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

2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>

        * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
        TARGET_ASM_FILE_END to file_end_indicate_exec_stack.

2004-11-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-propagate.c (ssa_prop_init): Use FOR_ALL_BB instead
        of FOR_EACH_BB.

2004-11-18  Jon Grimm <jgrimm2@us.ibm.com>

        * Makefile.in (macro_list): Depend on s-macro_list.
        (s-macro_list): New target.

2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        PR target/17107
        * fold-const.c (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
        (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
        (fold_range_test): Adjust.
        (fold_truthop): Use it.
        * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
        (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.

2004-11-18  Uros Bizjak  <uros@kss-loka.si>

        * configure/i386/i386.md (*fix_trunch_1): Add "&& 1" to
        insn split constraint.
        (define_peephole2): Remove unneeded "&& 1" from peephole2
        constraints.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Maintaining the CFG): Remove duplicated @item
        element for bsi_prev; use @findex instead.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * opts.h (add_input_filename): Remove extern declaration.
        * opts.c (add_input_filename): Make static.

2004-11-17  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/i386.c (i386_solaris_elf_named_section): Mark with
        ATTRIBUTE_UNUSED.
  
2004-11-17  Zack Weinberg  <zack@codesourcery.com>

        * defaults.h, config/darwin.h: Don't define TARGET_SUPPORTS_HIDDEN.
        * system.h: Poison it.
        * doc/tm.texi: Delete its documentation.

2004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        * config/i386/sol2-10.h, config/i386/t-sol2-10: New files.
        * config/i386/i386.c (i386_solaris_elf_named_section): New
        function.
        * config.gcc (i[34567]86-*-solaris2*): Handle Solaris 2.10.
        * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Handle
        64-bit.
        (ASM_QUAD): Don't undefine for biarch targets.
        * config/i386/t-sol2: Introduce multilib support.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * cgraphunit.c: Replace "it's" with "its" and fix a typo.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * cgraph.h: Replace "it's" with "its" throughout.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * doc/rtl.texi (Flags): Grammar fix.

2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c (alg_code): Add alg_unknown.
        (alg_hash_entry): New.
        (NUM_ALG_HASH_ENTRIES): Likewise.
        (alg_hash): Likewise.
        (synth_mult): Cache the result into alg_hash.

2004-11-17  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/t-darwin: Augment SHLIB_MAPFILES with
        config/rs6000/libgcc-ppc64.ver.

2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (rtl_verify_flow_info): Don't use INSN_P when
        checking if an unconditional return is followed by a barrier.

        * jump.c (condjump_p): Remove unreachable code.

        * basic-block.h, c-common.h, df.h, expr.h, output.h, rtl.h,
        tree-chrec.h, tree-flow.h, tree-scalar-evolution.h,
        tree-ssa-live.h, tree.h: Remove unused prototypes.

2004-11-17  Jeff Law  <law@redhat.com>

        * tree-cfg.c (edge_to_cases): Renamed from edge_to_case_leader.
        (edge_to_cases_elt): Renamed from edge_to_case_leader.
        (edge_to_cases_hash): Renamed from edge_to_case_leader_hash.
        (edge_to_cases_eq): Renamed from edge_to_case_leader_eq.
        (edge_to_cases_cleanup, recording_case_labels_p): New functions.
        (get_cases_for_edge): New function.
        (start_recording_case_labels, end_recording_case_labels): Similarly.
        (record_switch_edge): Don't muck with the CASE_LABEL.  Instead
        chain equivalent CASE_LABEL_EXPRs together.
        (get_case_leader_for_edge, get_case_leader_for_edge_hash): Kill.
        (make_switch_expr_edges): Do not record edge/cases here.
        (cleanup_tree_cfg): Record cases around the call to thread_jumps.
        (split_critical_edges): Record cases around the edge splitting code.
        (cleanup_dead_labels): Use CASE_LABEL again.
        (tree_redirect_edge_and_branch): If we have a mapping from edge
        to cases, use it to handle redirections.  Else do it the slow way.
        * tree.h (CASE_LEADER_OR_LABEL): Kill.
        (CASE_LABEL): Revert to just looking at the tree's second operand.
        * tree.c (get_case_label): Kill.

2004-11-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18307
        * tree-ssa-alias.c (merge_pointed_to_info): ICE if 'dest' and
        'orig' are the same node.
        (collect_points_to_info_r): Do not call merge_pointed_to_info
        when the PHI argument is identical to the LHS.

2004-11-17  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-propagate.c (cfg_blocks_add): Assert we're not trying
        to insert the exit or entry block.
        (ssa_prop_init): Use add_control_edge to seed the algorithm.

2004-11-16  Zack Weinberg  <zack@codesourcery.com>

        * mkmap-flat.awk, mkmap-symver.awk: If the last version
        assigned to a symbol was '%exclude', do not emit it anywhere.
        If leading_underscore is true, prefix all symbols from the
        version scripts with a leading underscore before comparing
        them with nm output or emitting them.  Remove support for dot
        symbols.
        * config/t-slibgcc-darwin (SHLIB_LINK): Use mkmap-flat.awk.
        (SHLIB_MAPFILES): Use libgcc-std.ver.
        (SHLIB_MKMAP_OPTS): Enable leading-underscore mode.
        (SHLIB_LINK): Add -Wl,-exported_symbols_list,$(SHLIB_MAP).
        * config/sh/t-linux: Use the normal libgcc-std.ver, plus
        libgcc-excl.ver and libgcc-glibc.ver.

        * config/sh/libgcc-excl.ver: New file.
        * config/sh/libgcc-std.ver, libgcc-darwin.ver: Delete.

2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap
        the test when the edge has the opposite meaning, not when
        the first argument is invariant.

2004-11-16  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Split e500v2
        doubles.
        (rs6000_complex_function_value): Handle e500 v2 variant.

2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/18519

        * tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
        * tree-pass.h: Add TODO_cleanup_cfg.
        * tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
        (ccp_finalize): Remove call to cleanup_cfg.
        * tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
        (pass_cd_dce): Ditto.
        (perform_tree_ssa_dce): Remove call to cleanup_cfg,
        dump_function_to_file.
        * tree-ssa-loop-ch.c (copy_loop_headers): Remove call
        to cleanup_cfg.
        (pass_ch): Add TODO_cleanup_cfg.
        * tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
        cleanup_cfg.
        (pass_loop_done): Add TODO_cleanup_cfg.
        * tree-ssa-phiopt.c (pass_phiopt): Ditto.
        (tree_ssa_phiopt): Remove call to cleanup_cfg.

2004-11-16  Devang Patel  <dpatel@apple.com>

        * optabs.c (vector_compare_rtx): Fix COMPARISON_CLASS_P use.

2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c, ra-colorize.c: Fix comment typos.

        * doc/tm.texi: Fix typos.

2004-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        PR target/6123
        * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __PIC__ and
        __pic__ if PIC.

2004-11-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * regmove.c (regmove_optimize): Use lowpart_subreg instead of
        gen_rtx_SUBREG with incorrect offset to compute SRC_SUBREG.

2004-11-16  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (clean_predicate_lists): Update gcc_assert check.

2004-11-16  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c: Use rtl _P predicates.
        * config/mips/mips.h: Ditto.
        * config/mips/mips.md: Ditto.

2004-11-16  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.md (altivec_vandc): Canonicalize
        the pattern.

2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_cc_modes_compatible): New function.
        (TARGET_CC_MODES_COMPATIBLE): Target macro defined.

2004-11-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/18447
        * config/sh/sh.c (prepare_move_operands): Emit blockage insns
        before and after the insns for getting GOT address in non-PIC
        TLS_MODEL_INITIAL_EXEC tls sequence when the first scheduling
        is enabled.

2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcc/cse.c (struct change_cc_mode_args): New structure.
        (cse_change_cc_mode_insn): New function.
        (cse_change_cc_mode): Use validate_change to perfom changes.
        (cse_change_cc_mode_insns, cse_condition_code_reg):
        Call cse_change_cc_mode_insn.

2004-11-16  Steven Bosscher  <stevenb@suse.de>

        * stack.h: Remove.

2004-11-16  Steven Bosscher  <stevenb@suse.de>

        * config/i386/i386.c (x86_schedule): Fix typo, m_K6 intead of m_K8.

2004-11-15  Dale Johannesen  <dalej@apple.com>

        * tree-flow.h (add_referenced_temp_var):  Remove name from prototype.

2004-11-15  Dale Johannesen  <dalej@apple.com>

        * profile.c (compute_branch_probabilities):  Prevent
        crash with EH in RTL-based profiling.

2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (verify_expr): Replace TREE_OPERAND with
        COND_EXPR_COND.
        * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
        * tree-ssa-dom.c (thread_across_edge): Likewise.
        * tree-vectorizer.c (vect_transform_loop_bound): Replace
        TREE_OPERAND with COND_EXPR_COND, COND_EXPR_THEN, or
        COND_EXPR_ELSE.

        * tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
        (tree_flow_call_edges_add): Update the call to
        bsi_commit_edge_inserts.
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
        * profile.c (branch_prob): Likewise.
        * tree-mudflap.c (mf_decl_cache_locals): Likewise.
        * tree-sra.c (scalarize_function): Likewise.
        * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
        * tree-ssa-pre.c (fini_pre): Likewise.
        * tree-flow.h: Update the prototype for
        bsi_commit_edge_inserts.

2004-11-15  Eric Christopher  <echristo@redhat.com>

        * sched-deps.c (set_sched_group_p): Delete.
        (delete_all_dependencies): New function.
        (fixup_sched_groups): Use. New function.
        (sched_analyze_insn): Use.

2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (binary_op_error): Don't allow LROTATE_EXPR,
        RROTATE_EXPR or unknown code.
        * c-typeck.c (build_binary_op): Don't allow RROTATE_EXPR,
        LROTATE_EXPR, MAX_EXPR, MIN_EXPR, UNORDERED_EXPR, ORDERED_EXPR,
        UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR
        or unknown code.

2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18498
        * c-decl.c (grokdeclarator): Call check_bitfield_type_and_width
        after processing the declarator.

2004-11-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.md ("altivec_vsplth"): Rewrite with
        vec_duplicate.
        (altivec_vspltb): Same.
        (altivec_vspltw): Same.
        (altivec_vspltisb): Same.
        (altivec_vspltish): Same.
        (altivec_vspltisw): Same.
        (altivec_vspltisw_v4sf): Same.
        (define_constants): Remove UNSPEC_VSPLTISB, UNSPEC_VSPLTISW,
        UNSPEC_VSPLTISH.
        Move "End of vector xor's" comment to the right place.

2004-11-15  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (*movtf_internal):  Use destination_operand
        instead of nonimmediate_operand.

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/i386/sol2.h (ASM_OUTPUT_CALL): Use print_operand.
        * config/sparc/sol2.h (ASM_OUTPUT_CALL): Likewise.
        * config/sol2.c (solaris_output_init_fini): Update calls to
        ASM_OUTPUT_CALL.  Include "rtl.h".

