* doc/install.texi (*-*-freebsd*): Update with known status.

[gcc.git] / gcc / ChangeLog

2003-03-25  Loren James Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update with known status.

2003-03-21  Jason Merrill  <jason@redhat.com>

        PR optimization/10171
        * unroll.c (unroll_loop): Don't delete the jump at the end unless
        we also delete a jump at the beginning.

2003-03-25  Stephane Carrez  <stcarrez@nerim.fr>

        * doc/contrib.texi (Contributors): Mention self as 68HC11/68HC12
        contributor.

Tue Mar 25 20:35:51 CET 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic
        constants are not expensive.

Mon Mar 24 20:03:03 CET 2003  Jan Hubicka  <jh@suse.cz>

        PR opt/10056
        * cfglayout.c (fixup_reorder_chain):  Fix dealing with the conditional
        jump jumping to the next instruction.
        * cfgrtl.c (force_nonfallthru_and_redirect):  Likewise.

2003-03-25  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/passes.texi (Passes): Properly document that we do not
        perform jump2 any longer; remove command-line option -dJ.

2003-03-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8746
        * config/i386/i386.md (and promoting splitters): Disable HImode to
        SImode promoting when the sign bit matters and is not preserved, or
        when TARGET_FAST_PREFIX is true. Disable promoting when optimizing
        for size.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Extend to support loads
        in QImode and HImode.

2003-03-24  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Add _call_far and
        _return_far
        (MULTILIB_OPTIONS): Don't multilib on -mlong-calls.
        (MULTILIB_EXCEPTIONS): Likewise.
        * config/m68hc11/m68hc11.md ("call"): Support far calls for 68HC11
        by calling some board support routine.
        ("call_value"): Likewise.
        ("*return_void"): Likewise for return.
        ("*return_16bit"): Likewise.
        ("*return_32bit"): Likewise.
        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Generate .far
        for 68HC11 too.
        (DWARF2_ADDR_SIZE): Use 4 so that addresses can 
        * config/m68hc11/m68hc11.c (m68hc11_override_options): Accept
        -mlong-calls for 68HC11.
        * config/m68hc11/larith.asm (declare_near): New macro.
        (__premain, ___negsi2, ___one_cmplsi2, ___ashlsi3): Use it.
        (___ashrsi3, ___lshrsi3, ___lshrhi3, ___lshlhi3): Likewise.
        (___rotrhi3, ___rotlhi3, ___ashrhi3, ___ashrqi3): Likewise.
        (___lshlqi3, __divmodhi4, ___mulqi3, ___mulhi3): Likewise.
        (__mulhi32): Likewise.
        (ret): Update macro for 68HC11.
        (__far_trampoline): Implement for 68HC11.
        (__call_a16, __call_a32, __return_void, __return_16): New support
        routines for 68HC11 memory bank switching calling support.
        (__return_32): Likewise.

2003-03-24  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (independent_decode_option): Don't skip a 'Y' prefix.

2003-03-24  Janis Johnson  <janis187@us.ibm.com>

        * doc/install.texi (Testing): Mention test result links from build
        status pages.

2003-03-24  Mark Mitchell  <mark@codesourcery.com>

        * function.c (put_var_into_stack): Change bool parameter to int.
        (gen_mem_addressof): Likewise.
        * rtl.h (gen_mem_addressof): Likewise.
        * tree.h (put_var_into_stack): Likewise.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Adjust call to
        gen_mem_addressof or put_var_into_stack.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
        * config/ia64/ia64.c (spill_tfmode_operand): Likewise.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-24  Jakub Jelinek  <jakub@redhat.com>

        * dojump.c (do_jump): Handle UNSAVE_EXPR specially.

2003-03-24  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Update Janis Johnson.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10072
        * combine.c (simplify_if_then_else): Check that the mode
        has MODE_INT class before applying the (OP Z (mult COND C2))
        transformation.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9414
        * config/sparc/sparc.md (widening peepholes): Use
        widen_memory_access instead of change_address.

2003-03-23  Mark Mitchell  <mark@codesourcery.com>

        PR c++/7086
        * c-typeck.c (c_mark_addressable): Adjust calls to
        put_var_into_stack.
        * expr.c (expand_expr): Likewise.
        * function.c (put_var_into_stack): Add rescan parameter.  Do not
        call fixup_var_refs when rescan is false.
        (gen_mem_addressof): Likewise.
        (assign_parms): Adjust calls to put_var_into_stack.
        (setjmp_protect): Likewise.
        (setjmp_protect_args): Likewise.
        * rtl.h (gen_mem_addressof): Change prototype.
        * stmt.c (expand_decl): Adjust calls to put_var_into_stack.
        * tree.h (put_var_into_stack): Change prototype.

2003-03-23  Arpad Beszedes <beszedes@cc.u-szeged.hu>

        PR middle-end/9967
        * builtins.c (expand_builtin_fputs): When optimizing for size,
        don't transform fputs into fwrite.

2003-03-23  Glen Nakamura <glen@imodulo.com>

        PR c/8224
        * fold-const.c (extract_muldiv_1): Don't pass through type conversions
        when signedness changes for division or modulus.

2003-03-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Remove unnecessary
        globalize_label.

2003-03-23  Roger Sayle  <roger@eyesopen.com>

        PR c/10178
        * stmt.c (expand_end_case_type): Check for overflow in range when
        determining whether to use a bit-test implementation.

2003-03-23  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_optimize_cfg): Allow merging of tablejumps
        before flow2.
        * cfgrtl.c (try_redirect_by_replacing_jump): Similarly.

2003-03-23  Richard Henderson  <rth@redhat.com>

        PR opt/10116
        * ifcvt.c (find_if_block): Disallow tablejump insns outgoing
        from then_bb or else_bb after flow2.

2003-03-23  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check whether it is necessary to link against
        libm to use ldexp.
        * configure: Regenerate.
        * Makefile.in: Add LDEXP_LIB substitution variable.

2003-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Fix comment typos.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch): Fix typo in comment.

2003-03-22  Richard Henderson <rth@redhat.com>

        * cfgcleanup.c (insns_match_p): Do not do EQUIV substitution
        after reload.

2003-03-22  DJ Delorie  <dj at redhat dot com>,
        Bruce Korb  <bkorb at gnu dot org>

        * fixinc/inclhack.def (solaris_mutex_init_1): New; Fix
        buggy Solaris 2.6 mutex/cond initializers.
        (solaris_mutex_init): Rename to solaris_mutex_init_2.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/pthread.h: Update.
        * fixinc/fixincl.c(initialize): be explicit about the default case
        and indicate verbose level when being very, very verbose.
        * fixinc/check.tpl(VERBOSE): provide a means for passing the value in

2003-03-22  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (ix86_init_machine_status): Return value.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch, output_bb, output_bvb): Output nop for
        conditional branch to the following instruction.  Use next_real_insn
        instead of next_active_insn.
        (output_dbra, output_movb, jump_in_call_delay): Use next_real_insn
        instead of next_active_insn.

2003-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "*movdi_31", "*movdf_31"): Use 'o'
        instead of 'm' constraint in forced-split alternatives.
        ("*adddi3_31", "*subdi3_31"): Likewise.  Also, pass 0 instead of 1 as
        VALIDATE_ADDRESS parameter to operand_subword.

2003-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (notice_update_cc): Correctly handle
        the case where the set destination is STRICT_LOW_PART.

2003-03-22  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/c4x/t-c4x (INSTALL_LIBGCC): Make gcc recognize a c33 as a
        c30 instead of a c40 processor.

2003-03-22  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_comparison <AND>): Use gen_int_mode.  Tidy.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c: Include intl.h.
        (shadow_warning): Rewrite to allow better diagnostic translations.
        * c-common.h: Update prototype of shadow_warning.  Declare sw_kind enum.
        * c-decl.c (warn_if_shadowing): Update calls to shadow_warning;
        use it throughout.
        * Makefile.in (c-common.o): Add intl.h.

2003-03-21  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Remove 'float_format'.

        * fixproto: Define NULL and size_t in generated stdlib.h and
        unistd.h.  Kill unused required_stdlib_h, required_unistd_h.
        Rearrange file generation loop for readability.  Generate time.h,
        string.h if missing.
        * tsystem.h: Include <string.h>, <time.h> unconditionally.
        * config.gcc: Blow away POSIX defines.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("call_value"): Fix trap check.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Fix typo in
        writing .interrupt command.
        * config/m68hc11/m68hc11.md ("call"): Look at the symbol to see
        if it's a far or near function.
        ("call_value"): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Add far and
        near attributes.
        (m68hc11_handle_fntype_attribute): Accept attributes on methods.
        (m68hc11_override_options): Ignore -mlong-calls for 68HC11.
        (m68hc11_initial_elimination_offset): Set current_function_far
        according to attributes.
        (expand_prologue): Likewise.
        (trap_handler_symbol): New global to keep track of trap handlers.
        (m68hc11_encode_section_info): Mark symbol as far if needed; set
        trap symbol.
        (m68hc11_is_far_symbol): New function.
        (m68hc11_is_trap_symbol): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_is_far_symbol): Declare.
        (m68hc11_is_trap_symbol): Declare.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_compute_frame_layout): Recompute fast prologues
        only when amount of saved regs changed.
        (ix86_init_machine_status): Initialize use_fast_prologue_epilgoue_nregs.
        * i386.h (machine_function): New fields use_fast_prologue_epilgoue_nregs.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/7916
        * function.c (instantiate_virtual_regs_lossage): New function.
        (instantiate_virtual_regs_1): Use it.
        (instantiate_virtual_regs): Do not continue in substition when insn has
        been deleted.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Fix a warning.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt_16): New.

2003-03-21  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (REG_ALLOC_ORDER):  Increase
        priority for R2 on Darwin.
        (HARD_REGNO_MODE_OK):  Don't accept R31 for DFmode.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Remove unnecessary AND
        when storing into zero_extract.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
        * configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
        * defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
        in comment.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * optabs.c (init_integral_libfuncs): Make sure we init at least up
        to "long long" size words.

2003-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h: Do not include fixdfdi.h on s390x.
        (TARGET_64BIT): Define as compile-time constant when IN_LIBGCC2.
        (MIN_UNITS_PER_WORD): Do not define when IN_LIBGCC2.

2003-03-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR doc-bug/9813
        * doc/extend.texi: Move misplaced paragraph about underscores in
        variables in macros.

2003-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR optimization/8366
        * config/sparc/sparc.h: (SYMBOLIC_CONST): New macro.
        (GO_IF_LEGITIMATE_ADDRESS): Use it. Reject the form
        PIC+SYMBOLIC_CONST in other modes than Pmode.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Use it. Mark
        the form PIC+SYMBOLIC_CONST as mode dependent.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_arith): Make
        sure we always emit at least one insn.

2003-03-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-cygwin*): Use new common makefile
        stub t-cygming. Use common target header cygming.h. Add extra
        c_target_obj and cxx_target_obj file. Default cygwin to posix
        threading. Enforce i386 as float format.
        (i[34567]86-*-mingw*): Use new common makefile stub t-cygming.
        Remove cygwin.h as target header. Use common target header
        cygming.h  Enforce i386 as float format. Correct typo.
        * config/i386/cygming.h: New file, containing definitions
        common to mingw32 and cygwin.
        * config/i386/cygwin.h: Remove definitions common to cygwin and
        mingw.  Simplify special spec logic.  Define "wrappers" around
        certain include path defines to accommodate -mno-cygwin.
        Remove some #if 0'ed code.
        (STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
        (LINK_SPEC): Don't use cyg search prefix when -mno-cygwin.
        (GCC_DRIVER_HOST_INITIALIZATION): Define as call to mingw_scan.
        * config/i386/mingw32.h: Remove definitions common to cygwin and
        mingw.
        (EXTRA_OS_CPP_BUILTINS): Adjust.
        (TARGET_VERSION): Define.
        * config/i386/crtdll.h (EXTRA_OS_CPP_BUILTINS): Override
        mingw32.h definitions.
        (LIBGCC_SPEC): Add libmingwex.a as in mingw32.h.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Define as cygwin1.o.
        Add compilation rules for cygwin1.o cygwin2.o.
        * config/i386/cygwin1.c: New file.
        * config/i386/cygwin2.c: New file.
        * config/i386/t-cygming: New makefile stub.

2003-03-20  Richard Henderson  <rth@redhat.com>

        * fold-const.c (extract_muldiv_1): Revert changing order of
        operands in case MULT_EXPR of 2003-02-16 patch.

2003-03-20  Daniel Berlin  <dberlin@dberlin.org>
        Merge changes from new-regalloc-branch

        From Michael Matz  <matz@suse.de>
        * df.c (df_ref_record_1): Move init of loc to safe point.
        Only recurse on interesting things in parallels.
        Handle CLASS_CANNOT_CHANGE_MODE smarter.
        (df_uses_record): Ditto.

        * df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
        it's already okay to use memory operands in (IE doesn't require
        adding another insn or anything).

2003-03-20  Richard Henderson  <rth@redhat.com>

        PR middle-end/6348
        * explow.c (allocate_dynamic_stack_space): Handle STACK_SIZE_MODE
        different from word_mode.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt): Restrict the
        source operand to those that can be extracted with bld.

2003-03-20  Richard Earnshaw  <rearnsha@arm.com>

        PR 10066
        * arm.md (UNSPEC_PIC_BASE): New constant.
        (pic_add_dot_plus_four): Wrap with unspec.
        (pic_add_dot_plus_eight): Likewise.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n): New.
        (*insv_si_1_n_lshiftrt): Likewise.

2003-03-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_mathfn_compare): New function to simplify
        comparisons against built-in math functions.  Fold comparisons
        of sqrt against constants.
        (fold): Call fold_mathfn_compare when appropriate.

2003-03-20 Richard Earnshaw  <rearnsha@arm.com>

        * ifcvt.c (find_if_case_1): If we add a new bb, update the dominance
        information.

2003-03-20  Per Bothner  <pbothner@apple.com>

        Various cleanups to help compile server.

        * cppinit.c (cpp_create_reader):  Take extra hash_table* argument,
        and pass that to _cpp_init_hashtable.
        (cpp_read_main_file):  Drop hash_table* argument; don't call
        _cpp_init_hashtable.
        * cpplib.h:  Update declarations to match.
        * c-opts.c (c_common_init_options):  Pass ident_hash to
        cpp_create_reader.
        (c_common_post_options):  Don't pass ident_hash to cpp_read_main_file.
        * fix-header.c (read_scan_file):  Likewise pass NULL table to
        cpp_create_reader rather than cpp_read_main_file.

        * cppfiles.c (cpp_rename_file):  Generalized and renamed
        to cpp_change_file.
        * cpplib.h:  Update declaration to match.
        * c-opts.c (push_command_line_line, finish_options):  Change
        cpp_rename_file calls to cpp_change_file.

        * line-map.c (add_line_map):  Allow leaving the outermost file.
        Allowing entering an outermost-file after the initial time.

        * toplev.c (pop_srcloc):  Allow popping from initial file.

2003-03-20  Kazu Hirata  <kazu at cs dot umass dot edu>

        * fold-const.c (fold): Fold A - (A & B) into ~B & A.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_and_r_1): New.
        (*addsi3_and_not_r_1): Likewise.

2003-03-19  Loren James Rittle  <ljrittle@acm.org>

        * Makefile.in (STRICT2_WARN): Add @WERROR@.
        (GCC_WARN_CFLAGS): Remove $(WERROR).
        (fixinc.sh-warn): New.
        * ada/Make-lang.in (ada-warn): Add $(WERROR).
        * cp/Make-lang.in (cp-warn): Add $(WERROR).
        * f/Make-lang.in (f-warn): Add $(WERROR).
        * java/Make-lang.in (java-warn): Add $(WERROR).
        * treelang/Make-lang.in (treelang-warn): Add $(WERROR).

2003-03-19  Nathanael Nerode  <neroden@gcc.gnu.org>

        * c-common.h (c_dump_tree), c-dump.c (c_dump_tree),
        langhooks-def.h (lhd_tree_dump_dump_tree),
        langhooks.c (lhd_tree_dump_dump_tree), langhooks.h (*dump_tree):
        Change return type from 'int' to 'bool'.  Replace 0 and 1 with
        true and false in return statements.

2003-03-19  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE): Define.
        (DWARF_COMPILE_UNIT_HEADER_SIZE): Take into account
        DWARF_INITIAL_LENGTH_SIZE.
        (output_compilation_unit_header, output_pubnames, output_aranges)
        (output_line_info): Output 0xffffffff escape value for 64-bit
        DWARF extension.
        * config/mips/iris6.h (DWARF_INITIAL_LENGTH_SIZE): Define.

2003-03-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Do not
        force constants to the pool unless necessary.
        (s390_decompose_address): Prefer to use pointer as base,
        not index register.
        * config/s390/s390.md ("*tsthiCCT_only"): Remove '?' from
        Q alternative.
        ("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
        "*movdf_64", "*movsf"): Add '?' to Q->Q alternatives.
        ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
        "*zero_extendqisi2_31", "*zero_extendqihi2_31",
        "*adddi3_31", "*subdi3_31"): Do not set "type" attribute.

2003-03-19  Jan Hubicka  <jh@suse.cz>

        * i386.h (machine_function): New fields use_fast_prologue_epilogue.
        * i386.c (use_fast_prologue_epilogue): Remove.
        (ix86_frame): New field save_regs-using_mov;
        (ix86_compute_frame_layout):  Decide on fast prologues;
        allocate saved registers in red zone.
        (ix86_expand_epilogue, ix86_expand_prolgoues): Obey new parameters.

2003-03-19  Nick Clifton  <nickc@redhat.com>

        * config/mcore/mcore.h (CPP_SPEC): Remove trailing semi-colon.

2003-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR 10062
        * config/pa/pa-hpux.h (TARGET_HPUX_UNWIND_LIBRARY): Redefine.
        * pa-protos.h (output_lbranch): New prototype.
        * pa.c (compute_frame_size): Change size of the frame marker on the
        64-bit ports to 48 bytes.
        (pa_output_function_prologue): Document why SAVE_SP is set.
        (hppa_expand_prologue): Save previous stack pointer into frame marker
        on targets which use the hpux unwind library.
        (output_cbranch): Use output_lbranch.
        (output_lbranch): New function to output long unconditional branches.
        * pa.h (TARGET_HPUX_UNWIND_LIBRARY): Define.
        (STACK_POINTER_OFFSET): Update offset for 48-byte frame marker on
        64-bit ports.
        * pa.md (jump): Use output_lbranch.
        (allocate_stack): New expander for dynamic stack allocation.

2003-03-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_info): Only require a frame
        when debugging on XCOFF targets.  Delete "abi" temp.

        PR target/10073
        * combine.c (force_to_mode <NOT>): Use gen_int_mode.

2003-03-18  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_output_dwarf_dtprel): New.
        * config/s390/s390-protos.h (s390_output_dwarf_dtprel): New proto.
        * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Define.

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): New.
        * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): New proto.
        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't clone
        the result of machopic_function_base_name.
        * config/darwin.c (machopic_function_base_name): Use a gc-allocated
        string rather than a static array.

        * Makefile.in (emit-rtl.o): Add gt-emit-rtl.h to dependencies.

        * gengtype.c: Include rtl.h.
        (enum rtx_code): Don't define.
        (rtx_format): Make declaration match rtl.h.
        (rtx_next_new): Rename from rtx_next to avoid conflict.  Change all
        users.
        (adjust_field_rtx_def): Describe strings in NOTE_LINE_NUMBER notes.
        * Makefile.in (gengtype.o): Update dependencies.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (iordi3): Fix setting low half to -1.  From
        martin@blom.org.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * function.c (next_block_index): Mark with GTY.

        * config/rs6000/rs6000.md (macho_correct_pic): Correct pattern.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md (UNSPECV_SETJMP_RECEIVER): New.
        (builtin_setjmp_receiver): Delay call to ia64_reload_gp
        until after reload.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_unop): New target_mode operand;
        use it to convert the result to the correct mode.
        (expand_builtin): Update all callers.

2003-03-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "movhi", "movqi"): Add "type" attribute.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md:  Fix previous commit that mistakely applied the patch
        twice.

        * alias.c (rtx_equal_for_memref_p): Assume that X and Y has been
        canonicalized.
        (memrefs_conflict_p): Likewise.
        (addr_side_effect_eval): Canonicalize the constructed address.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md (cvtts?2si peep2): New.

2003-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_two_qi_zext): New.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * dwarf2out.c (output_file_names): Cast size_t to unsigned long
        for format.

2003-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/10091
        * expr.c (expand_expr) [ADDR_EXPR]: Disallow taking the address of
        an unaligned member of TREE_ADDRESSABLE type.

2003-03-18  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (MASK_PROFILE_KERNEL): Define.
        (TARGET_PROFILE_KERNEL): Define.
        (SUBTARGET_SWITCHES): Handle -mprofile-kernel.
        (PROFILE_BEFORE_PROLOGUE): Don't define.
        (PROFILE_KERNEL): Remove hacks.
        * config/rs6000/rs6000.c (TARGET_PROFILE_KERNEL): Define default.
        (rs6000_stack_info): No need to save lr if just for profiling when
        TARGET_PROFILE_KERNEL.
        (output_profile_hook): Output nothing when TARGET_PROFILE_KERNEL.
        (output_function_profiler): Localize label generation.  Emit code
        for kernel profiling.

2003-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        byte_accesses_mergeable_p.
        * config/h8300/h8300.c (byte_accesses_mergeable_p): New.
        * config/h8300/h8300.md (*iorhi3_two_qi_mem): Likewise.
        (a splitter): Likewise.
        (*iorsi3_ashift_16_ashift_24): Likewise.
        (*iorsi3_ashift_16_ashift_24_mem): Likewise.

2003-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dwarf2asm.h: Delete obsolete comment.
        (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
        dw2_asm_output_pcrel, dw2_asm_output_addr,
        dw2_asm_output_addr_rtx, dw2_asm_output_encoded_addr_rtx,
        dw2_asm_output_nstring, dw2_asm_output_data_uleb128,
        dw2_asm_output_data_sleb128, dw2_asm_output_delta_uleb128,
        dw2_asm_output_delta_sleb128): Add ATTRIBUTE_NULL_PRINTF.

2003-03-17  Zack Weinberg <zack@codesourcery.com>

        * c-tree.h (struct lang_identifier): Remove error_locus field.
        (IDENTIFIER_ERROR_LOCUS): Kill.
        (record_function_scope_shadow): New prototype.
        * c-typeck.c (build_external_ref): Don't complain if
        decl is error_mark_node.  When not at file scope, bind the
        decl's local value to error_mark_node to suppress further
        warnings, instead of setting IDENTIFIER_ERROR_LOCUS.

        * c-decl.c (get_function_binding_level): New static function.
        (record_function_scope_shadow): New exported function.
        (c_make_fname_decl): Use get_function_binding_level.

2003-03-17  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (tail_recursion_args): Call promote_mode to set
        unsignedp flag correctly before calling convert_move.

2003-03-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-unroll.c (decide_peel_completely,
        decide_unroll_constant_iterations, decide_unroll_stupid,
        decide_unroll_runtime_iterations, decide_peel_simple): Set
        loop->has_desc.

2003-03-17  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_mark_roots): Use htab_traverse_noresize.

2003-03-17  Olivier Hainque  <hainque@act-europe.fr>

        * function.c (assign_parms): For a struct value address passed as
        first argument, delay the function's result RTL setup code until
        after the emission of parameter conversions.

2003-03-17  Dave Love  <fx@gnu.org>
            Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Define __digital__,
        __arch64__ to match Compaq cc.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c: Default TARGET_EBCDIC to 0 if not defined.
        (c_common_init): Set EBCDIC in cpp options.
        * cpplex.c (maybe_read_ucs, cpp_parse_escape): Use EBCDIC option,
        not conditional compilation.
        * cpplib.h (struct cpp_options): New entry EBCDIC.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Need to malloc arguments to add_path.

2003-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * function.c (thread_prologue_and_epilogue_insns): Set delete_unused
        argument to 0 for redirect_jump.

2003-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/8805
        * except.c (eh_region_u_cleanup): Add prev_try.
        (expand_eh_region_end_cleanup): Set it.
        (reachable_handlers): Use it to skip over cleanup blocks.

2003-03-17  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (TAGS): Remove obsolete handling of =*.[chy].

2003-03-17  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (TARGET_64BIT): Redefine.
        (TARGET_RELOCATABLE, TARGET_EABI, TARGET_PROTOTYPE): Likewise.
        (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Likewise.
        (SUBTARGET_OVERRIDE_OPTIONS, CPP_SYSV_SPEC): Likewise.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * simplify-rtx (simplify_binary_operation): Don't abort for
        SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (movstrictqi, movstrictqi_1): Check
        optimize_size as well.

2003-03-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (print_operand): Handle 'b' modifier
        for D register to specify the low part of it, aka B.
        (m68hc11_gen_movhi): Use REG_WAS_0 note and increment or decrement
        the register if we are loading 1 or -1 to it; avoid using temp
        register when moving X/Y to Y/X.
        (m68hc11_gen_movqi): Likewise.
        (m68hc11_check_z_replacement): Fix last insn setting for compare case.

2003-03-14  Mark Mitchell  <mark@codesourcery.com>

        PR optimization/9016
        * config/i386/i386.c (ix86_expand_move): Force more CONST_DOUBLEs
        into the constant pool.

2003-03-16  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR target/9164
        * tree.c (get_narrower): For extensions with unchanged bit number,
        return the unsignedness of the outer mode.

2003-03-16  Roger Sayle  <roger@eyesopen.com>

        * c-typeck.c (build_component_ref):  Turn "for" into "do .. while"
        to avoid "may be used uninitialized" warning on ia64-hpux.
        * config/ia64/ia64-c.c: Include "tm_p.h" for function prototypes.

2003-03-16  Andreas Jaeger  <aj@suse.de>

        * configure.in: Improve check for memcheck.h.
        * configure: Regenerated.

2003-03-16  Neil Booth  <neil@daikokuya.co.uk>

        * doc/cppopts.texi: Remove documentation of -A-.

2003-03-15  Zack Weinberg  <zack@codesourcery.com>

        * doc/libgcc.texi: Remove @tie.

2003-03-15  Josef Zlomek  <zlomekj@suse.cz>

        * rtl.h (subrtx_p): Renamed to rtx_referenced_p.
        (rtx_pair): Added new element update_label_nuses, renamed to
        replace_label_data.
        * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use
        replace_label_data instead of rtx_pair.
        * loop.c (load_mems): Likewise.
        * rtlanal.c (replace_label): Replace label in pool constants and in
        INSN_LIST (in REG_LABEL note).
        (subrtx_p): Renamed to rtx_referenced_p.
        (subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of
        LABEL_REF with CODE_LABEL, traverse constants from pool.

2003-03-15  Aldy Hernandez <aldyh@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (TEXI_GCCINT_FILES): Add libgcc.texi.
        * doc/libgcc.texi: New file.
        * doc/interface.texi: Delete paragraph about libgcc interface.
        * doc/gccint.texi: Add libgcc menu entry and @include libgcc.texi.

2003-03-15  Jason Merrill  <jason@redhat.com>

        PR debug/9039
        * dwarf2out.c (gen_decl_die): Ignore frontend tree codes.

        PR debug/6387
        * dwarf2out.c (dwarf2out_decl): If we're at -g1, just stick nested
        function DIEs at toplevel.
        (decls_for_scope): At -g1, don't descend into subblocks.

2003-03-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * varasm.c (struct rtx_const): Change type of un.addr member
        to struct holding an additional 'symbol' member.
        (decode_rtx_const): Re-enable optimization to count SYMBOL_REFs
        with equal string addresses as equal.
        (simplify_subtraction): Adapt to struct rtx_const change.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Read main file before handling -D.

2003-03-15  Roger Sayle  <roger@eyesopen.com>

        * c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace.
        * c-typeck.c (c_tree_expr_nonnegative_p): Likewise.
        * cfgbuild.c (find_many_sub_basic_blocks): Likewise.
        (find_sub_basic_blocks): Likewise.
        * cgraphunit.c (cgraph_expand_functions): Likewise.
        * dwarf2out.c (prune_unused_types): Likewise.
        * expr.c (store_field): Likewise.
        * genextract.c (print_path): Likewise.
        * haifa-sched.c (schedule_insn): Likewise.
        * lcm.c (compute_antinout_edge): Likewise.
        * loop-unroll.c (decide_peel_once_rolling): Likewise.
        * ra-colorize.c (ra_colorize_free_all): Likewise.
        * ra-debug.c (dump_igraph): Likewise.
        (debug_hard_reg_set): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        * rtlanal.c (refers_to_regno_p): Likewise.
        * tracer.c (layout_superblocks): Likewise.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Fix thinko.

2003-03-15  Glen Nakamura  <glen@imodulo.com>

        * reload1.c (choose_reload_regs): Use && instead of ||
        with REG_CANNOT_CHANGE_MODE_P condition.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (cb_register_builtins): Rename c_cpp_builtins.
        * c-lex.c (init_c_lex): Register builtins hook is dead.
        * c-opts.c (COMMAND_LINE_OPTIONS, missing_arg): Handle -A, -D and -U.
        (c_common_decode_option): Don't call cpp_handle_option.
        Handle -A, -D and -U.
        (handle_deferred_opts): Simplify.
        (finish_options): Define builtins and command line macros.
        * c-ppoutput.c (init_pp_output): Register builtins hook is dead.
        * cppinit.c: Don't include intl.h.
        (init_builtins): Rename cpp_init_builtins.  No hook to call.
        (init_library): Don't need to sort options.
        (cpp_create_reader): Don't set pending.
        (cpp_destroy): Don't free pending.
        (struct pending_option, cl_directive_handler, struct cpp_pending,
        APPEND, free_chain, new_pending_directive, parse_option, opt_comp,
        cpp_finish_options, COMMAND_LINE_OPTIONS, DEF_OPT, struct cl_option,
        cl_options, cpp_handle_option): Remove.
        * cpplib.h (struct cpp_pending, register_builtins, cpp_handle_option,
        cpp_finish_options): Remove.
        (cpp_init_builtins): New.
        * fix-header.c (read_scan_file): Update to handle -D.  Fix
        handling of -I.  Replace call to cpp_finish_options.

2003-03-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        PR optimization/9387
        * function.c (thread_prologue_and_epilogue_insns): Use redirect_jump
        for conditional returns.

2003-03-14  Jason Merrill  <jason@redhat.com>

        PR optimization/6871
        * varasm.c (assemble_variable): Leave constant zeroes in .rodata.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c (finish_options): New.
        (COMMAND_LINE_OPTIONS, c_common_decode_option): Add -imacros.
        (missing_arg): Handle OPT_include and OPT_imacros.
        (c_common_init, c_common_parse_file): Use finish_options.
        (handle_deferred_opts): Update.
        * cppinit.c (struct cpp_pending): Remove imacros_head and imacros_tail.
        (cpp_finish_options): Don't handle -imacros here.
        (no_fil): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -imacros.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Don't call
        rs6000_maybe_dead if !fromprolog.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (fe_file_change, pp_file_change): New.
        * c-lex.c (init_c_lex): Don't set cb_file_change.
        (c_common_parse_file): Move to c-opts.c.
        (cb_file_change): Rename fe_file_change.
        * c-opts.c: Include debug.h.
        (warn_unused_macros, include_cursor): New.
        (push_command_line_include, cb_file_change): New.
        (COMMAND_LINE_OPTIONS): Handle -include.
        (c_common_decode_option): Use local warn_unused_macros.
        Handle OPT_include.
        (c_common_post_options): Set file change callback.
        (handle_deferred_opts): Skip -include.  Don't free the array.
        (c_common_init): Call cpp_finish_options here, and push an
        initial -include file.
        * c-ppoutput.c (cb_file_change): Rename pp_file_change.
        (preprocess_file): Don't call cpp_finish_options.
        (init_pp_output): Don't set the file change callback.
        (pp_file_change): Return if no line commands or no output.
        * cpphash.h (next_include_file, first_unused_line): Remove.
        * cppinit.c (include_head, include_tail): Remove.
        (cpp_destroy): Don't free -include chain.
        (cpp_finish_options): Don't handle -include, or worry about
        -Wunused-macros.
        (_cpp_maybe_push_include_file): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -include.
        * cpplib.c (_cpp_pop_buffer): Don't handle -include.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_create_definition):
        Used flag is set based upon the state of the warn_unused_macros
        flag, and so use of first_unused_line is unnecessary.

2003-03-13  Jan Hubicka  <jh@suse.cz>

        * cselib.c (clear_table): Do not take argument; always clear just
        used slots.
        (cselib_process_insn):  Update call of clear_table
        (cselib_init): Do not call clear_table.
        (cselib_finish): Clear table.

        * cse.c (count_reg_usage): Do not check side_effects_p.
        * rtlanal.c (set_noop_p): Check side_effects_p only when set looks
        like noop.
        (find_reg_equal_equiv_note): Do not use find_reg_note.

2003-03-14  Richard Henderson  <rth@redhat.com>

        PR target/9700
        * config/alpha/alpha.c (alpha_va_start): Account for
        current_function_pretend_args_size in the AP offset.

        * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Move out of line.
        (INITIAL_ELIMINATION_OFFSET): Move out of line.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): New.
        (alpha_initial_elimination_offset) New.
        * config/alpha/alpha-protos.h: Update.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * stmt.c (expand_start_case): Call emit_queue ().

2003-03-14  Chris Demetriou  <cgd@broadcom.com>
            Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (FUNCTION_PROFILER): _mcount() doesn't pop 2
        words in new abis.

2003-03-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8396
        * tree-inline.c (initialize_inlined_parameters): Make sure the value
        of read-only constant arguments is passed with the right type.

2003-03-14  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/extend.texi (Function Names): Make the example compilable.

2003-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Really allow
        GP optional instructions on Power4.

2003-03-13  Roger Sayle  <roger@eyesopen.com>

        * calls.c (flags_from_decl_or_type): Factor and remove redundant
        conditional tests.

2003-03-13  Mike Stump  <mrs@apple.com>

        * ggc-page.c (struct page_entry): Remove varray.h header.
        Add index_by_depth field.
        Remove save_in_use_p field.
        (struct globals): Add depth_in_use, depth_max, by_depth_in_use,
        by_depth_max, by_depth, and save_in_use fields.
        (INITIAL_PTE_COUNT): Add.
        (save_in_use_p_i): Add.
        (save_in_use_p): Add.
        (adjust_depth): Add.
        (move_ptes_to_front): Add.
        (push_depth): Add.
        (push_by_depth): Add.
        (prefetch): Add.
        (free_page): Add support for and use faster data structures.
        (ggc_alloc): Likewise.
        (init_ggc): Likewise.
        (ggc_recalculate_in_use_p): Likewise.
        (ggc_pop_context): Likewise.
        (clear_marks): Likewise.
        (ggc_pch_read): Likewise.
        * Makefile.in (ggc-page.o): Remove varray.h.

2003-03-13  Nathanael Nerode  <neroden@gcc.gnu.org>

        * ChangeLog: Rotated last year's entries to...
        * ChangeLog.8: New.

        * config/ia64/fde-glibc.c, config/ia64/freebsd.h,
        config/ia64/hpux.h, config/ia64/hpux_longdouble.h,
        config/ia64/ia64-c.c, config/ia64/ia64-modes.def,
        config/ia64/ia64-protos.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/ia64/ia64.md,
        config/ia64/itanium1.md, config/ia64/itanium2.md,
        config/ia64/quadlib.c, config/ia64/unwind-ia64.c,
        config/ia64/unwind-ia64.h: It's GCC, not GNU CC.

2003-03-13  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span):
        Differentiate endianness.
        (s6000_override_options): Use cpu type instead of TARGET_SPE.

2003-03-13  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (print_multi_reg): Do not generate a type 2
        LDM instructions with writeback enabled.
        (output_return_instruction): Likewise.

        * config/arm/pe.h (FIXED_REGISTERS): Remove definition.
        (CALL_USED_REGISTERS): Remove definition.
        (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define.

