,
        copy_to_suggested_reg, allocate_dynamic_stack_space,
        probe_stack_range, hard_function_value): Likewise.
        * expmed.c (store_bit_field, store_fixed_bit_field,
        store_split_bit_field, extract_bit_field, extract_fixed_bit_field,
        extract_split_bit_field, expand_divmod, emit_store_flag_force):
        Likewise.
        * expr.c (convert_move, convert_modes,
        block_move_libcall_safe_for_call_parm, emit_group_load, use_reg,
        use_group_regs, emit_move_insn, emit_move_insn_1,
        compress_float_constant, push_block, emit_single_push_insn,
        emit_push_insn, get_subtarget, expand_assignment, store_expr,
        store_constructor, store_field, force_operand, safe_from_p,
        expand_expr_real_1, expand_increment, do_store_flag, do_tablejump):
        Likewise.
        * final.c (profile_function, final_scan_insn, alter_subreg,
        get_mem_expr_from_op, output_asm_operand_names, output_operand,
        only_leaf_regs_used, leaf_renumber_regs_insn): Likewise.
        * flow.c (verify_wide_reg_1, mark_regs_live_at_end,
        find_regno_partial, propagate_one_insn, init_propagate_block_info,
        insn_dead_p, libcall_dead_p, mark_set_1, not_reg_cond,
        attempt_auto_inc, find_auto_inc, mark_used_regs,
        count_or_remove_death_notes_bb): Likewise.
        * function.c (find_temp_slot_from_address, update_temp_slot_address,
        preserve_temp_slots, put_var_into_stack, fixup_var_refs_insn,
        fixup_var_refs_1, fixup_stack_1, optimize_bit_field, flush_addressof,
        put_addressof_into_stack, purge_addressof_1, insns_for_mem_walk,
        purge_single_hard_subreg_set, instantiate_decl,
        instantiate_virtual_regs_1, aggregate_value_p, assign_parms,
        promoted_input_arg, setjmp_vars_warning, setjmp_args_warning,
        setjmp_protect, setjmp_protect_args, fix_lexical_addr,
        expand_function_start, diddle_return_value, clobber_return_register,
        expand_function_end, keep_stack_depressed, handle_epilogue_set,
        update_epilogue_consts): Likewise.
        * genemit.c (gen_exp, gen_insn): Likewise.
        * genrecog.c (make_insn_sequence): Likewise.
        * global.c (global_conflicts, expand_preferences, mark_reg_store,
        mark_reg_conflicts, set_preference, reg_becomes_live,
        build_insn_chain, mark_reg_change): Likewise.
        * haifa_sched.c (CONST_BASED_ADDRESS_P, find_set_reg_weight):
        Likewise.
        * ifcvt.c (noce_try_abs, noce_get_condition, noce_process_if_block):
        Likewise.
        * integrate.c (copy_rtx_and_substitute, try_constants,
        subst_constants, mark_stores, allocate_initial_values): Likewise.
        * jump.c (reversed_comparison_code_parts, delete_prior_computation,
        delete_computation, rtx_renumbered_equal_p, true_regnum,
        reg_or_subregno): Likewise.
        * lcm.c (reg_dies, reg_becomes_live): Likewise.
        * local-alloc.c (validate_equiv_mem_from_store, validate_equiv_mem,
        update_equiv_regs, no_equiv, block_alloc, combine_regs, reg_is_set,
        wipe_dead_reg, no_conflict_p): Likewise.
        * loop-iv.c (simple_reg_p, simple_set_p, kill_sets,
        iv_get_reaching_def, iv_analyze_biv, altered_reg_used, mark_altered,
        simple_rhs_p, simplify_using_assignment, implies_p): Likewise.
        * loop.c (scan_loop, combine_movables, rtx_equal_for_loop_p,
        move_movables, note_set_pseudo_multiple_uses, consec_sets_invariant_p,
        find_single_use_in_loop, count_one_set, loop_bivs_init_find,
        loop_givs_rescan, check_insn_for_bivs, check_insn_for_givs,
        valid_initial_value_p, simplify_giv_expr, consec_sets_giv,
        loop_regs_update, check_dbra_loop, maybe_eliminate_biv,
        maybe_eliminate_biv_1, record_initial, update_reg_last_use,
        canonicalize_condition, loop_regs_scan, load_mems, try_copy_prop,
        try_swap_copy_prop): Likewise.
        * optabs.c (expand_binop, expand_vector_binop, expand_vector_unop,
        expand_abs, emit_no_conflict_block, emit_libcall_block, expand_float):
        Likewise.
        * postreload.c (reload_cse_simplify, reload_cse_simplify_set,
        reload_cse_simplify_operands, reload_combine,
        reload_combine_note_store, reload_combine_note_use,
        reload_cse_move2add, move2add_note_store): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * ra-build.c (copy_insn_p, remember_move, init_one_web_common,
        contains_pseudo, handle_asm_insn): Likewise.
        * ra-debug.c (ra_print_rtx_object, dump_constraints,
        dump_static_insn_cost): Likewise.
        * ra-rewrite.c (slots_overlap_p, emit_colors,
        remove_suspicious_death_notes): Likewise.
        * recog.c (validate_replace_rtx_1, find_single_use_1, find_single_use,
        register_operand, scratch_operand, nonmemory_operand,
        constrain_operands): Likewise.
        * reg-stack (check_asm_stack_operands, remove_regno_note,
        emit_swap_insn, swap_rtx_condition, subst_stack_regs_pat,
        subst_asm_stack_regs): Likewise.
        * regclass.c (scan_one_insn, record_reg_classes, copy_cost,
        record_address_regs, reg_scan_mark_refs): Likewise.
        * regmove.c (discover_flags_reg, replacement_quality,
        copy_src_to_dest, reg_is_remote_constant_p, regmove_optimize,
        fixup_match_1): Likewise.
        * regrename.c (note_sets, clear_dead_regs, build_def_use, kill_value,
        kill_set_value, copyprop_hardreg_forward_1): Likewise.
        * reload.c (MATCHES, push_secondary_reload, find_reusable_reload,
        reload_inner_reg_of_subreg, can_reload_into, push_reload,
        combine_reloads, find_dummy_reload, hard_reg_set_here_p,
        operands_match_p, decompose, find_reloads, find_reloads_toplev,
        find_reloads_address, subst_indexed_address, find_reloads_address_1,
        find_reloads_subreg_address, find_replacement,
        refers_to_regno_for_reload_p, reg_overlap_mentioned_for_reload_p,
        refers_to_mem_for_reload_p, find_equiv_reg, regno_clobbered_p): Likewise.
        * reload1.c (replace_pseudos_in, reload, calculate_needs_all_insns,
        find_reg, delete_dead_insn, alter_reg, eliminate_regs,
        elimination_effects, eliminate_regs_in_insn, scan_paradoxical_subregs,
        forget_old_reloads_1, reload_reg_free_for_value_p, choose_reload_regs,
        emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
        do_output_reload, emit_reload_insns, gen_reload,
        delete_address_reloads_1, inc_for_reload): Likewise.
        * reorg.c (update_reg_dead_notes, fix_reg_dead_note,
        update_reg_unused_notes, fill_slots_from_thread): Likewise.
        * resource.c (update_live_status, mark_referenced_resources,
        mark_set_resources, mark_target_live_regs): Likewise.
        * rtlanal.c (nonzero_address_p, get_jump_table_offset,
        global_reg_mentioned_p_1, reg_mentioned_p, reg_referenced_p,
        reg_set_p, set_noop_p, find_last_value, refers_to_regno_p,
        note_stores, dead_or_set_p, dead_or_set_regno_p, find_regno_note,
        find_reg_fusage, find_regno_fusage, replace_regs, regno_use_in,
        parms_set, find_first_parameter_load, keep_with_call_p,
        hoist_test_store, hoist_update_store, address_cost, nonzero_bits1,
        num_sign_bit_copies1): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * sched-deps.c (deps_may_trap_p, sched_analyze_1, sched_analyze_insn,
        sched_analyze): Likewise.
        * sched-rgn.c (check_live_1, update_live_1, sets_likely_spilled_1):
        Likewise.
        * sdbout.c (sdbout_symbol, sdbout_parms, sdbout_reg_parms): Likewise.
        * simplify-rtx.c (simplify_replace_rtx, simplify_unary_operation,
        simplify_binary_operation, simplify_const_relational_operation,
        simplify_subreg): Likewise.
        * stmt.c (decl_conflicts_with_clobbers_p, expand_asm_operands,
        expand_end_stmt_expr, expand_return, expand_decl,
        expand_anon_union_decl): Likewise.
        * unroll.c (precondition_loop_p, calculate_giv_inc, copy_loop_body,
        find_splittable_regs, find_splittable_givs, find_common_reg_term,
        loop_iterations): Likewise.
        * var-tracking.c (variable_union, variable_part_different_p,
        variable_different_p, count_uses, add_uses, add_stores,
        compute_bb_dataflow, set_variable_part, delete_variable_part,
        emit_notes_in_bb, vt_get_decl_and_offset, vt_add_function_parameters):
        Likewise.
        * varasm.c (assemble_variable): Likewise.

2004-06-15  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove
        definition.
        * config/mips/linux64.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove
        #undef and #if 0'd definition.

2004-06-15  J"orn Rennecke <joern.rennecke@superh.com>

        * combine.c (distribute_notes): Comment typo fix.

2004-06-15  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (synth_mult): Mask bits of the multiplier to the
        machine mode of the multiplication.  Don't consider shifts
        by more than (or equal to) the width of the operation's mode.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Yet another update for autoconf
        and automake versions.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

        * function.h (struct function): Remove cannot_inline field.
        (current_function_cannot_inline): Remove.
        * passes.c (rest_of_compilation): Reset DECL_DEFER_OUTPUT.
        Simplify conditionals to ignore warn_return_type.
        * tree-optimize.c (tree_rest_of_compilation): Do not reset
        DECL_DEFER_OUTPUT.
        * objc/objc-act.c (build_module_descriptor, finish_method_def):
        Do not set current_function_cannot_inline.

2004-06-15  J"orn Rennecke <joern.rennecke@superh.com>

        * cfglayout.c (fixup_reorder_chain): Handle case where the
        destination of E_TAKEN is EXIT_BLOCK_PTR.

2004-06-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-copy.c (cprop_into_successor_phis): Fix typo.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c (operand_equal_p): Update comment.

2004-06-15  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (RETURN_ADDR_RTX): Define.
        (INCOMING_RETURN_ADDR_RTX): Define.
        * config/m32r/m32r-protos.h (m32r_return_addr): Added.
        * config/m32r/m32r.c (m32r_exppand_prologue): Changed for
        __builtin_return_address(0).
        (m32r_return_addr): Added for __builtin_return_address(0).
        (m32r_reload_lr): Ditto.

        * longlong.h: Fix macros for m32r add_ssaaaa and sub_ddmmss.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi (Prerequisites): Update libbanshee,
        fastjar, libcpp, libjava/libltdl entries to
        automake 1.8.5.

2004-06-15  Eric Botcazou  <ebotcazou@act-europe.fr>
            Olivier Hainque  <hainque@act-europe.fr>

        * function.c (fixup_var_refs): Also adjust the start of sequence
        after fixing up the insns.

2004-06-15  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * gccbug.in: Update optimization -> tree-optimization/rtl-optimization.

2004-06-14  Benjamin Kosnik  <bkoz@redhat.com>

        * doc/install.texi (Prerequisites): Update libstdc++ entry to
        automake 1.8.5.

2004-06-14  Eric Christopher  <echristo@redhat.com>

        * config/s390/s390.h (TARGET_SWITCHES): Change -mtpf (-mno-tpf)
        to -mtpf-trace (-mno-tpf-trace).
        * doc/invoke.texi (S/390 and zSeries Options): Add tpf option
        documentation.

2004-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * real.c: Fix bit count in head comment.

2004-06-14  Jeff Law  <law@redhat.com>

        * tree-ssa.c (kill_redundant_phi_nodes): More correctly handle
        PHIs where the destination or an argument is marked with
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2004-06-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/15945
        * simplify-rtx.c (simplify_binary_operation): Don't optimize out
        Inf + -Inf, Inf - Inf, Inf / Inf and 0 * Inf if flag_trapping_math.

2004-06-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * opts.sh (var_args): Fix regexp.

2004-06-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/15178
        * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.

2004-06-14  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.c (output_call_frame_info): Support dwarf3 cie entries.

2004-06-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (FLAGS_H): New.
        (flags.h): Replace by FLAGS_H.
        * c.opt: Document Var, VarExists, Init and Report attributes.
        * common.opt: Fill the values of the attributes.
        * diagnostic.c (flag_fatal_errors): Do not define.
        * except.c (flag_non_call_exceptions): Do not define.
        * flags.h: Include options.h.  Remove declarations conflicting with
        the automatically defined ones.
        * opts.c: Remove automatically defined variables.
        (handle_option): Perform default initialization.
        (common_handle_option): Do not handle options covered by the
        default initialization.
        * opts.h (struct cl_option): Add flag_var, has_set_value and set_value
        fields.
        (CL_REPORT): New.
        * opts.sh: Generate variable declarations, handle CL_REPORT.
        * toplev.c: Remove automatically defined variables.
        (f_options): Removed.
        (print_switch_values): Use cl_options instead of f_options.
        * toplev.h (version_flag): Declaration removed.

2004-06-14  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/sparc/sparc.h: Correct comment about availability of
        little endian option.

        * config.gcc: Remove sparc64-*-aout*.
        * config/sparc/sparc.c (sparc_aout_select_rtx_section): Remove.
        * config/sparc/sp64-aout.h: Remove.
        * config/sparc/aout.h: Remove.

2004-06-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c: Include "tree-gimple.h".
        (s390_gimplify_va_arg): New function.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        (s390_va_arg): Remove.
        * config/s390/s390-protos.h (s390_va_arg): Remove.
        * config/s390/s390.h (EXPAND_BUILTIN_VA_ARG): Call abort ().

2004-06-14  J"orn Rennecke <joern.rennecke@superh.com>

        * basic-block.h (could_fall_through): Declare.
        * cfganal.c (can_fallthru): Succeed if the target is EXIT_BLOCK_PTR.
        Fail if the source already has a fallthrough edge to the exit
        block pointer.
        (could_fall_through): New function.
        * cfgbuild.c (make_edges): Check if we already have a fallthrough
        edge to the exit block pointer.
        * cfglayout.c (fixup_fallthru_exit_predecessor): Check that it is
        not called before reload has completed.
        Handle special case of first block having a fall-through exit edge.
        (cfg_layout_finalize): Don't call it before reload or if we have
        rtl epilogues.
        (fixup_reorder_chain): A fall through to the exit block does not
        require the block to come last.  Add sanity checks.
        * cfgrtl.c (rtl_split_edge): Add special handling of fall through
        edges to the exit block.
        * function.c (cfglayout.h): #include.
        (thread_prologue_and_epilogue_insns): If we have neither return nor
        epilogue, but a fall through to the exit block from mid-function,
        force a non-fall-through exit.
        * Makefile.in (function.o): Depend on CFGLAYOUT_H.

2004-06-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Handle -mpowerpc64 and -mcpu
        for power5 and rs64a.  Correct condition for default.  Correct power3,
        620, 630, 7400, 7450, G4, 970 and G5 -mcpu entries.  Add -many.

2004-06-13  Steven Bosscher <stevenb@suse.de>

        * gcse.c (hash_scan_set, hash_scan_insn, mark_set, mark_oprs_set):
        Revert previous change, don't use CALL_P.

2004-06-13  Jason Merrill  <jason@redhat.com>

        * tree.h: Move std_gimplify_va_arg_expr protoype here.
        * tree-gimple.h: From here.

2004-06-13  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/15979
        Fix PR tree-optimization/15981
        * tree-ssa-pre.c (insert_aux): Fix faulty logic so that we don't
        try to insert values undefined along some path.

2004-06-13  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (add_to_value): is_gimple_min_invariant things
        are available everywhere too.

2004-06-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_checksum_tree <case 't'>): Only
        look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.
        Only look at TYPE_MIN_VALUE and TYPE_MAX_VALUE if
        EXPR is an INTEGERAL_TYPE or a scalar float type.

2004-06-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-sra.c (tree_sra): Update documentation.

2004-06-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (comptypes, tagged_types_tu_compatible_p,
        function_types_compatible_p, type_lists_compatible_p): Remove
        flags parameter.
        * c-tree.h (comptypes): Likewise.
        (COMPARE_STRICT): Remove.
        * c-decl.c, c-lang.c, c-parse.in, c-typeck.c, objc/objc-act.c: All
        callers changed.

2004-06-13  Eric Christopher  <echristo@redhat.com>

        * c-decl.c (diagnose_mismatched_decls): Improve error message.
        Remove unused code.
        * c-typeck.c (comptypes): Add location in standard we're checking.

2004-06-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/libgcc-std.ver: Add __unorddf2 and __unordsf2 with
        version 3.3.4.

2004-06-12  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (shift_cost, shiftadd_cost, shiftsub_cost): Additionally
        index by machine mode.
        (init_expmed): Initialize shift_cost, shiftadd_cost and shiftsub_cost
        tables inside the loop over machine modes.
        (synth_mult, expand_mult_highpart_optab, expand_mult_highpart,
        expand_divmod): Index shift*_cost by the appropriate machine mode.

2004-06-12  Eric Christopher  <echristo@redhat.com>

        * config/s390/s390.h: Rename TARGET_TPF to TARGET_TPF_PROFILING.
        * config/s390/s390.md: Ditto.
        * config/s390/s390.c: Ditto.
        (s390_frame_info): Conditionalize frame and setup info on
        TARGET_TPF_PROFILING.
        (s390_arg_frame_offset): Ditto.

2004-06-12  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (omit_two_operands): New function.
        * tree.h (omit_two_operands): Prototype here.
        * builtins.c (fold_builtin_unordered_cmp): New function to lower
        C99 unordered comparison builtins to the appropriate tree nodes.
        (fold_builtin_1): Use fold_builtin_unordered_cmp to lower
        BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
        BUILT_IN_ISLESSEQUAL and BUILT_IN_ISLESSGREATER.  Manually lower
        BUILT_IN_ISUNORDERED comparisons to an UNORDERED_EXPR tree node.
        (simplify_builtin_memcmp, simplify_builtin_strncmp,
        simplify_builtin_strncat, simplify_builtin_strspn): Use the new
        omit_two_operands function to build the required COMPOUND_EXPRs.

2004-06-12  Steven Bosscher <stevenb@suse.de>,
            Andreas Jaeger  <aj@suse.de>

        * gcse.c (record_set_info): Use predicates like REG_P.
        (mems_conflict_for_gcse_p): Likewise.
        (load_killed_in_block_p): Likewise.
        (hash_expr_1): Likewise.
        (insert_set_in_table): Likewise.
        (gcse_constant_p): Likewise.
        (hash_scan_set): Likewise.
        (hash_scan_insn): Likewise.
        (canon_list_insert): Likewise.
        (record_last_mem_set_info): Likewise.
        (record_last_set_info): Likewise.
        (compute_hash_table_work): Likewise.
        (mark_set): Likewise.
        (mark_clobber): Likewise.
        (mark_oprs_set): Likewise.
        (compute_transp): Likewise.
        (find_avail_set): Likewise.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (cprop): Likewise.
        (find_implicit_sets): Likewise.
        (find_bypass_set): Likewise.
        (bypass_conditional_jumps): Likewise.
        (insert_insn_end_bb): Likewise.
        (pre_insert_copy_insn): Likewise.
        (compute_transpout): Likewise.
        (next_ls_expr): Likewise.
        (invalidate_any_buried_refs): Likewise.
        (compute_ld_motion_mems): Likewise.
        (reg_set_info): Likewise.
        (reg_clear_last_set): Likewise.
        (find_moveable_store): Likewise.
        (compute_store_table): Likewise.
        (find_loads): Likewise.
        (store_killed_in_insn): Likewise.
        (insert_insn_start_bb): Likewise.
        (reg_set_between_after_reload_p): Likewise.
        (reg_used_between_after_reload_p): Likewise.
        (is_jump_table_basic_block): Likewise.
        (gcse_after_reload): Likewise.
        (hash_scan_set_after_reload): Likewise.
        (compute_hash_table_after_reload): Likewise.

2004-06-12  Steven Bosscher  <stevenb@suse.de>

        * rtl.h (MEM_P, NONJUMP_INSN_P, CALL_INSN_P): New predicates.
        (INSN_P): Don't look at the rtx code class, just explicitly
        check for one of the tree RTX_INSN codes.

2004-06-11  Zack Weinberg  <zack@codesourcery.com>

        * c-typeck.c (default_function_array_conversion): Use
        build_pointer_type not TYPE_POINTER_TO.

2004-06-11  Zack Weinberg  <zack@codesourcery.com>

        * configure.ac: Don't invoke ACX_HEADER_STDBOOL.
        * configure, config.in: Regenerate.
        * system.h: Unconditionally define bool as unsigned char,
        BOOL_BITFIELD as unsigned int.
        * domwalk.h: Use BOOL_BITFIELD.

2004-06-12  Andreas Jaeger  <aj@suse.de>

        * libgcc-std.ver: Add __unorddf2 and __unordsf2 with version 3.3.4.
        * libgcc-darwin.ver: Likewise.

2004-06-12  Peter Jakubek  <peter@laseranimation.com>

        * reload.c (find_reloads): Force reload for pseudo registers on big
        endian machines.

2004-06-11  Steven Bosscher <stevenb@suse.de>

        * tree-ssa-dce.c (mark_control_dependent_edges_necessary):
        Don't try to mark anything control dependent on the entry or
        exit blocks.

2004-06-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix Bug 15899
        Fix Bug 15460
        * tree.h (SSA_NAME_VALUE): New macro.
        (struct tree_ssa_name): Add value_handle member.
        * tree-ssa-pre.c: Replaced.
        * tree-flow.h (tree_ann_type): Add CST_ANN, EXPR_ANN.
        (struct cst_ann_d): New.
        (struct expr_ann_d): New.
        (union tree_ann_d): Add cst_ann, expr_ann.
        * tree-dfa.c (create_cst_ann): New function.
        (create_expr_ann): Ditto.
        * tree-flow-inline.h (cst_ann): New function.
        (expr_ann): Ditto.
        (get_cst_ann): Ditto.
        (get_expr_ann): Ditto..

2004-06-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_hpux_init_libfunc): Add support for unord_optab.
        * pa/quadlib.c (enum qfcmp_magic): Define magic values for call to
        _U_Qfcmp library function.
        (_U_Qfltgt, _U_Qfunle, _U_Qfunlt, _U_Qfunge, _U_Qfungt, _U_Qfuneq,
        _U_Qfunord, _U_Qford): Add more TFmode builtin compare functions.

        * pa.c (legitimize_pic_address): Use UNSPEC_DLTIND14R to identify
        unspec used for loading address from DLT.
        * pa.md: Define constants for the uses of UNSPEC and UNSPEC_VOLATILE.
        Change all users of UNSPEC and UNSPEC_VOLATILE to use new constants.
        Don't use short code sequence when loading the address of a nonlocal
        label.
        (nonlocal_goto): New expander.
        (indirect_goto): New jump pattern for nonlocal gotos.
        (short_jump): Remove extra whitespace.
        (builtin_longjmp): Clobber memory and hard frame pointer.  Restore
        frame pointer via virtual_stack_vars_rtx when we have a nonlocal goto
        pattern.

2004-06-11  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (synth_mult): Add an additional MODE argument for the
        machine mode of the multiplication.  Update recursive calls.  Use
        mode instead of word_mode for determining operation costs.
        (choose_mult_variant): Update calls to synth_mult with "mode".

2004-06-11  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (get_stmt_operands): Clear makes_aliased_loads
        and makes_aliased_stores.

2004-06-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * doc/install.text (--enable-shared): Fix typo.

2004-06-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Remove post_p
        argument.  Use internal post for call to gimplify_expr.  Tidy
        rounded type size computation.
        (alpha_gimplify_va_arg): Use get_formal_tmp_var and
        get_initialized_tmp_var.

2004-06-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * doc/install.texi (--enable-shared): Update libobjc's shared library
        status.  Remove reference to libf2c.

2004-06-11  Jason Merrill  <jason@redhat.com>

        * config/i386/i386.h (EXPAND_BUILTIN_VA_ARG): Just abort.
        * config/i386/i386.c (ix86_va_arg): Remove.
        * config/rs6000/rs6000.h (EXPAND_BUILTIN_VA_ARG): Just abort.
        * config/rs6000/rs6000.c (rs6000_va_arg): Remove.
        * config/alpha/alpha.h (EXPAND_BUILTIN_VA_ARG): Just abort.
        * config/alpha/alpha.c (alpha_va_arg): Remove.
        * config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Just abort.
        * config/sparc/sparc.c (sparc_va_arg): Remove.

        * tree-ssa-operands.c (get_stmt_operands): Use a V_MAY_DEF if the
        assignment might throw.
        * tree-eh.c (tree_could_throw_p): Support non-call exceptions in
        expressions.

2004-06-11  J"orn Rennecke <joern.rennecke@superh.com>

        PR 15886:
        * sh.h (ALLOCATE_INITIAL_VALUE): Use return_address_pointer_rtx.

2004-06-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/install.texi (Prerequisites): Update documentation of
        required versions of autoconf and automake.  Remove mention of
        libf2c.

2004-06-11  Jason Merrill  <jason@redhat.com>

        * config/sparc/sparc.c (sparc_gimplify_va_arg): New fn.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.

2004-06-11  Jerry Quinn  <jlquinn@optonline.net>

        * typeclass.h: Add GPL plus exception license.  Add include
        guard.

2004-06-10  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_modify_expr): Don't force a temporary
        of an aggregate_value_p type.

2004-06-10  Jeff Law  <law@redhat.com>

        * fold-const.c (fold_inf_compare): Avoid creating non-gimple
        code when we are in gimple form.

2004-06-10  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-ssanames.o): Depend on TREE_FLOW_H.
        * tree-flow.h (ssa_names, num_ssa_names, ssa_name): Declare.
        (highest_ssa_version): Remove.
        * tree-outof-ssa.c (new_temp_expr_table): Replace
        highest_ssa_version with num_ssa_names.
        (dump_replaceable_exprs): Likewise.
        (rewrite_vars_out_of_ssa): Likewise.
        * tree-ssa-ccp.c (initialize): Likewise
        * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
        * tree-ssa-dce.c (tree_dce_init): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        * tree-ssa-live.c (create_ssa_var_map): Likewise.
        (dump_var_map): Likewise.
        * tree-ssa.c (verify_ssa): Likewise.
        (kill_redundant_phi_nodes): Likewise.
        Do not build a local array of SSA_NAMEs.  Use the ssa_names table.
        * tree-ssanames.c: Include tree-flow.h
        (ssa_names): New varray.
        (init_ssa_names): Initialize ssa_names.
        Reserve the first slot of the ssa_names table.
        (make_ssa_name): Push the newly created SSA_NAME into ssa_names.
        Assign version numbers using num_ssa_names.

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

        * doc/sourcebuild.texi (Front End): Add details of more
        installation documentation required.

2004-06-10  Brian Booth  <bbooth@redhat.com>

        * doc/tree-ssa.texi: Remove references to VDEF and add descriptions
        of V_MAY_DEF and V_MUST_DEF.
        * tree-dfa.c (dfa_stats_d): Add num_v_must_defs and rename
        num_vdefs to num_v_may_defs.
        (compute_immediate_uses_for_stmt): Rename occurences of vdef
        to v_may_def.
        (redirect_immediate_uses): Ditto.
        (dump_dfa_stats): Ditto. Also added code to dump num_v_must_defs.
        (collect_dfa_stats_r): Rename occurences of vdef to v_may_def.
        Also add code to sum up the number of v_must_defs.
        (vdefs_disappeared_p): Replace with...
        (v_may_defs_disappeared_p): This.
        (v_must_defs_disappeared_p): New function.
        (mark_new_vars_to_rename): Rename occurences of vdef to v_may_def.
        Also add code to mark new variables found in V_MUST_DEFs for
        renameing.
        * tree-flow.h (stmt_ann_d): Add v_must_def_ops and replace
        vdef_ops to v_may_def_ops.
        (get_vdef_ops): Replace with...
        (get_v_may_def_ops): This.
        * tree-flow-inline.h (get_vdef_ops): Replace with...
        (get_v_may_def_ops): This.
        (get_v_must_def_ops): New function.
        (get_vdef_result_ptr): Replace with...
        (get_v_may_def_result_ptr): This.
        (get_vdef_op_ptr): Ditto with...
        (get_v_may_def_op_ptr); This.
        (get_v_must_def_op_ptr): New function.
        * tree-into-ssa.c (mark_def_sites): Rename occurences of vdef
        to v_may_def. Also add code to mark statements with
        V_MUST_DEFs as definition sites.
        (rewrite_stmt): Rename occurences of vdef to v_may_def. Also
        add code to register new V_MUST_DEFs made by the statement.
        * tree-outof-ssa.c (VIRTUAL_PARTITION): Update comments.
        (check_replaceable): Rename occurences of vdef to v_may_def. Also
        add check for V_MUST_DEFs.
        (find_replaceable_in_bb): Ditto.
        * tree-pretty-print.c (dump_vops): Rename occurences of vdef
        to v_may_def. Also add code to dump V_MUST_DEFs.
        * tree-sra.c (mark_all_vdefs): Replace with...
        (mark_all_v_may_defs): This.
        (mark_all_v_must_defs): New function.
        (create_scalar_copies): Replace call to mark_all_vdefs with
        calls to mark_all_v_may_defs and mark_all_v_must_defs.
        (scalarize_structures): Rename occurences of vdef to v_may_def.
        Also add a check for V_MUST_DEFs.
        (scalarize_modify_expr): Rename occurences of vdef to v_may_def.
        * tree-ssa-alias.c (global_var): Update comment.
        (compute_may_aliases): Ditto.
        (compute_points_to_and_addr_escape): Rename occurences of vdef
        to v_may_def. Also add code to mark variables in V_MUST_DEF
        operands as being written to.
        (group_aliases): Update comment.
        (maybe_create_global_var): Ditto.
        * tree-ssa.c (verify_ssa): Rename occurences of vdef to v_may_def.
        Also add a check for V_MUST_DEFs on GIMPLE registers.
        (replace_immediate_uses): Rename occurences of vdef to v_may_def.
        * tree-ssa-ccp.c (visit_stmt): Rename occurences of vdef
        to v_may_def. Also add code to mark all V_MUST_DEF operands
        VARYING.
        (initialize): Ditto.
        (set_rhs): Rename occurences of vdef to v_may_def. Also add
        code to update SSA_NAMEs in V_MUST_DEFs.
        * tree-ssa-copy.c (cprop_into_stmt): Rename occurences of vdef
        to v_may_def.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Rename
        occurences of vdef to v_may_def. Also add code to mark statements
        with V_MUST_DEFs as necessary.
        (propagate_necessity): Rename occurences of vdef to v_may_def.
        * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Rename
        occurences of vdef to v_may_def. Also add code to mark operands
        in V_MUST_DEFs for renaming.
        (eliminate_redundant_computations): Rename occurences of vdef
        to v_may_def.
        (record_equivalences_from_stmt): Rename occurences of vdef
        to v_may_def. Also add code to record VUSEs for V_MUST_DEFs.
        (optimize_stmt): Remove unnesessary variable vdefs. Update
        comment.
        (register_definitions_for_stmt): Rename occurences of vdef
        to v_may_def. Also add code to register definitions made with
        V_MUST_DEFs.
        * tree-ssa-dse.c (fix_stmt_vdefs): Replace with...
        (fix_stmt_v_may_defs): This.
        (fix_phi_uses): Rename occurences of vdef to v_may_def.
        (dse_optimize_stmt): Ditto.
        * tree-ssa-live.c (create_ssa_var_map): Rename occurences of vdef
        to v_may_def. Also add code to mark V_MUST_DEF operands as being
        used in virtual operators.
        * tree-ssa-loop.c (mark_defs_for_rewrite): Rename occurences of
        vdef to v_may_def. Also add code to mark V_MUST_DEF operands for
        renaming.
        * tree-ssa-operands.c (opf_kill_def): New flag for killing
        definitions.
        (build_vdefs): Renamed to...
        (build_v_may_defs): This.
        (build_v_must_defs): New variable.
        (voperands_d): Add v_must_def_ops and replace vdef_ops with
        v_may_def_ops.
        (append_vdef): Replace with...
        (append_v_may_def): This.
        (append_v_must_def): New function.
        (NUM_FREE): Increment for V_MUST_DEF
        (optype_freelist): Increment its size for V_MUST_DEF
        (allocate_vdef_optype): Replace with...
        (allocate_v_may_def_optype): This.
        (allocate_v_must_def_optype): New function.
        (free_vdefs): Replace with...
        (free_v_may_defs): This.
        (free_v_must_defs): New function.
        (remove_vdefs): Replace with...
        (remove_v_may_defs): This.
        (remove_v_must_defs): New function.
        (init_ssa_operands): Rename occurences of vdef to v_may_def. Also
        add code to initialize build_v_must_defs.
        (finalize_ssa_vdefs): Replace with...
        (finalize_ssa_v_may_defs): This.
        (finalize_ssa_vuses): Rename occurences of vdef to v_may_def.
        (finalize_ssa_v_must_defs): New function.
        (finalize_ssa_stmt_operands): Replace call to finalize_ssa_vdefs
        with calls to finalize_ssa_v_may_defs and finalize_ssa_v_must_defs.
        (verify_start_operands): Rename occurences of vdef to v_may_def.
        Also add check for build_v_must_defs.
        (get_stmt_operands): Rename occurences of vdef to v_may_def.
        Also add code to handle V_MUST_DEFs and to use opf_kill_def for
        killing definitions.
        (get_expr_operands): Update comment and use opf_kill_def for
        killing definitions.
        (add_stmt_operand): Replace code that appends VDEFs with code
        that appends V_MUST_DEFs when opf_kill_def is set and V_MAY_DEFs
        otherwise.
        (add_call_clobber_ops): Update comments.
        * tree-ssa-operands.h (vdef_optype_d): Replace with...
        (v_may_def_optype_d): This.
        (v_must_def_optype_d): New structure.
        (VDEF_OPS): Replace with...
        (V_MAY_DEF_OPS): This.
        (STMT_VDEF_OPS): Same with...
        (STMT_V_MAY_DEF_OPS): This.
        (NUM_VDEFS): And...
        (NUM_V_MAY_DEFS): This.
        (VDEF_RESULT_PTR): As well as...
        (V_MAY_DEF_RESULT_PTR): This.
        (VDEF_RESULT): Same goes for...
        (V_MAY_DEF_RESULT): This.
        (VDEF_OP_PTR): And...
        (V_MAY_DEF_OP_PTR): This.
        (VDEF_OP): And...
        (V_MAY_DEF_OP): This.
        (V_MUST_DEF_OPS): New macro.
        (STMT_V_MUST_DEF_OPS): Ditto.
        (NUM_V_MUST_DEFS): Ditto.
        (V_MUST_DEF_OP_PTR): Ditto.
        (V_MUST_DEF_OP): Ditto.
        (remove_vdefs): Replace signature with...
        (remove_v_may_defs): This.
        (remove_v_must_defs): New function signature.
        * tree-ssa-pre.c (subst_phis): Replace call to remove_vdefs
        with calls to remove_v_may_defs and remove_v_must_defs.
        (process_left_occs_and_kills): Rename occurences of vdef to v_may_def.
        Also add code that marks left occurences of operands in V_MUST_DEFs.
        * tree-tailcall.c (find_tail_calls): Rename occurences of vdef
        to v_may_def. Also add check for V_MUST_DEFs.
        (eliminate_tail_call):Rename occurences of vdef to v_may_def.

2004-06-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/15653
        * haifa-sched.c (schedule_block): Finish cycle after issuing asm
        insn.

2004-06-10  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR web/15263
        * doc/install.texi: Remove superfluous linebreak.

2004-06-10  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin): Fall back to library function call for
        conj, conjf, conjl, creal, crealf, creall, cimag, cimagf and cimagl.
        (fold_builtin_1): Lower built-ins BUILT_IN_CONJ{,F,L} to CONJ_EXPR,
        BUILT_IN_CREAL{,F,L} to REALPART_EXPR, and BUILT_IN_CIMAG{,F,L} to
        IMAGPART_EXPR respectively.

2004-06-10  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (dump_table): New argument start.  Changed caller.
        (fixup_mova): New function.
        (find_barrier): Use it.
        (sh_reorg): Likewise.  Check for CODE_FOR_casesi_worker_2.
        If the label a mova refers to is above the mova itself, change
        the mova into a load.
        * sh.md (*casesi_worker): Rename to:
        (casesi_worker_1).
        (casesi_worker_2): New insn.

2004-06-10  Jason Merrill  <jason@redhat.com>

        * target.h (struct gcc_target): Change gimplify_va_arg_expr
        hook signature.
        * tree-gimple.h: Adjust.
        * config/alpha/alpha.c (alpha_gimplify_va_arg): Adjust.
        * config/i386/i386.c (ix86_gimplify_va_arg): Adjust.
        Use fold_convert.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Adjust.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust.
        Use COMPLEX_EXPR for complex numbers.  Use fold_convert.
        * builtins.c (std_gimplify_va_arg_expr): Adjust.  Use fold_convert.
        (gimplify_va_arg_expr): Return GS_ERROR in error case.
        Gimplify valist rather than calling stabilize_va_list.

2004-06-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (df.o): Remove fibheap dependency.
        * df.h: Do not include sbitmap.h.
        (struct ref): New field "data".
        (DF_REF_DATA): New accessor macro.
        (struct df): Field "dom" removed.
        (df_analyze_subcfg): New function.
        (transfer_function_sbitmap, transfer_function_bitmap): Replaced by ...
        (transfer_function): ... new type.
        (iterative_dataflow_sbitmap, iterative_dataflow_bitmap): Replaced by ...
        (iterative_dataflow): ... new function.
        (enum set_representation, struct dataflow): New.
        * df.c: Do not include fibheap.h.

        (df_reg_def_chain_clean, df_reg_use_chain_clean,
        (df_bb_table_realloc, df_analyse_subcfg, free_reg_ref_chain,
        prune_to_subcfg, df_bb_modify): New functions.
        (df_bitmaps_alloc, df_reg_def_chain_create, df_reg_use_chain_create,
        df_refs_update, df_reg_table_realloc, df_ref_create,
        df_bb_reg_def_chain_create, df_bb_reg_use_chain_create,
        df_bb_rd_local_compute, df_bb_ru_local_compute, df_bb_lr_local_compute,
        df_analyse_1, df_insn_modify): Support analysing only a part of the cfg.

        (dataflow_set_a_op_b, dataflow_set_copy): New functions.
        (df_rd_transfer_function, df_ru_transfer_function,
        df_lr_transfer_function): Type of bitmaps changed to void *.
        (hybrid_search_bitmap, hybrid_search_sbitmap): Merge into ...
        (hybrid_search): ... new function.
        (iterative_dataflow_bitmap, iterative_dataflow_sbitmap): Merge into ...
        (iterative_dataflow): ... new function. Avoid use of fibheaps for
        a worklist.  Do not process basic blocks unnecessarily.

2004-06-10  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_abs_const): Make extern.
        * tree.h (fold_abs_const): Prototype here.
        * builtins.c (fold_builtin_fabs): New function to transform
        fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
        (fold_builtin_abs): New function to transform abs, labs, llabs
        and imaxabs builtins into ABS_EXPR tree nodes.
        (expand_builtin): Fall back to a function call for abs, labs,
        llabs and imaxabs builtins that survive constant folding.
        (fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
        FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.

2004-06-10  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a
        leaf function without unwind info at RP 0.

2004-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/14791
        * tree.h (enum tree_index): Add TI_FILEPTR_TYPE.
        (fileptr_type_node): Define.
        * tree.c (build_common_tree_nodes_2): Initialize
        fileptr_type_node to ptr_type_node.
        * c-common.c (c_common_nodes_and_builtins): For C++, make
        fileptr_type_node a distinct type copy.
        * builtin-types.def (BT_FILEPTR, BT_FN_INT_CONST_STRING_FILEPTR,
        BT_FN_INT_INT_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG,
        BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR,
        BT_FN_INT_FILEPTR_CONST_STRING_VAR): Add.
        (BT_FN_INT_CONST_STRING_PTR, BT_FN_INT_INT_PTR,
        BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, BT_FN_INT_PTR_CONST_STRING_VAR,
        BT_FN_INT_PTR_CONST_STRING_VALIST_ARG): Remove.
        * builtins.def (BUILT_IN_FPRINTF, BUILT_IN_FPRINTF_UNLOCKED,
        BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS,
        BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FSCANF, BUILT_IN_FWRITE,
        BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): Use
        the above *FILEPTR* types instead of *PTR*.

2004-06-09  Daniel Berlin <dberlin@dberlin.org>

        * tree-ssa.c (verify_ssa): Verify that vdefs/makes_aliased_stores
        match.

2004-06-09  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_not_const): New function.
        (fold) <ABS_EXPR>: Don't bother testing wins.
        (fold) <BIT_NOT_EXPR>: Call fold_not_const.
        (nondestructive_fold_unary_to_constant) <BIT_NOT_EXPR>: Likewise.

2004-06-09  Richard Henderson  <rth@redhat.com>

        PR middle-end/15228
        * function.c (assign_parms): Always set_mem_align with the computed
        FUNCTION_ARG_BOUNDARY.  Don't clear stack_parm if !STRICT_ALIGNMENT.

2004-06-09  Richard Henderson  <rth@redhat.com>

        PR opt/15108
        * tree-tailcall.c (find_tail_calls): Don't check early for
        tail_recursion failure.

2004-06-09  Diego Novillo  <dnovillo@redhat.com>

        Move SSA_NAME annotations into tree_ssa_name.

        * tree-dfa.c (create_ssa_name_ann): Remove.
        * tree-flow-inline.h (ssa_name_ann, get_ssa_name_ann): Remove.
        * tree-flow.h (enum tree_ann_type): Remove SSA_NAME_ANN.
        (struct ssa_name_ann_d): Remove.
        (union tree_ann_d): Update.
        (ssa_name_ann_t): Remove.
        * tree-ssa-alias.c: (get_ptr_info): New local function.
        Replace references to ssa_name_ann_t with struct ptr_info_def.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree.h (SSA_NAME_PTR_INFO): Define.
        (struct ptr_info_def): Declare.
        (struct tree_ssa_name): Add field 'ptr_info'.

2004-06-09  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_output_labelref): Correct
        misplaced ')'.

2004-06-09  Steven Bosscher  <stevenb@suse.de>

        * config/i386/k6.md: Rewrite using the DFA model.
        * config/i386/i386.c (ix86_adjust_cost): Don't increase the
        cost of load-operation insns for the K6.
        (ia32_use_dfa_pipeline_interface): Add TARGET_K6.
        (ia32_multipass_dfa_lookahead): Likewise.

2004-06-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1,
        alpha_gimplify_va_arg, TARGET_GIMPLIFY_VA_ARG_EXPR): New.

2004-06-09  Richard Henderson  <rth@redhat.com>

        * expmed.c (emit_store_flag): Cope with FLOAT_STORE_FLAG_VALUE.

2004-06-09  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (CPPLIB_H): Put files in order of inclusion.
        (CPP_ID_DATA_H): New.
        (gtype-desc.o): Update dependencies.
        (GTFILES): Use CPP_ID_DATA_H.

2004-06-09  Mark Mitchell  <mark@codesourcery.com>

        Revert:
        PR c++/15815
        2004-06-07  Mark Mitchell  <mark@codesourcery.com>
        * doc/extend.texi: Deprecate #pragma interface and #pragma
        implementation.

2004-06-09  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.h (MOVE_RATIO): New definition.

2004-06-09  Richard Henderson  <rth@redhat.com>

        * basic-block.h (struct edge_def): Add goto_locus.
        * tree-cfg.c (make_goto_expr_edges): Set it.
        (disband_implicit_edges): Use it.
        * tree-pretty-print.c (dump_implicit_edges): Print it.

2004-06-08  Anil Paranjpe <anilp1@kpitcummins.com>

        * h8300.md (ldm_h8300s_4): Fix condition for expander.

2004-06-08  Jason Merrill  <jason@redhat.com>

        Gimplify VA_ARG_EXPR into simpler forms.
        * target.h: Add gimplify_va_arg_expr hook.
        * target-def.h: Add TARGET_GIMPLIFY_VA_ARG_EXPR.
        * fold-const.c (build_fold_addr_expr)
        (build_fold_addr_expr_with_type): Move from gimplify.c.
        * tree.h: Declare them.
        * gimplify.c (gimplify_and_add): New fn.
        (build_addr_expr, build_addr_expr_with_type): Move to fold-const.c.
        (gimplify_array_ref_to_plus, gimplify_modify_expr)
        (gimplify_expr): Use build_fold_*.
        (copy_if_shared_r): Only mark VA_ARG_EXPR volatile if we
        don't know how to gimplify it.
        * builtins.c (std_gimplify_va_arg_expr): New fn.
        (dummy_object): New static fn.
        (gimplify_va_arg_expr): New fn.
        (stabilize_va_list): Use build_fold_*.
        * tree-gimple.h: Declare new fns.
        * config/i386/i386.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        (ix86_gimplify_va_arg): New fn.
        * config/ia64/ia64.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        (ia64_gimplify_va_arg): New fn.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): New fn.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        * alias.c (get_varargs_alias_set): Just return 0 for now.

        * c-objc-common.c (c_tree_printer): Improve handling of %T.

2004-06-09  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-complex.c (expand_complex_comparison): Use fold_convert instead
        of convert.
        * tree-inline.c (setup_one_parameter): Likewise.
        * tree-sra.c (csc_build_component_ref): Likewise.
        * tree-ssa-ccp.c (ccp_fold): Likewise.
        * tree-ssa-copy.c (cprop_operand): Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.

2004-06-09  J"orn Rennecke <joern.rennecke@superh.com>

        PR rtl-optimization/15521:
        * sched-int.h (in_post_call_group_p): Change type to enum.
        * sched-deps.c (sched_analyze_insn):
        (sched_analyze): When in_post_call_group_p is post_call_initial,
        don't add a dependency, but still set SCHED_GROUP_P and CANT_MOVE,
        and also reset in_post_call_group_p to post_call.
        (sched_analyze): When the previous basic block ended in a CALL_INSN,
        initialize in_post_call_group_p as post_call_initial.
        (init_deps): initialize in_post_call_group_p to not_post_call.

2004-06-09  Arnaud Charlet  <charlet@act-europe.fr>

        PR ada/6637
        * doc/install.texi: List ada, libada as options to --enable-shared

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

        * aclocal.m4 (gcc_AC_PROG_LN): Remove.
        (gcc_AC_CHECK_DECLS): Use AH_TEMPLATE to generate
        config.in entries.
        * configure.ac: Call ACX_PROG_LN, falling back to $LN_S
        if hard links are not available.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-06-08  Per Bothner  <per@bothner.com>

        * configure.ac:  New --enable-mapped-location sets USE_MAPPED_LOCATION.

2004-06-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * toplev.c (floor_log2_wide): Correct casts for 64-bit hosts.
        Correct formatting.

2004-06-08  James E Wilson  <wilson@specifixinc.com>

        PR target/15790
        * config/i386/i386-coff.h (ASM_OUTPUT_ALIGN): Define.

2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_convert): Treat OFFSET_TYPE like
        POINTER_TYPE and INTEGER_TYPE.

2004-06-08  Bernardo Innocenti  <bernie@develer.com>

        * modulo-sched.c: Compile only when INSN_SCHEDULING is
        defined.

2004-06-08  Jeff Law  <law@redhat.com>

        * doc/contrib.texi: Add entries for Stefan Olsson and
        Ola Ronnerup.

2004-06-08  DJ Delorie  <dj@redhat.com>

        * toplev.c (floor_log2_wide): Replace loop with faster bit
        operations.
        (exact_log2_wide): Define in terms of the above.
        * toplev.h (floor_log2): Use _builtin_clz family of builtins if
        available.

2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (print_operand, <case 'z'>):
        Make sure that we are in INDIRECT mode when getting the
        stub name.

2004-06-08  Anil Paranjpe <anilp1@kpitcummins.com>

        * h8300.md (extendqisi2_h8300): Add constraints.
        (ldm_h8300s_4_normal): Fix typo.

2004-06-08  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (struct lower_data): Replace the_return_label and
        one_return_stmt with return_statements.
        (lower_function_body): Process the entire list of return_statements.
        (lower_return_expr): Check source value before unifying return_exprs.
        * gimplify.c (gimplify_return_expr): Force the use of a temporary
        for !aggregate_value_p.
        * tree-gimple.c: Update RETURN_EXPR grammer.

2004-06-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/15598
        * config/ia64/ia64.c (bundling): Add missed TYPE_A.

2004-06-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/15717
        * config/i386/i386.c (legitimate_constant_p): Do not allow
        x - symbol_ref.

2004-06-08  Alexandre Oliva  <aoliva@redhat.com>

        * gimplify.c (copy_if_shared_r): Revert:
        2004-05-21  Richard Henderson  <rth@redhat.com>
        * gimplify.c [...] Don't mark VA_ARG_EXPRs volatile here.

2004-06-07  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (add_cost, neg_cost, sdiv_pow2_cheap, smod_pow2_cheap):
        Make arrays indexed by machine mode.  Rename negate_cost to neg_cost.
        (init_expmed): Initialize these cost arrays as appropriate.
        (store_bit_field, extract_bit_field): Correct whitespace.
        (synth_mult, choose_mult_variant, expand_mult, expand_mult_highpart,
        expand_mult_highpart_optab, expand_divmod): Update uses of add_cost,
        neg_cost, sdiv_pow2_cheap, smod_pow2_cheap to index with mode,
        word_mode or compute_mode as appropriate.

2004-06-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/15783
        * config/sparc/sparc.c (function_arg_union_value): Add 'mode'
        parameter.  Enumerate the registers inside the PARALLEL.
        (function_arg): Adjust call to function_arg_union_value.
        (function_value): Likewise.

        * config/sparc/sparc.c (sparc_function_epilogue): Properly format.

2004-06-07  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_copysign): New function to implement libm's copysign.
        * real.h (real_copysign): Prototype here.
        * fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf
        and sqrtl can be negative, as sqrt(-0.0) = -0.0.  Correct whitespace.
        * builtins.c (fold_builtin_isascii, fold_builtin_toascii,
        fold_builtin_isdigit): Add function prototypes.
        (fold_builtin_copysign): New function to fold copysign, copysignf
        and copysignl.  Optimize copysign(x,x) as x.  Evaluate copysign of
        constant arguments at compile-time using real_copysign.  Fold
        copysign(X,Y) as fabs(X) if Y is always non-negative.
        (fold_builtin_1): Correct minor whitespace/style issues.  Call
        fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}.

2004-06-07  J"orn Rennecke <joern.rennecke@superh.com>

        * tree.c (iterative_hash_expr): Use real_hash.

2004-06-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/14765
        * c-parse.in (compstmt_primary_start): Set last_expr_type to
        NULL_TREE.

2004-06-07  Mark Mitchell  <mark@codesourcery.com>

        PR c++/15815
        * doc/extend.texi: Deprecate #pragma interface and #pragma
        implementation.

2004-06-07  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/15666
        * c-decl.c (finish_decl): Use change_decl_assembler_name for the
        builtin decl as well.

2004-06-07  Roger Sayle  <roger@eyesopen.com>

        PR c/14649
        * c-typeck.c (require_constant_value, require_constant_elements):
        Move declarations to the top of the file.
        (build_function_call): If we require a constant value, fold with
        fold_initializer.  If the result is a constant, and the function
        wasn't called using __builtin_foo, issue a pedantic warning.
        (build_unary_op): If we require a constant value, fold tree with
        fold_initializer.
        (build_binary_op): Use require_constant_value to determine whether
        to call fold or fold_initializer.

2004-06-07  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (struct lower_data): Add the_return_label and
        one_return_stmt.
        (lower_function_body): Initialize and use them.
        (lower_return_expr): New.
        (lower_stmt): Call it.
        * gimplify.c (gimplify_return_expr): Force the argument to be either
        null or a result_decl.
        * tree-gimple.c: Update gimple grammer to match.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Deny
        coalescing of result_decls.

2004-06-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/15193
        * expmed.c (extract_bit_field): Fix vector_extract return.

        * config/i386/i386.md (negv4sf2): New pattern.

2004-06-07  Mark Mitchell  <mark@codesourcery.com>

        PR c++/15337
        * c-common.c (c_sizeof_or_alignof_type): Use more detailed error
        message.

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

        * config.in: Regenerate.

2004-06-06  Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (tree_verify_flow_info): Make sure that labels in
        SWITCH_LABELS are always sorted.

2004-06-06  Steven Bosscher  <stevenb@suse.de>

        * hooks.c (hook_int_void_1): New generic hook.
        * hooks.h (hook_int_void_1): Add prototype.
        * config/c4x/c4x.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define to hook_int_void_1.
        * config/c4x/c4x.md: Replace dummies for the old pipeline model
        with dummies for the new one.

2004-06-06  Roger Sayle  <roger@eyesopen.com>

        * tree.h (lvalue_or_else): Delete function prototype.
        * c-typeck.c (lvalue_or_else): Make static.  Add static prototype.

2004-06-06  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/14542
        * config/m68hc11/m68hc11.md (move peephole2): Emit a use note to avoid
        a live change of a register after peephole replacement.

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

        PR c/13519
        * c-typeck.c (composite_type, common_pointer_type): New functions.
        (common_type): Split parts into composite_type and
        common_pointer_type.  Ensure that arithmetic operations return
        unqualified types without attributes.  Don't make composite type
        of signed enum and compatible integer be unsigned.
        (build_conditional_expr, build_binary_op): Use
        common_pointer_type.
        * c-decl.c (merge_decls): Use composite_type.
        * c-tree.h (composite_type): Declare.

2004-06-06  Stephane Carrez  <stcarrez@nerim.fr>

        PR target/14457
        * config/m68hc11/m68hc11.c (splitable_operand): New predicate.
        * config/m68hc11/m68hc11-protos.h (splitable_operand): Declare.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register it.
        (inhibit_libc): Must define.
        * config/m68hc11/m68hc11.md ("movhi_const0"): Use splitable_operand.
        ("*andhi3_gen", "iorhi3", "*iorhi3_gen"): Likewise.
        ("xorhi3"): Likewise.

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

        * cgraphunit.c (cgraph_decide_inlining): Adjust dump lines in
        always_inline pass.

2004-06-05  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/linux.h (TARGET_C99_FUNCTIONS): Set.
        * config/sparc/linux64.h (TARGET_C99_FUNCTIONS): Likewise.

2004-06-05  Bernardo Innocenti  <bernie@develer.com>

        * regclass.c (init_reg_sets): Check for missing registers in target
        initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.

2004-06-05  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (MKDEPS_H): New shorthand.
        (c-opts.o): Update dependencies.
        * c-opts.c: Include mkdeps.h.
        (handle_deferred_opts): Use cpp_get_deps and deps_add_target,
        not cpp_add_dependency_target.

2004-06-05  Steven Bosscher  <stevenb@suse.de>

        * config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
        * config/v850/v850.md: Convert to DFA scheduler description.

2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        PR fortran/15478
        * doc/install.texi: Document GMP as prerequisite. Document
        --with-gmp and --with-gmp-dir configure options.
        * fortran/gfortran.texi: Remove section "Compiling and testing",
        remove TOC reference to it.

2004-06-05  Graham Stott  <graham.stott@btinternet.com>

        * combine.c(simplify_shift_const): Check shift amount is a
        CONST_INT.

2004-06-05  Danny Smith  <dannysmith@users.sourceforge.net>

        * toplev.c (init_asm_output): Add explicit 'b' to mode when
        opening asm_out_file.
        * c-pch.c (c_common_write_pch): Remove unnecessary fflush before
        reading asm_out_file. Replace fflush after reading asm_out_file
        with fseek.
        * hosthooks-def.h (HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY): Define
        default and add to HOST_HOOKS_INITIALIZER.
        * hosthooks.h (gt_pch_alloc_granularity): Declare hook function.
        * ggc-common.c (default_gt_pch_alloc_granularity): New function.
        (gt_pch_save): Use host_hooks.gt_pch_alloc_granularity
        to set mmi.offset padding.
         * config.gcc (i[34567]86-*-mingw32*): Set target_gtfiles to
        $(srcdir)/config/i386/winnt.c.
        (i[34567]86-*-pe | i[34567]86-*-cygwin*): Likewise.
        (i[34567]86-*-uwin*): Likewise.
        *i[34567]86-*-interix3*): Likewise.
        * config.host (i[34567]86-*-mingw32*): Set out_host_hook_obj.
        * config/i386/host-mingw32.c: New file.
        * config/i386/x-mingw32: Add rule for host-mingw32.o.
        * config/i386/winnt.c: (struct extern_list) Tag as GTY.
        (extern_head): Likewise.
        (struct export_list) Likewise.
        (export_head): Likewise.
        (i386_pe_record_external_function): Use ggc_alloc.
        (i386_pe_record_exported_symbol): Likewise.
        Include "gt-winnt.h" at end.
        * doc/hostconfig.texi: Document
        HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY.

2004-06-04  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h: Remove comments copied over from tm.texi.
        Rename 68000 and 68k to m68k for consistency in comments.  Remove
        trailing whitespace before EOLs and before TABs.
        (MAX_CODE_ALIGN): Remove unused macro.
        (CALL_USED_REGISTERS): Reformat and add comments.

2004-06-04  Frank Ch. Eigler  <fche@redhat.com>

        * gcc.c (MFLIB_SPEC): Remove library references, to require users
        to enumerate -lmudflap* and dependencies when linking.

2004-06-04  Paolo Bonzini  <bonzini@gnu.org>

        PR target/15822
        * dojump.c (do_jump): Fix uninitialized variable tcode1.

2004-06-04  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (insn-conditions.o): Back out removal of reload.h.
        * genconditions.c (write_header): Back out removal of reload.h.

2004-06-04  Jan Hubicka  <jh@suse.cz>

        Re-apply hopefully fixed patch:
        * i386.md (UNSPECV_EH_RETURN): Kill.
        (eh_return): Use jump_insn.
        (eh_return_si, eh_return_di): Change pattern to jump instruction.

2004-06-04  Jeff Law  <law@redhat.com>

        * cfgrtl.c (try_redirect_by_replacing_jump): Fix return value.

2004-06-04  Steven Bosscher  <stevenb@suse.de>

        * except.c (for_each_eh_region): New function.
        * except.h (for_each_eh_region): Add a prototype for it.
        * tree-cfg.c (update_eh_labels): New function, callback for
        for_each_eh_region.
        (label_for_bb): Make global static, unfortunately.
        (cleanup_dead_labels): Also update label references for
        exception regions.

2004-06-03  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.c (struct irix_section_align_entry): Fix
        GTY marker.

2004-06-03  Geoffrey Keating  <geoffk@apple.com>

        * toplev.c (check_global_declarations): Don't ask for
        DECL_ASSEMBLER_NAME unless the function really is declared
        static and not defined.

2004-06-03  Matt Austern  <austern@apple.com>

        PR c++/15428
        * default.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New name
        for TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, with reversed sense.
        * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Likewise.
        * doc/tm.texi (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Rewrite
        documentation to reflect the new macro name and to clarify its
        meaning.

2004-06-03  Steven Bosscher  <stevenb@suse.de>

        * rtl.def (VAR_LOCATION): Make RTX_EXTRA.

2004-06-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.c (machopic_indirect_data_reference): Copy
        the SYMBOL_REF_DECL from the original RTX for the new
        non-lazy pointer RTX.

2004-06-03  Mark G. Adams  <mark.g.adams@sympatico.ca>

        * tree.h: Remove include of version.h
        * c-cppbuiltin.c: Include version.h
        * diagnostic.c: Include version.h
        * dwarf2out.c: Include version.h
        * toplev.c: Include version.h
        * vmsdbgout.c: Include version.h
        * Makefile.in: Remove dependency on version.h from TREE_H, and
        add dependencies to required .o targets

2004-06-03  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (RA_H, RESOURCE_H, SCHED_INT_H, CFGLAYOUT_H,
        CFGLOOP_H, DF_H, DDG_H, TREE_SSA_LIVE_H): New.
        (TARGET_H): Add insn-modes.h.
        (tree-ssa.o, tree-cfg.o, tree-ssa-loop.o, toplev.o, passes.o,
        loop.o, loop-doloop.o, unroll.o, cfgloop.o, cfgloopanal.o,
        loop-iv.o, cfgloopmanip.o, loop-init.o, loop-unswitch.o,
        loop-unroll.o, ddg.o, modulo-sched.o, predict.o,
        cfglayout.o, ifcvt.o): Replace cfgloop.h with CFGLOOP_H.
        (toplev.o, passes.o, cfghooks.o, cfgloopmanip.o, loop-init.o,
        loop-unswitch.o, loop-unroll.o, ddg.o, modulo-sched.o,
        bb-reorder.o, tracer.o, cfglayout.o): Replace cfglayout.h with
        CFGLAYOUT_H.
        (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, ra-rewrite.o):
        Replace ra.h with RA_H.
        (resource.o, regrename.o, insn-conditions.o, insn-emit.o,
        insn-recog.o): Replace resource.h with RESOURCE_H.
        (ddg.o, modulo-sched.o, haifa-sched.o, sched-deps.o, sched-rgn.o,
        sched-ebb.o, sched-vis.o, out_object_file):  Replace sched-int.h
        with SCHED_INT_H.
        (web.o, lcm.o, df.o, ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
        ra-rewrite.o): Replace df.h with DF_H.
        (ddg.o, modulo-sched.o): Replace ddf.h with DDG_H.
        (tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-copyrename.o):
        Replace tree-ssa-live.h with TREE_SSA_LIVE_H.
        (insn-conditions.o): Remove unused reload.h.
        * cfglayout.h: Add include guard.  Include basic-block.h.
        * cfgloop.h: Add include guard.  Include basic-block.h, rtl.h.
        * ddg.h: Include sbitmap.h, basic-block.h, df.h.
        * df.h: Add include guard.  Include bitmap.h, sbitmap.h,
        basic-block.h.
        * genconditions.c:  Remove reload.h.
        * ra.h: Add include guard.  Include bitmap.h, sbitmap.h,
        hard-reg-set.h, insn-modes.h.
        * resource.h: Add include guard.  Include hard-reg-set.h.
        * sched-int.h:  Add include guard.  Include insn-attr.h,
        basic-block.h, rtl.h.
        * target.h: Add include guard.  Include insn-modes.h.
        * tree-ssa-live.h: Include partition.h.

2004-06-03  Daniel Berlin  <dberlin@dberlin.org>
                Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree-ssa-ccp.c (varying_ssa_edges): New worklist.
        (add_var_to_ssa_edges_worklist): Add value argument.
        Update callers.
        Use new worklist.
        (process_ssa_edge_worklist): New function.
        (tree_ssa_ccp): Move worklist processing core to
        process_ssa_edge_worklist, and just call that for the two worklists.

2004-06-03  Steven Bosscher  <stevenb@suse.de>

        * basic-block.c (tail_recursion_label_list): Don't declare.
        (CLEANUP_PRE_SIBCALL): Remove.  Renumber the other CLEANUP_*
        accordingly.
        * cfgbuild.c (find_label_refs): Remove.
        (find_basic_blocks_1): Don't handle CALL_PLACEHOLDER insns.
        * cfgcleanup.c (tail_recursion_label_p): Remove.
        (merge_blocks_move): Do not check for tail recursion.
        (try_optimize_cfg): Likewise.
        (cleanup_cfg): Never handle CLEANUP_PRE_SIBCALL.
        * cfgrtl.c (tail_recursion_label_list): Remove.
        * except.c (remove_unreachable_regions): Don't handle
        CALL_PLACEHOLDER insns.
        (convert_from_eh_region_ranges_1, can_throw_internal,
        can_throw_external): Likewise.
        * function.c (free_after_compilation): Don't clear
        x_tail_recursion_label.
        (fixup_var_refs_insns): Don't handle CALL_PLACEHOLDER insns.
        (identify_blocks_1): Don't recurse for CALL_PLACEHOLDER insns.
        (reorder_blocks_1): Likewise.
        * function.h (struct function): Remove x_tail_recursion_label
        member.  Don't define tail_recursion_label.
        * jump.c (mark_all_labels): Don't handle CALL_PLACEHOLDER insns.
        * print-rtl.c (print_rtx): Likewise.
        * rtl.def (CALL_PLACEHOLDER): Remove.
        * rtl.h (sibcall_use_t): Remove enum.
        (optimize_sibling_and_tail_recursive_calls,
        replace_call_placeholder): Remove function prototypes.
        * stmt.c (tail_recursion_args): Remove.
        (optimize_tail_recursion): Remove.
        (expand_return): Don't check for possible tail recursion.
        * tree.h (optimize_tail_recursion): Remove prototype.

2004-06-02  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (tree_find_edge_insert_loc):  Allow inserting before
        return_stmt.

2004-06-02  Jason Merrill  <jason@redhat.com>

        * Makefile.in (TAGS): Don't mess with c-parse.[ch].
        Do include c-parse.in.

2004-06-02  Eric Christopher  <echristo@redhat.com>

        * c-typeck.c (common_type): Don't lose type qualifiers
        when creating new variants.

2004-06-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-optimization/14042
        PR tree-optimization/14729
        PR tree-optimization/14736
        * tree-ssa.c (tree_ssa_useless_type_conversion_1):
        Check the type which the pointer points to
        instead of the pointer types.

2004-06-02  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/15738.
        * builtins.c (fold_builtin_strchr): Transform
        strrchr (s, '\0') to strchr (s, '\0').

2004-06-02  Steven Bosscher  <stevenb@suse.de>

        * i386.c (ix86_adjust_cost): Don't increase the cost for
        load+operation for PROCESSOR_PENTIUMPRO, it is already
        modelled in the DFA description

2004-06-01  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (EXPR_H): Add insn-config.h, function.h,
        $(RTL_H), flags.h, $(TREE_H), $(MACHMODE_H), $(EXPR_H).
        (ALIAS_H, EMIT_RTL_H): New.
        (cselib.o): Replace EXPR_H with EMIT_RTL_H.
        (cfgcleanup.o): Add EMIT_RTL_H.
        (alias.o): Replace EXPR_H with EMIT_RTL_H and ALIAS_H.
        * alias.c: Replace expr.h with emit-rtl.h and alias.h.
        * attribs.c, c-lex.c, c-obj-common.c, c-semantics.c: Remove expr.h.
        * cfgcleanup.c, cselib.c: Replace expr.h with emit-rtl.h.
        * expr.h: Add include guard.  Include function.h, rtl.h, flags.h,
        tree.h, machmode.h, insn-config.h, alias.h, emit-rtl.h.
        (get_varargs_alias_set, get_frame_alias_set, record_base_value,
        record_alias_subset, new_alias_set, can_address_p): Move to alias.h.
        (set_mem_alias_set, set_mem_align, set_mem_expr, set_mem_offset,
        set_mem_size): Move to emit-rtl.h.
        * emit-rtl.h: New.
        * alias.h: New.

2004-06-01  Eric Botcazou  <ebotcazou@act-europe.fr>

        * function.c (walk_fixup_memory_subreg): New parameter 'var'.
        Call fixup_memory_subreg only if the MEM is equal to 'var'.
        Adjust recursive calls to self.
        (fixup_var_refs_insn): Pass 'var' to walk_fixup_memory_subreg.

2004-06-01  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * c-parse.in (OFFSETOF, offsetof_member_designator): New.
        (primary): Handle offsetof.  Add error productions for faux functions.
        Move component_ref objc checking to build_component_ref.
        (reswords): Add offsetof.
        (rid_to_yy): Add offsetof.
        * c-tree.h (build_offsetof): Declare.
        * c-common.h (objc_is_public): Declare.
        * c-typeck.c (build_component_ref): Check objc_is_public.
        (build_offsetof): New.
        * stub-objc.c (objc_is_public): New.
        * objc/objc-act.c, objc/objc-act.h (objc_is_public): Rename
        from is_public.
        * ginclude/stddef.h (offsetof): Use __builtin_offsetof.
        * doc/extend.texi (Offsetof): Move from C++ section to C section
        and rewrite for __builtin_offsetof.

2004-06-01  Peter Barada  <peter@the-baradas.com>
            Peter Jakubek  <peter@laseranimation.com>

        * config/m68k/m68k.c(m68k_output_mi_thunk):  For ColdFire, use %d0 as
        a scratch to perform an add to memory.

2004-06-01  Bernardo Innocenti  <bernie@develer.com>

        PR target/14018
        * config/m68k/m68k.c (m68k_align_loops_string, m68k_align_jumps_string,
        m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
        m68k_align_funcs): Remove.
        (override_options): Remove code to handle -malign-* options.
        * config/m68k/m68k.h (TARGET_OPTIONS): Remove -malign-* options.
        (FUNCTION_BOUNDARY, LOOP_ALIGN, LOOP_ALIGN_AFTER_BARRIER): Remove.
        (m68k_align_loops_string, m68k_align_jumps_string,
        m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
        m68k_align_funcs): Remove definitions.

2004-06-01  Paul Eggert  <eggert@cs.ucla.edu>

        PR target/15626
        * doc/install.texi (sparc-sun-solaris2*): Document messages issued
        by the Sun linker in conjunction with the Sun assembler.
        (sparc-sun-solaris2.7): Update revision info for Sun patch 106950.

2004-06-01  Jeff Law  <law@redhat.com>

        * stmt.c (expand_decl): Be more selective about calling
        mark_reg_pointer.

2004-06-01  Nicola Pero  <nicola@brainstorm.co.uk>

        PR objc/7993
        * objc-act.c (is_private): Do not emit the 'instance variable %s
        is declared private' error.
        (is_public): Emit the error after calling is_private.
        (lookup_objc_ivar): If the instance variable is private, return 0
        - the instance variable is invisible here.

2004-06-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (-static-libgcc): Explicitly mention
        non-GNU linkers.

2004-06-01  Bernardo Innocenti  <bernie@develer.com>

        PR target/12968
        * doc/invoke.texi: Document stack alignment side-effect of -mshort.

2004-05-31  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15749
        * c-decl.c (grokdeclarator, finish_struct): Don't pedwarn for
        misuses of structures with flexible array members if
        in_system_header.

2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/15693
        * config/sparc/sparc.c (compare_operand): New predicate.
        * config/sparc/sparc.h (PREDICATE_CODES): Add it.
        * config/sparc/sparc.md (cmpsi expander): Use it.  If the first
        operand is a ZERO_EXTRACT and the second operand is not zero,
        force the former to a register.
        (cmpdi expander): Likewise.

2004-05-31  Geoffrey Keating  <geoffk@apple.com>

        * gengtype-lex.l: Catch stray GTY markers in the files gengtype
        looks at.
        * alias.c (alias_invariant_size): Make alias_invariant_size
        static, fix GTY marker.

2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/15743.
        * builtins.c (fold_builtin_1): Fold index() and rindex().

2004-05-31  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/15069
        * fold-const.c (fold_single_bit_test): Only perform "(X & C) != 0"
        into "X < 0" (where C is the signbit) if X's type is a full mode.

2004-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Disable the peephole2 patterns that generate indexed
        floating-point stores when indexing is disabled.

2004-05-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (pp_c_left_bracket): Make a function.
        (pp_c_right_bracket): Likewise.
        (pp_c_star): Likewise.
        (pp_c_ampersand): Define.
        * c-pretty-print.h (pp_c_left_bracket): Declare.
        (pp_c_right_bracket): Likewise.
        (pp_c_star): Likewise.
        (pp_c_ampersand): Likewise.

2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sol2.h (__enable_execute_stack): ANSIfy function
        definition.

2004-05-31  Danny Smith  <dannysmith@users.sourceforge.net>

        * c-incpath.c (add_path): Canonicalize paths to use '/' if
        HAVE_DOS_BASED_FILESYSTEM.

2004-05-31  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
        Only look at case labels if the immediate dominator is also
        the only predecessor.  Don't look for more case labels if the
        first seen is a case range.

2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c: Add a prototype for fold_builtin_strchr().

2004-05-31  Paolo Bonzini  <bonzini@gnu.org>

        Revert this patch:
        2004-05-27  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (gen_binary): Remove.
        (known_cond, simplify_shift_const
        find_split_point, combine_simplify_rtx,
        simplify_if_then_else, simplify_set,
        simplify_logical, expand_field_assignment,
        extract_left_shift, force_to_mode,
        if_then_else_cond, apply_distributive_law,
        simplify_and_const_int, simplify_shift_const,
        gen_lowpart_for_combine, simplify_comparison,
        reversed_comparison): Replace with
        simplify_gen_binary, simplify_gen_relational or
        distribute_and_simplify_rtx.
        (distribute_and_simplify_rtx): New function.

2004-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (emit_move_sequence): Fix loading of non 14-bit CONST operands
        when generating PIC code.

2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-decl.c (c_expand_body_1): Remove and fold back into ...
        (c_expand_body): here.
        (c_expand_decl): Move to ...
        * c-common.c (c_expand_decl): Here and remove check for nested
        functions.
        * c-common.h (c_expand_decl): Add prototype.
        * c-tree.h (c_expand_decl): Remove.

2004-05-30  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (combine_comparisons, optimize_bit_field_compare,
        range_binop, fold_truthop, fold_binary_op_with_conditional_arg,
        fold_mathfn_compare, fold_inf_compare, fold,
        fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
        Use constant_boolean_node where appropriate.  Don't bother using
        fold_convert on the second argument to omit_one_operand.

2004-05-30  Roger Sayle  <roger@eyesopen.com>

        * doc/c-tree.texi (Expressions): Document FLOOR_DIV_EXPR,
        CEIL_DIV_EXPR, ROUND_DIV_EXPR, FLOOR_MOD_EXPR, CEIL_MOD_EXPR,
        ROUND_MOD_EXPR, EXACT_DIV_EXPR.  Improve documentation of
        TRUNC_DIV_EXPR, TRUNC_MOD_EXPR and comparison operations.
        Add missing (but documented) tree nodes to the index.

2004-05-30  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/14819
        * builtins.c (fold_builtin_strchr): New.
        (fold_builtin_1): Handle BUILT_IN_STRCHR and BUILT_IN_STRRCHR
        with fold_builtin_strchr().

2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, builtins.c, c-common.c, c-gimplify.c,
        c-incpath.c, cgraphunit.c, ddg.c, defaults.h, dwarf2out.c,
        expmed.c, flags.h, gcc.c, gensupport.c, gimplify.c, global.c,
        passes.c, reg-stack.c, target.h, toplev.c, tree-alias-ander.c,
        tree-alias-common.c, tree-cfg.c, tree-complex.c, tree-dfa.c,
        tree-eh.c, tree-mudflap.c, tree-mudflap.h, tree-outof-ssa.c,
        tree-phinodes.c, tree-pretty-print.c, tree-ssa-alias.c,
        tree-ssa-ccp.c, tree-ssa-live.c, tree-ssa-live.h,
        tree-ssa-pre.c, tree.h, value-prof.h, varasm.c: Fix comment
        formatting.

2004-05-30  Steven Bosscher  <stevenb@suse.de>

        * gimplify.c (sort_case_labels): New.  Split out from...
        (gimplify_switch_expr): ...here.  Use it.
        * tree-eh.c (lower_try_finally_switch): Sort the labels of
        the SWITCH_EXPR created here before leaving the function.
        * tree.c (sort_case_labels): Add prototype.

2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold) [case TRUTH_NOT_EXPR]: Make sure the type is
        of BOOLEAN_TYPE.

2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, calls.c, cfgcleanup.c, cgraph.c, cgraphunit.c,
        ddg.c, ddg.h, df.c, df.h, except.c, expr.c, flags.h,
        fold-const.c, gcc.c, gimplify.c, haifa-sched.c,
        modulo-sched.c, tree-inline.c, tree-into-ssa.c, tree-nested.c,
        tree-nrv.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-live.c,
        tree-ssa-loop.c, tree-ssa-pre.c, tree-tailcall.c, tree.h: Fix
        comment typos.  Follow spelling conventions.

2004-05-29  Geoffrey Keating  <geoffk@apple.com>

        * gengtype-yacc.y: Add NESTED_PTR token.
        (option): Record `nested_ptr' option.
        * gengtype-lex.l: Handle `nested_ptr' keyword.
        * gengtype.c (walk_type): Process `nested_ptr' option.
        * gengtype.h (struct nested_ptr_data): New.
        * doc/gty.texi (GTY Options): Document `nested_ptr' option.
        * stringpool.c (struct string_pool_data): Make 'entries' point to
        ht_identifier instead of tree.
        (gt_pch_save_stringpool): Don't adjust pointers.
        (gt_pch_restore_stringpool): Call ht_load.

2004-05-29  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_expr): Don't build a statement list
        if no gimplification was necessary.

2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>

        * pretty-print.c (pp_base_format_text): Support %< instead of %`
        and %> as well as %'.
        * c-format.c: Use %< and %>.
        (gcc_diag_char_table, gcc_cdiag_char_table,
        gcc_cxxdiag_char_table): Update.

2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (common_type): Correct comment.

2004-05-29  Peter Barada  <peter@the-baradas.com>

        * config/m68k/m68k.c (CONST_METHOD): Add MVZ, MVS.
        * config/m68k/m68k.c (const_method): Likewise.
        * config/m68k/m68k.c (const_int_cost): Likewise.
        * config/m68k/m68k.c (const_int_cost): Likewise.
        * config/m68k/m68k.c (output_move_const_into_data_reg): Likewise.