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/sol2-c.c (cmn_err_char_table): Add "p".

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/sparc/sol2.h (SUPPORTS_INIT_PRIORITY): Remove.
        * config/sol2.h (SUPPORTS_INIT_PRIORITY): Define here.

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/t-slibgcc-sld (SHLIB_LINK): Make symlinks entirely
        within the multilib directory.

2004-11-15  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Add
        builtin assert of cpu=xstormy16.

2004-11-15  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-ssa-pre.c (bitmap_print_value_set): Fix uninitialized
        variable.

2004-11-14  Richard Henderson  <rth@redhat.com>

        PR 18480
        * calls.c (struct arg_data): Add parallel_value.
        (precompute_register_parameters): Set it.
        (load_register_parameters): Use it.
        (store_one_arg): Also set it here.

2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18431
        * fold-const.c (associate_trees): Do not produce x + 0.
        (fold_widened_comparison, fold_sign_changed_comparison): New functions.
        (fold): Use them.
        * tree-ssa-loop-niter.c (upper_bound_in_type, lower_bound_in_type):
        Moved ...
        * tree.c (upper_bound_in_type, lower_bound_in_type): Here.
        * tree.h (upper_bound_in_type, lower_bound_in_type): Declare.

2004-11-14  Eric Botcazou <ebotcazou@libertysurf.fr>

        * doc/rtl.texi (SUBREG): Adjust BYTENUM value in example.

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c, global.c, tree-ssa-copy.c, tree-ssa-loop-ivopts.c,
        value-prof.c: Fix comment typos.

2004-11-14  Stan Shebs  <shebs@apple.com>

        Basic ABI changes for passing structs by value in 64-bit Darwin.
        * config/rs6000/rs6000.c (rs6000_darwin64_abi): New flag.
        (rs6000_override_options): Set it for 64-bit Darwin.
        (rs6000_parse_abi_options): Add testing options to change it.
        (rs6000_return_in_memory): Test whether the type is one
        that can be passed in registers.
        (darwin64_function_arg_advance): New.
        (function_arg_advance): Call it, plus add recursion depth
        argument and test when counting off arguments.
        (rs6000_darwin64_function_arg): New.
        (function_arg): Call it.
        (setup_incoming_varargs): Add argument to function_arg_advance.
        (rs6000_darwin64_function_value): New.
        (rs6000_function_value): Call it.
        * config/rs6000/rs6000.h (FUNCTION_ARG_ADVANCE): Pass depth arg.
        * config/rs6000/rs6000-protos.h: Update decl of
        function_arg_advance.

2004-11-14  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17279
        * c-common.c (c_common_nodes_and_builtins): Ask the back-end if we
        support TImode before adding __int128_t and __uint128_t types.

2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18400
        * tree-vectorizer.c (make_loop_iterate_ntimes): Set loop->nb_iterations.
        (vect_transform_loop_bound): Set loop->nb_iterations.

2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18425
        * tree-vectorize.c (vect_build_loop_niters): Do not insert
        NULL into the instruction stream. Initialize new_bb to NULL.
        (vect_update_ivs_after_vectorizer): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.

2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18431
        * tree-flow.h (stmt_references_memory_p): Declare.
        * tree-ssa-loop-im.c (stmt_cost): Use stmt_references_memory_p.
        * tree-ssa.c (stmt_references_memory_p): New function.

2004-11-14  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (lambda-code.o, tree-loop-linear.o): Depend on
        $(EXPR_H).

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

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

        * emit-rtl.c (push_to_full_sequence): Remove.
        * rtl.h: Remove the corresponding prototype.

        * cselib.c, expr.c: Fix comment typos.

2004-11-13  Richard Henderson  <rth@redhat.com>

        * calls.c (precompute_register_parameters): Force all PARALLELs
        into pseudo registers.
        (load_register_parameters): Copy PARALLELs into hard registers.
        * function.c (assign_parm_setup_block): Copy PARALLELS into
        pseudo registers.  Do emit_group_store in conversion_insns.
        * expr.c (emit_group_load_1): Rename from emit_group_load, take
        tmps as an argument.  Move final copy loop ...
        (emit_group_load): ... here.  New function.
        (emit_group_load_into_temps, emit_group_move_into_temps): New.
        * expr.h: Declare them.

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c, tree-if-conv.c, tree-ssa-loop-ivopts.c,
        tree-ssa-loop-manip.c, tree-vectorizer.c: Replace TREE_CHAIN
        with PHI_CHAIN where appropriate.

2004-11-13  Dale Johannesen  <dalej@apple.com>

        * tree-flow.h (bsi_commit_one_edge_insert): Remove name from prototype.
        (tree_block_label): Ditto.
        (flush_pending_stmts): Ditto.
        (insert_edge_copies): Ditto.
        (expr_invariant_in_loop_p): Ditto.
        (TDF_USE_OPS): Parenthesize definition.
        (TDF_USE_VOPS): Ditto.

2004-11-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix51.h (ASM_CPU_SPEC): Add 970 and G5.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Same.
        (atoll): Declare.
        * config/rs6000/t-aix52 (BOOT_LDFLAGS): Define.

2004-11-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (override_options): Move loop to set default
        tuning to correct place.

2004-11-13  Zak Kipling  <zak@transversal.com>

        PR target/18300
        * config/i386/i386.c (classify_argument): Fix infinite loop when
        passing object with 3 or more base classes by value.

2004-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/md.texi (constraints) <% modifier>: Mention that it is
        useless when the two alternatives are strictly identical.

2004-11-13  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_split_bit_field): Temporarily disable call to
        extract_force_align_mem_bit_field.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.c, bitmap.h, expmed.c, tree-cfg.c: Fix comment
        formatting.

        * c-cppbuiltin.c, cgraph.c, domwalk.h, except.c, gimplify.c,
        lambda-code.c, postreload.c, predict.c, tree-sra.c,
        tree-ssa-loop-manip.c, tree.c: Fix comment typos.

2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi (automake): Correctly document that everything now
        will use automake 1.9.3.

2004-11-13  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18347
        * config/mmix/mmix.c (mmix_function_outgoing_value): Handle
        TImode.  Sorry for other non-complex larger-than-64-bit modes.
        * config/mmix/mmix.h (MIN_UNITS_PER_WORD): Do not define.

2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi (automake): Document that everything now uses 1.9.

2004-11-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * cse.c (cse_insn): Stores in a libcall sequence can invalidate
        previous loads.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree.h: Fix comment typos.

2004-11-13  Steven Bosscher  <stevenb@suse.de>

        * cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and
        HARD_REGISTER_NUM_P.

        * cselib.c (new_cselib_val): Make comment correct and more detailed.
        * flow.c (mark_set_1): Likewise.

        * except.c (duplicate_eh_region_1, duplicate_eh_region_2,
        duplicate_eh_regions): Remove.
        * except.h (duplicate_eh_regions): Remove prototype.
        * integrate.c (get_label_from_map, copy_rtx_and_substitute,
        global_const_equiv_varray): Remove.
        * integrate.h (get_label_from_map, copy_rtx_and_substitute,
        global_const_equiv_varray, set_label_in_map): Remove prototypes,
        extern declaration, and #define.
        (MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove.
        (struct inline_remap): Remove.
        * varray.c (struct element): Remove entry for const_equiv_data.
        * varray.h (struct const_equiv_data): Remove.
        (enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
        (union varray_data_tag) <const_equiv>: Remove.
        (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV,
        VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove.

        * regstack.c (record_label_references): Remove unused function.

        * rtl.def (VALUE): Update comment.
        (LABEL_REF): Remove unused operand 2.
        * rtl.h (struct rtx_def): Update for removed accessor macros.
        (XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN,
        REG_LOOP_TEST_P): Remove.
        (ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments.
        * web.c (entry_register): Don't copy REG_LOOP_TEST_P.
        * doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.

2004-11-13  James A. Morrison  <phython@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/18230
        * config/sparc/sparc.c (sparc_rtx_costs): Handle the NAND vector
        patterns.
        * config/sparc/sparc.md (V64I): New macro for 64-bit modes.
        (V32I): New macro for 32-bit modes.
        (anddi3, anddi_sp32, anddi_sp64, and_not_di_sp32, and_not_di_sp64,
        iordi3, iordi3_sp32, iordi_sp64, or_not_di_sp32, or_not_di_sp64,
        xordi3, xordi3_sp32, xordi3_sp64, {AND, IOR, XOR} DI splitter,
        xor_not_di_sp32, xordi_not_di_sp64, one_cmpldi2, one_cmpldi_sp32,
        one_cmpldi_sp64): Use V64I instead of DI.
        (andsi3, andsi_sp32, andsi_sp64, and_not_si, iorsi3, or_not_si,
        xorsi3, xor_not_si, one_cmplsi2): Use V32I instead of SI.
        (addv2si3, addv4hi3, addv2hi3): Remove % modifier.
        (nandv64i_vis, nandv32i_vis): New patterns.

2004-11-12  Mike Stump  <mrs@apple.com>

        * Makefile.in: Add html support.
        * java/Make-lang.in: Likewise.
        * fortran/Make-lang.in: Likewise.
        * treelang/Make-lang.in: Likewise.
        * doc/install.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-11-12  Mike Stump  <mrs@apple.com>

        * doc/cppinternals.texi (Index): Fix html generation with makeinfo by
        renaming this node to Concept Index.
        * doc/gccint.texi (Index): Likewise.  Also minor formatting tweaks
        to more closely match gcc.texi.

2004-11-12  Jeff Law  <law@redhat.com>

        * tree-cfg.c (hashtab.h): Include.
        (struct edge_to_case_leader_elt): New structure.
        (edge_to_case_leader): New.
        (edge_to_case_leader_hash): New hashtable hasing function.
        (edge_to_case_leader_eq): New hashtable equality function.
        (record_switch_edge): New function.
        (get_case_leader_for_edge, get_case_leader_for_edge): New functions.
        (make_switch_expr_edges): Build the edge-to-case-leader
        hash table.  Tear down the hash table when we're done.
        (cleanup_dead_labels): Use CASE_LEADER_OR_LABEL instead of
        CASE_LABEL.
        (tree_node_can_be_shared): Allow sharing of CASE_LABEL_EXPR nodes.
        (tree_redirect_edge_and_branch, case SWITCH_EXPR): Update
        to use new concept of case leaders to reduce overhead of
        redirecting outgoing edges from switch statements.
        * tree.c (get_case_label): New function.
        * tree.h (CASE_LABEL): Define in terms of get_case_label.
        (CASE_LEADER_OR_LABEL): Define.

2004-11-12  Ziemowit Laski  <zlaski@apple.com>

        * varasm.c (output_addressed_constants): For CONST_DECLs,
        output the initializer if present.

2004-11-12  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/darwin.h: Fix confusing typo in comment.