2003-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_flag_pic): Delete.
        (rs6000_xcoff_encode_section_info): #ifdef TARGET_XCOFF.
        (rs6000_binds_local_p, TARGET_BINDS_LOCAL_P): #if TARGET_MACHO.
        (rs6000_override_options): Don't clear flag_pic for ABI_AIX.
        (rs6000_legitimize_address): Formatting.
        (rs6000_emit_move): Likewise.
        (rs6000_return_addr): Test ABI_AIX as well as flag_pic.
        (rs6000_emit_prologue <save_LR_around_toc_setup>): Likewise.
        (rs6000_elf_select_section): Comment reason for shlib being
        set for ABI_AIX.
        (rs6000_elf_unique_section): Likewise.
        (rs6000_elf_encode_section_info): Test !TARGET_AIX as well as ABI_AIX.
        * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Test ABI_AIX
        as well as flag_pic.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
        (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
        * config/rs6000/linux64.h (TARGET_ENCODE_SECTION_INFO): Don't define.

2003-03-13  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (try_split): Handle 1-1 splits of call insns properly.

        * config/ia64/ia64.c (TARGET_FUNCTION_OK_FOR_SIBCALL): New.
        (ia64_gp_save_reg): Remove.
        (struct ia64_frame_info): Move to the beginning of the file;
        add reg_save_gp.
        (ia64_expand_call): Rearrange for new call patterns.
        (ia64_reload_gp): New.
        (ia64_split_call): New.
        (ia64_compute_frame_size): Allocate reg_save_gp.
        (ia64_expand_prologue): Save reg_save_gp.
        (ia64_expand_epilogue): Don't restore gp.
        (ia64_hard_regno_rename_ok): Remove R4 hack.
        (ia64_function_ok_for_sibcall): New.
        (ia64_output_mi_thunk): Set reload_completed, no_new_pseudos;
        call try_split on sibcall pattern.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.md (call_nogp, call_value_nogp, sibcall_nogp):
        Rename from nopic versions.  Confiscate 2nd argument to call as
        a marker.
        (call_pic, call_value_pic, sibcall_pic): Remove.
        (call_gp, call_value_gp, sibcall_gp): New.
        (builtin_setjmp_setup): Remove.
        (builtin_setjmp_receiver): Call ia64_reload_gp.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md: Replace
        "GNU CC" with "GCC".

        * config/c4x/c4x-c.c, config/c4x/c4x-modes.def,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/c4x/c4x.md, config/c4x/libgcc.S, config/c4x/rtems.h:
        GCC, not GNU CC.

        * genattrtab.h, hosthooks-def.h, hosthooks.h, langhooks-def.h,
        langhooks.h, tree-inline.h: Replace "GNU CC" with "GCC".

        * c-pch.c, dummy-conditions.c, genautomata.c, genconditions.c,
        langhooks.c, tree-inline.c, unwind-dw2-fde-darwin.c,
        unwind-dw2-fde-glibc.c, unwind-libunwind.c, vmsdbgout.c: Replace
        "GNU CC" with "GCC".

        * config/v850/lib1funcs.asm, config/v850/rtems.h,
        config/v850/v850-c.c, config/v850/v850-protos.h,
        config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
        GCC, not GNU CC.

        * config/vax/bsd.h, config/vax/elf.h, config/vax/netbsd-elf.h,
        config/vax/netbsd.h, config/vax/openbsd.h, config/vax/openbsd1.h,
        config/vax/ultrix.h, config/vax/vax-protos.h, config/vax/vax.c,
        config/vax/vax.h, config/vax/vax.md, config/vax/vaxv.h: GCC, not
        GNU CC.

2003-03-12  Benjamin Kosnik  <bkoz@redhat.com>

        * cpppch.c (cpp_valid_state): Use DL_WARNING_SYSHDR, not DL_WARNING.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * fixinc/fixinc.interix: Remove dead code (most of it).
        * fixinc/fixinc.dgux: Remove.

        * ginclude/float.h, ginclude/iso646.h, ginclude/stdarg.h,
        ginclude/stdbool.h, ginclude/stddef.h: GCC, not GNU CC.

2003-03-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_init_builtins): Fix warning.

2003-03-12  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR): Remove.
        (ASM_OUTPUT_XDATA_SHORT): Remove.
        (ASM_OUTPUT_XDATA_INT): Remove.
        (ASM_OUTPUT_XDATA_DOUBLE_INT): Remove.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Handled 32 bit address diffs.
        (ASM_PREFERRED_EH_DATA_FORMAT): Handle 32 bit EH pointers.
        (CASE_VECTOR_MODE): Handle 32 bit pointers in case statement.

2003-03-12  Andrew Lewycky  <andrew@mxc.ca>

        PR c++/7050
        * expr.c (store_expr): Don't attempt to store void-typed trees,
        just evaluate them for side effects.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * cppfiles.c (cpp_rename_file, cpp_push_include): New.
        * cppinit.c (push_include): Move with changes to cppfiles.c.
        (cpp_read_main_file): Mark named operators here...
        (cpp_finish_options): ...not here.  Update.
        (_cpp_maybe_push_include_file): Update.
        * cpplib.h (cpp_push_include, cpp_rename_file): New.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * aclocal.m4: Introduce gcc_GAS_VERSION_GTE_IFELSE,
        _gcc_COMPUTE_GAS_VERSION.
        * configure.in: Use them.
        * configure: Regenerate.

2003-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3): Don't clobber source operand used
        to detect carry.
        (subdi3): Reorder emitted instructions.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Eliminate all.indirect.  Update and clean up comments.
        Rearrange.  Reorganize.
        * configure.in: Rearrange.
        * configure: Regenerate.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * c-cppbuiltin.c (cb_register_builtins): Define LP64 builtins for
        LP64 targets.

        * doc/cpp.texi (Common Predefined Macros): Document __LP64__ and
        _LP64.

        * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Do not define
        _LP64 macros here.
        * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Likewise.

        * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.
        * config/sh/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.

        * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_LP64): Remove.

2003-03-12  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_setup_incoming_varargs): Set stack_alignment_needed to 128.

2003-03-12  Daniel Jacobowitz  <drow@mvista.com>

        Fix PR target/9797 and PR c/9853.
        * stmt.c (expand_decl_init): Call push_temp_slots () and
        pop_temp_slots ().

2003-03-12  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c: Include basic-block.h.
        (sh_output_mi_thunk, emit_load_ptr): New functions.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Redefine.

2003-03-12  Nick Clifton  <nickc@redhat.com>

        * config/arm/pe.h (FIXED_REGISTERS): Add Maverick registers.
        (CALL_USED_REGISTERS): Likewise.
        * config/arm/arm.h (FIRST_PSEUDO_REGISTER): Update comment
        describing how this value is calculated.

2003-03-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.in (rlim_t): Define to long if no valid definition
        found in sys/resource.h.
        * config.in, configure: Regenerate.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * config/mcore/mcore-elf.h (CPP_PREDEFINES): Replace with
        TARGET_OS_CPP_BUILTINS.
        * config/mcore/mcore-pe.h: Similarly.
        * config/mcore/mcore.h: Replace CPP_PREDEFINES and part of
        CPP_SPEC with TARGET_CPU_CPP_BUILTINS.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9928
        * c-decl.c (duplicate_decls): Discard the initializer of the new decl
        only if it is a VAR_DECL.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (jcc_1): Fix range.
        (jcc_2): Likewise.
        (jump): LIkewise.
        (doloop_end_internal): Likewise.

2003-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (DLL_IMPORT_PREFIX): New define.
        Use throughout instead of DLL_IMPORT_EXPORT_PREFIX and "e."
        (DLL_EXPORT_PREFIX): New define. Use throughout instead of
        DLL_IMPORT_EXPORT_PREFIX and "i."
        (i386_pe_dllexport_name_p): Here.
        (i386_pe_dllimport_name_p): Here.
        (i386_pe_mark_dllexport): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name.
        (i386_pe_mark_dllimport): Here.
        (i386_pe_encode_section_info): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name. Correct comment.
        (i386_pe_strip_name_encoding): Here. Add comments for different
        cases.
        (gen_fastcall_suffix): Break down xmalloc() argument to
        components.
        (gen_stdcall_suffix): Likewise.
        Update copyright year.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (movsi_1): Remove special alternatives
        for %eax register.
        (movsi_1_nointernunit): Likewise.
        (movhi_1): Likewise.
        * config/i386/i386.c (memory_address_length): Do not use
        short displacement when there is no base.
        (ix86_attr_length_address_default): Handle LEA instructions.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * c-cppbuiltin.c (builtin_define_std): Make non-static.

2003-03-11  Loren James Rittle  <ljrittle@acm.org>

        * config/freebsd-spec.h (FBSD_CPP_PREDEFINES): Remove.
        (FBSD_TARGET_OS_CPP_BUILTINS): New port-specific macro.
        (FBSD_TARGET_CPU_CPP_BUILTINS): New port-specific macro.
        * config/freebsd.h (CPP_PREDEFINES): Remove.
        (TARGET_OS_CPP_BUILTINS): New.
        * config/alpha/freebsd.h: Use overridden FBSD_TARGET_CPU_CPP_BUILTINS
        instead of TARGET_OS_CPP_BUILTINS.
        * config/sparc/freebsd.h (CPP_PREDEFINES): Remove.

2003-03-11  Geoffrey Keating  <geoffk@apple.com>

        * c-cppbuiltin.c (builtin_define_std): Add ATTRIBUTE_UNUSED.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Remove
        insn_chain_scanned.  Use insn_chain_scanned_p in machine_function.

        * config/rs6000/rs6000.h (machine_function): Add insn_chain_scanned_p.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (independent_decode_option): Return success for --help,
        --target-help and --version.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/linux64.h (DRIVER_SELF_SPECS): Add endian_spec.
        Default to -mips3 on -mabi=64.  Don't add -mips* flag if -march is
        specified.
        (SUBTARGET_ASM_SPEC): Remove -mips*-adding code obviated by
        DRIVER_SELF_SPECS.
        (LINK_SPEC): Let endian options affect the linker emulation name.

2003-03-11  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (reload_inqi): Fix mode for source in second set.

2003-03-11  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_invalidate_mem_1): Move too ...
        (cselib_invalidate_mem): ... here; use new list
        (dummy_val, first_containing_mem): New static variables.
        (clear_table): Initialize first_containing_mem.
        (discard_useless_values):  Compact the containing_mem list.
        (add_mem_for_addr): Add to the list.
        * cselib.h (cselib_val): Add next_containing_mem.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Disable string
        instructions for e500.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-cppbuiltin.c: Include tm_p.h.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi (Frame Registers): Document DWARF_REG_TO_UNWIND_COLUMN.

        * unwind-dw2.c (DWARF_REG_TO_UNWIND_COLUMN): Define.
        (_Unwind_GetGR): Use DWARF_REG_TO_UNWIND_COLUMN.
        (_Unwind_SetGR): Same.
        (_Unwind_GetGRPtr): New.
        (_Unwind_SetGRPtr): New.
        (uw_update_context_1): Use accesor functions instead of accessing
        context->reg[] directly.
        (uw_install_context_1): Same.
        (execute_cfa_program): Same.
        (__frame_state_for): Same.

        * config/rs6000/rs6000.c (spe_synthesize_frame_save): Use 1200 as
        the synthetic register offset.

        * config/rs6000/rs6000.h (DWARF_REG_TO_UNWIND_COLUMN): New.

2003-03-11  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Remove lingering EGCS reference.
        ("*extopqihi_side_biap"): For HI operation, match
        cris_additive_operand_extend_operator, not
        cris_operand_extend_operator.  Adjust condition.
        ("*extopqihi_side", "*extopqihi"): Ditto.
        ("*extopqisi_side_biap"): Correct operand numbers in condition.
        ("*extophisi_side_biap", "*extopqisi_swap_side_biap"): Ditto.
        ("*extophisi_swap_side_biap", "*extopqisi_swap"): Ditto.
        ("*extophisi_swap"): Ditto.
        ("*extopqihi_swap_side_biap"): For HI operation, match a simple
        PLUS, not cris_operand_extend_operator.  Adjust condition and
        output template.
        ("*extopqihi_swap_side", "*extopqihi_swap"): Ditto.
        * config/cris/cris.h (PREDICATE_CODES): Add
        cris_additive_operand_extend_operator.
        * config/cris/cris.c (cris_additive_operand_extend_operator):
        New predicate.

2003-03-11  Hartmut Penner  <hpenner@de.ibm.com>

        * df.c (read_modify_subreg_p): Change from static to global.
        * df.h (read_modify_subreg_p): Add prototype.
        * sched-deps.c (sched_analyze_1): Generate true dependency for
        strict_low_part, certain subregs and zero/sign_extract.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c: Don't include real.h or except.h.
        (REGISTER_PREFIX): Remove.
        (builtin_define_std, builtin_define_with_value,
        builtin_define_with_int_value, builtin_define_with_hex_fp_value,
        builtin_define_type_max, builtin_define_type_precision,
        builtin_define_float_constants): Move to c-cppbuiltin.c.
        (c_stddef_cpp_builtins): New.
        * c-common.h (builtin_define_with_value, c_stddef_cpp_builtins): New.
        * c-cppbuiltin.c: New, extracted from c-common.c.
        (define__GNUC__): New.
        * cppspec.c (lang_specific_driver): Remove support of -no-gcc.
        * gcc.c: Remove support of %v1, %v2 and %v3 specs.
        (cpp_unique_options): Don't support no-gcc.
        (do_spec_1): Remove support of version specs.
        * doc/invoke.texi: Remove documentation of %v1, %v2 and %v3.
        * doc/passes.texi: Update.
        * doc/tm.texi: Update.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Fix thinko.

2003-03-10  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_function_base_name): If dynamic-no-pic
        is on should not get here.
        (machopic_indirect_data_reference): If dynamic-no-pic is on just
        generate high/low parts of the address.
        (machopic_legitimize_pic_address): Change MACHOPIC_PURE to
        MACHOPIC_INDIRECT. Dynamic-no-pic uses 0 as the pic base. Generate
        symbol and labels with a new reg.  Dynamic-no-pic does not have a
        pic_offset_table_rtx.
        (machopic_select_section): Change references of flag_pic to
        MACHOPIC_INDIRECT.
        (machopic_asm_out_destructor): Likewise.
        * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Change
        reference of flag_pic to MACHOPIC_INDIRECT.
        (MACHO_DYNAMIC_NO_PIC_P): Define as TARGET_DYNAMIC_NO_PIC.
        (MACHOPIC_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_JUST_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_PURE): Is not pure when dynamic-no-pic is on.
        * config/i386/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define as
        0 for right now as dynamic-no-pic is not implemented on Darwin/ia32.
        * config/rs6000/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define.
        (TARGET_DYNAMIC_NO_PIC): Define.
        (SUBTARGET_SWITCHES): Define, have sub-target switches for
        dynamic-no-pic.
        (SUBTARGET_OVERRIDE_OPTIONS): Move check for -fpic from
        rs6000_override_options to here. Dynamic-no-pic overrides
        pic.
        (CC1_SPEC): Change from not static then pic to not static and not
        dynamic-no-pic then pic.
        * config/rs6000/rs6000.c (rs6000_override_options): Move the
        check for -fpic and DARWIN_ABI to config/rs6000/darwin.h
        (rs6000_legitimize_reload_address): Add case for loading floating in
        dynamic-no-pic.
        (rs6000_emit_move): Add case for dynamic-no-pic.  Change reference
        of flag_pic to MACHOPIC_INDIRECT.
        (secondary_reload_class): Conditional change the reference of
        flag_pic to MACHOPIC_INDIRECT.
        (rs6000_output_mi_thunk): Change reference of flag_pic to
        MACHOPIC_INDIRECT.
        (output_profile_hook): Likewise.
        (machopic_output_stub): Non-pure (dynamic-no-pic) is now supported.
        * config/rs6000/rs6000.md (movdf_low): Add the case for
        MACHO_DYNAMIC_NO_PIC_P.
        (call): Change references for flag_pic in TARGET_MACHO to
        MACHOPIC_INDIRECT.
        (SUBTARGET_OVERRIDE_OPTIONS): Add case where -fpic is on and
        -mdynamic-no-pic is on.  Also move case for -fpic from rs6000.c.
        * doc/invoke.texi (-mdynamic-no-pic): Document.

2003-03-10  Devang Patel  <dpatel@apple.com>

        PR c++/9394
        * gcc.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Add.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Add.
        * cppspec.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.

2003-03-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR optimization/7189
        * toplev.c (rest_of_compilation):  Move
        check_function_return_warnings up to just after
        delete_unreachable_blocks.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (HARD_REGNO_RENAME_OK): Define.
        * config/m68hc11/m68hc11-protos.h (m68hc11_hard_regno_rename_ok):
        Declare.
        * config/m68hc11/m68hc11.c (m68hc11_hard_regno_rename_ok): New function
        for reg rename optimization to avoid using Z and Y registers.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*addhi3_68hc12"): Accept any constant
        when adding to X and Y since leax/leay are fast.
        ("*addhi3"): Accept 'I' constraint when adding to address register.
        ("rotlhi3"): Operand 1 must be a register_operand.
        (peephole2): New peephole to optimize some adds.
        * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_P): Use 'I' constraint
        to represent -2 .. 2 small integer range.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_rotate): Set carry before
        each 16-bit rotation.

2003-03-10  Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (add_prefixed_path): Don't use concat.  When
        prefixing with cpp_GCC_INCLUDE_DIR, copy only the first
        cpp_GCC_INCLUDE_DIR_len characters.

2003-03-10  Segher Boessenkool  <segher@koffie.nl>

        * testsuite/gcc.dg/altivec-9.c: New file.

        * config/rs6000/rs6000.c (altivec_frame_fixup): Remove.
        (rs6000_emit_prologue): Use rs6000_frame_related instead.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Define __ev64_*64__ to use single element
        vectors.
        (__ev_convert_u64): Remove macro.  Define as inline.
        (__ev_convert_s64): Same.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (DWARF_FRAME_REGISTERS): Define.
        (rs6000_stack_t): Add spe_64bit_regs_used.

        * config/rs6000/rs6000.c (rs6000_stack_info): Calculate
        spe_64bit_regs_used, and use it to determine the size of the
        frame.
        (spe_func_has_64bit_regs_p): New.
        (spe_synthesize_frame_save): New.
        (rs6000_frame_related): Handle SPE synthetic registers.
        (rs6000_emit_prologue): Only save in 64-bits if the function used
        any registers in 64-bit mode.
        (rs6000_emit_epilogue): Same, but for restore.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (enum floating_point_type): Delete.  Replace with...
        (enum fputype): ... new.
        (FPUTYPE_DEFAULT): Renamed from FP_DEFAULT.  Values reworked.
        * linux-elf.h (FPUTYPE_DEFAULT): Likewise.
        * arm.md (attr fpu): Reworked for new underlying enum values.
        * arm.c (arm_fpu_arch): Now enum fputype.
        (arm_fpu_tune): Renamed from arm_fpu.  Now enum fputype.
        (arm_override_options, arm_output_epilogue, arm_expand_prologue):
        Update uses of arm_fpu_arch and arm_fpu_tune.

2003-03-10  Josef Zlomek  <zlomekj@suse.cz>

        * cfgcleanup.c (outgoing_edges_match): Compare the jump tables.
        (try_crossjump_to_edge): Replace refereces to one jump table by
        references to identical jump table.
        * loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label.
        (replace_label): Moved to rtlanal.c.
        (struct rtx_pair): Moved to rtl.h.
        * rtl.h (struct rtx_pair): Moved from loop.c.
        (replace_label): New extern function.
        (subrtx_p): New extern function.
        (tablejump_p): New extern function.
        * rtlanal.c (replace_label): Moved from loop.c.
        (subrtx_p_1): New static function.
        (subrtx_p): New function.
        (tablejump_p): New function.

2003-03-10  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_optimize_cfg): Fix thinko in previous patch.

        * cfgcleanup.c (merge_blocks): Return where to iterate next.
        (try_optimize_cfg): Use return value of merge_blocks

2003-03-10  Michael Matz  <matz@suse.de>

        * cfg.c (unchecked_make_edge): New.
        (cached_make_edge): Use it.
        * basic-block.h (unchecked_make_edge): Declare.
        * cfglayout.c (cfg_layout_duplicate_bb): Use it.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * fpa.md: New file.  Move all patterns relating to FPA co-processor
        to here...
        * arm.md: ... from here.
        (cirrus.md, fpa.md): Include at end of description.
        (divsf3, divdf3, modsf3, movdf3, sqrtsf2, sqrtdf2): New expands.
        (pic_load_addr_based): Remove register constraint from expander.
        (seq, sne, sgt, sle, slt, sge, sgeu, sleu, sgtu, sltu, sunordered)
        (sordered, sungt, sunle, sunge, sunlt): Likewise.
        (eh_epilogue, tablejump): Likewise.

2003-03-09  David Edelsohn  <edelsohn@gnu.org>
            Mostafa Hagog

        * config/rs6000/rs6000.md (movsi_update1): Add TARGET_UPDATE final
        condition.

2003-03-09  Neil Booth  <neil@daikokuya.co.uk>

        * config/frv/frv.h: Use TARGET_CPU_CPP_BUILTINS, not CPP_PREDEFINES.
        * config/ip2k/ip2k.h: Similarly.
        * config/m32r/m32r.h: Similarly.
        * config/m68hc11/m68hc11.h: Similarly.
        * config/mn10200/mn10200.h: Similarly.
        * config/mn10300/mn10300.h: Similarly.
        * config/pdp11/pdp11.h: Similarly.
        * config/v850/v850.h: Similarly.
        * config/rs6000/vxworks.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/v850/retms.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/mips/iris3.h: Remove #if 0 block.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * varasm.c (make_decl_one_only): Use declare_weak().

2003-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/9986
        * c-common.c (c_common_nodes_and_builtins): Initialize target builtins
        after the common builtins.
        * pa-hpux.h (DONT_HAVE_FPUTC_UNLOCKED): Define.
        * pa.c (TARGET_INIT_BUILTINS): Define.
        (pa_init_builtins): New function.

        * pa.md (call, call_value, sibcall, sibcall_value): When sufficient
        space has been allocated for the outgoing arguments, set the arg
        pointer for a call emitted after virtuals have been instantiated
        using the stack pointer offset, otherwise abort.

2003-03-09  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH): Revert.

2003-03-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (fix_truncsfsi2, fix_truncdfsi2, arm_fix_truncsfsi2)
        (arm_fix_truncdfsi2): Add missing fix in floating point mode before
        conversion to integer.
        * cirrus.md (cirrus_truncsfsi2, cirrus_truncdfsi2): Likewise.

2003-03-09  Roger Sayle  <roger@eyesopen.com>

        * builtins.def: Fix typo and improve grammar.
        * loop-unroll.c (decide_peel_completely): Tidy log message.

2003-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tstsi_upper_bit): New.
        (*iorsi3_e2f): Likewise.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_and_costs): Return the number of
        assembly instructions needed.
        (h8300_shift_costs): Likewise.

2003-03-09  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/aout.h (ENDFILE_SPEC): Undef.

        * optabs.c (gen_move_insn): Move logic for synthesizing MODE_CC
        moves from here ...
        * expr.c (emit_move_insn_1): ... to here.

        * config/cris/aout.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__AOUT__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        * config/cris/cris.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__ELF__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        (CPP_PREDEFINES): Don't define.  Move old definitions and...
        (CPP_SPEC): ...move -D__CRIS_ABI_version=2 to...
        (TARGET_CPU_CPP_BUILTINS): New macro.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Move constant
        definitions and the optional __PIC__, __pic__ and
        __NO_UNDERSCORES__ definitions to...
        (TARGET_OS_CPP_BUILTINS): New macro.

        * flags.h (flag_leading_underscore): Declare.

        * c-opts.c (c_common_post_options): On fopen failure, return
        false, not NULL.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris_abi_symbol.c: #include tconfig.h and tm.h, not
        config.h.
        * config/cris/cris.h (HAVE_GAS_HIDDEN): Don't define here.
        * config/cris/aout.h (HAVE_GAS_HIDDEN): Undef.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/sh/rtemself.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.
        * config/sh/rtems.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * c-common.h (c_common_init, c_common_post_options): Update.
        * c-objc-common.c (c_objc_common_init): Update for new prototype.
        * c-opts.c (saved_lineno): New.
        (c_common_post_options, c_common_init): Update prototypes,
        move call to cpp_read_main_file from latter to former.
        * c-tree.h (c_ojbc_common_init): Update.
        * langhooks-def.h (lhd_post_options): New.
        (LANG_HOOKS_INIT, LANG_HOOKS_POST_OPTIONS): Update.
        * langhooks.c (lhd_post_options): New.
        * langhooks.h (struct lang_hooks): Update post_options and init hooks.
        * toplev.c (no_backend): New.
        (process_options): Call post_options hook and set main_input_filename
        and input_filename here.
        (lang_dependent_init, do_compile): post_options hook moved to
        process_options.
        * objc/objc-act.c (objc_init): Update prototype.
        * objc/objc-act.h (objc_init): Update prototype.

2003-03-08  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): Don't attempt to load a part of
        a complex or vector type, using a load in the original mode.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o): Depend on gt-cgraph.h and varray.h.
        * gt-cgraph.h: New GC file.
        * cgraph.c (known_fns): New static variable.
        (cgraph_node): Add the decl into varray.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): Add missing alternatives.

2003-03-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (fpa_rhs_operand, fpa_add_operand, const_double_rtx_ok_for_fpa)
        (neg_const_double_ok_for_fpa, output_mov_long_double_fpa_from_arm)
        (output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm)
        (output_mov_double_arm_from_fpa): Renamed to use fpa instead of fpu.
        All callers changed.
        * arm.md, arm.h, arm-protos.h: Updated.

        * arm.h (enum reg_class FPA_REGS): Renamed from FPU_REGS.
        (CLASS_MAX_NREGS, REGISTER_MOVE_COST, REG_CLASS_FROM_LETTER): Updated.
        * arm.c (arm_regno_class, f_register_operand): Updated.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris.h: Remove EGCS references.
        (CPP_SPEC): Remove "-$".
        (INIT_CUMULATIVE_ARGS): Adjust parameter name to FNDECL.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Use in
        preference to CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * cppinit.c (cpp_finish_options): Set first_unused_line to -1.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_16_8): New.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * c-decl.c: (finish_function): Update call of tree_inlinable_function_p.
        * cgraph.h: (cgraph_local_info): Add can_inline_once
        (cgraph_global_info): Add inline_once.
        (cgraph_node): Add previous.
        (cgraph_remove_node): New.
        * cgraphunit.c (cgraph_mark_functions_to_inline_once): New static
        function.
        (cgraph_optimize): Call it.
        (cgraph_finalize_function):  Set inlinable flags.
        (cgraph_finalize_compilation_unit):  Actually remove the reclaimed nodes.
        (cgraph_mark_functions_to_output):  Use new inlining heuristics flags.
        (cgraph_expand_function): Likewise.
        * cgraph.c
        (cgraph_node): Put nodes into doubly linked chain.
        (cgraph_remove_node): New function.
        * flags.h (flag_inline_functions_called_once): Declare.
        * tree-inline.c: Include cgraph.h
        (inlinable_functions_p): Add extra argument to bypass limits.
        (expand_call_inline):  Obey cgraph flag.
        * tree-inline.h (tree_inlinable_function_p): Update prototype.

2003-03-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcse.c (bypass_block, bypass_conditional_jumps): Do not create
        irreducible loops.

        * loop-unroll.c (unroll_loop_runtime_iterations): Update irreducible
        loops info correctly.

2003-03-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/7796
        * unroll.c (calculate_giv_inc): Handle constants being
        loaded with LSHIFTRT.

2003-03-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Do not disable
        GP optional instructions on Power3, Power4, 620, and 630.

2003-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Fix comment formatting.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * combine.c: Likewise.
        * dwarf2out.c: Likewise.
        * ggc-common.c: Likewise.
        * langhooks.c: Likewise.
        * loop-unroll.c: Likewise.
        * loop.c: Likewise.
        * ra-build.c: Likewise.
        * sbitmap.c: Likewise.
        * toplev.c: Likewise.

2003-03-07  James E Wilson  <wilson@tuliptree.org>

        * config/sh/sh.h (HARD_REGNO_NREGS): Round up the XD register count.

2003-03-07  Geoffrey Keating  <geoffk@apple.com>

        * objc/lang-specs.h (objective-c-header): Use .gch not .pch;
        support -no-integrated-cpp.

        * c-pch.c (get_ident): Use c_language_kind and flag_objc rather
        than langhooks.name.

2003-03-07  Michael Matz  <matz@suse.de>

        * df.h (enum df_ref_flags.DF_REF_STRIPPED): New.
        (DF_FOR_REGALLOC): New.
        * df.c (df_ref_record): Set DF_REF_STRIPPED.
        (read_modify_subreg_p): Simplify.
        (df_def_record_1, df_uses_record): Set DF_REF_MODE_CHANGE more often.
        Use DF_FOR_REGALLOC.
        * ra.h (struct web): New member subreg_stripped.
        (invalid_mode_change_regs): Declare.
        * ra.c (invalid_mode_change_regs): New.
        (init_ra): Initialize it.
        * ra-build.c (init_one_web_common, remember_web_was_spilled): Use it.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.
        (reinit_one_web, parts_to_web_1): Deal with subreg_stripped.
        * ra-colorize.c (colorize_one_web): Use invalid_mode_change_regs.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.

2003-03-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, negsf2)
        (negdf2, abssi2, abssf2, absdf2, floatsisf2, floatsidf2)
        (fix_truncsfsi2, fix_truncdfsi2, truncdfsf2): Moved back into main
        machine description file from ...
        * cirrus.md: ... here.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Don't use
        reg_overlap_mentioned_p.

2003-03-06  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c: Include langhooks.h.
        (IDENT_LENGTH): New.
        (get_ident): New.
        (pch_ident): Delete.
        (pch_init): Use get_ident, IDENT_LENGTH.
        (c_common_valid_pch): Likewise.  Also, use actual language
        in warning message.
        * Makefile.in (c-pch.o): Add langhooks.h to dependencies.

        * objc/config-lang.in (gtfiles): Add objc-act.c.  Remove duplicate
        c-parse.in.
        * objc/Make-lang.in (objc/objc-act.o): Add dependency on
        gt-objc-objc-act.h.
        (gt-objc-objc-act.h): New rule.
        * objc/lang-specs.h: Support PCH.
        * objc/objc-act.c: Include gt-objc-objc-act.h.
        (objc_add_static_instance): Move num_static_inst out, mark for PCH.
        (build_selector_reference_decl): Move idx out, mark for PCH.
        (build_class_reference_decl): Likewise.
        (build_objc_string_decl): Move *_idx out, mark for PCH.
        (build_tmp_function_decl): Move xxx out, mark for PCH.

2003-03-06  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_binds_local_p):  Consider
        global functions for inlining on Darwin.

2003-03-06  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Don't call reorder when sorting
        is prohibited.

2003-03-06  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (c-ppoutput.o): Update.
        * c-common.h (init_pp_output): New.
        (preprocess_file): Update.
        * c-lex.c (init_c_lex): Move mbchar initialization to cpplib.
        Register builtins.
        * c-opts.c (c_common_init): Call init_pp_output if preprocessing.
        Make call to cpp_read_main_file common to whether preprocessing
        or not.  Don't register builtins.
        * c-ppoutput.c: Include c-pragma.h.
        (setup_callbacks): Rename init_pp_output.
        (preprocess_file): No longer setup callbacks or call
        cpp_read_main_file.
        * cpphash.h (_cpp_init_mbchar): New.
        * cppinit.c (init_library): Call _cpp_init_mbchar.
        * cpplex.c (_cpp_init_mbchar): New.

2003-03-06  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): When requesting the low-part of a
        MEM, try loading the MEM into a register and taking the low-part
        of that, to help CSE see the use of the MEM in its true mode.

2003-03-05  Tom Tromey  <tromey@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH):
        Define.

2003-03-05  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/stormy16/stormy16.md ("*eqbranchsi"): Remove '+' on
        operand 2.
        ("*ineqbranchsi"): Likewise.

2003-03-05  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_prologue): Delete
        mem_fake_push_rtx.  Instead construct a SEQUENCE to show the
        register store followed by a stack increment.

2003-03-05  Chris Moller  <cmoller@redhat.com>

        * config/stormy16/stormy16.c (REG_NEEDS_SAVE): added a term
        to inhibit saving CARRY_REGS.

        * config/stormy16/stormy16.c (xs_hi_general_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for movhi.
        * config/stormy16/stormy16.md (movhi): use
        xs_hi_general_operand.

        * config/stormy16/stormy16.c (xstormy16_expand_prologue):
        added a check for local vbl size overflow.
        * config/stormy16/stormy16.c (xs_hi_nonmemory_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for addhi and subhi.
        * config/stormy16/stormy16.md (addhi3, addchi4, addchi5,
        subhi3, subchi4, subchi5): used xs_hi_nonmemory_operand.

        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        add a term to accept PRE_MODIFY addresses.
        * config/stormy16/stormy16.c (xstormy16_expand_move):
        add code to expand PRE_MODIFY addresses to an add followed
        by a move.

2003-03-06  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (inlinable_function_p): Revert earlier change
        pending investigation.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a new peephole2): New.

2003-03-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node): Do not confuse nested functions and methods.

2003-03-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (size_of_die): Compute size of external reference to
        die correctly.

2003-03-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): New pattern.
        ("movcc", "movcc_uns", "movcc_fp", "movcc_fpeq", "movcc_fun"): New
        expanders.

2003-03-05  Roger Sayle  <roger@eyesopen.com>

        * expr.h (lang_expand_expr): Delete obsolete prototype.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_highpart_mode): Fix a comment typo.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Generalize to
        accept a memory operand.

2003-03-05  Olivier Hainque <hainque@act-europe.fr>

        * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '+'.
        * config/alpha/alpha.c (print_operand, case '+'): New.
        * config/alpha/alpha.md (call_osf_1_noreturn): Document and use.
        (call_value_osf_1_noreturn): Likewise.

2003-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stmt.c (fixup_gotos): Change meaning of DONT_JUMP_IN.
        (expand_end_bindings): Likewise.

2003-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (return_external_pic): Add !TARGET_PA_20 to constraint.
        (epilogue): Don't generate return_external_pic when emitting PA 2.0
        code.

2003-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document TARGET_DWARF_REGISTER_SPAN.

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): New.

        * hooks.c (hook_rtx_rtx_null): New.

        * hooks.h (hook_rtx_rtx_null): Protoize.

        * target-def.h (TARGET_DWARF_REGISTER_SPAN): New macro.
        (TARGET_INITIALIZER): Add TARGET_DWARF_REGISTER_SPAN.

        * target.h (struct gcc_target): Add dwarf_register_span.

        * dwarf2out.c (multiple_reg_loc_descriptor): New.
        (one_reg_loc_descriptor): New.
        (reg_loc_descriptor): Add support for values that span more than
        one register.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h
        * alias.c:  Include cgraph.h
        (mark_constant_function): Use cgraph_rtl_info.
        * calls.c:  Include cgraph.h
        (flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const
        calls.
        (expand_call): Use cgraph_rtl_info to set preferred stack boundary.
        * cgraph.c (cgraph_rtl_info): New function.
        * cgraph.h (cgraph_rtl_info): Declare
        (cgraph_rtl_info): Likewise.
        * function.h (struct function): Add recursive_call_emit.
        * toplev.c: Include cgraph.h.
        (rest_of_compilation): Set preferred_incoming_stack_boundary.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_simode_bld): Clear the
        destination first if possible.
        * config/h8300/h8300.md (extzv_1_r_h8300hs): Add an
        alternative.
        (extzv_1_r_inv_h8300hs): Likewise.

2003-03-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
        * cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
        * cfgloop.c (flow_loop_free): Made global.
        (establish_preds): New static function.
        (flow_loop_tree_node_add): Handle subloops of added loop correctly.
        (get_loop_exit_edges): New.
        (verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
        * cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
        * cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
        loops.
        * cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
        removability of an edge.
        (fix_irreducible_loops): New static function.
        (find_path, remove_path): Add ability to remove enclosing loops.
        (unloop): New.
        (copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
        flags.
        * cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
        * loop-unroll.c (peel_loops_completely): Do not duplicate loop if
        not neccessary.
        (decide_peel_completely, peel_loops_completely): Allow complete peeling
        of non-duplicable once rolling loops.
        * loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.