2004-05-29  Peter Barada  <peter@the-baradas.com>

        * config/m68k/m68k.h (EXTRA_CONSTRAINT): add 'U' for register offset
        addressing.
        * config/m68k/m68k.md: Add 'U,U' alternative to ColdFire variants of
        movsi,movhi,movqi insn patterns.

2004-05-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-semantics.c (emit_local_var): Remove code for DECL_INITIAL.

        PR target/15720
        * config/darwin.c (machopic_indirect_call_target): Copy
        the SYMBOL_REF_DECL from the original RTX for the new
        stub RTX.

2004-05-28  DJ Delorie  <dj@redhat.com>

        * stor-layout.c (place_field): Revert erroneous commit.

2004-05-28  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vec_ctf, vec_vcfsx, vec_vcfux, vec_cts,
        vec_ctu, vec_dss, vec_dst, vec_dstst, vec_dststt, vec_dstt, vec_ld,
        vec_ldl, vec_lvsl, vec_lvsr, vec_sld, vec_splat, vec_vspltw,
        vec_vsplth, vec_vspltb, vec_splat_s8, vec_splat_s16, vec_splat_s32,
        vec_splat_u8, vec_splat_u16, vec_splat_u32, vec_st, vec_stl,
        vec_ste): Remove type checks for integral parameters and literals
        from '..._args_eq' macros.

2004-05-28  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.c (fname_as_string): Fix xcalloc to xmalloc.

2004-05-28  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/g++.dg/charset/function.cc: New.

        * testsuite/gcc.dg/charset/function.c: New.

        * c-decl.c (c_make_fname_decl): Free return value from
        fname_as_string.

        * cp/decl.c (cp_make_fname_decl): Free return value from
        fname_as_string.

        * c-common.c (fname_as_string): Translate if necessary.

2004-05-28  Geoffrey Keating  <geoffk@apple.com>

        * stringpool.c: Add comments to PCH saving/restoring routines.

2004-05-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-common.c (c_estimate_num_insns_1): Kill.
        (c_estimate_num_insns): Kill.
        * c-common.h (c_estimate_num_insns): Kill.

        * gthr-posix.h: Check for _POSIX_PRIORITY_SCHEDULING
        when checking for _POSIX_THREAD_PRIORITY_SCHEDULING.
        Remove comment about not checking for
        _POSIX_PRIORITY_SCHEDULING.
        * gthr-posix.c: Likewise.

2004-05-28  Paolo Bonzini  <bonzini@gnu.org>
            Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/15649
        Add LTGT_EXPR and improve pretty-printing of unordered
        comparisons.
        * c-common.c (c_common_truthvalue_conversion):
        Handle LTGT_EXPR.
        * c-typeck.c (build_binary_op): Likewise.
        * dojump.c (do_jump): Likewise.
        * expr.c (expand_expr_real_1, do_store_flag): Likewise.
        * predict.c (tree_predict_by_opcode): Likewise.
        * real.c (real_compare): Likewise.
        * tree-cfg.c (verify_expr): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        Handle ORDERED_EXPR, UNORDERED_EXPR.
        (op_symbol): Print unordered comparisons differently
        than ordered ones.
        * tree.def (LTGT_EXPR): New '<' tree code.
        * doc/c-tree.texi (Expressions): Document floating-point
        comparison nodes.

        Fold comparisons between floating point values.
        * fold-const.c (enum comparison_code): New, from
        #define'd constants.  Define compcodes for unordered
        comparisons and for invalid transformations.
        (invert_tree_comparison): Add "honor_nans" parameter.
        (fold_truthop): Revamp to work on floating-point types too.
        (comparison_to_compcode): Support unordered comparisons.
        Use new enum comparison_code.
        (compcode_to_comparison): Likewise.
        (combine_compcodes): New function.
        (invert_truthvalue): Let invert_tree_comparison decide
        whether it is valid to fold the comparison.  Fold ORDERED
        and UNORDERED even if flag_unsafe_math_optimizations is off,
        and the remaining even if flag_unsafe_math_optimizations
        is off but we are under -fno-trapping-math.
        (fold_relational_const): Integer modes do not honor NaNs.

2004-05-28  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_output_epilogue): Remove redundant code.

2004-05-28  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_force_lr_save): New function.
        (arm_get_frame_offsets, thumb_unexpanded_epilogue,
        thumb_output_function_prologue): Use it.
        (thumb_expand_prologue): Set lr_save_eliminated.

2004-05-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (extendsidi2): Tie the source and destination
        of the register alternative.  Split it into nothing.

2004-05-28  Richard Sandiford  <rsandifo@redhat.com>

        * rtl.h (skip_consecutive_labels): Declare.
        * emit-rtl.c (skip_consecutive_labels): New function.
        * reorg.c (relax_delay_slots, dbr_schedule): Use it.
        * jump.c (follow_jumps): Say what null return values mean.

2004-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/13250
        * config/sh/sh.md (rotlsi3): Use emit_move_insn.

2004-05-27  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-linux (SHLIB_MAPFILES): Use sh specific
        libgcc-std.ver.
        * config/sh/libgcc-std.ver: New file.

2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>

        * except.c: Revert change of 2004-05-26.
        * config/i386/i386.md: Revert change of 2004-05-27.

2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>

        * configure.ac: Remove --enable-tree-browser option.
        Define TREEBROWSER when ac_tree_checking is defined.
        * configure: Rebuilt.

2004-05-27  Olivier Hainque  <hainque@act-europe.fr>

        * expr.c (store_constructor): Restore sanity check on
        the size of the type before clearing.

2004-05-27  Jan Hubicka  <jh@suse.cz>

        * cfgbuild.c (control_flow_insn_p):  Notice noreturn call

2004-05-27  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (gen_binary): Remove.
        (known_cond, simplify_shift_const
        find_split_point, combine_simplify_rtx,
        simplify_if_then_else, simplify_set,
        simplify_logical, expand_field_assignment,
        extract_left_shift, force_to_mode,
        if_then_else_cond, apply_distributive_law,
        simplify_and_const_int, simplify_shift_const,
        gen_lowpart_for_combine, simplify_comparison,
        reversed_comparison): Replace with
        simplify_gen_binary, simplify_gen_relational or
        distribute_and_simplify_rtx.
        (distribute_and_simplify_rtx): New function.
        * simplify-rtx.c (simplify_binary_operation):
        Use nonzero_bits to simplify ANDs where we are
        turning off bits already known to be off in OP0.

2004-05-27  Alan Modra  <amodra@bigpond.net.au>

        PR target/14478
        * config/rs6000/rs6000.c (reg_or_neg_short_operand): Don't allow zero.

2004-05-27  Josef Zlomek  <zlomekj@suse.cz>

        PR middle-end/14084
        * emit-rtl.c (gen_rtx_REG_offset): Adjust the offset according
        to size of decl.

2004-05-26  Aldy Hernandez  <aldyh@redhat.com>

        PR/14924
        * config/rs6000/rs6000.c (spe_expand_stv_builtin): New.

2004-05-26  Roger Sayle  <roger@eyesopen.com>

        * tree.h: Fix comment typo.

2004-05-27  Steven Bosscher  <stevenb@suse.de>

        * gimplify.c (compare_case_labels): New function.
        (gimplify_switch_expr): Sort case labels, and make sure the
        last label in the label vector is the default case.
        * tree-cfg.c (group_case_labels): New function.
        (build_tree_cfg): Cleanup redundant labels and group case labels
        before creating edges.
        (cleanup_dead_labels): Handle GOTO_EXPRs.
        (find_case_label_for_value): Use a binary search to find the
        case label for the given value.
        * tree-gimple.c: Mention that labels are sorted, and that the
        last label must be the default.

2004-05-27  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_optimize_cfg): Do not merge across jumptables.

2004-05-27  Jan Hubicka  <jh@suse.cz>

        * i386.md (UNSPECV_EH_RETURN): Kill.
        (eh_return): Use jump_insn.
        (eh_return_si, eh_return_di): Change pattern to jump instruction.

2004-05-26  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges):  Do not check loop structure when
        not loop optimizing.

2004-05-26  Jan Hubicka  <jh@suse.cz>

        * except.c (can_throw_internal):  Notice RESX instructions.

2004-05-26  Eric Botcazou  <ebotcazou@act-europe.fr>

        * varasm.c (output_constant) <INTEGER_TYPE>: Pass the minimum
        of the two sizes to assemble_integer.

2004-05-25  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_exit, thumb_unexpanded_epilogue): Remove
        pointless #ifdef.

2004-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (top_builddir): Define to .

2004-05-25  Alexandre Oliva  <aoliva@redhat.com>

        * configure.ac (gcc_cv_ld): Prefer in-tree ld over whatever the
        top-level detects, except when in-tree ld is being cross-built.
        (gcc_cv_as): Likewise for as.  Use AS_FOR_TARGET otherwise, and
        then AS only if target is host.
        * configure: Rebuilt.

2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>

        * global.c (global_alloc): Call make_accurate_live_analysis.
        (record_one_conflict): Remove dead code.
        (mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
        (bb_info): New structure.
        (BB_INFO, BB_INFO_BY_INDEX): New macros.
        (allocate_bb_info, free_bb_info, mark_reg_change,
        calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
        modify_bb_reg_pav, calculate_reg_pav,
        make_accurate_live_analysis): New functions.

2004-05-25  Devang Patel  <dpatel@apple.com>

        * alias.c (init_alias_analysis): Use ggc_calloc instead of
        xrealloc.
        (end_alias_analysis): Use ggc_free instead fo free.

2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/15546
        * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
        as needed to be outputted.

2004-05-25  Jan Hubicka  <jh@suse.cz>

        * builtins.def (__builtin_expect):  Mark the function as const&nothrow.

2004-05-25  Ayal Zaks  <zaks@il.ibm.com>
        Mostafa Hagog  <mustafa@il.ibm.com>

        * Makefile.in (modulo-sched.o, ddg.o): New.
        * ddg.h, ddg.c, modulo-sched.c: New files.
        * cfglayout.c (duplicate_insn_chain): Remove "static" and push
        internals to "dupicate_insn".
        (duplicate_insn): New function.
        * cfglayout.h (duplicate_insn_chain, duplicate_insn): New
        declarations.
        * common.opt (fmodulo-sched): New flag.
        * df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
        Remove static and forward declaration.
        (df_find_def, df_reg_used, df_bb_regno_last_def_find): New
        functions.
        * df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
        df_bb_regno_last_def_find, df_find_def, df_reg_used): New
        declarations.
        * flags.h (flag_modulo_sched): New flag.
        * opts.c (common_handle_option): Handle modulo-sched flag.
        * params.def (max-sms-loop-number, sms-max-ii-factor,
        sms-dfa-history, sms-loop-average-count-threshold): New
        parameters.
        * params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
        SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
        parameters.
        * passes.c ("sms", "sms-vcg"): New dumps.
        (rest_of_handle_sched): Call sms_schedule.
        * rtl.h (sms_schedule): New declaration.
        * timevar.def (TV_SMS): New.
        * toplev.c (flag_modulo_sched): Initialize.
        (f_options): Handle -fmodulo-sched option.
        * docs/invoke.texi: Document -fmodulo-sched & -dm options.
        * docs/passes.texi: Document new SMS pass.

2004-05-25  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (OBJS): Add rtlhooks.o.
        (rtlanal.o): Depend on function.h.
        (cse.o): Depend on rtlhooks-def.h.
        (combine.o): Depend on rtlhooks-def.h.
        (rtlhooks.o): New rule.
        * combine.c: Include rtlhooks-def.h.
        (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
        num_sign_bit_copies, cached_num_sign_bit_copies,
        num_sign_bit_copies1): Move most of the code to rtlanal.c.
        (reg_nonzero_bits_for_combine,
        reg_num_sign_bit_copies_for_combine): New functions holding
        the remnants of the above.
        (combine_rtl_hooks): New.
        (combine_instructions): Set rtl_hooks instead of gen_lowpart.
        * cse.c: Include rtlhooks-def.h.
        (cse_rtl_hooks): New.
        (cse_main): Set rtl_hooks instead of gen_lowpart.
        * emit-rtl.c (gen_lowpart): Remove.
        (gen_lowpart_general): Move to rtlhooks.c.
        * rtl.h (nonzero_bits, num_sign_bit_copies,
        struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
        (gen_lowpart_general): Remove.
        (gen_lowpart): Temporarily redefine as a macro.
        * rtlanal.c: Include function.h.
        (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
        num_sign_bit_copies, cached_num_sign_bit_copies,
        num_sign_bit_copies1): New, from combine.c.
        * rtlhooks.c: New file.
        * rtlhooks-def.h: New file.

2004-05-25  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
        to support 32-bit -mint8 mode.

        * doc/invoke.texi (-mint8): Added documentation for the -mint8
        option in the AVR architecture.

2004-05-24  Mike Stump  <mrs@apple.com>

        * doc/install.texi: Document that dejagnu 1.4.4 is required.

2004-05-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * intl.h (open_quote, close_quote): New.
        * intl.c (open_quote, close_quote): New.
        (gcc_init_libintl): Set them.
        * pretty-print.c: Include "intl.h".
        (pp_base_format_text): Support 'q' format flag and %` and %'
        formats.  Use ' instead of ` in comments.
        * c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
        gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
        foramt_types_orig): Describe these new formats.
        (decode_format_attr, check_function_format,
        check_format_info_main): Use these new formats.
        (status_warning): Use ATTRIBUTE_GCC_DIAG.
        * toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
        check these formats to 3.5.

2004-05-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in (CPPLIBS): Renamed to CPPLIB.
        (BACKEND): Reflect this.
        (LIBDEPS): Move CPPLIB before LIBIBERTY.
        (LIBS): Likewise.

2004-05-24  Ulrich Weigand  <uweigand@de.ibm.com>

        PR tree-optimization/14197
        * builtins.c: Include "tree-gimple.h"
        (readonly_data_expr): Use get_base_address.  Make sure to call
        decl_readonly_section only on trees it can handle.
        * tree-gimple.c (get_base_address): Accept STRING_CST and
        CONSTRUCTOR expressions.
        * Makefile.in: Update dependencies.

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

        Move libcpp to the toplevel.
        * Makefile.in: Remove references to libcpp files,
        use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
        and change hashtable.h to that.
        * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
        gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
        * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
        * configure: Regenerate.
        * config.in: Regenerate.
        * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
        * cppcharset.c: Removed.
        * cpperror.c: Removed.
        * cppexp.c: Removed.
        * cppfiles.c: Removed.
        * cpphash.c: Removed.
        * cpphash.h: Removed.
        * cppinit.c: Removed.
        * cpplex.c: Removed.
        * cpplib.c: Removed.
        * cpplib.h: Removed.
        * cppmacro.c: Removed.
        * cpppch.c: Removed.
        * cpptrad.c: Removed.
        * cppucnid.h: Removed.
        * cppucnid.pl: Removed.
        * cppucnid.tab: Removed.
        * hashtable.c: Removed.
        * hashtable.h: Removed.
        * line-map.c: Removed.
        * line-map.h: Removed.
        * mkdeps.c: Removed.
        * mkdeps.h: Removed.
        * stringpool.h: Include symtab.h instead of hashtable.h.
        * tree.h: Include symtab.h instead of hashtable.h.
        * system.h (O_NONBLOCK, O_NOCTTY): Do not define.

2004-05-23 Paolo Bonzini <bonzini@gnu.org>

        * gcc.c (struct prefix_list): Add forward declaration.
        (do_spec_path): New function, extracted from...
        (do_spec_1) <'D'>: ... here.  Drop support for
        SPACE_AFTER_L_OPTION.
        (do_spec_1) <'I'>: Use do_spec_path.
        (process_command): Do not store the 'include' suffix
        in include_prefixes.
        * system.h: Poison SPACE_AFTER_L_OPTION.

2002-05-23  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (non_lvalue): Explicitly list the tree codes that
        need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.

2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
        Update based on printed manual.  Enable setting of offsets for
        FSFPRINT and move it to gcc-common.texi.
        * doc/gcc.texi: Update FSF printing details.
        * doc/gccint.texi: Remove FSF printing details.

2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/t-rs6000: Remove the disabling -Werror.

2004-05-22  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
        expand_builtin_strrchr, expand_builtin_strpbrk,
        expand_builtin_mempcpy, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp,
        expand_builtin_strcat, std_expand_builtin_va_start,
        std_expand_builtin_va_arg, expand_builtin_va_copy,
        expand_builtin_signbit, fold_builtin_cabs,
        fold_builtin_logarithm, fold_builtin_mempcpy,
        fold_builtin_signbit, fold_builtin_isascii,
        fold_builtin_toascii, fold_builtin_isdigit,
        fold_builtin_1, build_function_call_expr,
        simplify_builtin_strchr, simplify_builtin_strrchr,
        simplify_builtin_strpbrk, simplify_builtin_strncpy,
        simplify_builtin_memcmp, simplify_builtin_strcmp,
        simplify_builtin_strncmp, simplify_builtin_strncat,
        simplify_builtin_strspn, simplify_builtin_strcspn,
        simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
        to build with calls to build2, build3 or omit_one_operand.

2004-05-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
        section when generating EABI code.

2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR 15546
        * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
        Call mark_decl_referenced on the SYMBOL_REF_DECL.

2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-common.c (c_common_truthvalue_conversion): Handle
        UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
        ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
        i.e. set the type to truthvalue_type_node and return.

2004-05-22  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (struct tree_decl): Add possibly_inlined bit.
        (DECL_POSSIBLY_INLINED): New accessor macro.
        * cgraph.h: Remove declaration of cgraph_inline_hash.
        * cgraph.c: Remove definition of cgraph_inline_hash.
        (hash_node): Revert to hashing DECL_UID.
        (eq_node): Take two pointers to cgraph_node structures.
        Compare DECL_UIDs.
        (cgraph_remove_node): Pass the node directly to htab_find_slot.
        (cgraph_varpool_hash_node): Rename hash_varpool_node;
        hash on DECL_UID.
        (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
        pointers to cgraph_varpool_node structures; compare DECL_UIDs.
        (cgraph_node): Allocate a temporary node on the stack, fill in
        its DECL field, and pass that to htab_find_slot.
        (cgraph_varpool_node): Likewise.
        (cgraph_function_possibly_inlined_p): If global info is ready,
        return the DECL_POSSIBLY_INLINED bit.
        * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
        instead of mucking with cgraph_inline_hash.

2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi: Add g77 contributors.

2004-05-22  Richard Sandiford  <rsandifo@redhat.com>

        * calls.c (initialize_argument_information): Forbid sibcalls if a
        callee-copied argument is stored in the current function's frame.

2004-05-22  Eric Christopher  <echristo@redhat.com>

        * fix-header.c (read_scan_file): Update for add_path change.

2004-05-22  Ben Elliston  <bje@au.ibm.com>

        * c.opt (Wmissing-include-dirs): New.
        * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
        to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
        OPT_isystem. Handle case OPT_Wmissing_include_dirs.
        * c-incpath.h (add_path): Add fourth (bool) argument.
        * c-incpath.c (add_env_var_paths): Pass false to add_path ().
        (add_standard_paths): Likewise.
        (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
        is used and the directory was user-supplied via -I.
        (add_path): Set p->user_supplied_p.  Remove duplicated code by
        using add_cpp_dir_path ().
        * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
        (struct cpp_dir): Add user_supplied_p.
        * doc/invoke.texi (Warning Options): Document new option.

2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * fold-const.c (fold_read_from_constant_string): Convert result to
        requested type.

2004-05-21  Richard Henderson  <rth@redhat.com>

        * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
        (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
        Don't mark VA_ARG_EXPRs volatile here.
        (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.

2004-05-21  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
        * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.

2004-05-21  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold, fold_relational_hi_lo,
        nondestructive_fold_binary_to_constant,
        fold_read_from_constant_string): Use fold_convert instead of convert.
        * builtins.c (simplify_builtin, simplify_builtin_strstr,
        simplify_builtin_strchr, simplify_builtin_strrchr,
        simplify_builtin_strpbrk): Use fold_convert instead of convert.

2004-05-21  Diego Novillo  <dnovillo@redhat.com>

        * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
        is NULL.

2004-05-21  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
        override sparc.h definition.

2004-05-20  Roger Sayle  <roger@eyesopen.com>

        * tree.c (array_type_nelts, save_expr, substitute_in_expr,
        get_unwidened, get_narrower): Replace build with build2.
        * fold-const.c (negate_expr, associate_trees, size_binop,
        fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
        pedantic_omit_one_operand, distribute_bit_expr,
        make_bit_field_ref, optimize_bit_field_compare,
        decode_field_reference, range_binop, make_range,
        build_range_check, fold_range_test, fold_truthop,
        optimize_minmax_comparison, extract_muldiv_1,
        fold_binary_op_with_conditional_arg, fold_mathfn_compare,
        fold_inf_compare, fold_single_bit_test, fold,
        fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
        Likewise replace build with either build2 or build3.

2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>

        * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
        * calls.c (prepare_call_address): Don't test
        NO_RECURSIVE_FUNCTION_CSE.
        * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
        * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
        Likewise.
        * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
        * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
        * doc/tm.texi (Costs): Remove documentation for
        NO_RECURSIVE_FUNCTION_CSE.

2004-05-20  Paul Brook  <paul@codesourcery.com>

        * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
        * unwind-dw2.c (extract_cie_info): Ditto.
        (_Unwind_FrameState): Change retaddr_column to word type.

2004-05-20  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/3074
        * fold-const.c (strip_compound_expr): Delete function.
        (count_cond): Delete function.
        (fold_binary_op_with_conditional_arg): Only perform transformations
        "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
        when a is constant.  This greatly simplifies this routine.

        * tree.c (saved_expr_p): Delete function.
        * tree.h (saved_expr_p): Delete function prototype.

2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>

        * common.opt (ftree-loop-optimize): Remove.

2004-05-20  Daniel Jacobowitz  <dan@debian.org>

        * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
        (NM_FOR_TARGET): Use := and $(shell).
        (mainversion): Remove unused variable.

2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * reorg.c (delete_from_delay_slot): If we have a barrier after the
        sequence containing the insn to be deleted, always reemit it.

2004-05-20  Richard Henderson  <rth@redhat.com>

        PR 15454
        * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
        * function.c (expand_function_start): Expand static_chain_decl by hand.
        * gimplify.c (create_tmp_var_name): Export.
        * tree-gimple.h (create_tmp_var_name): Declare.

2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>

        * rs6000.c (print_operand) <case 'z'>: Call
        mark_decl_referenced before assemble_name.

2004-05-20  Zack Weinberg  <zack@codesourcery.com>

        * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
        (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
        (cgraph_varpool_node): Hash on the pointer to the decl, not
        the DECL_UID.  Fixes 64-bit bootstrap failure.

2004-05-20  Richard Earnshaw <rearnsha@arm.com>

        * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
        we don't earlyclobber operands used in the second insn.

2004-05-20  Steven Bosscher  <stevenb@suse.de>

        * tree-mudflap.c: Formatting fixes.

2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>

        * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
        * gengtype.c (open_base_files): Include reload.h in ifiles.
        * reload.h (reg_equiv_memory_loc_varray): Declare.
        * reload1.c (reg_equiv_memory_loc_varray): New variable.
        (init_reload): Initialize it.
        (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
        reg_equiv_memory_loc_varray to size 0.
        * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
        growing reg_equiv_memory_loc_varray to the desired size.
        * passes.c (rest_of_handle_old_regalloc): Likewise.
        * reload.c: Amend comment on calling init_reload.

2004-05-20  Nick Clifton  <nickc@redhat.com>

        * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
        with 'TRAMP' in the body of the macro definition.

2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/15383
        * config/ia64/ia64.c (ia64_expand_compare): Don't check
        TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
        cmptf_libfunc isn't set.
        (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
        conventions.
        (ia64_sysv4_init_libfuncs): New.

        * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
        ia64_sysv4_init_libfuncs.

2004-05-20  Falk Hueffner  <falk@debian.org>

        PR other/15526
        * libgcc2.c (__mulvsi3): Fix overflow test.

2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/14171
        * reg-stack.c (nan): Rename to ...
        (not_a_num): Here.
        (reg_to_stack): Rename nan to not_a_num.
        (subst_stack_regs_pat): Likewise.
        (convert_regs_entry): Likewise.
        (convert_regs_1): Likewise.

        * tree-cfg.c (find_case_label_for_value): Replace call to
        simple_cst_equal with tree_int_cst_equal.

2004-05-19  Jeff Law <law@redhat.com>

        * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
        If the operand is for a use, then strip away the SSA_NAME, do not
        strip away the SSA_NAME for a set.  Never call release_ssa_name.
        (mark_def_sites): Appropriately pass additional argument to
        prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
        then set the VDEF_RESULT to the VDEF_OP.
        (set_def_block): Strip away any SSA_NAME to get to the real
        underlying variable.

        * tree-ssa-phiopt.c (value_replacement): Handle the case where
        the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
        BB directly.

2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR c++/15463
        * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
        result of inverse.

        PR rtl-optimization/15274
        * loop-iv.c (determine_max_iter, shorten_into_mode,
        iv_number_of_iterations): Handle constants correctly.
        * rtl.h (get_mode_bounds): Declaration changed.
        * stor-layout.c (get_mode_bounds): Return a constant suitable for
        the target mode.

        PR rtl-optimization/14692
        * loop-unswitch.c (may_unswitch_on): Try folding the result.
        (unswitch_single_loop): Work correctly when may_unswitch_on
        returns a folded constant.

        * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
        * simplify-rtx.c (simplify_const_relational_operation): Optimize
        comparisons with mode bounds.

        * function.c (struct temp_slot): Add new field prev.
        (free_after_compilation, init_temp_slots): Free new fields.
        (cut_slot_from_list, insert_slot_to_list,
        temp_slots_at_level, max_slot_level, move_slot_to_level,
        make_slot_available): New functions.
        (assign_stack_temp_for_type, combine_temp_slots,
        find_temp_slot_from_address, preserve_temp_slots,
        preserve_rtl_expr_result, free_temp_slots,
        free_temps_for_rtl_expr, pop_temp_slots): Work with
        the new structure of lists.
        (mark_all_temps_used): Removed.
        * function.h (struct function): Field x_temp_slots
        replaced by x_used_temp_slots and x_avail_temp_slots.
        (temp_slots): Replaced by ...
        (used_temp_slots, avail_temp_slots): New.
        * tree.h (mark_all_temps_used): Declaration removed.

        * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
        simplify_using_assignment): Take the expression out of
        the expr_list wrapper.

        * loop-iv.c (iv_number_of_iterations): Improve clasification of
        infinite loops.

2004-05-19  Roger Sayle  <roger@eyesopen.com>

        * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
        costs should be based on code size when optimizing for size.

2004-05-19  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c: Remove non-printable character 160.

2004-05-19  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (ARM Options): Fix typo.
        Remove descrption of -mshort-load-bytes and
        -mno-short-load-bytes.

        * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
        missing parenthesis.
        * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
        * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.

2004-05-19  Steven Bosscher  <stevenb@suse.de>

        * expr.c (store_constructor): Build loop start and end by hand
        instead of via loop functions from stmt.c.
        (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
        Remove the code to expand them.

        * stmt.c (loop_stack): Remove this and everything related.
        (struct nesting, enum nesting_desc): Update.
        (expand_fixup): Likewise.
        (expand_loop_start, expand_start_loop_continue_elsewhere,
        expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
        expand_end_null_loop, expand_continue_loop, expand_exit_loop,
        expand_exit_loop_if_false, expand_exit_loop_top_cond,
        expand_exit_something): Remove.
        * tree.h: Remove prototypes.

2004-05-18  Mike Stump  <mrs@apple.com>
            Devang Patel  <dpatel@apple.com>

        * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
        if this label is for eh.
        * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
        * config/darwin.c (darwin_emit_unwind_label): Likewise.
        * dwarf2out.c (output_call_frame_info): Likewise.
        * output.h (default_emit_unwind_label): Likewise.
        * target.h (unwind_label): Likewise.
        * varasm.c (default_emit_unwind_label): Likewise.

        * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
        DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
        DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
        DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
        DEBUG_RANGES_SECTION): Define.

2004-05-18  Zack Weinberg  <zack@codesourcery.com>

        * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
        (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
        (cgraph_varpool_node):
        Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
        (cgraph_function_possibly_inlined_p): Use the decl itself for
        the key, not DECL_ASSEMBLER_NAME.
        (change_decl_assembler_name): No need to muck with the hash tables.
        (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
        Delete.
        * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
        for the key, not DECL_ASSEMBLER_NAME.
        * cgraph.h: Remove prototypes of deleted functions.
        * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
        (mark_decl_referenced): New function.
        * tree.h: Prototype mark_decl_referenced.
        * final.c (output_addr_const) <case SYMBOL_REF>: Call
        mark_decl_referenced before assemble_name.
        * c-decl.c (finish_decl): Use mark_decl_referenced.

2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
            Jeff Law <law@redhat.com>

        * tree-ssa-phiopt.c (abs_replacement): New function.
        (empty_block_p): New function extracted from...
        (candidate_bb_for_phi_optimization): Break out empty block test.
        (conditional_replacement): Use empty_block_p.
        (value_replacement): Similarly.

        * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
        * tree-ssa-phiopt.c: Include flags.h.
        (conditional_replacement): Remove argument names from prototype.
        Minor formatting and comment fixes.
        (tree_ssa_phiopt): If conditional_replacement returns false, then
        call value_replacement.
        (value_replacement): New function.

2004-05-18  Jeff Law  <law@redhat.com>

        * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
        from conditional_replacement.
        (candidate_bb_for_phi_optimization): Similarly.
        (conditional_replacement): Use replace_phi_with_stmt and
        candidate_bb_for_phi_optimization.

        * tree-ssa-phiopt.c: Fix various formatting issues.

2004-05-18  Steven Bosscher  <stevenb@suse.de>

        * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
        s390_expand_cmpmem): Do not use expand_start_loop and
        expand_end_loop, instead build the loop manually.

2004-05-18  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
        (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.

2004-05-17  Jeff Law  <law@redhat.com>

        * toplev.h (flag_delete_null_pointer_checks): Move from here to...
        * flags.h (flag_delete_null_pointer_checks): Here.
        * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
        * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
        (add_phi_arg, remove_phi_arg_num): Similarly.
        * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
        property into PHI nodes.
        * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
        (record_equivalences_from_phis): If all PHI arguments are known to be
        nonzero, then the result must be nonzero as well.
        (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
        (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
        appropriately.  Walk the USE-DEF chains and propagate nonzero property
        as appropriate.
        * tree.h (PHI_ARG_NONZERO): Define.
        (phi_arg_d): Add nonzero flag.

2004-05-17  Zack Weinberg  <zack@codesourcery.com>

        * f: Entire directory removed

        * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
        (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
        (g77_integer_type_node, g77_uinteger_type_node)
        (g77_longint_type_node, or g77_ulongint_type_node): Delete.
        * c-common.c (c_common_nodes_and_builtins): Do not initialize
        the above set of variables.

        * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
        * doc/invoke.texi, doc/standards.texi: Remove cross-references
        to g77 manual.

2004-05-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/15438
        * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
        attributed functions as pure or const.

2004-05-17  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
        from source code with errors.

2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>

        Enable tree browser for all front ends.
        * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
        (BACKEND): ...to here.

2004-05-17  Jan Hubicka  <jh@suse.cz>

        * i386.c (construct_container): Do not produce BLKmode registers.
        (classify_argument): Properly compute alignment of complex types.

2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/15084
        * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
        and renamed to movdi_insv_1_rex64.
        (insv): Support SImode for 32bit and DImode for 64bit.

2004-05-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
        (TARGET_SWITCHES): Remove debugg.
        * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
        TARGET_64BIT.
        (subdi3): Replace the define_expand with a define_insn, the latter
        renamed from subdi3_internal_3.
        (negdi2): Likewise negdi2_internal_2.
        (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
        (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
        and associated define_splits.
        (adddi3_internal): Renamed from adddi3_internal_3.
        (ashldi3_internal): Likewise ashldi3_internal4.
        (ashrdi3_internal): Likewise ashrdi3_internal4.
        (lshrdi3_internal): Likewise lshrdi3_internal4.

2004-05-17  Richard Sandiford  <rsandifo@redhat.com>

        * optabs.c (expand_unop): Try implementing negation using subtraction
        from zero.

2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md:  Fix typo from last change.  Remove DFmode move to and from
        SAR register.

2004-05-16  Richard Earnshaw  <rearnsha@arm.com>

        PR target/10982
        * arm.md (ne_zeroextractsi): Convert to insn-and-split.
        (ne_zeroextractsi_shifted): New pattern.
        (ite_ne_zeroextractsi): New pattern.
        (ite_ne_zeroextractsi_shifted): New pattern.

2004-05-15  Steven Bosscher  <stevenb@suse.de>

        * c-gimplify.c (c_genericize):
        Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
        * c-parse.in <expr_no_commas>: Likewise.
        <if_prefix>: Likewise.
        <select_or_iter_stmt>: Likewise.
        * expr.c (expand_var, expand_expr_real_1): Likewise.
        * expr.h (expand_expr): Make it a static inline function.
        Move prototype for expand_expr_real up before this.
        * fold-const.c (fold_relational_hi_lo, fold_relational_const):
        Likewise.
        * gimplify.c (gimple_boolify, gimplify_addr_expr,
        gimplify_asm_expr, gimplify_expr): Likewise.
        * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
        dump_function_to_file): Likewise.
        * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
        * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
        * tree-into-ssa.c (dump_tree_ssa): Likewise.
        * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
        Likewise.
        * tree-optimize.c (execute_one_pass): Likewise.
        * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
        * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.

        * objc/objc-act.c (objc_build_try_enter_fragment,
        objc_build_try_epilogue, objc_build_catch_stmt,
        objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
        with lang_hooks.foo ().

2004-05-15  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
        that simplify_builtin doesn't destructively modify its argument.

2004-05-15  Richard Earnshaw  <reanrsha@arm.com>

        * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
        implementations for ARM and Thumb.
        * arm/t-arm-elf (LIB1ASMFUNCS): Use them.

2004-05-15  Thomas Quinot  <quinot@act-europe.fr>

        * prefix.c (update_path): Replace PREFIX with KEY only
        when it matches a full directory name in PATH.

2004-05-15  Richard Earnshaw  <reanrsha@arm.com>

        * arm.h (TARGET_APCS_32): Delete.
        (TARGET_MMU_TRAPS): Delete.
        (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
        define __APCS_26__.
        (CPP_SPEC): Remove checking of -mapcs-{26,32}.
        (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
        (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
        (prog_mode_type): Delete.
        (PROMOTE_MODE): Always promote unsigned for HImode.
        (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
        (MASK_RETURN_ADDR): Simplify.
        * arm.c (arm_prgmode): Delete.
        (arm_override_options, arm_gen_rotated_half_load): Simplify.
        (print_multi_reg, output_return_instruction): Simplify.
        (arm_output_epilogue, arm_final_prescan_insn): Simplify.
        (arm_return_addr): Simplify.
        * arm.md (prog_mode): Delete.
        (conds): Simplify.
        (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
        (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
        (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
        (loadhi_shiftpredec): Delete.
        (peephole for post-increment on HImode load): Delete.
        * arm/crtn.asm: (FUNC_END): Simplify.
        * arm/lib1funcs.asm: Remove APCS-26 return macros.
        * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
        * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
        * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
        MULTILIB_DEFAULTS as required.
        * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
        * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
        variables as required.
        * doc/invoke.texi (ARM Options): Remove obsolete flags.

2004-05-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
        UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
        count to 8 to handle n_reg > 2.

2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/extend.texi: Update WG14 URL.

2004-05-15  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (life_analysis, delete_noop_moves):
        Update prototypes.
        * bt-load.c (branch_target_load_optimize): Don't take the
        insns stream as an argument.  Update the life_analysis calls.
        * combine.c (combine_instructions): Update delete_noop_moves
        calls.
        * flow.c (notice_stack_pointer_modification): Don't take the
        insns stream as an argument.  Work on the flow graph.
        (life_analysis): Likewise.
        (delete_noop_moves): Likewise.
        * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
        (rest_of_handle_life): Update life_analysis call.
        (rest_of_compilation): Likewise, and also update
        branch_target_load_optimize call.
        * ra.c (reg_alloc): Update life_analysis call.
        * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
        the insns stream as an argument.
        * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
        call.
        * rtl.c (branch_target_load_optimize, reg_to_stack): Update
        prototypes.
        * value-profile.c (branch_prob): Update life_analysis call.
        * web.c (web_main): Work on the CFG, not on the insns stream.

        * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
        * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
        * config/sh/sh.c (sh_output_mi_thunk): Likewise.

2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15444
        * c-format.c (avoid_dollar_number): New function.
        (check_format_info_main): Call avoid_dollar_number when operand
        numbers might occur but has_operand_number == 0.

2004-05-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (all peephole2 patterns): Use predicates that validate
        register classes as appropriate.

2004-05-14  Steven Bosscher  <stevenb@suse.de>

        PR opt/14472
        * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
        ignore type conversions that do not inhibit tail calling.
        (find_tail_calls): Likewise.

2004-05-14  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
        bother marking bypassed virtuals for out-of-ssa.  Instead merge
        bypassed virtuals into vars_to_rename just before into-ssa pass.

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
        so that it picks up more opportunities to eliminate ABS expressions
        or turn them into negations.

2004-05-14  Steven Bosscher  <stevenb@suse.de>

        * passes.c (rest_of_handle_null_pointer): Remove.
        (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
        (rest_of_compilation): Likewise.
        * rtl.h (delete_null_pointer_checks): Remove prototype.
        * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
        Remove declarations.
        (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
        compute_kill_rd, compute_rd, alloc_avail_expr_mem,
        free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
        expr_reaches_here_p, computing_insn, def_reaches_here_p,
        can_disregard_other_sets, handle_avail_expr, classic_gcse,
        one_classic_gcse_pass, invalidate_nonnull_info,
        delete_null_pointer_checks_1, delete_null_pointer_checks,
        expr_reached_here_p_work): Remove.
        (gcse_main): Do not perform classic GCSE when optimizing for size.
        (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
        are never used.

2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>

        PR optimization/14466
        * tree-complex.c (make_temp): Remove.
        (gimplify_val): Replace make_temp with make_rename_temp
        and add NULL as the second argument.
        (expand_complex_div_wide): Likewise.
        * tree-dfa.c (make_rename_temp): New function.
        * tree-flow.h (make_rename_temp): Declare.
        * tree-sra.c (make_temp): Remove.
        (lookup_scalar): Replace make_temp with make_rename_temp.
        (create_scalar_copies): Likewise.
        * tree-ssa-phiopt.c (conditional_replacement): When we
        get non gimple create a temporary variable to hold the
        casted expression.

2004-05-14  Paul Brook  <paul@codesourcery.com>

        * stor-layout.c (update_alignment_for_field): Use
        targetm.align_anon_bitfield.
        * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
        (TARGET_INITIALIZER): Use it.
        * target.h (struct gcc_target): Add align_anon_bitfield.
        * config/arm/arm.c (arm_align_anon_bitfield):  New function.
        (TARGET_ALIGN_ANON_BITFIELD): Define.
        * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.

2004-05-13  Zack Weinberg  <zack@codesourcery.com>

        * tree.def (documentation): Remove mention of class 'b'.
        (BLOCK): Now in class 'x'.
        * c-common.c (verify_tree): Remove case 'b'.
        * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
        * calls.c (calls_function_1): Control cannot get past the switch
        when exp is a BLOCK.
        * print-tree.c (print_node): Move code for class 'b' to the class
        'c'/'x' switch, as case BLOCK.
        * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
        (unsafe_for_reeval, substitute_placeholder_in_expr)
        (stabilize_reference_1): Remove case 'b'.
        * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
        of something being 'b' to tests for TREE_CODE of something being
        BLOCK.
        * tree-ssa-operands.c (get_expr_operands): Likewise.

2004-05-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-gimple.c: Rename from tree-simple.c.
        * tree-gimple.h: Rename from tree-simple.h.
        * c-gimplify.c: Rename from c-simplify.c
        * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
        langhooks.c, tree-alias-ander.c, tree-alias-common.c,
        tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
        tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
        tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
        tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
        tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
        Update.

2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>

        * doc/sourcebuild.texi: Mention libbanshee and libmudflap.

2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa.c (delete_tree_ssa): XFREE
        bitmaps allocated with BITMAP_XMALLOC.

        * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
        idfs_cache at the end of the function.

        * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
        at the end of the function.

        * tree-ssa-dce.c (perform_tree_ssa_dce): Free
        el at the end of the function.

        * tree-into-ssa.c (insert_phi_nodes_for): XFREE
        bitmaps allocated with BITMAP_XMALLOC.

        * loop-unswitch.c (unswitch_single_loop): Free bbs at
        the end.

        * final.c (shorten_branches): Free uid_shuid before
        reallocating it.

        * bb-reoder.c (connect_traces): Free cold_traces at the end.

2004-05-13  Jeff Law  <law@redhat.com>

        * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
        variables.  Simplify slightly by using USE_OP/DEF_OP instead
        of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.

        * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
        rather than iterating through the blocks testing each bit in
        livein to initialize the worklist.
        (mark_def_sites): Remove useless checks of KILLS for virtual
        operands.

        * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
        new parameters for the statement and variable worklist as well
        as a bitmap of interesting SSA_NAMEs.  Walk over the statement
        worklist recording interesting variables in the variable worklist
        and bitmap.  Handle casts between integral and boolean types.
        (substitute_single_use_vars): Accept new parameters for the statement
        and variable worklist.  When a substitution is made add a new
        entry to the statement worklist.  Handle casts between integral
        and boolean types.
        (tree_ssa_forward_propagate_single_use_vars): Rework to pass
        worklists to children.  Iterate until the statement worklist
        is empty.

2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
        the end of the block.

        * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
        with BITMAP_XMALLOC.

        * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
        with BITMAP_XMALLOC.

        * tree-ssa-dom.c (tree_ssa_dominator_optimize):
        Free nonzero_vars at the end of the function.

        * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
        need to generate code instead of a NOP_EXPR.

2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>

        * gcc.c (default_compilers): Fill out initializers for new Fortran
        entries.

2004-05-13  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.

2004-05-13  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_default_short_enums): New function.
        (TARGET_DEFAULT_SHORT_ENUMS): Define.

2004-05-13  Diego Novillo  <dnovillo@redhat.com>

        Merge from tree-ssa-20020619-branch.

        * Makefile.in (reload1.o-warn): Add.
        (tree-alias-ander.o-warn): Add.
        (GMPLIBS): Define.
        (GMPINC): Define.
        (BANSHEELIB): Define.
        (BANSHEEINC): Define.
        (TREE_DUMP_H): Define.
        (TREE_SIMPLE_H): Define.
        (TREE_FLOW_H): Define.
        (LIBDEPS): Add BANSHEELIB.
        (INCLUDES): Add BANSHEEINC and GMPINC.
        (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
        c-mudflap.o and c-pretty-print.o.
        (C_OBJS): Remove c-pretty-print.o.
        (OBJS-common): Remove sibcall.o.
        Add tree-cfg.o, tree-dfa.o, tree-eh.o,
        tree-ssa.o, tree-optimize.o, tree-simple.o,
        tree-alias-type.o, gimplify.o, tree-pretty-print.o,
        tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
        tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
        tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
        tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
        tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
        tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
        tree-tailcall.o, gimple-low.o, tree-iterator.o,
        tree-phinodes.o, tree-ssanames.o, tree-sra.o,
        tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
        tree-profile.o.
        (OBJC-archive): Add tree-nomudflap.o.
        (cc1): Add dependency on @TREEBROWSER@.
        (c-decl.o): Add dependency on TREE_DUMP_H.
        (c-dump.o): Likewise.
        (c-common.o): Add dependency on tree-iterator.h
        (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
        (gtype-desc.o): Add dependency on TREE_FLOW_H.
        (tree.o): Add dependency on tree-iterator.h,
        BASIC_BLOCK_H and TREE_FLOW_H.
        (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
        (langhooks.o): Add dependency on TREE_SIMPLE_H.
        (tree-alias-type.o, tree-alias-ander.o,
        tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
        tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
        tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
        tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
        domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
        tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
        tree-nested.o, tree-iterator.o, tree-dfa.o,
        tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
        tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
        gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
        tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
        tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
        tree-sra.o, tree-complex.o, tree-profile.o,
        rtl-profile.o): New rules.
        (function.o): Add dependency on basic-block.h
        (expr.o): Add dependency on tree-iterator.h.
        (sibcall.o): Remove.
        (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
        (cfg.o): Add dependency on TIMEVAR_H.
        (cfghooks.o): Add dependency on TREE_FLOW_H.
        (reg-stack.o): Add dependency on basic-block.h.
        (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
        c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
        tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
        tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
        tree-alias-type.h, tree-alias-common.h,
        tree-alias-type.c, tree-alias-common.c,
        tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
        rtl-profile.c and tree-nested.c.
        (gt-tree-alias-common.h, gt-tree-mudflap.h,
        gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
        gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
        gt-tree-cfg.h, gt-tree-nested.h): New rules.
        (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
        * basic-block.h: Include predict.h
        (struct edge_def): Add GTY marker.
        Change field 'insns' to be a union of tree and rtx.
        (EDGE_TRUE_VALUE): Define.
        (EDGE_FALSE_VALUE): Define.
        (EDGE_EXECUTABLE): Define.
        (struct bb_ann_d): Forward declare.
        (struct basic_block_def): Add GTY marker.
        Remove fields head_tree and end_tree.
        Add fields stmt_list, rbi and tree_annotations.
        (struct reorder_block_def): Define.
        (basic_block_info): Add GTY marker.
        (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
        variables instead of macros.
        (flow_call_edges_add): Remove declaration.
        (make_eh_edge): Remove declaration.
        (brief_dump_cfg, find_edge, tree_predicted_by_p,
        rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
        predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
        cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
        alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
        (try_redirect_by_replacing_jump): Modfiy return type to
        edge instead of bool.
        * bb-reorder.c (copy_bb): Call duplicate_block
        instead of cfg_layout_duplicate_bb.
        (copy_bb_p): Call can_duplicate_block_p instead of
        cfg_layout_can_duplicate_bb_p.
        * bitmap.c (bitmap_first_set_bit): Abort if word
        wasn't found.
        (bitmap_last_set_bit): Likewise.
        * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
        (DEF_FUNCTION_TYPE_3): Add.
        * builtins.c (c_strlen): Make extern.
        (builtin_save_expr): New.
        (expand_builtin_nonlocal_goto): New.
        (expand_builtin_constant_p): Remove.
        (expand_builtin_mathfn): Call builtin_save_expr instead
        of save_expr.
        (expand_builtin_mathfn_2): Likewise.
        (expand_builtin_strcmp): Likewise.
        (expand_builtin_strncmp): Likewise.
        (expand_builtin_strcat): Likewise.
        (fold_builtin_cabs): Likewise.
        (expand_builtin_alloca): Don't trigger if -fmudflap is
        given.
        (build_string_literal): Set TREE_INVARIANT on new node.
        (expand_builtin_profile_fun): New.
        (round_trampoline_addr): New.
        (expand_builtin_init_trampoline): New.
        (expand_builtin_adjust_trampoline): New.
        (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
        <BUILT_IN_CONSTANT_P>: Return const0_rtx;
        <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
        BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
        BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
        BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
        Handle.
        (fold_builtin_expect): New.
        (fold_builtin_isascii): Don't return non-constant results
        in GIMPLE form.
        (fold_builtin_isdigit): Likewise.
        (fold_builtin_1): New.
        (fold_builtin): Call it.
        (build_function_call_expr): Update call to build a new
        CALL_EXPR.
        (purge_builtin_constant_p): Remove.
        (simplify_builtin, simplify_builtin_memcmp,
        simplify_builtin_strcmp, simplify_builtin_strncmp,
        simplify_builtin_strpbrk, simplify_builtin_strstr,
        simplify_builtin_strchr, simplify_builtin_strrchr,
        simplify_builtin_strcat, simplify_builtin_strncat,
        simplify_builtin_strspn, simplify_builtin_strcspn,
        simplify_builtin_next_arg, simplify_builtin_va_start,
        simplify_builtin_sprintf): New.
        * builtins.def (BUILT_IN_STACK_ALLOC,
        BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
        BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
        BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
        BUILT_IN_PROFILE_FUNC_EXIT): Define.
        * c-common.c: Include tree-iterator.h and hashtab.h.
        (lang_statement_code_p): Declare.
        (lang_gimplify_stmt): Declare.
        (fix_string_type): Set TREE_INVARIANT for value.
        (pointer_int_sum): Rely on build to set TREE_CONSTANT.
        (c_type_hash): New.
        (c_common_get_alias_set): Handle multiple type nodes
        referring to "the same" type, currently for C90 only.
        (c_add_case_label): Use create_artificial_label.
        (finish_label_address_expr): Don't set TREE_CONSTANT on
        result.
        (c_expand_expr): Don't handle STMT_EXPR.
        (handle_alias_attribute): Marke aliased variables to be
        TREE_STATIC.
        (handle_nonnull_attribute): Initialize arg_num.
        (check_function_nonnull): Likewise.
        (c_walk_subtrees): New.
        (c_estimate_num_insns_1): Don't handle
        EXPR_WITH_FILE_LOCATION nor FILE_STMT.
        (c_decl_uninit_1): Remove.
        (c_decl_uninit): Remove.
        (c_warn_unused_result): New.
        * c-common.def (ASM_STMT): Change number of operands
        to 4.
        (FILE_STMT): Remove.
        * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
        Remove.
        (lang_gimplify_stmt): Add.
        (expand_stmt): Remove.
        (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
        ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
        ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
        FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
        ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
        (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
        genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
        genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
        genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
        genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
        genrtl_compound_stmt, genrtl_asm_stmt,
        genrtl_cleanup_stmt, c_decl_uninit): Remove.
        (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
        c_tree_chain_matters_p, c_warn_unused_result,
        c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
        Declare.
        * c-convert.c (convert): Make convert work when
        converting to compatible types across translation unit.
        * c-decl.c: Include langhooks.h, tree-mudflap.h,
        tree-simple.h, diagnostic.h and tree-dump.h
        (merge_decls): Initialize oldtype to NULL.
        (finish_decl): Use DECL_HARD_REGISTER instead of
        DECL_C_HARD_REGISTER.
        (check_bitfield_type_and_width): Check for null
        lang_type_specific when check the precision of an enum.
        (grokdeclarator): Immediately layout an ARRAY_TYPE used
        in a pointer-to-array declarator.
        (finish_struct): Clear allocated struct lang_type.
        (finish_enum): Set enum_min and enum_max.  Set
        TYPE_MIN/MAX_VALUE to the limits of the compatible type,
        not to the enumerators.
        (set_decl_nonlocal): New.
        (store_parm_decls): Use it via walk_tree.
        (c_finalize): New.
        (finish_function): When !targetm.have_ctors_dtors,
        record static constructors and destructors here...
        (c_expand_body_1): ... not here.
        (c_expand_decl): Rename from c_expand_decl_stmt.
        Handle all C-specific expansion semantics.
        * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
        STMT_LINENO.
        * c-format.c (handle_format_arg_attribute): Initialize
        format_num.
        * c-lang.c: Include tree-inline.h
        (LANG_HOOKS_EXPAND_DECL,
        LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
        LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
        LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
        LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
        (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
        (c_types_compatible_p): New.
        * c-mudflap.c: New file.
        * c-objc-common.c: Include tree-mudflap.h
        (start_cdtor, finish_cdtor): Collapse
        together into
        (build_cdtor): ...here.  Update to construct a complete tree
        for the function.  No need to call push_scope, pop_scope, or
        clear_last_expr, or set current_function_cannot_inline.
        (c_missing_noreturn_ok_p): Change prototype to return
        bool.
        (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
        * c-opts.c (c_common_handle_option): Move handling of -fdump- to
        opts.c.
        (c_common_post_options): Don't ever use rtl inlining.
        * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
        * c-pragma.c (handle_pragma_redefine_extname): Define
        always.
        (init_pragma): Activate #pragma redefine_extname for mudflap.
        * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
        (pp_c_initializer): Accept any type CONSTRUCTOR.
        (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
        COMPLEX_TYPE.
        (decl_name_str): New local function.
        (pp_c_direct_declarator): Call it.
        (pp_c_primary_expression): Call it.
        (pp_c_id_expression): Call it.
        (pp_c_statement): Call it.
        (print_c_tree): Create new pp object.
        * c-pretty-print.h (pp_c_tree_decl_identifier,
        print_c_tree): Declare.
        * c-semantics.c: Include langhooks.h
        (lang_expand_stmt, lang_expand_decl_stmt,
        find_reachable_label_1, find_reachable_label,
        expand_unreachable_if_stmt, expand_unreachable_stmt,
        genrtl_do_stmt_1): Remove.
        (begin_stmt_tree): Don't check for changed filename.
        Call annotate_with_locus.
        (finish_stmt_tree): Don't set line for end of function.
        (build_stmt): Don't check type nodes for
        side effects.
        (build_stmt): Set TREE_SIDE_EFFECTS.
        Set EXPR_LOCUS instead of STMT_LINENO.
        (lang_expand_stmt, lang_expand_decl_stmt,
        expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
        genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
        genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
        genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
        genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
        genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
        genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
        find_reachable_label_1, expand_unreachable_if_stmt,
        expand_unreachable_stmt): Remove.
        (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
        * c-simplify.c: New file.
        * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
        (struct lang_type): Add fields enum_min and enum_max.
        (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
        (c_expand_decl, c_missing_noreturn_ok_p,
        c_types_compatible_p): Declare.
        * c-typeck.c (tagged_types_tu_compatible_p): Allow for
        compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
        (default_function_array_conversion): Rely on build to
        set TREE_CONSTANT.
        (parser_build_binary_op, pointer_diff): Likewise.
        (build_unary_op, build_binary_op): Likewise.
        (build_array_ref):
        (build_external_ref): Set TREE_INVARIANT.
        (build_c_cast, pop_init_level): Likewise.
        (process_init_element): Use ASM_VOLATILE_P.
        (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
        (c_finish_case): Call c_do_switch_warnings.
        * c.opt (fdump-): Remove.
        * calls.c (try_to_integrate): Remove.
        (prepare_call_address): Replace fndecl arg with a
        precomputed static chain value.
        (emit_call_1): New argument for full call expr.
        (flags_from_decl_or_type): Call special_function_p.
        (initialize_argument_information): Add argument
        may_tailcall.
        (purge_reg_equiv_notes): New.
        (expand_call): Do not try to expand calls inline.
        (fixup_tail_calls): New.
        * cfg.c: Include timevar.h and ggc.h.
        (bb_pool, edge_pool): Remove.
        (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
        (entry_exit_blocks): Remove.
        (rbi_pool): Declare.
        (init_flow): Do not create pools.
        Allocate entry/exit block.
        (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
        (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
        (unlink_block): Clear b->prev_bb and b->next_bb.
        (compact_blocks): Clear all slots of BASIC_BLOCK array.
        (dump_flow_info): Work on trees too.
        (dump_cfg_bb_info): New.
        (brief_dump_cfg): New.
        * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
        (find_edge): New.
        * cfgbuild.c (rtl_make_eh_edge): Rename from
        make_eh_edge.  Update all users.
        (find_basic_blocks): Don't call VARRAY_FREE on
        basic_block_info.
        * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
        and newpos2.
        (delete_unreachable_blocks): Return changed status.
        (merge_seq_blocks): New.
        * cfghooks.c: Include tree-flow.h
        (tree_register_cfg_hooks, ir_type): New.
        (redirect_edge_and_branch): Change return type to edge.
        (predict_edge, predicted_by_p, can_duplicate_block_p,
        duplicate_block, block_ends_with_call_p,
        block_ends_with_condjump_p, flow_call_edges_add): New.
        * cfghooks.h (redirect_edge_and_branch): Change return
        type to edge.
        (predict_edge, predicted_by_p, can_duplicate_block_p,
        duplicate_block, block_ends_with_call_p,
        block_ends_with_condjump_p, flow_call_edges_add): Declare.
        (redirect_edge_and_branch): Change return type to edge.
        (struct cfg_hooks): Add fields block_ends_with_call_p,
        block_ends_with_condjump_p, flow_call_edges_add,
        predict_edge, predicted_by_p, can_duplicate_block_p and
        duplicate_block.
        (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
        * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
        (fixup_reorder_chain): Use initialize_bb_rbi.
        (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
        (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
        (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
        (insn_locators_initialize): Use new info about blocks.
        * cfglayout.h (typedef struct reorder_block_def): Moved to
        basic_block.h.
        (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
        removed.
        * cfgloop.c: Include tree.h and tree-flow.h.
        * cfgloop.h (create_loop_notes): Declare.
        * cfgloopmanip.c (create_loop_notes): New.
        * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
        and duplicate_block fields.
        (create_basic_block_structure): Don't look at
        RTX_INTEGRATED_P.
        (rtl_block_ends_with_call_p): New.
        (rtl_block_ends_with_condjump_p): New.
        (need_fake_edge_p): Moved from cfganal.c.
        (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
        (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
        rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
        (cfg_layout_rtl_cfg_hooks): Ditto.
        * cgraph.c (cgraph_mark_reachable_node): Don't force nested
        functions to be reachable.
        * cgraphunit.c (decide_is_function_needed):
        * cgraphunit.c (decide_is_function_needed): Nested functions of extern
        inline functions don't need to be output.
        (cgraph_assemble_pending_functions): Don't do anything
        special for nested functions.
        (cgraph_mark_functions_to_output): Likewise.
        (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
        (cgraph_analyze_function): Use estimate_num_insns.
        (cgraph_mark_functions_to_output): Likewise.
        (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
        (cgraph_expand_function): Allow functions to not be
        emitted.
        (cgraph_remove_unreachable_nodes):
        (cgraph_recursive_inlining_p): Simplify.
        (lookup_recursive_calls,
        cgraph_decide_recursive_inlining): New.
        (cgraph_decide_inlining_*): Update calls of
        cgraph_mark_inline.
        * combine.c (get_pos_from_mask): Always set *plen.
        * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
        ftree-based-profiling, ftree-ccp, ftree-ch,
        ftree-combine-temps, ftree-copyrename, ftree-dce,
        ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
        ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
        ftree-lrs): Add.
        * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
        Undefine.
        * configure.ac: Add --enable-tree-browser option.
        Add --with-libbanshee option.
        Add GMPLIBS and GMPINC.
        * configure: Regenerate.
        * coverage.c (tree_ctr_tables): New.
        (coverage_counter_alloc): Use it.
        (build_ctr_info_value): Ditto.
        (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
        (tree_coverage_counter_ref): New.
        * coverage.h (coverage_counter_ref): Remove declaration.
        (rtl_coverage_counter_ref): Declare.
        (tree_coverage_counter_ref): Declare.
        * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
        (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
        * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
        (struct cse_basic_block_data): Rename enum values to not
        conflict with profile.h; update all uses.
        * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
        in comments.
        * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
        * diagnostic.h (debug_output_buffer, dump_generic_node,
        print_generic_stmt, print_generic_stmt_indented,
        print_generic_expr, print_generic_decl,
        debug_generic_expr, debug_generic_stmt, debug_c_tree):
        Declare.
        * dominance.c: Cache immediate dominators.
        * domwalk.c: New file.
        * domwalk.h: New file.
        * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
        (gen_subprogram_die): Generate a DIE for a named
        return value.
        (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
        (add_location_or_const_value_attribute): Likewise.
        (add_bound_info): Likewise.
        (gen_decl_die): Likewise.
        * emit-rtl.c (maybe_set_first_label_num): New.
        (copy_most_rtx): Don't copy the integrated flag.
        Copy the new return_val flag.
        * et-forest.c (MAX_NODES): Define.
        (record_path_before_1): Abort if len is greater than
        MAX_NODES.
        * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
        gen_eh_region_catch, gen_eh_region_allowed,
        gen_eh_region_must_not_throw, get_eh_region_number,
        get_eh_region_may_contain_throw, get_eh_region_tree_label,
        set_eh_region_tree_label, expand_resx_expr): New.
        (expand_eh_region_start, expand_start_catch): Use them.
        (expand_end_catch): Tidy.
        (note_eh_region_may_contain_throw): Take region argument.
        (note_current_region_may_contain_throw): New.
        (get_exception_filter): Export.
        (collect_eh_region_array): Export.
        (remove_unreachable_regions): Check ERT_TRY based on reachability
        of catches, not reachability of continue_label.  Never remove
        ERT_MUST_NOT_THROW regions.
        (collect_rtl_labels_from_trees): New.
        (convert_from_eh_region_ranges): Use it.
        (connect_post_landing_pads): Handle dying cleanups.
        (struct reachable_info): Add callback data.
        (add_reachable_handler): Invoke the callback.
        (foreach_reachable_handler): New.
        (reachable_handlers): Use it.
        (arh_to_landing_pad, arh_to_label): New.
        (can_throw_internal_1): Split out from can_throw_internal.
        (can_throw_external_1): Similarly.
        * except.h: Update.
        * explow.c (emit_stack_save): Remove savearea mode check.
        (update_nonlocal_goto_save_area): New.
        (allocate_dynamic_stack_space): Use it.
        (probe_stack_range): Never emit loop notes.
        * expmed.c (extract_fixed_bit_field): Always propagate the
        target for the shift if it is a REG.
        * expr.c: Include tree-iterator.h
        (is_zeros_p): Remove.
        (categorize_ctor_elements_1, categorize_ctor_elements): New.
        (count_type_elements): New.
        (mostly_zeros_p): Use them.
        (expr_wfl_stack): Remove.
        (convert_move): Do nothing if to and from are the same.
        (emit_block_move_via_loop): Don't emit LOOP notes.
        (emit_move_insn): Don't handle CONSTANT_P_RTX.
        (emit_move_insn_1): Don't generate inline warnings.
        (expand_vars, expand_var): Split from ...
        (expand_expr_1): ... here.
        (expand_expr_real, expand_expr_real_1):  Use new macros
        EXPR_LOCATION and EXPR_HAS_LOCATION.
        * expr.h (simplify_builtin_fputs,
        simplify_builtin_strcpy, simplify_builtin_strncpy,
        expand_var, fixup_tail_calls,
        update_nonlocal_goto_save_area): Declare.
        (lookup_static_chain, expand_inline_function,
        mark_seen_cases): Remove.
        (prepare_call_address): Change type of 2nd argument to
        rtx.
        * final.c (profile_function): Update static chain test.
        (final): Don't look at RTX_INTEGRATED_P.
        * flags.h (flag_mudflap, flag_mudflap_threads,
        flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
        flag_tree_dce, flag_tree_combine_temps,
        flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
        flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
        flag_tree_points_to): Declare.
        (enum pta_type): Declare.
        * flow.c (lang_missing_noreturn_ok_p): Remove.
        (check_function_return_warnings): Remove.
        (update_life_info): Update comments.
        (free_basic_block_vars): Don't call VARRAY_FREE for
        basic_block_info.
        (regno_uninitialized): Remove.
        * fold-const.c (int_const_binop): Make extern.
        (non_lvalue): Rely on build to set TREE_CONSTANT.
        (operand_equal_p): Replace only_const argument with
        flags.  Allow pure functions if OEP_PURE_SAME.
        (fold): Use OEP_ONLY_CONST.
        (invert_truthvalue) <NOP_EXPR> Break if argument is of
        boolean type.
        (fold_relational_hi_lo,
        nondestructive_fold_binary_to_constant,
        nondestructive_fold_unary_to_constant,
        fold_read_from_constant_string): New.
        * function.c (struct function): Remove calls_constant_p.
        (current_function_calls_constant_p): Remove.
        (inline_function_decl): Remove.
        (put_var_into_stack): Don't use it.
        (fix_lexical_addr): Likewise.
        (inline_function_decl): Remove extern declaration.
        (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
        (trampolines_created): Move to varasm.c.
        (free_after_compilation): Update for removed fields.
        (allocate_struct_function): Likewise.
        (delete_handlers, lookup_static_chain): Remove.
        (fix_lexical_addr): Don't consider non-local variable refs.
        (trampoline_address): Remove.
        (round_trampoline_addr): Move to builtins.c.
        (adjust_trampoline_addr): Remove.
        (expand_function_start): Update for changes to static chain
        and nonlocal goto handling.
        (initial_trampoline): Move to varasm.c.
        (expand_function_end): Don't build trampolines or kill
        unreferenced nonlocal goto labels.
        (free_after_compilation): Don't set it.
        (expand_function_end): Likewise.
        (setjmp_vars_warning): Rename from
        uninitialized_vars_warning, remove uninitialized vars warning.
        (uninitialized_vars_warning): Remove old comment
        and check for DECL_INITIAL, replace with a check of TREE_NO_WARNING
        and do not call the langhook.
        (expand_function_start, expand_function_end): Don't do
        function instrumentation here.
        (clear_block_marks): Rename from reorder_blocks_0, export.
        (blocks_nreverse): Export.
        (uninitialized_vars_warning): Use DECL_RTL_SET_P to test for presence
        of rtl.
        (reset_block_changes, record_block_change, finalize_block_changes,
        check_block_change, free_block_changes): New functions.
        (assign_parms): Setting of current_function_stdarg
        moved ...
        (allocate_struct_function): ... here.
        * function.h (struct function): Remove x_nonlocal_labels,
        x_nonlocal_goto_handler_slots, x_nonlocal_goto_stack_level,
        x_context_display, x_trampoline_list, needs_context.
        Add static_chain_decl, nonlocal_goto_save_area.
        (struct function): Remove x_clobber_return_insn.
        Add tail_call_emit field, last_label_uid,
        unexpanded_var_list, dont_emit_block_notes,
        ib_boundaries_block, function_end_locus and saved_tree/saved_args.
        (clear_block_marks): Declare.
        * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Add -fmudflapth support.
        (mfwrap_spec, mflib_spec): Declare.
        (cpp_unique_options, cc1_options): Ditto.
        (default_compilers): Add .F and .f90.
        (static_specs): Add mfwrap and mflib.
        * gcse.c (want_to_gcse_p, gcse_constant_p): Don't handle
        CONSTANT_RTX_P.
        (reg_used_on_edge, reg_killed_on_edge, bypass_block):
        Update to match insns field in struct edge_def.
        * gdbinit.in (pgs, pge): Define.
        * genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
        instead of the integrated flag.
        * gengtype-lex.l (IWOrD): Add HOST_WIDEST_INT
        * gengtype-yacc.y (bitfieldlen): Add empty action.
        (struct_fields): Accept unnamed bitfields.
        (bitfieldlen): Split from ...
        (bitfieldopt): ... here.
        * gengtype.c (ifiles): Add tree-alias-type.h and
        tree-flow.h.
        * genrecog.c (validate_pattern): Do not handle
        CONSTANT_P_RTX.
        * gimple-low.c: New file.
        * gimplify.c: New file.
        * haifa-sched.c (priority): Do not handle CONSTANT_P_RTX.
        (restore_line_notes): Do not set RTX_INTEGRATED_P.
        * ifcvt.c (dead_or_predicable): Initialize local variable
        'earliest'.
        * input.h (expr_wfl_stack): Remove.
        * integrate.c (INTEGRATE_THRESHOLD): Remove.
        (setup_initial_hard_reg_value_integration): Likewise.
        (initialize_for_inline): Likewise.
        (note_modified_parmregs): Likewise.
        (integrate_parm_decls): Likewise.
        (process_reg_param): Likewise.
        (save_parm_insns): Likewise.
        (copy_insn_list): Likewise.
        (copy_insn_notes): Likewise.
        (compare_blocks): Likewise.
        (find_block): Likewise.
        (inlining): Likewise.
        (function_cannot_inline_p): Likewise.
        (parmdecl_map): Likewise.
        (in_nonparam_insns): Likewise.
        (save_for_inline): Likewise.
        (FIXED_BASE_PLUS): Likewise.
        (expand_inline_function): Likewise.
        (copy_rtx_and_substitute): Don't look at map->integrating,
        map->inline_target, and inlining, since we are never copying
        for integrating.
        Don't abort on RTX_INTEGRATED_P.
        (old_fun): Remove.
        (output_inline_function): Remove.
        * integrate.h (struct inline_map): Remove fields integrating,
        block_map, leaf_reg_map, inline_target, and local_return_label.
        * jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
        copy_loop_headers, never_reached_warning): Removed.
        (any_uncondjump_p): Reject nonlocal goto.
        * langhooks-def.h (lhd_types_compatible_p,
        lhd_expand_decl, lhd_gimplify_expr): Declare.
        (LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
        LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED,
        LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
        LANG_HOOKS_GIMPLIFY_EXPR,
        LANG_HOOKS_GIMPLE_BEFORE_INLINING,
        LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
        LANG_HOOKS_GIMPLIFY_EXPR,
        LANG_HOOKS_GIMPLE_BEFORE_INLINING): Define.
        (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_START,
        LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED,
        LANG_HOOKS_RTL_EXPAND_INITIALIZER,
        LANG_HOOKS_DECL_UNINIT,
        LANG_HOOKS_RTL_EXPAND_INITIALIZER): Remove.
        * langhooks.c: Include tree-simple.h.
        (lhd_expand_decl): New.
        (lhd_types_compatible_p): New.
        (lhd_decl_uninit): Remove.
        (lhd_gimplify_expr): New.
        * langhooks.h (struct lang_hooks_for_rtl_expansion):
        Remove.
        (struct lang_hooks_for_functions): Add field
        missing_noreturn_ok_p.
        (struct lang_hooks): Add field expand_decl,
        types_compatible_p, gimplify_expr and
        gimple_before_inlining.
        Remove fields decl_uninit and rtl_expand
        * opts.c (decode_options): Set flag_tree_ccp,
        flag_tree_dce, flag_tree_dom, flag_tree_dse,
        flag_tree_pre, flag_tree_ter,
        flag_tree_live_range_split, flag_tree_sra,
        flag_tree_copyrename and flag_tree_ch at -O1 and higher.
        (common_handle_option): Handle OPT_fdump_, OPT_fmudflap,
        OPT_fmudflapth, OPT_fmudflapir,
        OPT_ftree_based_profiling, OPT_ftree_ccp, OPT_ftree_dce,
        OPT_ftree_combine_temps, OPT_ftree_ter, OPT_ftree_lrs,
        OPT_ftree_dominator_opts, OPT_ftree_copyrename,
        OPT_ftree_ch, OPT_ftree_dse, OPT_ftree_sra,
        OPT_ftree_points_to_ and OPT_ftree_pre.
        * output.h (regno_uninitialized, find_basic_blocks,
        cleanup_cfg, delete_unreachable_blocks,
        check_function_return_warnings): Remove.
        * params.def (PARAM_MAX_INLINE_INSNS_RECURSIVE,
        PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
        PARAM_MAX_INLINE_RECURSIVE_DEPTH,
        PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
        PARAM_GLOBAL_VAR_THRESHOLD, PARAM_MAX_ALIASED_VOPS):
        * params.h (GLOBAL_VAR_THRESHOLD, MAX_ALIASED_VOPS):
        Define.
        * passes.c (rest_of_decl_compilation):
        (rest_of_handle_sibling_calls): Remove.
        (rest_of_handle_inlining): Remove.
        (rest_of_handle_gcse): Do not run
        purge_builtin_constant_p.
        (rest_of_compilation): Update.
        Do not call copy_loop_headers.
        Do rtl-based profiling only when
        !flag_tree_based_profiling.  Register rtl-based profiling
        hooks.
        * predict.c:  Include tree-flow.h, ggc.h, tree-dump.h
        (predicted_by_p): Rename to ...
        (rtl_predicted_by_p): .. this one; make global
        (tree_predicted_by_p): New.
        (dump_prediction): Add FILE argument.
        (predict_edge): Rename to ...
        (rtl_predict_edge): .. this one.
        (tree_predict_edge): New.
        (combine_predictions_for_insn): Update calls of predict_edge.
        (predict_loops): Break out from ...
        (estimate_probability): ... here; update comments; move updating
        of unknown probabilities from ...
        (estimate_bb_frequencies): ... here.
        (combine_predictions_for_bb): New.
        (tree_predict_by_opcode): New.
        (tree_estimate_probability): New.
        * predict.def (PRED_TREE_POINTER, PRED_TREE_OPCODE_POSITIVE,
        PRED_TREE_OPCODE_NONEQUAL, PRED_TREE_FPOPCODE): New predictors.
        * predict.h: Add include guard.
        (predict_edge, predict_edge_def): Move prototypes to basic_block.h
        * pretty-print.c (pp_write_text_to_stream): Make extern.
        * pretty-print.h (pp_write_text_to_stream): Declare.
        * print-rtl.c (print_rtx): Don't print the integrated flag.
        Print the return_val flag.
        * print-tree.c: Use TREE_FILENAME and TREE_LINENO instead
        of DECL_SOURCE_FILE and DECL_SOURCE_LINE respectively.
        Remove support for EXPR_WITH_FILE_LOCATION nodes.
        (print_node): Print TREE_INVARIANT and TREE_VISITED.
        * profile.c: Include cfghooks.h, tree-flow.h.
        (profile_hooks): New.
        (profile_dump_file): New.
        (instrument_edges): Use hooks instead of RTL-specific code.
        (instrument_values): Ditto.
        (get_exec_counts): Ditto.
        (compute_branch_probabilities): Ditto.
        (compute_value_histograms): Ditto.
        (branch_prob): Ditto.
        (find_spanning_tree): Ditto.
        (end_branch_prob): Ditto.
        (gen_edge_profiler): Move to rtl-profile.c (rtl_gen_edge_profiler).
        (gen_interval_profiler): Ditto (rtl_gen_interval_profiler).
        (gen_pow2_profiler): Ditto (rtl_gen_pow2_profiler).
        (gen_one_value_profiler): Ditto (rtl_gen_one_value_profiler).
        (tree_register_profile_hooks): New.
        (rtl_register_profile_hooks): New.
        * ra-rewrite.c (rewrite_program): Clear variable info.
        * recog.c (immediate_operand): Do not handle CONSTANT_P_RTX.
        * regs.h: Add include guards.
        * reload.c (decompose): Clear val using memset.
        * rtl.def (CONSTANT_P_RTX): Remove.
        * rtl.h (CONSTANT_P): Do not handle CONSTANT_P_RTX.
        (copy_loop_headers): Remove.
        (struct rtx_def): Replace the integrated flag with the
        return_val flag.
        (maybe_set_first_label_num): Declare.
        (init_branch_prob): Move declaration to value-prof.h.
        (end_branch_prob): Ditto.
        (branch_prob): Ditto.
        (never_reached_warning): Don't declare it.
        * rtlanal.c (get_related_value): Initialize get_jump_table_offset
        (hoist_insn_to_edge): Update to match field insns in
        struct edge_def.
        * sbitmap.c (sbitmap_realloc): New.
        * sbitmap.h (sbitmap_realloc): Declare.
        * sibcall.c: Remove file.
        * simplify-rtx.c (simplify_rtx): Do not handle
        CONSTANT_P_RTX.
        * stmt.c (parse_output_constraint): Don't warn for read-write
        memory operand.
        (tail_recursion_args): Use types_compatible_p langhook.
        (force_label_rtx): Don't look at inline_function_decl.
        (label_rtx): Set LABEL_PRESERVE_P appropriately.
        (expand_label): Handle DECL_NONLOCAL and FORCED_LABEL.
        (declare_nonlocal_label): Remove.
        (expand_goto): Don't handle nonlocal gotos.
        (expand_nl_handler_label): Remove.
        (expand_nl_goto_receivers): Remove.
        (expand_end_bindings): Don't expand_nl_goto_receivers.  Use
        update_nonlocal_goto_save_area.
        (expand_expr_stmt_value): Check TREE_NO_WARNING.
        (warn_if_unused_value): Likewise.
        (expand_start_loop, expand_loop_continue_here,
        expand_end_loop): Don't create loop notes.
        (all_cases_count, BITARRAY_TEST, BITARRAY_SET,
        mark_seen_cases, check_for_full_enumeration_handling): Remove.
        (expand_end_case_type): Don't do warn_switch handling.
        (pushcase, pushcase_range) Update add_case_node calls.
        (add_case_node): Add dont_expand_label argument.
        (same_case_target_p): Don't search rtl.
        (expand_start_bindings_and_block, expand_end_bindings):
        Don't emit block notes when dont_emit_block_notes.
        (using_eh_for_cleanups_p): Export.
        (expand_return): Allow any typed rhs.
        (expand_stack_alloc): New.
        (expand_stack_save, expand_stack_restore): New.
        (containing_blocks_have_cleanups_or_stack_level): New
        function.
        (asm_op_is_mem_input): New fn.
        (expand_asm_expr): New fn.
        (warn_if_unused_value): Check operand 0 of SAVE_EXPR
        nodes.
        * stor-layout.c (layout_type): Just return if type is
        error_mark_node.
        (update_alignment_for_field): Export.
        (variable_size): We don't care about global_bindings_p if
        the frontend doesn't want a list of the expressions.
        * system.h: Poison INTEGRATE_THRESHOLD.
        * timevar.def (TV_TREE_GIMPLIFY, TV_TREE_EH, TV_TREE_CFG,
        TV_TREE_CLEANUP_CFG, TV_TREE_PTA, TV_TREE_MAY_ALIAS,
        TV_TREE_INSERT_PHI_NODES, TV_TREE_SSA_REWRITE_BLOCKS,
        TV_TREE_SSA_OTHER, TV_TREE_OPS,
        TV_TREE_SSA_DOMINATOR_OPTS, TV_TREE_SRA, TV_TREE_CCP,
        TV_TREE_SPLIT_EDGES, TV_TREE_PRE, TV_TREE_PHIOPT,
        TV_TREE_FORWPROP, TV_TREE_DCE, TV_TREE_CD_DCE,
        TV_TREE_DSE, TV_TREE_LOOP, TV_TREE_CH,
        TV_TREE_SSA_TO_NORMAL, TV_TREE_SSA_TO_NORMAL,
        TV_TREE_NRV, TV_TREE_COPY_RENAME, TV_TREE_SSA_VERIFY,
        TV_TREE_STMT_VERIFY, TV_DOM_FRONTIERS,
        TV_CONTROL_DEPENDENCES): Define.
        * toplev.c: Include tree-alias-common.h
        (current_file_decl, flag_mudflap, flag_mudflap_threads,
        flag_mudflap_ignore_reads, flag_tree_based_profiling,
        flag_tree_gvn, flag_tree_points_to, flag_tree_ccp,
        flag_tree_dce, flag_tree_ch, flag_tree_sra,
        flag_tree_combine_temps, flag_tree_ter,
        flag_tree_live_range_split, flag_tree_dom,
        flag_tree_copyrename, flag_tree_dse): Declare.
        (f_options): Add tree-based-profiling, tree-gvn,
        tree-pre, tree-ccp, tree-dce,
        tree-dominator-opts, tree-copyrename, tree-dse,
        tree-combine-temps, tree-ter, tree-lrs and tree-ch.
        (wrapup_global_declarations): Don't output nested inlined functions.
        (general_init): Call init_tree_optimization_passes.
        (process_options): Sorry for -ftree-based-profiling plus
        -ftest-coverage or -fprofile-values.
        * toplev.h (init_tree_optimization_passes,
        flag_tree_based_profiling): Declare.
        * tracer.c (tail_duplicate): Use cfghooks for bb duplication.
        * tree-alias-ander.c: New file.
        * tree-alias-ander.h: New file.
        * tree-alias-common.c: New file.
        * tree-alias-common.h: New file.
        * tree-alias-type.c: New file.
        * tree-alias-type.h: New file.
        * tree-browser.c: New file.
        * tree-browser.def: New file.
        * tree-cfg.c: New file.
        * tree-complex.c: New file.
        * tree-dfa.c: New file.
        * tree-dump.c (dump_enable_all): New.
        (dequeue_and_dump): Do not handle EXPR_WITH_FILE_LOCATION.
        (dump_node): Remove const from field suffix and swtch.
        (dump_files): Add null entry, .generic, .nested, .vcg,
        .xml and a match-all entry.
        (extra_dump_files, extra_dump_files_in_use,
        extra_dump_files_alloced): Declare
        (dump_option_value_info): Add raw, details, stats,
        blocks, vops, lineno, uid and all.
        (dump_register): New.
        (get_dump_file_info): New.
        (dump_begin): Call it.
        Do nothing for TDI_none.
        (dump_begin): Include phase number in dump filename.
        (dump_enable_all): New.
        (dump_switch_p_1): Split out from dump_switch_p.
        (dump_switch_p): Handle extra_dump_files.
        Start our scan at TDI_none + 1.
        If -fdump-tree-all was given, call dump_enable_all.
        * tree-dump.h: Include splay-tree.h.
        (dump_function, dump_function_to_file, dump_register):
        Declare.
        * tree-eh.c: New file.
        * tree-flow-inline.h: New file.
        * tree-flow.h: New file.
        * tree-inline.c: Re-write to handle inlining on GIMPLE.
        * tree-inline.h (walk_tree,
        walk_tree_without_duplicates): Move to tree.h.
        (estimate_num_insns): Declare.
        * tree-into-ssa.c: New file.
        * tree-iterator.c: New file.
        * tree-iterator.h: New file.
        * tree-mudflap.c: New file.
        * tree-mudflap.h: New file.
        * tree-nested.c: New file.
        * tree-nomudflap.c: New file.
        * tree-nrv.c: New file.
        * tree-optimize.c (dump_flags, vars_to_rename,
        in_gimple_form, all_passes, pass_gimple,
        pass_rebuild_bind, pass_all_optimizations, pass_del_cfg): Declare.
        (execute_gimple, execute_rebuild_bind,
        gate_all_optimizations, execute_del_cfg,
        register_one_dump_file, register_dump_files, dup_pass_1,
        init_tree_optimization_passes, execute_todo,
        execute_one_pass, execute_pass_list): New.
        (clear_decl_rtl): Remove.
        (tree_rest_of_compilation): Update to use tree
        optimizers.
        * tree-outof-ssa.c: New file.
        * tree-pass.h: New file.
        * tree-phinodes.c: New file.
        * tree-pretty-print.c: New file.
        * tree-profile.c: New file.
        * tree-simple.c: New file.
        * tree-simple.h: New file.
        * tree-sra.c: New file.
        * tree-ssa-alias.c: New file.
        * tree-ssa-ccp.c: New file.
        * tree-ssa-copy.c: New file.
        * tree-ssa-copyrename.c: New file.
        * tree-ssa-dce.c: New file.
        * tree-ssa-dom.c: New file.
        * tree-ssa-dse.c: New file.
        * tree-ssa-forwprop.c: New file.
        * tree-ssa-live.c: New file.
        * tree-ssa-live.h: New file.
        * tree-ssa-loop.c: New file.
        * tree-ssa-operands.c: New file.
        * tree-ssa-operands.h: New file.
        * tree-ssa-phiopt.c: New file.
        * tree-ssa-pre.c: New file.
        * tree-ssa.c: New file.
        * tree-ssanames.c: New file.
        * tree-tailcall.c: New file.
        * tree.c: Include tree-iterator.h, basic-block.h and
        tree-flow.h.
        (tree_node_kind): Add phi_nodes and ssa names.
        (tree_size): Handle PHI_NODE, EPHI_NODE, SSA_NAME,
        EUSE_NODE, EKILL_NODE, EEXIT_NODE and STATEMENT_LIST.
        (make_node_stat): Handle PHI_NODE and SSA_NAME.
        <'c'> Set TREE_INVARIANT.
        (copy_node_stat): Abort if trying to copy a
        STATEMENT_LIST.
        Clear TREE_VISITED.
        Clear annotation field.
        (build_constructor): Copy TREE_INVARIANT from vals.
        Don't clear TREE_CONSTANT.
        (expr_first, expr_last, expr_length): Remove.
        (staticp): Pass unknown component references to the language.
        (save_expr): Check TREE_INVARIANT instead of TREE_CONSTANT.
        (skip_simple_arithmetic): Likewise.
        (stabilize_reference_1): Likewise.
        (tree_node_structure): Handle PHI_NODE, EPHI_NODE,
        EUSE_NODE, EKILL_NODE, EEXIT_NODE, SSA_NAME and
        STATEMENT_LIST.
        (lhd_unsave_expr_now): Remove.
        (unsafe_for_reeval): Handle LABEL_EXPR and BIND_EXPR.
        (recompute_tree_invarant_for_addr_expr): New.
        (build1_stat): Clear EXPR_LOCUS and TREE_BLOCK.
        Call recompute_tree_invarant_for_addr_expr.
        Set TREE_INVARIANT accordingly.
        (build2_stat): Don't handle CALL_EXPR.
        (build3_stat): Don't call build2_stat for CALL_EXPRs.
        (build_expr_wfl): Remove.
        (annotate_with_file_line, annotate_with_locus): New.
        (simple_cst_equal): Call simple_cst_list_equal to compare
        CONSTRUCTOR_ELTS pointers.
        (iterative_hash_expr): Don't hash types associated
        with conversions.  Instead hash on the signedness of the
        toplevel object and the operand of the conversion.
        (dump_tree_statistics): Call ssanames_print_statistics
        and phinodes_print_statistics.
        (ephi_node_elt_check_failed, phi_node_elt_check_failed,
        add_var_to_bind_expr, build_empty_stmt, is_essa_node,
        needs_to_live_in_memory): New.
        (initializer_zerop): Handle VECTOR_CST.  Don't check
        AGGREGATE_TYPE_P for CONSTRUCTOR.
        * tree.def (FILTER_EXPR, CASE_LABEL_EXPR, RESX_EXPR,
        SSA_NAME, EUSE_NODE, EKILL_NODE, EPHI_NODE, EEXIT_NODE,
        PHI_NODE, CATCH_EXPR, EH_FILTER_EXPR, STATEMENT_LIST): Define.
        (GOTO_SUBROUTINE_EXPR): Change type to 's'.
        (CALL_EXPR): Add another operand.
        (EXPR_WITH_FILE_LOCATION): Remove.
        (SWITCH_EXPR): Add another operand.
        * tree.h: Update various comments.
        (union tree_ann_d): Forward declare.
        (struct tree_common): Add fields nowarning_flag,
        invariant_flag and visited.
        (EREF_NODE_CHECK, EPHI_NODE_ELT_CHECK,
        PHI_NODE_ELT_CHECK, EREF_NODE_CHECK, PHI_NODE_ELT_CHECK,
        EPHI_NODE_ELT_CHECK, TREE_BLOCK,
        STRIP_USELESS_TYPE_CONVERSION, CALL_EXPR_TAILCALL,
        TREE_NO_WARNING, FORCED_LABEL, TREE_INVARIANT,
        IS_EMPTY_STMT, EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME,
        EXPR_LINENO, EXPR_LOCATION, EXPR_HAS_LOCATION,
        EXIT_EXPR_COND, SWITCH_COND, SWITCH_BODY, SWITCH_LABELS,
        CASE_LOW, CASE_HIGH, CASE_LABEL, BIND_EXPR_VARS,
        BIND_EXPR_BODY, BIND_EXPR_BLOCK, GOTO_DESTINATION,
        ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, ASM_CLOBBERS,
        ASM_INPUT_P, ASM_VOLATILE_P, COND_EXPR_COND,
        COND_EXPR_THEN, COND_EXPR_ELSE, LABEL_EXPR_LABEL,
        CATCH_TYPES, CATCH_BODY, EH_FILTER_TYPES,
        EH_FILTER_FAILURE, EH_FILTER_MUST_NOT_THROW,
        SSA_NAME_VAR, SSA_NAME_DEF_STMT, SSA_NAME_VERSION,
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI, SSA_NAME_IN_FREE_LIST,
        PHI_RESULT, PHI_REWRITTEN, PHI_NUM_ARGS,
        PHI_ARG_CAPACITY, PHI_ARG_ELT, PHI_ARG_EDGE, PHI_ARG_DEF,
        EREF_PROCESSED, EREF_ID, EREF_NAME, EREF_STMT,
        EREF_RELOAD, EREF_SAVE, EREF_CLASS, EREF_INJURED,
        EREF_TEMP, EUSE_DEF, EUSE_PHIOP, EUSE_INSERTED,
        EUSE_LVAL, EPHI_NUM_ARGS, EPHI_ARG_CAPACITY,
        EPHI_ARG_ELT, EPHI_ARG_EDGE, EPHI_ARG_PRED, EPHI_ARG_DEF,
        EPHI_ARG_INJURED, EPHI_ARG_DELAYED_RENAME,
        EPHI_ARG_HAS_REAL_USE, EPHI_ARG_STOPS,
        EPHI_ARG_PROCESSED2, EPHI_IDENTITY, EPHI_IDENT_INJURED,
        EPHI_REP_OCCUR_KNOWN, EPHI_IDENTICAL_TO, EPHI_DOWNSAFE,
        EPHI_CANT_BE_AVAIL, EPHI_DEAD, EPHI_USES, EPHI_STOPS,
        TREE_VISITED, SSA_VAR_P, DECL_NUM_STMTS,
        DECL_HARD_REGISTER, DECL_PTA_ALIASVAR, LABEL_DECL_UID,
        DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL,
        STATEMENT_LIST_HEAD, STATEMENT_LIST_TAIL, TDF_RAW,
        TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO,
        TDF_UID,): Define.
        (TREE_NO_UNUSED_WARNING, EXPR_WFL_EMIT_LINE_NOTE,
        EXPR_WFL_NODE, EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME,
        EXPR_WFL_LINECOL, EXPR_WFL_LINENO, EXPR_WFL_COLNO,
        EXPR_WFL_SET_LINECOL): Remove.
        (phi_node_elt_check_failed, ephi_node_elt_check_failed,
        make_phi_node, init_phinodes, fini_phinodes,
        release_phi_node, phinodes_print_statistics,
        init_ssanames, fini_ssanames, make_ssa_name,
        release_ssa_name, ssanames_print_statistics,
        annotate_with_file_line, build_empty_stmt,
        annotate_with_locus, expr_only, categorize_ctor_elements,
        count_type_elements, add_var_to_bind_expr, is_essa_node,
        expand_stack_alloc, expand_stack_save,
        expand_stack_restore, add_case_node, operand_equal_p,
        nondestructive_fold_unary_to_constant,
        nondestructive_fold_binary_to_constant,
        fold_read_from_constant_string, int_const_binop,
        strip_float_extensions, simplify_builtin, c_strlen,
        recompute_tree_invarant_for_addr_expr,
        needs_to_live_in_memory, make_vector,
        setjmp_vars_warning, update_alignment_for_field,
        expand_asm_expr, asm_op_is_mem_input,
        containing_blocks_have_cleanups_or_stack_level,
        create_artificial_label, gimplify_function_tree,
        get_name, unshare_expr, walk_tree,
        walk_tree_without_duplicates, in_gimple_form): Declare.
        (struct tree_exp): Add fields locus and block.
        (struct tree_ssa_name, struct edge_def, struct
        tree_phi_node, struct tree_eref_common, struct
        tree_euse_node, struct ephi_arg_d, struct tree_ephi_node,
        union alias_var_def, struct tree_statement_list_node,
        struct tree_statement_list, enum operand_equal_flag): Declare.
        (enum tree_node_structure_enum): Add TS_SSA_NAME,
        TS_PHI_NODE, TS_EPHI_NODE, TS_EUSE_NODE, TS_EREF_NODE,
        TS_STATEMENT_LIST.
        (union tree_node): Add fields ssa_name, phi, eref, ephi,
        euse and stmt_list.
        (function_cannot_inline_p, uninitialized_vars_warning,
        save_for_inline, output_inline_function, all_cases_count,
        check_for_full_enumeration_handling,
        declare_nonlocal_label): Remove.
        (enum tree_dump_index): Add TDI_none, TDI_tu,
        TDI_generic, TDI_nested, TDI_vcg, TDI_xml.
        * unroll.c (unroll_loop): Don't clear map->inline_target.
        * unwind-sjlj.c (uw_install_context): Make a proper static inline
        function.
        * value-prof.c (value_prof_hooks): New.
        (find_values_to_profile): Rename to rtl_find_values_to_profile.
        Move rtl-specific bits in from branch_prob.
        (value_profile_transformations): Rename to
        rtl_value_profile_transformations.
        (struct value_prof_hooks): New.
        (rtl_value_prof_hooks): New.
        (rtl_register_value_prof_hooks): New.
        (tree_find_values_to_profile): New stub.
        (tree_value_profile_transformations): New stub.
        (tree_value_prof_hooks): New stub.
        (tree_register_value_prof_hooks): New stub.
        (find_values_to_profile): New.
        (value_profile_transformations): New.
        * value-prof.h: Add multiple inclusion guard.
        (struct histogram_value): Change rtx fields to void *.
        (rtl_register_value_prof_hooks): New declaration.
        (tree_register_value_prof_hooks): New declaration.
        (find_values_to_profile): New declaration.
        (free_profiled_values): New declaration.
        (value_profile_transformations): New declaration.
        (struct profile_hooks): New declaration.
        (init_branch_prob): Declaration moved from rtl.h.
        (branch_prob): Declaration moved from rtl.h.
        (end_branch_prob): Declaration mooved from rtl.h.
        (tree_register_profile_hooks): New declaration.
        (rtl_register_profile_hooks): New declaration.
        (tree_profile_hooks): New declaration.
        (rtl_profile_hooks): New declaration.
        * varasm.c: Include tree-mudflap.h.
        (TRAMPOLINE_ALIGNMENT): Remove.
        (make_decl_rtl): Call mudflap_enqueue_decl.
        (assemble_static_space):
        (assemble_trampoline_template): Set and return
        TRAMPOLINE_ALIGNMENT.
        * varray.c (element): Add GENERIC_PTR_NOGC entry.
        Add entry for 'tree *'.
        Add entry for struct edge_def *.
        (varray_copy): New.
        * varray.h (enum varray_data_enum): Add
        VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_EDGE and
        VARRAY_DATA_TREE_PTR.
        (union varray_data_tag): Corresponding changes.
        (VARRAY_GENERIC_PTR_NOGC_INIT, VARRAY_EDGE_INIT,
        VARRAY_TREE_PTR_INIT, VARRAY_GENERIC_PTR_NOGC,
        VARRAY_EDGE, VARRAY_TREE_PTR,
        VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_EDGE,
        VARRAY_PUSH_TREE_PTR, VARRAY_TOP_GENERIC_PTR_NOGC,
        VARRAY_TOP_EDGE, VARRAY_TOP_TREE_PTR): Define.