2004-11-12  Devang Patel  <dpatel@apple.com>

        * optabs.c (vector_compare_rtx): Use COMPARISON_CLASS_P.

2004-11-12  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (clean_predicate_lists): Use loop header
        and latch directly.

2004-11-12  Richard Henderson  <rth@redhat.com>

        PR 17778
        * config/i386/i386.h (TARGET_96_ROUND_53_LONG_DOUBLE): New.
        * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
        (TARGET_96_ROUND_53_LONG_DOUBLE): New.
        * config/i386/i386-modes.def (XF): Use it.

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

        * Makefile.in (macro_list): Use move-if-change to avoid spurious
        rebuilds.

2004-11-12  Mark Mitchell  <mark@codesourcery.com>

        PR c++/18416
        * passes.c (rest_of_decl_compilation): Do not look at DECL_RTL
        when deciding whether to pass a variable to
        cgraph_varpool_finalize_decl or assemble_variable.
        * toplev.c (check_global_declarations): Do not clear DECL_RTL.

2004-11-12  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * genconfig.c (walk_insn_part): Look at match_dups inside a label_ref.

2004-11-12  Diego Novillo  <dnovillo@redhat.com>

        * tree-scalar-evolution.c (analyzable_condition): Remove
        superfluous TREE_THIS_VOLATILE checks on SSA_NAMEs.

2004-11-12  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
        Remove m505/roe multilib variant.

2004-11-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * expr.c (emit_group_load) <CONCAT>: Use extract_bit_field
        to load from the stack.

2004-11-12  Richard Henderson  <rth@redhat.com>

        * toplev.c (floor_log2): Rename from floor_log2_wide, use CLZ_HWI.
        (exact_log2): Rename from exact_log2_wide, use CTZ_HWI.
        * toplev.h (FL2T__): Remove.
        (CLZ_HWI): Rename from FL2T_CLZ__.
        (CTZ_HWI): New.
        (floor_log2): Simplify.
        (exact_log2): New.

2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.c (analyze_subscript_affine_affine): Correctly
        compute the first overlapping iterations.

2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR middle-end/18005
        * tree-data-ref.c (estimate_niter_from_size_of_data): Ensure
        that arguments of EXACT_DIV_EXPR are INTEGER_CST.

2004-11-12  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/18419
        * tree-ssa.c (walk_use_def_chains_1): Make the visited map a
        pointer set instead of a bitmap.
        (walk_use_def_chains): Create, pass and clean up that pointer_set.

        * tree-ssa-alias.c (struct alias_info): Make the ssa_names_visited
        field an sbitmap.
        (init_alias_info): Allocate and zero it here.
        (delete_alias_info): Delete it here.
        (collect_points_to_info_for): Use it.

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

        * alias.c (record_alias_subset, addr_side_effect_eval):
        Make them static.
        * alias.h: Remove the prototype for record_alias_subset.
        * expr.h: Remove the commented-out prototype for
        record_alias_subset.
        * rtl.h: Remove the prototype for addr_side_effect_eval.

        * cfglayout.c (choose_inner_scope): Make it static.
        * rtl.h: Remove the corresponding prototype.

        * cfgloopmanip.c (update_single_exits_after_duplication,
        unloop): Make them static.
        * cfgloop.h: Remove the corresponding prototypes.

        * c-typeck.c (c_size_in_bytes, record_maybe_used_decl):
        Make them static.
        * c-tree.h: Remove the corresponding prototypes.

        * explow.c (round_push): Make it static.
        * expr.h: Remove the corresponding prototype.

        * varasm.c (get_named_section_flags, decl_tls_model): Make
        them static.
        * output.h: Remove the prototype for get_named_section_flags.
        * tree.h: Remove the prototype for decl_tls_model.

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

        * function.c (expand_function_end): Remove an "if" statement
        that always triggers.
        * stmt.c (expand_null_return_1): Likewise.

2004-11-11  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle XCmode.
        (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, SECONDARY_MEMORY_NEEDED,
        CLASS_MAX_NREGS): Likewise.

2004-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17742
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
        MINUS_EXPR correctly.

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

        * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
        Give up as soon as the evolution is known not computable.

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

        PR target/16457
        * config/rs6000/rs6000.c (mask64_2_operand): Stub to call
        mask64_1or2_operand.
        (mask64_1or2_operand): Broken out of mask64_2_operand, add flag
        to spot rlwinm opportunities.
        (and64_2_operand): Use mask_1or2_operand.
        * config/rs6000/rs6000.md (anddi3): Use rlwinm when possible.

2004-11-11  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (update_phi_nodes_for_guard): Call reverse_phis.
        (vect_update_ivs_after_vectorizer): Update function documentation.
        Avoid quadratic behavior and direct write to PHI_ARG_DEF.

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

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

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

        * bitmap.h (nBITMAP_WORD_BITS): Remove.
        (BITMAP_WORD_BITS): Force unsigned by use of 1u.
        (BITMAP_ELEMENT_WORDS, BITMAP_ELEMENT_ALL_BITS): Remove
        unnecessary casts.
        (bitmap_first_set_bit): Return unsigned, use ctzl.
        (bitmap_last_set_bit): Remove.
        * bitmap.c (bitmap_element_zerop, bitmap_copy): Make iterator
        unsigned.
        (bitmap_first_set_bit): Return unsigned, require non-empty bitmap,
        remove special case code for two word elements.
        (bitmap_last_set_bit): Remove.
        * ra-build.c (livethrough_conflicts_bb): Replace unnecessary use of
        bitmap_first_set_bit with bitmap_empty_p.
        * tree-outof-ssa.c (analyze_edges_for_bb): Likewise.
        * tree-ssa-pre.c (bitmap_print_value): Use simple flag rather than
        bitmap_last_bit_set.

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

        PR target/16796
        * config/rs6000/rs6000.md: Add DF & SF reg move peepholes.

        PR target/16458
        * config/rs6000/rs6000.c (rs6000_generate_compare): Generate an
        unsigned equality compare when we know the operands are unsigned.

2004-11-10  Peter S. Mazinger  <ps.m@gmx.net>

        * config/mips/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Define
        __PIC__ and __pic__ only if TARGET_ABICALLS.
        (SUBTARGET_CPP_SPECS): Don't define or undefine __PIC__ and __pic__.
        (SUBTARGET_ASM_SPECS): Don't pass -non_shared to assembler; pass
        -KPIC only if not -mno-abicalls.

        * config/alpha/linux.h, config/arm/linux-elf.h, config/pa/pa-linux.h
        * config/sparc/linux.h, config/sparc/linux64.h
        (TARGET_OS_CPP_BUILTINS): Define __PIC__ and __pic__ if flag_pic.

        * config/arm/linux-gas.h (CPP_SPEC): Don't define __PIC__ or __pic__.
        * config/pa/pa/linux.h (CPP_SPEC): Likewise.
        * config/sparc/linux.h (CPP_SUBTARGET_SPEC): Likewise.
        * config/sparc/linux64.h (CPP_SUBTARGET_SPEC): Likewise.

2004-11-11  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Save PIC
        register if current_function_uses_pic_offset_table is set.

2004-11-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (define_attr "type"): Add two and three.
        Change multi-instruction sequences to new attribute.
        * config/rs6000/{40x.md,440.md,603.md,6xx.md,
        7450.md,7xx.md,8540.md,mpc.md,power4.md,power5.md,
        rios1.md,rios2.md,rs64.md}: Add descriptions for two and three.

2004-11-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (build_classic_dist_vector): If either loop
        is outside of the nest we asked about, the dependence can't
        matter.
        (build_classic_dir_vector): Ditto.

2004-11-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (get_address_cost): Add address elements in
        right order.
        (force_var_cost): Determine cost of addition and multiplication more
        precisely.
        (get_computation_cost_at): Add cost for computing address elements to
        the final cost.

        * fold-const.c (fold): Attempt to use ptr_difference_const whenever
        one of the arguments of MINUS_EXPR is an address.
        (split_address_to_core_and_offset): New function.
        (ptr_difference_const): Handle case when one of the operands is a
        pointer.
        * tree-ssa-loop-ivopts.c (determine_base_object): Fold &*addr.
        (ptr_difference_cost): Pass addresses instead of objects to
        ptr_difference_const.

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

        * tree.c (tree_check_failed): Emit general error if the list of
        node types is empty.

2004-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_union_value): New 'slotno'
        argument.  When the union is passed in the 6th slot, build a
        PARALLEL with only one element.
        (function_arg): Adjust call to function_arg_union_value.
        (function_value): Likewise.

2004-11-10  Fariborz Jahanian <fjahanian@apple.com>

        PR tree-optimization/17892
        * tree-ssa-dom.c (unsafe_associative_fp_binop): Add test for
        MINUS_EXPR operator.

2004-11-10  James A. Morrison  <phython@gcc.gnu.org>

        PR target/18230
        config/sparc/sparc.md (addsi3, subsi3): Set "fptype" attribute.
        (addv2si, addv4hi, addv2hi, subv2si, subv4hi, subv2hi): New patterns.

2004-11-10  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (XMALLOC_REG_SET, XFREE_REG_SET): New.
        (struct basic_block_def): Remove local_set and cond_local_set
        fields.  Update comment for global_live_at_start.
        * flow.c (calculate_global_regs_live): Allocate local_sets and
        cond_local_sets here as arrays of bitmaps previously stored in
        bb->local_set and bb->cond_local_set.  Use xmalloc instead of
        obstack allocated bitmaps.

2004-11-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/18380
        * config/ia64/unwind-ia64.h (_Unwind_FindTableEntry): Mark it
        hidden.

        * unwind-dw2.c (_Unwind_FindTableEntry): Removed.

2004-11-09  Jeff Law  <law@redhat.com>

        * cfganal.c (flow_dfs_compute_reverse_execute): Accept new
        argument holding last unvisited block.  Start search for
        unvisited blocks at LAST_UNVISITED rather than EXIT_BLOCK.
        (connect_infinite_loops_to_exit): Supply last unvisited block
        to flow_dfs_compute_reverse_execute.

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

        * config/rs6000/rs6000.md (fix_truncdfsi2): Handle e500
        doubles.
        (floatunssidf2): Same.
        (floatsidf2): Same.
        ("extendsfdf2"): New expander.
        (*extendsfdf2_fpr): Rename.
        (*truncdfsf2_fpr): Same.
        (*negdf2_fpr): Same.
        (*absdf2_fpr): Same.
        (*nabsdf2_fpr): Same.
        (*adddf3_fpr): Same.
        (*subdf3_fpr): Same.
        (*muldf3_fpr): Same.
        (*divdf3_fpr): Same.