2003-03-05  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, the minimum value
        for align_jumps is 4.

        (SECONDARY_INPUT_RELOAD_CLASS): If reloading a PLUS into FPUL,
        use GENERAL_REGS.

2003-03-05  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (PAD_VARARGS_DOWN): Define and return
        according to va_arg type.
        (EXPAND_BUILTIN_VA_ARG): Remove.
        * config/m68hc11/m68hc11.c (m68hc11_va_arg): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_va_arg): Remove.

2003-03-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_variable_issue): Remove unnecessary
        else clauses.

2003-03-05  Michael Matz  <matz@suse.de>

        * i386/i386.c (ix86_save_reg): Also test
        current_function_uses_const_pool.

2003-03-05  Michael Matz  <matz@suse.de>

        * unwind.h: Add the GPL exception.
        * Makefile.in (USER_H): Add unwind.h.

2003-03-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9799
        * c-typeck.c (push_init_level): Add sanity check.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Deffer RTL compilation only when
        RTL inlining is done.

        * cgraphunit.c (cgraph_mark_local_functions): New local function.
        (cgraph_optimize): Mark local functions.
        * i386-protos.h (init_cumulative_args): Update prototype.
        * i386.c (init_cumulative_args): Use register passing convention for
        local functions.

        * cgraph.c (cgraph_global_info_ready): New global variable
        (cgraph_local_info, cgraph_global_info): New functions.
        * cgraph.h (struct cgraph_local_info, cgraph_global_info): New
        structures.
        (cgraph_local_info, cgraph_global_info, cgraph_global_info_ready):
        Declare.
        * cgraphunit.c (cgraph_finalize_function): Set inline_many.
        (cgraph_mark_functions_to_output): Use inline_many.
        (cgraph_expand_function): Free DECL_SAVED_TREE uncondtionally.
        (cgraph_expand_functions): Expand inline functions last.
        (cgraph_optimize): Do not emit uneeded functions.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (convert_modes): Check for legal hard register.

2003-03-04  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi (Front End Directory): Document tags.
        * configure: Rebuilt.
        * configure.in (target_list): Added tags.
        * Makefile.in (TAGS): Depend on lang.clean.  Include subdirectory
        TAGS files by reference.
        * objc/Make-lang.in (objc.tags): New target.

2003-03-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-io.h (gcov_save_position, gcov_reserve_length, gcov_resync,
        gcov_skip, gcov_skip_string, gcov_write_unsigned, gcov_write_counter,
        gcov_write_string, gcov_read_unsigned, gcov_read_counter,
        gcov_read_string, gcov_write_length): Modified to enable reading/
        writing of whole .da file just once.
        (da_file_open, da_file_close, da_file_eof, da_file_error,
        da_file_position, da_file_seek, da_file_write, da_file_read): New
        functions.
        (actual_da_file, actual_da_file_position, actual_da_file_length,
        actual_da_file_buffer, actual_da_file_buffer_size): New static
        functions.
        * libgcov.c (gcov_exit): Modified to read/write the whole .da file at
        just once.


2003-03-04  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (m68k_output_function_prologue): Fix CFA
        offset without frame pointer.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_expr): Call promote_mode to set unsignedp.

2003-03-04  Daniel Jacobowitz  <drow@mvista.com>

        * configure.in: Don't always define TARGET_SYSTEM_ROOT.
        * configure: Regenerated.
        * gcc.c: Check whether TARGET_SYSTEM_ROOT is defined.

2003-03-04  Andreas Jaeger  <aj@suse.de>

        * configure.in: Check for <memcheck.h>.
        * configure: Regenerated.

        * config.in: Define HAVE_MEMCHECK_H.

        * ggc-common.c: Use <memcheck.h> if available instead of
        <valgrind.h>.
        * ggc-page.c: Likewise.
        * cppfiles.c: Likewise.

2003-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Fix cc and lengths.

2003-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9262
        * c-typeck.c (do_case): Attach the first case label to the SWITCH_BODY.
        (c_finish_case): Rechain the next statements to the SWITCH_STMT.

2003-03-04  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi:  Document that unit-at-a-time is enabled for -O3
        * toplev.c (parse_options_and_default_flags): Enable flag_unit_at_a_time
        for -O3.

2003-03-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Delete three unused variables.  Move a variable
        definition closer to its use.  Simplify use_collect2 logic.  Start to
        organize.  Simplify tests for in-tree gas and ld.
        * configure: Regenerate.

2003-03-04  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes): New.
        * c-common.h (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes, preprocess_file): New.
        (init_c_lex): Update prototype.
        * c-lex.c (init_c_lex): Update prototype; move some code to
        c_common_init.
        * c-opts.c (preprocess_file): Subsume into c_common_init.
        (c_common_decode_option): Update flags.
        (c_common_init): Move code from preprocess_file and init_c_lex.
        (sanitize_cpp_opts): Update.
        * c-ppoutput.c: New, cppmain.c almost verbatim.
        * cpphash.h (struct printer): Remove.
        (struct cpp_reader): Remove print.
        * cpplib.h (dump_none, dump_only, dump_names, dump_definitions,
        cpp_preprocess_file): Remove.
        (struct cpp_options): Remove no_output, no_line_commands, dump_macros
        and dump_includes.
        * cppmain.c: Remove.
        * doc/passes.texi: Update.

2003-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * function.c (STACK_ALIGNMENT_NEEDED): New macro.  Default to 1.
        (assign_stack_local_1): Perform overall stack alignment only when
        STACK_ALIGNMENT_NEEDED is non-zero.
        * doc/tm.texi (STACK_ALIGNMENT_NEEDED): Document.

        * pa.c (compute_frame_size): Rename fsize to size.  Account for
        alignment to a word boundary before general register save block.  Only
        account for double-word alignment before floating point register save
        block if one or more are saved.  Don't allocate space for %r3 when
        frame pointer is needed.
        (hppa_expand_prologue): Include alignment to word boundary in local
        frame size.
        * pa.h (STARTING_FRAME_OFFSET): Define to 8 on both 32 and 64-bit ports.
        (STACK_ALIGNMENT_NEEDED): Define.

2003-03-04  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (rtl_for_decl_location): Don't return NULL_RTX for
        global register variables.

2003-03-04  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (reload_adjust_reg_for_mode): New function.
        (subst_reloads): Call it.
        (operands_match_p): Adjust registers using HARD_REGNO_NREGS.
        * reload.h (reload_adjust_reg_for_mode): Declare.
        * reload1.c (emit_input_reload_insns, emit_output_reload_insns):
        Call it.

2003-03-03  James E Wilson  <wilson@tuliptree.org>

        * optabs.c (add_equal_note): Delete SUBREG_REG use.
        Fixes PR c/7872.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_ashift_16): New.
        (*ixorsi3_lshiftrt_16): New.
        (*iorsi3_ashift_16): Remove.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the
        pattern.

2003-03-03  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update entry for powerpc-darwin.

2003-03-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (HAVE_AS_LTOFFX_LDXMOV_RELOCS): Default to 0.

2003-03-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_multipass_dfa_lookahead): Delete.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Delete.
        (rs6000_variable_issue): Do not return negative value.
        (rs6000_issue_rate): Uniformly set issue rate to 1 for first
        scheduling pass.

2003-03-03  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (dwarf2out_finish): Swap order of break_out_includes and
        prune_unused_types calls.

2003-03-03  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (find_builtin_longjmp_call): Save and restore
        lineno and input_filename.
        (find_alloca_call): Likewise.
        (inlinable_function_p): Run the langhook earlier.

        * calls.c (compute_argument_addresses): Give the new MEMs a
        minimum alignment of PARM_BOUNDARY.

2003-03-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config/sh/sh.h (EXTRA_SPECS): Add subtarget_asm_relax_spec and
        subtarget_asm_isa_spec.
        (SUBTARGET_ASM_RELAX_SPEC, SUBTARGET_ASM_ISA_SPEC): Define.
        (ASM_SPEC): Define as SH_ASM_SPEC.
        (SH_ASM_SPEC): New; take the role of ASM_SPEC, but safe from svr4.h.
        Use subtarget_asm_relax_spec and subtarget_asm_isa_spec.
        * config/sh/elf.h (ASM_SPEC): Use SH_ASM_SPEC.
        (SUBTARGET_ASM_ISA_SPEC): Undef / define.

        * sh.h (OVERRIDE_OPTIONS): Set default values for align_loops
        and align_jumps if not set.
        Force align_jumps to be at least 2.
        When relaxing, force align_functions to be at least the maximum of
        align_loops, align_jumps and 4.
        * sh.c (find_barrier, barrier_align): Honour align_jumps_log.
        (sh_loop_align): Honour align_loops_log.

        * sh.md (length attribute): Use prev_nonnote_insn instead of PREV_INSN
        to check for indirect_jump_scratch.
        (indirect_jump_scratch): Add second set.
        * sh.c (output_far_jump): Use prev_nonnote_insn instead of PREV_INSN
        when looking for indirect_jump_scratch.
        Extract scratch register taking new structure of indirect_jump_scratch
        into account.
        (gen_block_redirect): Set INSN_SCOPE for indirect_jump_scratch.

2003-03-03  Jan Hubicka  <jh@suse.cz>

        * calls.c (rtx_for_function_call): Take the address as an argument
        (expand_call): Do not modify the expression.

        * toplev.c (rest_of_compilation):  Avoid cfg_cleanup calls when not
        optimizing.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_zext_hi): Restrict to
        TARGET_H8300H and TARGET_H8300S.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use shorter code when
        operands[0] and operands[1] are different.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Remove variable success.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-common.c (ggc_rlimit_bound): Cast RLIM_INFINITY to avoid
        warnings.

2003-03-02  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test.
        * config.in, configure: Rebuild.
        * config/ia64/ia64.c (ia64_ld_address_bypass_p): Accept lo_sum.
        * config/ia64/ia64.md (load_symptr): Use high/lo_sum for the
        paired ldtoffx and ldxmov annotations.
        (load_symptr_internal1): Remove.
        (load_symptr_high, load_symptr_low): New.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (add_path): Fix sysp assignment.

2003-03-02  Kurt Garloff  <garloff@suse.de>

        * params.def: Introduce parameter max-inline-insns-rtl for
        a separate limit for the RTL inliner.
        * params.h: Likewise.
        * integrate.c (function_cannot_inline_p): Use it.
        * toplev.c (decode_f_option): Set multiple parameters
        controlling inlining with -finline-limit.
        * params.def: Fix orthographic and typographic errors.
        * doc/invoke.texi: Document parameters controlling inlining
        and the way -finline-limit sets multiple of them.

        * tree.h (struct tree_decl): Introduce inlined_function_flag,
        recording whether the function became eligible for inlining
        by a compiler flag rather than the declaration.
        Provide DID_INLINE_FUNC macro to access it.
        * c-decl.c (grokdeclarator): Set DID_INLINE_FUNC.
        * cp/decl.c (grokfndecl): Likewise.
        * toplev.c (rest_of_compilation): Likewise.
        * cp/optimize (maybe_clone_body): Copy DID_INLINE_FUNC.
        * print-tree.c (print_node): Report it.
        * params.def: Introduce new max-inline-insns-auto limit.
        * params.h: Likewise.
        * tree-inline.c (inlinable_function_p): Apply it to functions
        with DID_INLINE_FUNC set.
        * toplev.c (decode_f_option): Initialize it from -finline-limit
        value.
        * doc/invoke.texi: Document new parameter.

2003-03-02  Geoffrey Keating  <geoffk@apple.com>

        * fix-header.c (read_scan_file): Don't reference simplify_path.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't enable
        min/max instructions by default as may result in reload errors.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("mulqi3"): Allow address register to
        avoid reload problems; define split for it.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_shift_operator): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_shift_operator): Declare.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register.
        * config/m68hc11/m68hc11.md ("rotrhi3", "rotlhi3"): New patterns for
        rotatert and rotate.
        ("rotrhi3_const", "rotlhi3_const"): Rename of old 'rotrhi3' insns.
        ("*rotrhi3", "*rotlhi3"): New insn pattern for non-const rotatert.
        ("*rotrhi3_addr"): New split for shift insns on address register.
        ("*lshrhi3", "*ashrhi3", "*ashlhi3_2"): Use new split.
        * config/m68hc11/larith.asm (___rotlhi3): New asm function.
        (___rotrhi3): Likewise.
        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Build them.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (aux_base_name): Moved from toplev.h.
        (filename): Constify.
        (lang_dependent_init): Don't duplicate name.
        (process_options): Set aux_base_name here, not...
        (do_compile): ...here.  Change protoype.
        (toplev_main): Move some code from do_compile.
        * toplev.h: Remove aux_base_name.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        iorxor_operator.
        * config/h8300/h8300.c (print_operand): Handle 'c'.
        (iorxor_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add iorxor_operator.
        * config/h8300/h8300.md (*iorhi3_zext): Remove.
        (*iorsi3_zexthi): Likewise.
        (*iorsi3_zextsi): Likewise.
        (*xorhi3_zextqi): Likewise.
        (*xorsi3_zexthi): Likewise.
        (*xorsi3_zextsi): Likewise.
        (*ixorhi3_zext): New.
        (*ixorsi3_zext_qi): Likewise.
        (*ixorsi3_zext_hi): Likewise.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (remove_component_p, simplify_path): Move back to
        cppfiles.c.
        (remove_duplicates): Use cpp_simplify_path.
        * c-incpath.h (simplify_path): Remove.
        * c-lex.c: Don't include c-incpath.h.
        (init_c_lex): Remove simplify_path.
        * cppfiles.c (remove_component_p, cpp_simplify_path): Restore.
        (find_or_create_entry, validate_pch): Revert.

2003-03-02  Ashif Harji  <asharji@uwaterloo.ca>

        * gcc.c (default_compilers): Add -no-integrated-cpp flag to invoke
          an external cpp during compilation.
        (option_map): Likewise.
        * objc/lang-specs.h (default_compilers): Similarly.
        * doc/invoke.texi: Document -no-integrated-cpp flag.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (zero_extendqisi2): Change to an
        expander.
        (*zero_extendqisi2_h8300): New.
        (*zero_extendqisi2_h8300hs): New.
        (two splitters): New.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fp-bit.h (float_to_usi): Fix condition wrapping prototype.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Remove dead code.

2003-03-01  Roger Sayle  <roger@eyesopen.com>

        PR c++/9367
        * builtin-types.def (DEF_FUNCTION_TYPE_VAR_3): New macro.
        (BT_FN_INT_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VAR,
        BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VAR): New built-in types.
        * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2,
        ATTR_NONNULL_3): Also include the nothrow attribute.
        (sprintf, scanf, sscanf, vprintf, vsprintf, snprintf,
        vsnprintf, vscanf, vsscanf): Don't define attributes here.
        * builtins.def (putchar, puts): Make full C89 built-ins.
        (snprintf, sprintf, scanf, sscanf, vprintf, vscanf,
        vsscanf, vsnprintf, vsprintf): New built-ins.
        * c-common.c (c_common_nodes_and_builtins): Handle new macro
        DEF_FUNCTION_TYPE_VAR_3.

        * doc/extend.texi: Document these new built-in functions.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Correctly set
        real_values_initialized after initialization.

2003-03-01  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (C_AND_OBJC_OBJS, c-incpath.o, c-lex.o, LIBCPP_OBJS,
        cppinit.o, cppdefault.o, fix-header): Update.
        * c-incpath.c: New file.
        * c-incpath.h: New file.
        * c-lex.c: Include c-incpath.h.
        (init_c_lex): Register path simplifier.
        * c-opts.c: Include cppdefault.h and c-incpath.h.
        (TARGET_SYSTEM_ROOT, verbose, iprefix, sysroot, std_inc,
        std_cxx_inc, quote_chain_split, add_prefixed_path): New.
        (COMMAND_LINE_OPTIONS): Add more options from cpplib.
        (missing_arg, c_common_decode_option): Handle them.
        (c_common_post_options): Register include chains.
        (print_help): Update.
        * cppdefault.h (struct default include): Update.
        Move some macros to ...
        * cppdefault.c: ... here.
        (cpp_include_defaults): Add extra field add_sysroot.
        * cppfiles.c (include_file, search_from, find_or_create_entry,
        cpp_included, find_include_file, remap_filename): Update for
        renaming of search_path to cpp_path, and of the chain headers.
        (remove_component_p, _cpp_simplify_pathname): Move to c-incpath.c.
        * cpphash.h (struct search_path): Move to cpplib.h.
        (struct cpp_buffer, struct cpp_reader): Update.
        (_cpp_simplify_pathname): Remove.
        * cppinit.c: Don't include prefix.h and cppdefault.h.
        (INO_T_EQ, INO_T_COPY, path_include, append_include_chain,
        remove_dup_dir, remove_dup_nonsys_dirs, remove_dup_dirs,
        init_standard_includes, BRACKET, SYSTEM, AFTER, no_dir,
        no_pth, cpp_handle_options): Remove.
        (struct pending_option): Remove chain members.
        (cpp_destroy, cpp_read_main_file, COMMAND_LINE_OPTIONS,
        cpp_handle_option): Update.
        * cpplib.h (struct cpp_path, cpp_set_include_chains): New.
        (struct cpp_options): Remove quote_include, bracket_include,
        include_prefix, include_prefix_len, verbose, ignore_srcdir,
        no_standard_includes, no_standard_cplusplus_includes.
        (struct cpp_callbacks): Add simplify_path.
        (cpp_handle_options): Remove.
        * fix-header.c: Include c-incpath.h.
        (read_scan_file): Update to use c-incpath functionality.
        * doc/passes.texi: Update.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (bit_operand): Accept MEM only if it
        satisfies EXTRA_CONSTRAINT 'U'.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Take a scratch
        register.
        (*tst_extzv_memqi_1_n): Change to a splitter.
        (a peephole2): Update.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Initialize the sreal
        constants once per compilation.

2003-02-28  Richard Henderson  <rth@redhat.com>

        * toplev.c (flag_eliminate_unused_debug_types): Enable by default.

2003-02-28  scott snyder  <snyder@fnal.gov>

        * flags.h: Add flag_eliminate_unused_debug_types.
        * toplev.c: Add flag_eliminate_unused_debug_types.
        (f_options): Add -feliminate-unused-debug-types.
        * dwarf2out.c (struct file_table): Add emitted member.
        (splice_child_die): Fix the parent pointer for the child being
        spliced.
        (lookup_filename): Maintain file_table.emitted array.  Don't
        output .file directive here.
        (maybe_emit_file): (new)
        (init_file_table): Set up file_table.emitted.
        (dwarf2out_source_line): Use maybe_emit_file.
        (dwarf2out_start_source_file): Use maybe_emit_file.
        (dwarf2out_init): Use maybe_emit_file.
        (prune_unused_types_walk_attribs): (new)
        (prune_unused_types_mark): (new)
        (prune_unused_types_walk): (new)
        (prune_unused_types_prune): (new)
        (prune_unused_types): (new)
        (dwarf2out_finish): Call prune_unused_types if
        flag_eliminate_unused_debug_types is set.
        * doc/invoke.texi (Option Summary): Add
        -feliminate-unused-debug-types.
        (Debugging Options): Likewise.

2003-02-28  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi: Change .pch to .gch.
        * cppfiles.c (open_file_pch): Likewise.
        * gcc.c (default_compilers): Likewise.

2003-02-28  Aldy Hernandez  <aldyh@redhat.com>

        * floatlib.c: Remove.

2003-02-28  Jason Merrill  <jason@redhat.com>

        * stor-layout.c (variable_size): Leave a "minus 1" outside the
        SAVE_EXPR.

2003-02-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Add compare bypass.

2003-02-28  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h: Update copyright years.
        (NETBSD_CPP_SPEC): Define _REENTRANT and _PTHREADS if
        -pthread is specified on the command line.

2003-02-28  Dale Johannesen <dalej@apple.com>

        * loop.c (struct movable): Add insert_temp, shrink savemode.
        (scan_loop): Accept invariants that require copying; mark as
        insert_temp.
        (combine_movables): Don't combine insert_temp movables.
        (move_movables): Insert copies for insert_temp movables.
        Don't record the info based on regno for insert_temp's.

2003-02-28  Joel Sherrill <joel@OARcorp.com>

        PR 9638/other
        * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Ensure the
        this constant defaults to 1.

2003-02-28  Bob Wilson  <bob.wilson@acm.org>

        * config.gcc (xtensa-*-linux*): Add t-slibgcc-elf-ver to tmake_file.

2003-02-28  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (mulhisi3, mulhisi3addsi, mulhidi3adddi): Enable for any
        ARMv5e processor, not just for XScale.  Instructions are predicable.
        (mulhisi3tb, mulhisi3bt, mulhisi3tt): New patterns for ARMv5e.

2003-02-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (note_invalid_constants): Change parameter type
        from bool to int.

2003-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Accept the
        test of bit 7.
        (*tst_extzv_memqi_1_n): Likewise.
        (a peephole2): New.

2003-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Wrap in
        #ifndef __mips16.

2003-02-28  Jan Hubicka  <jh@suse.cz>

        * combine.c (gen_lowpart_for_combine): Update handling of
        subregs_of_mode
        * flow.c (life_analysis, mark_used_regs): Likewise.
        * regclass.c (subregs_of_mode): Turn into single bitmap.
        (cannot_change-mode_set_regs, invalid_mode_change_p): Update
        dealing with subregs_of_mode
        * regs.h (subregs_of_mode): Update prototype.

2003-02-28  Josef Zlomek  <zlomekj@suse.cz>

        * emit-rtl.c (set_reg_attrs_for_parm): New function.
        * rtl.h (set_reg_attrs_for_parm): New exported function.
        * function.c (assign_parms): Use set_reg_attrs_for_parm instead of
        set_reg_attrs_from_mem.

2003-02-27  Roger Sayle  <roger@eyesopen.com>
            Zack Weinberg <zack@codesourcery.com>

        * gcc.c (do_spec_1):  Treat %U like %u for unique associations.

2003-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (sext_for_mode): Remove.
        (reload_cse_move2add): Use trunc_int_for_mode instead of
        sext_for_mode.
        (move2add_note_store): Likewise.
        Reset register information if we see a set in non-integer
        mode.

2003-02-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (ASM_SPEC): Only emit -mppc64 if no -mcpu
        option.
        (ASM_CPU_SPEC): Use -m620 for Power3, Power4, 620, 630.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/aix52.h: Same.
        * config/rs6000/power4.md: Additional VMX bypasses.

2003-02-27   Geert Bosch <bosch@gnat.com>

        * toplev.c (print_version): Add indentation for GGC heuristics and
        output after printing version information.

2003-02-27  James E Wilson  <wilson@tuliptree.org>

        * combine.c (simplify_comparison): Require integral mode when
        permuting SUBREG with AND.

2003-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (STARTFILE_PREFIX_SPEC): Remove.

2003-02-27  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (extendsfdf2): Add pattern accidentally
        deleted when cirrus instructions were added.

2003-02-27  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (*-*-netbsd[2-9]*, *-*-netbsdelf[2-9]*): Enable
        POSIX thread support by default.

2003-02-27  Roger Sayle  <roger@eyesopen.com>

        * config/i386/cygwin.h: Don't include any other files directly.
        * config/i386/mingw32.h: Don't include cygwin.h directly.
        * config.gcc (cygwin, mingw32, uwin): Instead make these files
        explicit in the tm_files variable.

2003-02-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Add TI constant splitter.

2003-02-26  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (purge_builtin_constant_p): Handle subreg of
        constant_p_rtx too.

        * function.c (assign_stack_local_1): Truncate constant added to
        frame_pointer_rtx or virtual_stack_vars_rtx for Pmode.

2003-02-26  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc: Add power4 to PowerPC with_cpu list.

2003-02-26  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: (mark_referenced_methods): Fix compilation problem.

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-dump.c (print_prefix): Fix signedness warning.
        * gcov-io.h (struct counter_section, struct counter_section_data): New.
        (struct function_info): n_arc_counts field removed, n_counter_sections,
        counter_sections fields added.
        (struct gcov_info): arc_counts, n_arc_counts fields removed,
        n_counter_sections, counter_sections fields added.
        * libgcov.c (gcov_exit, __gcov_flush): Add support for multiple
        profile sections.
        * profile.h (MAX_COUNTER_SECTIONS): New.
        (struct section_info): New.
        (struct profile_info): count_instrumented_edges,
        count_edges_instrumented_now fields removed, n_sections, section_info
        fields added.
        (find_counters_section): Declare.
        * profile.c (struct function_list): count_edges field removed,
        n_counter_sections, counter_sections fields added.
        (set_purpose, label_for_tag, build_counter_section_fields,
        build_counter_section_value, build_counter_section_data_fields,
        build_counter_section_data_value, build_function_info_fields,
        build_function_info_value, build_gcov_info_fields,
        build_gcov_info_value): New static functions.
        (find_counters_section): New function.
        (instrument_edges, get_exec_counts, compute_branch_probabilities,
        branch_prob, create_profiler): Modified to support multiple profile
        sections.

2003-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (compute_frame_size): Don't assume PREFERRED_STACK_BOUNDARY
        is 8 * STACK_BOUNDARY.
        * pa.h (PREFERRED_STACK_BOUNDARY): Change to 128 on 64-bit port.

2003-02-26  Michael Matz  <matz@suse.de>

        * ra-colorize.c (merge_moves): Fix list handling.

2003-02-26  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (is_load_address): Rename to...
        (arm_memory_load_p) ... this and make it check for SUBREGs and
        constant loads that will be converted into loads from the
        minipool.
        (is_cirrus_insn): Rename to ...
        (arm_cirrus_insn_p): ... this, for consistency.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        (cirrus_reorg): Use renamed functions.
        (note_invalid_constants): Change from a void function to bool.
        Add an extra parameter, saying whether the fixups should be
        pushed.  Return true if fixups are needed.
        (arm_reorg): Use renamed functions.  Use INSN_P.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        * config/arm/arm.h (FLOAT_WORDS_BIG_ENDIAN): Mention that
        other floating point co-processors can also affect this.
        * config/arm/arm.md ("type" attribute): Add mav_farith and
        mav_dmult.  Replace references to "cirrus_type" attribute with
        "type".
        * config/arm/cirrus.md ("cirrus_fpu" attribute): Delete.
        ("cirrus_type" attribute): Delete - use "type" instead.
        ("cirrus" attribute): Replace 'no' with 'not' and 'yes' with
        'normal'.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: Include cgraph.h
        (mark_referenced_methods): New function.
        (objc_init): Call it.
        * objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set.

        * c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time
        mode.

        * optabs.c (expand_fix): Do not widen the input operand.

        * expr.c (emit_group_store):  Fix crash when converting single
        register into complex register.

        * Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h
        * alias.c: Include timevar.h
        (init_alias_analysis):  Set timevar
        * jump.c: Include timevar.h
        (rebuild_jump_labels):  Set timevar
        * regcalss.c: Include timevar.h
        (reg_scan):  Set timevar
        * timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.

        * Makefile.in (loop-unroll.o): New.
        * cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
        (unroll_and_peel_loops): Declare.
        * alias.c (init_alias_analysis): Flag_unroll_loops renamed to
        flag_old_unroll_loops.
        * loop.c (loop_invariant_p): Ditto.
        * unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
        flag_old_unroll_all_loops.
        * flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
        (flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
        * params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
        (PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
        PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
        PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
        PARAM_MAX_ONCE_PEELED_INSNS): New.
        * toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
        (flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
        instead of old one.
        (flag_peel_loops): New.
        (lang_independent_options): The new flags added.
        (rest_of_compilation): Call new unroller.
        (process_options): Setup flags for coexistence of old and new unroller.
        * doc/invoke.texi: Document new options.
        * doc/passes.texi: Document new unroller pass.

2003-02-26  David Billinghurst <David.Billinghurst@riotinto.com>

        * fixinc/fixincl.x: Regenerate

2003-02-26  Josef Zlomek  <zlomekj@suse.cz>

        * function.c (assign_parms): Set reg_attrs for parameters passed in
        registers.

2003-02-26  Alan Modra  <amodra@bigpond.net.au>

        PR target/9681
        * tlink.c (scan_linker_output): Drop leading '.' from symbol names.

2003-02-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (ASM_FILE_START): Do not emit machine
        pseudo-op.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * combine.c (combine_simplify_rtx, simplfy_comparison):  Use CC0_P.
        * cse.c (invalidate_skipped_set):  Likewise.
        * integrate.c (subst_constants):  Likewise.
        * jump.c (reversed_comparison_code_parts):  Likewise.
        * loop.c (canonicalize_condition):  Likewise.
        * simplify-rtx.c (simplify_relational_operation):  Likewise.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (DEF_LIB_ALWAYS_BUILTIN, DEF_UNUSED_BUILTIN): Delete.
        (abs, labs, fabs, fabsf, fabsl, abort, exit, _exit, _Exit):  Use
        the appropriate macro to define built-in function.
        (fmod,fmodf,fmodl): New built-in functions.

        * doc/extend.texi (fmod,fmodf,fmodl): Document new built-ins.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (function_arg): Pass variable sized
        structures correctly on the stack.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Use STRICT_LOW_PART if PLUS
        does not reduce the cost of SET.

2003-02-25  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR target/9732
        * config/rs6000/rs6000.c (first_reg_to_save): Handle
        PIC_OFFSET_TABLE_REGNUM for -fPIC too.
        (rs6000_emit_prologue): Likewise.
        (rs6000_emit_epilogue): Likewise.
        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Make
        PIC_OFFSET_TABLE_REGNUM a fixed register for -fPIC.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * real.c (real_to_integer2): Force overflow result only for
        unsigned overflow.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Revert the 2003-02-23 change.

2003-02-25  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-ebb.c (add_deps_for_risky_insns): Add the dependence when
        there is no similar load.

2003-02-25  Vladimir Makarov  <vmakarov@redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-int.h (INSN_TRAP_CLASS, WORST_CLASS): Move them from
        sched-rgn.c.
        (add_forward_dependence): New function prototype.

        * sched-rgn.c (INSN_TRAP_CLASS, WORST_CLASS): Move them to
        sched-init.h.
        (CONST_BASED_ADDRESS_P, may_trap_exp, haifa_classify_insn): Move
        them to haifa-sched.c.

        * haifa-sched.c (CONST_BASED_ADDRESS_P, may_trap_exp,
        haifa_classify_insn): Move them from sched-rgn.c.

        * sched-deps.c (add_dependence): Return flag of creating a new
        entry.
        (add_forward_dependence): New function.
        (compute_forward_dependences): Use the function.

        * sched-ebb.c (earliest_block_with_similiar_load): New function.
        (add_deps_for_risky_insns): New function.
        (schedule_ebb): Call the function.

2003-02-20  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document Rename TARGET_VECTOR_TYPES_COMPATIBLE to
        TARGET_VECTOR_OPAQUE_P.  Document accordingly.

        * testsuite/gcc.dg/20030218-1.c: Check that initialization of
        opaque types fail.

        * c-typeck.c (comptypes): Change call to vector_types_compatible
        to vector_opaque_p.
        (convert_for_assignment): Call vector_opaque_p instead of
        vector_types_compatible.
        (really_start_incremental_init): Disallow initialization of opaque
        types.

        * target-def.h: Remove TARGET_VECTOR_TYPES_COMPATIBLE.
        Define TARGET_VECTOR_OPAQUE_P.
        (TARGET_INITIALIZER): Same.

        * target.h (struct gcc_target): Remove vector_types_compatible.
        Add vector_opaque_p.

        * config/rs6000/rs6000.c (rs6000_spe_vector_types_compatible):
        Remove.
        (is_ev64_opaque_type): Check for TARGET_SPE and make sure type is
        a vector type.  Change return type to bool.
        (TARGET_VECTOR_TYPES_COMPATIBLE): Remove.
        (TARGET_VECTOR_OPAQUE_P): Define.

        * cp/parser.c (cp_parser_init_declarator): Call vector_opaque_p
        target hook.
        Include target.h.
        (cp_parser_init_declarator): Fix typo in function comments.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (lcm.o):  Add dependency on function.h
        * lcm.c (function.h): Include.
        * i386.c (machine_function, ix86_stack_locals,
        * ix86_save_varrargs_registers) : Move to
        ...
        * i386.h (machine_function, ix86_stack_locals,
        ix86_save_varrargs_registers): ... here; add optimize_mode_switching
        (ix86_optimize_mode_switching): New.
        * i386.md (fix patterns): Set ix86_optimize_mode_switching

2003-02-25  Nick Clifton  <nickc@redhat.com>

        * config/d30v/d30v.c (d30v_init_cumulative_args): Fix typo.  Name
        of fourth arg is 'fndecl' not 'indirect'.  Update comment
        describing the function's parameters.

2003-02-24  Jan Hubicka  <jh@suse.cz>

        * combine.c (simplify_shift_const):  Fix previous patch.

2003-02-24  Jeff Law  <law@redhat.com>

        * i386.md (testdi_1_rex64): Discourage reload from using the %eax
        alternative.
        (testsi_1, testhi_1, testqi_1): Likewise.

2003-02-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Rename
        __EXTERN_PREFIX to __PRAGMA_EXTERN_PREFIX.
        * doc/extend.texi (Tru64 Pragmas): Reflect this.

        * fixinc/inclhack.def (alpha___extern_prefix): Indicate #pragma
        extern_prefix support for Tru64 UNIX V5 <sys/stat.h>.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/stat.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        testcase.
        Fixes PR c/5059, c/6126, other/9671.

2003-02-24  Roger Sayle  <roger@eyesopen.com>

        * gcc.c (do_spec_1) ['{']:  Handle pending argument upon return
        from handle_braces in "%{...}".

2003-02-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (TARGET_HAVE_TLS): Conditionally define.
        (prepare_move_operands): Handle TLS operands.
        (tls_symbolic_operand): New.
        (nonpic_symbol_mentioned_p): Handle TLS UNSPECs.
        (legitimize_pic_address): Do nothing for the TLS symbol.
        (sh_encode_section_info): Handle TLS case.
        (sh_strip_name_encoding): Drop TLS encoding.
        * config/sh/sh-protos.h (tls_symbolic_operand): Add prototype.
        * config/sh/sh.h (SH_TLS_ENCODING): Define.
        (TLS_SYMNAME_P, STRIP_TLS_ENCODING): Likewise.
        (ASM_OUTPUT_LABELREF): Drop TLS encoding.
        (OUTPUT_ADDR_CONST_EXTRA): Handle TLS UNSPECs.
        * config/sh/sh.md: Define TLS UNSPEC constants.
        (type): Add tls_load.
        ("tls_global_dynamic", "tls_local_dynamic"): New insns.
        ("sym2DTPOFF", "symDTPOFF2reg", "sym2GOTTPOFF"): New expanders.
        ("tls_initial_exec"): New insn.
        ("sym2TPOFF", "symTPOFF2reg"): New expanders.
        ("load_gbr"): New insn.

        * configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases.
        * configure: Regenerate.

2003-02-24  Alan Modra  <amodra@bigpond.net.au>

        PR 9297, PR 9722
        * calls.c (store_one_arg): Revert 1999-02-16 change.  Revert
        2000-12-17 change.  Pass EXPAND_STACK_PARM to expand_expr.
        * expr.h (enum expand_modifier): Define EXPAND_STACK_PARM.
        (enum block_op_methods): Reorder for better store_expr optimization.
        * expr.c (store_expr): Test bit 1 of "want_value" for call param
        stores, test bit 0 for original want_value meaning.  Pass
        BLOCK_OP_CALL_PARM to emit_block_move when bit 1 set.  Adjust
        recursive calls, and calls to expand_param.
        (expand_expr): Handle EXPAND_STACK_PARM modifier.  When cse
        expected, set target to 0 rather than to subtarget.  Formatting.

2003-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Use the REG_EQUAL note if available.

2003-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/invoke.texi (ggc-min-expand, ggc-min-heapsize): Document
        new default behavior.
        * ggc-common.c: Include sys/resource.h.
        (ggc_rlimit_bound): New function.
        (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Update
        defaults to account for rlimits.

2003-02-22  Richard Henderson  <rth@redhat.com>

        * i386.c, i386.h (TUNEMASK): Rename from CPUMASK.