        * config/*/*: Various updates for changed macros, tree
        codes, etc.  Check ChangeLog.tree-ssa.

        * doc/cfg.texi: New file.
        * doc/tree-ssa.texi: New file.
        * doc/c-tree.texi: Document new codes.
        * doc/gccint.texi: Include new files.
        * doc/install.texi: Document new features.
        * doc/invoke.texi: Document new switches.
        * doc/passes.texi: Document new passes.
        * doc/rtl.texi: Update changed RTL codes.
        * doc/sourcebuild.texi: Update build instructions.
        * doc/standards.texi: Document Fortran changes.
        * doc/tm.texi: Update.

2004-05-12  Paolo Bonzini  <bonzini@gnu.org>

        Replace several arrays with a struct of arrays.
        * combine.c (struct reg_stat): New.
        (init_reg_last_arrays): Renamed to...
        (init_reg_last): ...this.  Callers adjusted.
        (reg_stat): New.
        (combine_instructions): Allocate it and use it.
        (reg_last_death, reg_last_set, reg_last_set_value,
        reg_last_set_label, reg_last_set_table_tick,
        reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
        reg_last_set_mode, reg_last_set_nonzero_bits,
        reg_last_set_sign_bit_copies): Replace throughout
        with items of reg_stat.

2004-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR optimization/15100
        * combine.c (distribute_notes): Don't create a dangling
        REG_LIBCALL/REG_RETVAL note.

2004-05-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_evneg): Rename to negv2si2.

        * config/rs6000/rs6000.c (bdesc_1arg): Change spe_evneg to
        negv2si2.

2004-05-11  Aldy Hernandez  <aldyh@redhat.com>

        * doc/md.texi (Standard Names): Fix typo in vec_init description.

2004-05-11  Geoffrey Keating  <geoffk@apple.com>

        * doc/gty.texi (GTY Options): Clarify example.

2004-05-11  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
        Add const qualifier to altivec vector type if one is needed.

2004-05-11  Paul Brook  <paul@codesourcery.com>

        * flags.h (flag_short_enums): Update comment.
        * opts.c (decode_options): Set flag_short_enums to 2.
        * toplev.c (flag_short_enums): Update comment.
        (process_options): Call default_short_enums target hook.

2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>

        PR target/14063
        * config/rs6000/altivec.md (altivec_dssall):
        Change to unspec_volatile.
        (altivec_dss): Likewise.

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

        * config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to
        vnor.
        ("one_cmplv8hi2"): Same.
        ("one_cmplv4si2"): Same.

2004-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/15130
        * config/sh/sh-protos.h (sh_expand_epilogue): Change prototype.
        * config/sh/sh.c (output_stack_adjust): Take the sibcall epilogue
        into account.  Compute the correct number of general registers
        for the return value.  Generate a special push/pop sequence when
        failing to get a temporary register for non SHmedia epilogue.
        (sh_expand_epilogue): Add an argument to show whether it's for
        sibcall or not.  Set the 3rd argument of output_stack_adjust to
        -1 if needed.
        (sh_need_epilogue): Call sh_expand_epilogue with 0.
        * config/sh/sh.md (sibcall_epilogue): Call sh_expand_epilogue
        with 1.
        (epilogue): Call sh_expand_epilogue with 0.

2004-05-10  Andrew Pinski  <pinskia@physics.uc.edu>

        * gcse.c (eliminate_partially_redundant_loads): Instead of returning early,
        goto a cleanup label.  After the cleanup, free the allocated memory.

2004-05-10  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vec_sld): Add overloads for
        argument/return types of 'vector bool int', 'vector bool short'
        and 'vector bool char'.

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

        * c-decl.c (store_parm_decls_newstyle): Correct test for a
        nested function.

2004-05-10  Richard Sandiford  <rsandifo@redhat.com>

        * read-rtl.c (read_rtx): Allow 's' and 'T' strings to be omitted,
        treating missing ones as "".
        * config/mips/mips.md: Remove constraints from match_operands and
        match_scratches if they appear in define_expands (except reload*),
        define_peephole2s, define_splits or attribute specifications.
        * config/mips/7000.md, config/mips/sb1.md: Remove match_operand
        constraint strings.

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

        * config/rs6000/rs6000.c (function_arg_boundary): Always align
        AltiVec vectors.
        (function_arg_advance): Pass TARGET_32BIT -mabi=no-altivec AltiVec
        vectors by refererence.  Align the same for TARGET_64BIT to a 16
        byte boundary.  Remove useless code.  Add function comment.
        (function_arg): Similarly.  Move gpr rs6000_mixed_function_arg
        call to where it belongs.
        (function_arg_partial_nregs): Return true for all TARGET_32BIT
        -mabi=no-altivec AltiVec vectors.  Fix debug output.
        (rs6000_va_arg): Adjust for AltiVec change.

2004-05-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
        (TARGET_DOUBLEWORD_ALIGN): Use it.
        (WCHAR_TYPE): Define.
        (WCHAR_SIZE_TYPE): Define.
        (SIZE_TYPE): Define.

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

        * config/rs6000/rs6000.c (function_arg_boundary): Align for ABI_V4
        when size is 8 bytes.
        (function_arg_advance): Account for stack space used by AltiVec
        args when -mabi=altivec.  Simplify alignment calculations.  For
        ABI_V4, pass AltiVec vectors by reference when -mabi=no-altivec.
        (function_arg): Similarly.
        (function_arg_pass_by_reference): True for ABI_V4 AltiVec when
        not AltiVec ABI.
        (rs6000_va_arg): Correct fp arg test.  Adjust for AltiVec change.
        Correct alignment, and align before testing reg count.  Remove
        TREE_THIS_VOLATILE from reg.  Don't emit unused labels.
        (rs6000_complex_function_value): Check TARGET_HARD_FLOAT and
        TARGET_FPRS here..
        (rs6000_function_value): .. not here before call.

2004-05-09  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md ("tstsflt_gpr"): Fix typo in unspec.

2004-05-09  Zack Weinberg  <zack@codesourcery.com>

        PR 15007
        * c-decl.c (current_file_decl): Rename to all_translation_units,
        adjust comment.
        (pop_scope): If popping file_scope, construct a
        TRANSLATION_UNIT_DECL and make it the context of all the
        symbols in the scope.
        (push_file_scope): Don't construct a TRANSLATION_UNIT_DECL here.
        (pushdecl): Clarify comment.  Do not set DECL_CONTEXT of
        anything to current_file_decl.
        (pushdecl_top_level): Likewise.
        (store_parm_decls_newstyle): Adjust check for nested function.
        (c_write_global_declarations): Update for renamed variable.

2004-05-09  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h
        (rs6000_conditional_register_usage): Protoize.

        * config/rs6000/rs6000.c (rs6000_conditional_register_usage): New.

        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Call
        function.

2004-05-08  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
        where op is a comparison operator and C1 and C2 are integer constants
        into a range check.
        (fold): Call fold_div_compare.

2004-05-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Document bootstrap
        problems with earlier versions of the GNU compiler.

2004-05-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
        Declare.

        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
        (rs6000_hard_regno_mode_ok): New.
        (rs6000_init_hard_regno_mode_ok): New.
        (rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.

        * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
        result.

2004-05-07  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vector, pixel, bool): Do not
        define as macros #ifdef __APPLE_ALTIVEC__.

2004-05-07  Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_mixed_function_arg):
        Generate appropriate parallels for vector arguments
        passed to vararg functions. (function_arg): make the call
        to rs6000_mixed_function_arg for vector args as needed.

2004-05-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_va_arg): Fix calculation of osize for
        EABI_FLOAT_VARARGS_P.

2004-05-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ISA_HAS_BRANCHLIKELY): Remove TARGET_MIPS5500.
        * config/mips/mips.c (override_options): Disable branch likely
        instructions if TUNE_MIPS5500.

2004-05-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (override_options): Allow the hi and lo registers
        to store any integral mode, not just MODE_INTs.

2004-05-07  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
        (TARGET_DOUBLEWORD_ALIGN): Use it.
        (WCHAR_TYPE): Define.
        (WCHAR_SIZE_TYPE): Define.
        (SIZE_TYPE): Define.

2004-05-07  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_emit_fp_unordered_jump): Use
        testb $4, %ah insn instead of sahf insn if !TARGET_USE_SAHF.

2004-05-07  Andrew Pinski  <pinskia@physics.uc.edu>

        * loop-doloop.c (doloop_valid_p): Make sure that body
        gets freed.

2004-05-07  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc-protos.h (sparc_skip_caller_unimp): New
        declaration.
        * config/sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Delete.
        (sparc_skip_caller_unimp): New global variable.
        (sparc_function_epilogue): Set 'sparc_skip_caller_unimp'.
        Use it instead of SKIP_CALLERS_UNIMP_P.
        * config/sparc/sparc.md (call expander): Add sanity check.
        (call_address_struct_value_sp32): Re-sync with expander.
        (call_symbolic_struct_value_sp32): Likewise.
        (return peepholes): Use 'sparc_skip_caller_unimp' instead
        of custom predicate.

2004-05-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c++/14962
        * c-pragma.c (handle_pragma_redefine_extname): Only change
        the assembler name of FUNCTION_DECLs and VAR_DECLs.

2004-05-07  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_log1p.
        (log1p_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize log1p_optab.
        * genopinit.c (optabs): Implement log1p_optab using log1p?f2
        patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG1P{,F,L}
        using log1p_optab.
        (expand_builtin): Expand BUILT_IN_LOG1P{,F,L} using
        expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2XP1.

        * config/i386/i386.c (ix86_emit_i387_log1p): New function.
        * config/i386/i386-protos.h (ix86_emit_i387_log1p):
        Prototype here.
        * config/i386/i386.md (UNSPEC_FYL2XP1): New unspec to represent
        x87's fyl2xp1 instruction.
        (*fyl2x_xf3): Rename insn definition to fyl2x_xf3.
        (fyl2xp1_xf3): New pattern to implement fyl2xp1 x87 instruction.
        (log1psf2, log1pdf2, log1pxf2): New expanders to implement log1pf,
        log1p  and log1pl built-ins as inline x87 intrinsics.

2004-05-07  Loren James Rittle  <ljrittle@acm.org>

        * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Proper redefinition.
        * config/arm/freebsd.h: Likewise.
        * config/ia64/freebsd.h: Likewise.
        * config/sparc/freebsd.h: Likewise.

2004-05-07  Hans-Peter Nilsson  <hp@axis.com>

        PR optimization/15296
        * reorg.c (fill_simple_delay_slots): Use next_real_insn when
        getting last consecutive label at a branch.
        (relax_delay_slots): Similar, near top of loop.

2004-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/15202
        * pa.md (movdi, movsi, movhi, movqi): Support move from shift amount
        register to general register.

2004-05-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (STACK_BOUNDARY): Use 128 bit for either
        TARGET_ALTIVEC or TARGET_ALTIVEC_ABI.
        * config/rs6000/sysv4.h (ABI_STACK_BOUNDARY): Likewise.
        (STACK_BOUNDARY): Delete.

2004-05-06  Stuart Hastings  <stuart@apple.com>

        * gcc/doc/invoke.texi: Restore -fgcse-after-reload doc from 1.421,
        mistakenly clobbered by 1.423.

2004-05-06  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Document -mvr4130-align.
        * config/mips/mips.h (MASK_VR4130_ALIGN, TARGET_VR4130_ALIGN)
        (TUNE_MIPS4120, TUNE_MIPS4130): New macros.
        (TUNE_MACC_CHAINS): Include TUNE_MIPS4120 and TUNE_MIPS4130.
        (TARGET_SWITCHES): Add -mvr4130-align and -mno-vr4130-align.
        * config/mips/mips.md: Include sched-int.h.
        (USEFUL_INSN_P, SEQ_BEGIN, SEQ_END, FOR_EACH_SUBINSN): New macros.
        (mips_rtx_costs): Set integer multiplication costs for TUNE_MIPS4130.
        (override_options): Enable -mvr4130-align at -O3 and above.
        (mips_sim_insn): New variable.
        (mips_sim): New structure.
        (mips_sim_reset, mips_sim_init, mips_sim_next_cycle, mips_sim_wait_reg)
        (mips_sim_wait_regs_2, mips_sim_wait_regs_1, mips_sim_wait_regs)
        (mips_sim_wait_units, mips_sim_wait_insn, mips_sim_record_set)
        (mips_sim_issue_insn, mips_sim_issue_nop, mips_sim_finish_insn)
        (vr4130_avoid_branch_rt_conflict, vr4130_align_insns): New functions.
        (mips_reorg): Call vr4130_align_insns.
        (vr4130_last_insn): New variable.
        (vr4130_true_reg_dependence_p_1, vr4130_true_reg_dependence_p)
        (vr4130_swap_insns_p, vr4130_reorder): New functions.
        (mips_sched_reorder, mips_variable_issue): Hook in vr4130 code.
        (mips_issue_rate): Return 2 for PROCESSOR_R4130.
        (mips_use_dfa_pipeline_interface): Return true for the same.
        * config/mips/4130.md: New file.
        * config/mips/mips.md: Include it.  Add a peephole2 to convert
        "mult;mflo" into "mtlo;macc".
        (*macc, *umul_acc_di, *smul_acc_di): Use $1 rather than $0 as the
        target of maccs.
        (*msac_using_macc): New pattern.

2004-05-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/5500.md (ir_vr55_store): Set latency to 0.
        (ir_vr55_hilo): Split into...
        (ir_vr55_mfhilo, ir_vr55_mthilo): ...these new reservations.
        (ir_vr55_imul_si, ir_vr55_imadd): Change latency to 5.
        (ir_vr55_imul_di): Change latency to 9.  Reserve vr55_mac for 4 cycles.
        Add various multiplication bypasses.
        * config/mips/mips.c (mips_rtx_costs): Adjust VR5500 costs for integer
        multiplication.

2004-05-06  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fscalexf4): Correct insn "mode"
        attribute to "XF".

2004-05-05  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_fmod and OTI_drem.
        (fmod_optab, drem_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize fmod_optab and drem_optab.
        * genopinit.c (optabs): Implement fmod_optab and drem_optab
        using fmod?f3 and drem?f3 patterns.
        * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_FMOD{,F,L}
        using fmod_optab and BUILT_IN_DREM{,F,L} using drem_optab.
        (expand_builtin): Expand BUILT_IN_FMOD{,F,L} and
        BUILT_IN_DREM{,F,L} using expand_builtin_mathfn_2 if
        flag_unsafe_math_optimizations is set.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FPREM_F,
        UNSPEC_FPREM_U, UNSPEC_FPREM1_F and UNSPEC_FPREM1_U.

        * config/i386/i386.c (ix86_emit_fp_unordered_jump): New function.
        * config/i386/i386-protos.h (ix86_emit_fp_unordered_jump):
        Prototype here.
        * config/i386/i386.md (UNSPEC_FPREM_F, UNSPEC_FPREM_U,
        UNSPEC_FPREM1_F, UNSPEC_FPREM1_U): New unspecs to represent x87's
        fprem and fprem1 instructions.
        (*x86_fnstsw_1): Change input parameter to (reg:CCFP 18).
        Rename insn definition to x86_fnstsw_1.
        (fpremxf4, fprem1xf4): New patterns to implement fprem and fprem1
        x87 instructions.
        (fmodsf3, fmoddf3, fmodxf3): New expanders to implement fmodf, fmod
        and fmodl built-ins as inline x87 intrinsics.
        (dremsf3, dremdf3, dremxf3): New expanders to implement dremf, drem
        and dreml built-ins as inline x87 intrinsics.

2004-05-05  Roger Sayle  <roger@eyesopen.com>

        * reload1.c (inherit_piecemeal_p): Mark parameters potentially unused.

2004-05-05  Ian Lance Taylor  <ian@wasabisystems.com>

        PR driver/9822
        * doc/invoke.texi (Spec Files): Remove documentation of %c.

2004-05-05  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md: Update the msub define_split for new mflo/mfhi
        representation.

2004-05-06  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protots.h (vfp_mem_operand): Rename ...
        (arm_coproc_mem_operand): ... To this.
        * config/arm/arm.c (arm_legitimate_address_p): Allow ldrd modes.
        (arm_legitimate_index_p): Ditto.
        (vfp_mem_operand): Rename ...
        (arm_coproc_mem_operand): ... To this.  Handle writeback modes.
        (vfp_secondary_reload_class): Use it.
        (output_move_double): Use doubleword load/store instructions.
        (arm_hard_regno_mode_ok): Only allow even reg pairs for ldrd.
        * config/arm/arm.h (TARGET_LDRD): Define.
        (EXTRA_CONSTRAINT_STR_ARM): Add 'Uy'.
        * config/gcc/arm/arm.md (arm_movdi): Allow all valid memory operands.
        New splitter for invalid doubleword loads.
        * config/arm/iwmmxt.md (iwmmxt_arm_movdi): Use Uy constraint.
        * config/arm/vfp.md (arm_movdi_vfp): Allow all valid memory operands.
        * doc/md.texi: Document Uy constraint.

2004-05-05  Jan Hubicka  <jh@suse.cz>

        PR opt/14980
        * cgraphunit.c (cgraph_remove_unreachable_nodes): Deal properly with
        inline clones.

2004-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/15290
        * config/i386/i386.c (ix86_split_to_parts): Use real_to_target
        instead of REAL_VALUE_TO_TARGET_LONG_DOUBLE.

2004-05-05  Mike Stump  <mrs@apple.com>

        * config/darwin-c.c (add_framework): Copy the directory name as it
        can be freed later.  Also, ensure we always allocate enough room
        for the cached framework information.
        (find_subframework_header): Keep track of the directory where the
        subframework header was found.
        (framework_construct_pathname): Speed up by not trying to re-add a
        framework.
        * cppfiles.c (search_path_exhausted): Arrange for the missing
        header callback to be able to set the directory where the header
        was found.
        (cpp_get_dir): Add.
        * cpplib.h (missing_header_cb): Add a parameter.
        (cpp_get_dir): Add.

2004-05-03  Mike Stump  <mrs@apple.com>

        * doc/invoke.texi (Directory Options): Document -iquote.
        * doc/cpp.texi: Likewise.
        * doc/cppopts.texi: Likewise.
        * c-opts.c (c_common_missing_argument): Add -iquote processing.
        (c_common_handle_option): Likewise.
        * c.opt (iquote): Add.
        * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -iquote.
        * c-incpath.c (merge_include_chains): Update comment to use -iquote.

        * c-opts.c (case OPT_I): Deprecate -I- support.
        * doc/invoke.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/cppopts.texi: Likewise.

2004-05-05  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (free_basic_block_vars): Update prototype.
        * flow.c (free_basic_block_vars): Remove the keep_head_end_p
        argument.
        (life_analysis): Update call.
        * ifcvt.c (if_convert): Likewise.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
        * passes.c (rest_of_handle_final): Likewise.
        (rest_of_compilation): Likewise.
        * config/sh/sh.c (sh_output_mi_thunk): Likewise.

        * emit-rtl.c (next_real_insn): Use INSN_P.
        (prev_real_insn): Likewise.

2004-05-05  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md: Update the madd define_split for new mflo/mfhi
        representation.

2004-05-05  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.c (build_opaque_vector_type):
        New function.
        (rs6000_init_builtins): Use it.

2004-05-04  Bernard Giroud  <bgiroud2@free.fr>

        * gcc/gcc/vmsdbgout.c (vms_func_node, vms_func_ref): New.
        (func_table): Change type from char ** to vms_func_ref.
        (write_rtnbeg):  Update to reflect func_table change.  Use
        fde->funcdef_number instead of rtnnum in output.
        (write_rtnend, vmxdbgout_begin_function, vmsdbgout_init): Likewise.

2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
            Richard Henderson  <rth@redhat.com>

        PR target/14899

        * c-common.c (vector_types_convertible_p): New function.
        * c-typeck.c (comptypes): Recurse on vector types.
        (convert_for_assignment): Use vector_types_convertible_p.
        (digest_init): Use vector_types_convertible_p to check
        validness of constant vector initializers; otherwise treat
        them as scalars.
        * tree.c (make_or_reuse_type): New.
        (build_common_tree_nodes): Use it.
        * cp/call.c (standard_conversion): Likewise.
        * cp/typeck.c (comptypes): Recurse on vector types.
        (convert_for_assignment): Use vector_types_convertible_p.

2004-05-04  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.c (override_options): Default to no
        generation of branch-likely operations when tuning for
        CPUs where they tend to have a negative performance impact
        (e.g., SB-1).

2004-05-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_constructor_field): Don't call store_constructor
        if bitsize is not a multiple of a byte.

2004-05-04  Richard Sandiford  <rsandifo@redhat.com>

        * reload1.c (inherit_piecemeal_p): New function.
        (emit_reload_insns): When reloading a group of hard registers, use
        inherit_piecemeal_p to decide whether the values of individual hard
        registers can be inherited.

2004-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        * config/ia64/t-ia64 (LIB2ADDEH): Remove gthr-gnat.c.
        * config/s390/t-tpf (LIB2ADDEHDEP): Likewise.
        * config/t-linux (LIB2ADDEHDEP): Likewise.

2004-05-04  Paul Brook  <paul@codesourcery.com>

        * config/arm/crti.asm: Push an even number of registers.
        * config/arm/crtn.asm: And restore them.  Load via sp.

2004-05-04  Paolo Bonzini  <bonzini@gnu.org>

        * ggc-zone.c (ggc_alloc_zone_1): Add MEM_STAT_DECL parameter.
        Collect overhead information.
        (ggc_alloc_stat): New name of ggc_alloc.  Add MEM_STAT_DECL
        parameter and pass it through.
        (ggc_alloc_typed_stat): New name of ggc_alloc_typed.  Add
        MEM_STAT_DECL parameter and pass it through.
        (ggc_alloc_zone_stat): New name of ggc_alloc_zone.  Add
        MEM_STAT_DECL parameter and pass it through.

2004-05-03  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h: Protoize rs6000_hard_regno_nregs.

        * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): New.

        * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Call
        rs6000_hard_regno_nregs.

2004-05-03  Eric Christopher  <echristo@redhat.com>

        * config/s390/s390.c (s390_emit_prologue): Call unspec tpf
        prologue insn instead of setting up call.
        (s390_emit_epilogue): Ditto.
        * config/s390/s390.md (prologue_tpf, epilogue_tpf): New patterns.
        (define_constants): Add numbers for above patterns.

2004-05-03  Eric Christopher  <echristo@redhat.com>

        * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
        * config/s390/s390.c (s390_conditional_register_usage): ...here.
        * config/s390/s390-protos.h: Prototype.

2004-05-03  Joe Buck <jbuck@welsh-buck.org>

        * cppfiles.c (pchf_adder): Eliminate use of |= in d->have_once_only
        assignment.

2004-05-03  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md: Fix branch length attribute definition.

2004-05-03  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Remove --enable-altivec support.

        * config/rs6000/altivec-defs.h: Remove.

2004-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (svr4_profil): Don't apply on IRIX 5/6.
        * fixinc/fixincl.x: Regenerate.

2004-05-03  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fyl2x_sfxf3, *fyl2x_dfxf3): Remove insn
        definition.
        (log?f2, log10?f2, log2?f2): Reimplement expanders with
        float_truncate insn.
        (*fxtractsf3, *fxtractdf3): Remove insn definition.
        (logb?f2): Reimplement expanders with float_truncate insn.

2004-05-03  Graham Stott  <graham.stott@btinternet.com>

        PR 14718
        * dwarf2out.c (dwarf2out_imported_module_or_decl): Use
        force_type_die for CONST_DECL.

2004-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (sparc64-*-solaris2*, sparcv9-*-solaris2*): Add
        tm-dwarf2.h to tm_file.
        (sparc-*-solaris2*): Add tm-dwarf2.h to tm_file for Solaris 7+.
        * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Delete.
        (ASM_DEBUG_SPEC): Delete.

2004-05-03  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_expm1.
        (expm1_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize expm1_optab.
        * genopinit.c (optabs): Implement expm1_optab using expm1?f2
        patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXPM1{,F,L}
        using expm1_optab.
        (expand_builtin): Expand BUILT_IN_EXPM1{,F,L} using
        expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (expm1df2, expm1sf2, expm1xf2): New expanders
        to implement expm1, expm1f and expm1l built-ins as inline x87
        intrinsics.

2004-05-02  Alexandre Oliva  <aoliva@redhat.com>

        2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.md (*return_true, *return_false): New patterns.

2004-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.h (PHI_NODE_P): Remove.

2004-05-02  Eric Botcazou  <ebotcazou@act-europe.fr>

        PR middle-end/14988
        * function.c (assign_stack_local_1): Use BITS_PER_UNIT alignment
        when passed -2 as 'align'.
        (put_var_into_stack): Use 'bool' as the type for the three local
        predicates.  Adjust calls to put_reg_into_stack.
        When passed a CONCAT, instruct put_reg_into_stack to use
        a consecutive stack slot for the second part.
        (put_reg_into_stack): Remove 'promoted_mode' parameter, add
        'consecutive_p' parameter.  Turn the three predicates into 'bool'
        parameters.  Retrieve the register mode from 'reg'.
        When consecutive_p is true, instruct assign_stack_local_1 to use
        BITS_PER_UNIT alignment.
        (put_addressof_into_stack): Use 'bool' as the type for the two
        local predicates. Adjust call to put_reg_into_stack.

2004-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (fold_convert_const, fold): Add missing
        FIX_ROUND_EXPR case.

2004-05-02  Alexandre Oliva  <aoliva@redhat.com>

        * configure.ac (FLEX, BISON): Only use tools from the build tree
        if build equals host.
        * configure: Rebuilt.

        * config/frv/frv-protos.h (frv_expand_epilogue,
        frv_expand_fdpic_call): Add bool argument.
        * config/frv/frv.c (frv_function_ok_for_sibcall): New.
        (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to it.
        (frv_expand_epilogue): Use new argument to decide whether to emit
        return instruction or copy the return address to LR.
        (frv_expand_fdpic_call): Inline PLT entry when emitting direct
        sibcalls.
        (sibcall_operand): New.
        * config/frv/frv.h (PREDICATE_CODES): call_operand doesn't match
        PLUS nor LABEL_REF.  Add sibcall_operand.
        * config/frv/frv.md (call, call_value): Pass false to
        frv_expand_fdpic_call.
        (call_fdpicdi, call_value_fdpicdi): Insert %i0 in calll.
        (sibcall, sibcall_internal, sibcall_fdpicdi, sibcall_value,
        sibcall_value_internal, sibcall_value_fdpicdi): New.
        (return_unsigned_true, return_unsigned_false): New.
        (epilogue): Adjust call to frv_expand_epilogue.
        (sibcall_epilogue): New.

        * config/frv/frv.h (ASM_SPEC): Pass -mno-fdpic as -mnopic.
        (CPP_SPEC, CPP_SIMPLE_SPEC): Undefine __FRV_ACC__ and __FRV_FPR__
        before redefining them.

2004-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_fixed_mathfn): New function.
        (fold_builtin_lround, fold_builtin): Use it.

2004-05-01  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default
        also for TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3.

2004-05-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.h: Revert my "fix comment typos" patch.

2004-05-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (TUNE_MACC_CHAINS): Fix comment.

2004-05-01  Falk Hueffner  <falk@debian.org>

        * config/alpha/alpha.md (builtin_insbl, builtin_inswl,
        builtin_insll): Disallow 0 as first input operand.

2004-05-01  Falk Hueffner  <falk@debian.org>

        * config/alpha/alpha.c (alpha_rtx_costs): Fix shiftadd costs.

2004-05-01  Ulrich Weigand  <uweigand@de.ibm.com>

        PR middle-end/15054
        * expr.c (expand_expr_real): Do not call preserve_temp_slots
        on a TARGET_EXPR temp.
        * function.c (assign_stack_temp_for_type): Set 'keep' flag for
        TARGET_EXPR temp slots.

2004-05-01  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_ternary_operation): When
        converting an IF_THEN_ELSE to a relational op, return
        correct mode.

2004-04-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_round): Fix comment typo.
        (fold_builtin_lround): New function.
        (fold_builtin): Use it.

2004-04-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/11608
        * config/sh/elf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Update and make it
        more like the one in config/dbxelf.h.

2004-04-30  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (SET_ARRAY_OR_VECTOR_CHECK): Rename to SET_OR_ARRAY_CHECK
        and adjust definition accordingly.
        (TYPE_DOMAIN): Allow only SET_TYPE and ARRAY_TYPE.
        (TYPE_DEBUG_REPRESENTATION_TYPE): Allow only VECTOR_TYPE.
        * expr.c (store_constructor): Do not access TYPE_DOMAIN of a
        VECTOR_TYPE.

2004-04-30  Jason Merrill  <jason@redhat.com>

        PR c++/14587
        * config/i386/winnt.c (associated_type): Look for attributes on
        the TYPE_MAIN_VARIANT of *this.
        * attribs.c (decl_attributes): If ATTR_FLAG_TYPE_IN_PLACE, also
        apply the attributes to the variants.

2004-04-30  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Simplify arm --with-{cpu,tune} test.
        * config/arm/arm-cores.def: Document whitespace restrictions.

2004-04-30  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR other/1963
        * config/alpha/osf.h (SWITCHES_NEED_SPACES): Define.

2004-04-30  Brian Ford  <ford@vss.fsi.com>
            DJ Delorie  <dj@redhat.com>

        * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
        (DWARF2_DEBUGGING_INFO): Define to enable.
        (DBX_REGISTER_NUMBER): Define to use the svr4 register map for
        DWARF2.
        * configure.ac (Target-specific assembler checks)
        <i[34567]86-*-[cygwin*|pe|mingw32*]>: New test for .secrel32
        relocs.
        * configure: Regenerate.
        * config.in: Likewise.

        * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
        (ASM_OUPUT_DWARF_OFFSET): Define.

2004-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_emit_epilogue): Parameter added.
        (s390_emit_call): New function prototype added.
        (s390_tls_get_offset): Function removed.
        * config/s390/s390.c (s390_function_ok_for_sibcall,
        s390_call_saved_register_used_p): New functions.
        (TARGET_FUNCTION_OK_FOR_SIBCALL): Definition of target macro added.
        (s390_tls_get_offset): Function merged into s390_emit_tls_call_insn.
        (s390_emit_tls_call_insn): New function.
        (legitimize_tls_address): Call s390_emit_tls_call_insn instead of
        emit_call_insn.
        (s390_emit_prologue): Use s390_emit_call instead of emit_call_insn.
        (s390_emit_epilogue): Like s390_emit_prologue. Parameter for sibcalls
        added.
        * config/s390/s390.h (SIBCALL_REGNUM): New macro representing the
        register number used to hold the target address for sibcalls.
        * config/s390/s390.md ("sibcall", "sibcall_value", "sibcall_epilogue"):
        New expanders.
        ("*sibcall_br", "*sibcall_brc", "*sibcall_brcl", "*sibcall_value_br",
        "*sibcall_value_brc", "*sibcall_value_brcl"): New insns.
        ("call_exp", "call_value_exp", "call_value_tls", "call_value_tls_exp"):
        Expanders removed.
        ("call", "call_value"): Call s390_emit_call to emit the call patterns.
        ("*bras", "*brasl", "*bras_r", "*brasl_r", "*bras_tls", "*brasl_tls",
        "*basr", "*basr_r", "*basr_tls"): Added constraint: !SIBLING_CALL_P.
        ("epilogue"): Changed the call to s390_emit_epilogue to use the
        new parameter.

2004-04-30  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, c-opts.c, cfglayout.c, cgraph.c, cgraphunit.c,
        cppfiles.c, fold-const.c, ggc-zone.c, loop-doloop.c, optabs.c,
        reg-stack.c, varasm.c, config/alpha/ev4.md,
        config/alpha/ev5.md, config/alpha/ev6.md, config/arm/arm.c,
        config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.c,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
        config/frv/frv.h, config/frv/frv.md, config/h8300/h8300.c,
        config/i386/i386.c, config/i386/i386.md, config/i386/winnt.c,
        config/ia64/itanium2.md, config/ip2k/ip2k.c,
        config/mips/mips.c, config/mips/mips.h, config/mips/sr71k.md,
        config/pa/pa.c, config/s390/s390.c, config/sh/sh.c: Fix
        comment typos.

2004-04-30  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Default ep9312 to hard-float.
        * config/arm/arm-cores.def: Add ARCH field.
        * config/arm/arm.c (FL_FOR_ARCH*): Define.
        (arm_arch_cirrus): New variable.
        (all_cores): Set and use arch.
        (all_architectures): Ditto.
        (arm_arch_name): New variable.
        (arm_override_options): Set it. Use [SUB]TARGET_CPU_DEFAULT.
        Set and use arm_arch_cirrus.
        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set arch defines.
        (enum processor_type): Update ARM_CORE define.
        (enum target_cpus): Add.  Replaces TARGET_CPU_* defines.
        (CPP_SPEC): Remove %(cpp_cpu_arch).
        (CPP_ARCH_DEFAULT_SPEC): Remove.
        (CPP_CPU_ARCH_SPEC): Remove.
        (EXTRA_SPECS): Don't use CPP_*ARCH*_SPEC.
        (FPUTYPE_DEFAULT): Don't define here.

2004-04-30  J"orn Rennecke <joern.rennecke@superh.com>

        * flow.c (propagate_one_insn): Call mark_set_regs for stack pointer
        updates too.

2004-04-30  Paul Brook  <paul@codesourcery.com>

        * arm.c (arm_needs_doubleword_align): Use mode alignment.

2004-04-30  Paolo Bonzini  <bonzini@gnu.org>

        * config/altivec/altivec.h [__cplusplus] (vec_subsubs): Rename to
        vec_sububs.
        [__cplusplus] (vec_subsuhs): Rename to vec_subuhs, without
        duplicates.

2004-04-30  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (atansf2, atandf2, atanxf2): Move near
        atan2?f3 expanders.

2004-04-29  Nick Clifton  <nickc@redhat.com>

        Bug 14093
        * config/sh/sh-protos.h (sh_promote_prototypes): Declare.
        * config/sh/sh.c (sh_promote_prototypes): Remove declaration.
        Delete static from definition.
        * config/sh/sh.h (FUNCTION_VALUE): Add sh_promote_prototypes call.

2004-04-30  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (subst_stack_regs_pat): <UNSPEC_SIN, UNSPEC_COS,
        UNSPEC_FRNDINT, UNSPEC_F2XM1>: abort() if src1 dies.
        <UNSPEC_SINCOS_COS, UNSPEC_TAN_ONE, UNSPEC_XTRACT_FRACT>: Same.
        <UNSPEC_SINCOS_SIN, UNSPEC_TAN_TAN, UNSPEC_XTRACT_EXP>: Same.

2004-04-29  Richard Guenther  <richard.guenther@uni-tuebingen.de>

        * commom.opt (Wfatal-errors): Add it.
        * diagnostic.c (flag_fatal_errors): Define it.
        (diagnostic_action_after_output): Check for flag_fatal_errors.
        * flags.h (flag_fatal_errors): Declare it.
        * opts.c (common_handle_option): Add OPT_Wfatal_errors.
        * doc/invoke.texi (Warning Options): Document -Wfatal-errors.

2004-04-30  Josef Zlomek  <zlomekj@suse.cz>

        * gcse.c (remove_reachable_equiv_notes): Delete notes also in
        blocks which have kill flag set.

2004-04-29  Ben Elliston  <bje@au.ibm.com>

        * configure.ac (--with-as): Abort if user-supplied assembler
        cannot be executed.
        (--with-ld): Likewise for the linker.
        * configure: Regenerate.

2004-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_integer): Ensure `long_integer_type_node'
        isn't NULL before using it.

2004-04-29  Richard Sandiford  <rsandifo@redhat.com>

        PR target/15189
        * config/mips/mips.md (load_df_low): Use default length.
        (load_df_high, store_df_high): Likewise.

2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/mips.md, config/mips/sb1.md,
        config/rs6000/rs6000.c: Fix comment typos.

2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c, cgraph.c, cgraphunit.c, final.c, fold-const.c:
        Fix comment typos.

2004-04-29  Douglas B Rupp  <rupp@gnat.com>

        * gcc.c (DELETE_IF_ORDINARY): New macro default definition.
        (delete_if_ordinary): Use above macro.
        * config/alpha/xm-vms.h (DELETE_IF_ORDINARY): New macro VMS definition.
        Update copyright.
        * doc/hostconfig.texi (DELETE_IF_ORDINARY): Document new macro.

2004-04-29  Richard Earnshaw  <rearnsha@arm.com>

        * c-decl.c (get_parm_info): Use the correct tag keywords when
        warning about type declarations in prototypes.

2004-04-29  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Pull list of cores from arm-cores.def.

2004-04-29  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx): Adjust call to use
        simplify_relational_operation.  Do not use SELECT_CC_MODE
        when a comparison already has a MODE_CC mode.

2004-04-29  Paolo Bonzini  <bonzini@gnu.org>

        (simplify_set): simplify_relational_operation may now
        return another relational expression.
        * cse.c (fold_rtx): simplify_relational_operation now
        takes of computing the comparison mode.
        * dojump.c (compare_from_rtx): Use simplify_relational_operation,
        remove dead code.
        (do_compare_rtx_and_jump): Likewise.
        * integrate.c (subst_constants): simplify_relational_operation
        may now return another relational expression.
        * simplify-rtx.c (simplify_gen_relational): Move most code to
        the new simplify_relational_operation and
        simplify_relational_operation_1 functions.
        (simplify_relational_operation): Rewritten.
        (simplify_relational_operation_1): New function.
        (simplify_ternary_operation): simplify_relational_operation
        may now return another relational expression.
        (simplify_rtx): Remove unnecessary temp variable.

2004-04-29  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (swap_to_top): New function.
        (subst_stack_regs_pat): UNSPEC_FPATAN, UNSPEC_FYL2X: Use
        swap_to_top().
        (subst_stack_regs_pat): UNSPEC_FSCALE: Remove.
        (subst_stack_regs_pat): Handle UNSPEC_FSCALE_FRACT and
        UNSPEC_FSCALE_EXP.

        * config/i386/i386.md (UNSPEC_FSCALE): Remove.
        (*fscale_sfxf3, *fscale_dfxf3, *fscale_xf3): Remove insn pattern.
        (UNSPEC_FSCALE_FRACT, UNSPEC_FSCALE_EXP): New unspecs to represent
        x87's fscale insn.
        (*fscalexf4: Define new insn pattern to implement x87 fscale insn.
        (exp?f2, exp10?f2, exp2?f2): Use *fscalexf4 and float_truncate
        patterns.

2004-04-28  Serge Belyshev  <1319@bot.ru>

        PR 14944
        * coverage.c (read_counts_file): Fix usage of warning () call.
        * pretty-print.c (pp_base_format_text): Fix typo in the comment.

2004-04-28  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Objective-C Dialect Options): Don't prefix
        options with "-" in the option index.
        (SPARC Options): Likewise.
        (M32R/D Options): Likewise.

2004-04-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_integer): Convert (long)round -> lround,
        etc.

2004-04-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (registers_ok_for_quad_peep):
        Return false if we do not have fp register.
        (addrs_ok_for_quad_peep): Rename to ...
        (mems_ok_for_quad_peep): this.
        Add check for volatile memory.
        * config/rs6000/rs6000-protos.h (addrs_ok_for_quad_peep):
        Rename to ...
        (mems_ok_for_quad_peep): this.
        * config/rs6000/rs6000.md: Change peephole's for lfq/stq
        to peephole2's.
        (lfq_power2): New instruction.
        (stfq_power2): Likewise.

2004-04-28  Jan Hubicka  <jh@suse.cz>

        PR c/15004
        * function.c (do_warn_unused_parameter): Break out form ...
        (expand_function_end): ... here; warn only when not using cgraphunit.
        * function.h (do_warn_unused_parameter): Declare.
        * cgraphunit.c: Include function.h.
        (cgraph_finalize_function): Do unused parameter warning.
        * Makefile.in (cgraphunit.o): Depend on function.h

2004-04-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * Makefile.in ($(DESTDIR)$(infodir)/%.info): Don't condition
        calling install-info on $(DESTDIR)$(infodir)/dir already being
        present.

2004-04-28  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.c (mem_loc_descriptor): Handle shifts.

2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * gcse.c (find_moveable_store): Do not accept store insns with
        REG_EH_REGION note.

2004-04-28  Paul Brook  <paul@codesourcery.com>

        * calls.c (precompute_arguments): Remove PROMOTE_FOR_CALL_ONLY.
        * function.c (assign_temp): Ditto.
        * system.h (PROMOTE_FOR_CALL_ONLY): Poison.

2004-04-28  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm: Recognize armv5tej and armv6.

2004-04-28  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (variable_different_p): Add a parameter
        compare_current_location, compare current location of variable parts
        if it is true.
        (dataflow_set_different_1): Pass compare_current_location == false.
        (dataflow_set_different_2): Pass compare_current_location == false.
        (emit_notes_for_differences_1): Pass compare_current_location == true.

2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("casesi"): Mark jump table access as
        non-trapping and unchanging.

2004-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR debug/14829
        * dwarf2out.c (reg_number): Rename to dbx_reg_number.  Adjust all
        callers.
        (multiple_reg_loc_descriptor, reg_loc_descriptor): Use gcc register
        number for indexing hard_regno_nregs array.

2004-04-27  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.
        * config/darwin-crt2.c: Only have contents on __ppc__.

2004-04-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (call_insn_operand): Check
        SYMBOL_REF_EXTERNAL_P in addition to SYMBOL_REF_LOCAL_P.
        * config/xtensa/xtensa.h (LEGITIMATE_PIC_OPERAND): Likewise.
        * config/xtensa/xtensa.md (call, call_value): Likewise.

2004-04-27  Wu Yongwei  <adah@sh163.net>

        * gthr-win32.h (__gthread_mutex_t): Change typedef to new structure.
        (__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
        (__gthread_mutex_init_function): Replace CreateMutex with
        initialization of custom mutex using CreateSemaphore.
        (__gthread_mutex_lock): Use InterlockedIncrement.
        (__gthread_mutex_trylock): Use InterlockedCompareExchange.
        (__gthread_mutex_unlock): Use InterlockedDecrement and
        ReleaseSemaphore to unlock
        * config/i386/gthr-win32.c (__gthread_mutex_init_function,
        __gthread_mutex_lock, __gthread_mutex_trylock,
        __gthread_mutex_unlock): Adjust to match inline versions in
        gthr-win32.h.

2004-04-27  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_promote_prototypes): New function.
        (TARGET_PROMOTE_PROTOTYPES): Use it.

2004-04-27  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_expand_epilogue): Count blocks of 4 regs.

2004-04-26  Bernard Giroud  <bgiroud@free.fr>

        * config/alpha.c (alpha_end_function): For OpenVMS gas,
        correctly output .pdesc directive before .end.

2004-04-26  James E Wilson  <wilson@specifixinc.com>

        Bug 14927
        * config/ia64/ia64.md (movxf): New local op0.  Handle case where
        operands[0] is a SUBREG.  Handle case where operands[1] is a GR reg.

2004-04-26  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/hpux.h: Predefine __STDCPP__ when compiling C++.
        * config/pa/pa-hpux10.h: Likewise.
        * config/pa/pa-hpux11.h: Likewise.

2004-04-26  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Overall Options): Document default for -o
        for PCH files.

2004-04-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * builtins.c (expand_builtin_update_setjmp_buf): New function.
        (expand_builtin, case BUILT_IN_UPDATE_SETJMP_BUF): New case.
        * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): New code.

2004-04-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_legitimate_index_p): Correct iwmmxt offsets.

2004-04-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_legitimate_index_p): Correct maverick offsets.

2004-04-25  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold): Prefer fold_convert (negate_expr (...)) to
        fold (build1 (NEGATE_EXPR, ...)).  Optimize X / -1 as -X and
        X % -1 as 0.

2004-04-26  Hans-Peter Nilsson  <hp@bitrange.com>

        PR bootstrap/15141
        * except.c (connect_post_landing_pads): Delete insns after the
        barrier when generating a unwind_resume_libfunc call.

2004-04-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR/c++ 15119
        * tree.c (substitute_placeholder_in_expr, case 4): New case,
        for TARGET_EXPR.

2004-04-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
        __gcov_execv, __gcov_execvp, __gcov_execve): Do not declare when
        inhibit_libc is defined.

2004-04-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_linked_macc_p): Declare.
        * config/mips/mips.h (TUNE_MACC_CHAINS): New macro.
        * config/mips/mips.c (TARGET_SCHED_REORDER): Define.
        (TARGET_SCHED_VARIABLE_ISSUE): Define.
        (mips_adjust_cost): Move later in file, next to other sched hooks.
        (mips_macc_chains_last_hilo): New variable.
        (mips_linked_madd_p, mips_macc_chains_record, mips_macc_chains_reorder)
        (mips_promote_ready, mips_sched_reorder, mips_variable_issue): New.
        * config/mips/mips.md (may_clobber_hilo): New attribute.

2004-04-24  Roger Sayle  <roger@eyesopen.com>
            Bruce Korb  <bkorb@gnu.org>

        * fixinc/inclhack.def (aix_syswait_2): New fix.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/wait.h: Update for new test.

2004-04-24  Alan Modra  <amodra@bigpond.net.au>

        PR target/14960
        * config/rs6000/rs6000.c (rs6000_stack_info): Rename total_raw_size
        to non_fixed_size, and leave out fixed_size from the sum.
        (generate_set_vrsave): Correct clobbers.
        (rs6000_emit_epilogue): Test TARGET_ALTIVEC with TARGET_ALTIVEC_SAVE.
        (rs6000_function_value): Test TARGET_ALTIVEC and TARGET_ALTIVEC_ABI.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Likewise.
        (FUNCTION_ARG_REGNO_P): Likewise.

2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * expmed.c (expand_mult_highpart_adjust): Do not assume OP1
        is a CONST_INT.
        (expand_mult_highpart_optab): Call expand_mult_highpart_adjust
        with NARROW_OP1 instead of OP1.

2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __s390__
        and __s390x__ hosts.

2004-03-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (LIBGCOV): Add _gcov_fork, _gcov_execl, _gcov_execlp,
        _gcov_execle, _gcov_execv, _gcov_execvp, _gcov_execve.
        * builtin-types.def (BT_PID, BT_PTR_CONST_STRING, BT_FN_PID,
        BT_FN_INT_CONST_STRING_PTR_CONST_STRING,
        BT_FN_INT_CONST_STRING_PTR_CONST_STRING_PTR_CONST_STRING): New.
        * builtins.c (expand_builtin_fork_or_exec): New.
        (expand_builtin): Call it.
        * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP,BUILT_IN_EXECLE,
        BUILT_IN_EXECV, BUILT_IN_EXECVP, BUILT_IN_EXECVE, BUILT_IN_FORK): New.
        * c-common.c (PID_TYPE): New macro.
        (c_common_nodes_and_builtins): Initialize pid_type_node.
        * calls.c (special_function_p): Do not handle fork and exec.
        (expand_call): Do not handle ECF_FORK_OR_EXEC.
        * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
        __gcov_execv, __gcov_execvp, __gcov_execve): Declare.
        * libgcov.c (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
        __gcov_execv, __gcov_execvp, __gcov_execve): New.
        * tree.h (enum tree_index): Add TI_PID_TYPE.
        (pid_type_node): New macro.
        (ECF_FORK_OR_EXEC): Removed.

2004-04-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/13985
        * cfgloopmanip.c (fix_loop_placements): New prototype.
        Call fix_bb_placements on the preheader of loops that have
        been reparented.
        (remove_path): Adjust call to fix_loop_placements.

2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin7.h: New file.
        * config.gcc (*-*-darwin*): Add darwin7.h if the
        version is greater than 6.
        * config/darwin.h (TARGET_C99_FUNCTIONS): Define.
        (MATH_LIBRARY): Wrap in ifdefs.

2004-04-23  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c (arm_output_epilogue): Reverse the order of
        loading iWMMXt registers with a frame pointer.  Use post-increment
        without a frame pointer.
        (arm_expand_prologue): Reverse the order of saving iWMMXt registers.

2004-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * doc/invoke.texi (Optimize Options): Refer to "unit-at-a-time
        mode" rather than "-funit-at-a-time" since -O2 enables it
        without requiring -f* options.  Refer to -fprofile-generate and
        -fprofile-use correctly.  Move -funit-at-a-time among options
        enabled by -O.  Add information about unit-at-a-time caveats.

2004-04-22  Per Bothner  <per@bothner.com>

        * line-map.h (struct line_maps):  New field highest_line.
        (linemap_position_for_column):  Make non-inline function.
        (LINEMAP_POSITION_FOR_COLUMN):  New macro.
        * line-map.c (linemap_init):  Clear highest_line field.
        (linemap_add):  Set highest_line field.
        (linemap_line_start):  Minor optimization - use highest_line field.
        Reduce maximum column hint to 10000.  Update highest_line field.
        (linemap_position_for_column):  Moved from line-map.h.  Optimize a bit.
        * cpphash.h (struct cpp_reader):  Remove line field - instead use
        line_table->highest_line.
        (saved_line):  Remove unused field.
        (CPP_INCREMENT_FILE):  Don't do linemap_lookup - just use newest map.
        Use  line_table's highest_line field instead of cpp_reader's line.
        * cpplib.c (start_directive):  Likewise use highest_line field.
        (do_line, do_linemarker):  Likewise just use newest map.
        (_cpp_do_file_change):  Don't need to set cpp_reader's line field.
        * cpperror.c (cpp_error):  Likewise use highest_line field.
        * cppfiles.c (open_file_failed:  Likewise.
        (cpp_make_system_header):  Likewise use newest map and highest_line.
        * cppinit.c (cpp_create_reader):  Don't initialize removed field.
        * cpplex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
        skip_line_comment, skip_whitespace, _cpp_get_fresh_line,
        _cpp_lex_direct):  Likewise use highest_line.
        (_cpp_lex_direct):  Use new LINEMAP_POSITION_FOR_COLUMN macro.
        * cppmacro.c (_cpp_builtin_macro_text):  Likewise use highest_line,
        and use newest map.
        * cpppch.c (cpp_read_state):  Don't save+restore cpp_reader's line.
        * cpptrad.c (_cpp_overlay_buffer):  Don't save cpp_reader's line.
        (copy_comment, _cpp_scan_out_logical_line):  Likewise use highest_line.

2004-04-23  Alan Modra  <amodra@bigpond.net.au>

        PR bootstrap/14992
        * gcc.c (init_gcc_specs): Test USE_LD_AS_NEEDED, not HAVE_LD_AS_NEEDED.
        * config/linux.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/alpha/linux.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/arm/linux-elf.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/rs6000/linux.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/rs6000/linux64.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/sh/linux.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/sparc/linux.h (USE_LD_AS_NEEDED): Define.
        * gcc/config/sparc/linux64.h (USE_LD_AS_NEEDED): Define.

2004-04-22  Per Bothner  <per@bothner.com>

        * cppinit.c (cpp_read_main_file):  Return NULL rather than false.
        Fixes PR preprocessor/15067.

2004-04-23  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64intrin.h: Add intermediate cast to void * to
        avoid aliasing warning.

2004-04-22  Jan Hubicka  <jh@suse.cz>
            Mostafa Hagog <mustafa@il.ibm.com>

      * cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macro
      * cfgloopanal.c (expected_loop_iterations): Change the return value

2004-04-22  Jakub Jelinek  <jakub@redhat.com>

        * cselib.h (struct elt_loc_list): Remove canon_loc field.
        * cselib.c (new_elt_loc_list): Remove canon_loc initialization.
        (cselib_invalidate_mem): Remove all canon_loc and canon_x
        traces.

2004-04-22  Josef Zlomek  <zlomekj@suse.cz>

        Revert
        2004-04-20  Josef Zlomek  <zlomekj@suse.cz>

                * var-tracking.c (variable_part_different_p): Variable parts
                differ when the most recent locations differ.

2004-04-22  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Remove the MIPS -membedded-pic option.
        * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): Delete.
        (embedded_pic_offset): Delete.
        * config/mips/mips.h (MASK_EMBEDDED_PIC): Delete.  Shuffle other
        MASK_* constants.
        (TARGET_EMBEDDED_PIC): Delete.
        (TARGET_SWITCHES): Remove -m{no-,}embedded-pic.
        (ASM_SPEC): Remove -membedded-pic.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Remove embedded-pic handling.
        (ASM_OUTPUT_CASE_LABEL): Likewise.
        * config/mips/vxworks.h (ASM_SPEC): Remove -membedded-pic.
        * config/mips/windiss.h (ASM_SPEC): Likewise.
        * config/mips/mips.c (struct machine_function): Remove
        embedded_pic_fnaddr_rtx.
        (TARGET_ENCODE_SECTION_INFO): Remove override.
        (embedded_pic_fnaddr_reg, embedded_pic_offset): Delete.
        (override_options): Remove -membedded-pic handling.
        (print_operand): Remove handling of '%S'.
        (mips_select_section: Remove -membedded-pic handling.
        (mips_encode_section_info): Delete.
        (mips_output_conditional_branch): Remove mention of -membedded-pic.
        * config/mips/mips.md (define_attr length, movsi, movdi, jump): Remove
        -membedded-pic handling.
        (casesi, casesi_internal, casesi_internal_di, get_fnaddr): Delete.

2004-04-22  Alan Modra  <amodra@bigpond.net.au>

        * var-tracking.c (frame_base_decl): Remove useless GTY.

2004-04-21  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Error when
        user wants altivec and e500 instructions.

2004-04-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/14813
        * config/ia64/crtend.asm: Move pointer to __do_global_ctors_aux
        in .init_array section to ...
        * config/ia64/crtbegin.asm: Here.

        * config/ia64/crtend.asm: Mark __do_global_ctors_aux global
        and hidden if HAVE_INITFINI_ARRAY is defined.

2004-04-21  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips-protos.h (fp_register_operand, lo_operand): Declare.
        * config/mips/mips.c (mips_multipass_dfa_lookahead): Declare.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): New.
        (fp_register_operand, lo_operand): New.
        (mips_rtx_costs): Add TUNE_SB1 support.
        (mips_issue_rate): Add comment.  Add PROCESSOR_SB1 support.
        (mips_use_dfa_pipeline_interface): Add PROCESSOR_SB1 support.
        (mips_multipass_dfa_lookahead): New.
        * config/mips/mips.h (MASK_FP_EXCEPTIONS, TARGET_FP_EXCEPTIONS,
        TUNE_SB1): New.
        (TARGET_SWITCHES): Add -mfp-exceptions support.
        (TARGET_FP_EXCEPTIONS_DEFAULT): New.
        (BRANCH_COST): Fix whitespace.
        * config/mips/mips.md: Include sb1.md.
        * config/mips/sb1.md: New file.
        * doc/invoke.texi: Document -mfp-exceptions.

        * Makefile.in (fixinc.sh): Don't set or export WARN_CFLAGS.  Fix
        comment.
        * fixinc/Makefile.in (FL_LIST): Don't mention WARN_CFLAGS.
        (fixincl.o-warn): Delete.

2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000 (print_operand) ['z']:
        Change ifdef of TARGET_MACHO to if TARGET_MACHO.

2004-04-21 Daniel Jacobowitz  <drow@mvista.com>

        * config.gcc: Support --with-arch=iwmmxt for ARM.

2004-04-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expmed.c (expand_mult_highpart_optab): Use narrower version of OP1
        in two more places; remove unneeded force_reg

2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (symbol_ref_operand): Remove hack
        for TARGET_MACHO.
        (print_operand): For TARGET_MACHO check to see if we need a stub
        and output one if we need it.

        PR debug/15033
        * dwarf2out.c (rtl_for_decl_location): Check for NULL
        rtl.

2004-04-20  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.md (call_value_nogp): Add constraints for op0.
        (vall_value_gp): Likewise.

2004-04-20  DJ Delorie  <dj@redhat.com>

        * dwarf2out.c (rtl_for_decl_location): Adjust rtl for byte
        variables stored in word registers, then in memory.

2004-04-20  Eric Christopher  <echristo@redhat.com>

        * cp/parser.c (cp_parser_declaration): Move translate
        up before tokens are lexed.

2004-04-20  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_asin and OTI_acos.
        (asin_optab, acos_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize asin_optab and acos_optab.
        * genopinit.c (optabs): Implement asin_optab and acos_optab
        using asin?f2 and acos?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_ASIN{,F,L}
        using asin_optab, and BUILT_IN_ACOS{,F,L} using acos_optab.
        (expand_builtin): Expand BUILT_IN_ASIN{,F,L} and BUILT_IN_ACOS{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
        acossf2, acosxf2): New expanders to implement asin, asinf, asinl,
        acos, acosf and acosl built-ins as inline x87 intrinsics.

2004-04-20  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_legitimate_address_p): Use rtx_equal_p.

2004-04-20  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_expand_prologue): Fix size calculation.

2004-04-20  Paolo Bonzini  <bonzini@gnu.org>

        Revert part of 2004-04-17 change that moved -frename-registers
        to -O1.  -frename-registers is buggy.

        * toplev.c (flag_rename_registers): Initialize to 0.
        * doc/invoke.texi (Optimize options): Move -frename-registers
        to "Not triggered by any -O level" section.  Adjust commentary
        accordingly.

2004-04-20  Anil Paranjpe <anilp1@kpitcummins.com>

        * toplev.c (compile_file): Move targetm.asm_out.file_end call to end.

2004-04-20  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_legitimize_move): Generate special patterns
        for mflo and mfhi instructions.
        (mips_output_move): Remove mflo and mfhi handling.
        * config/mips/mips.md (UNSPEC_MFHILO): New unspec.
        (*mulsidi3_64bit): Update for new mfhi/mflo representation.
        Likewise various define_peephole2s.
        (*movdi_32bit, *movdi_64bit, *movsi_internal): Merge x<-J and x<-d
        alternatives.
        (*movdi_64bit, *movdi_64bit_mips16, *mov[shq]i_internal)
        (*mov[shq]i_mips16): Remove mflo and mfhi alternatives.
        (mfhilo_di, mfhilo_si): New patterns.

2004-04-20  Josef Zlomek  <zlomekj@suse.cz>

        * function.c (assign_parms): Force
        MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.

2004-04-20  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (variable_part_different_p): Variable parts differ
        when the most recent locations differ.

2004-04-19  James E Wilson  <wilson@specifixinc.com>

        * rtl.h (reg_set_last): Delete declaration.
        * rtlanal.c (reg_set_last): Delete.

2004-04-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_convert): Make function extern/public.
        * tree.h (fold_convert): Prototype here.
        * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
        expand_builtin_strrchr, expand_builtin_strpbrk,
        expand_builtin_mempcpy, expand_builtin_bcopy,
        expand_builtin_bzero, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp,
        stabilize_va_list, expand_builtin_sprintf,
        fold_trunc_transparent_mathfn, fold_builtin_logarithm,
        fold_builtin_exponent, fold_builtin_mempcpy,
        fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
        fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
        fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".

2004-04-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
        (move_from_CR_gt_bit): New.
        (cceq_ior_compare): Name previously unnamed pattern.  Disable for
        E500.
        (cceq_rev_compare): Name previously unnamed pattern.  Allow for
        E500.

        * config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
        (tstsfeq_gpr): Same.
        (cmpsfgt_gpr): Same.
        (tstsfgt_gpr): Same.
        (cmpsflt_gpr): Same.
        (tstsflt_gpr): Same.
        (e500_cceq_ior_compare): New.
        (e500_flip_gt_bit): New.

        * config/rs6000/rs6000.c (ccr_bit): Remove E500 specific code.
        (print_operand): Add 'c' and 'D'.
        (rs6000_generate_compare): Rewrite to generate correct rtl.
        (rs6000_emit_sCOND): Handle E500.
        (output_cbranch): Adjust for changes in rs6000_generate_compare.
        (output_e500_flip_gt_bit): New.

        * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
        Protoize.

2004-04-19  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (DWARF2_ADDR_SIZE): New.

2004-04-19  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Add AIX 5.1 assembler and archiver
        fix information.

2004-04-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, mips-sgi-irix5): Fix IRIX 5.3 IDO
        download URL.

2004-04-19  Daniel Jacobowitz  <drow@mvista.com>

        * stor-layout.c (layout_decl): Check DECL_PACKED before calling
        ADJUST_FIELD_ALIGN.  Check maximum_field_alignment after.

2004-04-19  Andrew PInski  <pinskia@physics.uc.edu>

        * builtins.c (fold_builtin_cabs): Remove fndecl parameter.
        (fold_builtin): Update caller to match.