        * config/rs6000/spe.md ("spe_extendsfdf2"): Remove FIXME comment.
        ("spe_fix_truncdfsi2"): Same.
        (spe_floatunssidf2): Same.
        (spe_floatsidf2): Same.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18322
        * c-common.c (fname_decl): Don't use line number of decl in
        diagnostic.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_pool_operand): Remove.
        * config/s390/s390.c (s390_pool_operand): Likewise.
        (s390_extra_constraint_str): Handle 'B' constraints.
        * config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
        * config/s390/s390.md: Document 'B' constraints.
        ("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
        s390_pool_operand to prevent insns with two literal pool
        references.  Make pattern commutative.
        ("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
        'B' constraint instead of s390_pool_operand.

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

        * tree-cfg.c (create_bb): Remove unnecessary memset.

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

        * tree-ssa-threadupdate.c (copy_phis_to_block): Remove.
        (thread_block): Call flush_pending_stmt instead of
        copy_phis_to_block.

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

        * loop-iv.c (iv_number_of_iterations): Make it static.
        * cfgloop.h: Remove the corresponding prototype.

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

        * function.c (combine_temp_slots, assign_parms,
        expand_pending_sizes): Make them static.
        * tree.h: Remove the corresponding prototypes.

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

        * emit-rtl.c (copy_most_rtx): Remove.
        * rtl.h: Remove the corresponding prototype.

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

        * cfgloop.c (flow_loops_update): Remove.
        * cfgloop.h: Remove the corresponding prototype.

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

        * conflict.c (mark_reg, conflict_graph_compute): Remove.
        * basic-block.h: Remove the prototype for
        conflict_graph_compute.

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

        * tree-if-conv.c (add_to_dst_predicate_list): Change the
        second argument to basic_block.
        (tree_if_convert_cond_expr): Update call sites.

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

        * fold-const.c (pedantic_non_lvalue): Make it static.
        * tree.h: Remove the corresponding prototype.

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

        * optabs.c (prepare_operand): Make it static.
        * optabs.h: Remove the corresponding prototype.

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

        * reload1.c (reloads_conflict, gen_reload): Make them static.
        * reload.h: Remove the corresponding prototypes.

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

        * reload.c (refers_to_mem_for_reload_p,
        refers_to_regno_for_reload_p): Make them static.
        * reload.h: Remove the corresponding prototypes.

2004-11-09  James A. Morrison  <phython@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/18230
        * doc/md.texi (SPARC constraints): Document 'Y' constraint.
        * config/sparc/sparc-modes.def: Add vector modes of 4 and 8 bytes.
        * config/sparc/sparc.c (sparc_vector_mode_supported_p): New function.
        (TARGET_VECTOR_MODE_SUPPORTED_P): Set to sparc_vector_mode_supported_p.
        (fp_zero_operand): Accept MODE_VECTOR_INT modes.
        (input_operand): Accept CONST_VECTOR with MODE_VECTOR_INT modes.
        (sparc_cannot_force_const_mem): Return false for CONST_VECTOR.
        (sparc_init_modes): Set sparc_mode_class to SF_MODE or DF_MODE for
        MODE_VECTOR_INT modes.
        (sparc_extra_constraint_check): Add new constraint 'Y'.
        * config/sparc/sparc.h: Define UNITS_PER_SIMD_WORD to 8 for TARGET_VIS.
        * config/sparc/sparc.md (V32): New mode macro for 32-bit modes.
        (V64): New mode macro for 64-bit modes.
        (movsf): Use V32 for mode instead of SF.
        (movsf_insn_vis): Use V32 for mode instead of SF.  Add 'Y' constraint
        alongside 'G' constraint.
        (movdf): Use V64 for mode instead of DF.
        (movdf_insn_v9only_vis, modf_insn_sp64_vis): Use V64 for mode instead
        of DF.  Add 'Y' constraint alongside 'G' constraint.
        (multi-isn and misaligned mems DFmode splitters): Use V64 for mode
        instead of DF.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_select_ccmode): Return CCAPmode for
        integer NEG and ABS.
        * config/s390/s390.md ("*negdi2_64"): Fix op_type attribute.
        ("*negdi2_31"): Reimplement using a splitter.
        ("*negdi2_cc", "*negdi2_cconly"): New insns.
        ("*negdi2_sign", "*negdi2_sign_cc"): Likewise.
        ("*negsi2_cc", "*negsi2_cconly"): Likewise.
        ("*negdf2_cc", "*negdf2_cconly"): Likewise.
        ("*negsf2_cc", "*negsf2_cconly"): Likewise.
        ("*absdi2_cc", "*absdi2_cconly"): New insns.
        ("*absdi2_sign", "*absdi2_sign_cc"): Likewise.
        ("*abssi2_cc", "*abssi2_cconly"): Likewise.
        ("*absdf2_cc", "*absdf2_cconly"): Likewise.
        ("*abssf2_cc", "*abssf2_cconly"): Likewise.
        ("*negabsdi2_cc", "*negabsdi2_cconly"): New insns.
        ("*negabsdi2_sign", "*negabsdi2_sign_cc"): Likewise.
        ("*negabssi2_cc", "*negabssi2_cconly"): Likewise.
        ("*negabsdf2_cc", "*negabsdf2_cconly"): Likewise.
        ("*negabssf2_cc", "*negabssf2_cconly"): Likewise.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_canonicalize_comparison): Reverse condition
        when eliminating an UNSPEC_CMPINT.
        (s390_secondary_input_reload_class): Fix test for CC register reload.
        (s390_secondary_output_reload_class): Likewise.
        (s390_expand_cmpmem): Swap operands.  Use gen_cmpint.
        * config/s390/s390.md ("*cmpint_si", "*cmpint_di"): Remove.
        ("cmpint", "*cmpint_cc", "*cmpint_sign", "*cmpint_sign_cc"): New
        insn patterns with splitters.

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

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
        * config/rs6000/rs6000.md (sCC): Split GTU and LTU patterns.

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

        * tree-phinodes.c (phi_reverse): New.
        * tree-cfg.c (tree_make_forwarder_block, tree_duplicate_bb):
        Use it.
        * tree-flow.h: Add a prototype for phi_reverse.

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

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

2004-11-09  James A. Morrison  <phython@gcc.gnu.org>

        PR pch/14940
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __sparc__
        definitions.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        * builtins.c, c-common.c, c-decl.c, c-format.c: Say "argument"
        instead of "arg" in diagnostics.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        * builtins.c, c-common.c, c-decl.c, c-format.c, c-format.h,
        c-parse.in, c-pch.c, c-pragma.c, collect2.c, final.c, gcc.c,
        gcov.c, opts.c, pretty-print.h, protoize.c, reg-stack.c, rtl.c,
        tlink.c, config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
        config/avr/avr.c, config/c4x/c4x.c, config/darwin.c,
        config/frv/frv.c, config/h8300/h8300.c, config/i386/i386.c,
        config/i386/winnt.c, config/ia64/ia64.c, config/ip2k/ip2k.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/m68hc11/m68hc11.c, config/m68k/m68k.c, config/m68k/m68k.h,
        config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.c,
        config/ns32k/ns32k.c, config/rs6000/host-darwin.c,
        config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
        config/sh/symbian.c, config/stormy16/stormy16.c,
        config/v850/v850.c: Avoid "`" as left quote, using "'" or %q, %<
        and %> as appropriate.  Use %' as apostrophe in diagnostics where
        applicable.  Use %< and %> in place of '' quotes where applicable.
        Use %qs in place of %<%s%>.  Consistently quote __builtin function
        names.

2004-11-09  Hans-Peter Nilsson  <hp@bitrange.com>

        * gdbinit.in (pbb, pbm): New macros.

2004-11-08 Jeff Law  <law@redhat.com>

        * cfg.c (redirect_edge_succ_nodup): Use find_edge rather than
        implementing it inline.

        * cfganal.c (find_edge): Search pred->succs or succ->preds,
        whichever is shorter.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_jump): Remove dead code.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by keeping a pointer to
        the last used element in the worklist.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c (remap_save_expr): Make it static.
        * tree-inline.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-niter.c (upper_bound_in_type,
        lower_bound_in_type): Make them static.
        * tree.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-live.c (tpa_init, pop_best_coalesce): Make them
        static.
        * tree-ssa-live.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (tree_if_conversion): Make it static.
        * tree-flow.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-operands.c (build_ssa_operands): Make it static.
        * tree-flow.h: Remove the corresponding prototype.

2004-11-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18299
        * tree-inline.c (copy_body_r): Change "t = t" to empty
        statement instead of "t".

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * modulo-sched.c (create_partial_schedule,
        free_partial_schedule, reset_partial_schedule,
        ps_add_node_check_conflicts, rotate_partial_schedule): Make
        them static.

2004-11-08  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_force_align_mem_bit_field): Correct handling at
        the end of a page.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * sched-deps.c (add_insn_mem_dependence): Make it static.
        * sched-int.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * flow.c (allocate_bb_life_data): Make it static.
        * basic-block.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c (split_complex_values, split_complex_types): Make
        them static.
        * expr.h: Remove the corresponding prototypes.

2004-11-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_handle_notshared_attribute): Wrap declaration and use
        with #if TARGET_DLLIMPORT_DECL_ATTRIBUTES.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (tree_if_convert_cond_expr): Remove two "if"
        statements that always trigger.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c, tree-if-conv.c, tree-into-ssa.c,
        tree-scalar-evolution.c, tree-ssa-loop-im.c,
        tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa.c,
        tree-vectorizer.c: Replace TREE_CHAIN with PHI_CHAIN where
        appropriate.

2004-11-08  Ben Elliston  <bje@au.ibm.com>

        * cgraph.h (cgraph_calls_p): Remove.
        * cgraph.c (cgraph_calls_p): Likewise.

        * varray.h (varray_copy): Remove.
        * varray.c (varray_copy): Likewise.

2004-11-07  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18269
        * config/darwin.c (machopic_indirect_data_reference):
        Call gen_macho_high and gen_macho_low instead of
        checking the mode and calling gen_macho_high_di directly.
        * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
        * config/rs6000/rs6000.md: Move most of TARGET_MACHO expand/insns
        to darwin.md.
        (movdf_low, movsf_low, movsf_low_st, movsi_low, macho_correct_pic,
        load_macho_picbase, macho_low, macho_high): Removed.
        (builtin_setjmp_receiver): Call gen_macho_high and
        gen_macho_low instead of checking the mode and calling
        gen_macho_high_di directly.
        * config/rs6000/darwin.md (load_macho_picbase_di): Use the MD constant.
        (movdf_low_si, movsf_low_si, movsf_low_st_si, movsi_low_st):
        Moved from rs6000.md.
        (macho_high): New expander.
        (macho_high_si): Renamed version of macho_high from rs6000.md.
        (macho_low): New expander.
        (macho_low_si): Renamed version of macho_low from rs6000.md.
        (load_macho_picbase): New expander.
        (load_macho_picbase_si): Renamed version of load_macho_picbase
        from rs6000.md.
        (macho_correct_pic): New expander.
        (macho_correct_pic_si): Renamed version of macho_correct_pic
        from rs6000.md.