2003-02-22  Kelley Cook <kelley@dwhoops.info>

        * i386.h, i386.c, i386.md (ix86_tune): Rename from ix86_cpu.
        (ix86_tune_string): Rename from ix86_cpu_string.

2003-02-22  Kelley Cook <kelleycook@comcast.net>

        * config/i386/i386.c: Replace "mcpu" with "mtune".
        * config/i386/i386.h (TARGET_OPTIONS): Likewise.
        (CC1_CPU_SPEC): Likewise. New warning for "-mcpu".
        * doc/invoke.texi (i386 and x86-64 Options): Replace "mcpu"
        with "mtune".  Note that "mcpu" is a deprecated synonym for "mtune".

2003-02-23  Andreas Schwab  <schwab@suse.de>

        * config.gcc: Delete references to m68k/t-linux and
        m68k/t-linux-aout.
        * config/m68k/t-linux, config/m68k/t-linux-aout: Removed.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Apply fotgotten hunk
        of track scheduling patch.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * config/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Likewise

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (c_expand_body_1): Fix.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * expmed.c (expand_divmod): Undo sign extensions for unsigned operands

        * cfgcleanup.c (try_forward_edges):  Don't check loop structures
        when not optimizing.
        (cleanup_cfg): Do not iterate trought delete_trivially_dead_insns
        when not expensive.
        * toplev.c (rest_of_compilation):  Duplicate loop headers only when
        optimizing;  Delete trivially dead insns early; fix optimize check.

        * Makefile.in (c-decl.o, c-objc-common.o, cgraph.o, tree-inline.o): Add
        dependency on cgraph.h
        * c-decl.c: Include cgraph.h
        (finish_function): Update call of tree_inlinable_function_p.
        * c-objc-common.c: Include cgraph.h
        * cgraph.h: New file.
        * cgraphunit.c: New file.
        * cgraph.c (cgraph_node, cgraph_edge): Move into cgraph.h
        (cgraph_nodes, cgraph_n_nodes): Globalize.
        (cgraph_finalize_function, cgraph_finalize_compilation_unit
        cgraph_create_edges, cgraph_optimize, cgraph_mark_needed_node):
        Move into cgraphunit.c
        * tree-inline.c: Include cgraph.h
        * tree-inline.c: Include cgraph.h

2003-02-22  Josef Zlomek  <zlomekj@suse.cz>

        * config/i386/i386.md: Use gen_lowpart instead of gen_rtx_REG
        for copying a register.

2003-02-22  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR other/3782
        * toplev.c (process_options): If flag_detailed_statistics is set,
        then set time_report as well.

        PR c/8828
        * jump.c (never_reached_warning): Don't fall through BARRRIER
        insns.  Update comments to reflect what the function really does.

2003-02-21  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (omit_one_operand): No longer static.
        * tree.h (omit_one_operand): Prototype here.
        (div_and_round_double): Keep fold-const.c prototypes together.
        * builtins.c (builtin_mathfn_code): Handle binary built-in
        funtions, such as "pow" and "atan2".
        (fold_builtin): Optimize both pow(x,0.0) and pow(1.0,y) to 1.0.
        Simplify optimizations using "type" the builtin's return type.

2003-02-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_rtx_costs): Blockify dangling else.
        Fix functionalization typo.

        * regmove.c (optimize_reg_copy_1): Do not replace a hard register
        in an asm.

2003-02-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (ggc-common.o): Depend on $(PARAMS_H)
        * doc/invoke.texi (ggc-min-expand, ggc-min-heapsize): Update
        documentation.
        * ggc-common.c: Include params.h
        (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic,
        init_ggc_heuristics): New functions.
        * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic,
        init_ggc_heuristics): Prototype.
        * toplev.c (print_version):  Output GGC heuristics.
        (parse_options_and_default_flags): Call init_ggc_heuristics.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * i386.c (def_builtin):  Special case 64bit builtins.
        (MASK_SSE164, MASK_SSE264): New constants.
        (builtin_description): Add 64bit builtins.
        (ix86_init_mmx_sse_builtins): Likewise.
        * i386.h (enum ix86_builtins): Likewise.
        * i386.md (cvtss2siq, cvttss2siq, cvtsd2siq, cvttsd2siq, cvtsi2sdq,
        sse2_movq2dq_rex64, sse2_movsq2q_rex64): New.
        (sse2_movq2dq, sse2_movsq2q): Disable for 64bit.
        * mmintrin.h (_mm_cvtsi64x_si64, _mm_set_pi64x, _mm_cvtsi64_si64x): New.
        * xmmintrin.h (_mm_cvtss_si64x, _mm_cvttss_si64x, _mm_cvtsi64x_ss,
        _mm_set_epi64x, _mm_set1_epi64x, _mm_cvtsd_si64x, _mm_cvttsd_si64x,
        _mm_cvtsi64x_sd, _mm_cvtsi64x_si128, _mm_cvtsi128_si64x): New.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * i386.c (builtin_description): Add __builtin_ia32_paddq and
        __builtin_ia32_psubq. Fix __builtin_ia32_paddq128
         and __builtin_ia32_psubq128.
        * i386.h (IX86_BUILTIN_PADDQ, IX86_BUILTIN_PSUBQ): New.
        * i386.md (addv*, mmx_ior*, mmx_xoe*, mmx_and*): Add missing '%'.
        (mmx_adddi3, mmx_subdi3): New.
        * mmintrin.h (_mm_add_si64, _mm_sub_si64): New.
        * xmmintrin.h (_mm_movepi64_pi64): New.
        (_mm_add_epi64, _mm_sub_epi64): fix.
        (_mm_mul_pu16): Rename to...
        (_mm_mul_su32): ... this one.

        * builtins.c (expand_builtin_expect):  Do not predict
        flag_guess_branch_prob is not set.
        * c-semantics.c (expand_stmt): Likewise.
        * predict.c (predict_insn): Likewise.
        * stmt.c (expand_continue_loop): Likewise.
        * toplev.c (rest_of_compilation): Do not call
        note_prediction_to_br_prob and note_prediction_to_br_prob
        when not optimizing.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (commit_edge_insertions):  Call
        find_many_sub_basic_block only when some code has been emitted.
        (commit_edge_insertions_watch_calls): Bring into sync with
        commit_edge_insertions

2003-02-21  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (OVERRIDE_OPTIONS): Fix code that clears 'e' register class.

        * sh.md (binary_sf_op): Use extra constant operand instead of
        negating constant operand 4.
        * sh.c (sh_expand_binop_v2sf): Supply it.

2003-02-21  Zack Weinberg  <zack@codesourcery.com>

        * cpphash.h (struct lexer_state): Add directive_wants_padding.
        * cpplib.c (_cpp_handle_directive): Set directive_wants_padding
        for directives of type INCL.
        (glue_header_name, parse_include): Use get_token_no_padding.
        * cppmacro.c (replace_args): If directive_wants_padding,
        provide padding tokens.

2003-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (commit_one_edge_insertion): Only mark BB for splitting.
        (commit_edge_insertions): Call find_many_sub_basic_blocks

        * reg-stack.c (convert_regs): Cleax aux for blocks.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * toplev.c (parse_options_and_default_flags): Undo accidental commit.

2003-02-21  Glen Nakamura  <glen@imodulo.com>

        PR optimization/8613
        * builtins.c (expand_builtin): Emit postincrements before expanding
        builtin functions.

2003-02-21  Ben Elliston  <bje@redhat.com>

        PR other/5634
        * doc/install.texi (Configuration): Explain using $HOME instead of
        the ~ metacharacter when referring to home directories.

2003-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * configure.in (TARGET_SYSTEM_ROOT): Set default to
        ${exec_prefix}/${target_alias}/sys-root.  Match explicit
        '${exec_prefix}' (in addition to the expansion thereof) as
        relocatable.
        * configure: Rebuilt.

2003-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (addhi3_incdec): Change the name to
        *addhi3_incdec.
        (addsi3_incdec): Change the name to *addsi3_incdec.

2003-02-20  Roger Sayle  <roger@eyesopen.com>

        * explow.c (force_reg): Avoid useless REG_EQUAL notes.

2003-02-20  Toon Moene  <toon@moene.indiv.nluug.nl>

        PR fortran/9038
        * c-opts.c (sanitize_cpp_opts): Add Fortran front end
        options to be ignored.
        (c_common_decode_option): Ignore them when preprocessing.

2003-02-20  Jan Hubicka  <jh@suse.cz>

        * toplev.c (flag_sched2_use_superblocks, flag_sched2_use_traces): New
        global variables.
        (lang_independent_options):  Add -fsched2-use-superblocks
        -fsced2-use-traces.
        (rest_of_compilation): Deal with it.
        * invoke.texi (-fsched2-use-traces, fsched2-use-superblocks):  Declare.
        * flags.h (flag_sched2_use_superblocks, flag_sched2_use_traces):
        Declare.
        * rtl.h (reg_to_stack):  Update prototype.
        * reg-stack.c (reg_to_stack): Return when something has changed;
        update liveness when executing after superblock scheduling.

        * combine.c (simplify_shift_const):  Simplify few special cases
        into constants.

2003-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md: (attr "type"): Add fast_compare.
        (add.,subf.,neg.): Change attribute to fast_compare.
        All DFA descriptions updated.

2003-02-20  Nathan Sidwell  <nathan@codesourcery.com>

        Change base class access representation.
        * tree.h (TREE_VIA_PUBLIC, TREE_VIA_PROTECTED,
        TREE_VIA_PRIVATE): Remove.
        (BINFO_BASEACCESSES): New binfo elt.
        (BINFO_BASEACCESS): New accessor.
        (BINFO_ELTS): Increase.
        (TI_ACCESS_PUBLIC, TI_ACCESS_PROTECTED, TI_ACCESS_PRIVATE): New.
        (access_public_node, access_protected_node,
        access_private_node): New global nodes.
        * tree.c (build_common_tree_nodes_2): Initialize access nodes.
        * dbxout.c (dbxout_type): Adjust.
        * dwarf2out.c (gen_inheritance_die): Add access parameter.
        (gen_member_die): Adjust.
        * dwarfout.c (output_inheritance_die): ARG is array of two trees.
        (output_type): Adjust.
        * tree-dump.c (dequeue_and_dump): Adjust binfo dumping.

        Change base class access representation. Share virtual base
        binfos.
        * cp/call.c (build_special_member_call): Remove binfo_for_vbase
        call.
        * cp/class.c (build_base_path): Likewise.
        (build_primary_vtable): Adjust BINFO_NEW_VTABLE_MARKED use.
        (build_secondary_vtable): Remove FOR_TYPE arg. Adjust.
        (make_new_vtable): Adjust.
        (force_canonical_binfo_r): Delete.
        (force_canonical_binfo): Delete.
        (mark_primary_virtual_base): Delete.
        (dfs_unshared_virtual_bases): Delete.
        (mark_primary_bases): Adjust.
        (maybe_warn_about_overly_private_class): Adjust.
        (dfs_base_derived_from): Delete.
        (base_derived_from): Follow the inheritance chain.
        (struct find_final_overrider_data): Add vpath member.
        (dfs_find_final_overrider): Adjust.
        (dfs_find_final_overrider_q, dfs_find_final_overrider_post): New.
        (find_final_overrider): Adjust.
        (update_vtable_entry_for_fn): Adjust.
        (modify_all_vtables): Adjust.
        (walk_subobject_offsets): Adjust.
        (layout_nonempty_base_or_field): Adjust.
        (layout_empty_base): Remove last parameter. Adjust.
        (build_base_field): Adjust.
        (build_base_fields): Adjust.
        (propagate_binfo_offsets): Remove last parameter. Adjust.
        (dfs_set_offset_for_unshared_vbases): Delete.
        (layout_virtual_bases): Adjust.
        (finish_struct_1): Adjust.
        (init_class_processing): Don't init access nodes.
        (dfs_get_primary_binfo): Delete.
        (get_primary_binfo): Adjust.
        (dump_class_hierarchy_r): Remove most derived arg, add IGO
        parameter. Adjust.
        (dump_class_hierarchy): Adjust.
        (finish_vtbls): Adjust.
        (get_original_base): Delete.
        (build_vtt_inits): Adjust.
        (dfs_build_secondary_vptr_vtt_inits): Adjust.
        (dfs_ctor_vtable_bases_queue_p): Adjust.
        (build_ctor_vtbl_group): Adjust.
        (dfs_accumulate_vtbl_inits): Adjust.
        (build_vtbl_initializer): Adjust.
        (build_vbase_offset_vtbl_entries): Adjust.
        (add_vcall_offset_vtbl_entries_1): Adjust.
        * cp/cp-tree.h (CPTI_ACCESS_*): Remove.
        (access_*_node): Remove.
        (CANONICAL_BINFO): Delete.
        (BINFO_UNSHARED_MARKED): Remove.
        (BINFO_MARKED): Set LANG_FLAG_0 directly.
        (SET_BINFO_MARKED, CLEAR_BINFO_MARKED): Delete.
        (BINFO_VTABLE_PATH_MARKED): Set LANG_FLAG_3 directly.
        (SET_BINFO_VTABLE_PATH_MARKED, CLEAR_BINFO_VTABLE_PATH_MARKED):
        Delete.
        (BINFO_NEW_VTABLE_MARKED): Set LANG_FLAG_4 directly.
        (SET_BINFO_NEW_VTABLE_MARKED): Adjust.
        (SET_BINFO_PUSHDECLS_MARKED, CLEAR_BINFO_PUSHDECLS_MARKED):
        Delete.
        (BINFO_DEPENDENT_BASE_P): New.
        (dfs_walk, dfs_walk_real): Queue function takes derived binfo and
        index.
        (markedp, unmarkedp): Adjust.
        (dfs_unmarked_real_bases_queue_p, dfs_marked_real_bases_queue_p,
        dfs_skip_vbases, marked_vtable_pathp, unmarked_vtable_pathp,
        find_vbase_instance, binfo_for_vbase): Delete.
        (copied_binfo, original_binfo): Declare.
        (finish_base_specifier): Add virtual_p arg.
        (unshare_base_binfos): Delete.
        (copy_base_binfos): Declare.
        (reverse_path): Delete.
        * cp/decl.c (xref_basetypes): Access and virtuality passed
        differently. Don't copy direct base binfos here. Call
        copy_base_binfos.
        * cp/init.c (dfs_initialize_vtbl_ptrs): Adjust.
        (initialize_vtbl_ptrs): Adjust.
        (expand_member_init): Adjust.
        * cp/parser.c (cp_parser_base_specifier): Adjust.
        * cp/pt.c (instantiate_class_template): Adjust.
        (get_template_base_recursive): Adjust.
        * cp/rtti.c (get_pseudo_ti_init): Adjust.
        (get_pseudo_ti_desc): Adjust.
        * cp/tree.c (unshare_base_binfos): Rename to ...
        (copy_base_binfos): ... here, reimplement.
        (make_binfo): Set BINFO_DEPENDENT_BASE_P.
        (reverse_path): Remove.
        * cp/typeck.c (get_delta_difference): Adjust error messages.
        * cp/semantics.c (finish_base_specifier): Add virtual arg, adjust.
        * cp/search.c (lookup_base_r): Adjust.
        (dynamic_cast_base_recurse): Adjust.
        (canonical_binfo): Remove.
        (dfs_canonical_queue): Remove.
        (dfs_assert_unmarked_p): Remove.
        (assert_canonical_unmarked): Remove.
        (shared_marked_p, shared_unmarked_p): Remove.
        (BINFO_ACCESS, SET_BINFO_ACCESS): Use TREE_PUBLIC & TREE_PRIVATE.
        (dfs_access_in_type): Adjust.
        (access_in_type): Adjust.
        (dfs_accessible_queue_p): Adjust.
        (dfs_accessible_p): Adjust.
        (is_subobject_of_p_1, is_subobject_of_p): Remove.
        (struct lookup_field_info): Remove from_dep_base_p field.
        (lookup_field_queue_p): Adjust, test BINFO_DEPENDENT_BASE_P.
        (lookup_field_r): Remove dependent base code.
        (lookup_member): Likewise.
        (dfs_walk, dfs_walk_real): Add access arg to queue fn.
        (dfs_unmarked_real_bases_queue_p): Remove.
        (dfs_marked_real_bases_queue_p): Remove.
        (dfs_skip_vbases): Remove.
        (dfs_get_pure_virtuals): Adjust.
        (markedp, unmarkedp): Adjust.
        (marked_vtable_pathp, unmarked_vtable_pathp): Remove.
        (marked_pushdecls_p, unmarked_pushdecls_p): Adjust.
        (dfs_unmark): Adjust.
        (dfs_get_vbase_types):Remove.
        (dfs_build_inheritance_graph_order): Remove.
        (get_vbase_types): Remove
        (dfs_find_vbase_instance): Remove.
        (find_vbase_instance): Remove.
        (dfs_debug_unmarkedp): Adjust.
        (dependent_base_p): Remove.
        (dfs_push_type_decls): Adjust.
        (dfs_push_decls): Adjust.
        (dfs_no_overlap_yet): Adjust.
        (copied_binfo): New function.
        (original_binfo): New function.
        (binfo_for_vbase): Remove.

        Change base class access representation.
        * java/class.c (set_super_info): Don't set TREE_VIA_PUBLIC.
        (add_interface_do): Likewise.

2003-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sysv4.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
        * config/rs6000/power4.md (power4-store,power4-vecstore): New
        insn reservations.
        (power4-fpstore): Compact.

2003-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_w): New.

2003-02-20  Josef Zlomek  <zlomekj@suse.cz>

        * combine.c (distribute_notes): Kill REG_EXEC_COUNT.
        * rtl.c (reg_note_name): Likewise.
        * rtl.h (enum reg_note): Likewise.
        * doc/invoke.texi: Likewise.
        * doc/rtl.texi: Likewise.

2003-02-20  Josef Zlomek  <zlomekj@suse.cz>

        * bb-reorder.c (find_traces_1_round): Fix comment typo.

2003-02-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_real_zero_addition_p): Don't fold a zero
        addition in the presence of signaling NaNs.

2003-02-19  Krister Walfridsson  <cato@df.lth.se>

        * tm.texi (INIT_CUMULATIVE_ARGS): Fix typo.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Optimize or.l when
        ORing with 0xffff??00 with the highest bit of the ?? part set.
        (compute_logical_op_length): Update.
        (compute_logical_op_cc): Likewise.

2003-02-19  Josef Zlomek  <zlomekj@suse.cz>

        * bb-reorder.c (find_traces_1_round): Fixed condition for small
        destination block with multiple predecessors.
        (connect_traces): Check whether the block is a start of trace.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * calls.c (expand_call): Update call of INIT_CUMULATIVE_ARGS
        * function.c (assign_params): Likewise.
        * arm-protos.h (arm_init_cumulative_args): Update prototype.
        * arm.c (arm_init_cumulative_args): Update function.
        * arm.h (INIT_CUMULATIVE_ARGS): Update.
        * avr-protos.h (init_cumulative_args): Update prototype.
        * avr.c (init_cumulative_args): Update function.
        * avr.h (INIT_CUMULATIVE_ARGS): Update.
        * d30v-protos.h (d30v_init_cumulative_args): Update prototype.
        * d30v.c (d30v_init_cumulative_args): Update function.
        * d30v.h (INIT_CUMULATIVE_ARGS): Update.
        * frv-protos.h (frv_init_cumulative_args): Update prototype.
        * frv.c (frv_init_cumulative_args): Update function.
        * frv.h (INIT_CUMULATIVE_ARGS): Update.
        * mips.c (mips_expand_prolgue): Update call of INIT_CUMULATIVE_ARGS.
        * pa.h (INIT_CUMULATIVE_ARGS): Update.
        * sparc-protos.h (init_cumulative_args): Update prototype.
        * sparc.c (init_cumulative_args): Update function.
        * sparc.h (INIT_CUMULATIVE_ARGS): Update.
        * tm.texi (INIT_CUMULATIVE_ARGS): Update documentation.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_two_qi_sext): New.
        (*ashiftsi_sextqi_7): Likewise.

2003-02-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris6.h (TARGET_OS_CPP_BUILTINS): Define __c99 for
        ISO C99 and C++.

        * fixinc/inclhack.def (irix___restrict): Don't change __restrict
        for C++ on IRIX 6.5.1[89].
        * fixinc/tests/base/internal/sgimacros.h: New file.

        * fixinc/inclhack.def (irix_wcsftime): Use XPG5 variant for C99.
        * fixinc/tests/base/internal/wchar_core.h: New file.

        * fixinc/inclhack.def (irix_socklen_t): Fix broken IRIX 6.5.1[78]
        socklen_t definition.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/socket.h: New file.
        Fixes PR libgcj/9652.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * i386.md (movsfcc_1, movdfcc_1): Fix constrains.

2003-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Initialize
        align_jumps_max_skip and align_loops_max_skip.

2003-02-19  Thierry Moreau  <thierry.moreau@connotech.com>

        * config/rs6000/rs6000.c (rs6000_encode_section_info): Do not
        test size if named section.

2003-02-19  Daniel Jacobowitz  <drow@mvista.com>

        * expr.c (expand_expr): Use gen_int_mode for the argument
        to gen_rtx_MULT.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * i386.md (cosxf2):  Fix conditional.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (extendqisi2): Change to an expander.
        (*extendqisi2_h8300): New.
        (*extendqisi2_h8300hs): Likewise.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        split_adds_subs.  Remove the prototypes for
        const_int_le_2_operand and const_int_le_6_operand.
        * config/h8300/h8300.c (split_adds_sub): Don't output inc/dec.
        (const_int_le_2_operand): Remove.
        (const_int_le_6_operand): Likewise.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove the entries
        for const_int_le_2_operand and const_int_le_6_operand.
        * config/h8300/h8300.md: Update all uses of split_adds_subs.
        (a peephole2): New.

2003-02-18  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (NPREDECESORC, SET_NPREDECESORS): Kill.
        (cgraph_expand_function): Rewrite.

2003-02-18  Matt Austern <austern@apple.com>

        * toplev.c, langhooks.c, langhooks-def.h: Move
        write_global_declarations from toplev.c to langhooks.c.

2003-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (general_operand_src): Always check
        MODE.
        (general_operand_dst): Likewise.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * convert.c (convert_to_real): Also optimize (float)log(x) into
        logf(x) where x is a float, i.e. also handle BUILT_IN_LOG{,L}.

2003-02-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (unspec_caller_rtx_p): New.
        (sh_cannot_copy_insn_p): New.
        (TARGET_CANNOT_COPY_INSN_P): New.

2003-02-18  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_used_attribute): Accept static data too.

2003-02-18  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.dg/20030218-1.c: New.

        * doc/tm.texi: Document TARGET_VECTOR_TYPES_COMPATIBLE.

        * target-def.h (TARGET_INITIALIZER): Add
        TARGET_VECTOR_TYPES_COMPATIBLE.
        (TARGET_VECTOR_TYPES_COMPATIBLE): New macro.

        * target.h (struct gcc_target): Add field vector_types_compatible.

        * c-typeck.c (comptypes): Take into account
        TARGET_VECTOR_TYPES_COMPATIBLE.
        (convert_for_assignment): Same.

        * config/rs6000/rs6000.c (is_ev64_opaque_type): New.
        (rs6000_spe_vector_types_compatible): New.
        (TARGET_VECTOR_TYPES_COMPATIBLE): Define.

2003-02-19  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (toplev.o): Depend on $(LANGHOOKS_DEF_H).
        * toplev.c: Include langhooks-def.h.

2003-02-18  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (enum processor_type): Sort entries
        alphabetically.
        * config/mips/mips.md (define_attr cpu): Sync with processor_type
        enum values, including adding entries that were missing.

2003-02-18  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (calc_live_regs): Also check GET_CODE when checking if
        initial value for PR_REG is still the PR_REG register.

2003-02-18  Jim Wilson  <wilson@redhat.com>

        * config/ia64/ia64.md (floatdidf2, floatdisf2): Add %, before second
        instruction in output template.
        (bsp_value): Change output template from string to C code, add %,
        before actual instruction.
        (flushrs): Mark as not predicable.

2003-02-18  Krister Walfridsson  <cato@df.lth.se>

        * inclhack.def (netbsd_bogus_semicolon): New fix.
        * fixincl.x: Rebuilt.
        * tests/base/ctype.h: Update.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p): New function to determine whether
        an expression can be negated cheaply.
        (fold) [MINUS_EXPR]: Use it to determine whether to transform
        -A - B into -B - A for floating point types.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * sbitmap.c (sbitmap_resize): New function.
        * sbitmap.h (sbitmap_resize): Prototype here.
        * recog.c (split_all_insns): Use sbitmap_resize.

2003-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*zero_extendhisi2_h8300): Fix the
        insn length.
        (extendqisi2): Likewise.
        (*extendhisi2_h8300): Likewise.

2003-02-18  Matt Austern <austern@apple.com>

        * langhooks.h, langhooks-def.h: introduce new langhook,
        final_write_globals, with write_global_declarations as default.
        * toplev.c: Move invocation of wrapup_global_declarations from
        compile_file to new function, write_global_declarations.  Change
        compile_file to use final_write_globals hook.  Change
        wrapup_global_declarations so writing to DECL_DEFER_OUTPUT is
        conditional.

2003-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Correct and enhance comment.

2003-02-18  Geoffrey Keating  <geoffk@apple.com>

        * gcc.c (validate_switches): Don't scan past closing '}'.

2003-02-18  Ben Elliston  <bje@redhat.com>

        PR c++/1607
        * doc/extend.texi (Function Attributes): Document the effect of
        the C++ "this" parameter on the counting of arguments for the
        "format" and "format_arg" attributes.

2003-02-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h (__ev_stdd): Cast 2nd arg.
        (__ev_stdw): Same.
        (__ev_stdh): Same.

2003-02-17  Jan Hubicka  <jh@suse.cz>

        * recog.c (split_all_insns):  Fix memory overflow.

2003-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (cmpqi): Remove mode from compare.
        (cmphi): Likewise.
        (*cmphi_h8300): Likewise.
        (*cmphi_h8300hs): Likewise.
        (cmpsi): Likewise.
        (7 peephole2): Likewise.

2003-02-16  Jan Hubicka  <jh@suse.cz>

        * c-typeck.c (build_c_cast):  Fold constant variables into
        initial values.

2003-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Fix link for m68k-att-sysv.
        (Binaries): Ditto for Sinix/Reliant Unix.

2003-02-16 Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_reload_in_hi): Ensure that the scratch register does
        not overlap the final result register.

2003-02-16 Arend Bayer <arend.bayer@web.de>
           Richard Henderson  <rth@redhat.com>

        PR c/8068
        * fold-const.c (extract_muldiv_1): Rename from extract_muldiv;
        rearrange mult arguments for less recursion.
        (extract_muldiv): New.  Prevent runaway recursion.

2003-02-16  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygwin.h (TARGET_SUBTARGET_DEFAULT): Set
        MASK_ALIGN_DOUBLE.

2003-02-15  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (x86_ext_80387_constants): Use 80387 insns
        to load mathematical constants on K6, Athlon, Pentium 4 and PPro.
        (ext_80387_constants_table): Global table of 80387 special constants
        guarded by ext_80387_constants_init flag when not initialized.
        (init_ext_80387_constants): New function to initialize this table.
        (standard_80387_constant_p): Extend to recognize extra 80387
        constants, in XFmode, on processors where this is a win.
        (standard_80387_constant_opcode): New function to return the
        opcode associated with standard_80387_constant_p.
        (standard_80387_constant_rtx): New function to return the XFmode
        CONST_DOUBLE associated with standard_80387_constant_p.
        (ix86_rtx_costs): Give the new constants the same cost as 1.0.

        * config/i386/i386-protos.h (standard_80387_constant_opcode):
        Prototype here.
        (standard_80387_constant_rtx): Likewise.

        * config/i386/i386.md (*movsf1, *movsf1_nointerunit, *movdf_nointeger,
        *movdf_integer, *movxf_nointeger, *movtf_nointeger, *movxf_integer,
        *movtf_integer): Simplify using new standard_80387_constant_opcode.

2003-02-15  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Optimize Options): Correct @option syntax.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * Makefile.in (cfglayout.o): Depend on TARGET_H.
        * cfglayout.c: Include target.h.
        (cfg_layout_can_duplicate_bb_p): Check targetm.cannot_copy_insn_p.
        * target-def.h (TARGET_CANNOT_COPY_INSN_P): New.
        * target.h (struct gcc_target): Add cannot_copy_insn_p.

        * config/alpha/alpha.c (alpha_cannot_copy_insn_p): New.
        (TARGET_CANNOT_COPY_INSN_P): New.
        (override_options): Revert 2003-02-08 hack.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.
        (bypass_conditional_jumps): Accept computed_jump_p insns as well.

2003-02-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (processor_type): Add PPC440.
        * config/rs6000/rs6000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_VARIABLE_ISSUE): Define.
        (rs6000_use_dfa_pipeline_interface): New function.
        (rs6000_multipass_dfa_lookahead): New Function.
        (rs6000_variable_issue): New function.
        (rs6000_adjust_cost): Add CMP and DELAYED_CR types.
        (rs6000_issue_rate): Add PPC440.
        * config/rs6000/rs6000.md (unspec list): Correct typo.
        (attr "type"): Add load_ext, load_ext_u, load_ext_ux, load_u,
        store_ux, store_u, fpload_ux, fpload_u, fpstore_ux, fpstore_u,
        cmp, delayed_cr, mfcr, mtcr.
        (automata_option): Set "ndfa".
        (extendMMNN2): Update attributes.
        (movcc_internal1): Discourage move to non-cr0.  Update
        attributes.
        (movMM_update): Update attributes.
        (cmpMM_internal): Update attributes.
        (sCC CR materialization): Update attributes.
        (branch patterns): Do not discourage non-cr0.
        (cr logical patterns): Prefer destructive register allocation.
        Update attributes.
        (movesi_from_cr): Update attribute.
        (mtcrf_operation): Update attribute.
        (mtcrfsi): Update attribute.
        * config/rs6000/40x.md: New file.
        * config/rs6000/603.md: New file.
        * config/rs6000/6xx.md: New file.
        * config/rs6000/7450.md: New file.
        * config/rs6000/7xx.md: New file.
        * config/rs6000/mpc.md: New file.
        * config/rs6000/power4.md: New file.
        * config/rs6000/rios1.md: New file.
        * config/rs6000/rios2.md: New file.
        * config/rs6000/rs64.md: New file.
        [Some DFA descriptions based on work by Michael Hayes]

2003-02-15  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (find_traces_1_round): Don't connect easy to copy
        successors with multiple predecessors.
        (connect_traces): Try harder to copy traces of length 1.

        * function.h (struct function): Add computed_goto_common_label,
        computed_goto_common_reg.
        * function.c (free_after_compilation): Zap them.
        * stmt.c (expand_computed_goto): Use them to produce one
        indirect branch per function.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c: Include params.h.
        (try_crossjump_bb): Use PARAM_MAX_CROSSJUMP_EDGES.  Fix test for
        too many outgoing edges from a block.
        * Makefile.in (cfgcleanup.o): Depend on PARAMS_H.
        * params.def (max-crossjump-edges): New.
        * doc/invoke.texi: Document it.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * recog.c (split_all_insns): Include new blocks in life update;
        do a global life update.

2003-02-15  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (LIBGCC_SPEC): Add libmingwex.a.
        Update copyright.
        * config/i386/cygwin.h (LIBGCC_SPEC): Add libmingwex.a for
        -mno-cygwin case.

2003-02-14  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR optimization/7702
        * reload1.c (reload_cse_simplify_set): Honor
        CANNOT_CHANGE_MODE_CLASS.

2003-02-14  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300.c (mn10300_wide_const_load_uses_clr): New
        function.
        * config/mn10300/mn10300-protos.h: Declare it.
        * config/mn10300/mn10300.md (movdi, movdf): Use it to compute
        attribute cc of instructions that may use clr.

2003-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * simplify-rtx.c (simplify_binary_operation): Simplify ~y when
        (x - (x & y)) is found.

2003-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.in: Fix typo.
        * configure: Regenerate.

2003-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi2_and_1_lshiftrt_1): New.

2003-02-13  Adam Nemet  <anemet@lnxw.com>

        PR opt/2391
        * combine.c: Fix spelling in comment.
        (cached_nonzero_bits): New function.
        (cached_num_sign_bit_copies): New function.
        (nonzero_bits_with_known): New macro.
        (num_sign_bit_copies_with_known): New macro.
        (nonzero_bits1): Rename from nonzero_bits.  Add three new
        arguments.  Change calls from nonzero_bits to
        nonzero_bits_with_known.
        (num_sign_bit_copies1): Rename from num_sign_bit_copies.  Add
        three new arguments.  Change calls from num_sign_bit_copies to
        num_sign_bit_copies_with_known.
        (nonzero_bits): New macro.
        (num_sign_bit_copies): New macro.
        (update_table_tick): Don't traverse identical subexpression more
        than once.
        (get_last_value_validate): Likewise.

2003-02-13  Zack Weinberg  <zack@codesourcery.com>

        * emit-rtl.c (init_emit): Use ggc_alloc for regno_reg_rtx.
        * function.h (struct emit_status): Length of regno_pointer_align
        and x_regno_reg_rtx as seen by gengtype is only x_reg_rtx_no,
        not regno_pointer_align_length (i.e. length actually used, not
        length as allocated)

        * config/i386/i386.c (struct stack_local_entry): New.
        (struct machine_function): Replace huge array with alist.
        (assign_386_stack_local): Change to match.

2003-02-13  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        * inclhack.def (hpux_long_double): Tighten select and add bypass
        regexp.
        * fixincl.x: Rebuilt.

2003-02-13  Josef Zlomek  <zlomekj@suse.cz>

        * cfgcleanup.c (outgoing_edges_match): When there is single outgoing
        edge and block ends with a jump insn it must be simple jump.

2003-02-13  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in (PREPROCESSOR_DEFINES): Add
        @TARGET_SYSTEM_ROOT_DEFINE@.
        * configure.in (PREFIX_INCLUDE_DIR): Don't define if $with_sysroot
        is specified or if building a cross compiler.
        (TARGET_SYSTEM_ROOT_DEFINE): Add TARGET_SYSTEM_ROOT_RELOCATABLE
        if the sysroot is under $exec_prefix.
        * configure: Regenerated.
        * cppdefault.h: Use native include paths if TARGET_SYSTEM_ROOT is
        defined.
        (struct default_include): Add add_sysroot field.
        (cpp_SYSROOT): Declare.
        * cppdefault.c (cpp_include_defaults): Fill in add_sysroot
        field.
        (cpp_SYSROOT): New variable.
        * cppinit.c (cpp_create_reader): Initialize
        CPP_OPTION (pfile, sysroot).
        (init_standard_includes): Handle add_sysroot.  Do not
        add unrelocated copies of relocated directories.
        (COMMAND_LINE_OPTIONS): Add -isysroot.
        (cpp_handle_option): Handle -isysroot.
        * cpplib.h (struct cpp_options): Add sysroot member.
        * gcc.c (The Specs Language): Update description of %I.
        (target_system_root_changed): New variable.
        (process_command): Conditionalize make_relative_prefix call
        on !VMS and TARGET_SYSTEM_ROOT_RELOCATABLE.  Set
        target_system_root_changed.
        (do_spec_1): Add -isysroot to %I.
        * doc/invoke.texi (Spec Files): Update description of %I.
        * doc/install.texi (--with-sysroot): Update comment about
        relocation.

2003-02-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-13  Robert Lipe <robertlipe@usa.net>
            Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Update three SCO-related URLs.

2003-02-13  Andreas Schwab  <schwab@suse.de>

        * cgraph.c (SET_NPREDECESORS): Add intermediate cast to size_t.
        Parenthesize properly.
        (NPREDECESORS): Parenthesize properly.

2003-02-13  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * timevar.h (POP_TIMEVAR_AND_RETURN): New macro.

2003-02-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (UNSPEC_FPATAN): New UNSPEC constant.
        (atan2sf3, atan2df3, atan2xf3, atan2tf3): New patterns.

        * reg-stack.c (subst_stack_regs_pat): Add support for binary
        UNSPEC instructions (e.g. "fpatan").