        PR bootstrap/15009
        * bb-reorder.c (fix_up_fall_thru_edges): Init cond_jump.

        PR bootstrap/14999
        * builtins.c (fold_builtin_cabs): Mark fndecl as unused.

2004-04-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * varasm.c (compare_constant, case VIEW_CONVERT_EXPR): Add case.

        * expmed.c (expand_mult_highpart_adjust): Make OP1 valid for MODE.
        (expand_mult_highpart_optab): Likewise.
        (expand_mult_highpart): Make OP1 valid for WIDER_MODE, not MODE.

2004-04-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
        floatunssisf2, floatunssidf2): New patterns.

2004-04-18  Mark Mitchell  <mark@codesourcery.com>

        PR other/14918
        * doc/invoke.texi (-fprofile-generate): Document requirement to
        use -fprofile-generate when linking.

        * doc/extend.texi (Strong Using): Warn users against using this
        feature.

2004-04-18  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (m16_usym8_4, m16_usym5_4): Delete.
        * config/mips/mips.h (mips_entry, mips_string_length): Delete.
        (CONSTANT_POOL_BEFORE_FUNCTION, ASM_OUTPUT_POOL_EPILOGUE): Undefine.
        * config/mips/mips.c (struct mips16_constant): Renamed from struct
        constant.  Propogate change throughout file.
        (struct machine_function): Remove insns_len.
        (mips_string_length, mips16_strings, string_constants): Delete.
        (mips_classify_symbol): Return SYMBOL_CONSTANT_POOL for LABEL_REFs
        when generating mips16 code.  Remove special mips16 treatment of
        string constants.
        (mips_symbolic_constant_p): Allow mips16 constant pool accesses
        to have the form LABEL+CONSTANT.
        (mips_symbolic_address_p): Fix comment.
        (m16_usym8_4, m16_usym5_4): Delete.
        (mips_output_function_epilogue): Remove mips16 string handling.
        (mips_output_mi_thunk): Call mips16_lay_out_constants.
        (mips_select_section, mips_encode_section_info): Remove mips16
        string handling.
        (struct mips16_constant_pool): New.
        (add_constant): Take a mips16_constant_pool structure.  Keep pool
        sorted into order of ascending mode size.  Keep track of the highest
        possible start address, taking padding and the masking of the base PC
        value into account.
        (dump_constants_1): New function, split out from dump_constants.
        Handle vector constants.  Use gen_consttable_{int,float} rather than
        separate functions for each mode.
        (dump_constants): Simplify.  Use GET_MODE_ALIGNMENT.  Use gen_align
        rather than separate functions for each alignment.
        (mips_find_symbol): Delete.
        (mips16_insn_length): New function, split out from
        mips16_lay_out_constants.
        (mips16_rewrite_pool_refs): New function.
        (mips16_lay_out_constants): Rework. Remove string handling.
        Always create an inline constant pool.
        * config/mips/mips.md (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT)
        (UNSPEC_ALIGN): New constants.
        (UNSPEC_CONSTTABLE_[QHSD]I, UNSPEC_CONSTTABLE_[SD]F): Delete.
        (UNSPEC_ALIGN_[248]): Delete.
        (consttable_int, consttable_float, align): New patterns.
        (consttable_[qhsd]i, consttable_[sd]f, align_[248]): Delete.

2004-04-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_any_numeric): Correct typo in
        __unn_args_eq.

2004-04-17  Alan Modra  <amodra@bigpond.net.au>

        PR target/14715
        * config/rs6000/rs6000.c (rs6000_stack_info): Make parm_size agree
        with STARTING_FRAME_OFFSET.

2004-04-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PREDICATE_CODES): Add macc_msac_operand.
        * config/mips/mips.c (macc_msac_operand): New function.
        * config/mips/mips.md (*msac): Move after *macc.
        (*msac2): New.  Generalize macc-related peepholes so that they apply
        to msac too.

2004-04-17  Paolo Bonzini  <bonzini@gnu.org>

        * opts.c (decode_options): Do not enable flag_rename_registers
        and flag_web at -O3.
        * toplev.c (flag_rename_registers): Initialize
        flag_rename_registers and flag_web to
        AUTODETECT_FLAG_VAR_TRACKING.
        (default_debug_hooks): New global.
        (process_options): Initialize default_debug_hooks.  Warn if
        -fvar-tracking specified but not supported by the current
        debug format.  Do not run var tracking at -O0 or if not
        supported by the current debug format, even if
        -fvar-tracking was given.  If -fno-rename-registers
        is not specified, always run register renaming if var
        tracking is supported by the default debugging information
        format for the target, and we are at -O1 or higher; similarly
        for -fweb, but only at -O2 or higher.
        * doc/invoke.texi (Optimize Options): Document this.

2004-04-17  Richard Sandiford  <rsandifo@redhat.com>

        * configure.ac (gcc_cv_ld_as_needed): Use AC_CACHE_CHECK.
        * configure: Regenerate.

2004-04-17  Richard Sandiford  <rsandifo@redhat.com>

        * gcc.c (used_arg): Check whether an option has been removed.

2004-04-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default to DWARF-2
        debugging on Solaris 7 and up.

2004-04-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, mips-sgi-irix5): Reflect working
        IRIX 5 port.
        Remove -save-temps workaround, handled automatically.
        Require GNU binutils 2.15 for debugging.
        Remove SGI make warnings since GNU make is now required.
        (Specific, mips-sgi-irix6): Some markup fixes.
        Describe MIPSpro C problems and workarounds.
        Mention working O32 ABI support.
        Recommend GNU as 2.15 for O32 with debugging.
        Remove description of fixed structure pass/return bug.

2004-04-16  DJ Delorie  <dj@redhat.com>

        * sdbout.c (sdbout_one_type): Use TYPE_VALUES for enums, not
        TYPE_FIELDS.
        (sdbout_finish): Don't free deferred_global_decls; it's GC'd.

2004-04-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Remove unnecessary declarations for asm_out_file.

        * pa64-regs.h (DBX_REGISTER_NUMBER): Simplify and correct mapping of
        SAR register.  Fix comment.
        (ADDITIONAL_REGISTER_NAMES): Correct register number of SAR register
        (%cr11).

        * pa64-hpux.h (LIB_SPEC): Fix library specification used with GNU ld.

2004-04-16  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_override_options): Revert previous patch.
        * config/arm/t-xscale-elf: Disable iwmmxt multilibs until they can
        be safely built.

2004-04-16  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian
        bug.
        (TARGET_LITTLE_ENDIAN, TARGET_BIG_ENDIAN,
        TARGET_DEFAULT): Changed. Ditto.
        (LITTLE_ENDIAN_BIT, TARGET_CPU_DEFAULT,
        TARGET_ENDIAN_DEFAULT): Added. Ditto.
        * config/m32r/little.h (TARGET_LITTLE_ENDIAN): Deleted.
        (TARGET_ENDIAN_DEFAULT): Added.

2004-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def (BUILT_IN_ISDIGIT, BUILT_IN_ISXDIGIT): Mark with
        ATTR_CONST_NOTHROW_LIST.

2004-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR/middle-end 14915
        * builtins.c (expand_builtin_signbit): Test BYTES_BIG_ENDIAN, not
        BITS_BIG_ENDIAN.

2004-04-15  Pat Haugen  <pthaugen@us.ibm.com>

        * ra-debug.c (ra_print_rtx): Add break's to case legs.

2004-04-14  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (fixinc.sh): Set WARN_CFLAGS to empty string.

2004-04-14  Nathanael Nerode  <neroden@gcc.gnu.org>

        * libada-mk.in: New file.
        * configure.ac: Create libada-mk from libada-mk.in.
        * configure: Regenerate.

2004-04-14  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_logb and OTI_ilogb.
        (logb_optab, ilogb_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize logb_optab and ilogb_optab.
        * genopinit.c (optabs): Implement logb_optab and ilogb_optab
        using logb?f2 and ilogb?i2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOGB{,F,L}
        using logb_optab, and BUILT_IN_ILOGB{,F,L} using ilogb_optab.
        (expand_builtin): Expand BUILT_IN_LOGB{,F,L} and BUILT_IN_ILOGB{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_XTRACT_FRACT
        and UNSPEC_XTRACT_EXP.

        * config/i386/i386.md (*fxtractdf3, *fxtractsf3, *fxtractxf3): New
        patterns to implement fxtract x87 instruction.
        (logbdf2, logbsf2, logbxf2, ilogbsi2): New expanders to implement
        logb, logbf, logbl, ilogb, ilogbf and ilogbl built-ins as inline x87
        intrinsics.
        (UNSPEC_XTRACT_FRACT, UNSPEC_XTRACT_EXP): New unspecs to represent
        x87's fxtract insn.

2004-04-14  Eric Christopher  <echristo@redhat.com>

        * config/mips/t-elf: Enable multilibs by default.

2004-04-14  Andreas Tobler  <a.tobler@schweiz.ch>

        * bb-reorder.c (fix_crossing_conditional_branches): Adjust the
        previous fix to check HAVE_return at runtime too.

2004-04-14  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_override_options): If the user has not
        specified an ABI, then default to AAPCS for the iWMMXt processor.
        * config/arm/t-xscale-elf: Remove redundant multilib specifications.
        * config/arm/t-xscale-coff: Likewise.

2004-04-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_isdigit): New.
        (fold_builtin): Handle BUILT_IN_ISDIGIT.
        * defaults.h: Add TARGET_DIGIT0 and sort.
        * doc/tm.texi: Add TARGET_BS and TARGET_DIGIT0.

2004-04-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_cabs, fold_builtin): Use
        `mathfn_built_in' to determine the new builtin.
        * fold-const.c (fold): Likewise.

2004-04-14  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Rename MIPS's -mfix-vr4122-bugs to -mfix-vr4120.
        * config/mips/mips.h (MASK_FIX_VR4120): Renamed from MASK_FIX_VR4122.
        (TARGET_FIX_VR4120): Likewise TARGET_FIX_VR4122.
        (TARGET_SWITCHES): Replace -mfix-vr4122-bugs with -mfix-vr4120.
        (ASM_SPEC): Update accordingly.
        * config/mips/mips.c: Update after above renaming.
        * config/mips/mips.md, config/mips/t-vr, config/mips/vr.h: Likewise.
        * config/mips/vr4120-div.S: Renamed from vr4122-div.S.

2004-04-13  James E Wilson  <wilson@specifixinc.com>

        * c-opt.c (c_common_post_options): If this_input_filename is NULL,
        increment errorcount and return false instead of true.

2004-04-13  Uros Bizjak  <uros@kss-loka.si>:

        * optabs.c (expand_twoval_unop): Reorder function arguments.
        * builtins.c (expand_builtin_mathfn_3): Update calls to
        expand_twoval_unop.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_TAN_ONE
        and UNSPEC_TAN_TAN. Add missing comment.

        * config/i386/i386.md (*tandf3_1, *tansf3_1, *tanxf3_1): New
        patterns to implement fptan x87 instruction.
        (tandf2, tansf2, tanxf2): New expanders to implement tan, tanf
        and tanl built-ins as inline x87 intrinsics. Define corresponding
        peephole2 optimizers for 'fptan; fstp %st(0); fld1' sequence.
        (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): New unspecs to represent
        x87's fptan insn.

2004-03-13  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (fix_crossing_unconditional_branches): Use Pmode
        for LABEL_REFs.

        * defaults.h (HOT_TEXT_SECTION_NAME): Add leading dot.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Likewise.
        * doc/invoke.texi: Update to match.

        * varasm.c (unlikely_text_section): Use assemble_align instead of
        ASM_OUTPUT_ALIGN.  Use it in the correct place with an approximately
        correct alignment argument.

2004-04-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (emit_reload_insns): Set reg_has_output_reload to one
        after setting reg_last_reload_reg for optional output reloads.

2004-04-12  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.h (vec_mergeh, vec_mergel):
        Definition of these two macros are corrected by adding
        matchine right paren.

2004-04-12  Jonathan Larmour  <jifl@eCosCentric.com>

        * fix-header.c: kill(), putenv() and tzset() are POSIX not ANSI.

2004-04-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (output_387_reg_move): New function.
        * config/i386/i386-protos.h (output_387_reg_move): Prototype here.
        * config/i386/i386.md (*movsf_1, *movsf1_nointerunit,
        *movdf_nointeger, *movdf_integer, *movxf_nointeger, *movxf_integer,
        *extendsfdf2_1,  *extendsfxf2_1, *extenddfxf2_1, truncdfsf2_noop,
        truncxfsf2_noop, truncxfdf2_noop): Call output_387_reg_move.

2004-04-12  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-decl.c (finish_decl): Make a decl_stmt for a variable-sized
        TYPE_DECL.
        * c-semantics.c (genrtl_decl_stmt): Handle TYPE_DECL.
        * stmt.c (expand_decl): Remove redundant expansion of TYPE_DOMAIN.
        * stor-layout.c (variable_size): Don't check for MINUS_EXPR.
        Use skip_simple_arithmetic to find SAVE_EXPR.
        (force_type_save_exprs, force_type_save_exprs_1): New functions.
        * tree-inline.c (remap_type, case POINTER_TYPE, case REFERENCE_TYPE):
        Properly chain multiple pointers.
        (copy_tree_r): Copy a TYPE_DECL.
        * tree.c (variably_modified_type_p): Add some missing tests and
        make some other minor changes.
        * tree.h (force_type_save_exprs): New declaration.

2004-04-12  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation) <UDIV, DIV, UMOD, MOD>:
        Remove fall throughs.  Convert 0/x and 0%x into x&0 when x has
        side-effects.  Don't convert x/1.0 into x if we honor signaling NaNs.
        Convert x/-1.0 into -x if we don't honor signaling NaNs.  Convert
        x/-1 into -x.  Optimize x%1 into x&0 if x has side-effects.  Optimize
        x%-1 into 0 (or x&0 if x has side-effects).

2004-04-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Document why a pattern is not
        available.

        * config/rs6000/rs6000.c (rs6000_emit_cmove): Disable comparisons
        of floats on the E500.
        (branch_positive_comparison_operator): Do not allow NE even on the
        E500.

2004-04-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_assemble_integer): Change
        in_text_unlikely_section to in_unlikely_text_section.

2004-04-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_binary_op_with_conditional_arg):  Tweak
        calling convention to allow a NULL_TREE to be returned.  Factor
        sanity checks from callers, return NULL_TREE when appropriate.
        (fold): Handle COMPOUND_EXPR operands of binary expressions
        before COND_EXPR operands.  Use reorder_operands_p(a,b) to check
        whether a op (b,c) can be rewritten as (b, a op c).  Simplify
        calls to fold_binary_op_with_conditional_arg.

2004-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/mips/iris5.h (current_section_flags):  Add
        in_unlikely_executed_text and default case.

2004-04-11  Andreas Tobler  <a.tobler@schweiz.ch>

        * bb-reorder.c (fix_crossing_conditional_branches): Fix bootstrap
        failure on solaris. Place ifdef HAVE_return around gen_ret call.
        * cfgrtl.c (force_nonfallthru_and_redirect): Remove ifdef
        HAVE_return and place it around the place where it is needed.

2004-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * varasm.c (text_section): Use TEXT_SECTION_ASM_OP and
        ASM_OUTPUT_ALIGN instead of SECTION_FORMAT_STRING
        and NORMAL_TEXT_SECTION_NAME.
        (unlikely_text_section): Check targetm.have_named_sections
        instead of TARGET_ASM_NAMED_SECTION and use TEXT_SECTION_ASM_OP
        instead of SECTION_FORMAT_STRING.
        * config/mips/iris5.h (current_section_name): Add
        in_unlikely_executed_text case and move the abort into the switch.
        * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME): Remove.
        (NORMAL_TEXT_SECTION_NAME): Remove.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Remove.
        * defaults.h (SECTION_FORMAT_STRING): Remove.
        * tm.texi (NORMAL_TEXT_SECTION_NAME): Remove.
        (SECTION_FORMAT_STRING): Remove.

2004-04-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (common_type): Prefer long long to long when same
        precision.

2004-04-09  Zack Weinberg  <zack@codesourcery.com>

        PR 14887
        * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Look only at
        mode argument.
        * config/ia64/ia64.c (ia64_hpux_file_end): Check
        TREE_SYMBOL_REFERENCED on DECL_ASSEMBLER_NAME, not DECL_NAME.

2004-04-09  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (mode_signbit_p): New function to check whether
        an RTX is an immediate constant that represents the most significant
        bit of a given machine mode.
        (simplify_unary_operation) <NOT>: Optimize ~(X+C) as X ^ ~C, where
        C is the sign bit.
        (simplify_binary_operation) <PLUS>: Optimize (X^C1) + C2 as X^(C1^C2)
        when C2 is the sign bit.
        (simplify_binary_operation) <XOR>: Canonicalize X^C as X+C when C
        is the sign bit.  Optimize (X+C1) ^ C2 as X^(C1^C2) when C1 is the
        sign bit.

2004-04-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (mathfn_built_in): Check TYPE_MAIN_VARIANT, not
        TYPE_MODE.

2004-04-09  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-common.c (handle_noreturn_attribute): Use TYPE_READONLY instead
        of TREE_READONLY for types.

2004-04-09  Caroline Tice  <ctice@apple.com>

        * basic-block.h (struct edge_def):  Add new field, crossing_edge.
        (struct basic_block_def):  Add new field, partition.
        (UNPARTITIONED, HOT_PARTITION, COLD_PARTITION):  New constant macro
        definitions.
        (partition_hot_cold_basic_blocks): Add extern function
        declaration.
        * bb-reorder.c (function.h, obstack.h, expr.h, regs.h):  Add four new
        include statements.
        (N_ROUNDS): Increase the maximum number of rounds by 1.
        (branch_threshold): Add array value for new round.
        (exec_threshold): Add array value for new round.
        (push_to_next_round_p): New function.
        (add_unlikely_executed_notes): New function.
        (find_rarely_executed_basic_blocks_and_crossing_edges): New function.
        (mark_bb_for_unlikely_executed_section): New function.
        (add_labels_and_missing_jumps): New function.
        (add_reg_crossing_jump_notes): New function.
        (fix_up_fall_thru_edges): New function.
        (find_jump_block): New function.
        (fix_crossing_conditional_branches): New function.
        (fix_crossing_unconditional_branches): New function.
        (fix_edges_for_rarely_executed_code): New function.
        (partition_hot_cold_basic_blocks): New function.
        (find_traces):  Add an extra round for partitioning hot/cold
        basic blocks.
        (find_traces_1_round): Add a parameter.  Modify to push all cold blocks,
        and only cold blocks, into the last (extra) round of collecting traces.
        (better_edge_p): Add a parameter.  Modify to favor non-crossing edges
        over crossing edges.
        (bb_to_key):  Add code to correctly identify cold blocks when
        doing partitioning.
        (connect_traces): Modify to connect all the non-cold traces first, then
        go back and connect up all the cold traces.
        (reorder_basic_blocks):  Add call to add_unlikely_executed_notes.
        * cfg.c (entry_exit_blocks): Add initialization for partition field in
        entry and exit blocks.
        * cfgbuild.c (make_edges): Update current_function_has_computed_jump
        if we are doing hot/cold partitioning.
        * cfgcleanup.c (cfglayout.h): Add new include statement.
        (try_simplify_condjump): Modify to not attempt on blocks with jumps
        that cross section boundaries.
        (try_forward_edges): Likewise.
        (merge_blocks_move_predecessor_nojumps): Likewise.
        (merge_blocks_move_successor_nojumps): Likewise.
        (merge_blocks_move): Likewise.
        (try_crossjump_to_edge): Modify to not attempt after we have done
        the block partitioning.
        (try_crossjump_bb): Modify to not attempt on blocks with jumps that
        cross section boundaries.
        (try_optimize_cfg): Likewise.
        * cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
        jumps that cross section boundaries.
        * cfglayout.c (flags.h): Add new include statement.
        (update_unlikely_executed_notes):  New function.
        (fixup_reorder_chain):  Add code so when a new jumping basic block is
        added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
        updated appropriately.
        (duplicate_insn_chain):  Add code to duplicate the new NOTE insn
        introduced by this optimization.
        * cfglayout.h (scan_ahead_for_unlikely_executed_note):  Add new
        extern function declaration.
        * cfgrtl.c (can_delete_note_p):  Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
        list of notes that can be deleted.
        (create_basic_block_structure):  Add initialization for partition field.
        (rtl_can_merge_blocks):  Modify to test blocks for jumps that cross
        section boundaries.
        (try_redirect_by_replacing_jump):  Modify to not attempt on jumps that
        cross section boundaries.
        (commit_one_edge_insertion): Add code so newly created basic block
        ends up in correct (hot or cold) section.  Modify to disallow
        insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
        (rtl_verify_flow_info_1):  Add code to verify that no fall_thru edge
        crosses section boundaries.
        (cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
        cross section boundaries.
        (force_nonfallthru_and_redirect): Modify to make sure new basic block
        ends up in correct section, with correct notes attached.
        * common.opt (freorder-blocks-and-partition):  Add new flag for this
        optimization.
        * dbxout.c (dbx_function_end):  Add code to make sure scope labels at
        the end of functions are written into the correct (hot or cold)
        section.
        (dbx_source_file): Add code so writing debug file information
        doesn't incorrectly change sections.
        * defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
        in partitioning hot/cold basic blocks into separate sections.
        (SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
        section partitioning.
        (HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
        conditional branches can span all of memory.
        (HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
        unconditional branches can span all of memory.
        * final.c (scan_ahead_for_unlikely_executed_note):  New function.
        (final_scan_insn):  Add code to check for NOTE instruction indicating
        whether basic block belongs in hot or cold section, and to make sure
        the current basic block is being written to the appropriate section.
        Also added code to ensure that jump table basic blocks end up in the
        correct section.
        * flags.h (flag_reorder_blocks_and_partition):  New flag.
        * ifcvt.c (find_if_case_1):  Modify to not attempt if conversion if
        one of the branches has a jump that crosses between sections.
        (find_if_case_2): Likewise.
        (ifcvt): Modify to not attempt to mark loop exit edges after
        hot/cold partitioning has occurred.
        * opts.c (decode_options): Code to handle new flag,
        flag_reorder_blocks_and_partition; also to turn it off if
        flag_exceptions is on.
        (common_handle_option): Code to handle new flag,
        flag_reorder_blocks_and_partition.
        * output.h (unlikely_text_section): New extern function declaration.
        (in_unlikely_text_section): New extern function declaration.
        * passes.c (rest_of_handle_stack_regs):  Add
        flag_reorder_blocks_and_partition as an 'or' condition for calling
        reorder_basic_blocks.
        (rest_of_handle_reorder_blocks):  Add flag_reorder_blocks_and_partition
        as an 'or' condition for calling reorder_basic_blocks.
        (rest_of_compilation):  Add call to partition_hot_cold_basic_blocks.
        * print-rtl.c (print_rtx): Add code for handling new note,
        NOTE_INSN_UNLIKELY_EXECUTED_CODE
        * rtl.c  (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
        (REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
        cross between section boundaries.
        * rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  New note instruction,
        indicating the basic block containing it belongs in the cold section.
        (REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
        between hot and cold sections.
        * toplev.c (flag_reorder_blocks_and_partition):  Add code to
        initialize this flag, and to tie it to the command-line option
        freorder-blocks-and-partition.
        * varasm.c (cfglayout.h):  Add new include statement.
        (unlikely_section_label_printed):  New global variable, used for
        determining when to output section name labels for cold sections.
        (in_section):  Add in_unlikely_executed_text to enum data structure.
        (text_section):  Modify code to use SECTION_FORMAT_STRING and
        NORMAL_TEXT_SECTION_NAME macros.
        (unlikely_text_section):  New function.
        (in_unlikely_text_section):  New function.
        (function_section):  Add code to make sure beginning of function is
        written into correct section (hot or cold).
        (assemble_start_function):  Add code to make sure stuff is written to
        the correct section.
        (assemble_zeros):  Add in_unlikely_text_section as an 'or' condition
        to an if statement that was checking 'in_text_section'.
        (assemble_variable):  Add 'in_unlikely_text_section' as an 'or'
        condition to an if statement that was checking 'in_text_section'.
        (default_section_type_flags_1):  Add check: if in cold section
        flags = SECTION_CODE.
        * config/darwin.c (darwin_asm_named_section):  Modify to use
        SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
        * config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
        specifically for the i386.
        (HAS_LONG_UNCOND_BRANCH):  Defined this macro specifically for the i386.
        * config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
        text string to something more informative.
        (NORMAL_TEXT_SECTION_NAME): Add new definition.
        (SECTION_FORMAT_STRING):  Add new definition.
        * config/rs6000/rs6000.c (rs6000_assemble_integer):  Add
        '!in_unlikely_text_section' as an 'and' condition to an if statement
        that was already checking '!in_text_section'.
        * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
        sure these are properly defined for linux on ppc.
        * doc/invoke.texi  (freorder-blocks-and-partition): Add documentation
        for this new flag.
        * doc/rtl.texi (REG_CROSSING_JUMP):  Add documentation for new
        reg_note.
        * doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
        HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
        these new macros.

2004-04-08  Roger Sayle  <roger@eyesopen.com>

        * function.c (gen_mem_addressof): When changing the RTX from a REG
        to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.

2004-04-08  Roger Sayle  <roger@eyesopen.com>

        PR target/14888
        * config/i386/i386.md (truncdfsf2_noop, truncxfsf2_noop,
        truncxfdf2_noop): Provide dummy "fmov" implementations.

2004-04-08  Ian Lance Taylor  <ian@wasabisystems.com>

        * gcc.c (default_compilers): Add missing initializers.

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Return 1 if file was successfully mapped.

2004-04-08  Geoffrey Keating  <geoffk@apple.com>

        PR pch/13419
        PR pch/14137
        Radar #: 3315288
        * doc/invoke.texi (Precompiled Headers): Suggest -o
        to put an output file in a particular place.  Be more detailed
        about which options affect PCH validity and which options
        might not work.
        * c-pch.c (pch_matching): New.
        (MATCH_SIZE): New.
        (struct c_pch_validity): New field 'match'.
        (pch_init): Handle pch_matching.
        (c_common_valid_pch): Check pch_matching.

        * explow.c: Fix typo defining default of PROMOTE_FUNCTION_MODE.

2004-04-08  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi (Precompiled Headers): Warn about known
        problems.

2004-04-08  Danny Smith  <dannysmith@users.sourceforge.net>

        PR c++/14808
        * defaults.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): New macro. Default
        to 1 if ASM_OUTPUT_DEF is defined.
        * doc/tm.texi (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document.
        * config/i386/cygming.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): Define.
        Set to non-zero iff not a one_only decl.

2004-04-08  Paul Brook  <paul@codesourcery.com>

        * arm.h (CLASS_LIKELY_SPILLED_P): Define.

2004-04-08  Paul Brook  <paul@codesourcery.com>

        * explow.c (promote_mode): Use PROMOTE_FUNCTION_MODE instead of
        PROMOTE_FOR_CALL_ONLY.
        * config/arm/arm-protos.h (arm_function_value): Declare.
        * config/arm/arm.h (TARGET_PROMOTE_FUNCTION_ARGS): Define.
        (TARGET_PROMOTE_PROTOTYPES): Return false.
        (arm_function_value): New function.
        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Define.
        (FUNCTION_VALUE): Call arm_function_value.
        * config/cris/cris.h (PROMOTE_MODE): Rename ...
        (PROMOTE_FUNCTION_MODE): ... to this.
        (PROMOTE_FOR_CALL_ONLY): Remove.
        * config/mmix/mmix.h: Likewise.
        * config/s390/s390.h: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/sparc/sparc.c: Update comments about PROMOTE_MODE.
        * doc/tm.texi (PROMOTE_FUNCTION_MODE): Document.
        (TARGET_PROMOTE_FUNCTION_MODE, TARGET_PROMOTE_FUNCTION_RETURN): Update.
        (PROMOTE_FOR_CALL_ONLY): Remove.

2004-04-08  Joel Sherrill <joel@oarcorp.com>

        PR ada/14538
        * ada/5rosinte.adb: Remove fake mprotect() body.
        * ada/5rosinte.ads: Add SA_SIGINFO.
        * ada/5rtpopsp.adb: Rewrite to use new interface.
        * ada/init.c: Reorder so the simple single OS conditional __rtems__
        is tested before more complex ones which mix UNIX and embedded
        systems in the conditional.

2004-04-08  Joel Sherrill  <joel@oarcorp.com>

        PR ada/14665
        * ada/osint.adb (Find_Program_Name): Rework to properly handle
        filenames which end in .exe or have versioning suffixes like VMS.

2004-04-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/10129
        * config/darwin.c (darwin_encode_section_info): When the decl has
        a DECL_INITIAL, it is only defined also when it is not a common.

2004-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_isascii, fold_builtin_toascii): New.
        (fold_builtin): Handle BUILT_IN_ISASCII and BUILT_IN_TOASCII.

2004-04-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/ia64/ia64.c (ia64_encode_section_info): Don't prod
        global register variables.

2004-04-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        * fixinc/inclhack.def (rpc_xdr_lvalue_cast_a,
        rpc_xdr_lvalue_cast_b): New fixes.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/rpc/xdr.h: Add new tests.

2004-04-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Add MASK_MFCRF
        to power4 and power5 entries.

2004-04-06  Geoffrey Keating  <geoffk@apple.com>

        * c-common.h (pending_lang_change): Mark for PCH.

2004-04-07  Caroline Tice  <ctice@apple.com>

        * gcc.c (main): Move 'break' in main loops (on an error)
        to wait until error processing has occurred.

2004-04-06  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Stop changing enable_threads midstream.
        Replace uses of enable_threads_flag with enable_threads.
        * configure.ac: Replace uses of enable_threads_flag with
        enable_threads.  Improve autoconf quotation in one place.
        * configure: Regenerate.

2004-04-06  Uros Bizjak  <uros@kss-loka.si>

        * builtins.c: Implement support for sincos function.
        (expand_builtin_mathfn): Remove BUILT_IN_SIN{,F,L} and
        BUILT_IN_COS{,F,L}.
        (expand_builtin_mathfn_3): New function.
        (expand_builtin): Expand BUILT_IN_SIN{,F,L} and
        BUILT_IN_COS{,F,L} using expand_builtin_mathfn_3 if
        flag_unsafe_math_optimization is set.

        * optabs.h (enum optab_index): Add new OTI_sincos.
        (sincos_optab): Define corresponding macro.

        * optabs.c (init_optabs): Initialize sincos_optab.
        (expand_twoval_unop): New function.

        * genopinit.c (optabs): Implement sincos_optab using sincos?f3
        patterns.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_SINCOS_COS
        and UNSPEC_SINCOS_SIN.

        * config/i386/i386.md (sincosdf3, sincossf3, *sincosextendsfdf3,
        sincosxf3): New patterns to implement sincos, sincosf and sincosl
        built-ins as inline x87 intrinsics. Define splits for
        sindf2, sinsf2, *sinextendsfdf2, sinxf2, cosdf2,
        cossf2, *cosextendsfdf2 and cosxf2 patterns from corresponding
        sincos patterns.
        (sindf2, sinsf2, sinxf2): Rename to *sindf2, *sinsf2, *sinxf2.
        (cosdf2, cossf2, cosxf2): Rename to *cosdf2, *cossf2, *cosxf2.

        (UNSPEC_SINCOS_SIN, UNSPEC_SINCOS_COS): New unspecs to represent
        x87's fsincos insn.

2004-04-06  Devang Patel  <dpatel@apple.com>

        PR 14467
        * config/darwin.h (LINK_COMMAND_SPEC): Use c++filt instead of c++filt3.

2004-04-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi: Update HP-UX 11 installation procedure.

2004-04-06  Paul Brook  <paul@codesourcery.com>

        * doc/sourcebuild.texi: Remove obsolete contraint on testcases.

2004-04-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Use emit_call_insn
        when the TLS address is generated by a function call.
        * config/sh/sh.md (tls_global_dynamic): Use a call expression.
        (tls_local_dynamic): Likewise.

2004-04-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (reconstruct_complex_type): Use TYPE_READONLY
        and TYPE_VOLATILE.

2004-04-05  Caroline Tice  <ctice@apple.com>

        * gcc.c (combine_flag): New global variable, for new driver option.
        (struct compiler): Add two new fields, to be used when
        combining multiple input files in a single pass (IMA).
        (default_compilers):  Add values for the new fields to all
        compiler entries. Modify the "@c" compiler entry for doing IMA
        properly with "-save-temps" and the "combine" flag.
        (option_map):  Add new driver option, "--combine", to tell driver
        to pass multiple input files to compiler at one time.
        (have_o_argbuf_index): New global variable.
        (store_arg): Modify to assign value to have_o_argbuf_index.
        (struct infile):  Add three new fields, to help with IMA.
        (display_help): Add help for new "combine" option.
        (process_command): Remove local variable have_o; add code to check
        for new "combine" option; remove assignment to combine_inputs.
        (do_spec_1):  Modify to deal with IMA better.
        (main): Make variable 'lang_n_infiles' local to entire function
        rather than to a single block.  Use flag combine_flag to
        determine whether to do IMA or not; Modify loop initializing
        infiles to deal properly with linker files.
        Add code for doing preprocessing in presence of
        IMA with "-save-temps" flag.  Modify "main" loop to handle
        multiple input files, in multiple languages, with or without
        preprocessing,  gracefully.
        * toplev.c (set_src_pwd): Modify to not complain if attempting to
        re-set it to same directory it's previously been set to (avoid
        irritating, meaningless warning messages when doing IMA with
        save-temps).
        * doc/invoke.texi: Add "-combine" to list of Overall Options;
        remove documentation about IMA that is no longer accurate; Add
        documentation explaining what "-combine" does.
        * ada/lang-specs.h: Add initialization values for new fields in
        "struct compiler".
        * cp/lang-specs.h: Likewise.
        * f/lang-specs.h: Likewise.
        * java/lang-specs.h: Likewise.
        * objc/lang-specs.h: Likewise.
        * treelang/lang-specs.h: Likewise.

2004-04-05  David Edelsohn

        * config/rs6000/rs6000.c (VTABLE_NAME_P): Add _ZTI to special
        symbol handling.

2004-04-05  Jakub Jelinek  <jakub@redhat.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/13424 (hppa), bootstrap/14462, c/14828
        * pa.md: Use replace_equiv_address to retain the attributes of the
        memory operands used in the split and peephole2 patterns for optimizing
        the pre-reload movstrsi, movstrdi, clrstrsi and clrstrdi patterns.

2004-04-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * c-decl.c (build_compound_literal): Use TYPE_READONLY.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * objc/objc-act.c (adorn_decl, gen_declspecs): Likewise.
        * c-typeck.c (decl_constant_value): Don't access DECL_INITIAL of a
        PARM_DECL.
        * calls.c (flags_from_decl_or_type): Use TYPE_READONLY and do so only
        for a type.
        * print-tree.c (print_node): Properly handle side-effects, readonly,
        and constant flags.
        * tree.c (build1_stat, build_expr_wfl): Only look at TREE_SIDE_EFFECTS
        and TREE_CONSTANT if not a type.
        * tree.h (IS_NON_TYPE_CODE_CLASS): New macro.
        (IS_EXPR_CODE_CLASS): Write 'E', not 'e'.
        (NON_TYPE_CHECK): New macro.
        (TREE_SIDE_EFFECT, TREE_READONLY, TREE_CONSTANT: Add check.

2004-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Set
        to DWARF2_DEBUG unconditionally.
        (ASM_DEBUG_SPEC): Set the default to --gdwarf2 unconditionally.

2004-04-04  Ian Lance Taylor  <ian@wasabisystems.com>
            Nathanael Nerode  <neroden@gcc.gnu.org>

        PR target/14548
        * config.host: Set the shell variable host_can_use_collect2.
        Set it to yes by default, and to no for alpha*-dec-*vms*,
        i[34567]86-*-mingw32*, and powerpc-*-beos*.
        * configure.ac: Set and substitute the shell variable collect2.
        Give an error if use_collect2 is yes and host_can_use_collect2 is
        no.
        * Makefile.in (COLLECT2): Rename from USE_COLLECT2.  Change all
        uses.  Initialize to @collect2@.
        (STAGESTUFF): Remove $(USE_COLLECT2).
        * config/alpha/x-vms (USE_COLLECT2): Don't set.
        * config/i386/t-mingw32 (USE_COLLECT2): Likewise.
        * config/rs6000/t-beos (USE_COLLECT2): Likewise.
        * config/pa/t-pa64: Remove commented out USE_COLLECT2.
        * configure: Regenerate.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation): Constant fold
        DIV, MOD, UDIV and UMOD using div_and_round_double.

2004-04-04  Mark Mitchell  <mark@codesourcery.com>

        PR c++/14804
        * varasm.c (initializer_constant_valid_p): Allow NOP_EXPRs to
        RECORD_TYPEs.

2004-04-04  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi (-mabi=o64): Create link to O64 ABI
        documentation.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Correct usage of simplify_replace_rtx when
        updating the REG_EQUAL note on an insn's libcall_insn.

2004-04-04  Roger Sayle  <roger@eyesopen.com>

        * df.h: Tidy up whitespace in the definitions of the DF_ flags.

2004-04-03  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <PLUS_EXPR>: Guard (-A)+B -> B-A transformation
        with reorder_operands_p.

2004-04-03  Jan Hubicka  <jh@suse.cz>

        * md.texi (vec_set, vec_extract, vec_init): Document.

2004-04-02  Gabor Loki <loki@inf.u-szeged.hu>

       * opts.c (decode_options): Do function inlining with very small
       max-inline-insns-* parameters when optimizing for size.

2004-04-02  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/i386.h (TARGET_NOCONA): New macro.
        (TARGET_CPU_CPP_BUILTINS): Add code for Nocona.
        (processor_type): Add PROCESSOR_NOCONA.

        * config/i386/i386.md (cpu): Add nocona to the attribute values.

        * config/i386/i386.c (nocona_cost): New variable.
        (m_NOCONA): New macro.
        (x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
        x86_branch_hints, x86_use_sahf, x86_single_stringop,
        x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8,
        x86_integer_DFmode_moves, x86_partial_reg_dependency,
        x86_memory_mismatch_stall, x86_accumulate_outgoing_args,
        x86_decompose_lea, x86_arch_always_fancy_math_387,
        x86_sse_partial_reg_dependency, x86_sse_load0_by_pxor,
        x86_ext_80387_constants, x86_four_jump_limit):
        (override_options): Add nocona_cost to processor_target_table.
        Set up PROCESSOR_NOCONA for Nocona entry in processor_alias_table.
        (incdec_operand): Prevent inc/dec generation for Nocona too.
        (ix86_issue_rate): Add PROCESSOR_NOCONA.

2004-04-01  Andrew Pinski  <pinskia@physics.uc.edu>

        * rtlanal.c (find_reg_note): Manually
        unswitch the loop.

2004-04-01  Mark Mitchell  <mark@codesourcery.com>

        * genemit.c (gen_split): Change prototype of generated code.
        * genrecog.c (write_action): Adjust prototype for and calls to
        gen_split_*.
        * gensupport.c (struct queue_elem): Add split field.
        (queue_pattern): Return a value.  Clear the split field.
        (process_rtx): Maintain an association between an insn and the
        split generated from it for a define_insn_and_split.
        (process_one_cond_exec): Generate a new split for a
        define_insn_and_split.
        * config/arm/arm-protos.h (arm_split_constant): Add insn
        parameter.
        (emit_constant_insn): New function.
        (arm_gen_constant): Use it.
        * config/arm/arm.md: Adjust calls to arm_split_constant.

2004-04-02  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Add overall comment.
        (cgraph_inline_hash): New global variable.
        (cgraph_create_node): Break out from ...
        (cgraph_node): ... here.
        (cgraph_edge): New function.
        (cgraph_create_edge): New CALL_EXPR argument; some sanity checking.
        (cgraph_remove_edge): Accept edge, intead of source and destination.
        (cgraph_redirect_edge_callee): New.
        (cgraph_remove_node): Update all new datastructures.
        (cgraph_record_call, cgraph_remove_call): Kill.
        (dump_cgraph_node): Break out from ... ; dump new datastructures.
        (dump_cgraph): ... here.
        (cgraph_function_possibly_inlined_p): Use new hashtable.
        (cgraph_clone_edge, cgraph_clone_node): New.
        * cgraph.h: Include hashtab.h
        (struct cgraph_global_info): Kill cloned_times, inline_once, will_be_output
        fields, add inlined_to pointer.
        (cgraph_node): Add pointer to next_clone.
        (cgraph_remove_edge, cgraph_create_edge): Update prototype.
        (cgraph_remove_call, cgraph_record_call): Kill.
        (cgraph_inline_hash): Declare.
        (dump_cgraph_node, cgraph_edge, cg4raph_clone_edge, cgraph_clone_node,
        cgraph_redirect_edge_callee): Declare.
        (cgraph_create_edges, cgraph_inline_p): Update prorotype.
        (cgraph_preserve_function_body_p, verify_cgraph, verify_cgraph_node,
        cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Declare.
        * cgraphunit.c: Add overall comment.
        (cgraph_optimize_function): Kill.
        (cgraph_assemble_pending_functions): Do not assemble inline clones.
        (cgraph_finalize_function): Update call of cgraph_remove_node
        (record_call_1): Record call sites.
        (cgraph_create_edges): Accept node instead of decl argument.
        (error_found): New static variable.
        (verify_cgraph_node_1, verify_cgraph_node, verify_cgraph): New functions.
        (cgraph_analyze_function): Update for new datastructures.
        (cgraph_finalize_compilation_unit): Plug memory leak.
        (cgraph_optimize_function): Kill.
        (cgraph_expand_function): Do not use cgraph_optimize_function.
        (INLINED_TIMES, SET_INLINED_TIMES, cgraph_inlined_into,
        cgraph_inlined_callees): Kill.
        (cgraph_remove_unreachable_nodes): Verify cgraph; update handling of
        clones.
        (estimate_growth): Simplify.
        (cgraph_clone_inlined_nodes): New function.
        (cgraph_mark_inline_edge): Re-implement.
        (cgraph_mark_inline): Likewise.
        (cgraph_check_inline_limits): Simplify.
        (cgraph_recursive_inlining_p): New.
        (update_callee_keys): Break out from ...
        (cgraph_decide_inlining_of_small_functions): ... here; simplify.
        (cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
        Likewise.
        (cgraph_expand_all_functions):  Remove inline clones from the ordered
        list.
        (cgraph_preserve_function_body_p): New predicate.
        (cgraph_optimize): Verify cgraph.
        * function.h (struct function): Add fields saved_tree/saved_args.
        * timevar.def (TV_CGRAPH_VERIFY): Use verifier.
        * toplev.c (rest_of_compilation): Do not free cfun.
        * tree-inline.c: Include function.h
        (struct inline_data): Add saving_p field; replace decl/current_decl by
        node/current_node.
        (insert_decl_map): New function.
        (copy_body_r): Handle saving; update cgraph datastructure.
        (copy_body): Handle recursive inlining.
        (initialize_inlined_parameters): Likewise.
        (expand_call_inline): Propagate node attributes; update cgraph.
        (optimize_inline_calls): Verify that datastructure still match.
        (save_body): New function.
        * tree-inline.h (save_body): New.
        * tree-optimize.c (tree_rest_of_compilation): preserve function body; do inlining.
        * langhooks-def.c (LANG_HOOKS_UPDATE_DECL_AFTER_SAVING): New.
        * langhooks.c (lang_hooks): Add update_decl_after_saving.

2004-04-01  Serge Belyshev  <1319@bot.ru>

        PR target/14702
        * config/i386/i386.md: fix source operand constraints in
        mmx_pshufw, sse2_pshufd, sse2_pshuflw, sse2_pshufhw

2004-04-01  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        * fold-const.c (folda): Preserve types of comparisons.

2004-04-01  Richard Henderson  <rth@redhat.com>

        * toplev.c (backend_init): Move init_optimization_passes call ...
        (lang_dependent_init): ... here.

2004-04-01  Alan Modra  <amodra@bigpond.net.au>
            Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (init_gcc_specs): If HAVE_LD_AS_NEEDED, link with
        -lgcc --as-needed -lgcc_s --no-as-needed by default.
        * configure.ac (HAVE_LD_AS_NEEDED): Check for ld --as-needed.
        * configure: Rebuilt.
        * config.in: Rebuilt.
        * Makefile.in (stage1-start): Copy also libgcc_s*$(SHLIB_EXT).
        (stage2-start, stage3-start, stage4-start): Likewise.
        (stageprofile-start, stagefeedback-start): Likewise.

2004-04-01  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (DITF_CONVERSION_LIBFUNCS): Define to 0.
        * config/sparc/linux.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        * config/sparc/linux64.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        * config/sparc/sol2.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
        (SOLARIS_CONVERSION_LIBFUNCS): Rename to SUN_CONVERSION_LIBFUNCS.
        * config/sparc/sparc.c (sparc_init_libfuncs): Initialize optabs
        with _Q_qtoll, _Q_qtoull and _Q_lltoq if DITF_CONVERSION_LIBFUNCS.
        * config.gcc (sparc-*-linux*): Revert 2004-03-23 change.
        * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Likewise.
        * config/sparc/t-linux: Removed.

2004-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/14755
        * fold-const.c (fold) <EQ_EXPR>: Properly compute newconst in
        "bitfld++ == const" to "++bitfld == const + incr" transformations.

2004-04-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
        * stor-layout.c (layout_decl): Likewise.
        * tree.c (get_narrower): Likewise and also use BIT_FIELD_REF_UNSIGNED.
        * fold-const.c (make_bit_field_ref): Use BIT_FIELD_REF_UNSIGNED.
        * print-tree.c (print_node): Handle various used of unsigned_flag.
        * tree.def (BIT_FIELD_REF): Update comment.
        * tree.h (TREE_UNSIGNED): Deleted.
        (DECL_UNSIGNED, BIT_FIELD_REF_UNSIGNED): New macros.

2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * builtins.c, c-aux-info.c, c-common.c, c-cppbuiltin.c, c-decl.c:
        Change most occurrences of TREE_UNSIGNED to TYPE_UNSIGNED.
        * c-format.c, c-opts.c, c-pretty-print.c, c-typeck.c: Likewise.
        * calls.c, convert.c, dbxout.c, dojump.c, dwarf2out.c: Likewise.
        * expmed.c, expr.c, fold-const.c, function.c, integrate.c: Likewise.
        * optabs.c, sdbout.c, stmt.c, stor-layout.c, tree-dump.c: Likewise.
        * tree.c, config/iq2000/iq2000.c, config/m32r/m32r.c: Likewise.
        * config/mips/mips.c, config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c, config/sparc/sparc.c, objc/objc-act.c: Likewise.
        * stor-layout.c (layout_type, case COMPLEX_TYPE): Test for
        REAL_TYPE, not INTEGER_TYPE.
        (layout_type, case VECTOR_TYPE): Simplify code.
        * tree.c (build_vector_type_for_mode): Remove dup unsigned setting.
        * tree.h: Update comments.
        (STRIP_NOPS): Use TYPE_UNSIGNED.
        (TYPE_UNSIGNED): New macro.
        (TYPE_TRAP_SIGNED): Remove now redundant check.
        (SAVE_EXPR_NOPLACEHOLDER): Don't use TREE_UNSIGNED.

2004-03-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (put_var_into_stack): Properly set orig_reg for indirect.

2004-03-31  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
        Add darwin-fpsave.asm, darwin-vecsave.asm,
        and darwin-world.asm.
        (TARGET_LIBGCC2_CFLAGS): Add -Wa,-force_cpusubtype_ALL
        as the asm files contain altivec instructions.
        * config/rs6000/darwin-fpsave.asm: New file.
        * config/rs6000/darwin-vecsave.asm: New file.
        * config/rs6000/darwin-world.asm: New file.

2004-03-31  Zack Weinberg  <zack@codesourcery.com>

        * gengtype-yacc.y (option, stringseq): Add missing
        terminating semicolon.

2004-03-30  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (tls_gd_32, tls_gd_64,
        tls_ld_32, tls_ld_64, tls_dtprel_32, tls_dtprel_64,
        tls_dtprel_ha_32, tls_dtprel_ha_64,
        tls_dtprel_lo_32, tls_dtprel_lo_64,
        tls_got_dtprel_64, tls_tprel_32, tls_tprel_64,
        tls_tprel_ha_32, tls_tprel_ha_64,
        tls_tprel_lo_32, tls_tprel_lo_64,
        tls_got_tprel_32, tls_got_tprel_64,
        tls_tls_32, tls_tls_64): Replace register_operand with
        gpc_reg_operand.

2004-03-30  Mostafa Hagog  <mustafa@il.ibm.com>

        * config/rs6000/rs6000.md (*ctrsi_internal1, *ctrsi_internal2,
        *ctrdi_internal1, *ctrdi_internal2, *ctrsi_internal3,
        *ctrsi_internal4, *ctrdi_internal3, *ctrdi_internal4,
        *ctrsi_internal5, *ctrsi_internal6, *ctrdi_internal5,
        *ctrdi_internal6): Replace register_operand with
        nonimmediate_operand.

2004-03-29  Fariborz Jahanian <fjahanian@apple.com>

        * fold-const.c (fold): Reassociate multiply expression
        with an adjacent non-multiply expression to use
        architecture's multiply-add instruction.

2004-03-30  Zack Weinberg  <zack@codesourcery.com>

        * gengtype.c (create_option): New function.
        * gengtype.h: Prototype it.
        * gengtype-yacc.y (stringseq): New rule.
        (option): Use create_option.  Add new bare ID production.  Use
        stringseq, not STRING directly.

        * alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
        * dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
        * varray.h, config/alpha/alpha.c:
        Use new shorter form of GTY markers.

        * doc/gty.texi: Rewrite.

2004-03-30  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.c (machopic_function_base_name):
        Remove current_name and getting the name of the
        current function.

2004-03-30  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (thumb_jump): Reduce the backward branch
        range, and increase the forward branch range, to allow for
        the fact that the PC will be off by 4.

2004-03-30  Alan Modra  <amodra@bigpond.net.au>

        * .cvsignore: Add GPATH, GRTAGS, GSYMS and GTAGS (GNU GLOBAL)

2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>

        * config/rs6000/rs6000.c (output_vec_const_move):
        Find all cases of EASY_VECTOR_15_ADD_SELF.
        (easy_vector_constant_add_self): Accept
        all vector constant loadable by vsplt* and vadd*.
        (easy_vector_same): Use easy_vector_splat_const.
        (easy_vector_const): Use easy_vector_splat_const.
        (easy_vector_splat_const): New function.
        (gen_easy_vector_constant_add_self): New function.

        * config/rs6000/rs6000-protos.c (gen_easy_vector_constant_add_self):
        New prototype.

        * config/rs6000/altivec.md (movv4si splitter): Change to
        emit move insn with halfed vector constant.
        (*movv8hi splitter): Likewise.
        (*movv16qi splitter): Likewise.

2004-03-30  Hartmut Penner  <hpenner@de.ibm.com>

        PR 11591
        * config/rs6000/rs6000.c (rs6000_legitimate_address):
        Allow any offset to argument pointer in no-strict case.

2004-03-30  Jan Hubicka  <jh@suse.cz>

        * toplev.c (backend_init): Add missing call to inint_optimization_passes.
        * passes.c (init_optimization_passes, finish_optimization_passes): Output cgraph
        dump file in non-unit-at-a-time mode.

2004-03-29  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h: Correct #ifdef to test for
        HAVE_AS_NO_MUL_BUG_ABORT_OPTION, not
        HAVE_AS_MUL_BUG_ABORT_OPTION.

2004-03-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (put_var_into_stack): If old RTL was ADDRESSOF, update
        the address inside the old RTL.

2004-03-28  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c: Verify that C_SIZEOF_STRUCT_LANG_IDENTIFIER is correct.
        (struct c_binding, struct c_scope): Add chain_next
        attributes to GTY markers.
        (struct lang_identifier, struct lang_tree_node): Define
        here...
        * c-tree.h: ... not here.  No longer need to declare struct
        c_binding either.  Do define C_SIZEOF_STRUCT_LANG_IDENTIFIER.
        * c-lang.c, objc/objc-lang.c: Set LANG_HOOKS_IDENTIFIER_SIZE
        to C_SIZEOF_STRUCT_LANG_IDENTIFIER.

        PR 14734, 11944
        * c-decl.c (get_parm_info): If error_mark_node is encountered
        in the bindings chain, unbind and discard it; don't abort.

2004-03-28  Olga Golovonevsky <olga@il.ibm.com>
            Dorit Naishlos <dorit@il.ibm.com>

        * config/rs6000/altivec.md: (andvv16qi3, andv8hi3, one_cmplv16qi2,
        one_cmplv8hi2, one_cmplv4si2, iorv16qi3, iorv8hi3,): New modelling.

2004-03-28  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11-protos.h (m68hc11_page0_symbol_p): Declare.

        * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute): New.
        (m68hc11_attribute_table): New attribute "page0" to mark a global
        variable as being allocated from within page0 section.
        (m68hc11_encode_label): New function.
        (m68hc11_strip_name_encoding): New function.
        (m68hc11_page0_symbol_p): New function.
        (m68hc11_indirect_p): Accept global variables marked in page0.
        (m68hc11_encode_section_info): Lookup "page0" attribute.

        * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): 'R' constraint also
        represents access to page0 variables.

        * config/m68hc11/m68hc11.md ("*logicalsi3_zexthi"): Use gen_rtx_REG.
        ("*logicalsi3_silshl16_zext"): Likewise.
        ("*ashldi3_const32"): Likewise.
        (peephole2 ashift): Likewise.

2004-03-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (C_DECL_REGISTER): New.
        * c-aux-info.c (gen_decl), c-decl.c (objc_mark_locals_volatile,
        finish_decl, grokdeclarator, get_parm_info), c-typeck.c
        (build_array_ref, c_mark_addressable): Set and use it.
        * c-decl.c (grokdeclarator), c-typeck.c (c_mark_addressable):
        Allow structures with volatile fields to be declared register.
        Don't check TREE_ADDRESSABLE before warning about taking address
        of register.
        * c-decl.c (finish_decl): Don't allow structures with volatile
        fields to be placed in named register.
        * doc/trouble.texi: Remove reference to structures with volatile
        fields in registers.

2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * function.c (thread_prologue_and_epilogue): Move
        NOTE_INSN_FUNCTION_END and NOTE_INSN_FUNCTION_BEG notes
        before the epilogue.

2004-03-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * expr.c (store_constructor): Use gen_int_mode to correctly
        sign-extend CONST_INT value.

2004-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_WINT, BT_FN_INT_WINT, BT_FN_WINT_WINT): New.
        * builtins.def (DEF_C94_BUILTIN): New.  Add wctype builtins.
        * doc/extend.texi: Likewise.

2004-03-26  Diego Novillo  <dnovillo@redhat.com>

        * c-typeck.c (comptypes): Replace calls to TYPE_DOMAIN
          with TYPE_ORIG_SIZE_TYPE.

2004-03-25  Aldy Hernandez  <aldyh@redhat.com>

        PR 14219
        * c-typeck.c (build_binary_op): Do not allow comparisons of
        vectors.

2004-03-26  James A. Morrison  <ja2morri@uwaterloo.ca>

        * config.gcc: Remove sparc-tti-*.
        * config/sparc/pbd.h: Delete.

        * config/sparc/sol2.h: Remove note about Sun OS 4.x.
        * config/sparc/aout.h: Likewise.

        * config/sparc/sparc.h: Remove if 0'd code.
        * config/sparc/sparc.md (call): Remove if 0'd code.
        (call_value): Likewise.
        (nonlocal_goto): Likewise.
        (unimp_insn): Delete.

2004-03-25  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonnegative_p): Handle BIT_XOR_EXPR like
        BIT_IOR_EXPR; A^B is nonnegative when A and B are nonnegative.

2004-03-25  Richard Henderson  <rth@redhat.com>

        PR 11527
        * c-typeck.c (pop_init_level): Emit pending init elements earlier
        rather than later.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Fix error in last change.

2004-03-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h: Formatting fix.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def: Add ctype builtins.
        * doc/extend.texi: Likewise.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Add new builtin optimizations for
        sqrt and/or cbrt.
        * fold-const.c (fold): Likewise.

2004-03-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_always_hint): New variable.
        (rs6000_sched_groups): New variable.
        (processor_target_table): Add power5.
        (rs6000_override_options): Set rs6000_sched_insert_nops,
        rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
        from rs6000_sched_groups.
        (output_cbranch): Use rs6000_always_hint.
        (rs6000_variable_issue): Use rs6000_sched_groups.
        (rs6000_adjust_cost): Add CPU_POWER5.
        (is_microcoded_insn): Use rs6000_sched_groups.
        (is_dispatch_slot_restricted): Use rs6000_sched_groups.
        Return 2 for POWER5 cracked instructions.
        (is_cracked_insn): Use rs6000_sched_groups.
        (is_branch_slot_insn): Use rs6000_sched_groups.
        (rs6000_issue_rate): Add CPU_POWER5.
        (rs6000_sched_finish): Use rs6000_sched_groups.
        (rs6000_rtx_costs): Add PROCESSOR_POWER5.
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
        (DEFAULT_SCHED_COSTLY_DEP): Delete.
        (DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
        (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
        * config/rs6000/power5.md: New file.
        * doc/invoke.texi: Add power5 option.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c, dbxout.c, tree.def, config/darwin.h,
        config/arm/arm.c, objc/objc-act.c: Fix comment typos.
        * doc/invoke.texi: Fix a typo.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/9707.
        * stmt.c (emit_case_nodes): Emit equality comparisons instead
        of recursing if both children are single-valued cases with no
        children.

2004-03-25  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (vfp_print_multi): Remove.
        (arm_output_fldmx): New function.
        (vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
        (arm_expand_prologue): Update to match.
        (arm_get_vfp_saved_size): New Function.
        (arm_get_frame_offsets): Use it.
        (arm_output_epilogue): Use new functions.

2004-03-24  Richard Henderson  <rth@redhat.com>

        * alias.c (alias_invariant, alias_invariant_size): Mark GTY.
        (reg_known_value, reg_known_value_size): Likewise; make static.
        (reg_known_equiv_p): Make static.
        (clear_reg_alias_info): Update for new indexing.
        (get_reg_known_value, set_reg_known_value): New.
        (get_reg_known_equiv_p, set_reg_known_equiv_p): New.
        (canon_rtx): Use them.
        (init_alias_analysis): Likewise.  Allocate reg_known_value with gc.
        Don't play queer offsetting games with reg_known_value and
        reg_known_equiv_p.
        (end_alias_analysis): Free reg_known_value with gc.
        * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
        * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
        (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
        functions instead.

2004-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2asm.c, loop.h, pretty-print.c, pretty-print.h,
        config/i386/mmintrin.h: Update copyright.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add --enable-werror-always (for top level bootstrap
        support).
        * configure: Regenerate.

2004-03-24  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (objc_comptypes): Treat comparisons
        between 'Class' and '<class> *' as explicitly invalid.

2004-03-24  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (-frename-registers): Add enabled at -O3.
        (-fprofile-values): Add enabled with profile-{generate,use}.
        (-fvpt): Same.
        (-ftracer): Add enabled with profile-use.
        (-funit-at-a-time): Add enabled at -O2,-O3.
        (-funroll-loops): Add enabled with profile-use.
        (-funswitch-loops): Add enabled with profile-use.  Remove duplicates.
        (max-gcse-passes): Mention default.
        (max-cse-path-length): Mention default.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in (STRICT2_WARN): Reorder.
        * configure.ac: Check for -Wold-style-definition, and use it
        in strict1_warn if it's available.
        * configure: Regnerate.

2004-03-24  Paul Brook  <paul@nowt.org>

        * config.gcc <arm>: Add --with-abi=
        * config/arm/arm-protos.h (arm_get_frame_size, thumb_get_frame_size,
        thumb_far_jump_used): Remove prototypes.
        (arm_needs_doubleword_align): Add prototype.
        (thumb_compute_initial_elimination_offset): Ditto.
        * config/arm/arm.c (arm_get_frame_offsets): New function.
        (use_return_insn, output_return_instruction, arm_output_epilogue,
        arm_output_function_epilogue, arm_compute_initial_elimination_offset,
        arm_expand_prologue, thumb_expand_epilogue): Use it.
        (arm_abi, target_abi_name, all_arm_abis): New variables.
        (arm_override_options): Set them.  Set structure padding for AAPCS.
        (arm_return_in_memory): Update ABI check.
        (arm_init_cumulative_args): Initialize can_split.
        (arm_needs_doubleword_align): New function.
        (arm_function_arg): Don't split args after pushing to stack. Handle
        doubleword/even reg alignment.
        (arm_va_arg): Handle all doubleword aligned args.
        (add_minpoolforward ref, dump_minpool, push_minpool_fix): Align based
        on ABI, not CPU.
        (arm_compute_save_reg0_reg12_mask): Fix comment.
        (thumb_get_frame_size, thumb_get_frame_size): Remove.
        (thumb_jump_far_used_p): Remove superfluous argument.  Return save
        value for alignment.
        (thumb_unexpanded_epilogue, thumb_output_function_prologue): Change
        to match.
        (thumb_compute_initial_elimination_offset): New function.
        (thumb_expand_prologue): Use arm_get_frame_offsets.  Remove
        unneccessary rounding.
        * config/arm/arm.h (target_abi_name): Declare.
        (ARM_DOUBLEWORD_ALIGN, DOUBLEWORD_ALIGNMENT, TARGET_IWMMXT_ABI,
        arm_abi_type, ARM_DEFAULT_ABI): Define.
        (ARM_FLAG_ATPCS): Remove.
        (TARGET_OPTIONS, OPTION_DEFAULT_SPECS): Add -mabi=.
        (BIGGEST_ALIGNMENT, PREFERRED_STACK_BOUNDARY, STACK_BOUNDARY): Use it.
        (ADJUST_FIELD_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT,
        TYPE_NEEDS_IWMMXT_ALIGNMENT): Remove.
        (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P):
        Contitionalize on ABI, not CPU.
        (struct arm_stack_offsets): Define.
        (struct machine_function): Add stack_offsets.  Remove frame_size.
        (FUNCTION_ARG_PARTIAL_NREGS): Don't split if previous args have been
        pushed.
        (FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY): Handle general
        doubleword alignment.
        (THUMB_INITIAL_ELIMINATION_OFFSET,
        ARM_INITIAL_ELIMINATION_OFFSET): Remove.
        (INITIAL_ELIMINATION_OFFSET): Call functions directly.
        * config/arm/arm.md (align_8): Enable for all targets.
        * config/arm/netbsd-elf.h (TARGET_DEFAULT): Remove TARGET_ATPCS.
        (ARM_DEFAULT_ABI): Define.
        * doc/invoke.texi <ARM>: Document -mabi=. Update documentation for
        -mstructure-size-boundary.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Check for -Wno-variadic-macros; don't use
        -pedantic (in stage 1 or a simple 'make all') unless it's available,
        and if it's available, use it.  Also, clean up check for
        -Wno-long-long.
        * configure: Regenerate.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
        * config/mips/vr.h (DEFAULT_VR_ARCH): New macro, defined to vr4130.
        (MULTILIB_DEFAULTS): Use it.
        (MIPS_CPU_STRING_DEFAULT): Remove.
        (MIPS_ABI_DEFAULT, MIPS_MARCH_CONTROLS_SOFT_FLOAT): Define.
        (DRIVER_SELF_SPECS): Make -mfix-vr4122-bugs imply -march=vr4120.  Make
        EABI64 -mlong32 the default ABI.  Enforce the default architecture.
        * config/mips/t-vr (MULTILIB_OPTIONS): Add mfix-vr4122-bugs,
        march=vr4130, march=vr4300, march=vr5000 and march=vr5500.
        (MULTILIB_MATCHES): Use -mfix-vr4122-bugs multilibs for -march=vr4120.
        (MULTILIB_EXCEPTIONS): Change choice of multilibs.  Update comments
        accordingly.

2004-03-24  DJ Delorie  <dj@redhat.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_VR4122, TARGET_FIX_VR4122): New macros.
        (TARGET_SWITCHES): Add -mfix-vr4122-bugs and -mno-fix-vr4122-bugs.
        (ASM_SPEC): Pass down -mfix-vr4122-bugs.
        * config/mips/mips.c (mips_avoid_hazards): Don't emit whole functions
        in .set noreorder and .set nomacro if TARGET_FIX_VR4122.
        (mips_init_libfuncs): Use special functions for divsi3 and modsi3
        if TARGET_FIX_VR4122.
        * config/mips/mips.md (define_attr length): Account for nops inserted
        after macc and dmult when using -mfix-vr4122-bugs.
        (umuldi3_highpart, divmodsi4, divmoddi4): Disable if TARGET_FIX_VR4122.
        * config/mips/t-vr (LIB2FUNCS_STATIC_EXTRA): Define instead of
        LIB2FUNCS_EXTRA.  Add config/mips/vr4122-div.S.
        * config/mips/vr4122-div.S: New file.
        * doc/invoke.texi: Document -mfix-vr4122-bugs.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PROCESSOR_R4130): New processor_type.
        (TARGET_MIPS4130): New macro.
        (ISA_HAS_MACC): Return true if TARGET_MIPS4130 && !TARGET_MIPS16.
        * config/mips/mips.c (mips_cpu_info_table): Add a vr4130 entry.
        (override_options): Extend MIPS_MARCH_CONTROLS_SOFT_FLOAT to deal
        with PROCESSOR_R4130.
        * config/mips/mips.md (define_attr cpu): Add r4130.
        * doc/invoke.texi: Document vr4130 as a supported MIPS architecture.

2004-03-24  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Apply missed hunk from 2004-03-03 change.

2004-03-24  Alexandre Oliva  <aoliva@redhat.com>

        PR preprocessor/14438
        * cpplib.c (do_pragma): Remove line_change call after pragma
        handler.

2004-03-23  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/extend.texi (ARM Built-in Functions): Replace with correct
        declarations.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (get_true_reg): Handle FLOAT_TRUNCATE like FLOAT_EXTEND
        if flag_unsafe_math_optimizations.
        * config/i386/i386.md (truncdfsf2): If flag_unsafe_math_optimizations
        and TARGET_80387 expand using truncdfsf2_noop pattern.
        (truncxfsf2): Likewise using truncxfsf2_noop.
        (truncxfdf2): Likewise using truncxfdf2_noop.
        (truncdfsf2_noop, truncxfsf2_noop, truncxfdf2_noop): New patterns.

2004-03-23  Ziemowit Laski  <zlaski@apple.com>

        * hooks.c (hook_constcharptr_tree_null): New hook.
        * hooks.h (hook_constcharptr_tree_null): New prototype.
        * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): New target hook.
        * target.h (mangle_fundamental_type): New target hook.
        * config/rs6000/rs6000.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Point
        target hook at rs6000_mangle_fundamental_type.
        (rs6000_mangle_fundamental_type): New function.
        * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Document.

2004-03-23  Zack Weinberg  <zack@codesourcery.com>

        PR 12267, 12391, 12560, 13129, 14114, 14133
        * c-tree.h: Forward declare struct c_binding.  Declare
        c_override_bindings_to_false.  Update prototypes.
        (struct lang_identifier): Update comments.  Change fields to be
        struct c_binding *.
        (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE)
        (IDENTIFIER_LABEL_VALUE, C_DECL_INVISIBLE)
        (KEEP_NO, KEEP_YES, KEEP_MAYBE): Delete.
        (C_DECL_IN_EXTERNAL_SCOPE, C_DECL_DECLARED_BUILTIN): New.
        * c-common.h: Update prototypes.
        * c-decl.c (struct c_scope): Update commentary.  Remove names,
        names_last, parms, parms_last, tags, and shadowed fields.  Add
        bindings and depth fields.
        (scope_freelist): Move to more appropriate location.
        (c_print_identifier): Update for changes to struct lang_identifier.
        (objc_mark_locals_volatile): Update for new bindings structures.
        (global_bindings_p): Honor c_override_global_bindings_to_false.
        (pushlevel): Rename to push_scope; take no arguments; use the
        scope_freelist; initialize scope->depth and check for overflow.
        (poplevel): Rename to pop_scope; totally rewritten for new bindings
        structures.
        (diagnose_mismatched_decls): Use C_DECL_DECLARED_BUILTIN, not
        C_DECL_INVISIBLE, for certain decisions.  Adjust some diagnostics.
        Improve some commentary.  Adjust handling of forward parm decls.
        (merge_decls): Set C_DECL_DECLARED_BUILTIN when appropriate.
        Preserve C_DECL_IN_EXTERNAL_SCOPE.
        (warn_if_shadowing): Correct indentation.  Improve diagnostics.
        (pushdecl): Remove unnecessary assertion.  Short-circuit anonymous
        decls.  Rewrite for new bindings structures.  Improve commentary.
        Eliminate the copy_node call.
        (implicit_decl_warning): Use the "diag" idiom (as seen in
        locate_old_decl) to reduce code duplication; call locate_old_decl
        if appropriate.  Relocate to remove need for forward declaration.
        (implicitly_declare): Adjust for new bindings structures.  Kludge
        around Objective-C not-really-builtin functions.
        (undeclared_variable): Improve diagnostics.  If current_function_decl
        is nonnull but current_function_scope is null, use current_scope.
        Use bind.
        (lookup_tag): Adjust for new bindings structures.  Kludge around
        Objective-C's tag declarations that wind up in the external scope.
        (lookup_name): Adjust for new bindings structures.  Kludge around
        c-common.c's pseudo-typedefs that wind up in the external scope.
        (lookup_name_current_level): Rename lookup_name_in_scope; take a
        second argument indicating the scope to examine; rewrite for
        new bindings structures.
        (c_init_decl_processing): Adjust for renamed functions.  Do not
        initialize current_file_decl, first_builtin_decl, last_builtin_decl.
        First scope pushed is the external scope, not the global scope.
        (builtin_function): Use bind, not pushdecl.  Adjust other bits
        for new data structures.  Keep track of builtins that should be
        made visible automatically.
        (start_decl): Adjust diagnostics.  Remove unnecessary call to
        expand_decl.
        (grokparms): Return 0 if arg_types is error_mark_node.
        (get_parm_info): Rename "void_at_end" argument to "ellipsis", with
        reversed sense.  Rewrite for new bindings structures.  Do not
        leave any decls in the scope, to prevent pop_scope from doing
        contradictory things with them.
        (finish_struct, finish_enum): Remove redundant diagnostics.
        (build_enumerator): Don't cascade diagnostics for error_mark_node.
        Mark location where -pedantic changes the meaning of the program.
        (store_parm_decls_newstyle, store_parm_decls_oldstyle): Load the
        parameter decls into the function's scope structure using bind.
        Warn here about function definitions in the wrong style.
        Adjust diagnostics.
        (store_parm_decls): Correct the determination of whether a
        function was defined with a prototype.
        (c_write_global_declarations): Operate on all file decls and on
        the external scope.  Split body of the loop to...
        (c_write_global_declarations_1): ... this new function, to avoid
        code duplication.
        (truly_local_externals, first_builtin_decl, last_builtin_decl)
        (make_scope, pop_scope, in_parm_level_p, set_block)
        (any_external_decl, record_external_decl, bind_label, getdecls)
        (link_hash_hash, link_hash_eq, merge_translation_unit_decls)
        (c_reset_state): Delete.
        (visible_builtins, c_override_global_bindings_to_false)
        (c_binding, I_SYMBOL_BINDING, I_SYMBOL_DECL, I_TAG_BINDING)
        (I_TAG_DECL, I_LABEL_BINDING, I_LABEL_DECL, file_scope)
        (external_scope, binding_freelist, bind, free_binding_and_advance)
        (push_file_scope, pop_file_scope): New.
        (pushtag, pushdecl_top_level, lookup_label, declare_label)
        (define_label, c_make_fname_decl, finish_decl)
        (mark_forward_parm_decls, build_compound_literal)
        (grokdeclarator, start_function, check_for_loop_decls)
        (identifier_global_value, record_builtin_type): Minor adjustments
        for new bindings structures.  Improve diagnostics and commentary.
        * c-objc-common.c (start_cdtor, finish_cdtor): Adjust calls to
        pushlevel/poplevel respectively.
        (c_objc_common_finish_file): Don't call merge_translation_unit_decls.
        * c-opts.c (c_common_parse_file): Remove spurious ATTRIBUTE_UNUSED.
        Warn about YYDEBUG not being defined only if -dy.  Remove no-longer-
        correct loop over multiple translation units; call fatal_error if
        requested to compile more than one file at once.  (This disables
        IMA temporarily - an up-front error being preferable to a crash.)
        * c-parse.in (pushlevel, poplevel rules): Rename push_scope, pop_scope.
        (all actions): Adjust calls to pushlevel/poplevel.
        (parsing_iso_function_signature): Delete.
        (extdef_1): Fold into extdef.
        (old_style_parm_decls_1): Fold into old_style_parm_decls.  Don't
        warn here about function definitions in the wrong style.
        (after_tyle_declarator, parm_declarator_starttypename)
        (parm_declarator_nostarttypename, notype_declarator): Remove
        commented-out productions.
        (parmlist_1, parmlist_2): Use make_node, not tree_cons, to create
        an empty TREE_LIST node.  Adjust calls to get_parm_info.
        (parmlist_2 : ELLIPSIS): Tag the arg-info block with error_mark_node
        to suppress -Wold-style-definition after this error.
        (c_parse_file): Don't clear the binding stack or call
        finish_fname_decls here.  Correct comment.
        * c-typeck.c (same_translation_unit_p): Export.
        (common_type): Use c_override_global_bindings_to_false, not
        pushlevel/poplevel/declare_parm_level.
        * c-lang.c: Override LANG_HOOKS_CLEAR_BINDING_STACK,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK,
        and LANG_HOOKS_GETDECLS with do-nothing stubs.
        * objc/objc-lang.c: Likewise.
        * objc/objc-act.c: Adjust all calls to pushlevel, poplevel,
        get_parm_info.
        (OBJC_VOID_AT_END): Delete; replace all uses
        with void_list_node.
        (generate_forward_declaration_to_string_table): Delete.
        * objc/objc-act.h (OCTI_STRG_DECL, UOBJC_STRINGS_decl): Delete.

        * coverage.c (create_coverage): Don't pushdecl anything.
        * langhooks.c (lhd_clear_binding_stack): Call
        lang_hooks.decls.poplevel, not poplevel.
        * tree.c (list_length): If ENABLE_TREE_CHECKING, abort on a
        circular list rather than going into an infinite loop.

2004-03-23  Olivier Hainque  <hainque@act-europe.fr>

        * optabs.c (expand_binop): When synthesizing double word rotates
        from single word shifts, use a new register target if the provided
        target is not a REG already.

2004-03-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.
        * c-common.c (handle_mode_attribute): Add extra arg to
        build_pointer_type_for_mode and build_reference_type_for_mode.
        * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW
        for INTEGER_CST.
        * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL.
        Chain pointers via TYPE_NEXT_PTR_TO.
        (build_reference_type_for_mode): Similarly.
        (build_type_no_quals): Add extra arg to build_pointer_type_for_mode
        and build_reference_type_for_mode.
        (tree_check4_failed): New function.
        * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros.
        (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise.
        (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW):
        Add check.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonnegative_p): A&B is nonnegative when
        A is nonnegative or B is nonnegative.  Similarly A|B is nonnegative
        when both A and B are nonnegative.
        (tree_expr_nonzero_p): A|B is nonzero when A is nonzero or B is
        nonzero.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove cases for INTEGER_CST, REAL_CST,
        VECTOR_CST, STRING_CST, COMPLEX_CST, and CONSTRUCTOR.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/14669
        * fold-const.c (fold): Only unwiden integer comparisons for equality
        and inequality operators, or when the signedness doesn't change.

2004-03-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
        * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Set.
        * config/sparc/t-linux: New file.

2004-03-23  Richard Sandiford  <rsandifo@redhat.com>

        * gcse.c (can_assign_to_reg_p): New function, split out from...
        (want_to_gcse_p): ...here.
        (compute_ld_motion_mems): Use can_assign_to_reg_p to validate
        the rhs of a store.

2004-03-22  Diego Novillo  <dnovillo@redhat.com>

        * c-typeck.c (same_translation_unit_p): Fix pasto.

2004-03-22  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
        (PARAM_MAX_SCHED_REGION_INSNS): New.
        * sched-rgn.c: Include params.h
        (MAX_RGN_BLOCKS): Delete.
        (MAX_RGN_INSNS): Delete.
        (too_large): Return bool.  Convert to PARAM_VALUE.
        * Makefile.in (sched-rgn.o): Depend on $(PARAMS_H).
        * doc/invoke.texi (param): Document max-sched-region-blocks and
        max-sched-region-insns.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Do not emit a subrange_type DIE
        for base types.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Minor code rework. No behavior
        change.

2004-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/14069
        * c-decl.c (finish_struct): Change type of incorrect flexible array
        field into error_mark_node.

2004-03-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/14580
        * config/rs6000/rs6000.c (symbol_ref_operand): Reject symbols
        who are not local for Darwin PIC.

2004-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * regrename.c (regrename_optimize): Set regs_ever_live for all
        registers introduced as replacement.

2004-03-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (mark_queue): New function.
        (emit_insns_enqueued_after_mark): New function replacing
        emit_queue.  Clear the body of emitted queued insns.
        (emit_queue): Call emit_insns_enqueued_after_mark.
        (store_expr): Mark the increment queue on entry.  Emit
        only the incrementations queued when expanding the source.