2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (finish_struct): Use complete sentences for diagnostic
        for structures or unions with no members or named members.

2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (build_unary_op): Replace unreachable diagnostic for
        taking address of bit-field by assertion.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (attribute "op_type"): Default to "NN".
        (attribute "atype"): Default to "agen".
        (attribute "length"): Default to 6.
        (define_asm_attibutes): Remove.
        ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
        "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf",
        "*clc", "*mvc", "*nc", "*oc", "*xc", "*xc_zero"):
        Do not set type attribute to "cs" where already default.
        ("*cmpint_si", "*cmpint_di", "fix_truncdfsi2_ibm", "floatsidf2_ibm",
        "*negdi2_31"):
        Do not set type attribute to "other" where already default.
        ("movti", "*movdi_64", "*movdi_31", "*movdf_31",
        "*strlendi", "*strlensi",
        "*movmem_long_64", "*movmem_long_31",
        "*clrmem_long_64", "*clrmem_long_31",
        "*cmpmem_long_64", "*cmpmem_long_31",
        "*cmpint_si", "*cmpint_di",
        "addti3", "*adddi3_31z", "*adddi3_31",
        "subti3", "*subdi3_31z", "*subdi3_31", "*negdi2_31",
        "*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg",
        "fix_truncdfsi2_ibm", "floatsidf2_ibm", "extendsfdf2_ibm",
        "*pool_entry", "pool_align", "pool_section_start",
        "pool_section_end", "main_pool", "reload_base_31", "pool"):
        Do not set op_type attribute to "NN" where already default.
        ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
        "*zero_extendqisi2_31", "*zero_extendqihi2_31",
        "fix_truncdfsi2_ibm", "floatsidf2_ibm"):
        Do not set atype attribute to "agen" where already default.
        ("*movmem_short", "*clrmem_short", "*cmpmem_short"): Don't set op_type.

2004-11-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-iris6 (tp-bit.c): Fix target filename.

2004-11-06  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16830
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define the
        R3000 and R4000 macros on IRIX.

2004-11-06  Andreas Schwab  <schwab@suse.de>

        PR target/16286
        * config/rs6000/altivec.h: Replace bool by __bool and pixel by
        __pixel.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-copyrename.c (rename_ssa_copies): Make it static.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/2064.md ("z_int", "z_agen"): Ensure the condition
        matches no insns already matched by other reservations.
        * config/s390/2084.md ("x_int", "x_agen"): Ensure the condition
        matches no insns already matched by other reservations.
        ("x_ss"): Remove, replace by ...
        ("x_cs"): ... this new reservation.  Check type instead of op_type.
        Update bypasses to use x_cs instead of x_ss.
        ("x_nn"): Remove, replace by ...
        ("x_other"): ... this new reservation.  Check type instead of op_type.
        Add x_other and x_branch to bypasses.
        ("x_vs"): New reservation.
        * config/s390/s390.md (attribute "type"): Default according to op_type.
        ("*execute"): Set type to "cs".

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (non_lvalue): Don't construct NON_LVALUE_EXPR
        if we are in GIMPLE.

2004-11-06  Hans-Peter Nilsson  <hp@bitrange.com>

        PR rtl-optimization/17933
        * rtlanal.c (dead_or_set_regno_p): Break out common code to...
        (covers_regno_p): New function.  Handle SETs of PARALLEL,
        and defer the rest to...
        (covers_regno_no_parallel_p): New function.

2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): Skip
        fields with zero length.
        (function_arg_record_value_2): Likewise.
        (function_arg_record_value_3): Use smallest_mode_for_size
        instead of mode_for_size.
        (function_arg_union_value): Return naked register for unions
        with zero length.

2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (scan_record_type): Handle vector types.
        (function_arg_slotno): Handle vector types specially.
        (function_arg_record_value_1): Split fields with vector type and
        BLKmode into their subparts.
        (function_arg_record_value_2): Likewise.  Be prepared to handle
        more than 2 registers per field.
        (function_arg_union_value): Increment regno inside the loop.
        (function_arg_vector_value): New function.
        (function_arg): Use it to split fields with vector type and
        BLKmode into their subparts and build a PARALLEL.  Treat
        other vector types like floats.
        (function_value): Likewise.
        (sparc_pass_by_reference): Handle vector types.
        (sparc_return_in_memory): Likewise.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (find_taken_edge_cond_expr): Remove an "if"
        statement that never triggers.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/2064.md ("z_o2", "z_o3"): Remove.
        * config/s390/2084.md ("x_o2", "x_o3"): Remove.
        ("x_fdivd"): Use also for fsqrtd type.
        ("x_fdivs"): Use also for fsqrts type.
        * config/s390/s390.md (attribute "type"): Remove "o2" and "o3" types.
        ("fix_truncdfsi2_ieee"): Set type to "ftoi".
        ("fix_truncdfsi2_ibm"): Set type to "other".
        ("floatdidf2", "floatdisf2"): Do not clobber CC.
        ("floatsidf2", "floatsidf2_ieee"): Likewise.
        ("floatsisf2", "floatsisf2_ieee"): Likewise.
        ("truncdfsf2", "truncdfsf2_ieee"): Only allow "register_operand".
        ("truncdfsf2_ibm"): Only allow "nonimmediate_operand".  Use LER
        instead of LRER.
        ("extendsfdf2_ibm"): Do not set atype.  Set type to "floads".
        ("sqrtdf2"): Set type to "fsqrtd".
        ("sqrtsf2"): Set type to "fsqrts".

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (remove_all_phi_nodes_for): Speed up using a
        pointer to the last PHI node in the new PHI chain.

2004-11-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Emit a use of r12
        for non-PIC TLS_MODEL_INITIAL_EXEC case.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c: Fix a comment typo.

2004-11-06  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        PR target/18106
        * config/i386/cygming.h
        [HAVE_GAS_WEAK] (ASM_WEAKEN_LABEL): Macro defined.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh4a.md: Fix copyright.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/darwin.md, config/sh/sh4a.md: Replace GNU CC
        with GCC.

2004-11-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (scc patterns): Replace subfc with subf
        when carry not used.  Suggested by Torbjorn Granlund.

        * config/rs6000/rs6000.c (rs6000_emit_move): Don't force_reg
        operand[1] unnecessarily.  Suggested by Eric Christopher.
        (rs6000_adjust_cost): Increase latency of store to wider load.
        (rs6000_rtx_costs): mulli only allows 16-bit constants.

2004-11-05  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (machopic_output_stub): Output
        ldu instead of lwzu for 64-bit stubs.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_unaligned_load): Special case
        size 2 with BWX.
        (alpha_expand_unaligned_store): Likewise.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_force_align_mem_bit_field): New.
        (extract_split_bit_field): Call it.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * ia64.md (UNSPEC_SHRP): New.
        (dshift_count_operand): New.
        (ashrti3, ashrti3_internal, lshrti3, lshrti3_internal, shrp): New.
        * ia64.c (rtx_needs_barrier): Handle UNSPEC_SHRP.

2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (output_init_element): Return early if value is
        error_mark_node.

2004-11-05  James E Wilson  <wilson@specifixinc.com>

        * invoke.texi (-fno-guess-branch-probability): Rewrite.

        * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC_GR_SPILL): Change
        1 to UNSPEC_GR_SPILL.

2004-11-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_fixed_condition_code_regs): New function.
        (TARGET_FIXED_CONDITION_CODE_REGS): Macro defined.

2004-11-05  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (enum bitmap_bits): Remove.
        (bitmap_operation): Remove.
        (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
        bitmap_xor_into): Prototype.
        * bitmap.c (bitmap_elt_insert_after, bitmap_elt_clear_from): New.
        (bitmap_operation): Remove.
        (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
        bitmap_xor_into): New.
        (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Adjust.

        PR tree-optimization/18307
        * tree-ssa-alias.c (merge_pointed_to_info): Protected against DEST
        and ORIG being the same node.

2004-11-04  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (distclean): Don't delete nonexistent fixinc/ directory.
        (install-mkheaders): Install the version built for the
        host, not for the build machine.
        * configure.ac: Always run fixincludes.
        (all_outputs): Remove mkheaders.
        * configure: Regenerate.
        * fixinc.in: Move to fixincludes/.
        * mkfixinc.sh: Likewise.
        * mkheaders.in: Likewise.
        * README-fixinc: Likewise.

2004-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>

        PR target/18263
        * config/arc/lib1funcs.asm (___umulsidi3): Change use of cmp to the
        equivalent on the A4.

2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/c-tree.texi, doc/cfg.texi, doc/contrib.texi, doc/cpp.texi,
        doc/cppopts.texi, doc/extend.texi, doc/fragments.texi,
        doc/frontends.texi, doc/gcov.texi, doc/hostconfig.texi,
        doc/implement-c.texi, doc/install.texi, doc/invoke.texi,
        doc/libgcc.texi, doc/md.texi, doc/passes.texi,
        doc/portability.texi, doc/rtl.texi, doc/sourcebuild.texi,
        doc/standards.texi, doc/tm.texi, doc/tree-ssa.texi,
        doc/trouble.texi: Correct end-of-sentence markup and markup of
        "etc.", "e.g." and "i.e.".  Use @code in various places where
        appropriate.

2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/c-tree.texi, doc/cfg.texi, doc/extend.texi, doc/gty.texi,
        doc/install.texi, doc/invoke.texi, doc/md.texi, doc/passes.texi,
        doc/rtl.texi, doc/tm.texi, doc/tree-ssa.texi: Remove trailing
        whitespace.

2004-11-04  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.c (arm_handle_notshared_attribute): New function.
        * doc/extend.texi: Document "notshared" attribute.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (make_phi_node): Make it static.
        * tree.h: Remove the prototypes for make_phi_node.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_asm, expand_asm_operands): Make them static.
        * tree.h: Remove the prototypes for expand_asm and
        expand_asm_operands.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_compilation): Make it static.
        * toplev.h: Remove the prototype for rest_of_compilation.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * jump.c (cleanup_barriers): Use delete_insn instead of
        delete_barrier.
        (delete_barrier): Remove.
        * rtl.h: Remove the corresponding prototype.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (mostly_zero_p): Make it static.
        * tree.h: Remove the prototype for mostly_zeros_p.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (force_nonfallthru_and_redirect): Make it static.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_builtin_return_addr,
        expand_builtin_longjmp, expand_builtin_trap): Make them static.
        * expr.h: Remove the prototypes for expand_builtin_longjmp and
        expand_builtin_trap.
        * tree.h: Remove the prototype for expand_builtin_return_addr.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (find_taken_edge): Reject VAL begin NULL.
        * tree-ssa-ccp.c (visit_cond_stmt): Don't call find_taken_edge
        with VAL being NULL.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * cfghooks.c (delete_basic_block): Remove code to truncate
        edge vectors.

2004-11-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * flow.c (init_propagate_block_info): Change the type of i to
        unsigned.