2003-02-12  Mike Stump  <mrs@apple.com>

        * varray.c (element_size): Remove.
        (uses_ggc): Remove.
        (element): Add.
        (varray_init): Use new interface.
        (varray_grow): Use new interface.
        (varray_clear): Use new interface.

2003-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Add casts to the arguments of the following
        macros: evfsabs, evfsnabs, evfsneg, evfsadd, evfssub, evfsmul,
        evfsdiv, evfscfui, evfscfsi evfscfuf evfscfsf, evfsctui, evfsctsi,
        evfsctuf, evfsctsf, evfsctuiz, evfsctsiz, __ev_get_upper*,
        __ev_get_lower*, __ev_get_u32, __ev_get_s32, __ev_get_fs,
        __ev_get_u16, __ev_get_s16.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-12  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-unit-at-a-time
        (OBJS): Add callgraph.o
        (callgraph.o): New.
        * c-decl.c (expand_body_1): Break out from ...
        (expand_body): This one;  change calling convention
        (finish_function): Move some of expand_body logic here.
        (c_expand_deferred_function): Update call of expand_body
        (c_expand_stmt): Use c_expand_body_1.
        * c-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Define.
        * c-objc-commin.c (c_objc_common_finish_file): Use callgraph code.
        * c-tree.h (c_expand_body): Declare.
        * callgraph.c: New file.
        * flags.h (flag_unit_at_a_time): Declare.
        * langhooks.h (LANG_HOOKS_CALLGRAPH_LOWER_FUNCTION,
        LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION,
        LANG_HOOKS_CALLGRAPH_INITIALIZER): New macros.
        * langhooks.h (struct lang_hooks_for_callgraph): New.
        (struct lang_hooks): Add callgraph field.
        * toplev.c (flag_unit_at_a_time): New.
        (lang_independent_options): Add flag_unit_at_a_time.
        (process_options): Disable unit-at-a-time mode for frontends not
        supporting callgraph.
        * tree-inline.c (typedef struct inline_data): Add "decl"
        (expand_call_inline): Update callgraph.
        (optimize_inline_calls): Set id.decl.
        * tree.h (cgraph_finalize_function, cgraph_finalize_compilation_unit,
        cgraph_create_edges, dump_cgraph, cgraph_optimize, cgraph_remove_call
        cgraph_calls_p): Declare.
        * invoke.texi (-funit-at-a-time): Document

2003-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Fix misc formatting.
        (__ev_create_ufix32_fs): Cast ev argument.
        (__ev_create_sfix32_fs): Same.
        (__ev_get_sfix32_fs_internal): Cast arguments to builtins.
        (__ev_get_ufix32_fs_internal): Same.

2003-02-12  Ranjit Mathew  <rmathew@hotmail.com>

        * doc/tm.texi (MODIFY_JNI_METHOD_CALL): Document.
        * config/i386/cygwin.h (MODIFY_JNI_METHOD_CALL): New macro.

2003-02-12  Zack Weinberg  <zack@codesourcery.com>

        * cpplib.c (do_include_common): Move warnings for
        #include_next and #import out to callers.  Use early-return
        instead of nested ifs.  Don't do check_eol here.
        (parse_include): Do check_eol here with the rest of the
        parsing stuff.
        (do_include_next, do_import): Now handle warnings.

2003-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Update AVR- and Darwin-related URLs.

2003-02-12  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_probability):  Fix roundoff error.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Don't handle 65535.
        (two peephole2): New.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (several peephole2): Replace
        find_regno_note with peep2_reg_dead_p.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * gcse.c (lookup_set): Remove unused argument PAT.  Update
        both callers.

2003-02-11  Geoffrey Keating  <geoffk@apple.com>

        * diagnostic.c (real_abort): New.
        (diagnostic_report_diagnostic): Call real_abort on error.
        * diagnostic.h (diagnostic_abort_on_error): New.
        (struct diagnostic_context): Add abort_on_error field.
        * toplev.c (setup_core_dumping): New.
        (decode_d_option): Handle 'H' case.
        * doc/invoke.texi (Debugging Options): Document -dH.

2003-02-11  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Remove pointless setting of CXXFLAGS for dejagnu
        which refers to obsolete directories.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h (TARGET_C99_FUNCTIONS): New.

2002-10-21  Jan Hubicka  <jh@suse.cz>

        * i386.c (contains_128bit_aligned_vector_p): New function.
        (ix86_function_arg_boundary): Properly align vector modes.

2003-02-11  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (set_frame_ptr): Change rtl to set reg a7.
        * config/xtensa/xtensa.c (xtensa_reorg): Search for UNSPECV_SET_FP
        as a SET pattern.

2003-02-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c:  Fix failure caused by commiting wrong patch.

2003-02-11  Dale Johannesen  <dalej@apple.com>
        * ra-build.c (compare_and_free_webs):  Relax checking.
        * config/rs6000/darwin.h (HOT_TEXT_SECTION_NAME):  Define.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):  Define.

2003-02-11  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR optimization/9651
        * rtlanal.c (may_trap_p): Handle FIX.

2003-02-11  Dave Jones <davej@codemonkey.org.uk>

        * config/i386/i386.c (override_options): Define c3-2 as a 686 with SSE.
        * doc/invoke.texi: Extra alias.

2003-02-11  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/host-darwin.c: Fix comment.

2003-02-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (divmodsi4): Use register_operand
        predicate for mod result.

2003-02-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * inclhack.def (hpux_long_double, hpux10_ctype_declarations1,
        hpux10_ctype_declarations2, hpux_ctype_macros): New hacks.
        * fixincl.x: Rebuilt.
        * tests/base/stdlib.h: Update.
        * tests/base/ctype.h: New file.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (emit_copy_of_insn_after): Copy insn recog cache too.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_movstr): Fail if esi or edi
        appropriated as globals.
        (ix86_expand_clrstr): Similarly.
        * config/i386/i386.md (cmpstrsi): Similarly.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Add a case of 255.

2003-02-11  Roger Sayle  <roger@eyesopen.com>

        * optabs.h (enum optab_index): Add new OTI_pow and OTI_atan2.
        (pow_optab, atan2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize pow_optab and atan2_optab.
        * genopinit.c (optabs): Implement pow_optab and atan2_optab
        using pow?f3 and atan2?f3 patterns.
        * builtins.c (expand_errno_check): New function to update errno
        if necessary, split out from expand_builtin_mathfn.
        (expand_builtin_mathfn): Use expand_errno_check.
        (expand_builtin_mathfn_2): New function to handle expanding binary
        math functions, reusing the code in expand_errno_check.
        (expand_builtin): Handle the pow and atan2 math built-ins,
        BUILT_IN_{POW,POWF,POWL,ATAN2,ATAN2F,ATAN2L} via the new function
        expand_builtin_mathfn_2.

        * doc/md.texi: Document new pow?f3 and atan2?f3 patterns.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Fix folding of
        nested float_truncates.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Fix a typo.

2003-02-11  Richard Earnshaw  <rearnsha@arm.com>

        * arm.mc (return_address_mask): Use CC_REGNUM for the condition code
        register number.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        gtuleu_operator.
        * config/h8300/h8300.c (gtuleu_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add gtuleu_operator.
        * config/h8300/h8300.md (a peephole2): New.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * sched-ebb.c (schedule_ebbs): Do not verify_flow_info.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * predict.c (choose_function_section): Choose sections correctly.

2003-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * reload1.c (first_label_num): New.
        (reload): Index offsets_known_at and offsets_at using difference of
        label number and first label number.  Don't use offset pointers.
        (set_label_offsets, set_initial_label_offsets): Likewise.

2003-02-10  Roger Sayle  <roger@eyesopen.com>

        * mips-tfile.c (init_file): Add missing initializers in the
        "#ifdef __alpha" case.
        (file_offset, max_file_offset): Declare as unsigned long.
        (write_varray): Cast to "unsigned long" in comparisons against
        either file_offset or max_file_offset.
        (write_object): Likewise.
        (read_seek): Likewise.
        (copy_object): Likewise. Declare "ifd" as int to match its use
        in add_ext_symbol, and avoid signed/unsigned conditional warning.

2003-02-10  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Do not
        override options which have been specified on the command line.

2003-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (abssf2): New.
        (*abssf2_h8300): Likewise.
        (*abssf2_h8300hs): Likewise.

2003-02-10  Phil Edwards  <pme@gcc.gnu.org>

        * tree.c (build_tree_list):  Fix parameter names in comment.

2003-02-10  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/ppc64-fp.c: New file.
        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.

2003-02-10  Josef Zlomek  <zlomekj@suse.cz>

        * Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
        * bb-reorder.c (make_reorder_chain): Deleted.
        (make_reorder_chain_1): Deleted.
        (find_traces): New function.
        (rotate_loop): New function.
        (mark_bb_visited): New function.
        (find_traces_1_round): New function.
        (copy_bb): New function.
        (bb_to_key): New function.
        (better_edge_p): New function.
        (connect_traces): New function.
        (copy_bb_p): New function.
        (get_uncond_jump_length): New function.
        (reorder_basic_blocks): Use new functions (Software Trace Cache).
        * cfgcleanup.c (outgoing_edges_match): Enable crossjumping across loop
        boundaries.

2003-02-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Change spe_evxor to xorv2si3.

2003-02-09  Dan Nicolaescu  <dann@ics.uci.edu>

        * tree.h (struct tree_decl): Remove unused live_range_rtl field.
        (DECL_LIVE_RANGE_RTL): Remove.

2003-02-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/aof.h, config/arm/aout.h, config/arm/arm-modes.def,
        config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
        config/arm/arm.md, config/arm/cirrus.md, config/arm/coff.h,
        config/arm/conix-elf.h, config/arm/ecos-elf.h, config/arm/elf.h,
        config/arm/freebsd.h, config/arm/linux-elf.h,
        config/arm/linux-gas.h, config/arm/netbsd-elf.h,
        config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
        config/arm/rtems-elf.h, config/arm/semi.h, config/arm/semiaof.h,
        config/arm/strongarm-coff.h, config/arm/strongarm-elf.h,
        config/arm/strongarm-pe.h, config/arm/uclinux-elf.h,
        config/arm/unknown-elf-oabi.h, config/arm/unknown-elf.h,
        config/arm/xscale-elf.h: Replace occurances of "GNU CC" with "GCC"
        and reformat as appropriate.

2003-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: Remove.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/t-h8300 (LIB2FUNCS_EXTRA): Remove clzsi2,
        ctzsi2, paritysi2, and popcountsi2.

2003-02-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>

        PR c/7741
        * c-decl.c (duplicate_decls): Discard the initializer of the
        new decl when the types are conflicting.

2003-02-10  Josef Zlomek  <zlomekj@suse.cz>

        * Makefile.in (sreal.o): Added.
        (predict.o): Depends on sreal.h instead of real.h.
        * sreal.c: New file.
        * sreal.h: New file.
        * predict.c: Use sreal.c instead of real.c.

2003-02-10  Nick Clifton  <nickc@redhat.com>

        * Contributed support for the Cirrus EP9312 "Maverick"
        floating point co-processor.  Written by Aldy Hernandez
        <aldyh@redhat.com>.
        (config/arm/arm.c): Add Cirrus support.
        (config/arm/arm.h): Likewise.
        (config/arm/aout.h): Likewise.
        (config/arm/arm.md): Likewise.
        (config/arm/arm-protos.h): Likewise.
        (config.gcc): Likewise.
        (doc/invoke.texi): Describe new -mcpu value and new
        -mcirrus-fix-invalid-insns switch,
        (cirrus.md): New file.

2003-02-10  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Simplify using
        (float_truncate (float x)) is (float x)
        (float_extend (float_extend x)) is (float_extend x).

2003-02-10  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (try_to_integrate): Tidy stack_usage_map access.
        (emit_library_call_value_1): Likewise.  Formatting.
        (store_one_arg): Likewise.

2003-02-09  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md: spe_evlhhesplat, spe_evlhhossplat,
        spe_evlhhousplat, spe_evlwhsplat, spe_evlwwsplat, spe_evldd,
        spe_evldh, spe_evldw, spe_evlwhe, spe_evlwhos, spe_evlwhou,
        spe_evstdd, spe_evstdh, spe_evstdw, spe_evstdwx, spe_evstwhe,
        spe_evstwho, spe_evstwwe, spe_evstwwo: Fix syntax to match newest
        docs.  Add range test for immediate value.

2003-02-09  Aldy Hernandez  <aldyh@redhat.com>

        Rename spe_evxor to xorv2si3.
        (xorv4hi3): New.
        (xorv1di3): New.

2003-02-10  Glen Nakamura  <glen@imodulo.com>

        * doc/extend.texi (C++98 Thread-Local Edits): Add missing @item
        tag.

2003-02-10  Jan Hubicka  <jh@suse.cz>

        * i386.c (vector_move_operand): New predicate.
        (ix86_expand_vector_move): Be happy about 0.
        * i386.h (PREDICATE_CODES): Add sse-move_operand.
        * i386.md (mov*_internal): Add 'C' alternative.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (floathi*): Deal with SSE.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_unary_operation,
        simplify_binary_operation):  Deal with vector modes
        (simplify_ternary_operation):  Deal with no-op VEC_MERGE.

2003-02-09  Richard Sandiford  <rsandifo@redhat.com>

        * toplev.c (rest_of_compilation): Recompute register usage after
        split_all_insns.

2003-02-09  Richard Henderson  <rth@redhat.com>

        * libgcc-std.ver (__clztf2): New.
        (__ctztf2, __popcounttf2, __paritytf2): New.
        * libgcc2.c (__clzSI2, __clzDI2, __ctzSI2, __ctzDI2, __popcountSI2,
        __popcountDI2, __paritySI2, __parityDI2): Use UWmode and UDWmode;
        adjust code to match the different type sizes.
        * libgcc2.h (__clzSI2, __ctzSI2, __popcountSI2, __paritySI2,
        __clzDI2, __ctzDI2, __popcountDI2, __parityDI2): New macros.

        * optabs.c (init_integral_libfuncs): Don't hard-code SImode and
        TImode; select word_mode and twice that.
        (init_floating_libfuncs): Don't hard-code SFmode and TFmode;
        select the modes from float, double, and long double.
        (init_optabs): Remove duplicate initializations.

2003-02-09  Wolfgang Bangerth  <bangerth@ticam.utexas.edu>

        * doc/install.texi: Squeeze and streamline section on
        testing and regression checking.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (ahi?v*3): Set third operand type to TImode.
        * i386.c (ix86_expand_binop_builtin): Extend operand when needed.

        * simplify-rtx.c (simplify_subreg): Fix conversion from vector into
        integer mode.

        * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_DUPLICATE):
        Change code so they are arithmetic expressions now.
        * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
        simplify_ternary_operation): Deal with VEC_* expressions.

        * i386.md (vmaskcmp, pinsrw, movd patterns):  Fix RTL representation.

2003-02-08  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (verify_flow_info):  Use control_flow_insn_p.
        * reload1.c (fixup_abnormal_edges):  Split basic blocks when EH edges
        possibly got duplicated.

2003-02-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (override_options): Turn off explicit
        relocs until post-peep2 code duplication resolved.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c (expand_unop): Widen clz properly when clz is done
        via libcall.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: Replace "GNU CC" with "GCC".
        * config/h8300/crti.asm: Likewise.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/rtems.h: Likewise.

2003-02-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * doc/invoke.texi: Documentation for my previous commit.
        * doc/passes.texi: Ditto.

2003-02-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (fix_loop_placement, can_duplicate_loop_p,
        duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
        Declare.
        (DLTHE_FLAG_UPDATE_FREQ): New.
        * cfgloopmanip.c (duplicate_loop, duplicate_subloops, copy_loops_to,
        loop_redirect_edge, loop_delete_branch_edge, copy_bbs, remove_bbs,
        rpe_enum_p, find_branch, alp_enum_p, add_loop, fix_loop_placements,
        fix_bb_placement, fix_bb_placements, place_new_loop,
        scale_loop_frequencies, scale_bbs_frequencies, record_exit_edges):
        New static functions.
        (fix_loop_placement, can_duplicate_loop_p,
        duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
        New functions.

        * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize,
        unswitch_loops): Declare.
        * loop-init.c: New file.
        * loop-unswitch.c: New file.
        * Makefile.in (loop-init.o, loop-unswitch.o): New.
        * params.def (PARAM_MAX_UNSWITCH_INSNS, PARAM_MAX_UNSWITCH_LEVEL): New.
        * toplev.c (DFI_loop2): New dump.
        (flag_unswitch_loops): New.
        (lang_independent_options): Add it.
        (rest_of_compilation): Call new loop optimizer.
        (parse_options_and_default_flags): Turn flag_unswitch_loops on with -O3.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: New.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/t-h8300 (LIB2FUNCS_EXTRA): Add above files.

2003-02-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
        * config/rs6000/rs6000.md (clzsi2): Rename from cntlzw2.
        (ctzsi2): New pattern.
        (ffssi2): Use clz instead of unspec.
        (clzdi2): Rename from cntlzd2.
        (ctzdi2): New pattern.
        (ffsdi2): Use clz instead of unspec.

2003-02-07  Loren James Rittle  <ljrittle@acm.org>

        * config/alpha/freebsd.h (LINK_SPEC): Weaken error to notice.
        * config/ia64/freebsd.h (LINK_SPEC): Likewise.
        * config/sparc/freebsd.h (LINK_SPEC): Likewise.
        * config/i386/freebsd.h (LINK_SPEC): Add clause to mirror other arches.

2003-02-07  Wolfgang Bangerth  <bangerth@ticam.utexas.edu>

        * doc/trouble.texi: Document pitfalls of two-stage name lookup.

2003-02-07  Richard Henderson  <rth@redhat.com>

        PR 9226
        * gcse.c (local_cprop_find_used_regs): New.
        (local_cprop_pass): Use it.

2003-02-07  Fred Fish  <fnf@intrinsity.com>

        * mips-tfile.c (parse_def): Parenthesize assignments to fix
        precedence bugs.

2003-02-07  Segher Boessenkool  <segher@koffie.nl>

        * genoutput.c (output_get_insn_name): Handle NOOP_MOVE_INSN_CODE.

2003-02-07  Roger Sayle  <roger@eyesopen.com>

        * builtin-types.def (BT_FN_FLOAT_FLOAT_FLOAT): New built-in type.
        (BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE): Likewise.
        (BT_FN_DOUBLE_DOUBLE_DOUBLE): Likewise.
        * builtins.def: Define pow, powf, powl, atan2, atan2f and atan2l
        builtin functions (and their __builtin_* variants).
        * builtins.c (mathfn_built_in): Handle missing log{,f,l} cases.
        (expand_builtin): Don't expand log{,f,l}, pow{,f,l} or atan2{,f,l}
        when not optimizing.

        * doc/extend.texi: Document new pow and atan2 builtins, and
        their float and long double variants.  Realphabetize builtins.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse2_nandv2di3): Fix.

2003-03-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.h (MS_AGGREGATE_RETURN): New define.
        * config/i386/cygwin.h (MS_AGGREGATE_RETURN): Override default
        definition.
        * config/i386/i386.h (ix86_return_in_memory): Return aggregate
        types of up to 8 bytes via registers if MS_AGGREGATE_RETURN.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * i386.md (movdi_rex64_1): Fix mmx<->int move opcode.

2003-02-07  Daniel Berlin  <dberlin@dberlin.org>

        * cfg.c (dump_flow_info): Add back accidently deleted line.

2003-02-07  Andrey Petrov <petrov@netbsd.org>

        * optabs.c (expand_float): Search wider integer modes first.

2003-02-07  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (LIBGCC2_WORDS_BIG_ENDIAN): Set this
        based on preprocessor flag.

2003-02-07  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * gcse.c (implicit_sets): New.
        (compute_hash_table_work): Include them in hash table.
        (find_implicit_sets, fis_get_condition): New.
        (one_cprop_pass): Allocate and free implicit_sets; call
        find_implicit_sets before building hash table.

2003-02-07  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/t-netbsd (USER_H): Revert previous change.

2003-02-07  Gabor Greif  <ggreif@lucent.com>

        * doc/c-tree.texi (Namespaces): Fix typo.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * regrename.c (do_replace, find_oldest_value_reg,
        copyprop_hardreg_forward_1): Update register attributes.

2003-02-06  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (VLA_PTR_CREATE, VLA_PTR_EXPAND, VLA_PTR_ADD,
        VLA_HWINT_CREATE, VLA_HWINT_EXPAND, VLA_HWINT_ADD): Use temporay
        variables starting with underscore.
        (struct unit_usage): New structure.
        (unit_usages, cycle_alt_unit_usages): New global variables.
        (check_unit_distribution_in_reserv): Remove it.
        (store_alt_unit_usage): New function.
        (check_regexp_units_distribution): Rewrite it.

2003-02-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa*-*-linux*): Set MASK_NO_SPACE_REGS in
        target_cpu_default.
        * pa.c (attr_length_call): Add 8 to call length (long indirect PA 1.X)
        if not MASK_NO_SPACE_REGS.
        (output_call): Adjust return pointer, don't load new space register
        into %sr0, and use %sr4 for call if TARGET_NO_SPACE_REGS is true.
        (pa_asm_output_mi_thunk): Don't load new space register into %sr0 if
        TARGET_NO_SPACE_REGS is true.
        * pa.md (return_external_pic): Add TARGET_NO_SPACE_REGS to insn
        conditions.
        (epilogue): Always use return_internal if TARGET_NO_SPACE_REGS is true.
        (interspace_jump): Add new pattern for when TARGET_NO_SPACE_REGS is
        true.  Use bve when TARGET_64BIT is true.

2003-02-06  Richard Henderson  <rth@redhat.com>

        * combine.c (nonzero_bits): Fix double break.

2003-02-06  Eric Botcazou <ebotcazou@libertysurf.fr>
            Richard Henderson <rth@redhat.com>

        PR c/9530
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Forbid sibcalls
        from functions that return a float to functions that don't.

2003-02-06  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_inter_unit_moves): New variable.
        (ix86_secondary_memory_needed): Fix 64bit case, honor
        TARGET_INTER_UNIT_MOVES
        * i386.h (x86_inter_unit_moves): Declare.
        (TARGET_INTER_UNIT_MOVES): New macro.
        * i386.md (movsi_1): Cleanup constraints; disable
        when not doing inter-unit moves.
        (movsi_1_nointernunit): New.
        (movdi_1_rex64): Fix constraints; deal with SSE->GPR moves.
        (movdi_1_rex64_nointerunit): New.
        (mivsf_1): disable when not doing inter-unit moves.
        (movsf_1_nointerunit): New.

        * basic-block.h (inside_basic_block_p):  Declare.
        * cfgbuild.c (inside_basic_block_p): Make global.
        * haifa-sched.c (unlink_other_notes0: Deal with NOT_INSN_BASIC_BLOCK.
        * scheudle-ebb.c  (schedule_ebb): Return last basic block of trace;
        update CFG.
        (fix_basic_block_boundaries, add_missing_bbs): New.
        (rank): Use profile.
        (scheudle_ebbs): Rely on CFG; update coments.

2003-02-05  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (host_hook_obj): New.
        (OBJS): Add $(host_hook_obj).
        (host_default.o): New rule.
        * config.gcc (host_hook_obj): New, default to host-default.o.
        (powerpc-*-darwin*): Use host-darwin.o.
        (out_host_hook_obj): New.
        * configure: Regenerate.
        * configure.in: Print information about out_host_hook_obj, substitute
        into output files.
        * host-default.c: New file.
        * hosthooks.h: New file.
        * toplev.c (general_init): Call host_hooks.extra_signals.
        * config/rs6000/host-darwin.c: New file.
        * config/rs6000/x-darwin: New file.
        * doc/hostconfig.texi: Add documentation for new host hook.
        Rearrange existing documentation.

2003-02-05  Roger Sayle  <roger@eyesopen.com>

        * dwarf2out.c (mem_loc_descriptor): Replace ASM_SIMPLIFY_DWARF_ADDR
        with *targetm.delegitimize_address.
        (rtl_for_decl_location): Likewise.
        * dwarfout.c (output_mem_loc_descriptor): Likewise.  Include target.h.
        * Makefile.in (dwarf2out.c, dwarfout.c): Depend upon $(TARGET_H)

        * config/i386/i386.h (ASM_SIMPLIFY_DWARF_ADDR): Remove definition.
        * config/i386/i386-protos.h (i386_simplify_dwarf_addr): Remove
        prototype.
        * config/i386/i386.c (ix86_delegitimize_address): Renamed from
        i386_simplify_dwarf_addr.  Made static.  Prototyped.
        (TARGET_DELEGITIMIZE_ADDRESS): Update definition from
        i386_simplify_dwarf_addr to ix86_delegitimize_address.
        (ix86_find_base_term): Likewise.
        (maybe_get_pool_constant): Likewise.

        * config/s390/s390.h (ASM_SIMPLIFY_DWARF_ADDR): Remove definition.
        * config/s390/s390-protos.h (s390_simplify_dwarf_addr): Remove
        prototype.
        * config/s390/s390.c (s390_delegitimize_address): Renamed from
        s390_simplify_dwarf_addr.  Made static.  Prototyped.
        (TARGET_DELEGITIMIZE_ADDRESS): Define as s390_delegitimize_address.

2003-02-05  Richard Henderson  <rth@redhat.com>

        PR c/8602
        * integrate.c (output_inline_function): Reset input_filename
        and lineno from the decl before rest_of_compilation.

2003-02-05  Richard Henderson  <rth@redhat.com>

        * defaults.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (CTZ_DEFINED_VALUE_AT_ZERO): New.
        * doc/rtl.texi, doc/tm.texi: Document them.

        * combine.c (nonzero_bits) [CLZ, CTZ]: Handle the definedness
        of the value at zero properly.
        * fold-const.c (tree_expr_nonnegative_p): Likewise.
        * simplify-rtx.c (simplify_unary_operation): Likewise.

        * config/alpha/alpha.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (CTZ_DEFINED_VALUE_AT_ZERO): New.

        * config/arm/arm.c (TARGET_INIT_BUILTINS): Remove.
        (TARGET_EXPAND_BUILTIN): Remove.
        (def_builtin, arm_init_builtins, arm_expand_builtin): Remove.
        * config/arm/arm.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (enum arm_builtins): Remove.
        * config/arm/arm.md (UNSPEC_CLZ): Remove.
        (clzsi2): Rename from clz; use clz instead of unspec.
        (ctzsi2): New.
        * config/arm/arm-protos.h: Update.

2003-02-05  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (x86_emit_floatuns):  Declare.
        * i386.c (x86_emit_floatuns): New global function.
        * i386.md (floatunssisf2, floatunsdisf2,
        floatunsdidf2):  New patterns.

2003-01-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopmanip.c (force_single_succ_latches): Fix missindentation.

2003-02-05  Hans Boehm <Hans.Boehm@hp.com>

        * config/ia64/unwind-ia64.c: include coretypes.h, tm.h to get
          config/ia64/linux.h

2003-02-05  Roger Sayle  <roger@eyesopen.com>

        * cfgloop.h (flow_bb_inside_loop_p): Correct prototype again.

2003-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/8555
        * config/i386/i386.md (sse_mov?fcc split): Handle op2 == op3 case
        instead of aborting.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (UNSPEC_BSF): Remove.
        (ffssi2): Split into cmove and no_cmove insns and splitters;
        lose pentium float trick for now.
        (ffssi_1): Add * to name; use CTZ instead of UNSPEC.
        (ctzsi2, clzsi2, bsr): New.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle POPCOUNT,
        UNSPEC_GETF_EXP; remove UNSPEC_POPCNT.
        * config/ia64/ia64.md (UNSPEC_POPCNT): Remove.
        (ffsdi2): Use popcount instead of unspec.
        (popcountdi2): Rename from *popcnt.
        (ctzdi2, clzdi2, getf_exp_tf): New.

2003-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * genconfig.c (main): Generate CC0_P.
        * rtl.h (CC0_P): Remove.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * libgcc2.h, libgcc2.c (__ffsSI2): New.
        (__ffsDI2): Rename from __ffsdi2.
        * mklibgcc.in (lib2funcs): Add _ffssi2.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__paritysi2, __paritydi2): Replace last two reduction
        rounds with a "bit table" lookup.

2003-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Do not use the mode specified in the insn
        pattern as reload mode for address operands.  Do not generate optional
        reloads for operands where a mandatory reload was already pushed.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * longlong.h [alpha] (count_leading_zeros, count_trailing_zeros): Use
        builtins instead of inline assembly.

2003-02-04  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR c/9376
        * libgcc2.c (__subvdi3): Fix typo.

2003-02-04  Jan Hubicka  <jh@suse.cz>

        * i386.md (movti_rex64):  Fix constraint.

2003-02-04  Jan Hubicka  <jh@suse.cz>

        * i386.md (vector push splitters):  Fix typo in resolving conflict.

2003-02-04  Rodney Brown  <rbrown64@csc.com.au>

        * config/i386/i386.c (x86_function_profiler): Fix typo in format.

2003-02-04  Phil Edwards  <pme@gcc.gnu.org>

        * doc/install.texi (*-*-linux-gnu):  Mention glibc requirements
        for recent libstdc++.  Remove formatting cruft.

2003-02-04  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Add AT_comp_dir
        attribute even if input file name is absolute, but one of the
        includes is relative.

2003-02-04  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/gccint.texi, doc/gcov.texi,
        doc/include/fdl.texi, doc/invoke.texi: Update to GFDL 1.2.
        * doc/install.texi: Update copyright dates.  Update to GFDL 1.2.

2003-02-03  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2, __paritydi2): Change
        return type to "int".  Shuffle declarations and undef int trap.
        * libgcc2.h: Remove their declarations.
        * optabs.c (expand_unop): Force outmode to int for bitops.

2003-02-03  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (order_regs_for_local_alloc): Order the
        coprocessor registers before floating-point registers.
        * config/xtensa/xtensa.h (REG_ALLOC_ORDER): Adjust register numbers
        to account for a previously removed register.
        (SPEC_REG_FIRST, SPEC_REG_LAST, SPEC_REG_NUM, COUNT_REGISTER_REGNUM):
        Delete unused macros.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_store_builtin):  Always force op1 to register.
        (mov*_internal): Fix predicates; require one of operands to not be
        memory.
        (SSE?MMX move expanders):  Fix predicates; force one of operands to
        register.
        (SSE/MMX push patterns): Reorganize; fix x86-64 code generation.
        (movups/movupd/movdqu patterns): Force one of operands to not be
        memory.

2003-02-03  Roger Sayle  <roger@eyesopen.com>

        * hooks.c (hook_rtx_rtx_identity): Generic hook function that
        takes a single rtx and returns it unmodified.
        * hooks.h (hook_rtx_rtx_identity): Prototype here.
        * target.h (struct gcc_target): Add "delegitimize_address"
        field to target structure.
        * target-def.h (TARGET_DELEGITIMIZE_ADDRESS):  Provide default
        for delegitimize_address target using hook_rtx_rtx_identity.
        (TARGET_INITIALIZER): Initialize delegitimize_address field
        using TARGET_DELEGITIMIZE_ADDRESS macro.
        * simplify-rtx.c (avoid_constant_pool_reference): Handle float
        extensions of constant pool references.  Use delegitimize_address
        to undo the obfuscation of "-fpic".
        * Makefile.in (simplify-rtx.o): Add dependency on target.h.

        * config/i386/i386.c (TARGET_DELEGITIMIZE_ADDRESS): Define as
        i386_simplify_dwarf_addr.
        (ix86_find_base_term): Simplify using i386_simplify_dwarf_addr.
        (maybe_get_pool_constant): Likewise.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_int_movcc):  Fix setcc sign bit case.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * regclass.c (cannot_change_mode_set_regs): Correct argument order.

2003-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mips/_tilib.c: Don't include tsystem.h or defaults.h.  Don't
        define LIBGCC2_WORDS_BIG_ENDIAN.  Include coretypes.h and tm.h.

2003-02-02  Andreas Schwab  <schwab@suse.de>

        * varasm.c (asm_output_aligned_bss): Declare as possibly unused.

2003-02-02  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (sibcall_epilogue): Set the "conds" to "clob".
        (epilogue_insns): Likewise.

2003-02-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa*-hp-hpux11*): Update installation notes.

2003-02-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h (attr_length_millicode_call): Remove second argument.
        (attr_length_indirect_call, attr_length_indirect_call,
        attr_length_save_restore_dltp): New prototypes.
        * pa.c (attr_length_millicode_call): Remove second argument.  Check
        INSN_ADDRESSES_SET_P in distance calculation.
        (output_millicode_call): Check INSN_ADDRESSES_SET_P before using
        INSN_ADDRESSES.
        (attr_length_call): Check INSN_ADDRESSES_SET_P in distance calculation.
        (output_call): Check INSN_ADDRESSES_SET_P before using INSN_ADDRESSES.
        Call attr_length_call directly.
        (attr_length_indirect_call, output_indirect_call,
        attr_length_save_restore_dltp): New functions.
        * pa.md (attr_length_millicode_call): Drop second argument from all
        patterns.
        (return_internal_pic): Delete.
        (return_external_pic): Remove use of PIC register and pic operand and
        flag checks.
        (epilogue): Use return_internal for both normal and pic code.
        (call, call_value): Emit new 32-bit pic patterns for symref and
        indirect calls.  Remove uses for arg pointer and pic register.
        (call_symref_pic, call_symref_pic_post_reload, call_reg_pic,
        call_reg_pic_post_reload, call_val_symref_pic,
        call_val_symref_pic_post_reload, call_val_reg_pic,
        call_val_reg_pic_post_reload): New pre and post reload insn patterns.
        Implement define_split and define_peephole2 patterns for pre reload
        patterns.
        (call_symref_64bit, call_internal_reg_64bit, call_value_symref_64bit,
        call_value_internal_reg_64bit): Shorten names.
        (all call patterns): Explicitly indicate registers used and clobbered.
        Use attr_length_indirect_call and attr_length_save_restore_dltp for
        attribute length calculation.  Move code generation for indirect calls
        to output_indirect_call.
        (sibcall, sibcall_value): Don't restore PIC register.
        (exception_receiver, builtin_setjmp_receiver): Add blockage after PIC
        register retore.

2003-02-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Testing): Simplify and compress instructions
        concerning Dejagnu.

2003-02-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * collect2.c (pexecute_pid): Rename to pid.
        (collect_wait, collect_execute, scan_prog_file, scan_libraries): Use
        pid.

2003-02-01  Geoffrey Keating  <geoffk@apple.com>

        * doc/extend.texi (Function Attributes): Remove documentation
        for PowerPC Windows NT function attributes..

2003-02-01  Daniel Jacobowitz  <drow@mvista.com>

        * dwarf2out.c (gen_type_die): Check for typedefs before calling
        for TYPE_MAIN_VARIANT.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * libgcc2.c: Include auto-host.h.
        (ATTRIBUTE_HIDDEN): New.
        (__clz_tab): Don't declare here for clz and ctz.
        (__clzsi2, __clzdi2): Use count_leading_zeros.
        (__ctzsi2, __ctzdi2): Use count_trailing_zeros.
        (__popcount_tab): Mark ATTRIBUTE_HIDDEN.
        (__paritysi2, __paritydi2): Use shifts instead of __popcount_tab.
        * longlong.h (__clz_tab): Mark ATTRIBUTE_HIDDEN.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (addsi_1_zext splitter): Add TARGET_64BIT
        to the conditional.
        (ashlsi3_1_zext splitter): Likewise.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_unop): Use word_mode for outmode of bit scaners.
        * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2 __paritydi2): Change
        return type to Wtype.

        * libgcc-std.ver (GCC_3.4): Fix inheritance.

        * config/i386/i386.md (ffssi2): Use nonimmediate_operand for
        expander input constraint.