2004-03-22  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Allow --disable-coverage-flags (for the future benefit
        of top level bootstrap, and consistency).  Reindent.
        * configure: Regenerate.

2004-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
        ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
        unnecessary casts.

2004-03-22  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/14291
        * gcov-io.h (gcov_truncate): Define ftruncate as _chsize for
        __MINGW32__.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*doloop_si"): Change predicate for operand 2
        to nonimmediate_operand.
        ("*doloop_di"): Likewise.

2004-03-21  Alexandre Oliva  <aoliva@redhat.com>

        * real.h (struct real_value): Use the same type for all
        bitfields.  Rename exp to uexp.
        (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
        Adjust all uses of exp...
        * builtins.c: ... here, ...
        * emit-rtl.c: ... here, and ...
        * real.c: ... and here.

2004-03-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * pretty-print.c (pp_base_maybe_space): New function.
        * pretty-print.h (pp_base_maybe_space): Declare.
        (pp_maybe_space): New macro.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("addti3", "subti3"): New insns and splitters.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * expmed.c (choose_mult_variant): Pass MULT_COST as argument instead
        of using register multiplication cost.
        (expand_mult): Adapt choose_mult_variant call.
        (expand_mult_highpart): Call choose_mult_variant with WIDER_MODE
        of MODE; pass appropriate cost bound.  Adjust result when
        performing signed multiplication by a negative constant.
        Don't use intermediate modes larger than word_mode.

2004-03-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.
        * emit-rtl.c (component_ref_for_mem_expr): Likewise.
        (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
        * explow.c (expr_size): Likewise.
        * expr.h (placeholder_list, find_placeholder): Deleted.
        * expr.c (store_constructor): Likewise.
        (get_inner_reference): Likewise.  Also don't call find_placeholder.
        (placeholder_list, find_placeholder): Deleted.
        (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
        (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
        (highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
        * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
        Likewise.
        * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
        (extract_muldiv, case WITH_RECORD_EXPR): Likewise.
        * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
        (contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
        Clean up by using first_rtl_op.
        (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
        (substitute_placeholder_in_expr): New function.
        * tree.def (WITH_RECORD_EXPR): Deleted.
        * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
        (substitute_placeholder_in_expr): New.

2004-03-21  Andrew Pinski  <pinskia@gcc.gnu.org>

        * dojump.c (prefer_and_bit_test): Fix which part of
        the and_test is replaced.

2004-03-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * frontends.texi: Add missing line.

2004-03-21  Zack Weinberg  <zack@codesourcery.com>
            Chris Devers  <cdevers@pobox.com>
            Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/frontends.texi: Rewrite.
        * doc/gcc.texi: Update last modification date.

2004-03-21  Josef Zlomek  <zlomekj@suse.cz>

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Print the debug
        message before redirecting the edge.

2004-03-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
        flag.
        * explow.c (force_not_mem): Set REG_POINTER flag according to
        MEM_POINTER one.
        * rtl.h (MEM_POINTER): New macro.
        (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
        for MEM_POINTER.

2004-03-20  Roger Sayle  <roger@eyesopen.com>

        PR target/13889
        * cse.c (fold_rtx): Avoid substituting constants into unary
        conversion operations.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "expr" with "t".

2004-03-20  Ian Lance Taylor  <ian@wasabisystems.com>

        PR c/12373
        * c-typeck.c (tagged_types_tu_compatible_p): Don't use
        DECL_ORIGINAL_TYPE if there isn't one.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "final_type" with "type".
        Remove variable "final_type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Constify "type".
        Replace "TREE_TYPE (t)" with "type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
        dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
        via (*targetm.foo) () with targetm.foo ().

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR other/14630
        * doc/install.texi: Add info directory category and entry.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "t" with "tem" where it is used
        as a temporary variable.  Remove "orig_t" and all of its uses.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove variable "invert".
        Move the handling of relational expressions that can be folded
        to a constant ...
        (fold_relational_const): ... here.
        (tree_expr_nonzero_p): New.

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/14635
        * builtins.def (nan, nanf, nanl, nans, nansf, nansl): Change to
        DEF_GCC_BUILTIN.

2004-03-20  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (dojump.o): Depend on $(GGC_H) and dojump.h.
        (GTFILES): Add $(srcdir)/dojump.h.
        (gt-dojump.h): New dependency.
        * dojump.c (and_reg, and_test, shift_test): New static variables.
        (prefer_and_bit_test): New function.
        (do_jump): Use it to choose between (X & (1 << C)) and (X >> C) & 1.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfgcleanup.c, cgraphunit.c, c-pretty-print.c,
        expmed.c, ggc-common.c, jump.c, passes.c, recog.c, regmove.c,
        reorg.c, tree.h: Fix comment typos.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, attribs.c, bt-load.c, builtins.c, c-common.c,
        c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c,
        cse.c, dbxout.c, dwarf2out.c, except.c, final.c,
        haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c,
        sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c,
        vmsdbgout.c: Replace calls via (*targetm.foo) () with
        targetm.foo ().

2004-03-19  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vec_dst, vec_dstst, vec_dststt,
        vec_dstt, vec_sld, vec_splat): Add prototypes, marked with
        always_inline attribute.
        * config/rs6000/rs6000.c (altivec_expand_dst_builtin):
        Treat expansion as completed even if literal argument is
        invalid (so that other expansions are not tried in vain).

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-doloop.c (add_test): Replace GEN_INT (0) with
        const0_rtx.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold) <ABS_EXPR>: Move the handling of constants
        ...
        (fold_abs_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TYPE_ARRAY_MAX_SIZE): Use type.maxval directly.

2004-03-19  Denis Chertykov  <denisc@overta.ru>

        PR target/11520
        * config/avr/avr.md ("call_insn"): Handle explicit integer
        specially.
        (call_value_insn): Likewise.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (substitute_in_expr): Rewrite to simplify and be more generic.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (negate_expr): Move the handling of constants
        ...
        (fold_negate_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * langhooks-def.h (LANG_HOOKS_HASH_TYPES): New macro and hook.
        * langhooks.h (struct lang_hooks_for_types): New field hash_types.
        * tree.c (debug_no_type_hash): Deleted.
        (type_hash_canon): Abort if passed a variant.
        Check lang_hooks.types.hash_types.
        (build_type_no_quals): Copy mode of POINTER_TYPE and REFERENCE_TYPE.
        (build_array_type): Remove unnecessary allocation of pointer type.
        (build_complex_type): Properly qualify resulting type.

2004-03-19  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo.

2004-03-19  Richard Sandiford  <rsandifo@redhat.com>

        * expmed.c (choose_mult_variant, expand_mult_const): New, split from...
        (expand_mult): ...here.
        (extract_high_half): New, split out from expand_mult_highpart.
        (expand_highpart_optab): Likewise.  Don't clobber target prematurely.
        (expand_highpart): Evaluate the cost of a shift/add sequence,
        then see if any of the specialized optabs are cheaper.

2004-03-18  Ian Lance Taylor  <ian@wasabisystems.com>

        * mklibgcc.in: Remove obsolete MAYBE_USE_COLLECT2.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Add more math builtins.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Reformat using switch stmt.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (pointer_int_sum): Do not complain about using
        pointers to pointers-to-members.

2004-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (MD_ASM_CLOBBERS): Move to "Old target macros that
        have moved to the target hooks structure".

2004-03-18  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split move into arith and fmove.  Split
        hilo into mthilo and mfhilo.  Add trap.  Delete icmp.  Fix all uses.
        * config/mips/5400.md (ir_vr54_hilo, ir_vr54_arith, ir_vr54_fabs):
        Likewise.
        * config/mips/5500.md (ir_vr55_hilo, ir_vr55_arith, ir_vr55_fabs):
        Likewise.
        * config/mips/7000.md (rm7_int_other, rm7_mthilo, rm7_mfhilo,
        rm7_fp_quick): Likewise.
        * config/mips/9000.md (rm9k_int, rm9k_mfhilo, rm9k_mthilo,
        rm9k_fquick): Likewise.
        * config/mips/sr71k.md (ir_sr70_hilo, ir_sr70_arith, ir_sr70_fabs):
        Likewise.
        (ir_sr70_icmp): Delete.

2004-03-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TREE_CHECK2, TREE_CHECK3, TREE_CHECK5): New macros.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New decl.
        (FUNC_OR_METHOD_CHECK, SET_ARRAY_OR_VECTOR_CHECK): New macros.
        (REC_OR_UNION_CHECK, NUMERICAL_TYPE_CHECK): Likewise.
        (TYPE_VALUES, TYPE_DOMAIN, TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD):
        Protect with proper check.
        (TYPE_ARG_TYPES, TYPE_METHOD_BASETYPE, TYPE_OFFSET_BASETYPE): Likewise.
        (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Likewise.
        * tree.c (type_hash_eq): Rewrite to access proper fields for each type.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New.
        * c-typeck.c (build_array_ref): Use TYPE_DOMAIN, not TYPE_VALUES.
        * dwarf2out.c (gen_enumeration_type_die): Use TYPE_VALUES,
        not TYPE_FIELDS.
        * stor-layout.c (set_sizetype): Use TYPE_ORIG_SIZE_TYPE.

2004-03-18  Mostafa Hagog  <mustafa@il.ibm.com>

        * gcse.c (eliminate_partially_redundant_loads): Reject change if
        dest is set between beginning and current insn.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (grokdeclarator): Do not complain about redeclaring
        visible "static" identifiers "extern" in a local scope.
        * dwarf2out.c (loc_descriptor_from_tree): Handle pre- and
        post-increments/decrements.

2004-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (current_function_arg_words): Delete.
        (xtensa_builtin_saveregs): Use current_function_args_info.arg_words.
        (xtensa_va_start): Remove assignment to current_function_arg_words.

2004-03-18  Richard Sandiford  <rsandifo@redhat.com>

        * alias.c (record_set): Detect the case where a register is assigned
        a new value that has the same base term as the old one.

2004-03-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * doloop.c: Removed.
        * loop-doloop.c: New file.
        * Makefile.in (doloop.o): Remove.
        (loop-doloop.o): New.
        * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare.
        * cfgloopanal.c (get_loop_level): New function.
        * loop-iv.c (iv_number_of_iterations): Handle case when loop
        is leaved immediatelly.
        * loop.c (strength_reduce): Do not call doloop optimization.
        * loop.h (LOOP_BCT): Removed.
        * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT.
        (rest_of_handle_loop2): Call doloop_optimize_loops.
        (rest_of_compilation): Test for optimizations moved to
        rest_of_handle_loop2.

2004-03-17  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): correct reg_size
        for mixed mode.
        (rs6000_emit_prologue): Ditto.
        (rs6000_emit_epilogue): Ditto.
        * config/rs6000/rs6000.h: Definition of DWARF_CIE_DATA_ALIGNMENT
        macro for mixed mode.

2004-03-18  Jan Hubicka  <jh@suse.cz>

        * predict.c (propagate_freq): Compute correctly frequency of
        EXIT_BLOCK.

2004-03-17  Eric Christopher  <echristo@redhat.com>

        * builtins.c (apply_args_size): Use reg_raw_mode.
        (apply_result_size): Ditto.

2004-03-17  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14620
        * config/rtems.h: Add STD_LIB_SPEC and LIB_SPEC.

2004-03-17  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/t-linux64 (bispecs): Don't add -mlong-double-128 for
        32-bit builds when defaulting to 32-bit.

2004-03-17  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
        array.

2004-03-17  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (zero_extendsidi2): Add length attribute.
        (hazard_nop): Change type to nop.
        (type): Split arith into arith, shift, slt, clz.  Delete darith.
        Fix all uses.  Change arith to multi if more than one insn emitted.
        * config/mips/5400.md (ir_vr54_arith): Likewise.
        * config/mips/5500.md (ir_vr55_arith): Likewise.
        * config/mips/7000.md (rm7_int_other): Likewise.
        * config/mips/9000.md (rm9k_int): Likewise.
        * config/mips/sr71k.md (ir_sr70_arith): Likewise.

2004-03-17  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Define new variable "subtype"
        to hold the subtype tree instead of recomputing it several times.

2004-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c (notice_update_cc): Don't handle
        CC_INVERT.
        * config/mn10300/mn10300.md (cc): Remove "invert".

2004-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (integer_valued_real_p): Add builtin rint.
        (fold_builtin): Likewise.
        * convert.c (convert_to_real): Likewise.

        * convert.c (convert_to_real): Fix typos in `long double'
        builtins.

2004-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/14481
        * fold-const.c (fold): Set TREE_NO_UNUSED_WARNING on implicitly
        generated COMPOUND_EXPRs.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * config/h8300/t-rtems (h8300-*-rtems*): New.

2004-03-16  Eric Christopher  <echristo@redhat.com>

        * doc/cppopts.texi(fwide-exec-charset): Fix typo.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Add a prototype for
        ix86_reverse_condition.
        * config/i386/i386.c (ix86_reverse_condition): New.
        * config/i386/i386.h (REVERSE_CONDITION): Use
        ix86_reverse_condition.
        * config/i386/i386.md: Use ix86_reverse_condition instead of
        REVERSE_CONDITION.

2004-03-16  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (loc_descriptor_from_tree): Add handling for MIN_EXPR.

2004-03-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR bootstrap/12974
        * Makefile.in: Pass $(INCLUDES) down to libgcc.mk explicitly.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_common_type_for_mode): Build vector types on
        demand.
        (handle_mode_attribute): Deprecate using the mode attribute
        to create vector types.  Fix indentation.
        (vector_type_node_list): Remove.
        (handle_vector_size_attribute): Create vector types on demand.
        Strip a NON_LVALUE_EXPR from the attribute if there is one.
        * c-typeck.c (comptypes): Make vector types compatible if they
        have the same underlying mode.
        (convert_for_assignment): Use comptypes to convert between
        vector types.
        * tree.c (build_common_tree_nodes_2): Do not create vector types.
        * config/arm/arm.c (arm_init_iwmmxt_builtins): Create necessary
        vector types.
        * tree.h: Remove vector types.
        * config/i386/i386.c (i386_init_mmx_sse_builtins): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
        (V16QI_type_node, V2SI_type_node, V2SF_type_node, V4HI_type_node,
        V4SI_type_node, V4SF_type_node, V8HI_type_node): New globals.
        * doc/extend.texi (Vector Types): Document how to use the
        vector_size attribute to create vectors, rather than mode.

        * config/arm/mmintrin.h: Use vector_size attribute, not mode.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/sh/ushmedia.h: Likewise.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/freebsd-spec.h, config/arc/arc-protos.h,
        config/arm/aout.h, config/arm/elf.h, config/arm/freebsd.h,
        config/arm/linux-gas.h, config/arm/semi.h,
        config/cris/cris-protos.h, config/i386/xm-djgpp.h,
        config/ia64/freebsd.h, config/mips/7000.md,
        config/mips/9000.md, config/ns32k/ns32k-protos.h,
        config/sparc/pbd.h: Update copyright.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14577
        * config.gcc: Switch sh-*-rtems* to ELF.  Add sh-*-rtemscoff.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx): Remove the "last"
        parameter and its documentation.  Adjust recursive calls.
        (simplify_logical): Always perform the only simplification
        controlled by "last", if the simplified expression is
        actually different.
        (try_combine): Do not pass the "last" parameter to
        combine_simplify_rtx.

2004-03-16  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14599
        * config/mips/mips.md (UNSPEC_GP): New constant.
        * config/mips/mips.c (CONST_GP_P): Expect the CONST to contain
        an UNSPEC instead of (reg $gp).
        (mips16_gp_pseudo_reg): Change accordingly.
        (print_operand): Print $gp directly when handling CONST_GP_P.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
        * longlong.h: Make code 68060 clean when compiling for m68060.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config/m68k/m68k.md: Fix constraints for bitfield instructions.
        * doc/md.texi: Clarify description of "i" constraint.

2004-03-15  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split load into load, fpload, fpidxload.
        Split store into store, fpstore, fpidxstore.  Fix all uses.
        * config/mips/5400.md (ir_vr54_load, ir_vr54_store, ir_vr54_fstore):
        Likewise.
        * config/mips/5500.md (ir_vr55_load, i5_vr55_store): Likewise.
        * config/mips/7000.md (rm7_ld, rm7_st): Likewise.
        * config/mips/9000.md (rm9k_load, rm9k_store): Likewise.
        * config/mips/sr71k.md (ir_sr70_load, ir_sr70_store, ir_sr70_fload,
        ir_sr70_fstore): Likewise.

2004-03-15  Richard Henderson  <rth@redhat.com>

        PR middle-end/14535
        * except.c (collect_one_action_chain): Record action for cleanup
        outer of exception spec.

2004-03-15  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Fix the check for abort and only do the mmap if we can.

2004-03-15  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc.h: Rework comments about the code model
        in 64-bit environment and the mode 'Pmode'.
        * doc/invoke.texi (SPARC options): Rework description of the
        different code models supported in 64-bit environment.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (REVERSIBLE_CC_MODE): Define.
        * jump.c (reversed_comparison_code_parts): Don't check if
        REVERSIBLE_CC_MODE is defined.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
        et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
        hosthooks.h, params.h, ra-colorize.c, web.c,
        config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
        config/avr/avr-protos.h, config/avr/avr.md,
        config/fr30/fr30-protos.h, config/fr30/fr30.md,
        config/h8300/fixunssfsi.c, config/i386/darwin.h,
        config/i386/freebsd.h, config/i386/freebsd64.h,
        config/ia64/hpux.h, config/ia64/unwind-ia64.c,
        config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
        config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
        config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
        config/pa/pa64-regs.h, config/rs6000/aix41.h,
        config/rs6000/aix43.h, config/rs6000/host-darwin.c,
        config/sparc/aout.h, config/sparc/freebsd.h,
        config/sparc/litecoff.h, config/vax/vax-protos.h,
        doc/hostconfig.texi, doc/include/gcc-common.texi: Update
        copyright.

2004-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.

2004-03-15  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (pp_c_semicolon): Fix formatting.
        (pp_c_cv_qualifier): Document.
        (pp_c_space_for_pointer_operator): Likewise.
        (pp_c_integer_constant): Likewise.
        (pp_c_identifier): Likewise.
        (pp_c_init_declarator): Don't print function body.

2004-03-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/extend.texi, doc/gcov.texi,
        doc/install.texi, doc/invoke.texi, doc/makefile.texi,
        doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Capitalize
        "gcc", "g++" and "g77" or mark up with appropriate markup.  Adjust
        wording and grammar.

2004-03-14  Roger Sayle  <roger@eyesopen.com>

        * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().
        * builtins.c (expand_builtin_va_arg): Likewise.
        * c-common.c (fname_as_string, c_common_truthvalue_conversion,
        c_common_type_for_mode, c_common_nodes_and_builtins,
        handle_mode_attribute, handle_vector_size_attribute): Likewise.
        * c-convert.c (convert): Likewise.
        * c-format.c (check_format_types): Likewise.
        * c-objc-common.c (c_tree_printer): Likewise.
        * c-typeck.c (build_unary_op, build_conditional_expr,
        build_binary_op): Likewise.
        * calls.c (try_to_integrate, expand_call,
        emit_library_call_value_1): Likewise.
        * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p):
        Likewise.
        * cgraphunit.c (record_call_1, cgraph_analyze_function,
        cgraph_expand_function): Likewise.
        * convert.c (convert_to_pointer, convert_to_integer): Likewise.
        * coverage.c (build_fn_info_type, build_ctr_info_type,
        build_gcov_info, create_coverage): Likewise.
        * dbxout.c (dbxout_init): Likewise.
        * diagnostic.c (diagnostic_report_current_function): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (dwarf2_name): Likewise.
        * except.c (init_eh): Likewise.
        * explow.c (expr_size, int_expr_size): Likewise.
        * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add):
        Likewise.
        * expr.c (store_expr, store_constructor, safe_from_p,
        expand_expr_real, do_store_flag, try_casesi): Likewise.
        * function.c (push_function_context_to, pop_function_context_from,
        free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type,
        put_var_into_stack, allocate_struct_function, current_function_name):
        Likewise.
        * integrate.c (copy_decl_for_inlining, expand_inline_function):
        Likewise.
        * langhooks.c (lhd_clear_binding_stack, write_global_declarations,
        lhd_print_error_function): Likewise.
        * opts.c (handle_option, decode_options): Likewise.
        * passes.c (open_dump_file): Likewise.
        * print-tree.c (print_node): Likewise.
        * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands,
        expand_decl_cleanup, emit_case_nodes): Likewise.
        * stor-layout.c (variable_size): Likewise.
        * toplev.c (announce_function, wrapup_global_declarations,
        check_global_declarations, compile_file, default_tree_printer,
        process_options, lang_dependent_init, finalize): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (remap_decl, remap_block, copy_body_r,
        initialize_inlined_parameters, declare_return_variable,
        inlinable_function_p, expand_call_inline, optimize_inline_calls,
        walk_tree, copy_tree_r): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp,
        unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl,
        variably_modified_type_p, dump_tree_statistics): Likewise.
        * varasm.c (assemble_variable, compare_constant, copy_constant,
        force_const_mem, compute_reloc_for_constant, output_constant,
        output_addressed_constants, initializer_constant_valid_p): Likewise.

2004-03-14  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi: Make autoconf 2.13 the exception, not the rule.

2004-03-14  Andreas Tobler  <a.tobler@schweiz.ch>

        * doc/install.texi: Reflect autoconf and automake version for
        libffi. Update autoconf version to 2.59.

2004-03-13  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr, operand_equal_for_comparison_p,
        optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
        make_range, build_range_check, fold_range_test, unextend,
        constant_boolean_node, fold_binary_op_with_conditional_arg,
        fold_truthop, fold_mathfn_compare, fold_inf_compare,
        fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().

2004-03-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (EXTRA_CONSTRAINT_STR_ARM): Update comment.

2004-03-13  Dara Hazeghi  <dhazeghi@yahoo.com>

        * doc/install.texi: Note status of -fnew-ra.

2004-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (store_expr): Call emit_queue before generating the move
        from the temporary to the original target.  Protect the temporary
        from emit_queue.

2004-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/14533
        * config/s390/s390.c (legitimize_pic_address): Don't abort on UNSPEC
        other than UNSPEC_GOTOFF.

2004-03-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_address_p): New argument, OUTER.  Pass through
        to arm_legitimate_index_p.  Update all callers with SET as default
        value.
        (arm_legitimate_index_p): New argument, OUTER.  Restrict the index
        range if OUTER is a sign-extend operation on QImode.  Correctly
        reject shift operations on sign-extended QImode addresses.
        (bad_signed_byte_operand): Delete.
        (arm_extendqisi_mem_op): New function.
        * arm.h (EXTRA_CONSTRAINT_ARM): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR_ARM): ... this.  Handle extended address
        constraints.
        (CONSTRAINT_LEN): New.
        (EXTRA_CONSTRAINT): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR): ... this.
        (PREDICATE_CODES): Remove bad_signed_byte_operand.
        * arm.md (extendqihi_insn): Use new constraint Uq.  Rework.  Length
        is now always default.
        (define_splits for bad sign-extend loads): Delete.
        (arm_extendqisi, arm_extendqisi_v5): Likewise.
        * arm/vfp.md (arm_movsi_vfp, arm_movdi_vfp, movsf_vfp, movdf_vfp):
        Rework 'U' constraint to 'Uv'.
        * arm-protos.h: Remove bad_signed_byte_operand.  Add
        arm_extendqisi_mem_op.
        * doc/md.texi (ARM constraints): Rename VFP constraint (now Uv).
        Add Uq constraint.

2004-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_va_arg): Replace SPLIT_COMPLEX_ARGS
        with targetm version.

        PR target/14567
        * config/rs6000/rs6000.h (UNITS_PER_ARG, RS6000_ARG_SIZE): Delete.
        (HARD_REGNO_MODE_OK): Disallow TFmode for fp31.
        * config/rs6000/rs6000.c (rs6000_arg_size): New function.
        Update all users of RS6000_ARG_SIZE.
        (function_arg_advance): Count fregno using mode size.
        (function_arg): Handle long double split over regs and memory.
        (function_arg_partial_nregs): Likewise.
        (rs6000_va_arg): Repackage complex args.

2004-03-13  Dean Ferreyra <dferreyra@igc.org>

        PR target/14047
        * config/avr/avr.c (avr_progmem_p): Add "attributes" parameter.
        (avr_insert_attributes): Pass "attributes" to avr_progmem_p.
        * config/avr/avr-protos.h (avr_progmem_p): Change prototype.

2004-03-12  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
        prototype.
        * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
        * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2004-03-12  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Use ret instead of result. Use addr instead of base.

2004-03-12  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document assembler and achiver
        fixes required by libstdc++ and update installation instructions
        for libstdc++.a.

2004-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full): Strip
        leading '@' on fastcall symbols before stripping suffix.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * combine.c (unmentioned_reg_p): New function to check whether an
        expression is a "specialization" of another, i.e. that there are
        no registers or memory references mentioned in the first that don't
        appear in the second.
        (unmentioned_reg_p_1): New helper subroutine of unmentioned_reg_p.
        (combine_instructions): Also try combining instructions using the
        REG_EQUAL note from a preceding log-linked instruction.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_split_ashrdi): Optimize shift by 63.

2004-03-12  Matt Austern  <austern@apple.com>

        * target.h (struct gcc_target): New target hook, unwind_label.
        * target-def.h (TARGET_ASM_EMIT_UNWIND_LABEL): New hook.
        * output.h (default_emit_unwind_label): New function.
        * default.h (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): New macro.
        (TARGET_USES_WEAK_UNWIND_INFO): New target macro.
        (TARGET_SUPPORTS_HIDDEN): New target macro.
        * dwarf2out.c (struct dw_fde_struct): Add field for function decl
        that corresponds to this FDE.
        (FRAME_BEGIN_LABEL): Allow target to override default label.
        (output_call_frame_info): If FDEs are linknonce, then use extra
        indirection for FDE encoding, output a label for each FDE, and
        output an empty label for each function without an FDE.
        (dwarf2out_begin_prologue): Set up decl field when creating an FDE.
        * varasm.c (globalize_decl): Call ASM_MAKE_LABEL_LINKONCE for
        decls with DECL_ONE_ONLY set, if that macro is defined.
        (make_decl_one_only): Don't use DECL_COMMON if we're compiling
        for a SUPPORTS_ONE_ONLY target.
        * config/darwin-protos.h (darwin_unique_section): Declare.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_make_decl_one_only): Likewise.
        * config/darwin.c (machopic_finish): Get rid of tweak that
        eliminate stubs for symbols that are defined.
        (darwin_encode_section_info): Don't treat weak functions as defined.
        (darwin_make_decl_one_only): Define.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_unique_section): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_asm_output_dwarf_delta): Difference between two labels is
        local only if both labels are local.
        * config/darwin.h (MAKE_DECL_ONE_ONLY): Define.
        (ASM_MAKE_LABEL_LINKONCE): Likewise.
        (TARGET_SUPPORTS_HIDDEN): Likewise.
        (TARGET_USES_WEAK_UNWIND_INFO): Likewise.
        (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): Likewise.
        (FRAME_BEGIN_LABEL): Likewise.
        (ASM_DECLARE_OBJECT_NAME): Make references to weak symbols indirect.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (darwin_eh_frame_section): Give __eh_frame section the coalesced flag.
        (TARGET_ASM_UNIQUE_SECTION): Define.
        (EH_FRAME_SECTION_NAME): Define.
        (EH_FRAME_SECTION_ATTR): Likewise.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
        (TARGET_ASM_NAMED_SECTION): Likewise.
        (TARGET_SECTION_TYPE_FLAGS): Likewise.
        * doc/tm.texi: Document TARGET_USES_WEAK_UNWIND_INFO,
        TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, TARGET_SUPPORTS_HIDDEN,
        TARGET_ASM_EMIT_UNWIND_LABEL.

2004-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_mathfn): Add pow10* to the
        existing exp10* case.
        (expand_builtin): Likewise.

2004-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/tm.texi (registers) <Values in Registers>: Add
        entry for REGMODE_NATURAL_SIZE.

2004-03-12  Richard Henderson  <rth@redhat.com>

        PR target/14547
        * target.h (struct gcc_target): Move calls substructure before
        booleans.  Add split_complex_arg.
        * function.c (assign_parms, split_complex_args): Use it.
        * calls.c (expand_call): Likewise.
        (split_complex_values): Likewise.  Check for splittable types
        before allocating memory.
        (split_complex_types): Likewise.
        * system.h (SPLIT_COMPLEX_ARGS): Poison.
        * expr.h (SPLIT_COMPLEX_ARGS): Remove.
        * target-def.h (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.c (alpha_split_complex_arg): New.
        (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/rs6000/rs6000.c (TARGET_SPLIT_COMPLEX_ARG): New.
        (rs6000_override_options): Zap it for non-AIX.
        (rs6000_function_value): Use targetm.calls.split_complex_arg.
        * config/rs6000/rs6000.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Remove.
        * doc/tm.texi (TARGET_SPLIT_COMPLEX_ARG): Modify from old
        SPLIT_COMPLEX_ARGS entry.

2004-03-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (xfloating_ops, vax_cvt_ops): New.
        (alpha_lookup_xfloating_lib_func): Use them, return rtx.
        (alpha_emit_xfloating_arith): Update to match.
        (alpha_emit_xfloating_compare): Likewise.
        (alpha_emit_xfloating_cvt): Likewise.
        (alpha_emit_xfloating_libcall): Take already built symbol,
        mark call const.
        * config/alpha/alpha.md (extendsftf2, extenddftf2): Take
        op1 in a register.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR target/14539
        * config/alpha/alpha.h (STACK_BOUNDARY): Set to 128.

        * simplify-rtx.c (simplify_relational_operation): Fix typo.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/14477
        * except.c (remove_unreachable_regions): Look thru CALL_PLACEHOLDER.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/14262
        * calls.c (load_register_parameters): If BLOCK_REG_PADDING is not
        defined, pass small BLKmode values in registers in the low-order part.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (if_then_else_cond): Check for NULL return value of
        simplify_gen_subreg.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14496
        * config/mips/mips.h (UNITS_PER_FPVALUE): Fix value for
        TARGET_SINGLE_FLOAT.

2004-03-11  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (TARGET_INIT_LIBFUNCS): Add undef.
        * config/ia64/ia64.h (TARGET_INIT_LIBFUNCS): Add define.
        * config/ia64/ia64.c (ia64_init_libfuncs): New.
        (ia64_hpux_init_libfuncs): Add call to ia64_init_libfuncs.

2004-03-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
        -((int)X>>C) where C is an integer constant one bit less than the
        size of X into (unsigned)X>>C.  Similarly for unsigned->signed.
        (negate_expr) <RSHIFT_EXPR>: Implement the above transformations.

        * simplify-rtx.c (simplify_unary_operation): Also implement the
        above transformations at the RTL level.

2004-03-11  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Do round low word.

2004-03-11  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/arm.md (is_xscale): Comment this attribute and move
        it a bit further up in the file, closer to related attributes.

2004-03-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/host-solaris.c (sol_gt_pch_use_address): Add
        missing terminating marker to comment.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
        (movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
        (*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
        (*movsf_mips16, *movdf_mips16):  Name unnamed patterns.  Use
        move_operand as source predicate in all cases.
        (*movdi_32bit): Renamed from movdi_internal.  Remove 'F' constraint.
        Test reg_or_0_operand.  Use move_operand as source predicate.
        (*movdi_64bit): Renamed from movdi_internal2.  Test reg_or_0_operand.
        (*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
        (*movsi_internal): Renamed from movsi_internal.  Test reg_or_0_operand.
        (movhi, movqi, movsf, movdf): Use mips_legitimize_move.
        (*movhi_internal): Renamed from movhi_internal.  Test reg_or_0_operand.
        Use move_operand as source predicate.  Remove 'K' constraint.
        (*movqi_internal): Likewise movqi_internal.
        (*movsf_hardfloat): Renamed from movsf_internal1.  Test
        reg_or_0_operand.  Use move_operand as source predicate.
        (*movsf_softfloat): Likewise movsf_internal2.
        (*movdf_hardfloat_64bit): Likewise movsf_internal1a.
        (*movdf_hardfloat_32bit): Likewise movsf_internal1b.
        (*movdf_softfloat): Likewise movdf_internal2.
        * config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
        for DImode if !TARGET_64BIT.
        (mips_legitimize_move): Simplify accordingly.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (struct variable_def): Added field refcount.
        (variable_htab_free): Decrease the refcount and delete variable
        only if there are no more references.
        (unshare_variable): New function.
        (vars_copy_1): Increase refcount instead of copying the variable.
        (variable_union): Share the variables where possible, unshare
        the variables if needed.
        (variable_different_p): Return false if var1 and var2 are
        the same structure.
        (variable_was_changed): Init the refcount of new variable.
        (set_frame_base_location): Unshare variable if needed.
        (set_variable_part): Init the refcount of new variable.
        Unshare the variables if needed.
        (delete_variable_part): Unshare the variables if needed.
        (emit_notes_for_differences_1): Init the refcount of new variable.
        (vt_add_function_parameters): Do not add function parameters to
        IN set of ENTRY_BLOCK_PTR because it is unused anyway.
        (vt_initialize): Do not add frame_base_decl to IN set of
        ENTRY_BLOCK_PTR because it is unused anyway.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
        (vars_copy): Likewise.
        (variable_union): Likewise.
        (set_variable_part): Likewise.
        (delete_variable_part): Likewise.

2004-03-11  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c, combine.c, cse.c, dominance.c, et-forest.h,
        ggc-page.c, var-tracking.c, config/fp-bit.c, config/c4x/c4x.c,
        config/cris/cris.c, config/i386/ppro.md, config/i860/i860.c,
        config/i860/i860.h, config/m32r/m32r.h, config/m32r/xm-m32r.h,
        config/m68hc11/m68hc11.h, config/m68hc11/m68hc11.md,
        config/mips/mips.c, config/mmix/mmix.c, config/ns32k/ns32k.h,
        config/pa/pa.c, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
        config/pdp11/pdp11.h, config/rs6000/rs6000.c,
        config/stormy16/stormy16.c: Fix comment typos and formatting.

2004-03-11  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure: Regenerate, since I forgot to while committing Paolo's
        changes.

2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

        PR ada/14131
        Move language detection to the top level.
        * configure.ac: Remove code to detect languages,
        it now lives exclusively in the top level.
        * aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
        top level, renamed to ACX_PROG_GNAT.

2004-03-10  Richard Henderson  <rth@redhat.com>

        * c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
        extra arguments.
        * config.host (*-*-solaris2*, *-*-linux*): Add out_host_hook_obj
        and host_xmake_file fragments.
        * ggc-common.c (gt_pch_save): Update for gt_pch_get_address change.
        (gt_pch_restore): Similarly for gt_pch_use_address.
        (default_gt_pch_get_address): New.
        (mmap_gt_pch_get_address): Split out of gt_pch_save.
        (default_gt_pch_use_address): Split out of gt_pch_restore.
        (mmap_gt_pch_use_address): Likewise.
        * hooks.c (hook_voidp_size_t_null): Remove.
        (hook_bool_voidp_size_t_false): Remove.
        * hooks.h: Likewise.
        * hosthooks-def.h (HOST_HOOKS_GT_PCH_GET_ADDRESS): Use one of the
        default_ or mmap_ definitions.
        (HOST_HOOKS_GT_PCH_USE_ADDRESS): Likewise.
        * hosthooks.h (struct host_hooks): Update gt_pch_get_address
        and gt_pch_use_address.
        * config/host-linux.c, config/host-solaris.c: New files.
        * config/x-linux, config/x-solaris: New files.
        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_get_address):
        Update for changed definition.
        (darwin_rs6000_gt_pch_use_address): Likewise.
        * doc/hostconfig.texi: Update docs.

2004-03-10  Richard Henderson  <rth@redhat.com>

        PR c/14517
        * c-decl.c (grokdeclarator): Don't warn for duplicate qualifiers
        except for pedantic c90 mode.

2004-03-10  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac: Bump AC_PREREQ to 2.59.
        * configure: Regenerate.

2004-03-10  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
        (exp10_optab, exp2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
        * genopinit.c (optabs): Implement exp10_optab and exp2_optab
        using exp10?f2 and exp2?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
        using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
        (expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
        exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
        exp2, exp2f and exp2l built-ins as inline x87 intrinsics.

2004-03-10  Anthony Green  <green@redhat.com>

        * doc/invoke.texi (ARM Options): Fix -mpfu typo.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
        (TARGET_OS_AIX_CPP_BUILTINS): this.  Conditionally define
        __LONGDOUBLE128.
        * config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
        TARGET_OS_AIX_CPP_BUILTINS.
        * config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
        previous change.

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

        * fold-const.c (tree_expr_nonnegative_p): Add more builtin cases.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __LONGDOUBLE128 on AIX.

2004-03-10  Andrew Haley  <aph@redhat.com>

        PR optimization/14381
        * function.c (expand_function_end): Emit a blockage insn before
        the epilogue when -fnon-call-exceptions is used.

        * except.c (expand_start_all_catch): Make comment more accurate.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

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

        * dbxout.c (dbxout_symbol_location): Do not output references
        to optimized-out constant pool symbols.

2004-03-10  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable
        twon34_r.

2004-03-09  James E Wilson  <wilson@specifixinc.com>

        * alias.c (alias_sets_might_conflict_p): New.
        * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1.
        * common.opt (Wstrict-aliasing=): New.
        * flags.h (warn_strict_aliasing): Change type to int.
        * opts.c (warn_strict_aliasing): Change type to int.
        (common_handle_option): Handle OPT_Wstrict_aliasing_.
        * tree.h (alias_sets_might_conflict_p): Declare it.
        * doc/invoke.tex (-Wstrict-aliasing=2): Document it.

2004-03-10  Roman Zippel  <zippel@linux-m68k.org>

        PR bootstrap/12371
        * config/m68k/m68k.h (FIXED_REGISTERS): Add arg pointer.
        (CALL_USED_REGISTERS): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (REG_ALLOC_ORDER): New.
        (REGNO_REG_CLASS): Use regno_reg_class.
        * config/m68k/m68k.c: Add regno_reg_class array.

2004-03-09  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divsi3): Fix algorithm.
          (udivsi3): Ditto.
          (setf_exp_xf): Remove '*' from name.
        * testsuite/gcc.dg/20040309-1.c: New test.

2004-03-09  Ian Lance Taylor  <ian@wasabisystems.com>

        * system.h (SUNOS4_SHARED_LIBRARIES): Poison.
        * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
        * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
        * config/sparc/sparc.c (sparc_aout_select_section): Remove.
        (sparc_aout_select_rtx_section): Don't check
        SUNOS4_SHARED_LIBRARIES.
        * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.

2004-03-10  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14474
        * doc/md.texi (Pattern Ordering, Dependent Patterns)
        (Jump Patterns, Looping Patterns): Wrap in separate "@ifset
        INTERNALS".

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/hpux.h (MULTILIB_DEFAULTS): Define.
        (LIBGCC_SPEC): Update to match.

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (last_function_parms, last_function_parm_tags)
        (last_function_parm_others, current_function_parms)
        (current_function_parm_tags, current_function_parm_others):
        Delete.
        (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES, ARG_INFO_OTHERS):
        New macros.
        (grokdeclarator): For function definitions, save the arg-info
        block from the declarator in DECL_ARGUMENTS.
        (grokparms): Do not write to last_function_parm*.  Use ARG_INFO_*
        macros to operate on arg-info block.  Can assume ARG_INFO_PARMS
        contains only PARM_DECLs.  Improve diagnostics.
        (get_parm_info): Use ARG_INFO_* macros.  Improve comments and
        diagnostics.  Disable some expensive checks if not ENABLE_CHECKING.
        (store_parm_decls_newstyle): Take the function to operate on,
        and an arg-info block, as arguments; don't get anything from
        current_function_* globals.
        (store_parm_decls_oldstyle): Likewise.
        (store_parm_decls): Pass fndecl and its arg-info block down to
        store_parm_decls_newstyle/oldstyle.  Send functions with empty
        argument lists through store_parm_decls_newstyle to reduce
        overhead.
        (pushdecl): Comment on the problems with the call to copy_node.
        Clear DECL_ARGUMENTS of the old node after copying it, if it
        is an arg-info block instead of a chain of decls.
        (start_function): Do not manipulate current_function_parm* or
        last_function_parm*.

2004-03-09  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * ifcvt.c (noce_try_sign_mask): New function to transform
        "x = (y < 0) ? z : 0" into the equivalent "x = (y >> C) & z".
        (noce_process_if_block): Call noce_try_sign_mask.

2004-03-09  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p):
        Fix typo.

2004-03-09  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_const_relational_operation): New function
        renamed from simplify_relational_operation.
        (simplify_relational_operation): Change prototype to accept an
        additional mode argument.  Call simplify_const_relational_operation.
        (simplify_gen_relational): Update simplify_relational_operation call.
        (simplify_ternary_operation): Update simplify_relational_operation
        subroutine call to use simplify_const_relational_operation instead.

        * rtl.h (simplify_const_relational_operation): Prototype here.
        (simplify_relational_operation): Add addtional mode argument.

        * combine.c (combine_simplify_rtx): Update calls to
        simplify_relational_operation.
        (simplify_set): Likewise.
        (gen_binary): Likewise.
        * cse.c (fold_rtx): Likewise.
        * dojump.c (compare_from_rtx): Likewise.
        (do_compare_rtx_and_jump): Likewise.
        * integrate.c (subst_constants): Likewise.
        * unroll.c (simplify_cmp_and_jump_insns): Likewise.

2004-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove all define_peephole's.

2004-03-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Remove trailing whitespace.

2004-03-08  Eric Christopher  <echristo@redhat.com>

        * Makefile.in (site.exp): Add libiconv variable definition.

2004-03-09  Hans-Peter Nilsson  <hp@axis.com>

        * configure: Regenerate for config/accross.m4 correction.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

2004-03-08  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/14289
        * c-typeck.c (c_mark_addressable): A register variable should
        be considered global if its not automatic, i.e. TREE_PUBLIC,
        TREE_STATIC or DECL_EXTERNAL.
        * function.c (put_var_into_stack): Call abort when placing a
        hard register into the stack, if x_parm_reg_stack_loc is NULL.

2004-03-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*extendqidi2_short_displ"): Add CC clobber.
        ("*extendqisi2_short_displ"): Likewise.

2004-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (comparison_operator_index): Remove.
        (comp_operator): Likewise.
        * config/pdp11/pdp11-protos.h: Remove corresponding
        prototypes.

2004-03-08  Eric Botcazou  <ebotcazou@act-europe.fr>

        * expr.c (highest_pow2_factor_for_type): Rename into
        highest_pow2_factor_for_target.  Use DECL_ALIGN instead of
        TYPE_ALIGN when the target is a COMPONENT_REF.
        (expand_assignment): Ajust call to highest_pow2_factor_for_type.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c: Formatting fix.
        (legitimate_offset_address_p): Correct offset range check.

        * config/rs6000/rs6000.c (rs6000_override_options): Don't override
        -msoft-float by -mcpu.  Consolidate similar code for MASK_MULTIPLE
        and MASK_STRING.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (ashrdi3): Do not call ashrdi3_no_power
        for little endian.
        ("ashrdi3_no_power"): Disable for little endian.
        (ashrdi3): Same.

2004-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Reformat checks for
        builtins.

2004-03-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14471
        * configure.ac (Target-specific assembler checks) <cris-*-*>: New
        case, checking for -no-mul-bug-abort option.
        * configure, config.in: Regenerate.
        * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround
        and -mno-mul-bug-workaround.
        * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart")
        ("mulsidi3", "umulsidi3"): Prefix output template with "%!".
        ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"):
        Ditto.  Make attribute "slottable" dependent on TARGET_MUL_BUG.
        * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make
        sure mulu.d is not last on cache-line.
        * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround
        into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION.
        (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros.
        (TARGET_SWITCHES): New options -mmul-bug-workaround and
        -mno-mul-bug-workaround.
        (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG.
        (PRINT_OPERAND_PUNCT_VALID_P): Include '!'.
        * config/cris/cris.c (cris_operand_extend_operator): Clarify
        relation to MULT in head comment.
        (cris_op_str): Abort for MULT.
        (cris_print_operand) <case '!'>: New case.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        PR debug/11983
        * dwarf2out.c (enum dw_val_class): Rename dw_val_class_float to
        dw_val_class_vec.  Replace use throughout file.
        (dw_float_const): Delete.
        (dw_vec_const): New.
        (dw_val_struct_union): Rename val_float to val_vec.  Replace use
        throughout file.
        (add_AT_vec): Rename from add_AT_float.  Add elt_size param.
        (same_dw_val_p): Adjust vec comparison.  Use memcmp.
        (size_of_die): Adjust dw_val_class_vec sizing.
        (output_die): Output dw_val_class_vec.
        (insert_int, extract_int, insert_float): New functions.
        (add_const_value_attribute): Use insert_float for CONST_DOUBLE.
        Handle CONST_VECTOR.
        (add_location_or_const_value_attribute): Handle CONST_VECTOR.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): SPE and
        AltiVec abi cannot co-exist.

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Same.

2004-03-07  Jan Hubicka  <jh@suse.cz>

        * except.c (emit_to_new_bb_before):  Break fallthru edges.

2004-03-07  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*lshrsi3_const"): Disable for 68HC12.
        ("*lshrsi3"): Also accept an immediate for 68HC12.
        ("*ashrsi3_const"): Likewise.
        ("*ashrsi3"): Likewise.
        ("*ashlsi3_const"): Likewise.
        ("*ashlsi3"): Likewise.
        ("cmphi_1_hc12"): Compare two hard register by pushing them and
        comparing with a pop; don't use a split for that.
        ("cmphi split"): Disable compare split for 68HC12.

        * config/m68hc11/m68hc11.c (m68hc11_notice_update_cc): Invalidate
        the status operands if they have side effects.

2004-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (LEGITIMIZE_ADDRESS): Provide a default
        definition.
        * config/arc/arc.h, config/fr30/fr30.h, config/frv/frv.h,
        config/h8300/h8300.h, config/ia64/ia64.h,
        config/mcore/mcore.h, config/mmix/mmix.h,
        config/ns32k/ns32k.h, config/pdp11/pdp11.h,
        config/stormy16/stormy16.h, config/v850/v850.h,
        config/vax/vax.h (LEGITIMIZE_ADDRESS): Remove.
        * doc/tm.texi (LEGITIMIZE_ADDRESS): Mention the default
        definition.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
        <XOR_EXPR>: Fold x ^ x as zero.
        <AND_EXPR>: Fold x & x as x.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <EQ_EXPR>: Rewrite optimization to transform
        "foo++ == const" into "++foo == const+incr".

2004-03-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_in_small_data_p): Return false if
        TARGET_ABICALLS.

2004-03-06  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Use 2,-sp to push
        the stack register.
        (expand_prologue): Don't make an interrupt or a trap handler a far
        symbol.
        (m68hc11_initial_elimination_offset): Likewise.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_in_small_data_p): False for functions.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k-protos.h: Add a prototype for
        ns32k_notice_update_cc.
        * config/ns32k/ns32k.c (ns32k_notice_update_cc): New.
        * config/ns32k/ns32k.h (NOTICE_UPDATE_CC): Call
        ns32k_notice_update_cc.

2004-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("load_multiple", "*load_multiple_di",
        "*load_multiple_si"): Allow only if reload_completed.
        ("store_multiple", "*store_multiple_di", "*store_multiple_si"):
        Likewise.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax-protos.h: Add a prototype for
        vax_notice_update_cc.
        * config/vax/vax.c (vax_notice_update_cc): New.
        * config/vax/vax.h (NOTICE_UPDATE_CC): Call
        vax_notice_update_cc.

2004-03-06  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Only export initfunc and finifunc if
        LD_INIT_SWITCH not defined.
        (scan_prog_file): Only export constructors and destructors if
        LD_INIT_SWITCH not defined.  Only export symbols not found in
        shared objects.

2004-03-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (icacheflush): Reorder operands to make match_scratch operand
        last.
        * pa.h (INITIALIZE_TRAMPOLINE): Remove unnecessary scratch argument
        from calls to gen_icacheflush.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (MASK_LONG_DOUBLE_128): New.
        (TARGET_LONG_DOUBLE_128): New.
        (TARGET_SWITCHES): Add long-double-{128,64}.
        (TARGET_HAS_XFLOATING_LIBS): Default to TARGET_LONG_DOUBLE_128.
        (LONG_DOUBLE_TYPE_SIZE): Honor TARGET_LONG_DOUBLE_128.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New.
        (WIDEST_HARDWARE_FP_SIZE): New.
        (TARGET_CPU_CPP_BUILTINS): Define __LONG_DOUBLE_128__.
        * config/alpha/alpha.c (override_options): Clear MASK_LONG_DOUBLE_128
        if TARGET_VAX_FLOAT.
        * config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): Remove.
        (TARGET_DEFAULT): Set MASK_LONG_DOUBLE_128.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_swapped_comparison_operator): Fix
        botched rtx class conversion.

2004-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P,
        BUILTIN_CBRT_P, BUILTIN_ROOT_P): New macros.

        * builtins.c (fold_builtin_logarithm, fold_builtin): Use new
        macros.
        * fold-const.c (fold_mathfn_compare, fold): Likewise.

2004-03-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/14343
        * config/i386/i386.md (movv2di_internal): Conditionalize on
        TARGET_SSE, not TARGET_SSE2.

2004-03-05  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mips64orion-*-elf*, mips64orionel-*-elf*): Delete
        duplicated line.

2004-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c: Consistently use logN not log* in comments.

2004-03-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * rtl.h (mem_expr_equal_p): Function prototype added.
        * cfgcleanup.c (merge_memattrs): New function.
        (flow_find_cross_jump): Call merge_memattrs for matching insns.
        * emit-rtl.c (mem_expr_equal_p): New function.

2004-03-05  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (synth_module_prologue): Const-qualify
        objc_selector type if using the GNU runtime; fix generated
        signatures for objc_msg_lookup and objc_msg_lookup_super
        to match what GNU ObjC headers provide; reformat and clean up.
        (synth_self_and_ucmd_args): Use previously constructed (and
        hence possibly const-qualified) objc_selector type.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-03-05  Jason Merrill  <jason@redhat.com>

        * tree.h (TYPE_HASH): Use TYPE_UID.
        (TREE_HASH): New macro with old definition of TYPE_HASH.
        * tree.c (build_type_attribute_variant): Use iterative_hash_object.
        (build_array_type, build_function_type): Likewise.
        (build_method_type_directly): Likewise.
        (build_offset_type, build_complex_type): Likewise.
        (type_hash_list, attribute_hash_list): Likewise. Now static.
        * except.c: s/TYPE_HASH/TREE_HASH/.

2004-03-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Handle 16-byte aligned args.
        (xtensa_va_start): Initialize __va_stk to ($arg_ptr - 32).  Adjust
        __va_ndx by 2 words when referencing an argument on the stack.
        (xtensa_va_arg): Handle 16-byte aligned args.  Adjust __va_ndx by 2
        words when an arg on the stack is first seen.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * arm.h (ARM_FLAG_VFP): Remove.
        (ARM_FLAG_ATPCS, CIRRUS_FIX_INVALID_INSNS): Renumber.
        * netbsd-elf.h (ARM_FLAG_VFP): Remove.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Include pretend alignment offset.

2004-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case FUNCTION_TYPE): Make size
        FUNCTION_BOUNDARY, not POINTER_SIZE * 2.

2004-03-05  Ian Lance Taylor  <ian@wasabisystems.com>

        * configure.ac: When passing --enable-languages to subdir
        configure when host != build, make sure we don't pass an empty
        value.
        * configure: Regenerate.

2004-03-05  Nathan Sidwell  <nathan@codesourcery.com>

        PR 13577
        * gcc.c (cc1_options): Robustify -auxbase-strip from multiple -o
        options.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_relational_operation): If
        flag_wrapv is set, do not move terms between the two
        side of a relational operator.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c: Include target.h and output.h
        (rtx_cost, address_cost, default_address_cost): Move from...
        * cse.c (rtx_cost, address_cost, default_address_cost):
        ... this file.
        * rtl.h (rtx_cost, address_cost): Move under rtlanal.c.
        * Makefile.in: Adjust dependencies.

2004-03-05  Paolo Bonzini <bonzini@gnu.org>

        * cse.c (cse_end_of_basic_block): Make static.
        * local-alloc.c (function_invariant_p): Move to
        reload1.c.
        * loop.c (libcall_other_reg, record_excess_regs):
        Make static.
        * reload1.c (function_invariant_p): Moved here
        from local-alloc.c, made static.
        * rtl.h (cse_end_of_basic_block, function_invariant_p,
        libcall_other_reg, record_excess_regs): Remove
        declarations.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (signed_comparison_operator): Add a
        missing parenthesis.

2004-03-04  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-common.c (gt_pch_restore): Don't unmap addr unless we are
        going to call mmap again.  Read the file into the right place.
        Give a fatal error if we have to relocate.

2004-03-04  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_return_in_msb): New function.
        (TARGET_RETURN_IN_MSB): Define to xtensa_return_in_msb.

2004-03-05  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14354
        * config/fp-bit.c (_fpdiv_parts): Do not round when pack_d would
        round the same.  When rounding, clear bits that would cause a
        second rounding in pack_d.
        (_fpmul_parts): Ditto.  Remove #if 0:d code.

2004-03-04  Ziemowit Laski  <zlaski@apple.com>

        PR c++/14425, c++/14426
        * config/rs6000/altivec.h (vec_splat_s8, vec_splat_s16,
        vec_splat_s32, vec_splat_u8, vec_splat_u16, vec_splat_u32):
        Change C++ definitions to accept a 'const int' argument;
        the prototypes already do.
        * config/rs6000/rs6000.c (rs6000_common_init_builtins):
        Rename v4si_ftype_char, v8hi_ftype_char, v16qi_ftype_char,
        v4sf_ftype_v4si_char, v4si_ftype_v4sf_char, v4si_ftype_v4si_char,
        v8hi_ftype_v8hi_char, v16qi_ftype_v16qi_char,
        v16qi_ftype_v16qi_v16qi_char, v8hi_ftype_v8hi_v8hi_char,
        v4si_ftype_v4si_v4si_char and v4sf_ftype_v4sf_v4sf_char to
        end in ..._int; change them to accept an int instead of a char
        as the last parameter.

2004-03-04  Phil Edwards  <phil@codesourcery.com>

        * genmultilib:  Change '=' to '-' when translating option names
        to directory names.

2004-03-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real, case COMPONENT_REF): Get proper type of
        stack slot for temp used for result of BLKmode but in integral mode.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * reload.c (find_reloads): Reorganize if seqeunce to switch.

        * cfgrtl.c (rtl_redirect_edge_and_branch):  Set the source BB as dirty.
        (cfglayout_redirect_edge_and_branch):  Set the source BB as dirty.

2004-03-04  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm.
        * testsuite/gcc.dg/20040303-1.c: New test.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * ppro.md: Rewrite as a DFA pipeline description.
        * i386.md: Remove all uses of the ppro_uops attribute.
        * i386.c: (ix86_safe_ppro_uops, ix86_dump_ppro_packet,
        ix86_reorder_insn, ix86_sched_reorder_ppro, ix86_sched_init,
        ix86_sched_reorder, ix86_variable_issue,
        struct ix86_sched_data, TARGET_SCHED_VARIABLE_ISSUE,
        TARGET_SCHED_INIT, TARGET_SCHED_REORDER): Remove.
        (ia32_use_dfa_pipeline_interface): Add TARGET_PENTIUMPRO.
        (ia32_multipass_dfa_lookahead): Add TARGET_PENTIUMPRO.
        * athlon.md (athlon_ssecmp_load): Fix comment

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/doc/invoke.texi: Document -mlongcall for Darwin/PPC.

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/config/i386/darwin.h: Darwin/x86 doesn't support CPUs before
        686, tell Darwin assembler to allow prefetch insns, non-empty def
        of SUBTARGET_OPTION_TRANSLATE_TABLE.

2004-03-04  DJ Delorie  <dj@redhat.com>

        PR optimization/14282
        * sched-deps.c (sched_analyze_insn): Allow a stack adjustment
        between a call and the assignment of its return value.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Put a comment for every function.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * i386.h (TARGET_CPU_DEFAULT_nocona): Fix value.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (thread_jump): Update call of cselib_init.
        * cselib.c (cselib_record_memory): New static variable.
        (cselib_lookup_mem, cselib_record_set, cselib_record_sets):
        Give up on memories when asked for.
        (cselib_init): Accept new argument.
        * cselib.h (cselib_init): Update prototype.
        * gcse.c (local_cprop_pass): Update call of cselib_init.
        * loop.c (load_mems): Update call of cselib_init.
        * postreload.c (reload_cse_regs_1): Update call of cselib_init.
        * sched-deps.c (sched_analyze): Update call of cselib_init.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>
            GP <gp@qnx.com>

        * config/rs6000/rs6000.c (output_function_profiler): Append @plt
        when compiling PIC.

2004-03-04  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (track_expr_p): Do not track variables which
        should be ignored for debugging purposes.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Don't bother rounding low double.
        * c-cppbuiltin.c (builtin_define_float_constants): Tweak MAX
        when fmt->pnan < fmt->p.

2004-03-04  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Fix to check
        only range of valid arg registers and fixed_regs.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/14406
        * config/rs6000/rs6000.md (abstf2, abstf2+1): Delete define_insn.
        (abstf2, abstf2_internal): New define_expand.

2004-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/14235
        * expr.c (convert_move): Copy the source to a new pseudo
        when converting from a sub-word source to a larger-than-word
        register which conflicts with the source.

2004-03-03  Zack Weinberg  <zack@codesourcery.com>

        PR 13728
        * c-decl.c (diagnose_mismatched_decls): Issue an error for two
        parameters with the same name, unless one is a forward decl.
        Do not issue a redundant-redeclaration warning for forward
        decls of parameters.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document use of Bash to speed up
        configuration.

2004-03-03  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-zone.c (ggc_pch_write_object): Don't align file pointer.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * target-def.h (TARGET_OPTF): Delete.
        * c-opts.c (TARGET_OPTF): Define.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix another miss-application of my previous
        patch.

2004-03-03  Mike Stump  <mrs@apple.com>

        Add framework support for darwin.

        * c-incpath.c: Include target.h and machmode.h.
        (add_path): Use a consistent style for cpp_dir.  Initialize
        p->construct to 0.
        (add_cpp_dir_path): New.
        (register_include_chains): Add use of extra_includes callback.
        (hook_void_int): Add.
        (target_c_incpath): Add.
        * c-incpath.h (add_cpp_dir_path): New.
        (target_c_incpath_s): Add.
        (target_c_incpath): Add.
        (C_INCPATH_INIT): Add.
        * c-opts.c (c_common_missing_argument,
        c_common_handle_option): Add -F argument processing.
        * c.opt: Add -F argument processing.
        * gcc.c (trad_capable_cpp): Add -F argument processing.
        * cppfiles.c (find_file_in_dir): Update to use construct
        callback.
        (search_path_exhausted, cpp_get_path, cpp_get_buffer,
        cpp_get_prev): New.
        (_cpp_find_file): Use search_path_exhausted.
        (make_cpp_dir): Initialize construct to 0.
        * cpplib.h (missing_header_cb
        cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
        (cpp_callbacks): Add missing_header
        (cpp_dir): Add construct.
        * target-def.h: (TARGET_OPTF): New.
        * hooks.c (hook_void_int, hook_void_charptr): Add.
        * hooks.h (hook_void_int, hook_void_charptr): Add.
        * Makefile.in (c-incpath.o) : Add $(TARGET_H) and
        $(MACHMODE_H) dependencies.
        * doc/invoke.texi (Darwin Options): Document -F.
        * doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
        (TARGET_OPTF): Add.
        * fix-header.c (target_c_incpath): Add.

        * config/darwin-c.c: Add c-incpath.h include.
        (using_frameworks, find_subframework_file,
        find_subframework_header, add_system_framework_path,
        frameworks_in_use, num_frameworks, max_frameworks,
        add_framework, find_framework, struct framework_header,
        framework_header_dirs, framework_construct_pathname,
        find_subframework_file, add_system_framework_path,
        add_framework_path, framework_defaults,
        darwin_register_frameworks, find_subframework_header): Add.
        * config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
        (TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
        (CPP_SPEC): Add __APPLE_CC__ support.
        * t-darwin (darwin-c.o): Add c-incpath.h dependency.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix miss-application of my previous
        patch.

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

        * hooks.c (hook_tree_tree_identity): New.
        * hooks.h: Add a prototype for hook_tree_tree_identity.
        * stmt.c (expand_asm_operands): Use targetm.md_asm_clobbers
        instead of MD_ASM_CLOBBERS.
        * system.h (MD_ASM_CLOBBERS): Poison.
        * target-def.h (TARGET_MD_ASM_CLOBBERS): New.
        (TARGET_INITIALIZER): Add TARGET_MD_ASM_CLOBBERS.
        * target.h (gcc_target): Add md_asm_clobbers.
        * config/i386/i386.c (TARGET_MD_ASM_CLOBBERS): New.
        (ix86_md_asm_clobbers): New.
        * config/i386/i386.h (MD_ASM_CLOBBERS): Remove.
        * doc/tm.texi (MD_ASM_CLOBBERS): Change to
        TARGET_MD_ASM_CLOBBERS.

2004-03-03  Stuart Hastings  <stuart@apple.com>

        * gcc/config.gcc: Arrange for Darwin/x86 to build libgcc_eh.a.

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

        * config/sparc/sparc.c (noov_compare64_op): Fix typo.

        * config/sparc/sparc.h (ASM_FLOAT): Delete.
        (ASM_DOUBLE): Likewise.
        (ASM_LONGDOUBLE): Likewise.
        * config/sparc/pbd.h (ASM_INT_OP): Delete.

2004-03-03  Richard Henderson  <rth@redhat.com>

        PR opt/13862
        * cselib.c (cselib_record_sets): Don't record multiple sets in
        asm insns.

2004-03-03  Mostafa Hagog  <mustafa@il.ibm.com>

        * common.opt: Add description of the new -fgcse-after-reload flag.

        * flags.h (flag_gcse_after_reload): Declaration of global variable.

        * gcse.c (reg_used_on_edge ,reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, rtx 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): New functions to implement
        gcse-after-reload.
        (gcse_after_reload_main): New function, the main entry point to
        gcse-after-reload.

        * rtl.h (gcse_after_reload_main): Declaration of the new function.

        * opts.c (common_handle_option): Handle the -fgcse-after-reload flag.

        * toplev.c (flag_gcse_after_reload): Initialization.

        * passes.c (rest_of_handl_gcse2): Call gcse_after_reload_main.

        * params.def (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION): New parameters for tuning
        the gcse after reload optimization.

        * params.h (GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        GCSE_AFTER_RELOAD_CRITICAL_FRACTION): Two macros to access the tuning
        parameters.

        * doc/invoke.texi: Documentation for the new flag gcse-after-reload.

2004-03-03  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-df.S (muldf3, divdf3): Fix denormalization of
        small negative values.

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * cselib.c (hash_table):  Remove GTY marker.
        (reg_values): Turn into array.
        (used_regs): Likewise.
        (n_used_regs): New static variable.
        (reg_values_old): Kill.
        (clear_table): Update uses of arrays.
        (cselib_lookup): Likewise.
        (cselib_record_set): Likewise.
        (cselib_init): Likewise.
        (cselib_finish): Likewise.
        (cselib_udpate_varray_sizes): Kill.
        * cselib.h (cselib_update_varray_sizes): Kill.

2004-03-03  Paul Brook  <paul@codesourcery.com>

        * flow.c (ior_reg_cond, and_reg_cond): Remove stray ")".

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_alloc_cleared_stat, ggc_realloc_stat):
        Rename from ...; make statistics transparent.
        (ggc_alloc_cleared, ggc_realloc_stat): ... these.
        (loc_descriptor): New structure.
        (hash_descriptor, eq_descriptor, loc_descriptor, cmp_statistics,
        add_statistics):
        New static function.
        (ggc_record_overhead, dump_statistics): New global function.
        * ggc-none.c (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Rename
        from ...; accept locations
        (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  ... this one.
        from ...; accept locations
        * ggc-page.c (ggc_alloc_typed_stat, ggc_alloc_zone_stat,
        ggc_alloc_stat): Rename from ... ; pass locations
        * ggc-page.c (ggc_alloc_typed, ggc_alloc_zone, ggc_alloc):
        ... this one.
        (ggc_alloc_stat): Record overehead.
        * ggc.h (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  Turn to macros
        (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Declare.
        (dump_ggc_loc_satistics, ggc_record_overehead): Declare.
        * langhooks.h (lhd_make_node): Declare.
        (LANG_HOOKS_MAKE_TYPE): Default to new function,
        * langhooks.c (lhd_make_node): New.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Rename from ... ; pass
        locations.
        (rtx_alloc, swallow_copy_rtx): ... this one.
        * rtl.h (rtx_alloc, swallow_copy_rtx): Turn to macros.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Declare.
        * toplpev.c (finalize): Dump stats.
        * tree.c (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Rename from ... ; pass locators.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): Declare.
        * tree.h (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Declare.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): New macros.
        * Makefile.in (RTL_H, TREE_H): Add statistics.h dependency.
        * statistics.h: New file.

2004-03-03  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4400, TARGET_FIX_R4400): New macros.
        (TARGET_SWITCHES): Add -mfix-r4400 and -mno-fix-r4400.
        * config/mips/mips.c (mips_output_division): Fill the branch delay
        slot with a nop if TARGET_FIX_R4000.  Extend R4000 workarounds to
        TARGET_FIX_R4400.
        (mips_output_division): Adjust accordingly.
        (override_options): Make -march=r4400 imply -mfix-r4400 by default.
        * doc/invoke.texi: Document -mfix-r4400 and new errata workarounds.

2004-03-03  Paolo Bonzini  <bonzini@gnu.org>

        * alias.c (rtx_equal_for_memref_p): Use predicates
        to test rtx classes and new rtx class codes, possibly
        splitting conditionals that tested against '<' and 'o'.
        * caller-save.c (save_call_clobbered_regs): Likewise.
        * combine.c (contains_muldiv, find_split_point, subst,
        combine_simplify_rtx, simplify_if_then_else,
        simplify_set, simplify_logical, expand_compound_operation,
        make_compound_operation, if_then_else_cond, known_cond,
        apply_distributive_law, cached_nonzero_bits,
        cached_num_sign_bit_copies, simplify_shift_const,
        gen_binary, simplify_comparison, update_table_tick,
        record_value_for_reg, get_lsat_value_validate): Likewise.
        * cse.c (mention_regs, find_best_addr, find_comparison_args,
        fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
        Likewise.
        * emit-rtl.c (copy_insn_1): Likewise.
        * expr.c (force_operand): Likewise.
        * final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
        * flow.c (notice_stack_pointer_modification_1,
        invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
        and_reg_cond, elim_reg_cond): Likewise.
        * function.c (update_epilogue_consts): Likewise.
        * genattrtab.c (attr_rtx_1): Likewise.
        * genopinit.c (gen_insn): Likewise.
        * integrate.c (subst_constants): Likewise.
        * jump.c (reversed_comparison_code_parts,
        reversed_comparison_code, delete_related_insns,
        rtx_renumbered_equal_p): Likewise.
        * local-alloc.c (block_alloc): Likewise.
        * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
        canonicalize_condition): Likewise.
        * loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
        Likewise.
        * optabs.c (add_equal_node, expand_binop): Likewise.
        * predict.c (estimate_probability): Likewise.
        * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
        * recog.c (validate_replace_rtx_1, comparison_operator,
        offsettable_address_p, constrain_operands): Likewise.
        * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
        Likewise.
        * regclass.c (scan_one_insn): Likewise.
        * regmove.c (stable_and_no_regs_but_for_p): Likewise.
        * regrename.c (kill_autoinc_value): Likewise.
        * reload.c (find_reusable_reload, find_reloads,
        reg_overlap_mentioned_for_reload_p): Likewise.
        * reload1.c (gen_reload, delete_address_reloads_1): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtl.h (CONSTANT_P, INSN_P): Likewise.
        * rtlanal.c (commutative_operand_precedence): Likewise.
        * sched-deps.c (conditions_mutex_p): Likewise.
        * sched-rgn.c (is_cfg_nonregular): Likewise.
        * simplify-rtx.c (simplify_gen_binary,
        simplify_gen_relational, simplify_replace_rtx,
        simplify_unary_operation, simplify_binary_operation,
        simplify_ternary_operation, simplify_rtx): Likewise.
        * unroll.c (reg_dead_after_loop): Likewise.
        * config/alpha/alpha.c (alpha_swapped_comparison_operator,
        print_operand): Likewise.
        * config/arc/arc.c (proper_comparison_operator): Likewise.
        * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
        Likewise.
        * config/avr/avr.c (_reg_unused_after): Likewise.
        * config/frv/frv.c (frv_ifcvt_modify_tests,
        frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
        * config/i386/i386.c (ix86_comparison_operator,
        ix86_carry_flag_operator, fcmov_comparison_operator,
        arith_or_logical_operator, print_operand,
        ix86_expand_binary_operator, ix86_binary_operator_ok):
        Likewise.
        * config/i386/i386.md: Likewise.
        * config/ia64/ia64.c (not_postinc_memory_operand,
        ia64_print_operand, update_set_flags, errata_emit_nops):
        Likewise.
        * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
        CONSTRAINT_OK_FOR_S): Likewise.
        * config/ip2k/ip2k.c (mdr_resequence_xy_yx,
        mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
        ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
        ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
        Likewise.
        * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
        eqne_comparison_operator, signed_comparison_operator):
        Likewise.
        * config/mips/mips.c (cmp_op, symbolic_expression_p):
        Likewise.
        * config/mmix/mmix (mmix_foldable_comparison_operator,
        mmix_comparison_operator): Likewise.
        * config/pa/pa.c (hppa_legitimize_address): Likewise.
        * config/rs6000/rs6000.c (stmw_operation,
        branch_comparison_operator, trap_comparison_operator,
        ccr_bit): Likewise.
        * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
        * config/s390/s390.c (s390_alc_comparison,
        s390_slb_comparison):L Likewise.
        * config/sh/sh.c (gen_block_redirect, reg_unused_after):
        Likewise.
        * config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
        noov_compare_op, noov_compare64_op, v9_regcmp_op,
        emit_hard_tfmode_operation, reg_unused_after)
        * doc/md.texi, doc/rtl.texi: Likewise.

        * ra-debug.c: Add 2004 to list of copyright years.
        * unroll.c: Likewise.

        * combine.c (simplify_logical): Remove dummy test,
        (apply_distributive_law): Fix typo in comment.
        GET_CODE (x) == AND so x is a commutative binary op.
        * jump.c (delete_related_insns): simplify loop
        condition, move testing of RTX codes inside the loop.
        (rtx_renumbered_equal_p): do not use RTX_CODE.
        * rtl.c (rtx_class): Declare as enum rtx_class.
        * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
        Move to RTX_COMM_COMPARE class.
        (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
        Move to RTX_CONST_OBJ class.
        * rtl.h (enum rtx_class): New declaration,
        (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
        RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
        RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
        RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
        RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
        ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
        SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
        OBJECT_P): New macros.
        * config/sparc/sparc.c (noov_compare_op): Remove register
        from parameter.

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

        * target.h: Remove texi jargons in comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (___fixunssfsi): Change the
        threshold to 0x4f.

        Revert:
        2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/md.texi (cbranchmode4): New.

2004-03-02  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips16.S: Change fixsfsi and fixdfsi to
        fix_trunc.
        * config/mips/mips.c (mips_init_libfuncs): Change accordingly.
        * config/mips/t-elf (LIB1ASMFUNCS): Ditto.
        * config/mips/t-isa3264 (LIB1ASMFUNCS): Ditto.
        * config/mips/t-r3900 (LIB1ASMFUNCS): Ditto.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/11767
        * coverage.c (coverage_counter_ref): Set MEM_NOTRAP_P.
        * optabs.c (prepare_cmp_insn): Force trapping memories to registers
        before the compare, if flag_non_call_exceptions.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/14327
        * stmt.c (expand_computed_goto): Do do_pending_stack_adjust before
        emitting the label, not after.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_addr_mode): New variable.
        (m68hc11_mov_addr_mode): Likewise.
        (m68hc11_override_options): Initialize them based on target.
        (register_indirect_p): Allow a MEM for indirect addressing modes and
        use flags to control what is allowed.
        (m68hc11_small_indexed_indirect_p): Use m68hc11_mov_addr_mode for
        supported addressing modes.
        (m68hc11_register_indirect_p): Use m68hc11_addr_mode.
        (go_if_legitimate_address_internal): Likewise.
        (m68hc11_indirect_p): Likewise and check the mode.
        (print_operand): Allow a (MEM (MEM)) and generate indirect addressing.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (BUILTIN_SETJMP_FRAME_VALUE): Remove.
        (expand_builtin_setjmp_setup): Use
        targetm.builtin_setjmp_frame_value instead of
        BUILTIN_SETJMP_FRAME_VALUE.
        * system.h (BUILTIN_SETJMP_FRAME_VALUE): Poison.
        * target-def.h (TARGET_BUILTIN_SETJMP_FRAME_VALUE): New.
        (TARGET_INITIALIZER): Add TARGET_BUILTIN_SETJMP_FRAME_VALUE.
        * target.h (gcc_target): Add builtin_setjmp_frame_value.
        * targhooks.c (default_builtin_setjmp_frame_value): New.
        * targhooks.h: Add a prototype for
        default_builtin_setjmp_frame_value.
        * doc/tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Change to
        TARGET_BUILTIN_SETJMP_FRAME_VALUE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (move peephole2): New peepholes to optimize
        sequences of moves.
        (add peepholes): New peepholes to optimize sequences adding small
        constants.
        (bset peepholes): New peepholes to transform an OR in a bset form
        (bclr peepholes): Likewise for bclr form.
        (cmp peepholes): New peepholes to avoid register copies when comparing.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*pushdi_internal"): New insn and split
        to separate push from moves.
        ("*pushdf_internal"): Likewise.
        ("*pushsf_internal"): Likewise.
        ("*pushsi_internal"): Likewise.
        ("movdi_internal"): Use define_insn_and_split; non push operand.
        ("movdf_internal"): Likewise.
        ("movsf_internal"): Likewise.
        ("movsi_internal"): Likewise.
        ("*movhi_68hc12", "*addhi3_68hc12"): Fix and tune constraints
        ("*addhi3", "*subhi3", "*andhi3_mem", "*iorhi3_mem"): Likewise.
        ("*ashlsi3_const1", "*lshrsi3_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("tstqi_z_used"): Use define_insn_and_split.
        ("cmphi_z_used", "cmpqi_z_used"): Likewise.
        ("movstrictsi", "movstricthi", "movstrictqi"): Likewise.
        ("anddi3", "andsi3", "iordi3", "iorsi3"): Likewise.
        ("xordi3", "xorsi3", "*logicalsi3_zexthi"): Likewise.
        ("*logicalsi3_zextqi", "*logicalhi3_zexthi_ashift8"): Likewise.
        ("logicalhi3_zexthi", "*logicalsi3_silshr16"): Likewise.
        ("*logicalsi3_silshl16", "*logicalsi3_silshl16_zext"): Likewise.
        ("*ashldi3_const32", "*ashldi3_const1", "addsi_silshr16"): Likewise.
        ("addsi_andshr16", "*ashlsi3_const16_zexthi"): Likewise.
        ("*lshrdi3_const32", "*lshrdi_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (SOFT_TMP_REGNUM): Define.
        (SOFT_XY_REGNUM): Define.
        (cmp split): Use the above instead of hard coded numbers.
        (8-bit op split): No need to check the mode; allow Q_REG.
        (ashift split): Adjust the first operand if it uses the SP and we
        are pushing the shifted value.
        (plus shift split): Fix when a source is in register D+X.
        ("doloop_end"): Pass dummy arguments to gen_rtx_NE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix when
        comparing with Z register.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (struct loop_desc): Removed.
        (struct loop): Fields simple, desc and has_desc removed.
        (simple_loop_p, count_loop_iterations): Declaration removed.
        * cfgloopanal.c (struct unmark_altered_insn_data): Removed.
        (unmark_altered, blocks_invariant_registers, unmark_altered_insn
        blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
        invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
        simple_loop_exit_p, variable_initial_value, variable_initial_values,
        simple_condition_p, simple_increment, count_strange_loop_iterations,
        inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
        Removed.
        * loop-iv.c (check_simple_exit, find_simple_exit): Update comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * genattrtab.c: Don't handle MATCH_INSN.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * rtl.def (match_insn): Remove.
        * doc/md.texi (match_insn, match_insn2): Remove.

2004-03-02  Mark Mitchell  <mark@codesourcery.com>

        * doc/c-tree.texi (DECL_ASSEMBLER_NAME): Mention that using this
        macro results in memory allocation.

2004-03-02  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h (FBSD_DYNAMIC_LINKER): Add.
        * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Define
        %(fbsd_dynamic_linker),
        (LINK_SPEC): Use %(fbsd_dynamic_linker), and sync style with
        config/i386/freebsd.h
        * config/arm/freebsd.h: Ditto.
        * config/i386/freebsd.h: Ditto.
        * config/i386/freebsd64.h: Ditto.
        * config/ia64/freebsd.h: Ditto.
        * config/rs6000/sysv4.h: Ditto.
        * config/sparc/freebsd.h: Ditto.