2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>

        PR tree-optimization/18184
        * c-typeck.c (comptypes): Do not treat pointers of different
        modes or alias-all flags as equivalent.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Likewise.

2004-11-04  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/gty.texi, doc/makefile.texi, doc/sourcebuild.texi: Don't
        reference specific C parser files in examples.

2004-11-04  Richard Sandiford  <rsandifo@redhat.com>

        PR target/15342
        * regrename.c (scan_rtx): Treat the destinations of SETs and CLOBBERs
        as OP_INOUT if the instruction is predicated.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.h: Fix a comment typo.  Follow spelling conventions.
        * tree-vectorizer.c: Fix a comment typo.

2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>

        * sdbout.c (SDB_GENERATE_FAKE): Remove.
        (gen_fake_label): Don't use SDB_GENERATE_FAKE.
        * system.h: Poison SDB_GENERATE_FAKE.
        * doc/tm.texi (SDB_GENERATE_FAKE): Remove.

2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*addsi3_sign"): Use canonical RTL.

2004-11-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR other/18277
        * gthr-posix.h (__gthread_recursive_mutex_init_function): Revert
        2004-10-29 patch

2004-11-04  Nathan Sidwell  <nathan@codesourcery.com>

        * predict.c (propagate_freq): Make bitno unsigned. Move
        npredecessors update out of loop.

        * bitmap.h (bitmap_iterator): Remove word_bit and bit
        fields. Rename others.
        (bmp_iter_common_next_1, bmp_iter_single_next_1,
        bmp_iter_single_init, bmp_iter_end_p, bmp_iter_single_next,
        bmp_iter_and_not_next_1, bmp_iter_and_not_init,
        bmp_iter_and_not_next, bmp_iter_and_next_1, bmp_iter_and_init,
        bmp_iter_and_next): Remove.
        (bmp_iter_set_init, bmp_iter_and_init, bmp_iter_and_compl_init,
        bmp_iter_next, bmp_iter_set, bmp_iter_and, bmp_iter_and_compl):
        New.
        (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_IN_BITMAP,
        EXECUTE_IF_AND_COMPL_IN_BITMAP): Adjust.

        * bitmap.h (bitmap_a_or_b, bitmap_a_and_b): Remove.
        * df.c (dataflow_set_a_op_b): Use bitmap_and, bitmap_ior,
        bitmap_and_into, bitmap_ior_into as appropriate.
        * except.c (remove_eh_handler): Likewise.
        * global.c (modify_bb_reg_pav, make_accurate_live_analysis): Likewise.
        * tree-dfa.c (mark_new_vars_to_rename): Likewise.
        * tree-ssa-alias.c (merge_pointed_to_info): Likewise.
        * tree-ssa-live.h (live_merge_and_clear): Likewise.
        * tree-ssa-loop-ivopts.c (find_best_candidate, try_add_cand_for):
        Likewise.

        * bitmap.c (bitmap_print): Make bitno unsigned.
        * bt-load.c (clear_btr_from_live_range,
        btr_def_live_range): Likewise.
        * caller-save.c (save_call_clobbered_regs): Likewise.
        * cfganal.c (compute_dominance_frontiers_1): Likewise.
        * cfgcleanup.c (thread_jump): Likewise.
        * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
        * conflict.c (conflict_graph_compute): Likewise.
        * ddg.c (add_deps_for_use): Likewise.
        * df.c (df_refs_update): Likewise.
        * except.c (remove_eh_handler): Likewise.
        * flow.c (verify_local_live_at_start, update_life_info,
        initialize_uninitialized_subregs, propagate_one_insn,
        free_propagate_block_info, propagate_block, find_use_as_address,
        reg_set_to_hard_reg_set): Likewise.
        * gcse.c (clear_modify_mem_tables): Likewise.
        * global.c (global_conflicts, build_insn_chain): Likewise.
        * ifcvt.c (dead_or_predicable): Likewise.
        * local-alloc.c (update_equiv_regs): Likewise.
        * loop.c (load_mems): Likewise.
        * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs):
        Likewise.
        * ra-rewrite.c (reloads_to_loads, rewrite_program2, actual_spill):
        Likewise.
        * reload1.c (order_regs_for_reload, finish_spills): Likewise.
        * sched-deps.c (sched_analyze_insn, free_deps): Likewise.
        * sched-rgn.c (propagate_deps
        * tree-cfg.c (tree_purge_all_dead_eh_edges): Likewise.
        * tree-dfa.c (dump_dfa_stats
        tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
        insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags):
        Likewise.
        * tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars,
        free_temp_expr_table, find_replaceable_exprs): Likewise.
        * tree-sra.c (scan_function, scalarize_parms): Likewise.
        * tree-ssa-alias.c (init_alias_info,
        compute_points_to_and_addr_escape,
        compute_flow_sensitive_aliasing, maybe_create_global_var): Likewise.
        * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Likewise.
        * tree-ssa-live.c (new_tree_live_info, live_worklist,
        calculate_live_on_entry, calculate_live_on_exit, compare_pairs,
        sort_coalesce_list, build_tree_conflict_graph, dump_live_info
        tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
        tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
        add_call_read_ops): Likewise.
        * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Likewise.
        * tree-ssa-live.h (num_var_partitions): Return unsigned.

2004-11-03  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-optimization/18009
        * tree-vectorizer.h (enum dr_alignment_support): New type.
        (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): Removed.
        (LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
        single data_reference (instead of a varray of references).
        * tree-vectorizer.c (new_loop_vec_info): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.
        (vect_update_inits_of_drs): Likewise.

        (vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
        vect_enhance_data_refs_alignment.
        (vect_do_peeling_for_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Decide if and by how much to peel;
        this functionality used to be in vect_analyze_data_refs_alignment.
        Also update DR_MISALIGNMENT due to peeling; this functionality used to
        be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
        (vect_analyze_data_refs_alignment): Decision on whether and by how much
        to peel moved to vect_enhance_data_refs_alignment. Call
        vect_supportable_dr_alignment.

        (vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
        (vect_compute_data_refs_alignment): Return bool. Consider return value
        of vect_compute_data_ref_alignment and return true/false accordingly.
        (vect_enhance_data_refs_alignment): Consider return value of
        vect_compute_data_refs_alignment and return true/false accordingly.

        (vect_supportable_dr_alignment): New function.
        (vectorizable_store): Call vect_supportable_dr_alignment.
        (vectorizable_load): Call vect_supportable_dr_alignment. Alignment
        support checks moved from here to vect_supportable_dr_alignment.

        (vect_transform_loop): Avoid 80 columns overflow.

2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * timevar.c (timevar_enable): Change from
        static.
        (timevar_push): Rename to ...
        (timevar_push_1): this and remove the
        enabled check.
        (timevar_pop): Rename to ...
        (timevar_pop_1): this and remove the
        enabled check.
        * timevar.h (POP_TIMEVAR_AND_RETURN): Use do/while loops.
        (timevar_pop): New macro.
        (timevar_push): New macro.
        (timevar_enable): Declare.

2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.h (REAL_LIBGCC_SPEC): Define to use shared
        libgcc for shared libraries.

2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_split_access_reg): Add prototype.
        * config/s390/s390.c (s390_split_access_reg): New function.
        (regclass_map): Add access registers.
        (get_thread_pointer): Use access register instead of UNSPEC_TP.
        * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Set to 38.
        (ACCESS_REGNO_P, ACCESS_REG_P): New macros.
        (TP_REGNUM): New define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
        REG_ALLOC_ORDER): Add access registers.
        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
        CANNOT_CHANGE_MODE_CLASS): Support access registers.
        (enum reg_class): Add ACCESS_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
        (REG_CLASS_FROM_LETTER): Add 't' constraint.
        (REGISTER_NAMES): Add access registers.
        * config/s390/s390.md (UNSPEC_TP): Remove.
        ("*movdi_64"): Add access register alternatives.  Provide splitters
        to split DImode access register <-> GPR moves into SImode moves.
        ("*movsi_zarch", "*movsi_esa"): Add access register alternatives.
        ("movstrictsi"): Likewise.
        ("get_tp_64", "get_tp_31"): Reimplement using access registers.
        ("set_tp_64", "set_tp_31"): Likewise.
        ("*set_tp"): New insn.

2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (resize_phi_node): Copy only a portion of
        the PHI node currently in use.

2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18231
        * tree.c (staticp) <case FUNCTION_DECL>: Nested functions are static
        also.

2004-11-03  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18270
        * tree-outof-ssa.c (analyze_edges_for_bb): If a block has incoming
        abnormal edges, commit all pending stmts on incoming edges.

2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>

        * tree-ssa-loop-ivopts.c (get_address_cost): Offset zero does not
        cause extra costs.  Generate canonical RTL.

2004-11-02  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (lambda_compute_auxillary_space): Update comments.
        (lambda_compute_target_space). Ditto.
        * lambda.h (lambda_trans_matrix): Ditto.
        (lambda_linear_expression): Ditto.
        (lambda_body_vector): Ditto.
        (lambda_loopnest): Ditto.
        * tree-loop-linear.c (gather_interchange_stats): Combine tests,
        update comments, and remove pointless addition of 0.
        (linear_transform_loops): Update comments.

2004-11-03  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree.c (tree_fold_gcd): Use FLOOR_MOD_EXPR instead of
        CEIL_MOD_EXPR.

2004-11-03 Jeff Law  <law@redhat.com>

        * predict.c (struct block_info_def): Kill "tovisit" field.
        (propagate_freq): Accept new "tovisit" parameter.  Change
        read/write access methods for "tovisit" to check the "tovisit"
        bitmap instead of a bit in block_info_def.
        (estimate_loops_at_level): Allocate "tovisit" bitmap.  Pass
        it to propagate_freq.

        * stmt.c (expand_case): Speed up code to detect duplicate case
        label targets and count unique case label targets.

2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>

        * cppdefault.c, cppdefault.h, timevar.h: Update copyright.

2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.h, dbxout.c, tree-mudflap.c: Fix comment formatting.

2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (find_taken_edge): Abort if we are given a
        statement that is neither COND_EXPR nor SWITCH_EXPR.

2004-11-02  Zdenek Dvorak  <dvorakz@suse.cz>

        * fold-const.c (fold): Reassociate also (x - mult) + mult and
        (mult - x) + mult.  Cast operands of expression after applying
        distributive law to the correct types.  Apply distributive law
        to a * c - b * c for all non-float types.

2004-11-02  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: Don't clear STMP_FIXINC or STMP_FIXPROTO just
        because we don't want to run them now; instead, set them to
        stmp-install-fixproto or stmp-install-fixinc.
        * Makefile.in (stmp-install-fixproto): New.
        (stmp-install-fixinc): New.
        * configure: Regenerate.

2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>

        * flow.c (init_propagate_block_info): Use bitmap_empty_p on result
        of bitmap_xor.