2003-02-01  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        * optabs.h (optab_index): Add OTI_clz, OTI_ctz, OTI_popcount and
        OTI_parity.
        (clz_optab, ctz_optab, popcount_optab, parity_optab): New.
        * optabs.c (widen_clz, expand_parity): New.
        (expand_unop): Handle clz and parity.  Hardcode SImode as outmode
        for libcalls to clz, ctz, popcount, and parity.
        (init_optabs): Init clz_optab, ctz_optab, popcount_optab and
        parity_optab, and set up libfunc handlers.
        * libgcc2.c (__clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2 __paritydi2,
        __popcount_tab): New.
        * libgcc2.h: Declare them.
        * libgcc-std.ver (GCC_3.4): Add new functions from libgcc2.c.
        * genopinit.c (optabs): Add clz_optab, ctz_optab, popcount_optab
        and parity_optab.
        * builtin-types.def (BT_FN_INT_LONG, BT_FN_INT_LONGLONG): New.
        * builtins.def (BUILT_IN_CLZ, BUILT_IN_CTZ, BUILT_IN_POPCOUNT,
        BUILT_IN_PARITY, BUILT_IN_FFSL, BUILT_IN_CLZL, BUILT_IN_CTZL,
        BUILT_IN_POPCOUNTL, BUILT_IN_PARITYL, BUILT_IN_FFSLL,
        BUILT_IN_CLZLL, BUILT_IN_CTZLL, BUILT_IN_POPCOUNTLL,
        BUILT_IN_PARITYLL): New.
        * builtins.c (expand_builtin_unop): Rename from expand_builtin_ffs
        and add optab argument.
        (expand_builtin): Expand BUILT_IN_{FFS,CLZ,POPCOUNT,PARITY}*.
        * tree.def (CLZ_EXPR, CTZ_EXPR, POPCOUNT_EXPR, PARITY_EXPR): New.
        * expr.c (expand_expr): Handle them.
        * fold-const.c (tree_expr_nonnegative_p): Likewise.
        * rtl.def (CLZ, CTZ, POPCOUNT, PARITY): New.
        * reload1.c (eliminate_regs): Handle them.
        (elimination_effects): Likewise.
        * function.c (instantiate_virtual_regs_1): Likewise
        * genattrtab.c (check_attr_value): Likewise.
        * simplify-rtx.c (simplify_unary_operation): Likewise.
        * c-common.c (c_common_truthvalue_conversion): Handle POPCOUNT_EXPR.
        * combine.c (combine_simplify_rtx): Handle POPCOUNT and PARITY.
        (nonzero_bits): Handle CLZ, CTZ, POPCOUNT and PARITY.
        * config/alpha/alpha.md (clzdi2, ctzdi2, popcountdi2): New.
        * config/arm/arm.c (arm_init_builtins): Rename __builtin_clz to
        __builtin_arm_clz.
        * Makefile.in (LIB2FUNCS_1, LIB2FUNCS_2): Move...
        * mklibgcc.in (lib2funcs): ...here and merge.  Add new members.
        * doc/extend.texi (Other Builtins): Add new builtins.
        * doc/md.texi (Standard Names): Add new patterns.

2003-02-01  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c: Revert 2003-01-31 change.

2003-02-01  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx):  Use reversed_comparison_code_parts.

2003-02-01  Richard Sandiford  <rsandifo@redhat.com>

        * flags.h (flag_volatile): Remove declaration.
        (flag_volatile_global, flag_volatile_static): Likewise.
        * c-typeck.c (build_indirect_ref): Don't check flag_volatile.
        * toplev.c (flag_volatile): Remove definition.
        (flag_volatile_global, flag_volatile_static): Likewise.
        (f_options): Remove corresponding entries here.
        * varasm.c (make_decl_rtl): Don't check flag_volatile_global
        or flag_volatile_static.
        * doc/invoke.texi: Remove documentation of -fvolatile,
        -fvolatile-global and -fvolatile-static.

2003-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_output_function_prologue, pa_output_function_epilogue): Move
        updating of total_code_bytes from prologue to epilogue.

2003-01-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Do not use the mode specified in the insn
        pattern as reload mode for address operands.  Do not generate optional
        reloads for operands where a mandatory reload was already pushed.
        Generate optional reloads only in the final pass though find_reloads.
        (have_replacement_p): New function.

2003-01-31  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Testing): Remove a reference to our obsolete
        /testresults web pages and strip redundant information concerning
        test results.
        (Binaries): Refer to Microsoft Windows instead of listing all
        possible variants.

2003-02-01  Jan Hubicka  <jh@suse.cz>

        * loop.c (emit_prefetch_instructions):  Do conversion at right place in
        RTL chain.

        * combine.c (simplify_set): Reverse order of ragumetns to
        REG_CANNOT_CHANGE_MODE_P
        * df.c (df_def_record_1): Likewise.
        * recog.c (register_operand): Likewise.
        * simplify-rtx.c (simplify_subreg): Likewise.
        * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Update use of
        CANNOT_CHANGE_MODE_CLASS.
        * regclass.c (cannot_change_mode_set_regs, invalid_mode_change_p):
        Likewise.
        * reload.c (push_reload): Likewise.
        * alpha.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * ia64.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * mips.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * mips-protos.h (mips_cannot_change_mode_class): Update prototype.
        * mips.c (mips_cannot_change_mode_class): Update.
        * pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * rs6000.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * s390.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * sh.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * sh-protos.h (sh_cannot_change_mode_class): Update prototype.
        * sh.c (sh_cannot_change_mode_class): Update.
        * i386.h (CANNOT_CHANGE_MODE_CLASS): New.
        * tm.texi (CANNOT_CHANGE_MODE_CLASS): Update documentation.

2003-01-31  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (LINK_COMMAND_SPEC): Update for Nathan's recent
        change to LINK_COMMAND_SPEC in gcc.c.

2003-01-31  Jan Hubicka  <jh@suse.cz>

        PR c/9506
        * i386.c (override_options): Use DEFAULT_PCC_STRUCT_RETURN.

2003-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa32-regs.h (REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Delete
        duplicated code.

2003-01-31  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (TYPE_BINFO_SIZE, TYPE_BINFO_SIZE_UNIT): Remove.
        (BINFO_ELTS): New #define.
        * stor-layout.c (finalize_record_size): Don't set them.
        * cp/cp-tree.h (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX,
        BINFO_PRIMARY_BASE_OF): Use BINFO_ELTS.
        (BINFO_LANG_ELTS): New #define.
        * cp/tree.c (make_binfo): Use BINFO_LANG_ELTS.
        * java/class.c (make_class): Use BINFO_ELTS.
        (set_super_info): Likewse.
        (add_interface_do): Likewise.
        * objc/objc-act.c (start_class): Use BINFO_ELTS.

2003-01-31 Danny Smith <dannysmith@users.sourceforge.net>

        * timevar.c (getrusage): Don't ever declare if not HAVE_GETRUSAGE.
        (times): Don't ever declare if not HAVE_TIMES.
        (clock): Don't ever declare if not HAVE_CLOCK.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * flow.c (update_life_info): Zap life info after cleanup_cfg.
        (regno_uninitialized): Use correct live at function entry set.
        (regno_clobbered_at_setjmp): Likewise.

        * expr.c (store_expr): Promote all MEM intermediates to regs.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c: Fix comment typos.
        * config/arm/arm.h: Likewise.
        * config/arm/netbsd-elf.h: Likewise.
        * config/arm/netbsd.h: Likewise.

2003-01-30  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct walk_type_data): Add needs_cast_p.
        (walk_type): Set needs_cast_p in walk_type_data.
        (write_types_process_field): Supply casts when required to suppress
        warnings.
        (write_root): Cast gt_pch_n_S to suppress warning.
        * Makefile.in: Remove -Wno-error from gtype-desc.o and c-decl.o.
        * config/rs6000/rs6000.c (print_operand): Mask off high bits only
        when they might exist.
        * config/rs6000/t-rs6000: Remove -Wno-error from varasm.o,
        insn-conditions.o, and rs6000.o.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * ggc-page.c (G.context_depth_allocations): New.
        (G.context_depth_collections): New.
        (alloc_page): Set G.context_depth_allocations.
        (ggc_collect): Set G.context_depth_collections.
        (ggc_push_context): Limit to HOST_BITS_PER_LONG contexts.
        (ggc_pop_context): Early exit for no allocations or collections.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * tree-inline.c (walk_tree): Streamline duplicate hash table lookup.

2003-01-30  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_compute_initial_elimination_offset): If optimizing for
        size, the link register is always saved if any other register is
        saved.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        compute_plussi_cc.
        (cpp_reader): Declare before it is used.
        * config/h8300/h8300.c (compute_plussi_cc): Change the return
        type to int.
        * config/h8300/h8300.md (monitor_prologue): Call abort() if we
        see an unknown H8 variant.

2003-01-30  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>

        PR target/9316
        * config/rs6000/rtems.h: Add CPP_OS_DEFAULT_SPEC.
        * config/rs6000/sysv4.h: Add CPP_OS_RTEMS_SPEC.
        * config/rs6000/t-rtems: New file. multilib variants to match OS.
        * config.gcc (powerpc-*-rtems*): Use rs6000/t-rtems instead of
        rs6000/t-ppcgas so we get the desired multilibs.

2003-01-30  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_output_epilogue): Update stack pointer
        when popping saved IP register off the stack.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/aix43.h: Fix comment typos.
        * config/rs6000/aix51.h: Likewise.
        * config/rs6000/aix52.h: Likewise.
        * config/rs6000/altivec.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/rs6000.md: Likewise.
        * config/rs6000/spe.md: Likewise.

2003-01-29  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (builtin_define_float_constants): Define
        __<TYPE>_HAS_INFINITY__ and __<TYPE>_HAS_QUIET_NAN__.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/lib1funcs.asm: Fix comment typos.
        * config/sh/linux.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.md: Likewise.

2003-01-30  Loren James Rittle  <ljrittle@acm.org>

        * objc/Make-lang.in (objc-parse.y): Find c-parse.in in $(srcdir).

2003-01-30  Alexandre Oliva  <aoliva@redhat.com>

        * config/fp-bit.h (__make_dp): Declare if TMODES.

2003-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (PREDICATE_CODES): Add entries for
        general_operand_src and general_operand_dst.

2003-01-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (function_arg_pass_by_reference):
        Return true for variable sized types.
        (rs6000_va_arg): Handle variable sized types passed by reference
        on non-SVR4 ABI.

2003-01-29  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legtimize_address): New function.
        * arm-protos.h (arm_legtimize_address): Add prototype.
        * arm.h (ARM_LEGITIMIZE_ADDRESS): Use arm_legitimize_address.
        (LEGITIMIZE_ADDRESS, THUMB_LEGITIMIZE_ADDRESS): Wrap with
        do ... while (0)

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9296
        * gthr-rtems.h: Define __GTHREAD_MUTEX_INIT.  Apparently no code
        depended on it being defined until now.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR target/9295
        * config/mips/rtems.h: Predefine __USE_INIT_FINI__ so generic
        RTEMS code knows which C++ initialization style the toolset
        configuration is using.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9293
        * config/m68k/t-crtstuff: Replace spaces with tabs, add
         $(MULTILIB_CFLAGS) as compiler option and multilib crtbegin/end.o.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9292
        * config.gcc (hppa1.1-rtems):  Did not include t-rtems nor enable
        RTEMS threads.
        * config/pa/rtems.h (LIB_SPEC): Use -N when linking.

2003-01-29  Nick Clifton  <nickc@redhat.com>

        * Makefile.in (c-parse.o): Locate source file in $(parsedir)
        not $(srcdir).

2003-01-29  Andrew Haley  <aph@redhat.com>

        * tree-inline.c (walk_tree): Add CHAR_TYPE.

2003-01-29  Jan Hubicka  <jh@suse.cz>

        * i386.md (subdi3_carry_rex64): Fix typo.

2003-01-28  Stan Shebs  <shebs@apple.com>

        * coretypes.h (cpp_reader): Forward declare struct.
        * c-pragma.h (cpp_reader): Remove forward declaration.
        * hashtable.h (cpp_reader): Likewise.
        * scan.h (cpp_reader): Likewise.
        * tree.h (cpp_reader): Likewise.
        * config/darwin-protos.h (cpp_reader): Likewise.
        * config/arm/arm-protos.h (cpp_reader): Likewise.
        * config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
        struct cpp_reader in prototypes.

2003-01-28  Christian Cornelssen  <ccorn@cs.tu-berlin.de>

        * doc/install.texi: Add documentation for installation into
        tooldirs and with DESTDIR.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * config.gcc (ia64*-*-aix*): Remove.
        * config/ia64/aix.h, config/ia64/t-aix: Remove file.
        * config/ia64/unwind-aix.c: Remove file.

2003-01-28  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (tablejump+2): Don't sign extend an address
        register.
        * config/m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/coff.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/mot3300.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/pbb.h (ASM_RETURN_CASE_JUMP): Likewise.

2003-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (nonzero_bits): Fix check for negative divide operands.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_rwreloc_section_type_flags): New.
        * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): New.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * cse.c (find_best_addr): Kill !ADDRESS_COST code.

        * config/cris/cris.c (cris_address_cost): Make static.
        (TARGET_RTX_COSTS, TARGET_ADDRESS_COST): New.
        * config/cris/cris.h (ADDRESS_COST): Remove.
        * config/cris/cris-protos.h: Update.

2003-01-23  Mike Stump  <mrs@apple.com>

        * regclass.c (init_reg_autoinc): New function.
        (regclass): Move initialization of forbidden_inc_dec_class from
        here...
        (init_regs): to here.  Avoids reinitialization for each function,
        saving compilation time.

2003-01-28  Jason Merrill  <jason@redhat.com>

        * cpplib.h (struct cpp_options): Add warn_deprecated field.
        * cppinit.c (cpp_create_reader): Turn it on by default.
        * c-opts.c (c_common_decode_option): Set it.
        * cpplib.c (do_pragma_once): Only complain about #pragma once
        if warn_deprecated is set.

2003-01-28  Dale Johannesen  <dalej@apple.com>

        * emit-rtl.c (const_double_htab_hash):  Use mode in the hash.
        * loop.c (scan_loop):  Move movables on -Os rich-register targets.
        * config/rs6000/rs6000.md (sibcall*):  Use match_operand for LR.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * target.h (targetm.address_cost): New.
        * target-def.h (TARGET_ADDRESS_COST): New.
        (TARGET_RTX_COSTS): Uncomment.  Oops.
        * cse.c (address_cost): Use new target hook.
        (default_address_cost): New.
        * output.h (default_address_cost): Declare.
        * hooks.c (hook_int_rtx_0): New.
        * hooks.h (hook_int_rtx_0): Declare.
        * loop.c (combine_givs_p): Remove if 0 code.
        * system.h (ADDRESS_COST): Poison.

        * config/alpha/alpha.c, config/alpha/alpha.h, config/d30v/d30v.c,
        config/d30v/d30v.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m32r/m32r.c, config/m32r/m32r.h, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/sparc/sparc.c,
        config/sparc/sparc.h, config/v850/v850.c, config/v850/v850.h,
        config/xtensa/xtensa.c, config/xtensa/xtensa.h
        (TARGET_ADDRESS_COST): Define as hook_int_rtx_0.
        (ADDRESS_COST): Remove.

        * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
        config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/i386/i386-protos.h,
        config/i386/i386.c, config/i386/i386.h, config/i960/i960-protos.h,
        config/i960/i960.c, config/i960/i960.h, config/ip2k/ip2k-protos.h,
        config/ip2k/ip2k.c, config/ip2k/ip2k.h, config/mips/mips-protos.h,
        config/mips/mips.c, config/mips/mips.h,
        config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.h, config/ns32k/ns32k-protos.h,
        config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-protos.h,
        config/pa/pa.c, config/pa/pa.h, config/s390/s390-protos.h,
        config/s390/s390.c, config/s390/s390.h, config/vax/vax-protos.h,
        config/vax/vax.c, config/vax/vax.h
        (foo_address_cost): Make static.
        (TARGET_ADDRESS_COST): New.
        (ADDRESS_COST): Remove.

        * config/arm/arm.h, config/arm/arm.c, config/m88k/m88k.h,
        config/m88k/m88k.c, config/romp/romp.h, config/romp/romp.c,
        config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
        config/stormy16/stormy16.h
        (ADDRESS_COST): Move code ...
        (foo_address_cost): ... here.
        (TARGET_ADDRESS_COST): New.

        * config/m32r/m32r.c (m32r_address_cost): Remove.
        * config/m32r/m32r-protos.h: Update.

        * config/mmix/mmix.c (mmix_address_cost): Remove.
        * config/mmix/mmix-protos.h: Update.

        * config/mn10300/mn10300.c (mn10300_address_cost_1): Rename from
        mn10300_address_cost; move unsig allocation ...
        (mn10300_address_cost): ... here.
        (TARGET_ADDRESS_COST): New.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (ADDRESS_COST): Remove.

        * doc/tm.texi: Update.

2003-01-28  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_insn): Return necessary cycle advance
        after issuing the insn.
        (rank_for_schedule): Make a insn with /S the highest priority
        insn.
        (move_insn): Ignore schedule groups.  Clear SCHED_GROUP_P.
        (choose_ready): Check SCHED_GROUP_P.
        (schedule_block): Advance cycle after issuing insn if it is
        necessary.  Don't reorder insns if there is an insn with /S.
        (set_priorities): Ignore schedule groups.

        * sched-deps.c (remove_dependence, group_leader): Remove the
        functions.
        (add_dependence): Ignore schedule groups.
        (set_sched_group_p): Don't make copy of dependencies from previous
        insn of the schedule group.  Add anti-dependency to the previous
        insn of the schedule group.
        (compute_forward_dependences): Ignore schedule groups.

        * sched-ebb.c (init_ready_list): Ignore schedule groups.

        * sched-rgn.c (init_ready_list): Ditto.
        (can_schedule_ready_p): Ditto.

2003-01-28  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/i386.md (*movsi_1): Use movdqa to move one xmm
        register to another one.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * calls.c (default_must_pass_in_stack): Fix typo in !type case.

2003-01-28  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Avoid redundant REG_EQUAL notes.

2003-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/sh/sh.h (CLASS_MAX_NREGS): If TARGET_SHMEDIA, and the given
        class contains a floating-point register, return the size of the
        mode in half words.

2003-01-28  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_carry_flag_operator):  New predicate.
        (fcmov_operator): Fix whitespace.
        (ix86_expand_carry_flag_compare):  Deal with floating point.
        (ix86_expand_int_movcc): Deal with fp; update insn expansion
        (ix86_expand_int_addcc): Likewise.
        (ix86_expand_strlensi_unroll_1): likewsie.
        * i386.h (PREDICATE_CODES): Add ix86_carry_flag_operator.
        * i386.md (add?i_carry_rex64): Use new predicate.
        (sub?i3_carry_rex64): Likewise.
        (x86_mov?icc_0_m1*): Likewise.

2003-01-28  Andreas Schwab  <schwab@suse.de>

        * cfgloopmanip.c (create_preheader): Initialize src to avoid
        warning.

        * expmed.c (emit_store_flag): Fix cast to avoid sign
        comparison warning.

        * combine.c (force_to_mode): Add cast to fix warning when
        STORE_FLAG_VALUE is negative.

2003-01-27  Richard Henderson  <rth@redhat.com>

        * Makefile.in (cse.o): Depend on TARGET_H.
        * cse.c (rtx_cost): Use targetm.rtx_costs.
        * system.h (CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS): Poison.
        * doc/tm.texi: Update.

        * target.h (targetm.rtx_costs): New.
        * target-def.h (TARGET_RTX_COSTS): New.
        * hooks.c (hook_bool_rtx_int_int_intp_false): New.
        * hooks.h: Update.

        * config/alpha/alpha.c (alpha_rtx_cost_data): New.
        (alpha_rtx_costs, TARGET_RTX_COSTS): New.
        * config/alpha/alpha.h (PROCESSOR_MAX): New.
        (CONST_COSTS, RTX_COSTS): Remove.

        * config/arc/arc.c, config/arc/arc.h, config/c4x/c4x.c,
        config/c4x/c4x.h, config/cris/cris.c, config/cris/cris.h,
        config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/frv/frv.c, config/frv/frv.h,
        config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
        config/i370/i370.h, config/i386/i386.c, config/i386/i386.h,
        config/i960/i960.c, config/i960/i960.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68k/m68k.c, config/m68k/m68k.h, config/m88k/m88k.c,
        config/m88k/m88k.h, config/mcore/mcore.c, config/mcore/mcore.h,
        config/mips/mips.c, config/mips/mips.h, config/mn10200/mn10200.c,
        config/mn10200/mn10200.h, config/mn10300/mn10300.c,
        config/mn10300/mn10300.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h,
        config/pa/pa.c, config/pa/pa.h, config/pdp11/pdp11.c,
        config/pdp11/pdp11.h, config/romp/romp.c, config/romp/romp.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/s390/s390.c,
        config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
        config/stormy16/stormy16.c, config/stormy16/stormy16.h,
        config/v850/v850.c, config/v850/v850.h,
        config/xtensa/xtensa.c, config/xtensa/xtensa.h
        (CONST_COSTS, RTX_COSTS): Move code ...
        (foo_rtx_costs, TARGET_RTX_COSTS): ... here.

        * config/arm/arm.c (arm_rtx_costs_1): Rename from arm_rtx_costs.
        (arm_rtx_costs, TARGET_RTX_COSTS): New.
        * config/arm/arm-protos.h: Update.
        * config/arm/arm.h (DEFAULT_RTX_COSTS): Remove.

        * config/avr/avr.h (CONST_COSTS): Move code ...
        * config/avr/avr.c (avr_rtx_costs): ... here.
        (default_rtx_costs): Make static.
        * config/avr/avr-protos.h: Update.

        * config/h8300/h8300.c (const_costs): Make static.
        (h8300_and_costs, h8300_shift_costs): Likewise.
        * config/h8300/h8300-protos.h: Update.

        * config/ip2k/ip2k.h (DEFAULT_RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/ip2k/ip2k.c (ip2k_rtx_costs): ... here.  Rename from
        default_rtx_costs; update for signature change.
        * config/ip2k/ip2k-protos.h: Update.

        * config/m68hc11/m68hc11.h (RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/m68hc11/m68hc11.c (m68hc11_rtx_costs): ... here.
        (TARGET_RTX_COSTS): New.
        (m68hc11_rtx_costs_1): Rename from m68hc11_rtx_costs; make static.
        * config/m68hc11/m68hc11-protos.h: Update.

        * config/m68k/m68k.c (const_int_cost): Make static.
        * config/m68k/m68k-protos.h: Update.

        * config/mcore/mcore.c (mcore_const_costs): Make static.
        (mcore_and_cost, mcore_ior_cost): Likewise.
        * config/mcore/mcore-protos.h: Update.

        * config/mmix/mmix.c (mmix_rtx_costs, TARGET_RTX_COSTS): New.
        (mmix_rtx_cost_recalculated): Remove.
        * config/mmix/mmix.h (DEFAULT_RTX_COSTS): Remove.
        * config/mmix/mmix-protos.h: Update.

        * config/sh/sh.c (shiftcosts): Make static.
        (addsubcosts, andcosts, multcosts): Likewise.
        * config/sh/sh-protos.h: Update.

        * config/sparc/sparc.c (TARGET_RTX_COSTS): New.
        (sparc_rtx_costs): Make static; update for change in signature.
        * config/sparc/sparc.h (RTX_COSTS_CASES, RTX_COSTS): Remove.
        * config/sparc/sparc-protos.h: Update.

        * config/v850/v850.c (const_costs): Make static.
        * config/v850/v850-protos.h: Update.

        * config/vax/vax.h (RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/vax/vax.c (vax_rtx_costs_1): ... here; rename
        from vax_rtx_cost.
        (vax_rtx_costs, TARGET_RTX_COSTS): New.

2003-01-27  Richard Henderson  <rth@redhat.com>

        * config/vax/vax.h (ASM_OUTPUT_MI_THUNK): Remove.  Really.
        * config/vax/vax-protos.h: Update.  Really.

2003-01-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (UNITS_PER_HWFPVALUE): Renamed from...
        (UNITS_PER_FPVALUE): Defined as the width of a long double, or
        zero if no hardware floating point.
        (LONG_DUBLE_TYPE_SIZE): Set to 128 on N32 and N64.
        (MAX_FIXED_MODE_SIZE): Define to LONG_DOUBLE_TYPE_SIZE.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
        (BIGGEST_ALIGNMENT): Same as LONG_DOUBLE_TYPE_SIZE.
        (FUNCTION_VALUE_REGNO_P): Set for FP_RETURN+2 on N32 and N64.
        * config/mips/mips.c (mips_arg_info): Pass TFmode values in
        even FP registers on N32 and N64.
        (mips_setup_incoming_varargs): Use UNITS_PER_HWFPVALUE.
        (mips_va_start): Adjust alignment of ARG_POINTER_REGNUM.
        (mips_va_arg): Use UNITS_PER_HWFPVALUE.  Impose additional
        even-register-like alignment to 128-bit arguments.
        (save_restore_insns): Use UNITS_PER_HWFPVALUE.
        (mips_function_value): Likewise.  Return TFmode in $f0 and $f2
        on N32 or N64.
        * config/mips/_tilib.c (__negti2, __ashlti3, __lshrti3): New.
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Add _tilib.c.
        (TPBIT): Set to tp-bit.c.
        (tp-bit.c): Create out of fp-bit.c.

2003-01-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-parse.in: Remove '%expect 32' directive in objc mode.

2003-01-27  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (LIB2FUNCS_ST): Remove _gcov.
        (LIBGCOV): New variable.
        (libgcc.mk): Add LIBGCOV.
        (LIBGCC_DEPS): Add libgcov.c.
        (libgcov.a): New target.
        (clean): Remove libgcov.a.
        (install-libgcc): Do libgcov too.
        (stage1-start, stage2-start, stage3-start, stage4-start): Deal
        with libgcov.a.
        * libgcc2.c (L_gcov): Move into ...
        * libgcov.c: ... here. New file.
        * mklibgcc.in: Add libgcov rules.
        * gcc.c (LINK_COMMAND_SPEC): Add -lgcov when profiling.

        * doc/invoke.texi (profile-arcs, test-coverage): Update and
        clarify.

        * profile.c (index_counts_file): Remove duplicate check for open file.

2003-01-27  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): Group together
        optional and experimental flags.  Move trapv and bounds-check
        out of this section.  Group floating point flags together.
        (Code Gen Options): Move trapv and bounds-check to here.

2003-01-27  Josef Zlomek  <zlomekj@suse.cz>

        * gcse.c (constprop_register): Check NEXT_INSN (insn) != NULL.

2003-01-27  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/9090
        * function.c (purge_addressof_1): After pushing an addressed register
        onto the stack, simplify the result.

2003-01-27  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/extend.texi: Fix typo.

2003-01-27  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/cppopts.texi: Fix typo.
        * doc/objc.texi: Likewise.
        * doc/passes.texi: Likewise.

2003-01-27  Alexandre Oliva  <aoliva@redhat.com>

        * real.c (ibm_extended_format): Add 53 to minimum exponent.
        (encode_ibm_extended): Adjust.

2003-01-26  Gabriel Dos Reis  <gdr@soliton.integrable-solutions.net>

        * timevar.def (TV_OVERLOAD, TV_TEMPLATE_INSTANTIATION): New
        timevar_id enumerations.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c: Fix formatting.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/gccint.texi: Update the copyright.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/cpp.texi: Fix typos.
        * doc/extend.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/tm.texi: Likewise.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/fde-glibc.c: Fix comment typos.
        * config/ia64/hpux.h: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-modes.def: Fix comment typos.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.md: Likewise.

2003-01-26  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * config/avr/avr.h, config/cris/aout.h, config/elfos.h,
        config/i386/freebsd-aout.h, config/mips/iris6.h: Undefine
        ASM_FINISH_DECLARE_OBJECT before defining it.
        * toplev.c (rest_of_decl_compilation):  Don't define
        ASM_FINISH_DECLARE_OBJECT.  Only use it if it is defined.
        (rest_of_type_compilation): Don't ATTRIBUTE_UNUSED function
        parameters for DWARF2 targets because they _are_ used.

2003-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * fp-bit.h: Define macros for TFmode floating-point constants
        in IBM-extended TFmode types.
        (TMODES): Define if __LDBL_MANT_DIG__ has the newly-supported
        widths.
        * config/fp-bit.c (pack_d, unpack_d): Support IBM-extended
        TFmode type.

        * config/fp-bit.h: Define macros for TFmode floating-point
        constants in IEEE quad TFmode type.  Declare functions according
        to L_ macros.
        (TMODES): Define if __LDBL_MANT_DIG__ is 113.
        (TFtype, TItype, UTItype): Define if TMODES is defined.
        (MAX_UDI_INT, MAX_DI_INT, BITS_PER_DI): Likewise.
        (F_T_BITOFF, D_T_BITOFF): Define.
        (IMPLICIT_1, IMPLICIT_2): Cast constants to types that are
        guaranteed to be wide enough.
        * config/fp-bit.c: Check for L_ macros for tf functions.
        (__thenan_tf): New.
        (nan): Adjust.
        (pack_d, unpack_d): Support IEEE 854 quad type.
        (_fpmul_parts): Support TFmode.  Compute exponent adjustment
        from FRAC_NBITS, FRAC_BITS and NGARDS.
        (usi_to_float): Cast constants to be shifted to fractype
        instead of assuming long long is wide enough.
        (sf_to_tf, df_to_tf, __make_tp, tf_to_df, tf_to_sf): New.

2003-01-26  Andreas Jaeger  <aj@suse.de>

        * df.c: Remove prototype of unused function df_regno_rtl_debug.

2003-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (FPBIT_FUNCS): Added _sf_to_tf.
        (DBBIT_FUNCS): Added _df_to_tf.
        (TPBIT_FUNCS): New.
        (libgcc.mk): Pass TPBIT and TPBIT_FUNCS down.
        (LIBGCC_DEPS): Added TPBIT.
        * mklibgcc.in: Support TPBIT and TPBIT_FUNCS.

        * optabs.c (expand_binop) <add, sub>: Return xtarget if we haven't
        been able to move the result to target.

        * expr.c (emit_group_store): Initialize dst with CONST0_RTX
        for the appropriate mode.

        * calls.c (emit_library_call_value_1): Handle return values
        in a PARALLEL.

        * rtl.c (get_mode_alignment): Moved to...
        * stor-layout.c: ... here.

        * print-rtl.c (print_rtx): Don't print MEM details in
        GENERATOR_FILEs.

2003-01-26  Michael Hayes  <mph@paradise.net.nz>

        * df.h: Update comments, tidy formatting.
        (DF_FORWARD, DF_REVERSE, DF_UNION, DF_INTERSECTION): Rename from FORWARD,
        REVERSE, UNION, INTERSECTION.  All uses updated.
        (OLD_DF_INTERFACE): Remove.
        (struct insn_info): Remove commented out insn field.
        * df.c: Update comments, tidy formatting.
        (df_def_table_realloc): Remove.


2003-01-26  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (save_fixed_argument_area): Tidy.
        (restore_fixed_argument_area): Tidy.  Set alignment of stack_area.
        (expand_call): Comment typo fixes.  Don't init low_to_save.  Start
        call chain loop at 1 if !try_tail_call.  Formatting.
        (emit_library_call_value_1): Don't init low_to_save or high_to_save.
        Use save_fixed_argument_area and restore_fixed_argument_area.

2003-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * df.c (df_uses_record): Handle CC0.

2003-01-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (maybe_memory_address_p): New function.
        (find_reloads_address): Use it instead of memory_address_p.

2003-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        * final.c (shorten_branches): Align the address of code label
        when computing initial lengths and addresses.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68hc11/m68hc11.md: Fix a comment typo.

2003-01-25  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (x86_output_mi_thunk): Correct test for
        TARGET_MACHO.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (bypass_last_basic_block): New global variable.
        (bypass_block):  Use redirect_edge_and_branch_force to redirect
        fall-through edges.  Use bypass_last_basic_block to determine
        which blocks have valid PRE information.
        (bypass_conditional_jumps): Initialize bypass_last_basic_block.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * gcse.c (local_cprop_pass): Update reg_sets table when needed.

2003-01-25  Jan Hubicka  <jh@suse.cz>
                              Eric Botcazou <ebotcazou@libertysurf.fr>
        PR opt/8492
        * gcse.c (one_cprop_pass): Delete unreachable blocks.

2003-01-25  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_rwreloc_select_rtx_section): Rename
        from ia64_aix_select_rtx_section.
        (ia64_rwreloc_select_section): Simlarly; use default*_1 function
        instead of saving and restoring flag_pic.
        (ia64_rwreloc_unique_section): Similarly.
        * config/ia64/aix.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Update.
        * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): New.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_shift_needs_scratch_p): Update a
        comment.

2003-01-25  Richard Henderson  <rth@redhat.com>

        * config/m68k/m68k-none.h (ASM_SPEC): Adjust inter-option spacing.

2003-01-25  Kelley Cook <kelleycook@comcast.net>

        * ggc-simple.c (debug_ggc_tree): Add PTR cast.

2003-01-25  Segher Boessenkool  <segher@koffie.nl>

        * bitmap.h (BITMAP_WORD): New typedef: fundamental storage
        type for bitmaps.  Use unsigned long.
        (nBITMAP_WORD_BITS): New macro.
        (BITMAP_WORD_BITS): New macro.
        (rest of file): Use it.
        * bitmap.c: Use it.

2003-01-25  Richard Henderson  <rth@redhat.com>

        2002-02-19  Robert Lipe  <robertlipe@usa.net>
        * config/i386/t-sco5gas: (CRTSTUFF_T_CFLAGS_S): Delete -mcoff.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (purge_builtin_constant_p): Scan insn stream
        sequentially rather than by basic block.
        * function.c (purge_addressof): Simplify test with INSN_P.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_comparison, case AND): Remove a redundant test.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * function.h (struct function): New field calls_constant_p.
        (current_function_calls_constant_p): New macro for above.
        * function.c (prepare_function_start): Initialize calls_eh_return
        and calls_constant_p.
        * builtins.c (expand_builtin_constant_p): Set calls_constant_p.
        * toplev.c (rest_of_compilation): Only call purge_builtin_constant_p
        when the current_function_calls_constant_p.
        * integrate.c (expand_inline_function): Set calls_constant_p if
        the function being inlined has calls_constant_p set.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * cse.c (fold_rtx): Instantiate CONSTANT_P_RTX to 0 when not
        optimizing, even if flag_gcse is true.
        * toplev.c (rest_of_compilation): purge_builtin_constant_p
        only needs to be called when "optimize > 0 && flag_gcse".

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * stmt.c (emit_case_bit_tests): New routine to implement suitable
        switch statements using the equivalent of "if ((1<<x) & cst) ... ".
        (case_bit_test_cmp): New comparison function for "qsort" to order
        case_bit_tests by decreasing number of destination nodes.
        (lshift_cheap_p): New function to determine if "1 << x" is cheap.
        (expand_end_case_type): Use emit_case_bit_tests to implement
        suitable switch statments.
        (CASE_USE_BIT_TESTS): New target macro to disable the above.
        * Makefile.in (stmt.o): Add dependency on optab.h.
        * doc/tm.texi (CASE_USE_BIT_TESTS): Document new target macro.

2003-01-23  Andreas Schwab  <schwab@suse.de>

        * config/ia64/crtend.asm [HAVE_INITFINI_ARRAY]: Make
        __do_global_ctors_aux hidden global and don't put it in
        .init_array.
        * config/ia64/crtbegin.asm [HAVE_INITFINI_ARRAY]: Put it here
        instead so that it comes first.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
        subreg is read/modify.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_movstr, ix86_expand_clrstr): Consistently
        do libcall for large blocks.
        * i386.md (comi patterns): Set type to ssecomi.
        (sse2_unpck?pd): Fix mode of vec_select.

        * cse.c: Include except.h
        (cse_set_around_loop):  Do not create new basic blocks.
        * Makefile.in (cse.o): Add dependnecy on except.h

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_trunc_transparent_mathfn): New function.
        (fold_builtin): Use it.
        * convert.c (convert_to_real): Re-enable code to convert
        math functions; add support for floor familly functions.

2003-01-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (cfgloop.o, cfgloopanal.o, cfgloopmanip.o): Add
        dependencies on coretypes.h and $(TM_H).

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_trunc_transparent_mathfn):  Undo accidental commit.

2003-01-24  Stuart Hastings  <stuart@apple.com>

        * config/i386/i386.c (x86_output_mi_thunk): Add Darwin/x86 support.