2004-03-02  Loren James Rittle  <ljrittle@acm.org>

        * gcc/doc/install.texi (*-*-freebsd*): Update target information.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.def (define_combine): Remove.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak formatting.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*cmphi_h8300): Rename to
        *cmphi_h8300_znvc.
        (*cmphi_h8300hs): Rename to *cmphi_h8300hs_znvc.

2004-03-01  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/14356
        * gcc.c (process_command): Remove const-qualification from argv.
        (main): Likewise.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (pushqi1_h8300hs): Rename to
        pushqi1_h8300hs_advanced.  Adjust its caller.
        (pushhi1_h8300hs): Rename to pushhi1_h8300hs_advanced.
        Adjust its caller.

2004-03-02  Nicolas Roche  <roche@act-europe.fr>

        * Makefile.in (install-libgcc, install-multilib): Pass
        mkinstalldirs var to libgcc.mk.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (DBX_OUTPUT_STANDARD_TYPES): Poison.
        * doc/tm.texi (DBX_OUTPUT_STANDARD_TYPES): Remove.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (gtle_operator): Accept GT and LE.
        * config/h8300/h8300.md: Split several peephole2's, each into
        two.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dominance.c (recount_dominator): Handle postdominators.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (enum mips_symbol_type): Move from mips.h.
        (NUM_SYMBOL_TYPES): Likewise.
        (SYMBOL_64_HIGH, SYMBOL_64_MID, SYMBOL_64_LOW): New symbol types.
        (mips_unspec_address): Declare.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        * config/mips/mips.h (PREDICATE_CODES): Add general_symbolic_operand.
        * config/mips/mips.c (enum mips_symbol_type, NUM_SYMBOL_TYPES): Delete.
        (mips_symbolic_constant_p, mips_symbolic_address_p)
        (mips_symbol_insns): Handle new symbol types.
        (general_symbolic_operand): New predicate.
        (mips_unspec_address): Make extern.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        (override_options): Allow -mabi=64 -mno-abicalls -mexplicit-relocs.
        Handle new symbol types.
        * config/mips/mips.md (*lea_high64, *lea64): New patterns.
        (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_disp[sd]i): Call
        mips_unspec_address directly.
        * doc/invoke.texi: Remove the -mabi=64 -mno-abicalls exception from
        the documentation of -mexplicit-relocs.

2004-03-01  Jeff Law  <law@redhat.com>

        * fold-const.c (fold): An equality comparison of a non-weak object
        against zero has a known result.  Similarly an equality comparison
        of the address of two non-weak, unaliased symbols has a known result.

        * ggc-page.c (struct page_entry): New field PREV.
        (ggc_alloc): Update PREV field appropriately.
        (sweep_pages): Likewise.
        (ggc_free): Likewise.  Use PREV field rather than loop to
        improve ggc_free performance.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_output_division): Use the division
        instruction to fill the delay slot of a zero check.
        (mips_idiv_insns): Adjust accordingly.

2004-03-01  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Create a default tmake_file for linux, and use
        it in all but two linux clauses.  Comment those two.

2004-03-01  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (try_combine):  Do not refer to is_replaced.
        (gen_lowpart_for_combine):  Perverse subregs now have a
        more politically correct name.
        * cse.c (cse_insn): Likewise.
        * jump.c: Fix bogus reference to delete_insn.

2004-02-29  Mark Mitchell  <mark@codesourcery.com>

        PR debug/14328
        * dwarf2out.c (gen_enumeration_type_die): Output all enumeration
        constants as signed values.

        PR middle-end/13448
        * c-tree.h (readonly_warning): Rename to ...
        (readonly_error): ... this.
        * c-typeck.c (build_unary_op): Adjust accordingly.
        (readonly_warning): Rename to ...
        (readonly_error): ... this and issue errors, not warnings.
        (build_modify_expr): Call readonly_error, not readonly_warning.
        (c_expand_asm_operands): Likewise.
        * tree-inline.c (optimize_inline_calls): Do not inline functions
        after errors have occurred.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Rearrange some threading code for clarity;
        add section comment.
        * configure: Regenerate.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c, config/frv/frv.c, config/sh/sh.c: Fix comment
        typos.
        * doc/cppopts.texi: Fix a typo.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Fix formatting.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add some comments delineating sections of code.

        * doc/install.texi: Note that libada uses autoconf 2.57 also.

        * doc/install.texi: Fix idiot typo in previous commit.

        * doc/install.texi: Update for conversion of intl to autoconf 2.57.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak operand numbers of some
        peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak comments about peephole2's.

2004-02-29  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        PR middle-end/14203
        * function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
        instead of testing whether DECL_RTL is not NULL.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Fix formatting.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Convert to ISO-C.

2004-02-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (tagged_types_tu_compatible_p): Fix pasto in
        my previous patch.

        * config/darwin.h (machopic_finish): Output stub even if the
        symbol is already defined.

2004-02-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Fix linking under HP-UX 11.00 with -p and -pg.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genattr.c (main): Don't define
        TRADITIONAL_PIPELINE_INTERFACE or DFA_PIPELINE_INTERFACE.
        * system.h (TRADITIONAL_PIPELINE_INTERFACE): Poison.
        (DFA_PIPELINE_INTERFACE): Likewise.
        * doc/tm.texi (TRADITIONAL_PIPELINE_INTERFACE): Remove.
        (DFA_PIPELINE_INTERFACE): Likewise.

2004-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (tstsi, tstdi): Delete.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (override_options): Remove an obsolete
        duplicate definition of the "e" constraint.
        * config/mips/mips.h: Update a comment accordingly.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.md: Complete the unfinished R4000
        multiply/shift errata workaround.  Improve documentation.
        (hazard): Use TARGET_FIX_R4000 to decide whether an "imul" instruction
        has a hilo hazard.
        (mulsi3, mulsi3_internal, mulsi3_r4000): Use TARGET_FIX_R4000.
        (muldi3, muldi3_internal): Likewise.
        (muldi3_internal2): Remove, replacing with...
        (muldi3_mult3, muldi3_r4000): ...these new patterns.
        (mulsidi3): Take the errata into account.
        (mulsidi3_32bit): Remove, replacing with...
        (mulsidi3_32bit_internal, mulsidi3_32bit_r4000): ...these new patterns.
        (mulsidi3_64bit, mulsidi3_64bit_parts): Disable if TARGET_FIX_R4000.
        (umulsidi3): Take the errata into account.
        (umulsidi3_32bit): Remove, replacing with..
        (umulsidi3_32bit_internal, umulsidi3_32bit_r4000): ...these patterns.
        (umulsi3_highpart, umulsi3_highpart_internal): Disable if
        TARGET_FIX_R4000.
        (smulsi3_highpart, smulsi3_highpart_internal): Likewise.
        (smuldi3_highpart, umuldi3_highpart): Likewise.
        * doc/invoke.texi: Document the errata workaround.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips-protos.h (mips_idiv_insns): Declare.
        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4000, TARGET_FIX_R4000): New macros.
        (TARGET_SWITCHES): Add -mfix-r4000 and -mno-fix-r4000.
        * config/mips/mips.c (mips_idiv_insns): New function.
        (override_options): Make -march=r4000 imply -mfix-r4000 by default.
        (mips_output_division): Add a workaround for the R4000 divide/shift
        errata.
        * config/mips/mips.md (length): Use mips_idiv_insns() to calculate
        the length of an "idiv" instruction.
        * doc/invoke.texi: Document the new switches.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (IS_COSTLY_DEPENDENCE): Change to
        TARGET_SCHED_IS_COSTLY_DEPENDENCE.

2004-02-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/14229
        * cfgrtl.c (rtl_tidy_fallthru_edge): Do not fail for !onlyjump jump.

2004-02-28  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Strip NOPs that change the signedness
        for RSHIFT too.  Expand comment.

2004-02-27  Ian Lance Taylor  <ian@wasabisystems.com>

        PR optimization/7871
        * flow.c (mark_set_1): Don't add LOG_LINKS for global registers
        from or to call insns.

2004-02-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/7871
        * flow.c (propagate_one_insn): Interpret calls as setting global
        registers, not merely clobbering them.

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * config/darwin.c (machopic_output_possible_stub_label):  Remove.
        config/darwin-protos.h:  Ditto.
        config/darwin.h:  Remove call to it.
        * combine.c (distribute_notes): Do not place a REG_DEAD note
        when value is both set and used.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-02-27  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p) <ENUMERAL_TYPE>:
        Speedup common case of the type values being in the same order.

2004-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (no-inline-float-divide): New option.
        * config/ia64/ia64.h (no-inline-int-divide): New option.
        * config/ia64/ia64.h (no-inline-sqrt): New option.
        (TARGET_DEFAULT): Add MASK_INLINE_FLOAT_DIV_THR to define.
        * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
        * config/ia64/ia64.c (ia64_override_options): Modify error
        checking for inlined division/sqrt.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, cfgbuild.c, diagnostic.c, explow.c, profile.c,
        ra-build.c, read-rtl.c, tracer.c, unwind-dw2-fde-glibc.c,
        value-prof.c, config/darwin-protos.h, config/frv/frv-abi.h,
        config/i386/pmmintrin.h, config/pa/pa-hpux.h: Update
        copyright.

2004-02-27  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Don't count pretend args for alignment.

2004-02-27  Richard Henderson  <rth@redhat.com>

        * passes.c: New file.
        * Makefile.in (OBJS-common): Add it.
        * diagnostic.c (rtl_dump_and_exit): Move decl ...
        * flags.h (rtl_dump_and_exit): ... here.
        * output.h (size_directive_output, last_assemble_variable_decl):
        Move from toplev.c.
        * rtl.h (reg_alloc): Move from toplev.c.
        * toplev.c (HAVE_conditional_execution, DUMPFILE_FORMAT,
        struct dump_file_info, enum dump_file_index, dump_file_tbl,
        open_dump_file, close_dump_file, rest_of_decl_compilation,
        rest_of_type_compilation, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_new_regalloc, rest_of_handle_old_regalloc,
        rest_of_handle_regrename, rest_of_handle_reorder_blocks,
        rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_web,
        rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_addressof, rest_of_handle_sibling_calls,
        rest_of_handle_jump_bypass, rest_of_handle_inlining,
        rest_of_handle_null_pointer, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_compilation): Move to passes.c.
        (decode_d_option): Use enable_rtl_dump_file.
        (compile_file, finalize, do_compile): Move profile+combine+graph
        cleanup to finish_optimization_passes.
        * toplev.h (init_optimization_passes, finish_optimization_passes,
        enable_rtl_dump_file): Declare.

2004-02-27  Eric Botcazou  <ebotcazou@act-europe.fr>
            Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold): Revert 2004-02-25 change.  Use the original
        operands to build a tree with swapped operands.
        * expr.c (expand_expr_real) <MAX_EXPR>: Consistently use the
        'unsignedp' predicate to specify the signedness.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
        expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
        params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
        comment typos and formatting.  Follow spelling conventions.

2004-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Add fixuns_truncsfsi2 and
        fix_truncsfsi2.

        * config/rs6000/spe.md: Delete spe_efsctuiz.
        Add spe_fixuns_truncsfsi2.
        Add spe_fix_truncsfsi2.

2004-02-26  Eric Christopher  <echristo@redhat.com>

        * c-lex.c (c_lex_string_translate): New variable.
        (lex_string): Use to determine string translation.
        * c-pragma.h: Prototype.
        * c-parse.in (start_string_translation): New. Set above.
        (stop_string_translation): Ditto.
        (attribute, attribute_list, asm_def, asm_stmt,
        asm_operand): Use above functions.
        * cp/parser.c (cp_parser_declaration): Translate strings
        unless token is RID_EXTERN. Set c_lex_string_translate
        for recursive use.
        (cp_parser_asm_definition): Only translate argument strings
        to asms.
        (cp_parser_asm_operand_list): Ditto.
        (cp_parser_attribute_list): Do not translate attribute strings.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (apply_args_register_offset): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stor-layout.c (is_pending_size): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c (validate_replace_src): Remove.
        * recog.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or
        MAYBE_REG_PARM_STACK_SPACE.
        * function.c: Likewise.
        * system.h (FINAL_REG_PARM_STACK_SPACE): Poison.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.
        * doc/tm.texi (FINAL_REG_PARM_STACK_SPACE): Remove.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c (c_expand_deferred_function): Remove.
        * c-tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * postreload.c (reload_cse_move2add): Generate just a PLUS
        instead of an entire SET.

2004-02-26  Jan Hubicka  <jh@suse.cz>

        * config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m
        /pentium4m.
        * i386.c (override_options): Add support for new CPUs.
        * i386.h (TARGET_CPU_DEFAULT_NAMES): New names.
        (TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_pentium4e): New
        constants.
        * invoke.texi: Extend documentation of -mtune/-march for new CPUs.

2004-02-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define __xtensa__.

2004-02-26  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc-protos.h (sparc_emit_floatunsdi): Add 'mode'.
        (sparc_emit_fixunsdi): New prototype.
        * config/sparc/sparc.c (sparc_emit_floatunsdi): Use 'mode' argument.
        (sparc_emit_fixunsdi): New function.
        * config/sparc/sparc.md (floatunsdisf2): Use 'general_operand' for
        operand 1.  Pass SFmode to sparc_emit_floatunsdi.
        (floatunsdidf2): Use 'general_operand' for operand 1.  Pass DFmode
        to sparc_emit_floatunsdi.
        (fixuns_truncsfdi2): New expander.
        (fixuns_truncdfdi2): Likewise.

2004-02-26  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
        unless HAVE_cc0.

2004-02-25  Richard Henderson  <rth@redhat.com>

        * explow.c (force_reg): Call mark_reg_pointer as appropriate.
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't
        use (op0-op1) == 0 if op0 is a pointer.
        * config/alpha/alpha.md (cmpdi): Use some_operand.
        (three comparison combine splits): Remove.

2004-02-25  Richard Henderson  <rth@redhat.com>

        PR c/12794
        * c-common.c (handle_alias_attribute): Reject the attribute if
        current_function_decl is set.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * config.gcc: Add comment describing extra_gcc_objs.
        i[34567]86-*-cygwin*): Replace host_extra_gcc_objs with extra_gcc_objs.
        * configure.ac (extra_gcc_objs): New substitution variable.
        (host_extra_gcc_objs): Don't substitute.
        * configure: Regenerate.
        * Makefile.in: Use extra_gcc_objs.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/contrib.texi: Add an entry for myself.

2004-02-25  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (make_eh_edge, break_superblocks): Declare.
        * cfgbuild.c (make_eh_edge):  Make global.
        * cfglayout.c (break_superblocks): Likewise; fix memory leak.
        * except.c (build_post_landing_pads, connect_post_landing_pads,
        dw2_build_landing_pads, sjlj_emit_function_enter,
        sjlj_emit_function_exit, sjlj_emit_dispatch_table,
        sjlj_build_landing_pads): Update CFG.
        (emit_to_new_bb_before): New function.
        (finish_eh_generation): Do not rebuild the CFG.

2004-02-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa*-*-*, parisc*-*-*): Add MASK_BIG_SWITCH to all
        target_cpu_default defines.
        * pa-hpux.h (TARGET_DEFAULT): Add MASK_BIG_SWITCH to define.
        * pa.h (TARGET_DEFAULT): Likewise.

2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
        comparisons with regard to signedness.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimize_address): New function.
        * arm-protos.h: Prototype it.
        * arm.h (THUMB_LEGITIMIZE_ADDRESS): Define.
        (LEGITIMIZE_ADDRESS): Use it.

2004-02-25  J"orn Rennecke <joern.rennecke@superh.com>

        * reload1.c (reload): Only spill eliminable register with multiple
        adjacent elimination alternatives if all alternatives fail.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_index_p): For QImode the range of an offset
        is -4095...+4095 inclusive.

2004-02-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2* specific notes): Document
        the bootstrap failure with Sun CC 5.4 and 5.5.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_change_cc_mode_insns): Stop at any instruction
        which modifies NEWREG.
        (cse_condition_code_reg): Update the mode of CC_REG in
        CC_SRC_INSN on our own.

2004-02-24  Michael Matz  <matz@suse.de>

        * config/i386/i386.c (ix86_comp_type_attributes): Check for
        regparm attributes.

2004-02-24  Richard Henderson  <rth@redhat.com>

        * toplev.c (dump_file_tbl): Rename from dump_file.
        * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
        cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
        config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
        config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
        loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
        ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
        toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
        s/rtl_dump_file/dump_file/g.

2004-02-24  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fix_truncsfsi2): Delete.
        (spe_fixuns_truncsfsi2): Delete.

        * config/rs6000/rs6000.md (fix_truncsfsi2): Delete.
        (fixuns_truncsfsi2): Delete.

2004-02-24  Josef Zlomek  <zlomekj@suse.cz>

        PR/14240
        * rtlanal.c (replace_label): Fix replacing labels in constant pool.

2004-02-24  Geoffrey Keating  <geoffk@apple.com>

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

2004-02-24  Jason Merrill  <jason@redhat.com>

        * tree.c (check_qualified_type): New fn.
        (get_qualified_type): Use it.  If type already has the desired
        quals, just return it.
        * tree.h: Declare it.

2004-02-24  Sanjiv Kumar Gupta  <sanjivg@noida.hcltech.com>

        * target-def.h (TARGET_SCHED_INIT_GLOBAL,
        TARGET_SCHED_FINISH_GLOBAL): New macros.

        * target.h (md_init_global, md_finish_global): Function
        declarations corresponding to new target macros.

        * haifa-sched.c (sched_init, sched_finish): Allow target to
        call the new schedular hooks.

        * flow.c (recompute_reg_usage): Add PROP_DEATH_NOTES flag in
        call to update_life_info.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Re-enable
        flag_schedule_insns for SH4.

        * config/sh/sh.c (sh_md_init_global, sh_md_finish_global,
        find_set_regmode_weight, find_insn_regmode_weight,
        find_regmode_weight), sh_md_init, sh_dfa_new_cycle,
        sh_variable_issue, high_pressure, ready_reorder,
        rank_for_reorder, swap_reorder, sh_reorder, sh_reorder2): New
        functions used to throttle the insn movement in first
        scheduling pass for SH.

        * gcc/doc/tm.texi: Document TARGET_SCHED_INIT_GLOBAL and
        TARGET_SCHED_FINISH_GLOBAL.

2004-02-24  Alexandre Oliva  <aoliva@redhat.com>

        Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux.
        2004-02-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
        symbols in sections named by the user.
        2004-01-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
        2004-01-27  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc (frv-*-*linux*): Handle like *-*-linux*.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
        the above.
        2004-01-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
        one more pseudo to further improve code generation.
        2004-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (movdi_ldd): Introduce explicit indirection
        inside UNSPEC.
        2004-01-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_legitimate_address_p): Added
        allow_double_reg_p argument.  Adjust all callers.  Use it to
        decide whether to enable double-register indirect addressing.
        (frv_funcdesc_alias_set): Remove.
        (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
        register.  Emit movdi_ldd.
        (ldd_address_operand): New.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
        (PREDICATE_CODES): Add ldd_address_operand.
        * config/frv/frv.md (movdi_ldd): New.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
        intermediate computations if possible.
        (symGOTOFF2reg_i): Fix harmless typo.
        2003-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
        relocated p_vaddr to vaddr type.
        * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
        * config/frv/frv.c (frv_get_funcdesc_alias_set): New.
        (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
        MEM, or use a funcdesc alias set.  Use regular move instead of
        ldd.
        (dbl_memory_one_insn_operand): Recognize function descriptors by
        type or by alias set, and don't split them.
        * config/frv/frv.md (call, call_value): Never use call_internal
        for fdpic.
        (call_internal, call_value_internal): Never match for FDPIC.
        (call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
        call_value_fdpicsi): Require FDPIC.
        (ldd): Removed.
        2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
        * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
        (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
        FDPIC.  Compute data base address.
        * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
        before the other self-specs are processed.
        * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
        Build with -fPIC.
        2003-12-15  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
        inhibit_libc is defined.
        2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
        __FRV_FDPIC__.
        (__RELOC_POINTER): Define.
        (_Unwind_IteratePhdrCallback): Use it.
        * config/frv/frv.h (Twrite): Define.
        (TRANSFER_FROM_TRAMPOLINE): Use it.
        * config/frv/linux.h (INVOKE__main): Undefine.
        (Twrite): Override.
        2003-12-05  Richard Sandiford  <rsandifo@redhat.com>
        * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
        (-mlibrary-pic): Emphasize that this option generates EABI code.
        (-mcpu): Add fr550.
        (-mpack): Remove.
        2003-11-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
        and CONSTs in FDPIC mode.
        * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.c (move_source_operand): Don't accept symbolic
        constants.
        * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
        rather than 'i' constraint for the 2-instruction alternative.
        (*movsi_2word): New, incorporating existing int_2word_operand splitter.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
        EXTRA_CONSTRAINT_FOR_Y.
        (EXTRA_CONSTRAINT): Remove handling of 'Y'.
        * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
        (addsi3): Change 'Y' constraint to 'Q'.
        2003-11-27  Richard Sandiford  <rsandifo@redhat.com>
        * reload.c (CONST_POOL_OK_P): New macro.
        (find_reloads): Use it to decide whether a constant can be forced
        into memory.
        * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
        constant satisfies got12_operand.
        (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
        (frv_legitimate_address_p): Check for valid unspec offsets using
        got12_operand rather than frv_legitimate_fdpic_operand_p.
        (frv_legitimate_fdpic_operand_p): Delete.
        (frv_emit_movsi): Abort if we try to use the FDPIC register during
        or after reload.
        (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
        TARGET_FDPIC.
        * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
        2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
        (frv_fdpic_fptr_operand): Don't declare here.
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
        rather than fdpic_got12_operand.
        (PREDICATE_CODES): Remove symbolic_operand entry.  Add entries for
        got12_operand and const_unspec_operand.
        * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
        (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
        (symbolic_operand): Remove.
        (const_unspec_operand): New predicate.
        * config/frv/frv.md (*movsi_got): Use got12_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
        2003-11-18  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
        * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
        * config/frv/frv.c (frv_unspec): New structure.
        (frv_small_data_reloc_p, frv_const_unspec_p): New functions.
        (frv_print_operand_memory_reference): Use frv_const_unspec_p to
        validate CONST indices.  Use frv_output_const_unspec to print them.
        (frv_print_operand): Update call to unspec_got_name.  Use
        frv_output_const_unspec to print constant unspecs.
        (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
        Reject UNSPECs otherwise.
        (unspec_got_name): Take the relocation number as argument, not an
        rtx containing it.
        (frv_output_addr_const_extra): Remove, replacing with...
        (frv_output_const_unspec): ...this new function.
        (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
        (gpr_or_int12_operand): Use fdpic_got12_operand.
        (dbl_memory_one_insn_operand): Likewise.
        (fdpic_got12_operand): Use frv_const_unspec_p.
        (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
        are already legitimate.  Use frv_small_data_reloc_p when deciding
        whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
        2003-11-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
        * config/frv/libgcc-frv.ver: ... frv-specific symbols.  New file.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label, for real this time.
        * config/frv/frv.c (frv_local_funcdesc_p): Update to new
        representation of visibility.
        (fdpic_got12_operand, symbolic_operand): Mark unused arguments as
        such.
        2003-11-17  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
        (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
        * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
        it was explicitly disabled.
        (frv_stack_info): There is no need to save the link register in every
        frame unless TARGET_LINKED_FP is true.
        (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
        frame pointer if the stack pointer might change value.
        (frv_return_addr_rtx): Check and process "count" argument.
        2003-11-14  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_legitimize_address): Remove.
        (frv_find_base_term): Declare.
        * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
        (FIND_BASE_TERM): Define.
        (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
        small_data_register_operand, small_data_symbolic_operand.  Add
        symbolic_operand.
        * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
        (frv_print_operand_memory_reference, output_move_single): Remove
        special handling for unlegitimized sdata addresses.
        (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
        and symbolic addresses.
        (frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
        (frv_find_base_term): New function.
        (int_2word_operand): Check specifically for symbolic address constants.
        (pic_register_operand, pic_symbolic_operand): Delete.
        (small_data_register_operand, small_data_symbolic_operand): Delete.
        (dbl_memory_one_insn_operand): Don't call plus_small_data_p.
        Allow UNSPEC_GOT constants if !TARGET_FDPIC.
        (move_source_operand): Only accept CONSTs if they're a two-insn
        symbolic constant.
        (fdpic_got12_operand): Don't require TARGET_FDPIC.
        (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
        using gen_symGOTOFF2reg*.
        (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
        (frv_rtx_costs): Give all MEM addresses a cost of 0.  Give MEMs
        themselves a cost of 3 insns.
        * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
        Change predicate to symbolic_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Likewise.
        (*movsi_lda_sdata): Delete.
        (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
        2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
        frv-*-*linux*.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
        -multilib-library-pic.
        (LINK_SPEC): Add -z text for -mfdpic.
        * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
        * config/frv/frvend.c (__ROFIXUP_END__): Likewise.
        * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
        Override.
        (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
        FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
        crtstuff-generated files.
        2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add frv-*-*linux*.
        * config/frv/linux.h, config/frv/t-linux: New.
        2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
        when -mfdpic even if a linker script is explicitly listed.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_override_options): Clear asm_out
        unaligned_op for SImode on FDPIC.
        (frv_emit_movsi): Use compute_reloc_for_constant to compute the
        argument passed to decl_readonly_section.
        (frv_assemble_integer): Revert 2003-09-30's change, but make the
        whole block run with FDPIC even with -fno-PIC.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_cannot_force_const_mem): Don't force
        symbol or label plus offset to memory.
        (frv_emit_movsi): Emit GPREL only if -mgprel-ro.  Emit 32-bit
        GOTOFF and GPREL for LABEL_REF.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
        -mfdpic unless -mno-gprel-ro, -fpic or -fpie.
        (MASK_GPREL_RO, TARGET_GPREL_RO): New.
        (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
        * doc/invoke.texi: Document them.
        2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
        (frv_splittable_got_operand): Removed.
        * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
        LO_SUM.  Add comments.
        (frv_override_options): Moved enabling of FDPIC to
        DRIVER_SELF_SPECS.  Don't enable MASK_DWORD.
        (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
        (frv_legitimize_fdpic_address): Don't duplicate logic in
        frv_emit_movsi.
        (frv_gen_GPsym2reg): New.
        (unspec_got_name): Added gprel.
        (frv_expand_fdpic_call): Add support for inlining PLTs.
        (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
        (gpr_or_int12_operand): Added GPREL12.
        (pic_symbolic_operand): Match even if !flag_pic for FDPIC.
        (small_data_symbolic_operand): Fail if FDPIC.
        (fdpic_splittable_got_operand): Removed.
        (fdpic_got12_operand): Added GPREL12.
        (frv_emit_movsi): Reorganize to avoid duplication.  Emit GPREL
        when appropriate.  Fix sdata GOTOFF.
        (frv_legitimate_constant_p): Require legitimate PIC operand for
        FDPIC with pic, but only a legitimate fdpic operand for non-pic.
        (frv_assemble_integer): Move FDPIC funcdesc handling out of
        flag_pic case.
        (frv_asm_out_constructor, frv_asm_out_destructor): Abort if
        frv_assemble_integer fails.
        * config/frv/frv.h (DRIVER_SELF_SPECS): New.
        (SUBTARGET_DRIVER_SELF_SPECS): New.
        (ASM_SPEC): Don't pass -mno-fdpic.
        (LINK_SPEC): Pass -melf32frvfd for FDPIC.
        (MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
        (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
        -multilib-library-pic.
        (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
        condexec_si_media_operator, condexec_sf_add_operator and
        condexec_sf_conv_operator.  Removed condexec_sf_binary_operator
        and condexec_sf_unary_operator.
        * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
        New.
        (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
        movsi_internal.  Give them internal names.  movsi_got has type
        int.
        (fdpic got splitters): Remove.
        (symGPREL2reg, symGPREL2reg_hilo): New.
        * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
        to -mlibrary-pic.  Map -multilib-library-pic to it.
        * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
        Document.
        2003-09-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define to...
        (frv_cannot_force_const_mem): New function.
        (const_small_data_p, plus_small_data_p): Update comments on sdata
        on FDPIC.
        (frv_override_options): Set flag_pie for FDPIC too.
        (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
        call-saved registers on FDPIC.
        (frv_stack_info): Don't preserve the PIC register on FDPIC, and
        don't force LR to be preserved.
        (frv_expand_prologue): Likewise.
        (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
        (frv_frame_pointer_required): Don't force it just because the
        FDPIC register is used.
        (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
        operand only if !condexec_p.
        (frv_legitimize_address): Return the FDPIC-legitimized address.
        Don't match small data here on FDPIC.
        (frv_legitimate_fdpic_operand_p): Don't accept unadorned function
        symbols.  Use TRUE/FALSE instead of 1/0.
        (frv_local_funcdesc_p): New.
        (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
        immediates when possible.
        (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
        (dbl_memory_one_insn_operand): Accept addresses that add a REG and
        an UNSPEC_GOT.
        (frv_emit_movsi): Handle FDPIC before small data.  Use GOTOFF and
        12-bit immediates when possible.
        (frv_legitimate_constant_p): In FDPIC, reject SImode operands that
        are not legitimate pic operands.
        (frv_in_small_data_p): Re-enable for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
        (FRV_GLOBAL_P): Removed.
        * config/frv/frv.md: Add modes to CONSTs.
        (movsi_got): New.
        (movsi_lo_sum_got): Use separate matches instead of match_dup.
        (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
        (fdpic splittable operations): Match on flag_pic != 1.
        2003-09-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_asm_out_constructor,
        frv_asm_out_destructor): Pass to frv_assemble_integer the size in
        bytes, not bits.
        2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_assemble_integer): Reject complex
        expressions referencing function SYMBOL_REFs.
        * config/frv/frv.c (frv_function_symbol_referenced_p): New.
        (move_source_operand): Reject CONSTs that reference function
        SYMBOL_REFs on FDPIC.
        (frv_emit_movsi): If we get such a CONST, break it up.
        * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
        (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
        * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
        MEM.
        (frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
        (frv_trampoline_size): Increase for FDPIC.
        * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
        (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
        * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
        Disable use of GOTOFF for now.
        (const_small_data_p, plus_small_data_p, frv_in_small_data_p):
        Disable use of small data in FDPIC for now.
        (frv_asm_output_mi_thunk): Implement for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
        * config/frv/frv.c (frv_asm_out_constructor): Use
        frv_assemble_integer for FDPIC pointers.
        (frv_asm_out_destructor): Likewise.
        * config/frv/frv.md (ldd): Fix order of operands.  Use
        address_operand for input.
        2003-09-18  DJ Delorie  <dj@redhat.com>
        * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
        (unspec_got_name): Correct typo.
        (frv_emit_movsi): Pre-expand splittable GOTs.
        (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
        * config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
        * config/frv/t-frv: Add -mfdpic multilibs.
        * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
        (TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
        * config/frv/frv.c (frv_override_options): -mfdpic assumes
        flag_pic, default to 32-bit pics, require DWORD ops.
        (frv_override_options): Add W and Z constraints.
        (frv_expand_prologue): No pic prologue for -mfdpic.
        (frv_asm_output_mi_thunk): Support -mfdpic (soon).
        (frv_print_operand_memory_reference): Handle GOT constants.
        (frv_legitimate_address_p): Allow GOT constants.
        (frv_legitimize_address): Handle GOT addresses too.
        (frv_legitimate_fdpic_operand_p): New.
        (frv_legitimize_fdpic_address): New.
        (unspec_got_name): New.
        (frv_output_addr_const_extra): New.
        (frv_expand_fdpic_call): New.
        (frv_fdpic_fptr_operand): New.
        (gpr_or_int12_operand): Handle GOT operands.
        (int_2word_operand): Handle GOT operands.
        (fdpic_operand): New.
        (fdpic_splittable_got_operand): New.
        (fdpic_got12_operand): New.
        (frv_emit_movsi): Handle GOT operands.
        (frv_assemble_integer): -mfdpic doesn't use rofixups.
        (frv_print_operand): Support 'g' code for GOT operands.
        * config/frv/frv-protos.h: Add prototypes as needed.
        * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
        R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
        R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
        R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
        R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
        R_FRV_GOTOFFLO): New.
        (movsi_high_got, movsi_lo_sum_got): New.
        (*movsi_pic): Don't use this splitter for -mfdpic.
        (addsi3): Allow GOT references also.
        (call, call_value): Handle -mfdpic separately.
        (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
        call_value_fdpicsi): New.
        (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
        symGOTOFF2reg_i): New.
        * config/frv/frv.h (MASK_FDPIC): New.
        (TARGET_FDPIC): New.
        (TARGET_SWITCHES): Add -mfdpic.
        (FDPIC_FPTR_REGNO): New.
        (FDPIC_REGNO): New.
        (OUR_FDPIC_REG): New.
        (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
        FDPIC_CALL_REGS.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
        (EXTRA_CONSTRAINT): Add it here.
        (FRV_GLOBAL_P): New.
        (OUTPUT_ADDR_CONST_EXTRA): New.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sparc/sparc.h: Remove commented-out definitions of
        TARGET_EDOM and GEN_ERRNO_RTX.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * df.c, df.h, ra-build.c, ra-rewrite.c, ra.c, web.c: Replace
        df_analyse with df_analyze.

2004-02-24  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Set stop_insn to end, not
        beginning of block.

2004-02-23  James E Wilson  <wilson@specifixinc.com>

        * calls.c (precompute_arguments): Update comment.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * et-forest.c: Replace et_occurences with et_occurrences.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, loop-iv.c, loop-unswitch.c: Replace iv_analyse
        with iv_analyze.

2004-02-23  Kelley Cook  <kcook@gcc.gnu.org>

        * config/i386/i386.c: Rename pni to sse3.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * doc/extend.texi: Likewise.
        * doc/invoke.texi: Likewise.

2004-02-23  Zack Weinberg  <zack@codesourcery.com>
            Kazu Hirata  <kazu@cs.umass.edu>

        Remove -fwritable-strings.
        * c-common.c (fix_string_type): Don't check
        flag_writable_strings.
        (fix_string_type): Likewise.
        * c-opts.c (set_std_c89): Don't initialize
        flag_writable_strings.
        (set_std_c99): Likewise.
        * common.opt (fwritable-strings): Remove.
        * flags.h: Remove the external declaration of
        flag_writable_strings.
        * opts.c (common_handle_option) <OPT_fwritable_strings>:
        Remove.
        * toplev.c (flag_writable_strings): Remove.
        (f_options): Remove an entry for writable-strings.
        * varasm.c (const_hash_1) <STRING_CST>: Don't check
        flag_writable_strings.
        (compare_constant) <STRING_CST>: Likewise.
        (build_constant_desc): Likewise.
        * config/darwin.c (machopic_select_section): Likewise.
        * config/arm/arm.c (AOF_ASSEMBLER): Likewise.
        * config/arm/pe.c (arm_pe_encode_section_info): Likewise.
        * config/iq2000/iq2000.c (iq2000_select_section): Likewise.
        * config/mips/mips.c (mips_select_section): Likewise.
        (mips_encode_section_info): Likewise.
        * config/pa/pa.c (pa_select_section): Likewise.
        * config/pa/pa.h (TEXT_SPACE_P): Likewise.
        * config/v850/v850.c (v850_select_section): Likewise.
        * doc/invoke.texi (-fwritable-strings): Remove.
        (-fno-const-strings): Don't mention -fwritable-strings.
        * doc/trouble.texi: Don't mention -fwritable-strings.

2004-02-23  Nathanael Nerode  <neroden@gcc.gnu.org>

        * doc/install.texi: Update for switch of boehm-gc to autoconf 2.57.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Add POWER form of nop.
        (movdf_hardfloat64):  Ditto.
        (movdf_softfloat64):  Ditto.

2004-02-23  Fariborz Jahanian <fjahanian@apple.com>
        * config/rs6000/rs6000.c (function_arg): call to
        rs6000_mixed_function_arg for DFmode moved to allow
        normal DFmode incoming register assignment.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Accept CTR-to-CTR copy.
        (movdf_hardfloat64):  Ditto.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * convert.c, gcov-io.c, libgcov.c, sched-int.h, sibcall.c,
        config/rs6000/linux.h, config/rs6000/rs6000-c.c: Update
        copyright.

2004-02-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/14156
        * c-typeck.c (c_expand_return): Change check for VAR_DECL
        to use DECL_P instead.

        * config/rs6000/linux.h (OS_MISSING_POWERPC64): Define.
        * config/rs6000/linux64.h (OS_MISSING_POWERPC64): Define.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * Makefile.in (opts.o): Depend on target.h.
        * opts.c (decode_options): Use targetm.default_short_enums
        instead of DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * target-def.h (TARGET_DEFAULT_SHORT_ENUMS): New.
        (TARGET_INITIALIZER): Add TARGET_DEFAULT_SHORT_ENUMS.
        * target.h (gcc_target): Add default_short_enums.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Change to
        TARGET_DEFAULT_SHORT_ENUMS.  Update the description.

2004-02-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Falk Hueffner  <falk@debian.org>

        PR c/14188
        * builtins.c (expand_builtin_va_arg): Emit an informative message
        if a trap is generated.
        * c-typeck.c (build_function_call): Likewise.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * gcov-io.c (gcov_open) [GCOV_LOCKED]: Use open + fdopen instead of
        fopen.
        * libgcov.c: Include sys/stat.h.
        * config/rs6000/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/rs6000/linux64.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux64.h (TARGET_HAS_F_SETLKW): Define.

2004-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        * reorg.c: Remove comments about dead ports.

2004-02-22  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): *Really* specify
        extra host object file when targetting cygwin rather than generic
        object files.

2004-02-22  Josef Zlomek  <zlomekj@suse.cz>

        Merge from tree-ssa:
        2003-11-20  Richard Henderson  <rth@redhat.com>

                * tree-inline.c (insert_decl_map): New.
                (remap_decl, remap_type, remap_block, copy_body_r,
                initialize_inlined_parameters, declare_return_variable,
                remap_save_expr): Use it.

        * function.c (copy_body_r): Add mapping from id->ret_label to
        id->ret_label.  Revert test for ret_label.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * genoutput.c (process_template): Strip trailing whitespace in @
        templates and issue a warning if there was any.

2004-02-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): Specify extra host
        object file when targetting cygwin.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Remove definition since it is
        overridden by top-level Makefile.

2004-02-21  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (standard_80387_constant_p): Also prefer
        the x87's load constant instructions when optimizing for size.

2004-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (SHIFT_COUNT_TRUNCATED): Remove.
        * defaults.h (SHIFT_COUNT_TRUNCATED): Provide the default.
        * expmed.c: Assume SHIFT_COUNT_TRUNCATED is always defined.
        * fold-const.c: Likewise.
        * simplify-rtx.c: Likewise.

2004-02-21  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (can_combine_p): Don't ignore SETs marked with
        REG_EH_REGION notes.
        (try_combine): When attemting to fix unrecognized insns, don't
        split a PARALLEL that contains the original i2.

2004-02-21  Ziemowit Laski  <zlaski@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Refer to
        SUBTARGET_OPTION_TRANSLATE_TABLE for architecture-specific options.
        * config/i386/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Define it.
        * config/rs6000/altivec.h: #error out if '-maltivec' not specified.
        (vector, pixel, bool): #define to __vector, __pixel and __bool.
        (__un_args_eq, __bin_args_eq, __tern_args_eq): Move to C-specific
        portion of header.
        (__altivec_link_error_invalid_argument): Remove prototype; will use
        __builtin_altivec_compiletime_error("vec_*") instead.
        (vec_*): Fix/complete set of available operation overloads given the
        existence of distinct 'vector bool ...' and 'vector pixel' types; tighten
        cv-correctness of pointer arguments; in C, always check for correct
        argument types before macro expansion.
        * config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): New macro
        defining Darwin/PowerPC-specific '-f[no-]altivec' and
        '-W[no-]altivec-long-deprecated' switches.
        * config/rs6000/rs6000-c (rs6000_cpu_cpp_builtins): Pre-define
        '__vector', '__pixel' and '__bool' macros using
        '__attribute__((altivec(...)))' types.
        * config/rs6000/rs6000.c (bool_char_type_node, bool_short_type_node,
        bool_int_type_node, pixel_type_node, bool_V16QI_type_node,
        bool_V8HI_type_node, bool_V4SI_type_node, pixel_V8HI_type_node):
        New type nodes.
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): New, for
        handling '-W[no-]altivec-long-deprecated'.
        (rs6000_override_options): Handle '-W[no-]altivec-long-deprecated'.
        (rs6000_expand_binop_builtin, rs6000_expand_ternop_builtin,
        altivec_expand_dst_builtin): Remove casts from integer literals.
        (altivec_expand_builtin): Likewise; handle expansion of new
        '__builtin_altivec_compiletime_error' function.
        (rs6000_init_builtins): Initialize 'vector bool ...' and 'vector pixel'
        types, and make them distinct from other vector types; register
        '__builtin_altivec_compiletime_error' function.
        (print_operand): For 'P', print a full target register name instead of
        merely its number.
        (rs6000_attribute_table): Add "altivec" attribute.
        (rs6000_handle_altivec_attribute): New function.
        * config/rs6000/rs6000.h (TARGET_OPTIONS): Describe
        '-m[no-]-warn-altivec-long' (which '-W[no-]altivec-long-deprecated'
        maps to).
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): Forward
        declare.
        (ALTIVEC_BUILTIN_COMPILETIME_ERROR): New built-in enumeration.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.md (shift_mix4left+1): Delete reload_completed
        check.
        (shift_mix4left+2): Delete redundant pattern.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c (OUTGOING_REGNO): Don't define the default.
        * builtins.c (OUTGOING_REGNO): Likewise.
        (INCOMING_REGNO): Likewise.
        (apply_args_register_offset): Always use OUTGOING_REGNO.
        * combine.c (OUTGOING_REGNO): Likewise.
        * sibcall.c (OUTGOING_REGNO): Likewise.
        * defaults.h (INCOMING_REGNO): Provide the default.
        (OUTGOING_REGNO): Likewise.

2004-02-21  Jan Hubicka  <jh@suse.cz>

        * params.def (max-peeled-insns, max-completely-peeled-insns,
        max-once-peeled-insns): Set to 400.

2004-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c++/12007
        * dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
        are set for parameters before outputing debugging information.

2004-02-20  Falk Hueffner  <falk@debian.org>

        PR target/14201
        * config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
        numbers.

2004-02-20  Per Bothner  <per@bothner.com>

        * input.h:  Don't #include line-map.h.  It may cause link problems
        with undefined linemap_line_start when line-map.h is included but
        line-map.o is not linked, as currently happens with gengtype on
        compilers that don't support inline.
        * toplev.c:  So we do have to explicitly #include line-map.h here.

2004-02-20  Richard Henderson  <rth@redhat.com>

        * doc/invoke.texi: Add -Wvariadic-macros.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * haifa-sched.c (sched_emit_insn): Remove.
        * sched-int.h: Remove the corresponding prototype.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        Revert:
        2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-20  Mohan Embar  <gnustuff@thisiscool.com>
            Tom Tromey  <tromey@redhat.com>

        * doc/install.texi: Moved --disable-libgcj and
        --with-system-zlib documentation to new section for
        Java-specific options.
        Added explicit Cross-Compiler-Specific Options subheading.
        Added section for Java-specific options.

2004-02-20  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi (Building the Ada compiler): Remove
        example.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * toplev.c (dump_file_index, dump_file): Put ce3 before rnreg.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Allow translation of the copyright
        symbol but not the rest of the copyright message.
        * gcov.c (print_version): Likewise.  Allow translation of the
        message about warranty.

2004-02-20  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("*andsi_movu"): Correct parentheses in
        predicate.
        ("*andsi_clear"): Tweak constraints to not match postincrement.
        Adjust the predicate to exclude a volatile memory reference.
        ("*andhi_clear"): Ditto.  Rename from "*andhi_clear_signed".
        ("*andhi_clear_unsigned"): Remove, non-matching pattern.

2004-02-19  Matt Kraai  <kraai@alumni.cmu.edu>

        * move-if-change: Remove.
        * Makefile.in (s-mlib, c-parse.y, s-check, s-gencheck)
        (s-specs, s-options, s-config, s-conditions, s-flags, s-codes)
        (s-constants, s-emit, s-recog, s-opinit, s-extract, s-peep)
        (s-attr, s-attrtab, s-output, s-genrtl, s-modes, s-preds)
        (s-gtyp-gen, s-iov): Use the top level move-if-change.
        * objc/Make-lang.in (objc/objc-parse.y): Likewise.

2004-02-19  James E Wilson  <wilson@specifixinc.com>

        * config/i386/i386.md (doloop_end_internal): Use nonimmediate_operand
        for operand2.  Add condition that requires register_operand operand2
        before reload.

2004-02-19  Richard Sandiford  <rsandifo@redhat.com>
            Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
        * config/mips/mips.md: Expand comment above unaligned loads and stores.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
        * tree.c (build0, build1, build2, build3, build4): Split out from...
        (build): ... here.  Call them.
        * tree.h (build, _buildN1, _buildN2, _buildC1, _buildC2): New.

        * convert.c (convert_to_integer): Remove extra build argument.
        * tree-inline.c (expand_call_inline): Likewise.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * c-opts.c (warn_variadic_macros): New.
        (c_common_handle_option): Set it.
        (sanitize_cpp_opts): Copy it to cpp_opts.
        * c.opt (Wvariadic-macros): New.
        * cpplib.h (struct cpp_options): Add warn_variadic_macros.
        * cppinit.c (cpp_create_reader): Initialize it.
        * cppmacro.c (parse_params): Check it.

2004-02-19  David Daney <ddaney@avtrex.com>

        PR preprocessor/14198
        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_assert ("machine=mips")

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (ia64_function_arg): In big-endian mode,
        when passing single SFmode quantities in general registers,
        put them in the high half.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * doc/md.texi (Standard Names): Document additional dependency on
        fix pattern.

        * optabs.c (ftruncify): Remove.
        (expand_fix): Manually inline ftruncify above.
        (can_fix_p): Add FIXME note.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fixunssfsi2): Rename to
        spe_fixuns_truncsfsi2.

        * config/rs6000/rs6000.md (fixunssfsi2): Rename to
        fixuns_truncsfsi2.

2004-02-19  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
        * testsuite/gcc.dg/20040219-1.c: New test.

2004-02-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*subdf3_cc", "*subdf3_cconly", "*subsf3_cc",
        "*subsf3_cconly"): Subtraction is not commutative.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * sdbout.c (preinit_symbols, sdbout_initialized): New statics.
        (sdbout_symbol): If called before sdbout_init, queue DECL for
        later and return.
        (sdbout_init): Set sdbout_initialized true, process decls
        queued earlier by sdbout_symbol.
        (sdbout_finish): Use size_t for index variable.

2004-02-19  Jeff Law  <law@redhat.com>

        * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
        for unordered comparison codes.

2004-02-19  Ian Lance Taylor  <ian@wasabisystems.com>

        * reload1.c (reload): Correct comment.
        (scan_paradoxical_subregs): Remove #if 0 and old comment.
        * doc/extend.texi (Local Reg Vars): Remove obsolete comment that
        register variables are not used by reload.

2004-02-19  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14209
        * config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
        constraints to not match postincrement.  Adjust the predicate to
        exclude a volatile memory reference.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.h (ASM_OUTPUT_EXTERNAL): Remove.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_void_tree_int): Remove.
        (hook_void_constcharptr): Likewise.
        (hook_int_void_0): Likewise.
        * hooks.h: Remove the prototypes for the above three
        functions.
        * targhooks.c (hook_bool_machine_mode_true): Remove.
        * targhooks.h: Remove the prototype for
        hook_bool_machine_mode_true.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (subreg_realpart_p): Remove.
        (reorder_insns_with_line_notes): Likewise.
        (end_full_sequence): Likewise.
        * rtl.h: Remove the prototype for the above functions.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.h, config/arm/arm.h, config/frv/frv.h,
        config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
        config/iq2000/iq2000.h, config/m32r/m32r.h,
        config/pdp11/pdp11.h, config/sparc/sparc.h,
        config/xtensa/xtensa.h: Remove commented-out or useless
        definitions of CASE_VECTOR_PC_RELATIVE.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * loop.c (all_sets_invariant_p): Remove.

2004-02-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/12916
        * config/sparc/sparc.h (NPARM_REGS): Delete.
        (BASE_RETURN_VALUE_REG): Likewise.
        (BASE_OUTGOING_VALUE_REG): Likewise.
        (BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        * config/sparc/sparc.c (sparc_strict_argument_naming): Test
        TARGET_ARCH64, not TARGET_V9.
        (function_arg_slotno): Dispatch based on the mode class.
        Handle vector modes like floating-point modes.
        (function_arg_record_value_1): Handle vector types like
        floating-point types.
        (function_arg_record_value_2): Likewise.
        Calculate regno after mode transformation.
        (function_arg): Handle vector modes like floating-point modes.
        (function_arg_partial_nregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX.
        If ARCH64, do not recheck alignment.
        (function_arg_pass_by_reference): Reorder the conditions.
        (sparc_return_in_memory): Move after function_arg_padding.
        Implement calling conventions for vector modes.
        (sparc_struct_value_rtx): Move after sparc_return_in_memory.
        (function_value): Move scope of 'regbase'.
        Implement calling conventions for vector modes.
        (sparc_builtin_saveregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX
        and BASE_INCOMING_ARG_REG by SPARC_INCOMING_INT_ARG_FIRST.
        (sparc_va_arg): Use function_arg_pass_by_reference to test whether
        the argument is passed by reference.
        (sparc_type_code): Handle vector types.

2004-02-19  Alan Modra  <amodra@bigpond.net.au>

        * function.c (assign_parms): When building decl_rtl for
        SPLIT_COMPLEX_ARGS, ensure inner modes of concat match outer.

2004-02-19  Olivier Hainque  <hainque@act-europe.fr>

        * expr.c (is_aligning_offset): Check if we are aligning the
        expressions's address over BIGGEST_ALIGNMENT in bytes, not
        in bits.

2004-02-18  Matt Austern  <austern@apple.com>

        * gcc.c (LIBGCC_SPEC): If REAL_LIBGCC_SPEC is defined, and
        LIBGCC_SPEC isn't, set LIBGCC_SPEC to REAL_LIBGCC_SPEC.
        (init_gcc_spec): Don't define or call if REAL_LIBGCC_SPEC is
        defined.  Instead use REAL_LIBGCC_SPEC, unmodifed, as the libgcc
        spec string.
        * doc/tm.texi (REAL_LIBGCC_SPEC): Document.

2004-02-18  Zack Weinberg  <zack@codesourcery.com>

        * dwarf2out.c (loclabel_num): Move outside #ifdef
        DWARF2_DEBUGGING_INFO and mark with GTY(()).
        * config/ia64/ia64.c (struct extern_func_list,extern_func_head):
        Mark with GTY(()).
        (ia64_hpux_add_extern_decl): Save the decl, not the name string.
        Allocate memory with ggc_alloc.  No need to copy anything.
        (ia64_hpux_file_end): Update to match.

2004-02-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Don't imply 3DNow! for -m64
        by default.

2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("divmodtidi3"): Use canonical RTL.
        ("divmodtisi3"): Likewise.
        ("udivmoddi4", "udivmodtidi3"): Likewise.
        ("divmodsi4", "divmoddisi3"): Likewise.
        ("udivmodsi4", "udivmoddisi3"): Likewise.
        ("udivsi3", "umodsi3"): Likewise.

2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_mainpool_start): Delete the main pool
        placeholder insn when chunkifying the pool.

2004-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (PIC_OFFSET_TABLE_REGNUM): Define to INVALID_REGNUM when not
        generating PIC code.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_expand_branch.
        * config/h8300/h8300.c (h8300_expand_branch): New.
        * config/h8300/h8300.md (ble, bleu, bge, bgeu, blt, bltu, bgt,
        bgtu, beq, bne): Call h8300_expand_branch().

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.
        * config/h8300/h8300.c (h8300_hard_regno_nregs): New.
        (h8300_hard_regno_mode_ok): Likewise.
        * config/h8300/h8300.h (HARD_REGNO_NREGS): Call
        h8300_hard_regno_nregs().
        (HARD_REGNO_MODE_OK): Call h8300_hard_regno_mode_ok().

2004-02-18  Per Bothner  <per@bothner.com>

        * cpphash.h (struct cpp_buffer):  Restore return_at_eof field.  This
        partly reverts my 2003-10-01 change, because we're back to logically
        including <command line> inside the main line.
        * cpplex.c (_cpp_get_fresh_line):  Check return_at_eof field.
        * cppmacro.c (cpp_scan_nooutput):  Set return_at_eof of current buffer.
        Fixes PR preprocessor/14103.

        * cppfiles.c (_cpp_stack_include):  When appropriate decrement
        line_table's highest_location, fixing LAST_SOURCE_LINE_LOCATION.
        (cpp_push_include):  Don't need to increment pfile's line field.
        * line-map.h (LAST_SOURCE_LINE_LOCATION):  Only decrement by 1.

        * c-ppoutput.c (print struct):  New first_time field.
        (init_pp_output):  Set print.first_time.
        (pp_file_change):  Use print.first_time, rather than MAIN_FILE_P,
        which is set also for (say) <command line>.  Clear print.first_time.

        * cppfiles.c (struct _cpp_file):  Comment and type for pch field
        does not match the code, so fix both.
        (should_stack_file):  Inline include_pch_p function.
        (include_pch_p):  Remove pointless function.

        * cpphash.h (struct cpp_buffer):  Remove unused search_cached field.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (four define_peephole2's): Use
        h8300_regs_ok_for_stm().

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        expand_a_rotate().
        * config/h8300/h8300.c (expand_a_rotate): Remove the first
        argument.
        * config/h8300/h8300.md: Update all callers.

2004-02-18  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_unary_operation): Deal with logicals on
        floats.
        (simplify_binary_operation): Deal with logicals on floats.

        * i386.md (SSE fabs splitters): Emit new patterns.
        (SSE cmov splitters): Likewise.
        (sse_andv4sf3, sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3
        (sse_andv2df3, sse_nandv2df3, sse_iorv2df3, sse_xorv2df3): Do not use
        subregs.
        (sse_andsf3, sse_nandsf3, sse_xorsf3): Kill.
        (sse_anddf3, sse_nanddf3, sse_xordf3): Kill.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (expand_a_rotate): Don't generate insns
        by hand.
        (output_a_rotate): Tweak a comment.
        * config/h8300/h8300.md (*rotlqi3_1): Change to rotlqi3_1.
        (*rotlhi3_1): Change to rotlhi3_1.
        (*rotlsi3_1): Change to rotlsi3_1.

2004-02-18  Richard Earnshaw  <rearnsha@arm.com>

        PR target/13866
        * arm.c (load_multiple_operation): Don't insist that the source reg
        of a post-increment component is the same as the destination.
        (store_multiple_operation): Likewise.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Move movsf patterns into one section
        of the file.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
        loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
        xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
        config/mips/linux64.h, config/pa/pa-64.h,
        config/rs6000/aix51.h, config/rs6000/aix52.h,
        config/rs6000/spe.md, config/sparc/linux.h,
        config/sparc/linux64.h: Update copyright.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Move push patterns into one
        section of the file.

2004-02-18  Mark Mitchell <mark@codesourcery.com>

        PR c++/11326
        * config/ia64/ia64.c (ia64_struct_value_rtx): Cope with NULL
        fntype.

2004-02-18  Paul Brook  <paul@codesourcery.com>

        * rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX

2004-02-18  Paul Brook  <paul@codesourcery.com>

        PR debug/12934
        * dwarf2out.c (loc_descriptor_from_tree): Handle
        EXPR_WITH_FILE_LOCATION.

2004-02-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (zero_extendqidi2, zero_extendqidi2,
        testdi_1_rex64, anddi_2, xordi_1_rex64, xordi_2_rex64): Remove
        trailing whitespace from instructions.

2004-02-17  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: When generating auto-build.h, pass
        --enable-languages to the sub-configure.
        Put quotes around ${program_transform_name} when generating
        name of as, ld, nm, objdump.
        * configure: Regenerate.

2004-02-17  Matt Kraai  <kraai@alumni.cmu.edu>

        * Makefile.in (s-check, s-config, s-conditions, s-flags)
        (s-codes, s-constants, s-emit, s-recog, s-opinit, s-extract)
        (s-peep, s-attr, s-attrtab, s-output, s-genrtl, s-modes)
        (s-preds, s-iov): Do not depend on move-if-change.

2004-02-17  James E Wilson  <wilson@specifixinc.com>

        * caller-save.c (insert_restore): Pass mem through copy_rtx.
        (insert_save): Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_emit_stack_adjustment): Fix a
        warning.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*one_complsi2_h8300): Change to
        *one_cmplsi2_h8300.
        (*one_complsi2_h8300hs): Change to *one_cmplsi2_h8300hs.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype of
        fix_bit_operand().
        * config/h8300/h8300.c (fix_bit_operand): Remove the second
        argument "what".
        * config/h8300/h8300.md: Update all callers.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (fix_bit_operand): Change the name of
        the last argument to "code" from "type".

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Remove an extern declaration of
        rtx_equal_function_value_matters.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (fix_bit_operand): Don't generate insns
        by hand.
        * config/h8300/h8300.md (*andqi3_1): Change to andqi3_1.
        (*iorqi3_1): Change to iorqi3_1.
        (*xorqi3_1): Change to xorqi3_1.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfghooks.c, rtlanal.c, varasm.c: Fix comment
        typos.

2004-02-17  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_prologue_using_move, x86_epilogue_using_move): Disable for P4.

2004-02-18  Alan Modra  <amodra@bigpond.net.au>

        PR optimization/14119
        * combine.c (try_combine): When attemting to fix unrecognized insns,
        don't delete SETs marked with REG_EH_REGION notes.

2004-02-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (simplify_if_then_else): Do not replace
        (if_then_else (ne reg 0) (0) (const_int)) by (reg) if the
        modes differ.

2004-02017  Steven Bosscher  <stevenb@suse.de>

        * (c-decl.c, c-semantics.c, calls.c, cgraph.c, cgraphunit.c,
        function.c, integrate.c, print-tree.c, toplev.c, tree-optimize.c,
        tree.h): Replace DECL_SAVED_INSNS with DECL_STRUCT_FUNCTION.
        * ada/utils.c: Likewise.
        * cp/decl.c: Likewise.
        * f/com.c: Likewise.
        * java/class.c: Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Fix comment typos.

2004-02-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/t-iris6gld: Renamed to ...
        * config/mips/t-irix-gld: ... this.
        * config.gcc (mips-sgi-irix6*): Reflect this
        (mips-sgi-irix5*): Use it with GNU ld.

        * config/mips/irix6-crti.asm, config/mips/irix6-crtn.asm: Renamed
        to ...
        * config/mips/irix-crti.asm, config/mips/irix-crtn.asm: ... this.
        * config/mips/t-irix-gld: Reflect this.
        * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.

        * config/mips/iris5gld.h: New file.
        * config.gcc (mips-sgi-irix5*): Use it with GNU ld.
        Only use collect2 without gas.

        * config/mips/iris6.h (IRIX6_STARTFILE_SPEC, IRIX6_ENDFILE_SPEC):
        Renamed to IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
        (STARTFILE_SPEC, ENDFILE_SPEC, SUBTARGET_EXTRA_SPECS): Reflect this.
        * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.

        * config/mips/iris6.h (SUBTARGET_EXTRA_SPECS): Moved ...
        * config/mips/iris5.h: ... here.

        * config/mips/iris5.h (STARTFILE_SPEC, ENDFILE_SPEC): Renamed to
        IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
        (STARTFILE_SPEC, ENDFILE_SPEC): Define.

        * config/mips/iris5gas.h (STARTFILE_SPEC, ENDFILE_SPEC): Simplify
        using irix_startfile_spec, irix_endfile_spec.

2004-02-16  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c: Remove obsolete support for HPUX_ASM.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_expand_prologue): Don't generate
        insns by hand.

2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfghooks.c (split_edge): Speed up updating of dominators.

2004-02-17  Mark Mitchell  <mark@codesourcery.com>

        PR c++/11326
        * c-common.c (flag_abi_version): Remove.
        * c-common.h (flag_abi_version): Likewise.
        * c-opts.c (c_common_handle_option): Remove OPT_fabi_version case.
        * c.opt (fabi-version): Remove.
        * calls.c (expand_call): Always pass a function type to
        struct_value_rtx.  Use convert_memory_address.
        * common.opt (fabi-version): Add it.
        * flags.h (flag_abi_version): Likewise.
        (abi_version_at_least): New macro.
        * opts.c (common_handle_option): Add OPT_fabi_version.
        * toplev.c (flag_abi_version): Define it.
        * config/ia64/ia64.c (ia64_struct_retval_addr_is_first_parm_p):
        New function.
        (ia64_output_mi_thunk): Use it.
        (ia64_struct_value_rtx): Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_emit_stack_adjustment):
        Don't generate insns by hand.

2004-02-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/14178
        * doc/invoke.texi (fabi-version): The default is 2 now.

2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-iv.c: New file.
        * Makefile.in (loop-iv.o): New.
        * basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
        * cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
        num_loop_branches): New functions.
        * cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
        iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
        find_simple_exit, iv_number_of_iterations, iv_analysis_done,
        get_simple_loop_desc, free_simple_loop_desc): Declare.
        (simple_loop_desc): New inline function.
        (struct rtx_iv, struct niter_desc): New.
        * cfgloopmanip.c (loopify): Specify semantics more precisely.
        * expr.c (force_operand): Handle subregs of expressions created by
        loop unroller.
        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
        parts of the initialization to toplev.c
        * loop-unroll.c (loop_exit_at_end_p): New.
        (unroll_and_peel_loops): Call iv_analysis_done.
        (decide_peel_once_rolling, decide_peel_completely,
        decide_unroll_stupid, decide_unroll_constant_iterations,
        decide_unroll_runtime_iterations, decide_peel_simple,
        peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations): Use new simple loop analysis.
        * loop-unswitch.c (compare_and_jump_seq): New.
        (may_unswitch_on_p): Renamed to ...
        (may_unswitch_on): Use new iv analysis.
        (reversed_condition): Export.
        (unswitch_single_loop, unswitch_loop): Use new iv analysis.
        * predict.c (estimate_probability): Use new simple loop analysis.
        * rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
        canon_condition, simplify_using_condition): Declare.
        * stor-layout.c (get_mode_bounds): New.
        * toplev.c (rest_of_handle_loop2): Some parts of
        initialization/finalization moved here from loop-init.c.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (FIXED_REGISTERS): Add the soft frame
        pointer.
        (CALL_USED_REGISTERS): Likewise.
        (REG_ALLOC_ORDER): Likewise.
        (REG_CLASS) <GENERAL_REGS>: Likewise.

2004-02-16  Geoffrey Keating  <geoffk@apple.com>

        * doc/md.texi (Insn Canonicalizations): Document left-chaining
        in associative operators.
        * rtlanal.c (commutative_operand_precedence): Create some new
        variables.  Prefer a commutative operand on the left, then
        binary expressions, then NEG and NOT.

2004-02-16  Matthias Klose  <doko@debian.org>

        * config/t-slibgcc-elf-ver: Define SHLIB_NAME and SHLIB_SONAME
        in terms of SHLIB_SOVERSION.
        * config/m68k/t-slibgcc-elf-ver: New file.
        * config/pa/t-slibgcc-elf-ver: New file.
        * config.gcc (m68k-linux, parisc-linux): Use them when not
        sjlj exceptions are not configured.

2004-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (get_pc_symbol_name): Mark with GTY(()).

2004-02-16  Zack Weinberg  <zack@codesourcery.com>

        * sdbout.c (sdb_debug_hooks): Correct the type_decl entry.

2004-02-16  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Mention backends.html.

2004-02-16  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c, c-ppoutput.c, cpphash.h, cpplib.h, dbxout.c,
        line-map.c, line-map.h, var-tracking.c: Fix comment
        formatting.

2004-02-16  Richard Henderson  <rth@redhat.com>

        * cse.c (cse_insn): Don't lose REG_NON_LOCAL_GOTO note.

        * fold-const.c (operand_equal_p): Fix VECTOR_CST comparison.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove unnecessary parallels from
        all define_insn and define_split patterns.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove explicit (set_attr "cc"
        "clobber").

2004-02-15  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Restore support for
        '%#'.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c, config/mips/mips.c,
        config/mmix/mmix-modes.def: Fix comment typos.

2004-02-15  Roger Sayle  <roger@eyesopen.com>

        * c-common.h (GET_DIRECTIVE_LINE): Remove unused macro.
        (get_directive_line): Remove unused function prototype.

2004-02-14  Josef Zlomek  <zlomekj@suse.cz>

        * tree-inline.c (copy_body_r): Do not replace ret_label.

2004-02-14  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_four_jump_limit): New variable.
        (k8_avoid_jump_misspredicts): Rename to ...
        (ix86_avoid_jump_misspredicts): .. this one.
        (ix86_pad_returns): Break out from ...
        (ix86_reorg): ... this one; do ix86_avoid_jump_misspredicts when asked
        to.
        * i386.h (TARGET_FOUR_JUMP_LIMIT): New macro.

2004-02-14  Josef Zlomek  <zlomekj@suse.cz>

        * emit-rtl.c (set_decl_incoming_rtl): Check whether the 0th element of
        PARALLEL is NULL.

2004-02-14  Per Bothner  <per@bothner.com>

        * fix-header.c (line_table):  Move local variable in main to global.
        * scan.h (line_table):  Use it.
        * scan-decls.c (scan_decls):  Need to call linemap_lookup on token's
        line (recently renamed to src_loc) before calling recognized_function.

2004-02-14  Matt Kraai  <kraai@alumni.cmu.edu>

        * Makefile.in: Fix comment typos.

2004-02-14  Olivier Hainque  <hainque@act-europe.fr>

        * loop.c (check_dbra_loop): Use gen_int_mode instead of GEN_INT
        for start_value when it is directly moved into reg, and factorize
        the retrieval of GET_MODE (reg).

2004-02-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_load_got_page): Delete.
        (mips_load_got_global): Delete.
        (mips_gotoff_page): Declare.
        * config/mips/mips.md (UNSPEC_LOAD_GOT): New constant.
        (*xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i): Build an
        UNSPEC_LOAD_GOT pattern rather than a MEM.
        (*load_got[sd]i): New patterns.
        * config/mips/mips.c (mips_got_alias_set, mips_load_got): Delete.
        (mips_load_got_page, mips_load_got_global): Delete.
        (mips_gotoff_page): New function.
        (override_options): Don't initialize mips_got_alias_set.

2004-02-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_DEBUG_[ABEFI], TARGET_DEBUG_[ABEFI]_MODE)
        (TARGET_MIPS4100, TARGET_MIPS4300, TARGET_MIPS4KC, TARGET_MIPS5KC)
        (TARGET_SB1, TUNE_SB1, TUNE_SR71K, BIGGEST_MAX_ARGS_IN_REGISTERS)
        (GO_PRINTF, GO_PRINTF2, GO_DEBUG_RTX, DFMODE_NAN, SFMODE_NAN): Delete.
        (TARGET_SWITCHES): Remove MASK_DEBUG_[ABEFI].
        * config/mips/mips.c: Fix some overly-long lines.
        (SINGLE_WORD_MODE_P, PIC_OFFSET_TABLE_MASK): Delete.
        (init_cumulative_args): Remove TARGET_DEBUG_E_MODE handling.

2004-02-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.ac: Search for as, ld below libexec/gcc.
        * configure: Regenerate.

2004-02-14  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/mmintrin.h (_mm_setwcx): Reverse arguments in call to
        __builtin_arm_setwcx ().
        * config/arm/arm.c (arm_expand_builtin): Generate operands
        correctly and reverse their order in call to gen_iwmmxt_tmcr ().

2004-02-14  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/arm.c (bdesc_2arg): Correct builtin names "wmulsh"
        and "wmuluh" to "wmulsm" and "wmulum", respectively.
        * config/arm/arm.h (enum arm_builtins): Rename enumerators to
        ARM_BUILTIN_WMULSM and ARM_BUILTIN_WMULUM.
        * config/arm/mmintrin.h (_mm_mulhi_pi16): Update intrinsic call.
        (_mm_mulhi_pu16): Likewise.

2004-02-13  Zack Weinberg  <zack@codesourcery.com>

        * xcoffout.c (xcoff_assign_fundamental_type_number): Check
        DECL_NAME != 0 before dereferencing.

2004-02-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_output_symbolic_const): Remove.
        (s390_output_addr_const_extra): Declare.
        (s390_output_pool_entry): Remove FILE * argument.
        * config/s390/s390.c (s390_output_symbolic_const): Remove.
        (s390_output_addr_const_extra): New function.
        (print_operand_address): Call output_addr_const instead of
        s390_output_symbolic_const.
        (print_operand): Likewise.
        (s390_output_pool_entry): Use assemble_integer for symbolic constants.
        Remove FILE * argument.
        * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Define.
        * config/s390/s390.md ("*pool_entry"): Adapt s390_output_pool_entry
        call.

2004-02-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopanal.c (mark_irreducible_loops): Rewriten.
        (struct edge, struct vertex, struct graph): New.
        (dump_graph, new_graph, add_edge, dfs, check_irred, for_each_edge,
        free_graph): New functions.

2004-02-12  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal, casesi_internal_di):
        Use ".set macro" to avoid warnings about multi-instruction
        macros, since they're intentional.

2004-02-12  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h: Add include guards.  Remove old, now incorrect,
        comment about STANDARD_EXEC_PREFIX.

        * Makefile.in (install-man): Use $(CPP_INSTALL_NAME) and
        $(GCOV_INSTALL_NAME) to install manpages.  Remove generic rule
        for installing .1 manpages.  Add rules for installing cpp
        and gcov manpages under their installed names.

2004-02-12  Alexandre Oliva  <aoliva@redhat.com>

        * configure.ac (gcc_cv_ld): Don't set to LD if target is not
        host, but try LD_FOR_TARGET first.
        * configure: Rebuilt.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c: Move declaration of dbxout_type_decl outside
        #ifdef DBX_DEBUGGING_INFO.
        * c-parse.in: Don't give the asmdef production a type.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * debug.h (struct gcc_debug_hooks): Add type_decl field.
        (debug_nothing_tree_int): Prototype.
        (dwarf_debug_hooks): Delete, unused.
        * debug.c (do_nothing_debug_hooks): Update.
        (debug_nothing_tree_int): New function.
        * langhooks.h (struct lang_hooks_for_decls):
        Remove builtin_type_decls field.
        * langhooks-def.h (LANG_HOOKS_BUILTIN_TYPE_DECLS): Delete.
        (LANG_HOOKS_DECLS): Update.
        * toplev.c (rest_of_decl_compilation, rest_of_type_compilation):
        Use debug_hooks->type_decl.
        * dbxout.c (preinit_symbols): New static.
        (dbx_debug_hooks, xcoff_debug_hooks): Update.
        (dbxout_init): Don't call DBX_OUTPUT_STANDARD_TYPES or
        lang_hooks.decls.builtin_type_decls.  Do scan preinit_symbols
        for symbols to output.
        (dbxout_type_decl): New function.
        (dbxout_symbol): If called before dbxout_init has run, queue
        the symbol for later.  Apply DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER
        to TYPE_DECLs before emitting them.
        * xcoffout.c (assign_type_number): Delete.
        (xcoff_type_numbers): New static table.
        (xcoff_assign_fundamental_type_number): New function.
        * xcoffout.h: Define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER, not
        DBX_OUTPUT_STANDARD_TYPES.  Remove unnecessary #ifdefs.
        * sdbout.c: Include varray.h.
        (deferred_global_decls): New static.
        (sdb_debug_hooks): Update.
        (sdbout_global_decl): If we can't emit something right now,
        remember it in deferred_global_decls.
        (sdbout_finish): Just scan deferred_global_decls; don't call getdecls.
        (sdbout_init): Initialize deferred_global_decls.
        * Makefile.in: Update dependencies of sdbout.o.
        * dwarf2out.c (dwarf2out_type_decl): New function.
        (dwarf2_debug_hooks): Update.
        * vmsdbgout.c (vmsdbg_debug_hooks): Update.
        * c-decl.c (getdecls): Just return 0.
        (check_for_loop_decls): Don't use getdecls.
        (record_builtin_type): Call debug_hooks->type_decl on the TYPE_DECL.
        * c-objc-common.c (c_objc_common_finish_file): Don't use getdecls.

2004-02-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_sched_reorder2): Remove.
        (TARGET_SCHED_REORDER2): Do not redefine.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * c-parse.in (maybe_type_qual): Delete.
        (maybe_volatile, simple_asm_expr, asmdef, asm_stmt)
        (asm_argument): New grammar rules.
        (extdef_1): Use asmdef.
        (maybeasm): Move down with other asm rules; use simple_asm_expr.
        (xexpr): Move up with other expression rules.
        (stmt): Use asm_stmt.

        * c-typeck.c (build_asm_expr): New function - body mostly
        pulled from build_asm_stmt.
        (build_asm_stmt): Just handle tacking on the volatile qualifier.
        * c-tree.h (build_asm_expr, build_asm_stmt): Update prototypes.

2004-02-12  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/13617
        * config/mips/mips-protos.h (mips_output_aligned_decl_common): Declare.
        (mips_declare_object): Make variadic.
        * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Use
        mips_output_aligned_decl_common.
        * config/mips/mips.c (mips_output_aligned_decl_common): New function.
        (mips_declare_object): Make variadic.

2004-02-12  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (update_epilogue_consts): Teach about binary operations.

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Don't kill
        previous MEM_VOLATILE in REF.
        * function.c (fixup_var_refs): Save volatile_ok and set to 1.
        * expr.c (emit_block_move_via_movstr): Save and restore volatile_ok.

2004-02-12  Gunther Nikl  <gni@gecko.de>

        * config.gcc: Restore support for m68k-openbsd.

2004-02-12  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (tree_rest_of_compilation): Do not release
        DECL_ARGUMENTS.

2004-02-11  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi: Fix the spelling of "explicitly".

2004-02-11  Eric Christopher  <echristo@redhat.com>

        * cppcharset.c (_cpp_interpret_string_notranslate): Rename and
        duplicate argument structure of cpp_interpret_string.
        * cpphash.h: Move prototype...
        * cpplib.h: Here.
        * cpplib.c: Fix calls to match new function signature.

2004-02-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/456
        * cppexp.c (num_binary_op): Don't allow comma operators in #if
        constant expressions at all outside C99 mode if pedantic.

2004-02-11  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_log10 and OTI_log2.
        (log10_optab, log2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize log10_optab and log2_optab.
        * genopinit.c (optabs): Implement log10_optab and log2_optab
        using log10?f2 and log2?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG10{,F,L}
        using log10_optab, and BUILT_IN_LOG2{,F,L} using log2_optab.
        (expand_builtin): Expand BUILT_IN_LOG10{,F,L} and BUILT_IN_LOG2{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (log10sf2, log10df2, log10xf2, log2sf2,
        log2df2, log2xf2): New patterns to implement log10, log10f, log10l,
        log2, log2f and log2l built-ins as inline x87 intrinsics.

2004-02-11  Richard Henderson  <rth@redhat.com>

        PR target/1532
        * flow.c (insn_dead_p): A clobber of a dead hard register is a
        dead insn after reload.

2004-02-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * tree.h (frame_base_decl): Add GTY marker.
        * var-tracking.c (frame_base_decl): Likewise.

2004-02-11  Daniel Berlin  <dberlin@dberlin.org>

        * dwarf2out.c (output_loc_list): Remove no longer necessary, and now
        incorrect, hunk.
        (add_location_or_const_value_attribute): Use text_section_label,
        not TEXT_SECTION_NAME.