2004-11-02  Ziemowit Laski  <zlaski@apple.com>

        * c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
        (c_types_compatible_p): Move function definition...
        * c-objc-common.c (c_types_compatible_p): ...here.
        * c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
        c-lang.c.

2004-11-02  Steven Bosscher  <stevenb@suse.de>

        * cfgloop.h (struct loop): Update comment.
        * cse.c (cse_main): Remove obsolete comment.

        * expr.h (gen_cond_trap): Move prototype under functions provided
        by optabs.c.
        (canonicalize_condition, get_condition): Move to...
        * rtl.h (canonicalize_condition, get_condition): ...here.
        (branch_target_load_optimize): Add comment that this function is
        in bt-load.c.
        * loop.c (canonicalize_condition, get_condition): Move to...
        * rtlanal.c (canonicalize_condition, get_condition): ...here.
        * sched-deps.c (get_condition): Rename to sched_get_condition.
        (add_dependence): Update this caller.

2004-11-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/16808
        * tree-ssa.c (replace_immediate_uses): If we call fold_stmt, make sure
        that the vops get marked for renaming.

2004-11-02  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("movcc"): Set type attribute.

2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (add_phi_arg): Add an assertion that the
        edge already exists.

2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (remove_phi_arg_num): Do not zero the
        element that's being removed.

2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-threadupdate.c (copy_phis_to_block): Install PHI
        arguments using PENDING_STMT.
        (thread_block): Call copy_phis_to_block after redirecting an
        edge.

2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_ior, bitmap_iot_into,
        bitmap_ior_compl, bitmap_xor, bitmap_xor_into): Produce void.
        (bitmap_ior_and_compl_into): Produce bool.
        (bitmap_union_of_diff): Rename to ...
        (bitmap_ior_and_compl): ... here. Produce bool.
        * bitmap.c (bitmap_ior_and_compl_into): Return bool. Use
        bitmap_operation directly.
        (bitmap_union_of_diff): Rename to ...
        (bitmap_ior_and_compl): ... here. Return bool, use
        bitmap_operation directly.
        * df.c (df_rd_transfer_function): Use bitmap_ior_and_compl.
        (df_ru_transfer_function, df_lr_transfer_function): Likewise.
        * global.c (modify_bb_reg_pav): Likewise.

        * bitmap.h (bitmap_equal_p): Return bool.
        (bitmap_intersect_p, bitmap_intersect_compl_p): Declare.
        * bitmap.c (bitmap_equal_p): Return bool. Compare directly.
        (bitmap_intersect_p, bitmap_intersect_compl_p): New.
        * flow.c (calculate_global_regs_live): Use bitmap_intersect_p and
        bitmap_intersect_compl_p.
        * ifcvt (dead_or_predicable): Likewise.

2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>

        PR rtl-optimization/17104
        * config/rs6000/rs6000.c (rs6000_emit_move): Don't wrap small
        loads in zero_extend.

2004-11-02  Danny Smith  <dannysmith@users.sourceforge.net>

        PR debug/18242
        * toplev.c (debug_type_names): Remove "dwarf-1".

2004-11-02  Ben Elliston  <bje@au.ibm.com>

        * timevar.h (timevar_get): Remove.
        * timevar.c (timevar_get): Remove unused function.

2004-11-02  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update from Texinfo CVS.

2004-11-02  Ben Elliston  <bje@au.ibm.com>

        * cppdefault.h (cpp_SYSROOT): Remove.
        * cppdefault.c (cpp_SYSROOT): Likewise.

2004-11-01  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/16447
        * tree-cfg.c (bsi_commit_one_edge_insert): Rename from
        bsi_commit_edge_inserts_1, and make funtion external.  Return new block.
        (bsi_commit_edge_inserts): Use renamed bsi_commit_one_edge_insert.
        * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Enable listing.
        * tree-flow.h (bsi_commit_one_edge_insert): Extern decl.
        * tree-outof-ssa.c (rewrite_trees): Don't commit edges here.
        (same_stmt_list_p): New.  Return TRUE if edge is to be forwarded.
        (identical_copies_p): New.  Return true is two copies are the same.
        (identical_stmt_lists_p): New.  Return true if stmt lists are the same.
        (analyze_edges_for_bb): New.  Determine how best to insert edge stmts
        for a basic block.
        (perform_edge_inserts): New.  Determine what to do with all stmts that
        have been inserted on edges.
        (remove_ssa_form):  Analyze and commit edges from here.

2004-11-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR bootstrap/18232
        * bitmap.h (bmp_iter_end_p): Take a const pointer instead of a struct.
        (EXECUTE_IF_SET_IN_BITMAP): Update call to bmp_iter_end_p.
        (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
        (EXECUTE_IF_AND_IN_BITMAP): Likewise.

2004-11-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18239
        * c-decl.c (get_parm_info): Allow FUNCTION_DECLs to appear amongst
        parameter declarations.

2004-11-01  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (regclass_map): Put reg 33 (cc) to CC_REGS group.
        (s390_secondary_input_reload_class)
        (s390_secondary_output_reload_class): Use GENERAL_REGS to reload a cc
        register.
        (s390_expand_cmpmem): Enable cmpmem implementation.
        * config/s390/s390.h (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
        Added three new classes: CC_REGS, ADDR_CC_REGS, GENERAL_CC_REGS.
        (REG_CLASS_FROM_LETTER): New constraint 'c' added.
        * config/s390/s390.md ("movcc"): New insn pattern.
        * doc/md.texi: Document 'c' constraint for s390.

2004-11-01  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/18064
        * doc/extend.texi (Deprecated Features): Deprecate G++ covariant
        extension.

2004-10-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/17672
        Fix PR tree-optimization/18168

        * lambda-code.c (lambda_lattice_compute_base): Fix reversed
        assert test.
        (gcc_tree_to_linear_expression): Add extra to existing constant.
        (depth_of_nest): Factor out function used in various places.
        (gcc_loop_to_lambda_loop): Clean up code a little bit. No
        functional changes.
        (find_induction_var_from_exit_cond): Stop guessing, and just
        get the right answer :).
        (gcc_loopnest_to_lambda_loopnest): Remove useless pre-allocation.
        Print out message about result of attempt to create perfect nest.
        (lbv_to_gcc_expression): Add type argument, use it to do math
        and induction variable creation.
        (lle_to_gcc_expression): Ditto.
        (lambda_loopnest_to_gcc_loopnest): Create new iv with same type as
        oldiv. Pass type argument to lle_to_gcc_expression and
        lbv_to_gcc_expression.
        Reset number of iterations after transformation.
        (perfect_nestify): Remove useless pre-allocation, and cleanup
        a small amount.

        * tree-data-ref.c (build_classic_dist_vector): Return false for
        dependences completely outside of the loop nest we asked about.
        (build_classic_dir_vector): Ditto.
        (compute_data_dependences_for_loop): Only add dependence relations
        inside the loop we asked about.

        * tree-loop-linear.c (linear_transform_loops): Use DDR_SIZE_VECT.
        Compute immediate uses.

        * tree-optimize.c: Move linear_transform_loops to before ivcanon.

2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Fix a comment typo.

2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Fix a comment typo.

2004-10-31  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-sf.S (floatdisf): Fix regression with
        values smaller than 2^32.

2004-10-31 Jeff Law  <law@redhat.com>

        * cfgloop.h (struct loop): Remove unused "nodes" field.
        * timevar.def (TV_TREE_LOOP_BOUNDS): New.
        * tree-data-ref.c (find_data_references_in_loop): Use get_loop_body
        instead of calling flow_bb_inside_loop_p for every basic block
        in the function.
        * tree-ssa-loop.c (pass_record_bounds): Use TV_TREE_LOOP_BOUNDS.

2004-10-31  Graham Stott <graham.stott@btinternet.com>

        * config/pa/pa.md: (prefetch_64, prefetch_32): Fix typo.  Use
        INT_5_BITS instead of VAL_5_BITS_P.

2004-10-31  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/14521
        * tree-inline.c (inline_forbidden_p_1): Use %qF instead of '%F'
        for consistent quoting in diagnostic messages.
        (expand_call_inline): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-ssa.c (warn_uninitialized_var): Likewise.
        (warn_uninitialized_phi): Likewise.

2004-10-31  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_cannot_change_mode_class): Use a stricter
        mode check.

2004-10-31  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c: Fix a comment typo.

2004-10-31  Jason Merrill  <jason@redhat.com>

        PR middle-end/17526
        * tree-gimple.c (is_gimple_mem_rhs): Also require a val for
        aggregate types that are not BLKmode.

2004-10-30  Ziemowit Laski  <zlaski@apple.com>

        * c-common.h (objc_lookup_ivar): Add second parameter to
        prototype.
        * c-typeck.c (build_external_ref): After looking up symbol,
        pass it to objc_lookup_ivar() to decide whether it or the
        ivar should be used, rather than deciding the issue locally.
        * stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
        which is simply returned in the non-ObjC case.

2004-10-30  Danny Smith  <dannysmith@users.sourceforge.net>

        * sdbout.c (sdbout_symbol): Do not output type .def statements
        for builtin types.

2004-10-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-common.c (catenate_strings): New.
        (c_parse_error): Use it.  Don't over-escape.

2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (calc_live_regs): Declare reg as unsigned and
        modify the for loop expressions for it.  Remove unnecessary casts.
        (sh_expand_prologue): Declare reg as unsigned.
        (sh_gimplify_va_arg_expr): Initinalize lab_over.
        (sh_handle_sp_switch_attribute): Add const qualifier appropriately.

2004-10-30  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Darwin Options): Improve description of
        how the subtype is chosen.

2004-10-30  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18096
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Check that
        the stack adjustment, "size", is valid for Pmode.  If the stack
        frame is too large, generate a trap insn and issue a warning.

2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Use operands[0]
        for the output rtl if no_new_pseudos is set.  Remove redundant
        line.

2004-10-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/16666
        * c-decl.c (start_function): Don't check for DECL_BUILT_IN when
        determining whether to copy parameter types from a previous
        prototype declaration.

2004-10-29  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/17581
        * cselib.c (cselib_process_insn): The last instruction of a libcall
        block, with the REG_RETVAL note, should be considered in the libcall.
        * gcse.c (do_local_cprop): Allow constants to be propagated outside
        of libcall blocks.
        (adjust_libcall_notes): Use simplify_replace_rtx instead of
        replace_rtx to avoid creating invalid RTL in REG_RETVAL notes.

2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (create_phi_node): Don't zero PHI_REWRITTEN.