2003-01-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (UNSPEC_BU): New constants.
        (UNSPEC_RPTS, UNSPEC_LSH, UNSPEC_CMPHI, UNSPEC_RCPF): Likewise.
        (UNSPEC_RND, UNSPEC_RPTB_FILL, UNSPEC_LOADHF_INT): Likewise.
        (UNSPEC_STOREHF_INT, UNSPEC_RSQRF, UNSPEC_LOADQF_INT): Likewise.
        (UNSPEC_STOREQF_INT, UNSPEC_LDIV, UNSPEC_PUSH_ST):  Likewise.
        (UNSPEC_POP_ST, UNSPEC_PUSH_DP, UNSPEC_POP_DP):  Likewise.
        (UNSPEC_POPQI, UNSPEC_POPQF, UNSPEC_ANDN_ST):  Likewise.
        (UNSPEC_RPTB_INIT, UNSPEC_TOIEEE, UNSPEC_FRIEEE):  Likewise.

2003-01-24  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (reg_attrs_htab): New static variable.
        (reg_attrs_htab_hash, reg_attrs_htab_eq, get_reg_attrs): New static
        functions.
        (reg_rtx): Do not maintain regno_decl.
        (gen_rtx_REG_offset, set_reg_attrs_from_mem, set_delc_rtx,
        set_mem_attrs_from_reg): New global function.
        (init_emit): Do not initialize regno_decl.
        (init_emit_once): initialize reg_attrs_htab.
        * final.c (alter_subreg): Do not replace REG by SUBREG.
        (gen_mem_expr_from_op): Improve output.
        (output_asm_operands): Likewise.
        * function.c (assign_params): Do not set REGNO_DECL.
        * function.h (struct function): Kill regno_decl.
        (REGNO_DECL): Kill.
        * gengtype.c (adjust_field_rtx_def): Handle new field of reg.
        * print_rtl.c (print_rtx): Output REG information.
        * regclass.c (reg_scan_mark_refs): Update attrs.
        * reload1.c (alter_reg): Likewise.
        * simplify_rtx.c (simplify_subreg): Likewise.
        * stmt.c (expand_decl): Likewise.
        * rtl.def (REG): Add new field.
        * rtl.h (struct reg_attrs): New.
        (rtunion_def): At rtreg.
        (X0MEMATTR): Add checking.
        (X0REGATTR, REG_ATTRS, REG_EXPR, REG_OFFSET): New macro.
        (set_reg_attrs_from_mem, set_mem_attrs_from_reg, gen_rtx_REG_offset):
        Declare.
        * tree.h (SET_DECL_RTL): Call set_decl_rtl.

2003-01-24  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c: Remove unused include of machmode.h.
        (xtensa_emit_call, print_operand): Fix printf format strings
        to avoid compile warnings.
        (xtensa_function_prologue, xtensa_function_epilogue): Change type
        of "size" argument to HOST_WIDE_INT to fix compile warnings.
        * config/xtensa/xtensa-protos.h
        (xtensa_function_prologue, xtensa_function_epilogue): Ditto.

2003-01-24  Jan Hubicka  <jh@suse.cz>

        * builtins.c (DEF_BUILTIN): Accept 10 arguments.
        (implicit_built_in_decls): New global array.
        (mathfn_built_in): New global function.
        (fold_trunc_transparent_mathfn): New static function
        (expand_builtin_strstr, expand_bultin_strchr,
        expand_builtin_strpbrk, expand_builtin_strcpy,
        expand_builtin_strncpy, expand_bultin_strcmp,
        expand_bultin_strncat, expand_builtin_fputs): Use
        implicint_built_in_decls.
        (fold_builtin): Fold floor/trunc/round/ceil/nearbyint.
        * builtins.def: Fix comments.
        (DEF_GCC_BUILTIN, DEF_FALLBACK_BUILTIN, DEF_EXT_FALLBACK_BUILTIN,
        DEF_LIB_BUILTIN, DEF_LIB_ALWAYS_BUILTIN, DEF_EXT_LIB_BUILTIN,
        DEF_C99_BULTIN, DEF_FRONT_END_LIB_BUILTIN,
        DEF_EXT_FRONT_END_LIB_BUILTIN): Pass implicit as needed.
        (DEF_C99_C90RES_BULTIN): New.
        (*f, *l builtins): Update.
        * c-common.c (DEF_BUILTIN): Initialize implicit array.
        (c_expand_builtin_printf, c_expand_builtin_fprintf): Update.
        * convert.c (strip_float_extensions): New global function.
        * tree.h (DEF_BUILTIN): Accept 10 arguments.
        (implicit_built_in_decls, mathfn_built_in, strip_float_extension):
        Declare.
        * java/builtins.c (define_builtin): Handle implicit.
        (DEF_BUILTIN): Update.
        * tm.texi (TARGET_C99_FUNCTIONS): Document.
        * defaults.h (TARGET_C99_FUNCTIONS): Default to 0.
        * config/linux.h (TARGET_C99_FUNCTIONS): Default to 1
        when using glibc2.

2003-01-24  Bob Wilson  <bob.wilson@acm.org>

        * config.gcc (xtensa-*-elf*): Removed assignments to with_newlib,
        extra_parts, and fixincludes.  Add xtensa/t-elf tmake_file.
        (xtensa-*-linux*): Add xtensa/t-linux tmake_file.
        * config/xtensa/crti.asm: New file.
        * config/xtensa/crtn.asm: New file.
        * config/xtensa/t-elf: New file.
        * config/xtensa/t-linux: New file.
        * config/xtensa/t-xtensa: Add rules for crti.o and crtn.o.
        Move various CFLAGS settings to new t-elf file.

2003-01-24  Richard Henderson  <rth@redhat.com>

        PR optimization/4382
        * tree-inline.c (find_builtin_longjmp_call_1): New.
        (find_builtin_longjmp_call): New.
        (inlinable_function_p): Use it.

2003-01-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * config/i386/i386-protos.h (function_arg_pass_by_reference): Declare.
        * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use it.
        * config/i386/i386.c (function_arg_pass_by_reference): New.
        (ix86_va_arg): Support arguments passed by reference.

2003-01-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopanal.c: New file.
        * cfgloopmanip.c: New file.
        * Makefile.in (cfgloopanal.o, cfgloopmanip.o): New.
        (toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o,
        cfglayout.o): Add dependency on cfgloop.h.
        (cfgloop.o): Add flags.h dependency.
        * basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags.
        (VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed.
        (struct loop, struct loops, flow_loops_find, flow_loops_update,
        flow_loops_free, flow_loops_dump, flow_loop_dump,
        flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove,
        LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
        LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p,
        flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge,
        loop_latch_edge, add_bb_to_loop, remove_bb_from_loops,
        find_common_loop, verify_loop_structure): Declarations moved to ...
        * cfgloop.h: New file.
        * bb-reorder.c (reorder_basic_blocks): Modified.
        * cfglayout.c: Include cfgloop.h.
        (cleanup_unconditional_jumps, cfg_layout_redirect_edge,
        cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure.
        (break_superblocks): New static function.
        (cfg_layout_finalize): Use it.
        (cfg_layout_split_block): New function.
        * cfglayout.h (struct reorder_block_def): Add copy and duplicated
        fields.
        (cfg_layout_initialize, cfg_layout_redirect_edge): Declaration
        changed.
        (cfg_layout_split_block): Declare.
        * cfgloop.c: Include cfgloop.h and flags.h.
        (flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find,
        get_loop_body): Avoid signed versus unsigned comparison warnings.
        (make_forwarder_block, flow_loops_find, loop_preheader_edge,
        loop_latch_edge): Modified.
        (verify_loop_structure): Modified to use flags stored in loop structure;
        check irreducible loops.
        (cancel_loop, cancel_loop_tree): New functions.
        (estimate_probability): Use loop analysis code for predictions.
        (estimate_loops_at_level):  Avoid signed versus unsigned comparison
        warnings.
        * doloop.c: Include cfgloop.h.
        * loop.c: Include cfgloop.h.
        * predict.c: Include cfgloop.h.
        * toplev.c: Include cfgloop.h.
        * unroll.c: Include cfgloop.h.
        * tracer.c (tracer): Modified.

2003-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (get_shift_alg): Fix a typo.

2003-01-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.in (HAVE_AS_TLS): Add s390-*-* and s390x-*-* cases.
        * configure: Regenerate.

        * config/s390/s390-protos.h (tls_symbolic_operand): Add prototype.
        (tls_symbolic_reference_mentioned_p): Add prototype.
        (s390_tls_get_offset): Add prototype.
        (emit_pic_move): Remove prototype, replace by ...
        (emit_symbolic_move): .. this new prototype.

        * config/s390/s390.c (TARGET_HAVE_TLS): Conditionally define.
        (tls_model_chars): New global variable.
        (s390_encode_section_info): Encode TLS model.
        Use targetm.binds_local_p to check for local symbols.
        (s390_strip_name_encoding): New function.
        (TARGET_STRIP_NAME_ENCODING): Define.

        (get_thread_pointer): New function.
        (legitimize_tls_address): New function.
        (legitimize_address): Call it.
        (emit_pic_move): Remove, replace by ...
        (emit_symbolic_move): ... this new function.

        (larl_operand): Handle TLS operands.
        (legitimate_constant_p): Likewise.
        (s390_decompose_address): Likewise.
        (s390_cannot_force_const_mem): New function.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.

        (s390_output_symbolic_const): Handle TLS unspecs.
        (print_operand): New code 'J'.
        (machine_function): Add struct member 'some_ld_name'.
        (get_some_local_dynamic_name, get_some_local_dynamic_name_1): New.

        (enum s390_builtin): New type.
        (code_for_builtin_64, code_for_builtin_31): New global variables.
        (s390_init_builtins, s390_expand_builtin): New functions.
        (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.

        * config/s390/s390.h (TLS_SYMBOLIC_CONST): New macro.
        (ASM_OUTPUT_LABELREF): Define.
        (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Handle TLS constants.

        * config/s390/s390.md: Define TLS UNSPEC constants.
        ("movdi", "movsi"): Handle TLS operands.
        ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): New insns.
        ("*tls_load_64", "*tls_load_31"): New insns.
        ("call_value_tls", "call_value_tls_exp"): New expanders.
        ("brasl_tls", "bras_tls", "basr_tls_64", "basr_tls_31",
        "bas_tls_64", "bas_tls_31"): New insns.

2003-01-24  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): Make sure
        spe ABI is configured, if requested.

2003-01-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/passes.texi: Fix typo.

2003-01-24  Andreas Schwab  <schwab@suse.de>

        * stor-layout.c (excess_unit_span): Only define if used.

2003-01-24  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): List -O levels
        for each optimization flag.

2003-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_ashift_n_lower): New.

2003-01-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/bugreport.texi: Use @command instead of @code for commands.
        * doc/collect2.texi: Likewise.
        * doc/headerdirs.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/trouble.texi: Likewise.

2003-01-24  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (use_return_insn): Do not use a single return
        instruction for interrupt handelrs which have to create a stack
        frame.
        (arm_expand_prologue): Do not pre-bias the return address of
        interrupt handlers which create a stack frame.

2003-01-24  Nick Clifton  <nickc@redhat.com>

        * Add sh2e support:

        2002-08-12  Alexandre Oliva  <aoliva@redhat.com>

                * config/sh/sh.c (output_branch) [TARGET_SH2E]: Handle
                med_cbranches.  Fix logic in short_cbranches.

        2002-04-03  Alexandre Oliva  <aoliva@redhat.com>

                * config/sh/sh.md (delay for cbranch): Don't annul delay
                slots on SH2e.
                * config/sh/sh.c (sh_insn_length_adjustment): Add 2 for
                cbranch with unfilled delay slot on SH2e.
                (output_branch): Fill with a nop the delay slot of a
                branch that required a delay slot but didn't get one.

        2002-04-02  Alexandre Oliva  <aoliva@redhat.com>

                * doc/invoke.texi (SH options): Document -m2e.
                * config/sh/crt1.asm: Add __SH2E__ Next to __SH3E__.
                * config/sh/lib1funcs.asm: Likewise.
                * config/sh/sh.c: Replace all uses of TARGET_SH3E with SH2E.
                * config/sh/sh.h (CPP_SPEC): Define __SH2E__ for -m2e, and
                not __sh1__.
                (CONDITIONAL_REGISTER_USAGE): Don't disable FP regs from
                SH2E up.
                (SH3E_BIT): Renamed to...
                (SH_E_BIT): ... this.  Replace all uses.
                (TARGET_SH2E): Define from SH_E_BIT and TARGET_SH2.
                Replace all uses of TARGET_SH3E with TARGET_SH2E.
                (TARGET_SWITCHES): Added 2e.
                (OVERRIDE_OPTIONS): Set sh_cpu for SH2E.
                (processor_type): Added PROCESSOR_SH2E.
                * config/sh/sh.md: Replace all uses of TARGET_SH3E with
                TARGET_SH2E, except in sqrtsf2_i.
                (attribute cpu): Added sh2e.
                * config/sh/t-sh (MULTILIB_OPTIONS): Replace m3e with m2e.
                (MULTILIB_MATCHES): Use m2e multilib for m3e.
                * config.gcc: Add sh2e target support.

2003-01-24  Phil Edwards  <pme@gcc.gnu.org>

        Rename -W to -Wextra.
        * c-decl.c:  Update comments.
        * c-typeck.c:  Likewise.
        * flags.h:  Likewise.
        * function.c:  Likewise.
        * stmt.c:  Likewise.
        * toplev.c:  Update comments.
        (W_options):  Add 'extra'.
        (display_help):  Remove '-W'.
        (decode_W_option):  Special warn_uninitialized treatment in the case
        of -Wextra.
        * doc/invoke.texi:  Update with new entries.

2003-01-23  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (noce_process_if_block): Re-add check vs X being changed
        in no-else-block case.  Add commentary.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in: Revert last change.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in: Don't include ansidecl.h in tconfig.h.
        * gcov-io.h (PARAMS, ATTRIBUTE_UNUSED: Define if IN_LIBGCC2.
        * unwind-dw2-fde.h (last_fde): Use __attribute__, not
        ATTRIBUTE_UNUSED.

        * configure: Regenerate.

2003-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR java/6748
        * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Don't destroy
        regs->nip. Fix rt_sigreturn frame layout. Add support for newer
        kernels.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cpplex.c (cpp_interpret_charconst): Squelch warning with cast.

2003-01-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * genattrtab.c (write_attr_get): Mark 'insn' paramter
        as ATTRIBUTE_UNUSED.

2003-01-23  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_base_register_rtx_p): New function.
        (thumb_index_register_rtx_p): New function.
        (thumb_legitimate_address_p): New function.
        (thumb_legitimate_offset_p): New function.
        * arm.h (REG_STRICT_P): Define according to setting of REG_OK_STRICT.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Use REG_STRICT_P to avoid duplicate
        definitions.
        (THUMB_GO_IF_LEGITIMATE_ADDRESS): Use thumb_legitimate_address_p.
        (THUMB_LEGITIMATE_OFFSET): Delte.
        (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use thumb_legitimate_offset.
        * arm-protos.h (thumb_legitimate_address_p): Add prototype.
        (thumb_legitimate_offset_p): Likewise.

2003-01-23  Andreas Schwab  <schwab@suse.de>

        * unwind.h (_Unwind_GetTextRelBase): Mark parameter as unused.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/Makefile.in (FL_LIST): Revert last change.

2003-01-23  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR other/7341
        * invoke.texi (ftest-coverage): Fix broken cross-reference.
        Change @code to @command for gcov command.

        * gcc.texi: Adjust title of gcov section.
        Adjust copyright.
        * gcov.texi: Likewise.

2003-01-22  Roger Sayle  <roger@eyesopen.com>

        PR optimization/8423
        * cse.c (fold_rtx): Only eliminate a CONSTANT_P_RTX to 1 when
        its argument is constant, or 0 if !flag_gcse.
        * simplify-rtx.c (simplify_rtx): Convert CONSTANT_P_RTX to 1
        if it's argument is constant.
        * gcse.c (want_to_gcse_p): Ignore CONSTANT_P_RTX nodes.
        (hash_scan_set): Don't record CONSTANT_P_RTX expressions.
        (do_local_cprop): Don't propagate CONSTANT_P_RTX constants.
        * builtins.c (purge_builtin_constant_p): New function to force
        instantiation of any remaining CONSTANT_P_RTX nodes.
        * rtl.h (purge_builtin_constant_p): Prototype here.
        * toplev.c (rest_of_compilation): Invoke purge_builtin_constant_p
        pass after GCSE and before loop.
        (flag_gcse): No longer static.
        * flags.h (flag_gcse): Prototype here.

2003-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (HARD_REGNO_MODE_OK): Fix warning regression
        introduced by last change.

2003-01-22  Andreas Schwab  <schwab@suse.de>

        * ra-rewrite.c (rewrite_program2): Initialize bb to avoid warning.

2003-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_shift_needs_scratch_p): Don't
        request a scratch reg on H8S when the shift count is 8.

2003-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (preferred_la_operand_p):
        Remove second parameter.
        * config/s390/s390.c (preferred_la_operand_p): Likewise.
        * config/s390/s390.h (FRAME_REGNO_P, FRAME_REG_P): New macros.
        (HARD_REGNO_MODE_OK): Use FRAME_REGNO_P.
        * config/s390/s390.md ("*la_cc_64", "*la_cc_31", splitters): Remove.
        Add peepholes to transform ADD to LOAD ADDRESS.

2003-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_address_register_rtx_p): New function.
        (arm_legitimate_address_p): New function.
        (arm_legitimate_index_p): New function.
        (legitimize_pic_address): Use arm_legitimate_index_p.
        * arm-protos.h (arm_legtimate_address_p): Add prototype.
        * arm.h (ARM_GO_IF_LEGITIMATE_INDEX): Delete.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Call arm_legitimate_address_p.

2003-01-22  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.md (floatdfdi2): Insn has type 'itof'.
        * config/s390/2064.md (define_bypass): Correct 'Load' and
        'Load-address' bypass values.

2003-01-22  Andreas Schwab  <schwab@suse.de>

        * config/ia64/t-ia64 (insn-attrtab.o-warn): Define as -Wno-error.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (output_internal_insn_latency_func,
        output_print_reservation_func): Short circuit when there is no
        automaton to generate code for.

2003-01-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (ssa-ccp.o): Depend on coretypes.h $(TM_H).
        (df.o): Delete duplicate dependency on coretypes.h $(TM_H).

2003-01-21  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md: Remove warning.
        (builtin_setjmp_receiver): Likewise.
        * config/darwin.c (update_stubs): Slightly improve terrible hack
        with identifiers.  Add comment pointing out problems with it.
        (update_non_lazy_ptrs): Likewise.

2003-01-21  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (lookup_filename): Fix printf format warning.
        * system.h (fread_unlocked, fwrite_unlocked): Undef.

        * fixinc/Makefile.in (FL_LIST): Add $($@-warn) hook.
        (fixincl.o-warn, gnu-regex.o-warn): New.
        * fixinc/fixfixes.c (FIX_PROC_HEAD): Mark parameters unused.
        * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Likewise.
        * fixinc/fixincl.c (process): Fix printf format warning.

2003-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dwarf2out (output_file_names): Don't crash if called
        with empty file_table.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (output_internal_insn_latency_func): Add
        missing break statement to generated code.

2003-01-21  Roger Sayle  <roger@eyesopen.com>

        * stmt.c (same_case_target_p): New function to determine whether
        two case labels branch to the same target.  Split out from...
        (group_case_nodes): ... here.  Use same_case_target_p instead.
        (strip_default_case_nodes): Remove explicit case nodes
        that branch to the default destination.
        (expand_end_case_type): Call strip_default_case_nodes after
        group_case_nodes, to simplify the case-list before we count it.
        Only generate table_label RTX when actually needed.  Try to share
        thiscase->exit_label and thiscase->data.case_stmt.default_label
        when a switch has no explicit default case.  Simplify test for
        constant index.

2003-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*negsf2_h8300): Use \\t instead of
        \t.
        (*negsf2_h8300hs): Likewise.
        (*addsi3_lshiftrt_16_zexthi): Likewise.
        (*iorhi3_lshiftrt_8): Likewise.

2003-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dwarf2out.c (fde_table_in_use): Mark GTY.
        (dwarf2out_cfi_label_num): New variable, marked GTY.
        (dwarf2out_cfi_label): Use it instead of static label_num.
        * emit-rtl.c (label_num): Mark GTY.

2003-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_plussi): Support H8/300.
        (compute_plussi_length): Likewise.
        (compute_plussi_cc): Likewise.
        * config/h8300/h8300.md (addsi_h8300): Use output_plussi to
        output assembly instructions.

2003-01-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * calls.c (fix_unsafe_tree): Prototype.

        * Makefile.in (GCC_WARN_CFLAGS): Add $(WERROR) $($@-warn)
        (gtype-desc.o-warn, c-decl.o-warn, varasm.o-warn, gcc.o-warn,
        insn-conditions.o-warn, out_object_file, gengtype-yacc.o-warn,
        c-parse.o-warn): Add -Wno-error.
        (STAGE2_FLAGS_TO_PASS): Add WERROR="@WERROR@".

        * configure.in (--enable-werror): Add new flag.
        * doc/install.texi (--enable-werror): Document.
        * configure: Regenerate.

        * objc/Make-lang.in (objc/objc-parse.o-warn): Add -Wno-error.

2003-01-21  Andreas Schwab  <schwab@suse.de>

        * genautomata.c (output_internal_insn_latency_func): Fix missing
        close paren in output.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c: Space savings in generated code:
        (output_dfa_insn_code_func): Split out the table-enlargement
        path to an out-of-line static function, dfa_insn_code_enlarge.
        (output_internal_insn_latency_func): Use a lookup table for the
        default latencies.
        (output_print_reservation_func): Use a lookup table for the
        strings.

2003-01-21  Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>

        PR opt/7507
        * calls.c (fix_unsafe_tree): Split out from ...
        (expand_call): ... here.  Use it on the function address too.

2003-01-20  Richard Henderson  <rth@redhat.com>

        * expr.h (default_must_pass_in_stack): Move decl outside ifdef.

2003-01-20  Richard Henderson  <rth@redhat.com>

        PR opt/7154
        * stmt.c (expand_asm_operands): Validize memory operands.

2003-01-20  Richard Henderson  <rth@redhat.com>

        PR opt/8848
        * ifcvt.c (noce_process_if_block): Correct arguments to
        modified_between_p for no-else-block case.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (const_costs): Remove a warning.
        (output_plussi): Likewise.
        (compute_plussi_length): Likewise.
        (compute_plussi_cc): Likewise.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (addsi_h8300): Remove the last
        alternative.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (get_shift_alg): Remove redundant code.

2003-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (__NO_STRING_INLINES): Define.

2003-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * ifcvt.c (noce_emit_store_flag): Don't emit store flag if mode of x
        is not a scalar int mode.

2003-01-20  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Avoid RTL sharing when updating the RETVAL
        insn's notes following a substitution inside a libcall.

2003-01-20  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check for system-provided 'uchar' type.
        * configure, config.in: Regenerate.
        * cpphash.h: Only typedef 'uchar' if the system doesn't.

2003-01-20  Richard Henderson  <rth@redhat.com>

        * expr.h (MUST_PASS_IN_STACK): Move implementation...
        * calls.c (default_must_pass_in_stack): ... here.

2003-01-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genattrtab.h (INSN_ALTS_FUNC_NAME): Move it from genautomata.c.

        * genautomata.c (INSN_ALTS_FUNC_NAME): Move it into genattrtab.h.

        * genattr.c (main): Output default definition of AUTOMATON_ALTS.
        Wrap up definition of `insn_alts'.

        * genattrtab.c (main): Wrap up `insn_alts'.

2003-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (ldgetname): Check HAVE_DECL_LDGETNAME before
        prototyping.
        * configure.in: Check for <ldfcn.h> and ldgetname() prototype.

        * config.in, configure: Regenerate.

2003-01-20  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (sibcall_epilogue): Add an
        UNSPEC_PROLOGUE_USE to prevent the link register from being
        considered dead.

2003-01-20  Jan Hubicka  <jh@suse.cz>

        * i386.md (SSE cmov splitter):  Handle memory operand in operand 5.

2003-01-20  Andreas Schwab  <schwab@suse.de>

        * system.h: Don't declare strsignal if the decl test hasn't been
        run yet.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (notice_update_cc): Don't assume that
        recog_data.operands[0] is always associated with cc0.

2003-01-19  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (ldgetname): Expand declaration to prototype.
        * read-rtl.c (atoll): Add prototype.
        * system.h (strsignal): Also declare if no declaration found.

2003-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * config.gcc (mips64*-*-linux*): Added.
        * config/mips/linux64.h, config/mips/t-linux64: New file.
        * config/mips/iris6.h (MIPS_TFMODE_FORMAT): Define.
        * config/mips/mips.c (override_options): Use it.
        * config/mips/mips.h (TARGET_SWITCHES): Added...
        (SUBTARGET_TARGET_SWITCHES): New, empty by default.
        * Makefile.in (SPECS): New.
        (STAGESTUFF, specs, mostlyclean, install-common): Use it.
        * gcc.c (process_command): Move self-spec processing past spec
        file loading.
        * doc/tm.texi (DRIVER_SELF_SPECS): Document the change.
        * doc/fragments.texi (MULTILIB_EXTRA_OPTS): Document need for
        CRTSTUFF_T_CFLAGS.
        (SPECS): Document.
        * doc/invoke.texi (-mabi-fake-default): Document.

2003-01-19  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (stack_push_word, stack_pop_word,
        z_reg, z_reg_qi): Declare static and GTY().
        (da_reg): Remove.
        (create_regs_rtx): Don't create da_reg.
        ("gt-m68hc11.h"): Include for GTY roots.
        * config/m68hc11/m68hc11.h (ix_reg, iy_reg, d_reg): Declare extern
        and GTY() here.
        (m68hc11_compare_op0, m68hc11_compare_op1): Likewise.
        (m68hc11_soft_tmp_reg): Likewise.
        * config/m68hc11/m68hc11-protos.h: Remove above declarations.

2003-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Fix comment formatting.
        * calls.c: Likewise.
        * combine.c: Likewise.
        * convert.c: Likewise.
        * gcov.c: Likewise.
        * haifa-sched.c: Likewise.
        * libgcc2.c: Likewise.
        * loop.c: Likewise.
        * profile.c: Likewise.
        * system.h: Likewise.

2003-01-18  Roger Sayle  <roger@eyesopen.com>

        * config/pa/pa.md (muldi3): Avoid invalid sharing of SUBREG RTXs.

2003-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ra-build.c (undef_to_size_word): Avoid `switch' warning.

2003-01-17  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md (*floatsidf2_internal):  Add earlyclobbers.
          (*floatunssidf2_internal):  Ditto.

2003-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix comment typos.
        * basic-block.h: Likewise.
        * c-common.c: Likewise.
        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-opts.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.h: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfglayout.c: Likewise.
        * cfgrtl.c: Likewise.
        * convert.c: Likewise.
        * cpphash.h: Likewise.
        * cpplex.c: Likewise.
        * cpplib.h: Likewise.
        * df.h: Likewise.
        * diagnostic.c: Likewise.
        * diagnostic.h: Likewise.
        * dwarf2.h: Likewise.

2003-01-17  Stan Shebs  <shebs@apple.com>

        * config/darwin-protos.h: Forward-declare struct cpp_reader.

2003-01-17  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_need_linkage): Fix obvious
        mistake in last checkin.

2003-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * et-forest.c: Fix comment typos.
        * et-forest.h: Likewise.
        * except.c: Likewise.
        * expr.c: Likewise.
        * flags.h: Likewise.
        * flow.c: Likewise.
        * gcc.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genautomata.c: Likewise.
        * gengtype.c: Likewise.
        * genrecog.c: Likewise.
        * global.c: Likewise.
        * gthr-rtems.h: Likewise.

2003-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * i386.c (x86_function_profiler): Fix format specifier.

2003-01-17  Richard Henderson  <rth@redhat.com>

        * gengtype.c (walk_type): Allow paramN_is.

2003-01-17  Nick Clifton  <nickc@redhat.com>

        * config/i960/t-960bare (i960-c.o): Add missing newline escape.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux-elf.h (LIB_SPEC): Adjust inter-option spacing.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_sr_alias_set): Mark GTY.
        (alpha_next_sequence_number): Likewise.
        (alpha_this_literal_sequence_number): Likewise.
        (alpha_this_gpdisp_sequence_number): Likewise.
        (struct alpha_funcs, alpha_funcs_num): Likewise.
        (struct alpha_links): Fix branch merge error.
        (alpha_need_linkage, alpha_use_linkage): Use GC for alpha_funcs.

2003-01-17  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h: Don't use #elif.  Reported by Kaveh
        R. Ghazi.

2003-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * ifcvt.c: Fix comment typos.
        * lcm.c: Likewise.
        * libgcc2.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * predict.c: Likewise.
        * ra-build.c: Likewise.
        * ra.c: Likewise.
        * ra-colorize.c: Likewise.
        * ra.h: Likewise.
        * ra-rewrite.c: Likewise.
        * regmove.c: Likewise.
        * reload.h: Likewise.
        * rtlanal.c: Likewise.
        * toplev.c: Likewise.
        * tree.h: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * vmsdbgout.c: Likewise.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (struct file_table): Remove.
        (FILE_TABLE_INCREMENT): Remove.
        (file_table): Make a varray; mark for GC.  Update all users.
        (file_table_last_lookup_index): Extract from struct file_table.
        (output_file_names): Fix unsigned compare warnings.
        (add_name_attribute): Remove inline marker.
        (add_comp_dir_attribute): Split out from gen_compile_unit_die.
        (lookup_filename): Don't manage size of file_table.
        (init_file_table): Allocate file_table with GC.
        (dwarf2out_init): Don't record main_input_filename here.
        (dwarf2out_finish): Do it here instead.

2003-01-16  Bruce Korb  <bkorb@gnu.org>

        * gcc/fixinc/inclhack.def(limits_ifndef): QNX needs a bypass, too.

2003-01-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_initialize_trampoline): Emit rotrdi3_mextr
        instead of rotldi3_mextr.

2003-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (move_insn): Restore moving all schedule group.
        (set_priorities): Restore taking SCHED_GROUP_P into account.

        * sched-deps.c (add_dependence): Restore processing the last group
        insn.
        (remove_dependence, group_leader): Restore the functions.
        (set_sched_group_p): Restore adding dependencies from previous insn
        in the group.
        (compute_forward_dependences): Restore usage of group_leader.

        * sched-ebb.c (init_ready_list): Restore taking SCHED_GROUP_P into
        account.

        * sched-rgn.c (init_ready_list): Restore taking SCHED_GROUP_P into
        account.
        (can_schedule_ready_p): Ditto.
        (add_branch_dependences): Restore skipping over the group insns.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix handling
        68HC12 pre/post inc/dec side effects.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (MASK_M6812): Define.

2003-01-16  J"orn Rennecke <amylaar@onetel.net.uk>

        * sh.md (mshflo_w_x): Fix description of operation.

2003-01-16  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/rs6000.h: Mention Altivec registers in
        commentary.  Fix typo.

2003-01-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (movti_string): Remove clobber.
        * config/rs6000/rs6000.c (rs6000_emit_move, TImode): Explicitly
        generate PARALLEL with clobber for TARGET_POWER.

2003-01-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ra-colorize.c (colorize_one_web): Initialize variable.
        * regmove.c (fixup_match_1): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        * sdbout.c (SET_KNOWN_TYPE_TAG): Add cast.

2003-01-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.c (flow_loops_find): Fix handling of abnormal edges.

2003-01-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dbxout.c (lastfile, cwd): Fix `unused' warning.
        * dwarf2out.c (fde_table_in_use, current_funcdef_fde,
        dw_cfi_oprnd1_desc, dw_cfi_oprnd2_desc, next_die_offset,
        is_main_source, file_table, decl_die_table_in_use,
        abbrev_die_table_in_use, line_info_table_in_use,
        separate_line_info_table_in_use, pubname_table_in_use,
        arange_table_in_use, ranges_table_in_use,
        current_function_has_inlines): Likewise.
        * flow.c (life_analysis): Likewise.
        * genemit.c (gen_insn): Likewise.
        * protoize.c (cplus_suffix): Likewise.

        * arm.c (ROUND_UP_WORD): Renamed from ROUND_UP.
        * arm.h (ROUND_UP_WORD): Likewise.

        * arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned
        warning.
        * emit-rtl.c (gen_rtx_REG, set_mem_attributes_minus_bitpos,
        init_emit_once): Likewise.
        * flow.c (mark_regs_live_at_end, calculate_global_regs_live):
        Likewise.
        * function.c (assign_stack_temp_for_type): Likewise.
        * loop.c (loop_invariant_p): Likewise.
        * recog.c (push_operand): Likewise.
        * regclass.c (init_reg_sets_1): Likewise.
        * reload.c (update_auto_inc_notes): Likewise.
        * reload1.c (reload_as_needed, emit_input_reload_insns): Likewise.
        * stmt.c (expand_asm_operands): Likewise.
        * stor-layout.c (start_record_layout): Likewise.

2003-01-16  Herman A.J. ten Brugge <hermantenbrugge@home.nl>

        * config/c4x/c4x.md (epilogue): Correct last patch.

2003-01-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (find_lo_sum_using_gp): Rename from find_lo_sum;
        also check that GP is being used.
        (alpha_find_lo_sum_using_gp): New.
        (alpha_does_function_need_gp): Use get_attr_usegp.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (attr usegp): New.  Annotate patterns
        as needed.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (one_cprop_pass): Change function arguments to take both
        cprop_jumps and bypass_jumps flags instead of just alter_jumps.
        (gcse_main): Update calls to one_cprop_pass, disabling bypassing.
        (bypass_jumps): New function to perform separate jump bypassing pass.
        * rtl.h (bypass_jumps): Add function prototype.
        * timevar.def (TV_BYPASS): New timing variable.
        * toplev.c (enum dump_file_index): Add new entry DFI_bypass.
        (dump_file): New entry for the bypass RTL dump file.
        (rest_of_compilation): Insert new jump bypassing optimization
        pass after loop.
        * doc/passes.texi: Document new pass.

2003-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * som.h (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY,
        ASM_WEAKEN_LABEL, GTHREAD_USE_WEAK): Define.
        * pa.h (TARGET_SOM_SDEF): Define.
        * pa-hpux11.h (TARGET_SOM_SDEF): Define.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (expand_prologue): Use push/pop to
        allocate 4-bytes of locals on 68HC11.
        (expand_epilogue): Likewise.
        (m68hc11_memory_move_cost): Increase cost of HI/QI soft registers.

2003-01-15  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (ASM_SPEC): Handle -m68hcs12; Pass -mshort
        and -mshort-double to the assembler to specify the ABI.
        (LINK_SPEC): Likewise.
        (CPP_SPEC): Pass HCS12 specific define.
        (MASK_M68S12): New define.
        (TARGET_M68S12): Likewise.
        (TARGET_SWITCHES): New options -m68hcs12 and -m68S12.
        (TARGET_VERSION): Update.
        * config/m68hc11/m68hc12.h (CPP_SPEC): Pass HCS12 specific define.
        (LINK_SPEC): Update.
        (ASM_SPEC): Update.
        * config/m68hc11/m68hc11.c (m68hc11_asm_file_start): Update.
        * doc/invoke.texi (M68hc1x Options): Document -m68hcs12.

2003-01-15  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("return"): Use emit_jump_insn to emit
        the return code.

2003-01-15  Josef Zlomek  <zlomekj@suse.cz>

        * cfganal.c (set_edge_can_fallthru_flag): Clear the EDGE_CAN_FALLTHRU
        flag before setting it.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * c-semantics.c (genrtl_while_stmt):  Improve initial RTL generation
        when loop condition is known true, i.e.  "while (1) { ... }".
        (genrtl_for_stmt): Similarly for "for" statements.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_sqrt): Return a bool result indicating whether
        a floating point exception or trap should be raised.
        * real.h (real_sqrt): Update function prototype.
        * builtins.c (fold_builtin): Only fold non-trapping square
        roots unless we're ignoring errno and trapping math.