2004-02-11  Per Bothner  <per@bothner.com>

        Represent column numbers using line-map's source_location.
        The "next available source_location" is now managed internally by
        line-maps.c rather than by clients.
        * line-map.h (struct line_map):  New field column_bits.
        <from_line>:  Rename field to start_location.
        (struct line_maps):  New fields highest_location and max_column_hint.
        (linemap_check_files_exited):  New declaration.
        (linemap_line_start):  New declaration.
        (linemap_add):  Remove from_line parameter; use highest_location field.
        (SOURCE_LINE, LAST_SOURCE_LINE):  Modify to use column_bits.
        (SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION):  New macros.
        (CURRENT_LINE_MAP):  Remove macro.
        (linemap_position_for_column):  New inline function.
        * line-map.c (linemap_init):  Clear new fields.
        (linemap_check_files_exited):  New function, extracted from ...
        (linemap_free):  Use linemap_check_files_exited.
        (linemap_add):  Remove from_line parameter.  Various updates.
        (linemap_line_start):  New function.
        (linemap_lookeup):  Update for new field names.
        * cpphash.h (struct cpp_reader) <map>:  Field removed.  Because
        linemap_position_for_column may unpredictably change the current map,
        it is cleaner and simpler for us to not cache it in cpp_reader.
        (struct cpp_buffer):  New sysp field.
        Changed warned_cplusplus_comments and from_stage3 to bitfields.
        * cppinit.c (cpp_read_min_file):  pfile->map no longer exists.
        * cpplib.c (do_line, do_linemarker, _cpp_do_file_change):  Get
        current map using linemap_lookup.
        (do_linemarker):  Also set buffer's sysp field.
        (destringize_and_run):  No longer need to decrement current line.
        * cppfiles.c (_cpp_stack_file):  Set sysp from and in buffer.
        (search_path_head, open_file_failed):  Use buffer's sysp.
        (cpp_make_system_header):  Get current map using linemap_lookup.
        Also set buffer's sysp flag.
        * cppmacro.c (_cpp_builtin_macro_text):  Likewise use linemap_lookup.
        * cpphash.h (CPP_INCREMENT_LINE):  New macro.
        (struct cpp_buffer):  Moved fields saved_cur, saved_rlimit to ...
        (struct cpp_reader):  ... and adding saved_line_base field.
        * cpptrad.c (_cpp_overlay_buffer, _cpp_remove_overlay):
        Update accordingly.  Don't adjust line.
        (_cpp_scan_out_logical_line):  Use CPP_INCREMENT_LINE.
        * cpphash.c (CPP_IN_SYSTEM_HEADER):  Replaced macro by ...
        (cpp_in_system_header):  ... new inline function, using buffer's sysp.
        * cpperror.c (_cpp_begin_message):  Update to use cpp_in_system_header.
        * cpplex.c (_cpp_lex_direct):  Likewise.
        * cppmacro.c (_cpp_builtin_macro_text):  Likewise.
        * cppmacro.c (_cpp_create_definition):  Use buffer's sysp field.
        * cpplib.h (struct cpp_token):  Rename line field to src_loc.
        Remove col field as it is now subsumed by src_loc.
        * cpperror.c:  Update various field, parameter, and macro names.
        (print_location):  If col==0, try SOURCE_COLUMN of line.
        (cpp_error):  Use cur_token's src_loc field, rather than line+col.
        * cpplib.c (do_diagnostic):  Token's src_loc fields replaces line+col.
        * cpplex.c (_cpp_process_line_notes, _cpp_lex_direct,
        _cpp_skip_block_comment):  Use CPP_INCREMENT_LINE.
        (_cpp_temp_token):  Replace cpp_token's line+col fields by src_loc.
        (_cpp_get_fresh_line):  Don't need to adjust line for missing newline.
        (_cpp_lex_direct):  Use linemap_position_for_column.
        * c-ppoutput.c (maybe_print_line, print_line):  Don't take map
        parameter.  Instead get it from the line_table global.  Adjust callers.
        (print):  Remove map field.  Replace line field to src_line.
        (init_pp_output, account_for_newlines, maybe_print_line):  Adjust.
        (cb_line_change):  Use SOURCE_COLUMN.  Minor optimizations.
        (pp_file_change):  Use MAIN_FILE_P since we cannot checked print.map.
        Use LAST_SOURCE_LINE_LOCATION to "catch up" after #include.
        * cpptrad.c (copy_comment):  Rename variable.
        * c-lex.c (map):  Remove static variable, for same reason we removed
        cpp_reader's map field.
        (cb_line_change, cb_def_pragma, cb_define, cb_undef):  Hence we need
        to call linemap_lookup.
        (cb_line_change):  Token's line field replaced by src_loc.
        (fe_file_change):  Use MAINFILE_P and LAST_SOURCE_LINE macros.
        Don't save new_map.

        * cpphash.h, cpperror.c, cpplib.h:  Some renames of fileline to
        source_location.

2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>

        * config/rs6000/altivec.md (*movv4si_internal): At least one
        operand must be register_operand.
        (*movv8hi_internal1): Likewise.
        (*movv16qi_internal1): Likewise.
        (*movv4sf_internal1): Likewise.

2004-02-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md ("*movv2si_internal"): Check for register
        operand.
        (movv4hi_internal): Same.
        (movv2sf_internal): Same.
        (movv1di_internal): Same.

2004-02-11  Thiemo Seufer  <seufer@csv.ica.uni-stuttgart.de>

        * config/mips/mips.h (TARGET_OLDABI): Define. Use TARGET_NEWABI and
        TARGET_OLDABI consistently.
        * config/mips/mips.c (function_arg,mips_setup_incoming_varargs,
        mips_va_arg,override_options,compute_frame_size,
        mips_initial_elimination_offset,mips16_fp_args,build_mips16_call_stub
        ,mips_return_in_memory,mips_strict_argument_naming): Use TARGET_NEWABI
        and TARGET_OLDABI consistently.
        * config/mips/mips.md (exception_receiver): Likewise.
        * config/mips/linux64.h: Likewise.

2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_override_options)
        Set AltiVec ABI and vrsave as default for ppc64 linux.
        (init_cumulative_args): Post error, if try to return
        value in AltiVec register without enable AltiVec.
        (function_arg_advance): Ditto for passing arguments.

2004-02-11  Richard Sandiford  <rsandifo@redhat.com>

        * emit-rtl.c (mark_label_nuses): Check that a LABEL_REF refers to
        a label before updating its usage count.

2004-02-10  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi: Remove extra cd.

2004-02-10  Ziemowit Laski  <zlaski@apple.com>

        * c-common.c (vector_size_helper): Remove; call
        reconstruct_complex_type() instead.
        * tree.c (reconstruct_complex_type): New function
        (formerly vector_size_helper() in c-common.c).
        (make_vector): Make externally visible.
        * tree.h (reconstruct_complex_type, make_vector): Add prototypes.

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

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_regs_ok_for_stm.
        * config/h8300/h8300.c (h8300_regs_ok_for_stm): New.
        * config/h8300/h8300.md (stm_h8300s_2_advanced,
        stm_h8300s_2_normal, stm_h8300s_2, stm_h8300s_3_advanced,
        stm_h8300s_3_normal, stm_h8300s_3, stm_h8300s_4_advanced,
        stm_h8300s_4_normal, stm_h8300s_4, ldm_h8300s_2_advanced,
        ldm_h8300s_2_normal, ldm_h8300s_2, ldm_h8300s_3_advanced,
        ldm_h8300s_3_normal, ldm_h8300s_3, ldm_h8300s_4_advanced,
        ldm_h8300s_4_normal, ldm_h8300s_4): Use
        h8300_regs_ok_for_stm().

2004-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

        PR c/14088
        * real.c (real_from_string): Look for 'X' as well as 'x' in
        hexfloat strings.

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

        * config/h8300/h8300.md: Remove an incorrect comment about
        peephole2.  Add comments.

2004-02-10  Josef Zlomek  <zlomekj@suse.cz>

        PR/14058
        * emit-rtl.c (set_decl_incoming_rtl): New.
        * tree.h (set_decl_incoming_rtl): New.
        * function.c (assign_parms): Use set_decl_incoming_rtl for setting
        DECL_INCOMING_RTL.
        * ada/misc.c (adjust_decl_rtl): Likewise.

2004-02-10  Per Bothner  <per@bothner.com>

        * c-opts.c (c_common_post_options):   Don't emit working directory
        in cpp output if -P was specified.

2004-02-10  Paolo Bonzini  <bonzini@gnu.org>

        PR c/14092
        * fold-const.c (fold) <NEGATE_EXPR>: Convert result of
        negate_expr back to the original type.

2004-02-10  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Don't
        bump retaddr here.

2004-02-10  Paolo Bonzini  <bonzini@gnu.org>

        * rtl.h (schedule_insns, schedule_ebbs, fix_sched_param,
        gen_lowpart_SUBREG): Move under the file in which they
        are actually declared.

2004-02-10  Arnaud Charlet  <charlet@act-europe.fr>

        * doc/sourcebuild.texi: Add libada documentation.

        * doc/install.texi: Update documentation on Ada build, now
        that the GNAT lib and tools are built automatically.

2004-02-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (TARGET_GPWORD): Return false for TARGET_NEWABI
        && TARGET_IRIX.

2004-02-09  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (get_super_receiver): Move '#ifdef OBJCPLUS'
        boundaries outside build_component_ref() call (a macro in ObjC++).

2004-02-09  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h (xtensa_copy_incoming_a7): Update.
        (init_cumulative_args): Likewise.
        (a7_overlap_mentioned_p): Delete prototype.
        * config/xtensa/xtensa.c (struct machine_function): Replace
        incoming_a7_copied field with need_a7_copy and vararg_a7 flags.
        Add set_frame_ptr_insn field.
        (xtensa_emit_move_sequence): Update call to xtensa_copy_incoming_a7.
        (xtensa_copy_incoming_a7): Rewrite to check need_a7_copy flag and check
        if the operand is an argument in a7.  If so, copy a7 to a new pseudo
        at the function entry and replace the operand with the pseudo.
        (init_cumulative_args): Remove unused arguments.  Add new "incoming"
        argument and record this flag in CUMULATIVE_ARGS.
        (function_arg): Remove result_mode and special-case code to handle
        arguments in a7.  Instead, set need_a7_copy flag when there is an
        incoming argument in a7.
        (xtensa_expand_prologue): Remove code to search for set_frame_ptr insn
        and use the value recorded in cfun->machine->set_frame_ptr_insn.
        (xtensa_builtin_saveregs): Check for negative gp_left value.  Set
        need_a7_copy and vararg_a7 flags.  Use move_block_from_reg instead of
        special-case code.
        (a7_overlap_mentioned_p): Delete.
        * config/xtensa/xtensa.h (CUMULATIVE_ARGS): Add "incoming" flag.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Remove useless
        arguments to init_cumulative_args and pass "incoming" flag instead.
        (BLOCK_REG_PADDING): Delete.
        * config/xtensa/xtensa.md (movdi, movsf, movdf): Remove unnecessary
        checks for reload_in_progress and reload_completed.  Update calls to
        xtensa_copy_incoming_a7.
        (ashlsi3): Rename existing insn to ashlsi3_internal.  Add expander
        to call xtensa_copy_incoming_a7.

2004-02-09  DJ Delorie  <dj@redhat.com>

        * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): No
        longer modify standard_exec_prefix, standard_bindir_prefix, or
        standard_startfile_prefix.

2004-02-09  James E Wilson  <wilson@specifixinc.com>

        PR c++/11295
        * c-common.c (c_expand_expr, case STMT_EXPR): Change expand_expr call
        to expand_expr_real call, and pass in alt_rtl as last argument.

        PR libstdc++/5625
        * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New.
        * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER.
        * builtins.def (BUILT_IN_EXTEND_POINTER): New.
        * except.c (expand_builtin_extend_pointer): New.
        * except.h (expand_builtin_extend_pointer): Declare.

2004-02-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): Remove splitting slow
        unaligned loads and stores.

2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris5.h (BSS_SECTION_ASM_OP): Define.
        * config/mips/iris6.h (BSS_SECTION_ASM_OP): Undef.

        * config/mips/iris6.h (TARGET_ASM_NAMED_SECTION): Moved ...
        * config/mips/iris5.h: ... here.
        * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Remove.

        * config/mips/iris6.h (EXTRA_SECTION_FUNCTIONS): Move ...
        * config/mips/iris5.h: ... here.

2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.ac: Remove default executable files before AC_PROG_CC.
        * configure: Regenerate.

2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/13721
        * config/h8300/h8300.c (byte_reg): Call abort() if asked to
        print a operand other than a register.

2004-02-09  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
        tree code rather than call fold_convert, which doesn't specify a
        default floating point to integer conversion.

2004-02-08  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c, config/m68k/m68k.md (SGS, SGS_CMP_ORDER): Remove
        code to support SGS assembler.  Reformat adjacent code where possible.
        * config/m68k/m68k.c (switch_table_difference_label_flag): Remove
        definition.
        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Remove support
        for '%#'.
        * config/m68k/linux.h, config/m68k/m68k.c,
        * config/m68k/math-68881.h: Replace `%#' with `#' in inline asm
        macros and asm_printf() format strings.
        * config/m68k/m68kelf.h (ASM_OUTPUT_CASE_END): Remove macro definition.
        * config/m68k/linux.h: Update copyright.
        * config/m68k/linux.h, config/m68k/m68k.c: Remove traling whitespace.

2004-02-08  Andreas Schwab  <schwab@suse.de>
            Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h (REGISTER_NAMES): Prefix each name with
        REGISTER_PREFIX.
        * (M68K_FP_REG_NAME): New macro to specify an alternate name for the
        frame pointer register, overridable by OS targets.
        * (M68K_REGNAME): Macro to obtain register name for asm output,
        eventually replacing %a6 with M68K_FP_REG_NAME.
        * config/m68k/coff.h (REGISTER_NAMES): Don't redefine.
        * config/m68k/linux.h (REGISTER_NAMES): Likewise.
        * config/m68k/m68kelf.h (REGISTER_NAMES): Likewise.
        * config/m68k/netbsd-elf.h (REGISTER_NAMES): Likewise.
        * config/m68k/m68k.c: Use M68K_REGNAME(x) in place of reg_names[x].

2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
        hook_rtx_tree_int_null.
        * targhooks.c (default_struct_value_rtx): Remove.
        * targhooks.h: Remove the prototype for
        default_struct_value_rtx.
        * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
        config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
        config/ip2k/ip2k.c, config/iq2000/iq2000.c,
        config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
        config/mn10300/mn10300.c, config/pdp11/pdp11.c,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/stormy16/stormy16.c, config/v850/v850.c,
        config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
        * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.

2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * README.Portability: Change "ISO C89" to "ISO C90".
        * c-parse.in (primary, initelt): Likewise.

2004-02-08  Richard Sandiford  <rsandifo@redhat.com>

        * real.c (encode_ibm_extended): Normalize the input value before
        converting it to a double.  Handle the case where a normal value
        rounds to infinity.

2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-objc-common.c (c_cannot_inline_tree_fn): Fix a typo in a
        warning.
        * cse.c (preferrable): Change to preferable. Update all of its
        callers.
        * genautomata.c (ainsn): Change
        first_ainsn_with_given_equialence_num to
        first_ainsn_with_given_equivalence_num.  Update all of its
        references.

2004-02-08  Jan Hubicka  <jh@suse.cz>

        * schedule-ebb.c (schedule_ebbs): Do not allocate reg life data.

2004-02-07  David Edelsohn  <edelsohn@gnu.org>

        * function.c (assign_parms): Fix formatting.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * default.h (PROMOTE_PROTOTYPES): Remove.
        * system.h (PROMOTE_FUNCTION_RETURN, PROMOTE_PROTOTYPES,
        STRUCT_VALUE_REGNUM, SETUP_INCOMING_VARARGS,
        EXPAND_BUILTIN_SAVEREGS): Poison.
        * target-def.h (TARGET_PROMOTE_FUNCTION_RETURN): Define as
        hook_bool_tree_false.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        * target.h: Replace SETUP_INCOMING_VARARGS with
        targetm.calls.setup_incoming_varargs().
        * targhooks.c (default_promote_function_return): Remove.
        (default_promote_prototypes): Likewise.
        (default_struct_value_rtx): Always abort().
        (default_expand_builtin_saveregs): Always print an error
        message.
        (default_setup_incoming_varargs): Do nothing.
        (default_pretend_outgoing_varargs_named): Don't depend on
        SETUP_INCOMING_VARARGS.
        * targhooks.h: Remove the prototype for
        default_promote_function_return and
        default_promote_prototypes.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (SHARED_SECTION_ASM_OP): Poison.
        * varasm.c (data_section): Don't use SHARED_SECTION_ASM_OP.
        * doc/tm.texi (SHARED_SECTION_ASM_OP): Remove.

2004-02-07  Zack Weinberg  <zack@codesourcery.com>

        Bug 13856
        * c-decl.c (diagnose_mismatched_decls): Only give special
        treatment when olddecl is DECL_BUILT_IN, if C_DECL_INVISIBLE
        is also true.
        (merge_decls): Don't clear DECL_BUILT_IN_CLASS and
        DECL_FUNCTION_CODE when defining a built-in function.
        Don't update DECL_ESTIMATED_INSNS.
        * dwarf2out.c (dwarf2out_decl): Don't ignore built-in
        FUNCTION_DECLs.
        * tree.h: Delete DECL_ESTIMATED_INSNS.
        * tree-inline.c (struct inline_data): Delete inlined_insns field.
        (expand_call_inline, optimize_inline_calls): Don't update
        DECL_ESTIMATED_INSNS nor inlined_insns.
        * cgraphunit.c (cgraph_analyze_function): Don't update
        DECL_ESTIMATED_INSNS.

2004-02-07  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (shadow_warning): Delete.
        * c-common.h (free_parser_stacks, shadow_warning, sw_kind): Delete.
        * c-decl.c (warn_if_shadowing): Issue shadow warnings directly.
        * c-opts.c (c_common_parse_file): Don't call free_parser_stacks.
        * c-parse.in (free_parser_stacks): Delete.

2004-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
        Use the top level mkinstalldirs, not the one in the gcc subdir.
        * mkinstalldirs: Remove (from the gcc subdir).

2004-02-07  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/13696
        * fold-const.c (fold_convert): New function to provide type
        conversion to the middle-end without using convert.
        (negate_expr, associate_trees, size_diffop, omit_one_operand,
        operand_equal_for_comparison_p, pedantic_omit_one_operand,
        invert_truthvalue, optimize_bit_field_compare, range_binop,
        decode_field_reference, make_range, build_range_check, unextend,
        fold_truthop, extract_muldiv_1, fold_mathfn_compare,
        fold_binary_op_with_conditional_arg, fold_inf_compare,
        fold_single_bit_test, fold, multiple_of_p): Replace all calls to
        convert with calls to fold_convert.

2004-02-07  Jan Hubicka  <jh@suse.cz>

        * genrecog.c (find_operand): add extra argument stop.
        (validate_pattern): Verify that mach_dup is duplicating operand
        defined lexically earlier.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Don't mention MAX_LONG_TYPE_SIZE.
        * system.h (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
        MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Poison.
        * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
        config/ia64/ia64.h, config/ip2k/ip2k.h,
        config/iq2000/iq2000.h, config/mips/iris5.h,
        config/mips/mips.h, config/pa/pa-64.h, config/pa/pa.h,
        config/rs6000/aix51.h, config/rs6000/aix52.h,
        config/rs6000/darwin.h, config/rs6000/rs6000.h,
        config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/sparc.h,
        config/xtensa/xtensa.h: Remove the definitions of
        MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, and/or
        MAX_WCHAR_TYPE_SIZE.
        * doc/tm.texi (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
        MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Remove.

2004-02-07  Stephane Carrez  <stcarrez@nerim.fr>

        PR bootstrap/13990
        * config/m68hc11/m68hc11.md ("doloop_end"): Pass dummy arguments to
        gen_rtx_NE.

2004-02-07  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vt_add_function_parameters): Surround checkings by
        #ifdef ENABLE_CHECKING and #endif.

2004-02-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p, negate_expr): Optimize -(A+B) into
        either (-A)-B or (-B)-A, if A or B is easily negated respectively.
        (fold) <MINUS_EXPR>: Optimize (A*C) - (B*C) -> (A-B)*C for both
        integer types and floating point with unsafe_math_optimizations.
        Add similar optimization for (A*C1) - (A*C2) -> A*(C1-C2).
        Optimize A - B as A + (-B), if B is easily negated.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * c-ppoutput.c, cfganal.c, diagnostic.h, print-rtl.c,
        config/darwin.c, config/darwin.h, config/ia64/ia64-c.c,
        config/m32r/linux.h, config/rs6000/ppc64-fp.c,
        config/sparc/openbsd.h, doc/makefile.texi, doc/passes.texi:
        Update copyright.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * c-ppoutput.c, var-tracking.c: Fix comment typos.

2004-02-06  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Only define for
        glibc 2.3 or better.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL): Change
        to FLOAT_LIB_COMPARE_RETURNS_BOOL.

2004-02-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
        (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
        (SHLIB_MKMAP_OPTS): Delete.
        (TARGET_LIBGCC2_CFLAGS): Add -specs.
        (bispecs): Add rule.
        * config/rs6000/libgcc-ppc64.ver: New file.
        * config/rs6000/ppc64-fp.c (__fixtfdi, __floatditf): New functions.
        (__floatdidf, __floatdisf): Optimize multiply.
        (__fixunstfdi): New function.
        * config/rs6000/rs6000.c (rs6000_complex_function_value): Allow for
        real and imag parts larger than one register.
        (function_arg): Correct type of reg used when fp arg split partially
        to stack.
        * config/rs6000/darwin-ldouble.c: Protect with #if !_SOFT_FLOAT
        and __MACH__ or __powerpc64__.

2004-02-06  Roger Sayle  <roger@eyesopen.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        * builtins.c (expand_builtin_signbit): Use extract_bit_field instead
        of gen_highpart or gen_lowpart when the floating point format is
        wider than the result mode.

2004-02-06  Andrew Pinski  <pinskia@physics.uc.edu>

        * dwarf2out.c (loclabel_num): Move into #ifdef
        DWARF2_DEBUGGING_INFO.

2004-02-06  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_super_template) the 'class' field of
        'struct _objc_super' shall be named 'super_class' #ifdef OBJCPLUS.
        (get_super_receiver): Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (check_eliminable_occurrences): Optimize the reset
        of can_eliminate.
        (eliminate_regs_in_insn): Likewise.

2004-02-06  Daniel Berlin <dberlin@dberlin.org>
            Josef Zlomek  <zlomekj@suse.cz>

        * dwarf2out.c (struct gcc_debug_hooks): Call dwarf2out_begin_function
        at the beginning of function, call dwarf2out_var_location for
        NOTE_INSN_VAR_LOCATION note.
        (struct var_loc_node, struct var_loc_list_def, loclabel_num,
        decl_loc_table): New.
        (lookup_decl_loc): New function.
        (add_var_loc_to_decl): New function.
        (based_loc_descr): Added parameter can_use_fbreg, DW_OP_fbreg is used
        only if can_use_fbreg.
        (mem_loc_descriptor): Added parameter can_use_fbreg, pass it to other
        functions.
        (loc_descriptor): Likewise. Process VAR_LOCATION.
        (concat_loc_descriptor): Call loc_descriptor with can_use_fbreg == true.
        (loc_descriptor_from_tree): Call mem_loc_descriptor with
        can_use_fbreg == true.
        (add_location_or_const_value_attribute): Added parameter enum
        dwarf_attribute attr, generate attribute ATTR.  Create the location list.
        (add_bound_info): Call loc_descriptor with can_use_fbreg == true.
        (gen_formal_parameter_die): Call add_location_or_const_value_attribute
        with attr == DW_AT_location.
        (gen_subprogram_die): Generate the location list for DW_AT_frame_base
        if frame_base_decl is defined and has a location list.
        (gen_variable_die): Call add_location_or_const_value_attribute with
        attr == DW_AT_location.
        (dwarf2out_var_location): New function.
        (dwarf2out_begin_function): New function.
        (dwarf2out_init): Create decl_loc_table.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * loop.c (force_movables): Transitively increase the priorities of
        all insns forces by an insn, not just the first one.

2004-02-06  Josef Zlomek  <zlomekj@suse.cz>
            Daniel Berlin <dberlin@dberlin.org>

        Josef Zlomek  <zlomekj@suse.cz>
        * Makefile.in (var-tracking.o): New.
        * common.opt (fvar-tracking): New.
        * flags.h (flag_var_tracking): New.
        * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
        * opts.c (common_handle_option): Add OPT_fvar_tracking.
        * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
        * rtl.c (note_insn_name): Likewise.
        * rtl.def (VAR_LOCATION): New.
        * rtl.h (NOTE_VAR_LOCATION): New.
        (NOTE_VAR_LOCATION_DECL): New.
        (NOTE_VAR_LOCATION_LOC): New.
        (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
        (variable_tracking_main): New exported function.
        * timevar.def (TV_VAR_TRACKING): New.
        * toplev.c (enum dump_file_index): Added DFI_vartrack.
        (dump_file): "vartrack" was added (-dV).
        (flag_var_tracking): New.
        (f_options): "var-tracking" was added.
        (rest_of_handle_variable_tracking): New function.
        (rest_of_compilation): Run variable tracking.
        (process_options): If user has not specified flag_var_tracking set it
        according to optimize, debug_info_level and debug_hooks.
        * tree.h (frame_base_decl): New.
        * var-tracking.c: New file.
        * config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
        (ia64_override_options): Set flags to run variable tracking in machine
        dependent reorg instead of toplev.c.
        (ia64_reorg): Run variable tracking if wanted.
        * doc/invoke.texi: Mention variable tracking in -dV,
        add and -fvar-tracking.
        * doc/passes.texi: Added variable tracking pass.

        Daniel Berlin <dberlin@dberlin.org>
        * debug.h (struct gcc_debug_hooks): Added var_location debug hook.
        * dbxout.c (dbx_debug_hooks): Likewise.
        (xcoff_debug): Likewise.
        * debug.c (do_nothing_debug_hooks): Likewise.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dwarfout.c (dwarf_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * final.c (final_scan_insn): Call var_location debug hook for each
        NOTE_INSN_VAR_LOCATION.

2004-02-06  Jan Hubicka  <jh@suse.cz>

        * flow.c (update_life_info): Allocate reg_deaths when called from
        scheudler.
        (attempt_auto_inc):  Update life ranges accordingly.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        PR debug/11816
        * dwarf2out.c (gen_decl_die): Handle anonymous struct members.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * cfganal.c (flow_call_edges_add): Never split a libcall block.

2004-02-06  Daniel Berlin  <dberlin@dberlin.org>

        * dwarf2out.c (output_loc_list): Don't use deltas if we have
        a separate line info table in use.
        Use the correct size for terminators.
        (output_die): Use offset, not delta.

2004-02-06  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Remove the pni option from -mfpmath=.

2004-02-06  Jan Hubicka  <jh@suse.cz>

        * recog.c (split_all_insns): Do not update reg info.
        * regrename.c (regrename_optimize): Likewise.
        * toplev.c (rest_of_handle_reorder_blocks): Likewise.
        * flow.c (struct propagate_block_info): Add insn_num field.
        (reg_deaths): New array.
        (life_analysis): Free reg_deaths info.
        (allocate_reg_life_data): Allocate reg_deaths array.
        (propagate_one_insn): Use new array.
        (init_propagate_block): Initialize it.
        (free_propagate_block_info): Finish compuation of
        REG_LIVE_LENGTH
        (attempt_auto_inc): Sanity check that REG_INFO is not
        computed at same time.
        (mark_used_regs): Update new array.

        * reg-stack.c (subst_stack_regs): Unshare clobbers before
        substitution.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/s390/s390.md (*extendsiqi2_short_displ): Change to
        *extendqisi2_short_displ.

2004-02-06  Alan Modra  <amodra@bigpond.net.au>

        * doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
        * calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
        (emit_library_call_value_1): Likewise pass nargs.
        * expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
        * function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
        * config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
        parameter instead of scanning TYPE_ARGS_TYPES to count args.
        * config/rs6000/rs6000-protos.h (init_cumulative_args): Update
        prototype.
        * config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
        (INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
        (INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
        * config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
        INIT_CUMULATIVE_ARGS.
        * config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
        * config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
        config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
        config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
        config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
        config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
        config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
        config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
        config/pa/pa.h, config/pdp11/pdp11.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * genemit.c (gen_exp) [CONST_INT]: Use const_int_rtx whenever
        possible.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (eliminate_regs_in_insn): If a set has a REG_EQUAL
        note containing (plus (reg) (const_int)), where reg is an
        eliminable reg, then perform the register elimination without
        depending on eliminate_regs().

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.c (arc_return_in_memory): Check the return
        value of int_size_in_bytes against -1.  Don't check
        TREE_ADDRESSABLE.
        * config/avr/avr.c (avr_return_in_memory): Check the return
        value of int_size_in_bytes against -1.
        * config/ip2k/ip2k.c (ip2k_return_in_memory): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_return_in_memory):
        Likewise.
        * config/mcore/mcore.c (mcore_return_in_memory): Likewise.
        * config/stormy16/stormy16.c (xstormy16_return_in_memory):
        Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Remove the prototype for
        frv_setup_incoming_varargs.
        * config/frv/frv.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (frv_setup_incoming_varargs): Make it static.
        * config/frv/frv.h (SETUP_INCOMING_VARARGS): Remove.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30-protos.h: Remove the prototype for
        fr30_setup_incoming_varargs.
        Update the prototypes for fr30_num_arg_regs and
        fr30_function_arg_partial_nregs.
        * config/fr30/fr30.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (fr30_setup_incoming_varargs): Make it static.
        Add argument second_time.  Don't do anything when second_time
        is nonzero.
        (fr30_num_arg_regs): Change the type of the first argument to
        enum machine_mode.
        (fr30_function_arg_partial_nregs): Change the type of the
        second argument to enum machine_mode.
        * config/fr30/fr30.h (STRUCT_VALUE): Remove.
        (SETUP_INCOMING_VARARGS): Remove.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc-protos.h: Remove the prototype for
        arc_setup_incoming_varargs.
        * config/arc/arc.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (arc_setup_incoming_varargs): Make it static.
        (arc_external_libcall): Likewise.
        * config/arc/arc.h (SETUP_INCOMING_VARARGS): Remove.
        Remove the commented-out definition of
        ASM_OUTPUT_EXTERNAL_LIBCALL.

2004-02-05  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

        * config/sh/t-linux (SHLIB_INSTALL): Prepend $$(DESTDIR)
        to $$(slibdir) in the installation commands.

2004-02-05  David Edelsohn  <edelsohn@gnu.org>

        * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs
        with inner_regno, not regno.
        * rtlanal.c (refers_to_regno_p): Same.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Remove i370 support.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi:  Update automake and autoconf version
        requirements.  Note where to find gcj automake version.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (generate-manpages): Move dependencies to ...
        (man): here.
        * doc/makefile.texi: Document new targets.
        * doc/sourcebuild.texi (Make-lang.in): Document new langhooks.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        PR/13485
        Makefile.in (srcextra):  Add a level of indirection to ...
        (gcc.srcextra): ... here.
        (po-generated): Delete.
        (po/$(PACKAGE).pot: Use srcextra instead of po-generated.  Depend on
        options.c.
        (start.encap): Remove superfluous lang.srcextra dependency.
        objc/Make-lang.in (po-generated):  Delete.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c (REG_GP): Remove.

2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.

2004-02-05  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (force_type_die): Look up input type itself
        instead of root_type() of type.

2004-02-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*tmqidi_ext"): New insn.
        ("*extendqidi2_short_displ", "*extendsiqi2_short_displ"): Old
        pre-reload splitters are transformed to post-reload
        define_insn_and_split patterns.
        ("*tmqisi_ext"): Renamed old "*tmqi_ext".

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.h: Replace PROMOTE_PROTOTYPES with
        TARGET_PROMOTE_PROTOTYPES.

2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR middle-end/13750
        Revert:
        2004-01-15  Geoffrey Keating  <geoffk@apple.com>
        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.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.

2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to
        msgid.

2004-02-05  Dorit Naishlos  <dorit@il.ibm.com>

        * config/rs6000/altivec.md (*movv4si_internal): At least one
        operand must be altivec_register_operand.
        (*movv8hi_internal1): Likewise.
        (*movv16qi_internal1): Likewise.
        (*movv4sf_internal1): Likewise.

2004-02-05  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac (gcc_cv_as_powerpc_mfcrf): Correct test for mfcr.
        * configure: Regenerate.

2004-02-05  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/install.texi: Update description of --gxx-include-dir to
        give correct default value.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_BASE_NONSTRICT_P): Replace
        8 with MAC_REG.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pa/pa.c (emit_hpdiv_const): Replace gen_rtx with
        gen_rtx_PARALLEL.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c: Update the comment about the file.

2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * sourcebuild.texi (Test Idioms): Update testcase naming
        conventions.

2004-02-04  Per Bothner  <per@bothner.com>

        Partially revert/redo 2003-10-01 change; fix -fworking-directory.
        * c-ppoutput.c (pp_dir_change):  New function.
        * c-common.h (pp_dir_change):  New declaration.
        * cpplib.h (struct cpp_options):  Remove working_directory field.
        * cppinit.c (cpp_find_main_file, cpp_push_main_file):  Merge back to
        (cpp_read_main_file):  as before 10-01.  Call _cpp_stack_file.
        Don't handle -fworking_directory here, but in c_common_post_options.
        (read_original_directory): Don't back up when done.
        Don't clear no-longer used working_directory flag.
        * cpplib.h:  Update declarations to match.
        * c-lex.c (cb_dir_change):  Move to c-opts.c.
        (init_c_lex):  Don't set dir_change callback here, since we want
        to set it even if flag_preprocess_only.
        * c-opts.c (cb_dir_change):  Function moved from c-lex.c.
        (c_common_post_options):  Set dir_change callback.
        Call pp_dir_change if approporiate.
        (finish_options):  Don't call cpp_find_main_file here.  Hence remove
        unneeded parameter and result. Do LC_RENAME for <built-in>.
        (c_common_post_options):  Call cpp_read_main_file here instead.
        (c_common_init):  Update accordingly.
        (push_command_line_include):  Don't cpp_push_main_file.
        Do LC_RENAME rather than LC_LEASE to get back to main file.
        Compared to pre-10-01 version, inline cpp_rename_to_main_file.
        (c_common_parse_file):  Call cpp_read_main_file for subsequent main
        files, but call finish_options for all files.
        * c-opts.c (sanitize_cpp_opts):  Don't set cpp_opts->working_directory.
        * fix-header.c (read_scan_file):  Call cpp_read_main_file instead of
        cpp_find_main_file + cpp_push_main_file.
        * c-lex.c (fe_file_change):  Don't set main_input_filename here.
        * opts.c (handle_options):  Only set main_input_filename first time.

2004-02-05  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.h (REG_CLASS_NAMES): Add missing comma.

2004-02-04  Geoffrey Keating  <geoffk@apple.com>

        * reload.c (find_equiv_reg): When checking for register overlap,
        don't index hard_regno_nregs with a pseudo-reg.

2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().

2004-02-04  David Edelsohn  <edelsohn@gnu.org>

        * reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
        against FIRST_PSEUDO_REGISTER.

2004-02-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in: Move target, host overrides after per-language
        fragments.

        * config/mips/t-iris5-as (FORCE_DEBUG_ADAFLAGS): Clear.
        (GNATLIBCFLAGS): Remove -g.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
        config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
        config/ia64/ia64.c, config/ia64/unwind-ia64.c,
        config/m32r/m32r.c, config/ns32k/ns32k.c, config/pa/pa.c,
        config/pdp11/pdp11.c, config/rs6000/rs6000.c,
        config/sparc/sparc.c, config/vax/vax.c: Revert the
        replacements of "FALLTHRU" with "Fall through" done in the
        previous patch.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
        config/arm/arm.c, config/arm/arm.md,
        config/cris/cris-protos.h, config/fr30/fr30.c,
        config/fr30/fr30.h, config/h8300/h8300.c, config/i386/i386.h,
        config/i860/i860.c, config/i860/i860.h, config/ia64/ia64-c.c,
        config/ia64/ia64.c, config/ia64/ia64.h, config/ip2k/ip2k.h,
        config/ip2k/ip2k.md, config/ip2k/libgcc.S,
        config/m32r/linux.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68k/m68k.c, config/m68k/netbsd-elf.h,
        config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.md,
        config/ns32k/netbsd.h, config/ns32k/ns32k.c,
        config/ns32k/ns32k.h, config/pdp11/pdp11.h,
        config/rs6000/darwin-ldouble.c, config/s390/s390.h,
        config/s390/s390.md, config/sparc/netbsd-elf.h,
        config/sparc/openbsd.h, config/sparc/sparc.c,
        config/xtensa/lib2funcs.S: Fix comment formatting.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arc/arc.c,
        config/arm/arm-cores.def, config/arm/arm.c, config/arm/arm.h,
        config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
        config/arm/arm926ejs.md, config/arm/vfp.md, config/avr/avr.c,
        config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.md,
        config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
        config/ia64/ia64.c, config/ia64/unwind-ia64.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
        config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
        config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.h, config/sparc/sparc.c,
        config/vax/vax.c: Fix comment typos.  Follow spelling
        conventions.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
        caller-save.c, df.h, genconfig.c, global.c, lcm.c,
        ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
        sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
        config/arm/fpa.md, config/arm/iwmmxt.md,
        config/arm/netbsd-elf.h, config/arm/netbsd.h,
        config/m68hc11/m68hc11.md, config/mips/iris5.h,
        config/mn10300/mn10300.md, config/rs6000/altivec.md,
        config/sparc/netbsd-elf.h: Update copyright.

2004-02-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
        for all modes whose size is greater than 8 bytes if ARCH32.
        (sparc_va_arg): Handle all modes whose size is greater than 8 bytes
        by reference if ARCH32.

2004-02-04  Aldy Hernandez  <aldyh@redhat.com>

        * cgraphunit.c (cgraph_postorder): Fix typo in comment.

2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*la_64" + peepholes, "reload_indi"): Move
        to before adddi3 insn patterns.
        ("*la_31" + peepholes, "*la_31_and", "*la_31_and_cc", "force_la_31",
        "reload_insi"): Move to before addsi3 insn patterns.

2004-02-04  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
        parameter.  Use it instead of current_function_is_thunk.
        * function.h (struct function): Update documentation for is_thunk.
        * tree.h (CALL_FROM_THUNK_P): New macro.
        * config/alpha/alpha.c (alpha_sa_mask): Do not check
        no_new_pseudos when testing current_function_is_thunk.
        * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Replace SETUP_INCOMING_VARARGS with
        TARGET_SETUP_INCOMING_VARARGS.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_rtx): Remove.
        * genattrtab.c: Don't mention gen_rtx in a comment.
        * rtl.h: Remove the prototype for gen_rtx.
        * doc/md.texi: Replace gen_rtx with gen_rtx_REG.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.h, config/fr30/fr30.h
        (SETUP_INCOMING_VARARGS): Remove the target-independent
        comments.
        * doc/tm.texi: Don't mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
        target-independent comment.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
        mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Remove obsolete ports and configurations.
        * config/linux-aout.h, config/netware.h,
        config/t-linux-gnulibc1, config/d30v/abi,
        config/d30v/d30v-protos.h, config/d30v/d30v.c,
        config/d30v/d30v.h, config/d30v/d30v.md,
        config/d30v/libgcc1.asm, config/d30v/t-d30v,
        config/dsp16xx/dsp16xx-modes.def,
        config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
        config/i370/README, config/i370/i370-c.c,
        config/i370/i370-protos.h, config/i370/i370.c,
        config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
        config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
        config/i386/freebsd-aout.h, config/i386/linux-aout.h,
        config/i386/moss.h, config/i386/netware.h,
        config/i386/svr3.ifile, config/i386/svr3dbx.h,
        config/i386/svr3gas.h, config/i386/svr3z.ifile,
        config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
        config/i960/i960-c.c, config/i960/i960-coff.h,
        config/i960/i960-modes.def, config/i960/i960-protos.h,
        config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
        config/i960/rtems.h, config/i960/t-960bare,
        config/m68k/hp310.h, config/m68k/hp320.h,
        config/m68k/hp320base.h, config/m68k/m68kv4.h,
        config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
        Remove.
        * doc/extend.texi, doc/install.texi, doc/invoke.texi,
        doc/md.texi: Remove mentions of obsolete ports.

2004-02-04  Jan Hubicka  <jh@suse.cz>

        * alias.c (find_base_term, get_addr):  Do not dereference NULL
        pointer when all VALUE's locations has been invalidated.
        (rtx_equal_for_memref_p): Simplify checking of VALUEs.

2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org>

        * doc/invoke.texi (x86 options): Fix spelling/wording.

2004-02-03  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
        put the original string in a comment.
        * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
        * config/mips/mips.c (mips_output_ascii): Likewise.
        * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (GIV_SORT_CRITERION): Poison.
        * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
        * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.

2004-02-03  Roger Sayle  <roger@eyesopen.com>

        PR target/9348
        * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
        multiplies with a multiplication of the wrong signedness, its the
        signedness of the multiplication that we've performed that needs to
        be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
        if expand_mult_highpart_adjust places the result in target.

2004-02-03  Richard Henderson  <rth@redhat.com>

        * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.

2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh[234]l): Use little endian fragments.

2004-02-03  Paul Koning  <pkoning@equallogic.com>

        * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
        * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
        * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
        encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
        floating point format.
        (pdp11_f_format, pdp11_d_format): New real_format descriptors for
        the above functions.
        (output_move_quad): Output float values in correct target format.
        (legitimate_const_double_p): New function.
        * config/pdp11/pdp11.h: Fix typos.
        (FLOAT_WORDS_BIG_ENDIAN): Add definition.
        (TARGET_FLOAT_FORMAT): Ditto.
        (pdp11_f_format, pdp11_d_format): Add external declarations.
        (MAX_REGS_PER_ADDRESS): Corrected.
        (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
        (PRINT_OPERAND): Output float literals in target format.

2004-02-03  Mark Mitchell  <mark@codesourcery.com>

        PR c++/13975
        * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
        TI_PRIVATE.
        (access_public_node): Redefine.
        (access_protected_node): Likewise.
        (access_private_node): Likewise.
        * tree.c (build_common_tree_nodes): Create access_public_node,
        access_protected_node, and access_private_node.

2004-02-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
        (MASK_INLINE_INT_DIV_THR): Ditto.
        (MASK_INLINE_SQRT_LAT): Ditto.
        (MASK_INLINE_SQRT_THR): Ditto.
        (MASK_DWARF2_ASM): Ditto.
        (MASK_EARLY_STOP_BITS): Ditto.

2004-02-02  Paul Brook  <paul@codesourcery.com>

        Merge from csl-arm-branch.

        2004-01-30  Paul Brook  <paul@codesourcery.com>

        * aof.h (REGISTER_NAMES): Add vfp reg names
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * aout.h (REGISTER_NAMES): Ditto.
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * arm-protos.h: Update/Add Prototypes.
        * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
        Only allow 0.0 for VFP.
        (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
        (values_fp): Rename from values_fpa.  Update Users.
        (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
        Update users.  Only check valid constants for this hardware.
        (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
        Only allow consts for FPA.
        (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
        Only allow consts for FPA.
        (use_return_insn): Check for saved VFP regs.
        (arm_legitimate_address_p): Handle VFP DFmode addressing.
        (arm_legitimize_address): Ditto.
        (arm_general_register_operand): New function.
        (vfp_mem_operand): New function.
        (vfp_compare_operand): New function.
        (vfp_secondary_reload_class): New function.
        (arm_float_compare_operand): New function.
        (vfp_print_multi): New function.
        (vfp_output_fstmx): New function.
        (vfp_emit_fstm): New function.
        (arm_output_epilogue): Output VPF reg restore code.
        (arm_expand_prologue): Output VFP reg save code.
        (arm_print_operand): Add 'P'.
        (arm_hard_regno_mode_ok): Return modes for VFP regs.
        (arm_regno_class): Return classes for VFP regs.
        (arm_compute_initial_elimination_offset): Include space for VFP regs.
        (arm_get_frame_size): Ditto.
        * arm.h (FIXED_REGISTERS): Add VFP regs.
        (CALL_USED_REGISTERS): Ditto.
        (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
        (FIRST_VFP_REGNUM): Define.
        (LAST_VFP_REGNUM): Define.
        (IS_VFP_REGNUM): Define.
        (FIRST_PSEUDO_REGISTER): Include VFP regs.
        (HARD_REGNO_NREGS): Handle VFP regs.
        (REG_ALLOC_ORDER): Add VFP regs.
        (enum reg_class): Add VFP_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.
        (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
        (REG_CLASS_FROM_LETTER): Add 'w'.
        (EXTRA_CONSTRAINT_ARM): Add 'U'.
        (EXTRA_MEMORY_CONSTRAINT): Define.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
        (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
        (REGISTER_MOVE_COST): Ditto.
        (PREDICATE_CODES): Add arm_general_register_operand,
        arm_float_compare_operand and vfp_compare_operand.
        * arm.md (various): Rename as above.
        (divsf3): Enable when TARGET_VFP.
        (divdf3): Ditto.
        (movdfcc): Ditto.
        (sqrtsf2): Ditto.
        (sqrtdf2): Ditto.
        (arm_movdi): Disable when TARGET_VFP.
        (arm_movsi_insn): Ditto.
        (movsi): Only split with general regs.
        (cmpsf): Use arm_float_compare_operand.
        (push_fp_multi): Restrict to TARGET_FPA.
        (vfp.md): Include.
        * vfp.md: New file.
        * fpa.md (various): Rename as above.
        * doc/md.texi: Document ARM w and U constraints.

        2004-01-15  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Add with_fpu.  Allow with-float=softfp.
        * config/arm/arm.c (arm_override_options): Rename *-s to *s.
        Break out of loop when we find a float-abi.  Fix typo.
        * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
        Set -mfloat-abi=.
        * doc/install.texi: Document --with-fpu.

        2003-01-14  Paul Brook  <paul@codesourcery.com>

        * config.gcc (with_arch): Add armv6.
        * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
        * config/arm/arm.c (arm_overrride_options): Ditto.

        2004-01-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
        (FL_ARCH6): Renamed from FL_ARCH6J.
        (arm_arch3m): Renamed from arm_fast_multiply.
        (arm_arch6): Renamed from arm_arch6j.
        * arm.h: Update all uses of above.
        * arm-cores.def: Likewise.
        * arm.md: Likewise.

        * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
        not arm6j.  Add entry for arch armv6.

        2004-01-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_emit_extendsi): Delete.
        * arm-protos.h (arm_emit_extendsi): Delete.
        * arm.md (zero_extendhisi2): Also handle zero-extension of
        non-subregs.
        (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
        (thumb_zero_extendhisi2): Only match if not v6.
        (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
        (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
        (thumb_extendqisi2): Likewise.
        (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
        (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
        (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
        (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
        (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
        (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
        (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
        (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
        (arm_extendqisi2addsi): Likewise.

        2003-12-31  Mark Mitchell  <mark@codesourcery.com>

        Revert this change:
        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        2003-12-30  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
        CONSTANT_P_RTX.

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * longlong.h: protect arm inlines with !defined (__thumb__)

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.

        2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
        change.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Add pretend args size
        to the virtual incoming args pointer for downward stacks.

        2003-12-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-cores.def: Add cost function.
        * config/arm/arm.c (arm_*_rtx_costs): New functions.
        (arm_rtx_costs): Remove
        (struct processors): Add rtx_costs field.
        (all_cores, all_architectures): Ditto.
        (arm_override_options): Set targetm.rtx_costs.
        (thumb_rtx_costs): New function.
        (arm_rtx_costs_1): Remove cases handled elsewhere.
        * config/arm/arm.h (processor_type): Add COSTS parameter.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
        (arm926ejs.md): Include it.
        * config/arm/arm926ejs.md: New pipeline description.

        2003-12-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_arch6j): New variable.
        (arm_override_options): Set it.
        (arm_emit_extendsi): New function.
        * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
        * config/arm/arm.h (arm_arch6j): Declare.
        * config/arm/arm.md: Add sign/zero extend insns.

        2003-12-23  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (all_architectures): Add armv6.
        * doc/invoke.texi: Document it.

        2003-12-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
        insn patterns to match.
        * config/arm/arm-generic.md: Ditto.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/amm/iwmmxt.md: Ditto.
        * config/arm/arm1026ejs.md: Ditto.
        * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
        for 11_loadb.

        2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
        * config/arm/arm.c (arm_adjust_cost): Check shift cost for
        TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
        (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
        arm_no_early_mul_dep): Correctly deal with conditional execution,
        parallels and single shift operations.
        (arm_no_early_alu_shift_value_dep): Define.
        * arm.md (attr type): Replace 'normal' with 'alu',
        'alu_shift' and 'alu_shift_reg'.
        (attr core_cycles): Adjust.
        (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
        *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
        *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
        *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
        *arith_shiftsi_compare0_scratch, *sub_shiftsi,
        *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
        *if_shift_move, *if_move_shift, *if_shift_shift): Set type
        attribute appropriately.
        * config/arm/arm1026ejs.md (alu_op): Adjust.
        (alu_shift_op, alu_shift_reg_op): New.
        * config/arm/arm1136.md: Add better bypasses for early
        registers. Remove load[234] and store[234] bypasses.
        (11_alu_op): Adjust.
        (11_alu_shift_op, 11_alu_shift_reg_op): New.

        2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
        * config/arm/arm.c (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
        * config/arm/arm1026ejs.md: Add load-store bypass.
        * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
        Add bypasses between instructions.

        2003-12-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_fpu_model): New variable.
        (arm_fload_abi): New variable.
        (target_fpe_name): Rename from target_fp_name.
        (target_fpu_name): New variable.
        (arm_is_cirrus): Remove.
        (fpu_desc): New struct.
        (all_fpus): Define.
        (pf_model_for_fpu): Define.
        (all_loat_abis): Define.
        (arm_override_options): Set fp arch flags based on -mfpu=
        and -float-abi=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (*): Use new TARGET_* flags.
        * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
        (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
        (TARGET_SOFT_FLOAT): Ditto.
        (TARGET_SOFT_FLOAT_ABI): New.
        (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
        TARGET_HARD_FLOAT.
        (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
        (TARGET_OPTIONS): Add -mfpu=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (arm_pf_model): Define.
        (arm_float_abi_type): Define.
        (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
        * config/arm/arm.md: Use new TARGET_* flags.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
        * config/arm/semi.h (ASM_SPEC): Ditto.
        * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
        (FPUTYPE_DEFAULT): Set to VFP.
        * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.

        2003-11-22  Phil Edwards  <phil@codesourcery.com>

        PR target/12476
        * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
        'bx' instead of 'b' to avoid branch range restrictions.  Output
        the thunk immediately before the thunked-to function.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
        .thumb_func if a thunk is being generated.  Emit .code 16 along
        with .thumb_func if a thunk is not being generated.

        2003-11-15  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
        arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
        * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
        (lshrdi3_iwmmxt): Renamed from lshrdi3.
        * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.

        2003-11-12  Steve Woodford  <scw@wasabisystems.com>
            Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
        code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).

        2003-11-05  Phil Edwards  <phil@codesourcery.com>

        * config/arm/arm.md (insn):  Add new V6 instruction names.
        (generic_sched):  New attr.
        * config/arm/arm-generic.md:  Use generic_sched here.
        * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
        stages of pipeline.  Adjust latency counts accordingly.
        * config/arm/arm1136jfs.md:  New file.

        2003-10-28  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (processor_type): New enumeration type.
        (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
        ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
        (CPP_CPU_ARCH_SPEC): Likewise.
        * config/arm/arm.c (arm_tune): New variable.
        (all_cores): Use cores.def.
        (all_architectures): Add representative processor.
        (arm_override_options): Restructure way in which tuning
        information is deduced.
        * arm.md: Update "insn" and "type" attributes throughout.
        (insn): New attribute.
        (type): Compute "mult" from "insn" attribute.  Add load2,
        load3, load4 alternatives.
        (arm automaton): Move to arm-generic.md.
        * config/arm/arm-cores.def: New file.
        * config/arm/arm-generic.md: Likewise.
        * config/arm/arm1026ejs.md: Likewise.

2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Remove -mflat and
        all -mxxx (xxx:chip) options.
        * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
        * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
        * config/sparc/sparc.c: Likewise.
        (sparc_output_function_prologue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
        (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
        (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
        (sparc_flat_must_save_register_p): Likewise.
        (sparc_flat_compute_frame_size): Likewise.
        (sparc_flat_save_restore): Likewise.
        (sparc_flat_function_prologue): Likewise.
        (sparc_flat_function_epilogue): Likewise.
        (sparc_flat_epilogue_delay_slots): Likewise.
        (sparc_flat_eligible_for_epilogue_delay): Likewise.
        (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
        * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
        (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
        (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
        (CONDITIONAL_REGISTER_USAGE): Likewise.
        (FRAME_POINTER_REQUIRED): Likewise.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (BASE_RETURN_VALUE_REG): Likewise.
        (BASE_OUTGOING_VALUE_REG): Likewise.
        (BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        (INCOMING_REGNO): Likewise.
        (OUTGOING_REGNO): Likewise.
        (LOCAL_REGNO): Likewise.
        (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
        (EPILOGUE_USES): Likewise.
        * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
        ("flat" attribute): Delete.
        (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
        handling.
        (call followed by jump define_peephole's): Delete.
        (exception_receiver): Likewise.
        (builtin_setjmp_receiver): Likewise.
        * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.

2004-02-03  Paolo Bonzini  <bonzini@gnu.org>

        PR c/11658
        PR c/13994
        * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
        on langhooks.h.
        * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
        * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
        Include langhooks.h.  Replace c_common_truthvalue_conversion
        with the truthvalue_conversion language hook throughout.
        (expr_no_commas): Call default_conversion before save_expr
        for the first term of the production 'x ? : y'.
        * c-common.c (c_common_truthvalue_conversion): Remove
        obsolete block.  Invoke recursively the hook instead
        of this function.
        * c-convert.c (convert): handle ERROR_MARK_NODE.
        * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
        returned by the truthvalue_conversion language hook.
        * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.
        * c-objc-common.c (c_objc_common_truthvalue_conversion):
        New function.
        * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
        * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
        of gen_rtx.
        (LIBCALL_VALUE): Likewise.
        * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
        gen_rtx_CC0 instead of gen_rtx.
        * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
        gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
        (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
        gen_rtx.
        (m68hc11_emit_logical): Likewise.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
        config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
        config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
        config/m32r/m32r.md, config/m68hc11/m68hc11.c,
        config/mips/mips.md, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/mn10300/mn10300.md,
        config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
        config/rs6000/altivec.md, config/s390/s390.c,
        config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
        config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
        Use const0_rtx instead of GEN_INT (0).  Do the same for other
        constants that are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * doloop.c, optabs.c, regmove.c, sched-deps.c,
        config/i386/i386.c, config/i386/i386.md: Use const0_rtx
        instead of GEN_INT (0).  Do the same for other constants that
        are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
        instead of gen_rtx.
        * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
        gen_rtx_ASHIFT instead of gen_rtx.
        (udivmodqi4): Likewise.

2004-02-02  Richard Henderson  <rth@redhat.com>

        PR target/13789
        * expr.c (store_expr): Use force_operand before emit_move_insn.

2004-02-02  Jeff Law  <law@redhat.com>
            Roger Sayle  <roger@eyesopen.com>

        * tree.c (commutative_tree_code, associative_tree_code): New
        functions.
        (iterative_hash_expr): Use commutative_tree_code.
        * tree.h (commutative_tree_code, associative_tree_code): Declare.
        * fold-const.c (operand_equal_p): Use commutative_tree_code
        rather than inlining the commutativity check.
        (fold): Likewise.

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

        * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
        * config/frv/frv-protos.h: Remove the prototype for
        frv_function_arg_keep_as_reference.
        * config/frv/frv.c (frv_function_arg_keep_as_reference):
        Remove.
        * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
        * config/stormy16/stormy16.h: Remove the commented-out
        definition of FUNCTION_ARG_KEEP_AS_REFERENCE.

2004-02-03  Alan Modra  <amodra@bigpond.net.au>

        PR target/13914
        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
        for retaddr_column.

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

        * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
        gen_rtx.

2004-02-02  Eric Christopher  <echristo@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (c_common_handle_option): Add -finput-charset.
        * c.opt: Ditto.
        * cppcharset.c (one_iso88591_to_utf8): Remove.
        (convert_iso88591_utf8): Ditto.
        (conversion_tab): Remove 8859-1 converter.
        (_cpp_input_to_utf8): Remove.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        (_cpp_convert_input): New function.
        (_cpp_default_encoding): Ditto.
        * cpphash.h: Add/remove prototypes for above.
        * cppfiles.c (read_file_guts): Use _cpp_convert_input.
        * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
        for narrow execution and input character sets.
        * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
        * doc/cppopts.texi: Document -finput-charset.

2004-02-02  David Edelsohn  <edelsohn@gnu.org>

        * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
        against FIRST_PSEUDO_REGISTER.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Further improve.

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

        * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
        config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/mips/mips.c,
        config/rs6000/rs6000.c, config/rs6000/rs6000.md,
        config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
        config/v850/v850.md: Fix indentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Align TImode
        arguments on a 16-byte boundary in the parameter array if ARCH64.
        Split handling of TFmode.

2004-02-02  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
        Don't test CONSTANT_P (x).
        (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
        ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
        Fix misindentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.

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

        * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
        config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
        config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
        config/mn10300/mn10300.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
        config/stormy16/stormy16.c, config/v850/v850.md,
        config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (block_move_sequence): Replace
        gen_rtx_CONST_INT with GEN_INT.

2004-02-02  Jan Hubicka  <jh@suse.cz>

        * alias.c (record_set): Use hard_regno_nregs.
        * bt-load.c (find_btr_reference, note_btr_set): Likewise.
        * builtins.c (apply_args_size): Likewise.
        * caller-save.c (setup_save_areas, save_call_clobbered_regs,
        mark_set_regs, add_stored_regs, mark_referenced_regs,
        insert_restore, insert_save, insert_one_insn): Likewise.
        * cfgcleanup.c: Include regs.h
        (mark_effect, mentions_nonequal_regs): Likewise.
        * cfgrtl.c (mark_killed_regs): Likewise
        * combine.c (update_table_tick, record_value_for_reg,
        record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
        reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
        reg_bitfield_target_p, distribute_notes): Likewise.
        * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
        exp_equiv_p, cse_insn): Likewise.
        * cselib.c (cselib_lookup): Likewise.
        (cselib_invalidate_regno, cselib_record_set): Likewise.
        * df.c (df_ref_record): Likewise.
        * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
        Likewise.
        * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
        count_or_remove_death_notes_bb): Likewise.
        * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
        * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
        mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
        * integrate.c (mark_stores): Likewise.
        * jump.c (delete_prior_computation): Likewise.
        * lcm.c (reg_dies, reg_becomes_live): Likewise.
        * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
        * loop.c (LOOP_REGNO_NREGS): Likewise.
        * postreload.c (reload_combine, reload_combine_note_store,
        reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
        * ra-colorize.c (combine, color_usable_p, get_free_reg,
        calculate_dont_begin, calculate_dont_begin, colorize_one_web,
        try_recolor_web, insert_coalesced_conflicts, check_colors,
        break_precolored_alias): Likewise.
        * ra-debug.c: Include regs.h
        (ra_print_rtx_object): Likewise.
        * ra-rewrite (choose_spill_colors): Likewise.
        (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
        * ra.c (init_ra): Likewise.
        * recog.c (reg_fits_class_p, peep2_reg_dead_p,
        peep2_find_free_register): Likewise.
        * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
        * regclass.c (hard_regno_nregs): New array.
        (init_reg_modes_once): Initialize it.
        (choose_hard_reg_mode): Use it.
        (record_reg_classes): Likewise.
        * regmove.c (mark_flags_life_zones): Likewise.
        * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
        scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
        copy_value, maybe_mode_change, find_oldest_value_reg,
        copyprop_hardreg_forward_1):
        * regs.h (hard_regno_nregs): Declare.
        * realod.c (reload_inner_reg_of_subreg): Use it.
        (push_reload, combine_reloads, find_dummy_reload,
        hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
        refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
        reload_adjust_reg_for_mode): Likewise.
        * reload1.c (compute_use_by_pseudos, count_pseudo,
        count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
        spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
        clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
        allocate_reload_reg, choose_reload_regs, emit_reload_insns,
        delete_output_reload): Likewise.
        * resource.c (update_live_status, mark_referenced_resources,
        mark_set_resources, mark_target_live_regs): Likewise.
        * rtlanal.c:  Include regs.h
        (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
        dead_or_set_regno_p, find_regno_note, find_reg_fusage,
        subreg_regno_offset, subreg_offset_representable_p,
        hoist_test_store): Likewise.
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
        * sched-rgn.c (check_live_1, update_live_1): Likewise.
        * stmt.c: Include regs.h
        (decl_conflicts_with_clobbers_p): Likewise.
        * varasm.c (make_decl_rtl): Likewise.
        * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
        config/arm/linux-gas.h, config/arm/netbsd-elf.h,
        config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
        config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
        config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
        config/iq2000/iq2000.h, config/m32r/m32r.c,
        config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
        config/m68hc11/m68hc11.md, config/m68k/m68k.md,
        config/mcore/mcore.c, config/mcore/mcore.h,
        config/mcore/mcore.md, config/mips/mips.c,
        config/ns32k/ns32k.h, config/ns32k/ns32k.md,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
        config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
        "gen_rtx (FOO, " with "gen_rtx_FOO (".

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (two peephole2's): New.

2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
        (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
        (ASM_CPU_SPEC): Likewise
        * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
        (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
        isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
        (expand_builtin): Always call expand_builtin_pow.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
        BUILT_IN_SIGNBITL): New GCC builtins.
        * builtins.c (expand_builtin_signbit): New function to RTL expand
        calls to signbit, signbitf and signbitl as inline intrinsics.
        (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
        (fold_builtin_signbit): New function to perform constant folding
        of signbit, signbitf and signbitl.
        (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.

        * doc/extend.texi: Document new signbit{,f,l} builtins.

2004-02-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.

2004-02-01  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (PREDICATE_CODES): Remove entries for
        "mips_const_double_ok" and "simple_memory_operand", which were
        removed from the MIPS port with the mips-3_4-rewrite branch merge.
        * config/mips/mips.c (mips16_lay_out_constants): Update comment
        for removal of simple_memory_operand.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.md: Use GEN_INT instead of
        gen_rtx (CONST_INT, ...).

2004-01-31  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_pool): Don't zap the pool.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (decision_type): Add DT_const_int.
        (write_cond) [DT_const_int]: Print a comparison against small
        constant.
        (write_node): Simplify comparisons against small constants
        before printing tests.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.c (default_strict_argument_naming): Rename to
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.h: Update the prototype for
        default_strict_argument_naming.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * config/sh/sh.h: Likewise.
        * config/sh/sh.md: Likewise.

2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Restructure and update.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
        STRICT_ARGUMENT_NAMING): Poison.
        * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
        hook_bool_tree_false.
        * targhooks.c (default_promote_function_args): Remove.
        (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
        Don't check incoming.
        (default_strict_argument_naming): Don't use
        STRICT_ARGUMENT_NAMING.
        * targhooks.h: Remove the prototype for
        default_promote_function_args.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Remove the prototype for
        ix86_setup_incoming_varargs.
        * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (ix86_setup_incoming_varargs): Make it static.
        * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * alloc-pool.c: Fix comment typos.
        * builtin-types.def: Likewise.
        * builtins.def: Likewise.
        * c-pretty-print.c: Likewise.
        * df.h: Likewise.
        * reload1.c: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Follow spelling conventions.
        * doc/tm.texi: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/install.texi: Fix typos.
        * doc/invoke.texi: Likewise.

2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Do not treat virtual
        registers as pointers.
        * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.

2004-01-31  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_for_combine): Adjust all callers to go through
        gen_lowpart.
        * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_if_possible): Adjust all callers to go through
        gen_lowpart.
        * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
        (gen_lowpart): Declare as pointer to function, initialized to
        gen_lowpart_general.
        * rtl.h (gen_lowpart): Declare as pointer to function.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * calls.c: Likewise.
        * emit-rtl.c: Likewise.
        * function.c: Likewise.
        * reload1.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt.c: Likewise.

2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>

        PR bootstrap/9249
        * doc/install.texi: document --enable-__cxa_atexit option.
        * configure.ac: Disable __cxa_atexit if not supported.
        * configure: Regenerate.

2004-01-30  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c (ggc_free): New function.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
        cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
        flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
        ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
        tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
        config/alpha/alpha.c, config/alpha/alpha.h,
        config/alpha/alpha.md, config/alpha/unicosmk.h,
        config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
        config/c4x/c4x-protos.h, config/c4x/c4x.md,
        config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
        config/frv/frvend.c, config/i386/cygming.h,
        config/i386/djgpp.h, config/i386/emmintrin.h,
        config/i386/gthr-win32.c, config/i386/i386-interix.h,
        config/i386/i386-protos.h, config/i386/openbsd.h,
        config/i386/winnt.c, config/i386/xm-mingw32.h,
        config/i386/xmmintrin.h, config/ia64/ia64.md,
        config/iq2000/iq2000.md, config/m32r/m32r.md,
        config/m68k/m68k.md, config/mcore/mcore-elf.h,
        config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
        config/mips/iris5gas.h, config/mips/iris6.h,
        config/mips/iris6gas.h, config/mips/linux.h,
        config/mips/mips.md, config/mips/netbsd.h,
        config/mips/openbsd.h, config/mips/windiss.h,
        config/pa/fptr.c, config/rs6000/aix.h,
        config/rs6000/altivec.h, config/rs6000/darwin.h,
        config/rs6000/xcoff.h, config/s390/s390-protos.h,
        config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
        config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
        config/sparc/sol2.h: Update copyright.

2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (abs_docdir, abs_srcdir): Define.
        (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * genconfig.c (main): Have CC0_P check its operand even on a
        target without cc0.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c: Remove mentions of deprecates macros
        in comments, remove some target-independent comments about target
        macros, and/or add minimal function comments for target hook
        implementations.
        * config/avr/avr.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ip2k/ip2k.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        PR optimization/12147
        * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
        RELOAD_FOR_OPADDR_ADDR.
        (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
        might be reused as RELOAD_FOR_OPADDR_ADDR register.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * reload.c (get_secondary_mem): Fix updating of
        secondary_memlocs_elim_used.

2004-01-30  Richard Henderson  <rth@redhat.com>

        * varasm.c (struct rtx_const, struct pool_constant): Remove.
        (MAX_RTX_HASH_TABLE): Remove.
        (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
        (first_pool, last_pool, pool_offset): Remove.
        (struct rtx_constant_pool): Split out from ...
        (struct varasm_status): ... here.  Reference one via pointer.
        (struct constant_descriptor_rtx): Merge struct pool_constant.
        (SYMHASH): Remove.
        (decode_rtx_const): Remove.
        (const_hash_rtx, compare_constant_rtx): Remove.
        (record_constant_rtx): Remove.
        (const_desc_rtx_hash, const_desc_rtx_eq): New.
        (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
        (const_rtx_hash_1, const_rtx_hash): New.
        (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
        (simplify_subtraction): Use simplify_rtx.
        (force_const_mem): Rewrite to use new data structures.
        (find_pool_constant): Likewise.
        (get_pool_constant, get_pool_constant_mark,
        get_pool_constant_for_function, get_pool_mode,
        get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
        (output_constant_pool_2): Split out from output_constant_pool.
        (output_constant_pool_1): Likewise.  Use new pool datastructures.
        (output_constant_pool): Zap entire pool datastructure.
        (mark_constant): Use new pool datastructures.
        (mark_constants): Use for_each_rtx.
        (mark_constant_pool): Use new pool datastructures.

2004-01-30  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
        Copy operands[1] to pseudo for simplify_gen_subreg.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (bypass_block): Fix a typo in the previous check-in
        to the file.

2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>

        * toplev.c: Include alloc-pool.h.
        * Makefile.in (toplev.c): Update dependencies.

2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * combine.c (simplify_shift_const, case XOR): Be careful when
        commuting XOR with ASHIFTRT.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc-protos.h: Remove the prototype for
        sparc_builtin_saveregs.
        * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (sparc_builtin_saveregs): Make it static.
        (sparc_promote_prototypes): New.
        (sparc_struct_value_rtx): Likewise.
        (sparc_return_in_memory): Likewise.
        * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

        * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/12818
        * varasm.c (const_hash_1) <STRING_CST>: Use the
        address to compute the hash value if flag_writable_strings.
        (compare_constant) <STRING_CST>: Compare the addresses
        if flag_writable_strings.
        (build_constant_desc): Do not copy the expression for a
        STRING_CST if flag_writable_strings.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * alloc-pool.c: Include hashtab.h
        (alloc_pool_descriptor): New structure
        (alloc_pool_hash): New global variable.
        (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
        (create_alloc_pool): Update statistics.
        (free_alloc_pool): Likewise.
        (pool_alloc): Likewise.
        (output_info): New structure
        (print_statistics, dump_alloc_pool_statistics): New function.
        * alloc-pool.h (alloc_pool_def): Turn name to be constant.
        (dump_alloc_pool_statistics): Declare.
        * toplev.c (finalize):  Dump statistics.

        * reload.c (secondary_memlocs_elim_used): New static variable.
        (get_secondary_mem): Update it.
        (find_reloads): Use it.

2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30, again.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
        s390*-*-* targets by specifying a 'nop' insn.
        * configure: Regenerate.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/11475
        * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
        of addr when creating MEM copy.

2004-01-29  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (gen_field_die): Do not equate decl number to die.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        PR inline-asm/6162
        * reload.c (find_reloads): Only support one pair of commutative
        operands.

2004-01-29  Roger Sayle  <roger@eyesopen.com>

        PR java/13824
        * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
        as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
        recursion.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv.c: Don't mention deprecated macros in
        comments.  Remove some target-independent comments about
        target macros.
        * config/frv/frv.h: Likewise.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfghooks.c (split_block): Set probability and count of the
        new edge.

2004-01-29  Josef Zlomek  <zlomekj@suse.cz>

        * dwarf2out.c (struct die_struct): Added field decl_id.
        (decl_die_table): Changed to hash table.
        (decl_die_table_allocated): Deleted.
        (decl_die_table_in_use): Deleted.
        (DECL_DIE_TABLE_INCREMENT): Deleted.
        (decl_die_table_hash): New function.
        (decl_die_table_eq): New function.
        (lookup_decl_die): Lookup in a hash table.
        (equate_decl_number_to_die): Insert into a hash table.
        (dwarf2out_init): Init hash table decl_die_table.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/13424
        * expr.c (store_constructor): Revert 2003-12-03 change.

        * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
        expected before returning early.  Avoid sharing RTL if they
        need to be changed.

        * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
        handling so that memory attributes are preserved.  Don't call
        ix86_set_move_mem_attrs.
        (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
        (ix86_expand_clrstr): Rename src argument to
        dst.  Rework rep_stos and strset handling so that memory attributes
        are preserved.
        (ix86_expand_strlen): Pass src argument to
        ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
        memory attributes are preserved.
        (ix86_expand_strlensi_unroll_1): Add src argument.  Use
        change_address instead of gen_rtx_MEM.
        * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
        expanders.
        (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
        strmovqi, strmovqi_rex64): Remove.
        (rep_mov*, strmov*): Prefix insn names with *.
        (strset, strset_singleop, rep_stos): New expanders.
        (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
        strsetqi, strsetqi_rex64): Remove.
        (rep_stos*, strset*): Prefix insn names with *.
        (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
        to SImode.
        (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
        are preserved.
        (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
        Prefix insn names with *.
        (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
        (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
        (strlenqi_1): New expander.
        * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
        * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
        verify_flow_info): Declaration removed.
        * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
        (debug_bb, debug_bb_n): Add argument to dump_bb call.
        * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
        try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
        instead of delete_block.
        * cfghooks.c: Include timevar.h and toplev.h.
        (cfg_hooks): Define here.
        (verify_flow_info, dump_bb): Moved from cfg.c.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, split_block_after_labels, move_block_after,
        delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        New functions.
        * cfghooks.h (struct cfg_hooks): Added fields name,
        make_forwarder_block, tidy_fallthru_edge and
        move_block_after. Changed type of verify_flow_info, dump_bb,
        split_block fields. Renamed cfgh_split_edge and delete_block
        fields.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, delete_block, split_edge, create_basic_block,
        can_merge_blocks_p, merge_blocks): Macros removed.
        (cfg_hooks): Do not export.
        (verify_flow_info, dump_bb, redirect_edge_and_branch,
        redirect_edge_and_branch_force, split_block, split_block_after_labels,
        move_block_after, delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        Declare.
        (cfg_layout_rtl_cfg_hooks): Declare.
        * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
        New functions.
        (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
        (redirect_edge_with_latch_update): Removed.
        (make_forwarder_block): Moved to cfghooks.c, semantics changed.
        * cfgloopmanip.c (remove_bbs): Do not update dominators here.
        * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
        rtl_delete_block, rtl_split_block, rtl_merge_blocks,
        tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
        cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
        cfghooks.c.
        (rtl_create_basic_block): Coding style fix.
        (rtl_tidy_fallthru_edge, rtl_move_block_after,
        rtl_make_forwarder_block): New functions.
        (update_cfg_after_block_merging): Removed.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
        * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
        to dump_bb.
        * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
        find_if_case_2): Don't update dominators.
        * timevar.def (TV_CFG_VERIFY): New.
        * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
        * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
        * cfgloopmanip.c (split_loop_bb): Don't update dominators.
        (remove_bbs): Don't call remove_bbs.
        (create_preheader): Use make_forwarder_block.
        (mfb_keep_just, mfb_update_loops): New static functions.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.h: Remove target-independent comments about
        target macros.

2004-01-28  Daniel Berlin  <dberlin@dberlin.org>

        * timevar.c (timevar_print): Mention when checking is enabled.

2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * c-lex.c (c_lex): Rename to...
        (c_lex_with_flags): Add new parameter to get CPP flags.
        (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
        * c-pragma.h (c_lex_with_flags): Declare.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (mcore_external_libcall): Add a
        comment.
        (mcore_return_in_memory): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore-protos.h: Remove the prototype for
        mcore_setup_incoming_varargs.
        * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mcore_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.  Add argument second_time.
        (mcore_external_libcall): New.
        (mcore_return_in_memory): Likewise.
        * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_setup_incoming_varargs.
        * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (m32r_return_in_memory): New.
        (m32r_setup_incoming_varargs): Make it static.
        * config/m32r/m32r.h: Remove #undef of
        ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
        definitions of PROMOTE_FUNCTION_ARGS and
        PROMOTE_FUNCTION_RETURN.
        (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (m68k_struct_value_rtx): Likewise.
        * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.
        * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
        * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16.c
        (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
        TARGET_BUILD_BUILTIN_VA_LIST.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (v850_return_in_memory): Likewise.
        (v850_setup_incoming_varargs): Likewise.
        * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
        (fr30_setup_incoming_varargs): Don't use
        STRICT_ARGUMENT_NAMING.
        * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Remove the prototype for
        frv_expand_builtin_saveregs.
        * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (frv_expand_builtin_saveregs): Make it static.
        (frv_struct_value_rtx): New.
        * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-29  Jan Hubicka  <jh@suse.cz>

        PR c++/12850
        * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
        initial pointers.
        * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
        for functions that will be only inlined.
        (cgraph_mark_function_to_output): Likewise.
        (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
        do not clear function body.
        * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
        (tree_rest_of_compilation): Reorganize the logic releasing function
        body to use callgraph datastructure.

2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
        to register_operand.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
        (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
        match_operand expressions so that all match_dups appear
        lexically after their corresponding match_operands.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (WORD_REG_USED): Use
        HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
        (compute_saved_regs): Likewise.
        (h8300_expand_prologue): Likewise.  Allocate locals after
        saving registers.
        (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
        of FRAME_POINTER_REGNUM.  Deallocate locals before saving
        registers.
        (h8300_initial_elimination_offset): Adjust for the new frame
        layout, which swaps flips the order of locals and saved
        registers.
        * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
        (HARD_FRAME_POINTER_REGNUM): New.
        (ELIMINABLE_REGS): Add an elimination rule from
        FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
        (REGISTER_NAMES): Add fp.
        * config/h8300/h8300.md (FP_REG): Change to 11.
        (HFP_REG): New.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (write_node): Remove a useless local variable.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        * Makefile.in (options.c options.h): Use stamp file s-options to
        avoid unnecessary rebuilds.
        (options.o): New target listing dependencies.
        (gtyp-gen.h): Use stamp file s-gtyp-gen.
        (STAGESTUFF): Add s-gtyp-gen.

2004-01-28  Richard Henderson  <rth@redhat.com>

        * ggc.h (ggc_free): Declare.
        * ggc-common.c (ggc_realloc): Use it.
        * ggc-page.c: Remove lots of inline markers.
        (globals): Add free_object_list.
        (ggc_alloc): Tidy.
        (ggc_free, validate_free_objects): New.
        (poison_pages): Provide default.
        (ggc_collect): Call validate_free_objects; emit markers to
        the debug file.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>
            Jim Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
        Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
        scratch pointer.
        (ia64_secondary_reload_class): Delete case GR_REGS.
        * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
        Do not allocate a scratch register.
        (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.

2004-01-28  Jan Hubicka  <jh@suse.cz>

        * gcse.c (bypass_block): Prevent edges to be unified when we are
        about to emit compenstation code.

2004-01-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_expand_builtin): Force second argument of
        the setcwx insn into a register.

2004-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/fp-bit.c (pack_d): When using paired doubles to implement
        a long double, round the high part separately.
        (unpack_d): Fix the case in which the high part is a power of two
        and the low part is a nonzero value of the opposite sign.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (c4x_external_libcall): Likewise.
        (c4x_struct_value_rtx): Likewise.
        * config/c4x/c4x.h: Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
        (STRUCT_VALUE): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-27  Roger Sayle  <roger@eyesopen.com>

        * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
        CONST_INT before using INTVAL.

2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
        * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
        frame if !TARGET_BACKCHAIN.
        * config/s390/s390.md ("allocate_stack"): Use pattern only if
        TARGET_BACKCHAIN.
        * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * ia64.c (ia64_function_arg): When placing HFAs in integer
        registers, do not special case the mode used for complex
        types.  Do not advance int_regs until the current register
        is full.

2004-01-27  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7297
        * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
        slow, unaligned loads and stores while debugging.  Fix formatting.

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
        of computing wmode.
        (restore_stack_nonlocal): Same.

2004-01-27  Devang Patel <dpatel@apple.com>

        * Makefile.in (dwarf2out.o): Depend on input.h
        * dbxout.c (dbx_debug_hooks): Add new empty hook for
        imported_module_or_decl.
        (xcoff_debug_hooks): Same.
        * sdbout.c (sdb_debug_hooks): Same.
        * vmsdbgout.c (vmsdbg_debug_hooks): Same.
        * debug.c (do_nothing_debug_hooks): Same.
        (debug_nothing_tree_tree): New function.
        * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
        * dwarf2out.c: Include input.h.
        (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
        (remove_child_TAG): New function.
        (dwarf_tag_name): Handle DW_TAG_imported_module.
        (gen_subprogram_die): Equate decl number to declaration die. Do not
        remove all children dies while reusing declaration die for definition.
        Instead, selectively remove only formal parameters.
        (gen_variable_die): Equate variable decl to declaration die.
        (gen_field_die): Equate field decl to line number.
        (force_namespace_die): Replace it with ...
        (force_decl_die): ... this.
        (force_type_die): New function.
        (setup_namespace_context): Replace use of force_namespace_die() with
        force_decl_die().
        (gen_namespace_die): Same.
        (dwarf2out_imported_module_or_decl): New function.