2004-10-29 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (struct edge_info): New structure holding
        edge equivalences and edge redirection information.
        (get_eq_expr_value, record_dominating_conditions): Kill.
        (propagate_to_outgoing_edges): Renamed from cprop_into_phis.
        Call record_edge_info.
        (allocate_edge_info, free_edge_info): New.
        (tree_ssa_dominator_optimize): Use propagate_to_outgoing_edges
        rather than cprop_into_phis.  Free all edge infos before threading
        jumps.
        (thread_across_edge): Allocate new edge info structures as needed
        and store the redirection target into the edge info structure
        instead of the edge's AUX field.
        (dom_opt_initialize_block): Mark unused argument with ATTRIBUTE_UNUSED.
        (record_equivalence_from_incoming_edge): Lose unnecessary argument.
        Revamp code which finds and records equivalences associated with
        edges to use saved data in the edge_info structure.
        (record_equivalencs_from_phis): Similarly.
        (dom_opt_finalize_block): Revamp code which finds and records
        equivalences associated with edges to use saved data in the
        edge_info structure.
        (build_and_record_new_cond): New function.
        (record_conditions): Use build_and_record_new_cond to record
        dominating conditions.
        (record_edge_info): New function.
        (record_range): Tighten test for conditions which create
        useful range records.

2004-10-29  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/darwin.h (ASM_SPEC): Simplify.
        (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
        * config/rs6000/darwin.h (DARWIN_SUBARCH_SPEC): New.
        (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
        * config/darwin.h (LINK_COMMAND_SPEC): Don't pass -arch here.
        (LINK_SPEC): Do pass -arch here.  Handle -force_cpusubtype_ALL
        in all cases.  Pass the right -arch or -arch_only based on -mcpu.
        (ASM_SPEC): Handle -force_cpusubtype_ALL.
        * doc/invoke.texi (Darwin Options): Improve documentation for
        Darwin linker (and libtool) switches.

        * config/rs6000/darwin-fallback.c: Include <mach/thread_status.h>.

2004-10-29  Stan Shebs  <shebs@apple.com>

        * config/rs6000/darwin-tramp.asm: Make more 64-bit-friendly.

2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (allocate_phi_node): New.
        (make_phi_node, resize_phi_node): Use it.

2004-10-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sysv4.h (TARGET_POWER): Define as 0.
        * config/rs6000/darwin.h (TARGET_POWER): Define as 0.

2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (make_phi_node, resize_phi_node): Don't zero
        the whole PHI node.
        * tree.h (tree_phi_node): Tell the garbage collector to chase
        num_args arguments.

2004-10-29  Richard Earnshaw  <rearnsha@arm.com>

        * opts.c (decode_options): Lower the crossjump threshold for -Os.

2004-10-29  Diego Novillo  <dnovillo@redhat.com>

        * tree.h (struct tree_ssa_name): Remove field 'equiv'.

2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (bitmap_empty_p): New.
        (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_ior, bitmap_ior_into,
        bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap
        operation macros.
        (bitmap_ior_and_compl): Rename to ...
        (bitmap_ior_and_compl_into): ... here.
        * bitmap.c (bitmap_equal_p): Use bitmap_xor.
        (bitmap_ior_and_compl): Rename to ...
        (bitmap_ior_and_compl_into): ... here. Adjust. Return changed
        flag.
        (bitmap_union_of_diff): Use renamed bitmap functions.
        * basic-block.h (AND_REG_SET, AND_COMPL_REG_SET, IOR_REG_SET,
        XOR_REG_SET, IOR_AND_COMPL_REG_SET): Likewise.
        * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
        * df.c (df_bb_rd_local_compute)
        * flow.c (calculate_global_regs_live,
        init_propagate_block_info): Likewise.
        * ifcvt.c (find_if_case_1, find_if_case_2,
        dead_or_predicable): Likewise.
        * ra-build.c (union_web_part_roots, livethrough_conflicts_bb,
        reset_conflicts, conflicts_between_webs): Likewise.
        * ra-rewrite.c (reloads_to_loads, rewrite_program2,
        detect_web_parts_to_rebuild): Likewise.
        * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
        * tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise.
        * tree-sra.c (decide_instantiations): Likewise.
        * tree-ssa-alias.c (create_name_tags,
        merge_pointed_to_info): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        * tree-ssa-loop-im.c (move_computations): Likewise.
        * tree-ssa-operands.c (get_call_expr_operands): Likewise.
        * tree-ssa-pre.c (fini_pre): Likewise.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
        * tree-ssanames.c (any_marked_for_rewrite_p): Likewise.
        * tree-vectorizer.c (vectorize_loops): Likewise.

2004-10-29  Nick Clifton  <nickc@redhat.com>

        config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): When
        adding the PIC register to the fixed_regs array, also add it
        to the call_used_regs array.

2004-10-29  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-posix.h (__gthread_recursive_mutex_init_function): Guard
        with #ifdef PTHREAD_MUTEX_RECURSIVE/#endif pairs.

2004-10-28  Daniel Berlin  <dberlin@dberlin.org>

        * tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
        (rewrite_blocks): Modify argument, and use it to decide which
        function to call.
        (rewrite_def_def_chains): Call rewrite_blocks with true here.
        (rewrite_into_ssa): and call it with false here.

2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (add_phi_arg): Turn an "if" that always
        triggers into gcc_assert.

2004-10-28  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16728
        * tree-flow.h (get_ptr_info): Declare.
        * tree-ssa-alias.c (get_ptr_info): Make extern.
        * tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
        alias information.

2004-10-28  Stan Shebs  <shebs@apple.com>

        * config/rs6000/darwin.h (SUBTARGET_EXTRA_SPECS): Handle -m64.
        * config/rs6000/rs6000.c (rs6000_darwin_file_start): Add ppc64
        case.

2004-10-28  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mudflap_init): Mark cache-lookup decls to
        prevent their later unnecessary registration.
        (mf_build_check_statement_for): Remove "addr" argument, and
        related "__mf_value" generated code.  Update callers.
        (mf_decl_eligible_p): New function, factored from mx_register_decls.
        (mx_register_decls): Call it.
        (mf_xform_derefs_1): Rewrite COMPONENT_REF and ARRAY_REF cases
        to restore support for complex nested expressions.
        (mudflap_enqueue_decl): Simplify.  Move registration call emission
        out ...
        (mudflap_finish_file): ... to here.
        (mudflap_enqueue_constant): Remove dump code.

2004-10-28  Zack Weinberg  <zack@codesourcery.com>

        PR 18199
        * dbxout.c (dbxout_begin_complex_stabs_noforcetext): New function.
        (DBX_FINISH_STABS): Add (unused by default) SYM parameter.
        (dbxout_finish_complex_stabs): Update to match.
        (dbxout_symbol_location): Call emit_pending_bincls_if_required
        and FORCE_TEXT before DBX_STATIC_BLOCK_START.  Use
        dbxout_begin_complex_stabs_noforcetext.
        * xcoffout.h (DBX_FINISH_STABS): Restore special case for
        N_GSYM, using new SYM parameter.  Correct logic for special
        cases for N_FUN.

        * varasm.c (function_section): If DECL is NULL_TREE, don't try
        to do anything else.  Do not call get_insns if cfun or
        cfun->emit are NULL.

2004-10-28  Adam Nemet  <anemet@lnxw.com>

        PR middle-end/18160
        * c-typeck.c (c_mark_addressable): Issue error if address of a
        register variable is taken.  Use "%qD" to print DECL_NAME.

2004-10-28  Diego Novillo  <dnovillo@redhat.com>

        * opts.c (decode_options): Don't run PRE at -Os.

2004-10-28  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (movqicc_internal): Allow exactly one
        zero in the conditional.
        (movhicc_internal, movsicc_internal, movdicc_internal): Likewise.

2004-10-28  Richard Henderson  <rth@redhat.com>

        * cse.c (memory_extend_rtx): Remove.
        (cse_main): Don't set it.
        (cse_insn): Use a local buffer instead.

2004-10-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * profile.c (branch_prob): Call to init_edge_profiler added.
        * rtl-profile.c (rtl_init_edge_profiler): New function.
        (rtl_gen_edge_profiler): Replaced call to insert_insn_on_edge with
        call to safe_insert_insn_on_edge.
        (rtl_profile_hooks): rtl_init_edge_profiler added.
        * tree-profile.c (tree_init_edge_profiler): New function.
        (tree_profile_hooks): tree_init_edge_profiler added.
        * value-prof.h (profile_hooks) init_edge_profiler prototype added.

2004-10-28  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.c (iq2000_expand_epilogue): Use
        emit_jump_insn() to generate the return instruction.

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

        * tree-phinodes.c: Remove trailing whitespace.

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

        * tree-ssa-loop-ivopts.c: Fix a comment typo.
        * doc/invoke.texi: Fix a typo.

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

        * Makefile.in (OBJS-common): Remove duplicates.

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

        * lambda-code.c (nestify_update_pending_stmts): Remove.
        (perfect_nestify): Use flush_pending_stmts instead of
        nestify_update_pending_stmts.
        * tree-cfg.c (tree_make_forwarder_block): Use
        flush_pending_stmts.
        * tree-flow.h: Add a prototype for flush_pending_stmts.
        * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
        Use flush_pending_stmts.
        (lv_update_pending_stmts): Remove.
        (tree_ssa_loop_version): Use flush_pending_stmts instead of
        lv_update_pending_stmts.
        * tree-ssa.c (flush_pending_stmts): New.

2004-10-28  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/15286
        * final.c (alter_subreg): Compute correct offset to use with
        paradoxical SUBREGs of memory operands.
        * recog.c (general_operand): Allow paradoxical SUBREGs of
        memory operands after reload.
        * simplify-rtx.c (simplify_gen_subreg): Fail if simplify_subreg
        has failed when passed a hard register.

2004-10-28  Aldy Hernandez  <aldyh@redhat.com>

        * function.c (assign_parm_setup_block): Handle parallels correctly.

2004-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * final.c (shorten_branches): Initialize flags structure.

2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.c (int_cst_node, int_cst_hash_table): New variables.
        (init_ttree): Initialize them.
        (int_cst_hash_hash, int_cst_hash_eq): New hashing functions.
        (build_int_cst_wide): Use hash table for oversized integers.

2004-10-28  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Define
        begin_label.

2004-10-27  Richard Henderson  <rth@redhat.com>

        PR middle-end/18163
        * expr.c (emit_group_load): Don't go force temporary for memory
        or concat source.
        (emit_group_store): Similarly.

2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR other/18186
        * common.opt (--param): Fix spelling of parameter.

2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17529
        * tree-cfg.c (remove_useless_stmts_1) <case SWITCH_EXPR>:
        Don't fold statement.
        <case ASM_EXPR>: Fold the statement.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2004-10-27  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/17133

        * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
        def kill operand.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/tm.texi: Update.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/rs6000/linuxspe.h: Same.

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

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

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

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

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

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

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

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

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

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

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

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

        * expr.c (store_expr): Remove dont_store_target.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/tm.texi: Update.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * loop-unroll.c: Fix comment typos.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
        global for -mcaller-super-interworking.
        (CALLER_INTERWORKING_SLOT_SIZE): New macro.
        * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
        CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
        not need a frame pointer.
        (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
        the soft frame pointer offset.
        (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
        * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use