2004-01-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
        on CQImode and CHImode incoming arguments in register a7.
        (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
        * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
        * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
        xtensa_copy_incoming_a7 before reload.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * coverage.c (get_coverage_counts): Give a different message
        if flag_guess_branch_prob is set.
        * predict.c (counts_to_freqs): Return an int.
        (estimate_bb_frequencies): If counts_to_freqs returns zero,
        calculate estimates.

2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Remove the prototype for
        iq2000_setup_incoming_varargs.
        * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (iq2000_return_in_memory): Likewise.
        (iq2000_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.
        * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>

        * fixinc/fixinc.c (test_test): Initialize res.
        (start_flexer): Initialize pz_cmd_save.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
        SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        PR 7198
        * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
        (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
        (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
        Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
        Possibly rename pattern for consistency.
        Remove ??? comments suggesting that this be done.
        (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
        New patterns.
        (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
        (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
        (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
        (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
        Update to match.

2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.c (output_return_instruction): Only restore IP
        into SP if frame_pointer_needed.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
        for SCmode and DCmode if ARCH32.
        (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
        * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
        if ARCH32.
        (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
        if ARCH32.
        (BASE_OUTGOING_VALUE_REG): Likewise.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10904
        PR target/13058
        * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
        Forbid mode changes from SImode for lower FP regs if ARCH64.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * Makefile.in (bt-load.o): Depend on except.h.
        * bt-load.c (except.h): #include.
        (compute_defs_uses_and_gen): If insn at end of BB can throw
        within this function, consider registers used by it unavailable for
        btr migration.
        (move_btr_def): If insn at end of BB can throw, insert before rather
        than after.

        * flags.h (flag_btr_bb_exclusive): Declare.
        * toplev.c (flag_btr_bb_exclusive): New variable.
        (f_options): Add btr-bb-exclusive.
        * bt-load.c (augment_live_range): Restore old behaviour if
        flag_btr_bb_exclusive is set.
        * common.opt: Add entry for -fbtr-bb-exclusive.
        * opts.c (common_handle_options): Same.
        * doc/invoke.texi: Document -fbtr-bb-exclusive.

        * bt-load.c (btrs_live_at_end): New variable.
        (compute_defs_uses_and_gen): Compute its pointed-to array.
        (clear_btr_from_live_range, add_btr_to_live_range): Update it.
        (augment_live_range): When augmenting with a new dominator,
        use only its btrs_live_at_end set, but also add in the full set
        of the old dominator.
        (btr_def_live_range): Use btrs_live_at_end.
        (move_btr_def): Set other_btr_uses_before_def, and move new set
        to the end of the basic block, if appropriate.
        (migrate_btr_defs): Allocate and free btrs_live_at_end.

        * bt-load.c (basic_block_freq): Remove outdated comment.

2004-01-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h: Correct target_flags free bits comment.
        (PREDICATE_CODES): Remove duplicate.
        * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
        (MASK_PROFILE_KERNEL): Adjust define.

2004-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
        of long string literals from 32 bytes to sizeof (void *) when !-Os
        and to 1 with -Os.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
        constant addresses in the normal mode.

2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (CHAR_BITFIELD): Delete.
        (BOOL_BITFIELD): New.
        * c-decl.c (c_scope): Use BOOL_BITFIELD.
        * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (arc_return_in_memory): Likewise.
        * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-26  Richard Henderson  <rth@redhat.com>

        * c-parse.in (extension): Use itype.
        (SAVE_EXT_FLAGS): Don't allocate a tree.
        (RESTORE_EXT_FLAGS): Don't read a tree.

2004-01-26  Jan Hubicka  <jh@suse.cz>

        * cselib.c (discard_useless_values):  Clear out value pointer pointing
        to datastructure to be recycled.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * genextract.c (main): Do not output the memset when not checking.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
        switch statement instead of a chain of if statements.

2004-01-26  Jeff Law  <law@redhat.com>

        * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
        acute accents for Petur Runolfsson's entry.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         * config/rs6000/rs6000.c (rs6000_emit_move): split slow
         unaligned load/store into smaller loads and stores.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * function.c (assign_parms): Do not assign
        long long argument to memory in prologue if
        is it loaded into register.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         PR middle-end/13779
         * expr.c (emit_group_load): split constant
         correctly into register components of PARALLEL insn.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
        Use adjust_address_nv directly with appropriate mode.
        (restore_stack_nonlocal): Ditto.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa-protos.h: Remove the prototype for
        xtensa_builtin_saveregs.
        * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (xtensa_builtin_saveregs): Make it static.
        (xtensa_return_in_memory): New.
        * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (arm_setup_incoming_varargs): Likewise.
        * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (cris_setup_incoming_varargs): Likewise.
        * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
        (ns32k_struct_value_rtx): Likewise.
        * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
        NS32K_STRUCT_VALUE_REGNUM.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (arm_struct_value_rtx): Likewise.
        * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_REGNUM): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64-protos.h: Remove the prototype for
        ia64_setup_incoming_varargs and ia64_return_in_memory.
        * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (ia64_setup_incoming_varargs): Adjust the arguments to meet
        the requirement of TARGET_SETUP_INCOMING_VARARGS.
        (ia64_return_in_memory): Make it static.  Change the return
        type to bool from int.  Add an argument.
        (ia64_struct_value_rtx): New.
        * config/ia64/ia64.h: Remove commented-out definitions of
        PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
        PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13666
        * config/sparc/sparc.c (function_arg_union_value): New function.
        (function_arg): Use it to deal with unions.
        (function_value): Likewise.  Define 'regbase' only for ARCH64.
        Replace a conditional statement by a simpler one.

2004-01-26  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips16_optimize_gp): Delete.
        (mips_reorg): Don't call it.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
        (floatunsqihf2): Remove operand 6.
        (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
        fix patterns.
        (ldi_conditional, ldf_conditional): Validate operands.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
        (HAVE_GAS_HIDDEN): Undefine as interim measure.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
        memory references if TARGET_EXPOSE_LDP nonzero.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
        invalid operand combinations.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
        c4x_legitimate_address_p.  Fix post_modify check.

        * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
        * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pa/pa-protos.h: Remove the prototype for
        hppa_builtin_saveregs.  Add a prototype for
        pa_return_in_memory.
        * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (pa_struct_value_rtx): Likewise.
        (pa_return_in_memory): Likewise.
        * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
        PA_STRUCT_VALUE_REGNUM.
        (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
        (EXPAND_BUILTIN_SAVEREGS): Remove.
        (PROMOTE_PROTOTYPES): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (vax_struct_value_rtx): Likewise.
        * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
        VAX_STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.

2004-01-25  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
        and MIPS64 have HI/LO interlocks.  Update comment.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16-protos.h: Remove the prototype for
        xstormy16_setup_incoming_varargs.
        * config/stormy16/stormy16.c
        (xstormy16_setup_incoming_varargs): Remove.
        (xstormy16_return_in_memory): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise
        (PROMOTE_PROTOTYPES): Likewise
        (RETURN_IN_MEMORY): Likewise
        (STRUCT_VALUE): Likewise
        (SETUP_INCOMING_VARARGS): Likewise

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_offset_within_object_p): New function.
        (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
        SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
        ABI has 64-bit pointers and the object file only allows 32-bit symbols.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300-protos.h: Remove the prototype for
        mn10300_builtin_saveregs.
        * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (mn10300_return_in_memory): Likewise.
        (mn10300_builtin_saveregs): Make it static.
        * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        PR bootstrap/13853
        * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
        using ccr.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i860/i860-protos.h: Remove the prototype for
        i860_saveregs.
        * config/i860/i860.c (i860_saveregs): Make it static.
        (i860_struct_value_rtx): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
        I860_STRUCT_VALUE_REGNUM.
        (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (m68hc11_struct_value_rtx): Likewise.
        (m68hc11_return_in_memory): Likewise.
        * config/m68hc11/m68hc11.h: Remove a commented-out definition
        of PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mmix/mmix-protos.h: Remove the prototype for
        mmix_setup_incoming_varargs.
        * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mmix_setup_incoming_varargs): Make it static.
        (mmix_struct_value_rtx): New.
        * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
        Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
        (STRUCT_VALUE_REGNUM): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/mips-protos.h: Remove the prototypes for
        mips_setup_incoming_varargs and mips_return_in_memory.
        * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (mips_setup_incoming_varargs): Match the prototype for
        TARGET_SETUP_INCOMING_VARARGS.
        (mips_return_in_memory): Make it static.  Add argument fntype.
        (mips_strict_argument_naming): New.
        * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
        (PROMOTE_FUNCTION_ARGS): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (ip2k_return_in_memory): Likewise.
        (ip2k_setup_incoming_varargs): Likewise.
        * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (avr_return_in_memory): Remove.
        * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
        (mips_regno_mode_ok_for_base_p): Declare.
        * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
        (FRAME_POINTER_REGNUM): Renumber to 78.
        (FIRST_PSEUDO_REGISTER): Update comment accordingly.
        (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
        (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
        (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
        (REG_MODE_OK_FOR_BASE_P): Likewise.
        * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
        entry for 77 to "$arg" and entry for 78 to "$frame".
        (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
        (mips_reg_mode_ok_for_base_p): Remove.
        (mips_regno_mode_ok_for_base_p): New function, derived from old
        BASE_REG_P macro.  Don't enforce the mips16 stack pointer
        restrictions unless we're being strict.
        (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment typos.
        * c-decl.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * et-forest.c: Likewise.
        * flow.c: Likewise.
        * function.c: Likewise.
        * ifcvt.c: Likewise.
        * integrate.c: Likewise.
        * jump.c: Likewise.
        * postreload.c: Likewise.
        * varray.c: Likewise.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/frontends.texi: Update copyright.
        * doc/gcov.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.

2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        PR target/12978
        * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
        Remove movstrqi_small because it conflicts with movstrqi_large.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (cris_struct_value_rtx): Likewise.
        * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
        (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.

2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>

        PR bootstrap/13848
        * cse.c (cse_cc_succs): Change the mode of the source expression
        as soon as decide we need a new mode.  Don't permit changing modes
        if we found a match in a successor block.
        (cse_condition_code_reg): Save original mode of source expression
        so that we know whether we have to change the mode in other
        insns.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address, adjust_address_1, offset_address,
        widen_memory_access):  Return early when there is nothing to change.

2004-01-24  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_relational_operation): Don't
        simplify address == constant into address + -constant == 0.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Don't internationalize the
        Copyright message.
        * mips-tfile.c (main): Likewise.

2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>

        * cse.c: (cse_cc_succs) Fix comparison warning.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove extraneous USE in expanders.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Provide prototypes for
        h8300_legitimate_constant_p and h8300_legitimate_address_p.
        * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
        (h8300_rtx_ok_for_base_p): Likewise.
        (h8300_legitimate_address_p): Likewise.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
        h8300_legitimate_constant_p.
        (RTX_OK_FOR_BASE_P): Remove.
        (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
        (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Likewise.
        (REG_OK_FOR_BASE_STRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
        (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
        (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
        (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * cselib.c (remove_useless_values):  Do not access discarded values.

2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
        arrays.

2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c: Fix a typo in copyright.

2004-01-23  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.md (call): Fix misappiled patch.
        (call_value): Likewise.

2004-01-23  Richard Henderson  <rth@redhat.com>

        PR opt/12941
        * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
        (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
        if SHIFT_COUNT_TRUNCATED is set.

2004-01-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
        separate real and imaginary parts.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.

2004-01-23  Hartmut Penner <hpenner@de.ibm.com>

        PR target/13674
        * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
        loading into GPR.

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
        change.

        * alloc-pool.c (align_four): Kill.
        (create_alloc_pool): Align size to eight.
        (free_alloc_pool, free_pool): Invalidate deallocated data.

2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>

        PR gcc/1532
        * cse.c (cse_change_cc_mode): New static function.
        (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
        (cse_condition_code_reg): New function.
        * rtl.h (cse_condition_code_reg): Declare.
        * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
        * target.h (struct gcc_target): Add fixed_condition_code_regs and
        cc_modes_compatible.
        * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (TARGET_INITIALIZER): Add new initializers.
        * targhooks.c (default_cc_modes_compatible): New function.
        * targhooks.c (default_cc_modes_compatible): Declare.
        * hooks.c (hook_bool_intp_intp_false): New function.
        * hooks.h (hook_bool_intp_intp_false): Declare.
        * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (ix86_fixed_condition_code_regs): New static function.
        (ix86_cc_modes_compatible): Likewise.
        * doc/tm.texi (Condition Code): Document new hooks.

2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (bad_lval): Renamed to ...
        (alpha_bad_lval): ... this.
        Removed file list.
        Restrict to alpha*-dec-osf*.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/dirent.h: Remove, moving test ...
        * fixinc/tests/base/testing.h: ... here, reflecting new name.

2004-01-23  Zack Weinberg  <zack@codesourcery.com>

        PR c/13814
        * c-decl.c (diagnose_mismatched_decls): Also discard a
        built-in if we encounter an old-style definition with the
        same name.

2004-01-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
        set to default{32,64}.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
        [!__powerpc64__]: Corrected to handle kernels with changed ucontext.

2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
            Olivier Hainque  <hainque@act-europe.fr>

        * fold-const.c (fold_binary_op_with_conditional_arg): Only
        build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
        size for minipool references.

2004-01-23  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_floor, real_ceil): Tweak to allow input and output
        arguments to overlap.
        (real_round): New function to implement round(3m) semantics.
        * real.h (real_round): Prototype here.
        * builtins.c (fold_builtin_round): New function to constant fold
        round, roundf and roundl.
        (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.

2004-01-23  Alexandre Oliva  <aoliva@redhat.com>

        PR optimization/13819
        * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
        introduced by 2004-01-20's Jan Hubicka's copy_insn change.
        (sh_handle_sp_switch_attribute): Remove warning.

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.

2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>

        * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
        may or may not return non-NIL.
        * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
        check CANNOT_CHANGE_MODE_CLASS

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (PROP_POSTRELOAD): New macro.
        (CLEANUP_LOG_LINKS): New.
        * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
        * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.

        * cselib.c (value_pool): New.
        (new_cselib_val): Use pool.
        (cselib_init): Initialize value_pool
        (cselib_finish): Free pool.

2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (scan_record_type): New function.
        (function_arg_slotno): Use it to determine which kinds of
        registers the record can be passed in.

2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>

        * config/pa/fptr.c: Fix old-style definition.

2004-01-22  Paolo Bonzini  <bonzini@gnu.org>

        PR optimization/13724
        * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
        represents the zero bits produced by a ZERO_EXTEND operation.

2004-01-22  Roger Sayle  <roger@eyesopen.com>

        PR optimization/13821
        * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
        correctly calculate the lowpart offset of the contracted subreg.

2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/invoke.texi (Optimize Options): Note that --param arguments
        are subject to change without notice.

2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix6*o32): Removed.
        * config/mips/iris6-o32-as.h: Likewise.
        * config/mips/iris6-o32-gas.h: Likewise.
        * config/mips/iris6-o32.h: Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (first_pass): New static variable.
        (try_forward_edges):  Add work limiting check for threading.
        (try_crossjump_bb):  Add work limiting check for crossjumping.
        (try_optimize_cfg):  Maintain first pass variable.

2004-01-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
        handles complex and vector modes.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
        (REG_OK_FOR_BASE_P_STRICT): Likewise.
        (STRICT): Likewise.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
        (genrtl_for_stmt): Remove emit_nop calls.

2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/13713
        PR target/13324
        * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
        movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
        clrstrdi_prereload, clrstrdi_postreload): Fix constraints.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c: Include "debug.h".
        (thumb_pushpop): Take two new arguments.  Add some commentary.
        Output frame information when pushing.
        (thumb_exit, thumb_unexpanded_epilogue): Update calls to
        thumb_pushpop.
        (thumb_output_function_prologue): Likewise.  Accumulate a CFA
        offset, and pass it to thumb_pushpop.  Output CFI information.
        (thumb_expand_prologue): Add some frame-related markers and notes.

2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_frame_info): Allow large frame sizes
        for TARGET_64BIT.
        (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
        * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.

2004-01-22  Roger Sayle  <roger@eyesopen.com>
            Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
        (subreg_lsb): Change to call new subreg_lsb_1 helper function.
        * rtl.h (subreg_lsb_1): Prototype here.
        * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
        sign extensions.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
        macro need not be defined if jump-tables should contain
        relative addresses only when -fPIC or -fPIC is in effect.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * alias.c (reg_base_value): Turn into varray.
        (reg_base_value_size): Kill.
        (old_reg_base_value): New deletable varray.
        (alias_invariant_size): New variable.
        (REG_BASE_VALUE): Update to use varray.
        (find_base_value): Likewise.
        (record_set): Likewise.
        (record_base_value): Likewise.
        (memrefs_conflict_p): Likewise.
        (record_set): Likewise
        (record_base_value): Likewise.
        (memrefs_conflict_p): Use alias_invariant_size.
        (init_alias_analysis): Use varray; set alias_invariant_size;
        rescale other arrays to be sized by maxreg.
        (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Use
        FLOAT_TYPE_P to detect FP fields in structures.
        (function_arg_record_value_1): Likewise.
        (function_arg_record_value_2): Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * function.c (allocate_struct_function): Do not initialize expr, emit
        and varasm.
        (prepare_function_start): Do it here.
        * c-parse.in (maybe_type_qual): Do not produce line number notes.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13559
        * config/sparc/sparc.c (function_arg_record_value_3): Revert
        to 'word_mode' once the first slot has been filled.

2004-01-22  Olivier Hainque  <hainque@act-europe.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): Fix
        computation of the number of integer registers required.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Simplify certain comparisons of
        const_int.

2004-01-21  Andrew Pinski  <apinski@apple.com>

        PR target/13785
        * config/rs6000/rs6000.md (call_value): Force operand
        1 not operand 0 into a register.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
        unwind-dw2-fde.h: Update copyright.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h: Update copyright.
        * pa.h: Likewise.
        * pa.md: Likewise.

2004-01-21  Caroline Tice  <ctice@apple.com>

        PR target/12308
        * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
        flags register.
        (fix_truncdfdi2): Likewise.
        (fix_truncsfdi2): Likewise.
        (*fix_truncdi_1): Likewise.
        (fix_truncxfsi2): Likewise.
        (fix_truncdfsi2): Likewise.
        (fix_truncsfsi2): Likewise.
        (*fix_truncsi_1): Likewise.
        (fix_truncxfhi2): Likewise.
        (fix_truncdfhi2): Likewise.
        (fix_truncsfhi2): Likewise.
        (*fix_trunchi_1): Likewise.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, basic-block.h, c-common.c, c-common.h,
        c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
        calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
        combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
        cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
        defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
        expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
        genautomata.c, genconditions.c, genemit.c, genflags.c,
        gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
        ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
        langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
        line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
        ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
        rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
        target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
        unwind.h, varray.c, varray.h: Update copyright.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Update copyright.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
        ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
        ultrix_unistd): New hacks.
        * fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
        ULTRIX_CONST2_CHECK): Add checks.
        * fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
        * fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
        * fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
        * fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
        * fixinc/tests/base/locale.h: New file.
        * fixinc/fixincl.x: Rebuilt.

2004-01-21  Andreas Jaeger  <aj@suse.de>
            Michael Matz  <matz@suse.de>

        * doc/extend.texi (Extended Asm): Clarify memory clobber.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * crtstuff.c (frame_dummy, __do_global_ctors_1): Call
        _Jv_RegisterClasses through a function pointer.

2004-01-21  Falk Hueffner  <falk@debian.org>

        PR target/12898
        * config/alpha/alpha.c (alpha_emit_set_const_1): If
        no_new_pseudos, use gen_rtx_SET directly for SImode constants
        which need multiple instructions to emit.

2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (CPP_SPEC): Define.

2004-01-21  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (merge_decls): Kill different_binding_level and
        different_tu arguments; simplify throughout.
        (duplicate_decls): Likewise.
        (pushdecl, merge_translation_unit_decls): Update calls to
        duplicate_decls.

2004-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (pretty-print.o): Depend on $(CONFIG_H) and
        $(SYSTEM_H).
        (print-rtl1.o): Depend on $(SYSTEM_H).

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12730
        * configure.ac: Delete definition and subsitution of docdir.
        Add info, man, srcman and srcinfo to target hooks. Create doc/
        directory.
        * configure: Regenerate.
        * Makefile.in: Don't substitute docdir and delete all references
        throughout.
        (MAKEINFOFLAGS): Define.
        (stmp-docobjdir): Delete.
        (INFOFILES, MANFILES): Define.
        (info): Call lang.info, srcinfo and lang.srcinfo.
        (generated-manpages): Call lang.man, srcman and lang.srcman.
        (srcinfo, srcman): New rules to copy back files to source directory.
        (doc/%.info, doc/%.dvi, doc/%.1, doc/%.7): New implict rule.
        (install-man): Revamp rule.
        (clean): Update dvi directory.
        (distclean): Delete TAGS from front end directorys.
        (maintainer-clean): Delete all document files in source directory.

        objc/Make-lang.in (objc.man, objc.info): Dummy entries.
        (objc.srcman, objc.srcinfo): Likewise.

2004-01-20  Bruce Korb  <bkorb@gnu.org>

        * fixinc/inclhack.def(math_exception): bypass only for glibc.
        (matherr_decl): rename & relocate as exception_structure.
        This fix must precede the math_exception fix.

2004-01-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_convert): Rename to fold_convert_const.
        (fold_convert_const): Change arguments to take a tree_code,
        a type and the operand/expression to be converted.  Return
        NULL_TREE if no simplification is possible.  Add support for
        FIX_CEIL_EXPR and FIX_FLOOR_EXPR in addition to FIX_TRUNC_EXPR.
        (fold): Handle FIX_CEIL_EXPR and FIX_FLOOR_EXPR.
        Adjust call to fold_convert to match new fold_convert_const.
        Avoid modifying the tree passed to fold in-place.

2004-01-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (DWARF2_FRAME_REG_OUT): Define.
        * dwarf2out.c (output_cfi): Map regs using DWARF2_FRAME_REG_OUT.
        * doc/tm.texi (DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Document.

2004-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h (compute_frame_size): Use HOST_WIDE_INT for frame sizes.
        * pa.c (store_reg, store_reg_modify, load_reg, set_reg_plus_d):
        Likewise.  Handle frames larger than 0x7fffffff on 64-bit ports.
        (emit_move_sequence): Check scratch_reg first in various if statements.
        Extend source simplification to handle all 64-bit CONST_INTs.
        (pa_output_function_prologue): Use HOST_WIDE_INT_PRINT_DEC for printing
        frame size.
        (hppa_expand_prologue, hppa_expand_epilogue): Use HOST_WIDE_INT for
        frame offset calculations.
        * pa.h (NEW_HP_ASSEMBLER): Add comment.
        (MAX_LEGIT_64BIT_CONST_INT, MIN_LEGIT_64BIT_CONST_INT,
        LEGITIMATE_64BIT_CONST_INT_P): Define.
        (LEGITIMATE_CONSTANT_P): Use LEGITIMATE_64BIT_CONST_INT_P.  Treat
        any CONST_INT as legitimate during and after reload.
        (VAL_32_BITS_P, INT_32_BITS): Define.
        (LEGITIMIZE_RELOAD_ADDRESS): Handle large frame offsets.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (verify_rtx_sharing, copy_insn_1,
        emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
        containing hard regs are shared.
        (gen_hard_reg_clobber): New function.
        (hard_reg_clobbers): New array.
        * genemit.c (gen_exp): Use gen_hard_reg_clobber.
        (copy_rtx): Do not copy clobbers containing hard regs.
        * rtl.h (gen_hard_reg_clobber): Declare.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * varray.c:  Include hashtab.h
        (varray_descriptor): New structure.
        (hash_descriptor, eq_descriptor, varray_descriptor,
        print_statistics): New static functions
        (varray_init, varray_grow): Update statistics
        (dump_varray_statistics): New function.
        * varray.h (dump_varray_statistics): Declare.
        * toplev.c (finalize): Call it.
        * Makefile.in (varray.o): Add dependency.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * cselib.c: Include alloc-pool.h
        (empty_vals, empty_elt_lists, empty_elt_loc_lists): Kill.
        (elt_loc_list_pool, elt_list_pool, cselib_val_pool): Declare.
        (new_elt_list, new_elt_loc_list, unchain_one_elt_list,
        unchain_one_elt_loc_list_pool, unchain_one_value,
        new_cselib_val): Simplify using allocpool.
        (cselib_init): Initialize allocpools.
        (cselib_finish): Finish allocpools.
        * Makefile.in (cselib.o): Depend on alloc-pool.h

2004-01-20  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_load_call_address): Make the call insn
        use $gp if it could be calling a lazy binding stub.

2004-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/s390/s390.c (TARGET_PROMOTE_FUNCTION_ARGS): Define.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/s390/s390.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Remove.
        (STRUCT_VALUE): Remove.

2004-01-20  Denis Chertykov  <denisc@overta.ru>

        PR bootstrap/13735
        * config/avr/avr.h (BASE_REG_CLASS): Don't permit to use X
        register as pointer after reload.

2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/12440
        * loop.c: Include ggc.h.
        (loop_optimize): Run garbage collector between optimization of loops.
        * Makefile.in (loop.o): Add GGC_H dependency.

2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (function_arg) Handle
        vector register special in function without prototype.
        (function_arg_advance): Vector parameters get always
        GPRs allocated for the linux64 target.

2004-01-20  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_M32R2). Test for TARGET_M32R2_MASK
        not TARGET_M32RX_MASK.

2004-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13557
        * config/sparc/sparc.c (function_arg): Reorder the cases.

2004-01-19  Per Bothner  <per@bothner.com>

        Move cpp_reader's line_maps field to a shared global.
        * cpphash.h (cpp_reader):  Rename line_maps field to line_table
        and change the type to a pointer rather than a struct.
        * cppinit.c (cpp_push_main_field):  Adjust accordingly.
        * cpplib.c (do_include_common, _cpp_do_file_change, cpp_get_callbacks):
        Likewise.
        * cppfiles.c (validate_pch):  Likewise.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_builtin_macro_text):
        Likewise.
        * cpperror.c (print_location):  Likewise.
        * cpplib.h (cpp_create_reader):  New line_maps pointer parameter.
        * cppinit.c (cpp_create_reader):  Handle new parameter.
        (cpp_destroy):  Don't free line_maps - that's no longer our job.
        * input.h (line_table):  New variable.
        * toplev.c (line_table):  Declare variable.
        (general_init):  Initialize line_table.
        * c-opts.c (c_common_init_options):  Pass line_table to
        cpp_create_reader.
        * fix-header.c (read_scan_file):  New local variable line_table.
        Initialize, and pass it to cpp_create_reader.
        * Makefile.in (LIBS, LIBDEPS):  Add libcpp.a.
        (C_AND_OBJC_OBJS, fix-header):  Remove redundant libcpp.a.

2004-01-19  Per Bothner  <per@bothner.com>

        Implement a cache for linemap_lookup.
        * line-map.h (struct_line_maps):  Add cache field.
        * line-map.c (linemap_init):  Zero cache field.
        (linemap_add):  Set cache field to offset of newly allocated map.
        (linemap_lookup):  Use and set cache field.

2004-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR optimization/13567
        * cse.c (cse_basic_block): Call cse_insn with a non-null
        libcall_insn for the last SET insn of a no-confilict block.

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (target_noncanonical, program_transform_name): Use
        immediate define instead of deferred.
        (GCC_INSTALL_NAME, GCC_TARGET_INSTALL_NAME, CPP_INSTALL_NAME,
        PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
        GCCBUG_INSTALL_NAME): Define via a immediate $(shell) instead of
        deferred backquote.

2004-01-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (c_init_decl_processing): Set pedantic_lvalues to
        true unconditionally.
        * c-typeck.c (unary_complex_lvalue, pedantic_lvalue_warning):
        Remove.
        (build_unary_op, build_modify_expr): Don't handle extended
        lvalues.
        (build_component_ref, build_conditional_expr): Call non_lvalue
        instead of pedantic_non_lvalue.
        (build_c_cast): Don't condition use of non_lvalue on pedantic.
        * fold-const.c (fold): Don't check pedantic directly for
        COMPOUND_EXPR.  Ensure that results for COMPOUND_EXPR are
        passed to pedantic_non_lvalue.
        * doc/extend.texi: Remove documentation of extended lvalues.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        PR optimization/5263
        * simplify-rtx.c (associative_constant_p): Delete.
        (simplify_associative_operation): Rewrite to linearize terms, and
        attempt to simplify new term against both left and right subterms.
        (simplify_binary_operation): Call swap_commutative_operands_p on
        op0 and op1, not trueop0 and trueop1.  Move the initialization of
        trueop0 and trueop1 down to where first needed.
        (simplify_relational_operation): Likewise.
        * rtlanal.c (commutative_operand_precedence): Also order constant
        operands using avoid_constant_pool_reference.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (aligned_memory_operand): Check MEM_ALIGN,
        don't check memory mode.
        (unaligned_memory_operand): Likewise.
        (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Don't
        abort for op0 not MEM.

        * config/alpha/alpha.c (alpha_expand_mov_nobwx): If the destination
        is not a reg, copy to a scratch first.
        (aligned_loadqi, aligned_loadhi, unaligned_loadqi, unaligned_loadhi,
        unaligned_loadqi_le, unaligned_loadqi_be, unaligned_loadhi_le,
        unaligned_loadhi_be): Expect op0 in DImode; don't SUBREG.
        (reload_inqi, reload_inhi): Fix mode of op0.
        (reload_inqi_help, reload_inhi_help, reload_outqi_help,
        reload_outhi_help): Likewise.  Use define_insn_and_split.

        * config/alpha/alpha.md (call peepholes): Check for REG_NORETURN
        as well as $29 dead.

2004-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): New.  Emit
        "tls_object" for thread-local objects.
        * config/sparc/sparc.c (sparc_elf_asm_named_section): Emit
        "#tls" for thread-local sections.
        * configure.ac (thread-local checks): Specify --fatal-warnings in
        every binutils-specific checks.  For sparc*-*-*, test whether the
        OS is Solaris and the tools are native and act accordingly.
        * configure: Rebuild.

2004-01-19  Jeff Law  <law@redhat.com>

        * contrib.texi: Update Paolo Carlini's entry.  New entries for
        Jerry Quinn and Petur Runolfsson.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (*movhi_1, *movqi_1): When optimizing for
        size, don't use the larger zero-extending loads.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
        * alpha.md (UNSPEC_NT_LDA): Remove.
        (UNSPEC_CVTLQ, cvtlq): New.
        (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
        (extendsidi2_fix): Remove.
        (extendsidi2 splitter): Use cvtlq.
        (extendsidi2 fp peepholes): Remove.
        (cvtql): Use SFmode instead of SImode.
        (fix_trunc?fsi): Update to match.
        (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
        (movsi): Rename from movsi_nofix, remove f alternatives.
        (movsi_nt_vms): Similarly.
        (movsi_fix, movsi_nt_vms_fix): Remove.
        (nt_lda): Remove.
        * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.

2004-01-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Fix removal from linked list.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Clear next_needed
        list.
        (cgraph_remove_unreachable_nodes): New function
        (cgraph_decide_inlining_of_small_function): Fix pasto.
        (cgraph_decide_inlining_incrementally): Fix pasto.
        (cgrpah_decide_inlining): Likewise; remove unreachable nodes.

2004-01-19  Steven Bosscher  <stevenb@suse.de>

        * gengtype.c (header_file): Make it static.
        (write_types_process_field, write_enum_defn): Minor whitespace fixes.
        * gengtype.h (header_file): No longer extern.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (CASE_VECTOR_PC_RELATIVE): Provide the default.
        * expr.c (CASE_VECTOR_PC_RELATIVE): Remove.
        * stmt.c (CASE_VECTOR_PC_RELATIVE): Likewise.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (HAVE_casesi): Define it not already defined.
        (HAVE_tablejump): Likewise.
        (expand_end_case_type): Resort to the binary tree method if
        neither casesi or tablejump is available.

2004-01-18  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (final_scan_insn): Make non-static again.
        * output.h (final_scan_insn): Re-add prototype.
        * config/arc/arc.c (arc_output_function_epilogue): Add NULL
        to final_scan_insn call.
        * config/cris/cris.c (cris_target_asm_function_epilogue): Likewise.
        * config/mips/mips.c (mips_output_conditional_branch): Likewise.
        * config/pa/pa.c (output_lbranch, output_call): Likewise.
        * config/sh/sh.c (print_slot): Likewise.
        * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Likewise.
        (output_sibcall, sparc_flat_function_epilogue): Likewise.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (try_redirect_by_replacing_jump): Declare.
        * cfgcleanup.c (try_optimize_cfg): Use it.
        * cfgrtl.c (try_redirect_by_replacing_jump): Export.
        (rtl_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch):
        Kill hack.
        (cfg_layout_merge_blocks): Use try_redirect_by_replacing_jump.

        Revert:
        2004-01-16  Geoffrey Keating  <geoffk@apple.com>

                * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
                even after reload, just don't remove the actual jump tables.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/rs6000.h (STRICT_ARGUMENT_NAMING): Remove.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Fix the computation of
        the size of a pointer in bytes.

2004-01-18  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix thinko of reusing
        live "next" variable, which could lead to an infinite loop.

2004-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/altivec.h: Wrap C++ functions in extern "C++"
        block.

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Check for NULL in the chain and remove repeated code.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * coverage.c (checksum_string): Rename to ...
        (coverage_checksum_string): ... this one, Use crc32_string; recognize
        names containing random number and zero the number out in order to get
        match.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_got_alias_set): Mark for PCH.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi,
        doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi,
        doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi,
        doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi,
        doc/trouble.texi: Remove trailing whitespace.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7618
        * config/mips/mips.c: Include cfglayout.h.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (mips_unspec_offset_high): Add temporary register argument.
        (mips_load_call_address): New function, split out from...
        (mips_expand_call): ...here.
        (mips_output_cplocal): New function.
        (mips_output_function_prologue, mips_output_function_epilogue): Use it.
        (mips_emit_loadgp): New function, split out from...
        (mips_expand_prologue): ...here.
        (mips_output_mi_thunk): New function.

2004-01-17  Bernardo Innocenti  <bernie@develer.com>

        * longlong.h (mc68020, __mc68030__, mc68030, __mc68040__, mc68040,
        mcpu32): Remove redundant checks for implied target predefines.

2004-1-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Return type is unsigned int not int.
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Likewise.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/cppenv.texi, doc/extend.texi,
        doc/install.texi, doc/invoke.texi, doc/tm.texi: Consistently use
        "GNU/Linux" and "Microsoft Windows" terminology.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/compat.texi, doc/cpp.texi,
        doc/cppopts.texi, doc/extend.texi, doc/install.texi,
        doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi,
        doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use
        @smallexample instead of @example.

2004-01-17  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_objc_method_call): Use target
        hooks instead of macros to determine if ..._stret
        dispatchers should be used (NeXT runtime only).

2004-01-17  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix mistake in my
        last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)
        (emit_call_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): New
        macros.
        * reload1.c (emit_reload_insns): Use them.
        * emit-rtl.c (emit_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): Check
        for NULL PATTERN.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
        (final_scan_insn): Update to take an additional SEEN argument.  Emit
        a line note after the prologue.  Make static.
        (line_note_exists): Remove.
        (final): Don't initialize line_note_exists.  Update call to
        final_scan_insn.
        * output.h (final_scan_insn): Remove prologue.
        * function.c (set_insn_locators): Update comment.
        (thread_prologue_and_epilogue_insns): Add a comment.

2004-01-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/10781
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Prototype.
        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        New function.
        * config/rs6000/linux64.h (ROUND_TYPE_ALIGN): Use it.
        * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Likewise.
        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Likewise.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_handle_reorder_blocks): Fix pasto in previous
        commit.

        * toplev.c (HAVE_conditional_execution): Provide default.
        (rest_of_handle_reorder_blocks): For conditional_execution target
        update liveness once after all transformations
        (rest_of_compilation): Do crossjumping before ce3.

2004-01-17  Geoffrey Keating  <geoffk@apple.com>

        * alias.c (new_alias_set): Mark last_alias_set for PCH.
        (get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it
        for PCH.
        (get_frame_alias_set): Likewise, except rename it to 'frame_set'.
        * config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH.
        (get_TOC_alias_set): Mark 'set' for PCH.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
        even after reload, just don't remove the actual jump tables.

2004-01-17  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Renamed from is_ada_subrange_type().
        Remove checks for is_ada() and TREE_UNSIGNED.
        (subrange_type_die): Emit a byte_size attribute if the subrange
        type size is different from the base type size.
        (modified_type_die): Replace call to is_ada_subrange_type() by
        call to is_subrange_type().

2004-01-16  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/sh/sh.c: Include ggc.h.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (MD5_H): New.
        (fold-const.o): Depend on md5.h.
        (dwarf2out.o): Likewise.
        (cppfiles.o): Likewise.
        * cppfiles.c: Include md5.h.
        (should_stack_file): Check against list read from PCH file.
        (struct pchf_data): New.
        (pchf): New variable.
        (struct pchf_adder_info): New.
        (pchf_adder): New.
        (pchf_save_compare): New.
        (_cpp_save_file_entries): New.
        (_cpp_read_file_entries): New.
        (struct pchf_compare_data): New.
        (pchf_compare): New.
        (check_file_against_entries): New.
        * cpphash.h (_cpp_save_file_entries): Prototype.
        (_cpp_read_file_entries): Prototype.
        * cpppch.c (cpp_write_pch_state): Write the list of headers.
        (cpp_read_state): Read the list of headers.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
        builtin_expect specially.
        * params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
        (PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
        * invoke.texi (max-inline-insns-single): Set to 100.
        (large-function-insns): Set to 3000.

2004-01-16  Eric Christopher  <echristo@redhat.com>
            Chandrakala Chavva <cchavva@redhat.com>

        * cppcharset.c (one_iso88591_to_utf8): New function.
        (convert_iso88591_utf8): Ditto. Use.
        (conversion_tab): Use.
        (_cpp_input_to_utf8): New function.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        * cpphash.h: Prototype new functions.
        (cpp_buffer): Add input_cset_desc.
        * cppinit.c: Add input_charset default.
        * cpplib.c (cpp_push_buffer): Support init and
        close of iconv.
        * cpplib.h (cpp_options): Add input_charset.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_SECTION_NAME): Poison.
        * config/alpha/unicosmk.h: Remove a commented-out definition
        of ASM_OUTPUT_SECTION_NAME.
        * config/stormy16/stormy16.h: Likewise.

2004-01-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha___extern_prefix): Renamed to ...
        (alpha___extern_prefix_sys_stat): ... this.
        Apply to <sys/mount.h>, too.
        Tweak to match more variations.
        * fixinc/tests/base/sys/stat.h: Adapt for new hackname.

        * fixinc/inclhack.def (alpha___extern_prefix,
        alpha___extern_prefix_standards): New hacks to obey
        __PRAGMA_EXTERN_PREFIX.
        * fixinc/tests/base/testing.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        test.
        * fixinc/tests/base/standards.h: Likewise.

        * fixincl/inclhack.def (alpha_pthread): Tweak to match more
        variations.
        New testcase.
        * fixinc/tests/base/pthread.h: Handle it.

        * fixincl/inclhack.def (bad_lval): Sort file list.
        Add many missing files up to Tru64 UNIX V5.1B.
        * gcc/fixinc/tests/base/libgen.h: Renamed to ...
        * gcc/fixinc/tests/base/dirent.h: ... this to match new file list
        order.

        * fixinc/fixincl.x: Regenerate.

2004-01-16  Mark Mitchell  <mark@codesourcery.com>

        * version.c (version_string): Change to 3.5.0.
        * doc/include/gcc-common.texi (version-GCC): Likewise.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        * i386.md (load_tp_di): Fix pasto.

        PR opt/13608
        * i386.c (ix86_compute_frame_layout): Fix for alloca on leaf function.

        * c-pretty-print.c (pp_c_type_cast, pp_c_abstract_declarator,
        pp_c_character_constant, pp_c_floating_constant,
        pp_c_additive_expression, pp_c_shift_expression,
        pp_c_equality_expression, pp_c_and_expression,
        pp_c_exclusive_or_expression, pp_c_inclusive_or_expression,
        pp_c_logical_and_expression): Remove inline modifier.
        * dwarf2out.c (get_AT): Likewise.
        * et-forest.c (et_splay): Likewise.
        * ra.h (ra_alloc, ra_calloc): Likewise

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Fix comment formatting.
        * config/frv/frv.c: Likewise.
        * config/frv/frv.h: Likewise.
        * config/frv/frv.md: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Poison.
        * doc/tm.texi (PREFERRED_DEBUGGING_TYPE): Don't mention
        LINKER_DOES_NOT_WORK_WITH_DWARF2.
        (LINKER_DOES_NOT_WORK_WITH_DWARF2): Remove.

2004-01-16  J"orn Rennecke <joern.rennecke@superh.com>

        PR 11864
        * postreload.c (reload_cse_simplify_operands): Don't remove
        implicit extension from LOAD_EXTEND_OP.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        PR opt/11350
        * cfgcleanup.c (try_optimize_cfg): Suppress tablejump removal
        after reload.
        * cfgrtl.c (rtl_can_merge_blocks, cfglayout_can_merge_blocks,
        rtl_try_redirect_by_replacing_branch): Likewise.

2004-01-15  Geoffrey Keating  <geoffk@apple.com>

        PR pch/13689
        * alias.c (struct alias_set_entry): Mark for GC.
        (alias_sets): Make static, mark for GC.
        (record_alias_subset): Use GC to allocate alias structures.
        * varray.c (element): Make generic varrays GCed.

        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.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.

        * config/rs6000/rs6000.c (rs6000_va_arg): No need to special-case
        altivec operands.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment formatting.
        * c-cppbuiltin.c: Likewise.
        * c-pragma.c: Likewise.
        * calls.c: Likewise.
        * collect2.c: Likewise.
        * cppcharset.c: Likewise.
        * cpptrad.c: Likewise.
        * dbxout.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2out.c: Likewise.
        * fold-const.c: Likewise.
        * genautomata.c: Likewise.
        * genconditions.c: Likewise.
        * genflags.c: Likewise.
        * gengtype.c: Likewise.
        * integrate.c: Likewise.
        * loop.c: Likewise.
        * predict.c: Likewise.
        * sdbout.c: Likewise.

2004-01-15  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (*movti_internal): C output template
        extracted to ia64.c.
        (*movti_internal_reg): Delete.
        (reload_inti, reload_outti): Use the correct mode on operand 2
        in the first place, don't fix it up in the output template.
        (movtf, reload_ointf, reload_outtf): New expanders.
        (*movtf_internal): New define_insn_and_split.
        * config/ia64/ia64.c (ia64_split_timode): Rename to ia64_split_tmode;
        make static; do not hand TFmode CONST_DOUBLEs to split_double.
        (ia64_split_tmode_move): New function, body mostly pulled
        from ia64.md:*movti_internal.
        (ia64_function_arg_words): New function, extracted common
        logic from ia64_function_arg et seq.
        (ia64_function_arg_offset): Likewise.  Handle correctly the
        case of a scalar quantity 16 bytes wide with only 8-byte alignment.
        (ia64_function_arg, ia64_function_arg_partial_nregs)
        (ia64_function_arg_advance): Use ia64_function_arg_words and
        ia64_function_arg_offset.
        (ia64_function_value): TCmode does not go in float regs.
        (ia64_secondary_reload_class): Also handle TFmode.
        * config/ia64/ia64-protos.h: Remove prototype for
        ia64_split_timode; add prototype for ia64_split_tmode_move.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (MAINT): Make it an immediate assignment.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove useless calls to gen_lowpart.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Replace Hitachi with Renesas.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2004-01-15  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.c (uses_TOC): Wrap #if TARGET_ELF
        around it.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_return_in_memory): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/h8300/h8300.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/13375
        * gcse.c (handle_avail_expr): Just return if the source is not a
        single set.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
            Daniel Jacobowitz  <drow@mvista.com>

        * arm/lib1funcs.asm (ARM_FUNC_START): Correct interworking case.
        (EQUIV): Define.
        (ARM_FUNC_ALIAS): New macro.
        * arm/ieee754-df.S (gedf2, ledf2, nedf2, eqdf2): Use it.
        * arm/ieee754-sf.S (gesf2, lesf2, nesf2, eqsf2): Use it.

2004-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12372
        * calls.c (expand_call): Add call_fusage data for stack arguments in
        constant calls.

2004-01-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (uses_TOC): Correct comment.  Make static.
        (rs6000_elf_declare_function_name): Formatting.
        * config/rs6000/rs6000-protos.h (uses_TOC): Remove declaration.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/13692
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Fix thinko in
        previous patch.

2004-01-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (REG_ALLOC_ORDER): Reorder fp regs after
        integer regs of the same call-savedness.

2004-01-15  Andreas Schwab  <schwab@suse.de>

        PR bootstrap/13562
        * config/m68k/m68k.c (output_move_const_into_data_reg): Clear cc
        status for NOTB/NOTW/NEGW methods.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Update dump file names.  Fix a typo.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_builtin_va_end): Don't use
        EXPAND_BUILTIN_VA_END.
        * system.h (EXPAND_BUILTIN_VA_END): Poison.
        * config/d30v/d30v.h: Remove a commented-out definition of
        EXPAND_BUILTIN_VA_END.
        * config/stormy16/stormy16.h: Likewise.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (STRUCT_VALUE_INCOMING_REGNUM): Poison.
        * targhooks.c (default_struct_value_rtx): Don't use
        STRUCT_VALUE_INCOMING_REGNUM.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12744
        * configure.in: Revamp enable-generated-files-in-srcdir rule to define
        GENINSRC and not parsedir.  Define srcextra as a langhook.
        * configure: Regenerate.
        * Makefile.in: Suppress default .l.c rule.  Don't substitute
        parsedir and delete all references throughout.  Conditionally define
        rule for srcextra dependent on GENINSRC.
        (stmp-docobjdir): Delete.
        (c-parse.o, gengtype-lex.o, gengtype-yacc.o): Use implicit build rule.
        (srcextra): Copy c-parse.y, c-parse.c, gengtype-lex.c, gengtype-yacc.c,
        and gengtype-yacc.h back to source directory.
        (maintainer-clean): Delete all parse files in source directory.
        (distclean): Delete generated files.

        * objc/Make-lang.in (objc-parse.o): Use implicit build rule.
        (objc-parse.c, objc-parse.y): Don't use parsedir.
        (objc.srcextra): Copy objc-parse.y and objc-parse.c back to source
        directory if requested.
        (po-generated): Don't use parsedir.
        (objc.maintainer-clean): Delete above files from source directory.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (FUNCTION_VALUE): Fix a typo.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Replace RETURN_IN_MEMORY with
        TARGET_RETURN_IN_MEMORY.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        * builtins.c (std_expand_builtin_va_arg): Align operand when needed.
        * i386.c (init_cumulative_args): Set warn_sse; fix handling of variadic
        functions accepting SSE arguments
        (function_arg): Warn only when asked to warn.
        * i386.h (ix86_args): Add warn_sse/warn_mmx fiels.

2004-01-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (stmts_and_decls): Make label at end of compound
        statement a hard error.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (create_edge): Use local.redefined_extern_inline.
        * cgraph.h (cgraph_local_info): Sort fields by size; add
        redefined_extern_inline
        (cgraph_global_info): Sort fields by size.
        (cgraph_node): Likewise.
        * cgraphunit.c (cgraph_finalize_function): Se
        local.redefined_extern_inline on redefinition.
        (cgraph_analyze_function): Use it; fix formating.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        PR c++/10776
        * sched-deps.c (trye_dependency_cache, anti_dependency_cache,
        outptu_dependency_cache, forward_dependency_cahe): Trun to vectors of
        bitmaps
        (cache_size): New variable
        (add_dependence): Update use; canonize early memory locations
        (sched_analyze_1): Likewise.
        (sched_analyze_2): Likewise.
        (init_dependency_caches): Initialize bitmaps.
        (free_dependency_caches): Free bitmaps

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Replace STRICT_ARGUMENT_NAMING in comments with
        targetm.calls.strict_argument_naming().
        * target.h: Likewise.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR debug/13231
        * dwarf2out.c (dwarf2out_stack_adjust): Skip prologue and epilogue
        instructions.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR c++/12491
        * except.c (struct eh_region): Add u.fixup.resolved.
        (resolve_one_fixup_region): Split out from ...
        (resolve_fixup_regions): ... here.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (STRUCT_VALUE): Change to 0.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.h (STRUCT_VALUE): Remove.
        * config/alpha/vms.h (STRUCT_VALUE_REGNUM): Remove #undef.
        (STRUCT_VALUE): Remove.

2004-01-14  Steven Bosscher  <stevenb@suse.de>

        * system.h: Poison PROMOTED_MODE
        * integrate.c (expand_inline_function): Don't mention the
        PROMOTED_MODE.
        * loop.c (update_giv_derive): Same.
        * tree.h (DECL_RTL): Same.

2004-01-14  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/9365
        * sh.c (gen_block_redirect): Add special handling of RETURN.
        (gen_far_branch) Don't call gen_stuff_delay_slot if there is no
        far branch target (i.e. it's a return).

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * regrename.c (find_oldest_value_reg): Fix a warning.

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        PR bootstrap/12527
        * config.gcc (arm*-*-linux*): Don't include unknown-elf.h in tm_file.
        Move linux-gas.h and linux-elf.h before aout.h.
        * arm/arm.h (INITIALIZE_TRAMPOLINE): Only define if not already.
        * arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Define.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Use GEN_INT instead of gen_rtx
        (CONST_INT, VOIDmode, ...).

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        * regrename.c (find_oldest_value_reg): If the replacement uses
        multiple hard registers, check that all of them are in CLASS.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * alias.c (get_alias_set):  Initialize alias set to 0 when subset is
        impossible.

2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Define MAINT from --enable-maintainer-mode.

2004-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_stack_info)
        Calculate always vrsave_mask if TARGET_ALTIVEC.
        (rs6000_emit_prologue): Emit code for vrsave
        only if TARGET_ALTIVEC_VRSAVE.
        (rs6000_emit_epilogue): Likewise.

2004-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (tie_add32): Fix pasto.
        (tie_add64): Likewise.

2004-01-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * config/i386/i386.md (*addqi_1_slp): Do not access operands[2].

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Fix comment formatting.
        * config/iq2000/iq2000.c: Likewise.
        * config/iq2000/iq2000.md: Likewise.

2004-01-14  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_ada_subrange_type): No longer check the TYPE_NAME.
        (subrange_type_die): Add handle for nameless subrange types.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Replace do_movsi with
        h8300_expand_movsi.
        * config/h8300/h8300.c (do_movsi): Change to
        h8300_expand_movsi.
        * config/h8300/h8300.md (movsi): Replace do_movsi with
        h8300_expand_movsi.
        (movsf): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (dosize): Change to
        h8300_emit_stack_adjustment.  Update callers.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (movstrictqi): Add an alternative with
        the source being post_inc.  Tighten the predicate for the
        destination to register_operand.
        (movstricthi): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (SHARED_BSS_SECTION_ASM_OP): Poison.
        * varasm.c (bss_section): Don't use SHARED_BSS_SECTION_ASM_OP.
        * doc/tm.texi (SHARED_BSS_SECTION_ASM_OP): Remove.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        Partial fix PR c++/12850
        * cgraphunit.c (cgraph_finalize_function): Always ggc_collect when
        at zero nest level.

2004-01-13  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/netbsd-elf.h (REGISTER_NAMES): Add missing "argptr"
        pseudo-register.

2004-01-13  Devang Patel <dpatel@apple.com

        PR debug/7078
        * dbxout.c (dbxout_symbol_name): Emit mangled names for
        NAMESPACE_DECL memebers.

2004-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/12709
        * c-common.c (finish_fname_decls): Use the chain only if the
        tree is an expr_stmt.

2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def: Add comment about new option in automata_option.

        * genautomata.c (PROGRESS_OPTION): New macro.
        (progress_flag): New global variable.
        (gen_automata_option): Process `progress'.
        (transform_insn_regexps, check_unit_distributions_to_automata,
        make_automaton, NDFA_to_DFA, build_automaton, create_automata,
        expand_automata, write_automata): Print about the progress only if
        progress_flag.  Remove fflush.
        (initiate_automaton_gen): Process command line flag `-progress'.

        * doc/md.texi: Describe the new option.

2004-01-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfg.c (dump_bb): Dump entry edges.

2004-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimate_address_p): Only allow constant pool
        references from SImode.
        * arm.md (thumb_movhi_insn): Don't allow minipool references.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (TEXT_SECTION): Poison.
        * varasm.c (text_section): Don't use TEXT_SECTION.
        * config/sh/sh.c (sh_file_start): Fix a comment typo.
        * doc/tm.texi (TEXT_SECTION): Remove.

2004-01-13  Ben Elliston  <bje@wasabisystems.com>

        * doc/rtl.texi (Vector Operations): Remove defunct vec_const item.

2004-01-12  James E Wilson  <wilson@specifixinc.com>

        * unwind-libunwind.c: Delete.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        PR 13656
        * c-decl.c (diagnose_mismatched_decls): Whenever newtype or
        oldtype is set, set *newtypep or *oldtypep too.  Do not set
        them at the very end.
        (validate_proto_after_old_defn): Restructure for comprehensibility;
        make error messages clearer.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        * varray.h (VARRAY_POP): Add checking variant, aborts on underflow.
        (VARRAY_TOP): Use VARRAY_CHECK so the access is bounds-checked.
        * varray.c: No need to prototype error.
        (varray_check_failed): Wrap long string onto two lines.
        (varray_underflow): New function.

2004-01-13  Steven Bosscher  <stevenb@suse.de>

        PR c++/13376
        * function.h (struct function): Kill `name' field.
        (current_function_name): Make it an extern function.
        * function.c (current_function_name): New function.
        * graph.c: Update all uses of current_function_name.
        * gcse.c: Likewise.
        * config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
        config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
        * config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
        instead of a strcmp with "main".

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (diagnose_mismatched_decls):  Fix warning calls.

        * cgraphunit.c (cgraph_optimize_function):  Always do
        optimize_inline_calls when there is always_inline callee.
        (cgraph_decide_inlining): Fix formating.
        * tree-inline.c (inlinable_function_p): Do sorry for alwaysinline
        functions.
        (expand_call_inline): Likewise.
        * toplev.h (sorry): Fix prototype.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
        conditional jumps that drop through to unconditional jumps or the
        end of the sequence.

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * alias.c (new_alias_set): Construct the alias_set varray.
        (init_alias_once): Don't do it here.

2004-01-12  Marc Espie <espie@openbsd.org>

        * system.h: handle YYBYACC like YYBISON.

2004-01-12  Jonathan Merriman <jonm@dualitymedia.com>

        PR target/10847
        * config.gcc: No longer includes conflicting header sparc/sol2.h when
        building on sparc64-*-openbsd*.

2004-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/13539
        * dbxout.c (dbxout_type): Protected inheritance is not
        private but protected.

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Revert last patch.

2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/12508.
        * combine.c (try_combine): Remove a dead set in a parallel
        even if its destination is a subreg.

        Revert:
        2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
        * combine.c (simplify_set): Don't move a subreg in SET_SRC to
        SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

2004-01-12  Geoffrey Keating  <geoffk@apple.com>

        * real.c: Update copyright date.
        * emit-rtl.c: Likewise.
        * rtl.h: Likewise.
        * dwarf2out.c: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/rs6000.md: Likewise.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Add AIX
        TFmode to SImode libfuncs.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/11397
        * varasm.c (assemble_alias): Remove weak aliases from weak_decls.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        PR opt/12826
        * loop.c (insert_loop_mem): Preffer VOLATILE memory references to be
        stored.

        PR opt/12863
        * cfgcleanup.c (label_is_jump_target_p): Move to...
        * rtlanal.c (label_is_jump_target_p): ... here.
        * cfgrtl.c (cfg_layout_redirect_edge_and_branch):  Fix redirecting of fallthru
        edges unified with branch edges.

2004-01-12  Richard Earnshaw  <rearnsha@arm.com>

        * simplify-rtx.c (simplify_immed_subreg): Correctly extract the
        high word of an integral CONST_DOUBLE.

2004-01-12  Paul Brook  <paul@codesourcery.com>

        * simplify-rtx.c (simplify_plus_minus): Always generate canonical form.

2004-01-12  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/13585
        * sh-protos.h (check_use_sfunc_addr): Declare.
        * sh.c (extract_sfunc_addr, check_use_sfunc_addr): New functions.
        * sh.md (use_sfunc_addr): Use check_use_sfunc_addr in insn predicate.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        * alias.c:  Invlude varray.h
        (alias_sets): Turn into varray.
        (get_alias_set_entry): Use VARRAY; mark inline.
        (mems_in_disjoint_alias_sets_p): Mark inline.
        (record_alias_subset): Use varray.
        (init_alias_once): Initialize varray.
        (new_alias_set): Grow array.
        * varray.c: Make VARRAY_GENERIC_PTR non GTYized.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        Partial fix for PR opt/10776 II
        * cselib.c: Include params.h
        (cselib_invalidate_mem):  Limit amount of nonconflicting memory
        locations.
        * params.def (PARAM_MAX_CSELIB_MEMORY_LOCATIONS): New.
        * Makefile.in (cselib.o): Depend on params.h

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Don't pass VOIDmode to
        simplify_unary_operation if the operand has a known mode.

2004-01-12  Hartmut Penner  <hpenner@de.ibm.com>

        PR target/13534
        * gcc/config/rs6000/rs6000.c (word_offset_memref_operand): New
        predicate to handle 'ld' conform addresses.
        * gcc/config/rs6000/rs6000.h (EXTRA_CONSTRAINT): New 'Y'
        contraint.
        (EXTRA_MEMORY_CONSTRAINT): Tell reload which constraint
        are memory contraints.
        * gcc/config/rs6000/rs6000-protos.h (word_offset_memref_operand):
        New prototype.
        * gcc/config/rs6000/rs6000.md (*movdf_hardfloat64):
        Change 'o' to 'Y' constraint.
        (*movdf_softfloat64): Ditto.

2004-01-12  Bernardo Innocenti  <bernie@develer.com>

        * gcc/config/m68k/m68k.md: Switch from the "*..." syntax to the
        brace-enclosed syntax in all C output statements.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        PR target/13401
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Objective-C language type value is 14.

2004-01-12  Markus F.X.J. Oberhumer  <markus@oberhumer.com>

        PR c/12148
        * config/m68k/fpgnulib.c: Fix `-mshort' bugs: Use `long' instead of
        `int' in a number of places to make sure we always have a SImode
        and not a HImode.  Add a 'L' suffix to a number of constants.

2004-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c: Don't include obstack.h.

        * pa.md: Correct constraint in pattern for loading PIC label address.

2004-01-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine
         before defining.

2004-01-11  Steven Bosscher  <stevenb@suse.de>

        PR fortran/9972
        * toplev.c (rest_of_handle_inline): Also consider functions
        for deferral if the language is GNU F77.

2004-01-11  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (diagnose_arglist_conflict): Add missing space to
        diagnostic messages.

2004-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/13392
        * builtins.c (expand_builtin_expect_jump): Handle conditional jumps
        to drop through label.  Don't fall back to SCC even when conditional
        jump has not been found.

2004-01-11  Jan Hubicka  <jh@suse.cz>

        * invoke.texi: Fix syntax error in previous patch.

        Partial fix for PR opt/10776
        * Makefile.in (reload.o): Include param.h
        * params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
        * reload.c: Include params.h.
        (find_equiv_reg): Work limiting check.
        * invoke.texi: Document.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Don't allow
        out-of-bounds accesses to string constants.  Simplify mips16
        case accordingly.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        PR optimization/13469
        * toplev.c (rest_of_compilation): Call purge_all_dead_edges after
        reload_cse_regs (-fnon-call-exceptions only).

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/lib1.asm: Fix comment formatting.
        * config/mcore/mcore-elf.h: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mcore/mcore.h: Likewise.
        * config/mcore/mcore.md: Likewise.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (duplicate_decls): Break apart into...
        (diagnose_arglist_conflict, validate_proto_after_old_defn)
        (locate_old_defn, diagnose_mismatched_decls, merge_decls):
        ... these new functions.  Restructure for comprehensibility.
        Remove various archaic special cases.  Always report the
        location of the previous declaration when a diagnostic is issued.
        (redeclaration_error_message): Fold into diagnose_mismatched_decls.
        (match_builtin_function_types): Delete unnecessary forward declaration.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (make_automaton, NDFA_to_DFA):
        Print progress bars with '.' characters instead of '*'.
        (build_automaton): Change notes to match.

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

        * config/m32r/m32r.md: Use define_constants for unspec and
        unspec_volatile.

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

        PR opt/11635
        * expr.c (expand_expr_real):  More curefully expand union casts.

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

        * config/m32r/m32r.md (flush_icache): Use 1 for
        unspec_volatile.

2004-01-10  David Edelsohn  <edelsohn@gnu.org>
            James E Wilson  <wilson@specifixinc.com>

        PR debug/12860
        * dbxout.c (dbxout_symbol): Remove initialization of
        current_sym_code, current_sym_value, and current_sym_addr.
        (dbxout_symbol_location): Same.
        (dbxout_prepare_symbol): Zero current_sym_code,
        current_sym_value, and current_sym_addr.

2004-01-10  Richard Sandiford  <rsandifo@redhat.com>

        * tree.c (get_unwidened): Reorder conditions so that the null pointer
        check is done first.

2004-01-09  Eric Christopher  <echristo@redhat.com>

        * toplev.c (rest_of_handle_cfg): Add reg_scan pass
        if we're running mark_constant_function.

2004-01-09  Jeff Bailey  <jbailey@nisa.net>

        PR target/12561
        * config/t-gnu: Rename SYSTEM_HEADER_DIR to NATIVE_SYSTEM_HEADER_DIR.

2004-01-09  Andrew Pinski <pinskia@physics.uc.edu>

        PR debug/11231
        * dbxout.c (dbxout_type_fields): Return if any item is
        error_mark_node or the type is error_mark_node.

2004-01-09  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-ldouble.c: Add big comment explaining
        exactly what is expected as a 'long double'.
        (_xlqadd): When a value to be returned is representable as a
        'double', just return it directly, do not construct it using a union.
        Also, correct final fixup.
        (_xlqmul): Likewise.
        (_xlqdiv): Likewise.
        * real.c (encode_ibm_extended): Make consistent with darwin-ldouble.c.

        * config/rs6000/rs6000.md (fix_trunctfdi2): Delete.

2004-01-09  Richard Henderson  <rth@redhat.com>

        * recog.c (constrain_operands): Validate mem operands.

2004-01-09   James E Wilson  <wilson@specifixinc.com>

        * gcc.c (init_spec): Remove -lunwind from shared case.
        * conifg/ia64/t-hpux (SHLIB_LINK): Add -lunwind.

2004-01-09  Steve Ellcey  <sje@cup.hp.com>

        * configure.ac: (gcc_cv_ld_hidden) Set to true for ia64*-*-hpux*.
        * configure: Regenerate

2004-01-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11234
        * c-typeck.c (build_c_cast): If pedantic, warn for conversions
        between function and object pointers.
        (digest_init): When comparing a pointer to function type to the
        target type, only apply TREE_TYPE once to the pointer to function
        type.
        * except.c (for_each_eh_label_1): Treat data as a pointer to a
        function pointer rather than casting it to a function pointer.
        (for_each_eh_label): Update caller.
        * recog.h (struct insn_data): Use a struct or union for output.
        * genoutput.c (output_insn_data): Update.
        * final.c (get_insn_template): Update.

2004-01-09  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (expand_expr): Make it a macro, not a function.
        (expand_expr_real): New function.
        * expr.c (store_expr): Adjust logic for deciding whether or not to
        copy the value returned by expand_expr.
        (expand_expr): Rename to ...
        (expand_expr_real): ... this.  Add alt_rtl parameter.  Adjust
        calls to language hooks.
        * c-common.h (c_expand_expr): Adjust prototype.
        * c-common.c (c_expand_expr): Add alt_rtl parameter.
        * langhooks-def.h (lhd_expand_expr): Change prototype.
        * langhooks.c (lhd_expand_expr): Add all_rtl parameter.
        * langhooks.h (lang_hooks): Change type of expand_expr.
        * stmt.c (stmt_status): Add x_last_expr_alt_rtl.
        (last_expr_alt_rtl): Likewise.
        (expand_expr_stmt_value): Set last_expr_alt_rtl.
        (clear_last_expr): Clear it.
        (expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
        (expand_end_bindings): Save and restor last_expr_alt_rtl.
        * tree.def (RTL_EXPR): Give it an additional operand.
        * tree.h (RTL_EXPR_ALT_RTL): New macro.

2004-01-09  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
        * config/m32r/m32r.c (call26_operand): Allow in PIC mode.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/13380.
        * config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
        or (ne:SI (reg:CC 17) (const_int 0)).
        Be specific about modes wherever possible.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_expand_block_move): Call
        gen_movestrsi_internal with two more arguments.
        (m32r_output_block_move): Adjust operand numbers.
        Properly update the source and destination pointers.
        * config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
        'r+'.  Change the set detinations to match_operand.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c (FIRST_INSN_ADDRESS): Remove.
        (shorten_branches): Don't use FIRST_INSN_ADDRESS.
        * system.h (FIRST_INSN_ADDRESS): Poison.
        * config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_first_insn_address.
        * config/m32r/m32r.c (m32r_first_insn_address): Remove.
        * config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
        * doc/md.texi (FIRST_INSN_ADDRESS): Likewise.

2004-01-09  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (gen_enumeration_type_die): Return the DIE that
        we just created.
        (is_ada_subrange_type): DIEs for enumeration subtypes should be
        emitted as subrange types too.
        (subrange_type_die): Add handling of enumeration subtypes.

2004-01-08  Richard Henderson  <rth@redhat.com>

        PR opt/12441
        Revert: Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
        * i386.c (aligned_operand): Be prepared for SUBREGed registers.
        (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
        (ix86_address_cost): Be prepared for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2004-01-08  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Rename configure.in to configure.ac
        * doc/sourcebuild.texi: Likewise.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-01-08  Stuart Hastings  <stuart@apple.com>

        * config/i386/i386.md: Typos in MMX/SSE immediate shifts.

2004-01-08  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_decide_inlining):  Fix typo.

2004-01-08  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
        (UNSPEC_FIX_TRUNC_TF): New constant.
        (movtf_internal): Make splitter active only when insn is active.
        (extenddftf2): Rewrite to properly load zero into low part.
        (extenddftf2_internal): New.
        (extendsftf2): Rewrite.
        (truncdftf2): Correct length.
        (floatditf2): Delete.
        (fix_trunc_helper): New.
        (fix_trunctfdi2): Use fix_trunc_helper.
        (fix_trunctfsi2): Likewise.fix_trunc
        (fix_trunctfsi2_internal): New.

        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
        addresses are legitimate on Darwin even when flag_pic.
        (rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
        non-offsettable addresses for loads of TFmode constants.

2004-01-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
        variables in the appropriate bss section.

2004-01-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
        target_flags has MASK_POWERPC64 when -m64.
        * config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
        to 620, 630, power3, power4 and rs64a entries.
        * config/rs6000/rs6000.h (MASK_64BIT): Expand comment.

2004-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg): Fix construction of
        floating-point constants.

2004-01-08  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Add context_die parameter.
        Create the subrange_type DIE using the given context DIE.
        (modified_type_die): Update call to subrange_type_die.

2004-01-08  Zack Weinberg  <zack@codesourcery.com>

        * dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
        Add multiple-include guard.

2004-01-08  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
        all vector constant loadable by vsplt*.
        (output_vec_const_move): Likewise.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/6024
        * c-typeck.c (comptypes): Only treat enumerated types in the same
        translation unit as compatible with each other when they are the
        same type.
        * doc/extend.texi: Update.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12165
        * c-decl.c (grokdeclarator): Take type qualifiers of typedefed
        array type from the array element type.

2004-01-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
        * config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
        * config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
        (DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
        * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.

2004-01-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
        (DWARF2_DEBUGGING_INFO): Define.
        (PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
        * config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
        * config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
        for irix as.
        (SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
        * config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
        * config/mips/iris5gas.h: Ditto.
        (DBX_DEBUGGING_INFO): Remove.
        (DWARF2_DEBUGGING_INFO): Ditto.
        (MIPS_DEBUGGING_INFO): Ditto.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        * config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        (SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
        * config/mips/elf64.h: Ditto.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
        (STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.

2004-01-06  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
        (TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
        * config/rs6000/darwin-ldouble.c: New.

        * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
        for constants.
        (constant_subword): Delete.
        * rtl.h (constant_subword): Delete prototype.
        (immed_double_const): Is not in varasm.c.
        * simplify-rtx.c (simplify_immed_subreg): New.
        (simplify_subreg): Use simplify_immed_subreg.

        * config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
        than trying to generate RTL directly.
        (fix_trunctfsi2): Use expand_fix rather than trying to generate
        RTL directly.

        * dwarf2out.c (add_const_value_attribute): Remove incorrect comment.

2004-01-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
        function into a separate macro.
        (read_only_data_section): Add void argument.
        (private_data_section): Same.
        (read_only_private_data_section): Same.
        (toc_section): Same.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * invoke.texi:  Remove typo in last change.

        PR target/10301
        * config.gcc: Accept opteron and athlon-64 as variants
        of k8.
        * i386.c (override_options): Likewise.
        * invoke.texi (i386 -mtune): Expand documentation.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix comment typos.
        * builtins.c: Likewise.
        * cfg.c: Likewise.
        * df.c: Likewise.
        * dominance.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fold-const.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * ggc-zone.c: Likewise.
        * integrate.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * recog.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reorg.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.h: Likewise.
        * sched-ebb.c: Likewise.
        * simplify-rtx.c: Likewise.
        * toplev.c: Likewise.
        * varasm.c: Likewise.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/install.texi: Fix typos.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.

2004-01-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * i386.c (init_cumulative_args):  Add handling of MMX_REGPARM.
        (function_arg_advance):  Do not pass aggregates in SSE; deal handling
        of MMX_REGPARM.
        (function_arg): Add new warnings about ABI changes;  fix SSE_REGPARM;
        add MMX_REGPARM.
        * i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
        (SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
        (MMX_REGPARM_MAX): Similarly for -mmmx.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/linux.h: Fix comment formatting.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sh/vxworks.h: Likewise.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
        * toplev.c (output_file_directive): Don't use
        ASM_OUTPUT_MAIN_SOURCE_FILENAME.

2004-01-05  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30.

2004-01-05  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
        (USING_MMAP): We don't support non-mmap.
        (struct alloc_chunk): Steal 1 bit from typecode, use it to mark
        large objects.
        (struct page_entry): Remove bytes_free.
        (struct page_table_chain): Remove.
        (struct globals): Remove page_table member.
        (loookup_page_table_entry): Function deleted.
        (set_page_table_entry): Ditto.
        (ggc_allocated_p): No longer need page table lookups.
        (ggc_marked_p): Ditto.
        (alloc_small_page): Don't care about bytes_free anymore.
        (alloc_large_page): Round up size.
        (ggc_alloc_zone_1): Mark large objects as such, and calculate
        their size the new way.
        Remove page table lookups and setting.
        (ggc_get_size): Calculate large object size the new way.
        (sweep_pages): Redo to account for fact that we no longer have
        bytes_free.
        (ggc_collect): No longer need to reincrement bytes_free.
        (ggc_pch_alloc_object): Handle new large objects properly.
        (ggc_pch_read): Put PCH stuff into it's own uncollected zone.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove a page break.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (avr_output_function_prologue): Remove an
        extra pair of curly braces.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c: Fix comment formatting.
        * config/mn10300/mn10300.h: Likewise.

2004-01-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h: Update documentation on nothrow_flag.
        * print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
        types.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove traces of dead ports.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
        option.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        PR target/12945
        * coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
        counter labels.
        * config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
        (mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
        string constants if TARGET_MIPS16.  Use SYMBOL_REF_DECL to check
        the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
        (mips_symbol_insns): Don't trust the local/global classification.
        (m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
        (override_options): Make -mabicalls -fno-unit-at-a-time imply
        -mno-explicit-relocs.
        (mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
        between local and global symbols.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
        (mips_preferred_reload_class): Declare.
        * config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
        (EXTRA_CONSTRAINT): Update accordingly.
        (PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
        * config/mips/mips.c (mips_dangerous_for_la25_p): New function.
        (mips_preferred_reload_class): New function.  Prefer LEA_REGS if
        mips_dangerous_for_la25_p.
        (mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
        if mips_dangerous_for_la25_p.

2004-01-05  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
        warning.

2004-01-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Use AC_PROG_CPP_WERROR.
        * configure: Regenerate.

2004-01-04  Zack Weinberg  <zack@codesourcery.com>

        * .cvsignore: Add autom4te.cache.

2004-01-04  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Revamp documentation of MIPS options.  Remove
        -mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
        -m4650, -mfix7000 and -(m)no-crt0.  Put endianness options first,
        then architecture options, then ABI options.  General rewording.

2004-01-04  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/3414
        * doc/extend.texi: Clarify definition of malloc attribute.

2004-01-04  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
        * cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
        * cgraph.h (cgraph_edge): Replace inline_call by inline_failed
        (cgraph_inline_p): Add extra argument reason.
        * cgraphunit.c: Minor formating fixes.
        cgraph_first_inlined_callee): New functions.
        (record_call_1): Record builtins too.
        (cgraph_analyze_function): Update inline_failed messages.
        (cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
        cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
        (cgraph_check_inline_limits): Likewise; Add argument reason.
        (cgraph_set_inline_failed): New static function.
        (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
        reasons.
        (cgraph_inline_p): Add new argument reason.
        * tree-inline.c (expand_call_inline):  Update warning.

2004-01-03  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
        with modern equivalents.
        * configure: Regenerate.

        * configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
        * aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
        * configure: Regenerate.

        * doc/install.texi: Note that 'gcc' is now a 2.57 directory.

        * configure.in: Rename to configure.ac.
        * configure.ac: Renamed from configure.in; make minimum necessary
        changes for autoconf 2.5x.
        * aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
        * configure: Regenerate with autoconf 2.57.

2004-01-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/linux.h: Fix comment formatting.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mips/mips.md: Likewise.
        * config/mips/netbsd.h: Likewise.
        * config/mips/windiss.h: Likewise.

2004-01-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (fp constant pool splitter): Reorg suppression
        for sse and 387; add suppression for mmx.

2004-01-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * loop.c (loop_optimize): Free all loops_info's mems.

        * c-typeck.c (finish_init): Free spelling_base before
        setting it again.

        * cfgloop.c (flow_loops_find): Always free the sbitmap
        headers.

        * predict.c (estimate_probability): Free bbs after being
        done with it.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (PREDICATE_CODES): Add
        const_8bit_operand and call_address_operand.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_optimize_function):  Call optimize_inline_calls
        when there is nothing to inline but warnings are requested.
        (cgraph_decide_inlining):  Fix memory leak.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * expr.c (store_constructor):  Fix pasto in previous patch.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/cygming.h: Fix comment formatting.
        * config/i386/djgpp.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/openbsd.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/i386/xm-mingw32.h: Likewise.

2004-01-02  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
        copyright and last modification dates.

2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>

        * doc/install.texi (Specific): Mention x86_64.

2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

        * builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
        Call force_operand on plus_constant result.

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

        * expmed.c (store_bit_field, extract_bit_field): Use new named patterns
        * expr.c (store_constructor): Use vec_init pattern.
        * genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
        * optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
        (vec_set_optab, vec_extract_optab, vec_init_optab): New.
        * i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
        New patterns.
        (sse2_unpc?pd): Fix pattern.
        (sse2_movlpd): Kill.
        (sse2_movsd): Deal with movlpd too.
        * i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
        (ix86_expand_vector_init): New.
        * emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
        * md.texi (vec_set, vec_extract): Document

2003-12-31  Jan Hubicka  <jh@suse.cz>

        PR opt/13473
        * recog.c (validate_replace_rtx_1):  Take care for RTL sharing inside
        ASM input operands

        PR opt/12617
        * toplev.c (dump_file_index): Reorder ce3 and bbro.
        (dump_file): Likewise.
        (rest_of_compilation): Likewise.

        PR debug/13367
        * cgraph.c (cgraph_function_possibly_inlined):  Even with
        flag_really_no_inline we inline always_inline functions.
        * cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
        for non-always_inline functions when there is flag_really_no_inline.
        (cgraph_decide_inlining): Limit work done when not inlining.
        (cgraph_decide_inlining_incrementally): Likewise.
        (cgraph_optimize_function): Check whether something got inlined.
        * c-objc-common.c (c_disregard_inline_limits): Do not always inline
        extern inline functions when not inlining.

        * opts.c (decode_options):  Disable crossjumping at -O1
        * invoke.texi (-O1): Document change.

See ChangeLog.10 for earlier changes.