2003-01-15  John David Anglin  <dave.anglin@nrc.gc.ca>

        * expr.h (emit_conditional_add): Add PARAMS to declaration.
        * gengtype-lex.l (malloc, realloc): Move defines after include of
        system.h.  Remove duplicate include of system.h.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/9009
        * optabs.c (expand_unop):  When manipulating the FP sign bit
        using integer operations, account for targets with different
        integer and FP word orders.
        (expand_abs): Likewise.

2003-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_gen_section_name): Do not include
        file extension in section name.

2003-01-15  Richard Earnshaw  <rearnsha@arm.com>

        * flow.c (find_auto_inc): Also try to generate a PRE_MODIFY with
        constant offset.

2003-01-15  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (HAVE_PRE_MODIFY_DISP, HAVE_PRE_MODIFY_REG): Define.
        (HAVE_POST_MODIFY_DISP, HAVE_POST_MODIFY_REG): Define.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Handle pre/post-modify addresses.
        (ARM_PRINT_OPERAND_ADDRESS): Likewise.

2003-01-15  Jan Hubicka  <jh@suse.cz>

        PR f/9258
        * global.c (struct allocno): Add no_stack_reg.
        (global_conflicts): Set no_stack_reg.
        (find_reg): Use it.

        * convert.c (convert_to_real): Fold - and abs only when profitable.
        * fold-const.c (fold): Fold truncates in - and abs.

2003-01-15  Josef Zlomek  <zlomekj@suse.cz>

        Segher Boessenkool  <segher@koffie.nl>

        * predict.c (real_inv_br_prob_base): New variable.
        (propagate_freq): Use multiply by reciprocal instead of
        division.  Don't divide by 1.0 at all.
        (estimate_bb_frequencies): Similar.

2003-01-15  Alexandre Oliva  <aoliva@redhat.com>

        * configure.in (libgcc_visibility): Force disabled on IRIX 6 too.
        * configure: Rebuilt.

2003-01-15  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.c (s390_safe_attr_type): New function.
        (s390_use_dfa_pipeline_interface): New function, return true for z900.
        (s390_issue_rate): New function.
        (s390_agen_dep_p): New function.
        (addr_generation_dependency_p): Use 's390_safe_attr_type'.
        (s390_adjust_cost): Return 'cost' if new DFA is used.
        (s390_adjust_priority): Delete function.
        * config/s390/s390-protos.h: (s390_agen_dep_p): New prototype.
        * config/s390/s390.md (atype attribute): Attribute 'atype' default
        determined by 'op_type'.
        (type attribute): Added more type attributes.
        * config/s390/2064.md: New DFA description for z900 pipeline.

2003-01-15  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_move): Validize constant
        forced to memory.  Fixes PR bootstrap/9036.

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Define so as
        to set $gp before the call.

2003-01-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_mov): Use correct mode
        for force_const_mem.

2003-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattr.c (main): Rearrange output to avoid prototype warning.
        * genautomata.c (transform_3): Fix ambiguous-else warning.
        * local-alloc.c (requires_inout): Add parentheses around
        assignment used as truth-value.
        * timevar.c: Move system includes above local includes.  Include
        toplev.h
        * Makefile.in (timevar.o): Depend on toplev.h.

2003-01-14  Denis Chertykov  <denisc@overta.ru>

        * config/ip2k/ip2k.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
        (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.

        * config/ip2k/ip2k.c (ip2k_attribute_table): New table of
        attributes.
        (TARGET_ATTRIBUTE_TABLE): New macro.
        (valid_machine_type_attribute): Remove.
        (valid_machine_decl_attribute): Remove.
        (ip2k_handle_progmem_attribute): New function.
        (ip2k_handle_fndecl_attribute): New function.

2003-01-10  Andrew Haley  <aph@redhat.com>

        * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Rename
        registers to be in correct order.  Add rip.

2003-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_lshiftrt_9_sb): New.
        (*iorsi3_and_lshiftrt_9_sb): Likewise.

2003-01-14  Jan Hubicka  <jh@suse.cz>

        * convert.c (strip_float_extensions):  Look for narrowest type handling
        FP constants.

        * fold-const.c (fold):  Fold (double)float1 CMP (double)float2 into
        float1 CMP float2.
        * convert.c (strip_float_extensions): Make global.
        * tree.h (strip_float_extensions): Declare.

2003-01-14  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * timevar.def: define TV_NAME_LOOKUP.
        * timevar.c (timevar_pop): Be verbose when aborting.

2003-01-13  Andreas Schwab  <schwab@suse.de>

        * Makefile.in ($(parsedir)/gengtype-lex.c): Don't change to
        $(parsedir), just move the temporary file at the end.
        ($(parsedir)/gengtype-yacc.c): Likewise.

2003-01-13  Alexandre Oliva  <aoliva@redhat.com>

        * aclocal.m4 (gcc_AC_PROG_GNAT): Don't try to prepend
        ${ac_tool_prefix} to ADAC or CC.  Protect them from word
        splitting.
        * configure: Rebuilt.

2003-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/sparc/gmon-sol2.c (moncontrol, monstartup, _mcleanup,
        internal_mcount): Don't use PARAMS.
        (monstartup, _mcleanup, internal_mcount, moncontrol): Convert to
        ISO C style.
        (internal_mcount): Use __attribute__, not ATTRIBUTE_UNUSED.

2003-01-13  Andreas Schwab  <schwab@suse.de>

        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Output type
        directive.

2003-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_lshift_n_sb): New.
        (*iorsi3_and_lshiftrt_n_sb): Likewise.

2003-01-12  Mark Mitchell  <mark@codesourcery.com>

        PR c++/9264
        * c-lex.c (c_lex): Set the token value to error_mark_node for
        invalid numeric constants.

2003-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-pch.c (asm_file_startpos): Change to `long'.
        (pch_init): Use ftell, not ftello.
        (c_common_write_pch): Use ftell/fseek, not ftello/fseeko.
        Use `long' instead of `off_t'.
        (c_common_read_pch): Likewise.
        * ggc-common.c (gt_pch_save): Use long/ftell instead of
        off_t/ftello.

2003-01-12  Alan Modra  <amodra@bigpond.net.au>

        * expr.c (expand_expr <RDIV_EXPR>): Correct recursive call args.

2003-01-11  Richard Earnshaw  (rearnsha@arm.com)

        * arm-protos.h (struct cpp_reader): Add declaration.

2003-01-11  Jan Hubicka  <jh@suse.cz>

        PR target/9068
        * i386.c (output_fp_compare): Fix typo.

2003-01-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (common_mode_defined): Mark for PCH.

2003-01-10  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (parsedir): New variable.
        (docobjdir): New variable.
        (c-parse.o, c-parse.c, c-parse.y, gengtype-lex.o, gengtype-yacc.o,
        gengtype-lex.c, gengtype-yacc.c): Use parsedir.
        (info, cpp.info, gcc.info, gccint.info, gccinstall.info,
        cppinternals.info, generated-manpages, gcov.1, cpp.1, gcc.1, gfdl.7,
        gpl.7, fsf-funding.7, maintainer-clean, install-info, install-man):
        Use docobjdir.
        * objc/Make-lang.in (objc/objc-parse.c, objc/objc-parse.y,
        objc.maintainer-clean): Use parsedir.

        * varasm.c (struct constant_descriptor_rtx): Remove unused
        `label' field.

        * toplev.c (documented_lang_options): Document -Winvalid-pch.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (NO_PROFILE_COUNTERS): Set.
        (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Kill.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * combine.c (make_compound_operation): Use SCALAR_INT_MODE_P,
        not INTEGRAL_MODE_P when widening extensions.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (decl_has_samegp): True for !TREE_PUBLIC.

2003-01-10  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_collect): Avoid overflow computing
        min_expand.

        * Makefile.in (RANLIB_FOR_TARGET): Use RANLIB when native.
        (RANLIB_TEST_FOR_TARGET): Delete.  Don't pass down to sub-makes.
        Remove calls.
        * mklibgcc.in: Remove uses of RANLIB_TEST_FOR_TARGET.

2003-01-10  Jan Hubicka  <jh@suse.cz>

        * ifcvt.c (noce_try_addcc): Do not call emit_conditional_add
        with weird operands.

2003-01-10  Dale Johannesen <dalej@apple.com>

        * calls.c (load_register_parameters):  Add is_sibcall, sibcall_failure
        parameters.  Call check_sibcall_argument_overlap if indicated.
        (check_sibcall_argument_overlap):  Add mark_stored_args_map
        parameter.  Don't mark parameter area as clobbered if not set.
        (expand_call):  Adjust calls to above.

2003-01-10 Kelley Cook <kelleycook@comcast.net>

        * configure.in (linker read-only and read-write section mixing):
        Squelch some assembler warnings.
        * configure: Likewise.

2003-01-10  Hartmut Penner  <hpenner@de.ibm.com>

        * doc/invoke.texi: Document -mtune, delete -mcpu
        option for S/390 and zSeries.
        * config/s390/s390.c (s390_tune_string) New variable.
        (s390_cpu_string) Delete variable.
        (override_options): Use s390_tune_string instead of
        s390_cpu_string.
        * config/s390/s390.h: (TARGET_OPTIONS) '-mtune' instead of '-mcpu'.

2003-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_ashift_31): New.

2003-01-10  Josef Zlomek  <zlomekj@suse.cz>

        * jump.c (next_nonnote_insn_in_loop): New function.
        (copy_loop_headers): Use next_nonnote_insn_in_loop instead of
        next_nonnote_insn.
        (duplicate_loop_exit_test). Likewise.

2003-01-09  Geoffrey Keating  <geoffk@apple.com>

        Merge from pch-branch:

        2003-01-06  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_pch_read): Update the statistics after a PCH
        load.

        2002-12-24  Geoffrey Keating  <geoffk@apple.com>

        * cpplib.c (count_registered_pragmas): New function.
        (save_registered_pragmas): New function.
        (_cpp_save_pragma_names): New function.
        (restore_registered_pragmas): New function.
        (_cpp_restore_pragma_names): New function.
        * cpphash.h (_cpp_save_pragma_names): Prototype.
        (_cpp_restore_pragma_names): Likewise.
        * cpppch.c (struct save_macro_item): Split from save_macro_data.
        (struct save_macro_data): New field 'saved_pragmas'.
        (save_macros): Update for changes to struct save_macro_data.
        (cpp_prepare_state): Call _cpp_save_pragma_names, update
        for changes to struct save_macro_data.
        (cpp_read_state): Call _cpp_restore_pragma_names, update
        for changes to struct save_macro_data.

        * cpppch.c (cpp_read_state): Restore the hashtable references
        in the cpp_reader.

        * tree.h (built_in_decls): Mark for PCH.

        * dbxout.c (lastfile): Don't mark for PCH.

        * ggc.h: Document PCH calls into memory managers.

        2002-12-18  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Precompiled Headers): Document the
        directory form of PCH.
        * cppfiles.c (validate_pch): New function.
        (open_file_pch): Search suitably-named directories for PCH files.

        2002-12-14  Geoffrey Keating  <geoffk@apple.com>

        * doc/gty.texi (GTY Options): Document chain_next, chain_prev,
        reorder options.
        (Type Information): Mention that the information is also
        used to implement PCH.
        * doc/passes.texi (Passes): Improve documentation of
        language-specific files.

        2002-12-11  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct write_types_data): Add reorder_note_routine field.
        (struct walk_type_data): Add reorder_fn field.
        (walk_type): Process 'reorder' option.
        (write_types_process_field): Reorder parameters to gt_pch_note_object,
        call reorder_note_routine.
        (write_func_for_structure): Reorder parameters to gt_pch_note_object.
        (ggc_wtd): Update for change to struct write_types_data.
        (pch_wtd): Likewise.
        * ggc.h (gt_pch_note_object): Reorder parameters.
        (gt_handle_reorder): New definition.
        (gt_pch_note_reorder): New prototype.
        * ggc-common.c (struct ptr_data): Add reorder_fn.
        (gt_pch_note_object): Reorder parameters.
        (gt_pch_note_reorder): New.
        (gt_pch_save): Call reorder_fn.
        * stringpool.c (gt_pch_n_S): Update for change to gt_pch_note_object.

        * dbxout.c (cwd): Don't mark for PCH.

        2002-12-09  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (finish_root_table): Fix some warnings.
        (write_root): Handle TYPE_STRING.
        * ggc.h (gt_ggc_m_S): Add prototype.
        * stringpool.c (gt_ggc_m_S): New function.

        2002-11-30  Geoffrey Keating  <geoffk@apple.com>

        * dwarf2out.c (dw2_string_counter): New.
        (AT_string_form): Use it.
        (same_dw_val_p): Update for removal of hashtable.h hash tables.

        2002-11-22  Geoffrey Keating  <geoffk@apple.com>

        * dbxout.c: Include gt-dbxout.h.
        (lastfile): Mark for PCH/GGC.
        (cwd): Likewise.
        (struct typeinfo): Likewise.
        (typevec): Likewise.
        (typevec_len): Likewise.
        (next_type_number): Likewise.
        (struct dbx_file): Likewise.
        (current_file): Likewise.
        (next_file_number): Likewise.
        (dbxout_init): Allocate typevec, struct dbx_file with GGC.
        (dbxout_start_source_file): Allocate struct dbx_file with GGC.
        (dbxout_end_source_file): Don't free struct dbx_file.
        (dbxout_type): Use GGC to allocate typevec.
        * Makefile.in (dbxout.o): Depend on gt-dbxout.h, $(GGC_H).
        (GTFILES): Add dbxout.c.
        (gt-dbxout.h): New rule.

        * Makefile.in (c-pch.o): Add debug.h as dependency.
        * c-pch.c: Include debug.h.
        (pch_init): Call start_source_file to keep nesting right.
        (c_common_read_pch): Add orig_name parameter.  Call
        start_source_file debug hook.  Call end_source_file debug hook.
        * c-common.h (c_common_read_pch): Update prototype.
        * cpplib.h (struct cpp_callbacks): Add fourth field to read_pch
        callback.
        * cppfiles.c (struct include_file): Add new field `header_name'.
        (find_or_create_entry): Default it to `name'.
        (open_file_pch): Set it to the original header file searched for.
        (stack_include_file): Don't stack an empty buffer, just handle
        PCH files immediately.  Pass header_name field to read_pch callback.

        2002-11-19  Geoffrey Keating  <geoffk@apple.com>

        * function.c (funcdef_no): Mark to be saved in a PCH.

        2002-11-15  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_pch_read): Remove unused 'bmap_size'.

        * cpppch.c (cpp_read_state): Correct size reallocated for 'defn'.

        2002-11-14  Geoffrey Keating  <geoffk@apple.com>

        * optabs.h (code_to_optab): Add GTY marker.

        2002-11-13  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (GTFILES): Add cpplib.h.
        * c-common.h (struct c_common_identifier): Don't skip 'node' field.
        * c-decl.c (build_compound_literal): Don't use var_labelno.
        * cpplib.h (struct cpp_hashnode): Use gengtype to mark.
        * dwarf2asm.c (dw2_force_const_mem): Don't use const_labelno.
        * varasm.c (const_labelno): Use gengtype to mark.
        (var_labelno): Likewise.
        (in_section): Likewise.
        (in_named_name): Likewise.
        (struct in_named_entry): Likewise.
        (in_named_htab): Likewise.
        (set_named_section_flags): Use GGC to allocate struct in_named_entry.
        (init_varasm_once): Use GGC to allocate in_named_htab.
        * config/darwin.c (current_pic_label_num): Mark for PCH.

        2002-11-11  Geoffrey Keating  <geoffk@apple.com>

        * ggc-simple.c (init_ggc_pch): New stub procedure.
        (ggc_pch_count_object): Likewise.
        (ggc_pch_total_size): Likewise.
        (ggc_pch_this_base): Likewise.
        (ggc_pch_alloc_object): Likewise.
        (ggc_pch_prepare_write): Likewise.
        (ggc_pch_write_object): Likewise
        (ggc_pch_finish): Likewise.
        (ggc_pch_read): Likewise.

        2002-11-08  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c (c_common_write_pch): Write the macro definitions after
        the GCed data.
        (c_common_read_pch): Call cpp_prepare_state.  Restore the macro
        definitions after the GCed data.
        * cpplib.c (save_macros): New.
        (reset_ht): New.
        (cpp_write_pch_deps): Split out of cpp_write_pch.
        (cpp_write_pch_state): Split out of cpp_write_pch.
        (cpp_write_pch): Delete.
        (struct save_macro_data): Delete.
        (cpp_prepare_state): New.
        (cpp_read_state): Erase and restore initial macro definitions.
        * cpplib.h (struct save_macro_data): Forward-declare.
        (cpp_write_pch_deps): Prototype.
        (cpp_write_pch_state): Prototype.
        (cpp_write_pch): Delete prototype.
        (cpp_prepare_state): Prototype.
        (cpp_read_state): Add fourth argument.

        2002-11-04  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (adjust_field_rtx_def): Don't use skip on valid fields.
        (write_array): Remove warning.

        * gengtype.c (contains_scalar_p): New.
        (finish_root_table): Add the table to all languages, even if it's
        empty.
        (write_roots): Output gt_pch_scalar_rtab.
        * ggc-common.c (gt_pch_save): Write out scalars.
        (gt_pch_restore): Read scalars back.

        * ggc-page.c (OBJECTS_IN_PAGE): New macro.
        (struct page_entry): Delete pch_page field.
        (ggc_recalculate_in_use_p): Use OBJECTS_IN_PAGE.
        (clear_marks): Likewise.
        (sweep_pages): Likewise.
        (poison_pages): Likewise.
        (ggc_print_statistics): Likewise.
        (ggc_pch_read): Don't free objects read from a PCH.
        Properly set up in_use_p and page_tails.

        2002-10-25  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct write_types_data): New.
        (struct walk_type_data): Make `cookie' const; add extra
        prev_val item; add `orig_s' field.
        (walk_type): Update prev_val[3].
        (write_types_process_field): New.
        (write_func_for_structure): Take write_types_data structure.
        (write_types): New.
        (ggc_wtd): New.
        (pch_wtd): New.
        (write_types_local_process_field): New.
        (gc_mark_process_field): Delete.
        (write_local_func_for_structure): New.
        (gc_mark_func_name): Delete.
        (write_gc_types): Delete.
        (write_local): New.
        (finish_root_table): Don't include 'ggc_' in PFX.
        (write_root): Rename from write_root.  Fill pchw field of structures.
        (write_array): New.
        (write_roots): Rename from write_gc_roots.  Split out to write_array.
        Update to changes to other routines.  Write gt_pch_cache_rtab table.
        (main): Write PCH walking routines.
        * ggc-common.c: Include toplev.h, sys/mman.h.
        (ggc_mark_roots): For cache hashtables, also mark the hash table
        and the array of entries.
        (saving_htab): New.
        (struct ptr_data): New.
        (POINTER_HASH): New.
        (gt_pch_note_object): New.
        (saving_htab_hash): New.
        (saving_htab_eq): New.
        (struct traversal_state): New.
        (call_count): New.
        (call_alloc): New.
        (compare_ptr_data): New.
        (relocate_ptrs): New.
        (write_pch_globals): New.
        (struct mmap_info): New.
        (gt_pch_save): New.
        (gt_pch_restore): New.
        * ggc-page.c (ROUND_UP_VALUE): New.
        (ROUND_UP): New.
        (struct page_entry): Add field `pch_page'.
        (init_ggc): Use ROUND_UP.
        (struct ggc_pch_data): Declare.
        (init_ggc_pch): New.
        (ggc_pch_count_object): New.
        (ggc_pch_total_size): New.
        (ggc_pch_this_base): New.
        (ggc_pch_alloc_object): New.
        (ggc_pch_prepare_write): New.
        (ggc_pch_write_object): New.
        (ggc_pch_finish): New.
        (ggc_pch_read): New.
        * ggc.h (gt_pointer_operator): New.
        (gt_note_pointers): New.
        (gt_pch_note_object): New prototype.
        (gt_pointer_walker): New.
        (struct ggc_root_tab): Use gt_pointer_walker, add `pchw' field.
        (LAST_GGC_ROOT_TAB): Update.
        (gt_pch_cache_rtab): Declare.
        (gt_pch_scalar_rtab): Declare.
        (struct ggc_cache_tab): Use gt_pointer_walker, add `pchw' field.
        (LAST_GGC_CACHE_TAB): Update.
        (gt_pch_save_stringpool): Declare.
        (gt_pch_restore_stringpool): Declare.
        (gt_pch_p_S): Declare.
        (gt_pch_n_S): Declare.
        (struct ggc_pch_data): Forward-declare.
        (init_ggc_pch): Declare.
        (ggc_pch_count_object): Declare.
        (ggc_pch_total_size): Declare.
        (ggc_pch_this_base): Declare.
        (ggc_pch_alloc_object): Declare.
        (ggc_pch_prepare_write): Declare.
        (ggc_pch_write_object): Declare.
        (ggc_pch_finish): Declare.
        (ggc_pch_read): Declare.
        (gt_pch_save): Declare.
        (gt_pch_restore): Declare.
        * fold-const.c (size_int_type_wide): Allocate size_htab using GGC.
        * emit-rtl.c (init_emit_once): Allocate const_int_htab,
        const_double_htab, mem_attrs_htab using GGC.
        * c-pch.c: Include ggc.h.
        (pch_init): Allow reading PCH file back.
        (c_common_write_pch): Call gt_pch_save.
        (c_common_read_pch): Call gt_pch_restore.
        * c-parse.in (init_reswords): Delete now-untrue comment.
        Allocate ridpointers using GGC.
        * c-objc-common.c (c_objc_common_finish_file): Write PCH before
        calling expand_deferred_fns.
        * c-common.h (ridpointers): Mark for GTY machinery.
        * Makefile.in (stringpool.o): Update dependencies.
        (c-pch.o): Update dependencies.
        (ggc-common.o): Update dependencies.
        * stringpool.c: Include gt-stringpool.h.
        (gt_pch_p_S): New.
        (gt_pch_n_S): New.
        (struct string_pool_data): New.
        (spd): New.
        (gt_pch_save_stringpool): New.
        (gt_pch_restore_stringpool): New.
        * tree.c (init_ttree): Make type_hash_table allocated using GC.

        2002-10-04  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (adjust_field_rtx_def): Don't pass size_t to printf.
        (output_mangled_typename): Don't pass size_t to printf.

        * tree.h (union tree_type_symtab): Add tag to `address' field.
        (union tree_decl_u2): Add tag to 'i' field.
        * varasm.c (union rtx_const_un): Add tags to all fields.
        * gengtype.c (struct walk_type_data): New.
        (output_escaped_param): Take struct walk_type_data parameter.
        (write_gc_structure_fields): Delete.
        (walk_type): New.
        (write_gc_marker_routine_for_structure): Delete.
        (write_func_for_structure): New.
        (gc_mark_process_field): New.
        (gc_mark_func_name): New.
        (gc_counter): Delete.
        (write_gc_types): Use write_func_for_structure.
        (write_gc_roots): Use walk_type.

        2002-10-02  Geoffrey Keating  <geoffk@apple.com>

        * ggc-common.c (ggc_mark_roots): Delete 'x'.
        (ggc_splay_dont_free): Fix warning about unused 'x'.
        (ggc_print_common_statistics): Remove warnings.

        2002-10-01  Mike Stump  <mrs@apple.com>

        * ggc-common.c (ggc_splay_alloc): Actually return the allocated area.
        * gengtype.c (write_gc_structure_fields): Handle param[digit]_is.

        2002-09-01  Geoffrey Keating  <geoffk@redhat.com>
            Catherine Moore  <clm@redhat.com>

        * Makefile (c-pch.o): Update dependencies.
        (LIBCPP_OBJS): Add cpppch.o.
        (cpppch.o): New.
        * c-common.c (c_common_init): Don't call pch_init here.
        * c-common.h (c_common_read_pch): Update prototype.
        * c-lex.c (c_common_parse_file): Call pch_init here.
        * c-opts.c (COMMAND_LINE_OPTIONS): Add -Winvalid-pch, -fpch-deps.
        (c_common_decode_option): Handle them.
        * c-pch.c: Include c-pragma.h.
        (save_asm_offset): Delete.
        (pch_init): Move contents of save_asm_offset into here, call
        cpp_save_state.
        (c_common_write_pch): Call cpp_write_pch.
        (c_common_valid_pch): Warn only when -Winvalid-pch.  Call
        cpp_valid_state.
        (c_common_read_pch): Add NAME parameter.  Call cpp_read_state.
        * cppfiles.c (stack_include_file): Update for change to
        parameters of cb.read_pch.
        * cpphash.h (struct cpp_reader): Add `savedstate' field.
        * cpplib.h (struct cpp_options): Add `warn_invalid_pch' and
        `restore_pch_deps' fields.
        (struct cpp_callbacks): Add NAME parameter to `read_pch'.
        (cpp_save_state): Prototype.
        (cpp_write_pch): Prototype.
        (cpp_valid_state): Prototype.
        (cpp_read_state): Prototype.
        * cpppch.c: New file.
        * flags.h (version_flag): Remove prototype.
        * mkdeps.c (deps_save): New.
        (deps_restore): New.
        * mkdeps.h (deps_save): Prototype.
        (deps_restore): Prototype.
        * toplev.c (late_init_hook): Delete.
        (version_flag): Make static again.
        (compile_file): Don't call late_init_hook.
        * toplev.h (late_init_hook): Delete.
        * doc/cppopts.texi: Document -fpch-deps.
        * doc/invoke.texi (Warning Options): Document -Winvalid-pch.

        2002-08-27  Geoffrey Keating  <geoffk@redhat.com>

        * c-pch.c (c_common_write_pch): Rename from c_write_pch, change
        callers.
        (c_common_valid_pch): Rename from c_valid_pch, change callers.
        (c_common_read_pch): Rename from c_read_pch, change callers.

        * c-opts.c (COMMAND_LINE_OPTIONS): Allow -output-pch= to have
        a space between it and its argument.

        2002-08-24  Geoffrey Keating  <geoffk@redhat.com>

        * c-pch.c: New file.
        * toplev.h (late_init_hook): Declare.
        * toplev.c (late_init_hook): Define.
        (version_flag): Make globally visible.
        (compile_file): Call late_init_hook.
        (init_asm_output): Make output file seekable.
        * gcc.c (default_compilers): Update c-header rule.
        * flags.h (version_flag): Declare.
        * cpplib.h (struct cpp_callbacks): Add 'valid_pch' and 'read_pch'
        fields.
        * cppfiles.c (struct include_file): Add 'pch' field.
        (INCLUDE_PCH_P): New.
        (open_file_pch): New.
        (stack_include_file): Handle PCH files specially.
        (find_include_file): Call open_file_pch instead of open_file.
        (_cpp_read_file): Explain why open_file is used instead of
        open_file_pch.
        * c-opts.c (c_common_decode_option): Correct OPT__output_pch case.
        * c-objc-common.c (c_objc_common_finish_file): Call c_write_pch.
        * c-lex.c (init_c_lex): Set valid_pch and read_pch fields
        in cpplib callbacks.
        * c-common.c (pch_file): Correct comment.
        (allow_pch): Define.
        (c_common_init): Call pch_init.
        * c-common.h (allow_pch): Declare.
        (pch_init): Declare.
        (c_valid_pch): Declare.
        (c_read_pch): Declare.
        (c_write_pch): Declare.
        * Makefile.in (c-pch.o): New.
        (C_AND_OBJC_OBJS): Add c-pch.o.
        * doc/invoke.texi (Precompiled Headers): Add index entries,
        complete truncated paragraph.

        2002-08-17  Geoffrey Keating  <geoffk@redhat.com>

        * c-common.c: (pch_file): Define.
        * c-common.h (pch_file): Declare.
        * c-opts.c (COMMAND_LINE_OPTIONS): Add --output-pch=.
        (missing_arg): Require --output-pch= to have an argument.
        (c_common_decode_option): Handle --output-pch=.
        * gcc.c: Document new %V.
        (default_compilers): Handle compiling C header files.
        (do_spec_1): Implement %V.
        (main): Handle "gcc foo.h" without trying to run linker.
        * doc/invoke.texi (Invoking GCC): Add new menu item for PCH.
        (Overall Options): Document what the driver does with header files,
        document new -x option possibilities.
        (Invoking G++): More documentation for PCH.
        (Precompiled Headers): New.

        2002-08-09  Geoffrey Keating  <geoffk@redhat.com>

        * ggc.h: Don't include varray.h.  Rearrange functions to be more
        organized.
        (ggc_add_root): Delete.
        (ggc_mark_rtx): Delete.
        (ggc_mark_tree): Delete.
        (struct ggc_statistics): Remove contents.
        * ggc-common.c: Remove unneeded includes.
        (struct ggc_root): Delete.
        (roots): Delete.
        (ggc_add_root): Delete.
        (ggc_mark_roots): Don't mark `roots'.  Call ggc_mark_stringpool.
        (ggc_print_common_statistics): Remove most of the contents.
        * Makefile.in (GGC_H): No longer uses varray.h.
        (ggc-common.o): Update dependencies.
        (c-parse.o): Add varray.h to dependencies.
        (c-common.o): Add varray.h.
        * stringpool.c (mark_ident): Use mangled name for tree marker routine.
        (mark_ident_hash): Rename to ggc_mark_stringpool.
        (init_stringpool): Don't use ggc_add_root.
        * c-parse.in: Include varray.h.
        * c-common.c: Include varray.h.
        * objc/Make-lang.in (objc-act.o): Add varray.h.
        * objc/objc-act.c: Include varray.h.

        2002-07-25  Geoffrey Keating  <geoffk@redhat.com>

        * dwarf2out.c (dw_cfi_oprnd2_desc): Fix ISO-only function definition.
        (dw_cfi_oprnd1_desc): Likewise.

        2002-07-17  Geoffrey Keating  <geoffk@redhat.com>

        * config/alpha/alpha.c (struct alpha_links): Use gengtype to mark;
        move out of ifdef.
        (alpha_links): Use gengtype to mark; move out of ifdef.
        (mark_alpha_links_node): Delete.
        (mark_alpha_links): Delete.
        (alpha_need_linkage): Use GGC to allocate splay tree, struct
        alpha_links, strings.  Don't use ggc_add_root.
        * ggc-common.c (ggc_splay_alloc): New.
        (ggc_splay_dont_free): New.
        * ggc.h (ggc_mark_rtx): Update for changed name mangling.
        (ggc_mark_tree): Likewise.
        (splay_tree_new_ggc): New.
        (ggc_splay_alloc): Declare.
        (ggc_splay_dont_free): Declare.
        * dwarf2asm.c: Include gt-dwarf2asm.h.
        (mark_indirect_pool_entry): Delete.
        (mark_indirect_pool): Delete.
        (indirect_pool): Use gengtype to mark.
        (dw2_force_const_mem): Don't use ggc_add_root.
        * Makefile.in (dwarf2asm.o): Depend on gt-dwarf2asm.h.
        (GTFILES): Add SPLAY_TREE_H, dwarf2asm.c.
        (gt-dwarf2asm.h): Depend on s-gtype.

        2002-07-08  Geoffrey Keating  <geoffk@redhat.com>

        * tree.h (union tree_type_symtab): Mark `die' field.
        * Makefile.in (dwarf2out.o): Update dependencies.
        * dwarf2out.c: Use GGC to allocate all structures.  Convert to htab_t
        hash tables.
        (dw_cfi_oprnd1_desc): New function.
        (dw_cfi_oprnd2_desc): New function.
        (indirect_string_alloc): Delete.
        (debug_str_do_hash): New function.
        (debug_str_eq): New function.
        (mark_limbo_die_list): Delete.
        (dwarf2out_init): Don't call ggc_add_root.

2003-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        The following changes are merged from itanium-sched-branch:

        2003-01-08  David Edelsohn  <edelsohn@gnu.org>

        * doc/md.texi: Clarify assignment of units to automata description.

        2003-01-08  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (unit_decl): Remove members
        `the_same_automaton_unit' and
        `the_same_automaton_message_reported_p'.
        (process_unit_to_form_the_same_automaton_unit_lists,
        form_the_same_automaton_unit_lists_from_regexp,
        form_the_same_automaton_unit_lists, the_same_automaton_lists):
        Remove them.
        (annotation_message_reported_p): New global variable.
        (check_unit_distribution_in_reserv,
        check_regexp_units_distribution): New functions.
        (check_unit_distributions_to_automata): Rewrite it.

        2003-01-04  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (form_the_same_automaton_unit_lists_from_regexp):
        Use continue instead of break if cycle is too big.

        2002-12-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (check_unit_distributions_to_automata): Output at
        most one message for a unit.
        (process_unit_to_form_the_same_automaton_unit_lists): Check
        automaton of units instead of units themself.

        * doc/md.texi: Describe the constraint about assigning unit to
        automata.

        2002-12-20  Jan Hubicka  <jH@suse.cz>
                    Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (unit_decl): Add new members `min_occ_cycle_num'
        and `in_set_p'.
        (gen_cpu_unit): Initialize the new members.
        (process_regexp_cycles): Calculate minimal finish cycle too.  Set
        up `min_occ_cycle_num'.
        (evaluate_max_reserv_cycles): Change the function call.
        (CLEAR_BIT): New macro.
        (states_union, state_shift): Use the mask.
        (initiate_excl_sets, form_reserv_sets_list): Set up `in_set_p'.
        (form_reservs_matter): New function.
        (make_automaton): Call the function and use the mask.
        (estimate_one_automaton_bound): Take `min_occ_cycle_num' into
        account.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/itanium2.md (lfetch): Change the insn reservation.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Try to insert 2 nops for M insn
        for Itanium.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (ia64_override_options): Make itanium2 as
        default cpu.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>
                2002-10-31  Dale Johannesen <dalej@apple.com>

        * haifa-sched.c (find_set_reg_weight): New function.
        (find_insn_reg_weight): Use the new function.
        (schedule_block): Do sorting ready queue always
        after insn issue.

        2002-11-27  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Use MFI template instead of MLX.

        2002-11-19  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (choice_entry): New structure.
        (choice_stack, cycle_issued_insns): New variables.
        (max_issue): Rewrite it.
        (choose_ready): Set up ready_try for unknown insns too.
        (schedule_block): Allocate and free choice_stack.  Set up
        and modify cycle_issued_insns.

        * config/ia64/ia64.c (issue_nops_and_insn): Combine insn issue
        with and without filling the bundle.
        (bundling): Combine calls of issue_nops_and_insn.

        2002-10-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/itanium1.md: New file.

        * config/ia64/itanium2.md: New file.

        * config/ia64/ia64.md: Move DFA descriptions into the new files.
        Remove the old pipeline description.

        * config/ia64/ia64.c (ia64_override_options): Add aliases of
        itanium processor names.

        2002-10-16  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Print states for Itanium2 too.
        (ia64_reorg):  Set up queried unit codes for Itanium2 too.

        * config/ia64/ia64.md: Add descriptions for Itanium2.

        2002-10-08  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.h (processor_type): New enumeration.
        (ia64_tune, ia64_tune_string): New external declarations.
        (TARGET_OPTIONS): Add option `tune='.

        * config/ia64/ia64.c (ia64_tune, ia64_tune_string): New global
        variables.
        (ia64_override_options): Set up `ia64_tune'.
        (ia64_sched_reorder2): Set up `clocks' only for Itanium.
        (ia64_dfa_new_cycle): Set up `add_cycles' only for Itanium.
        (bundling): Add nops for MM-insns only for Itanium.
        (ia64_reorg): Allocate and free `clocks' and `add_cycles' only for
        Itanium.

        * config/ia64/ia64.md (cpu): New attribute.
        (DFA description): Enable it only for Itanium.

        2002-10-08  Vladimir Makarov  <vmakarov@redhat.com>
                    Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (MASK_TUNE_STOP_BITS): Rename it to
        MASK_EARLY_STOP_BITS.
        (TARGET_TUNE_STOP_BITS): Rename it to TARGET_EARLY_STOP_BITS.
        (TARGET_SWITCHES): Rename option `tune-stop-bits' to
        `early-stop-bits'.

        * config/ia64/ia64.c (ia64_dfa_new_cycle,
        final_emit_insn_group_barriers): Use TARGET_EARLY_STOP_BITS
        instead of TARGET_TUNE_STOP_BITS.

        * doc/invoke.texi: Rename option `-mtune-stop-bits' to
        `-mearly-stop-bits'.

        * config/ia64/ia64.c (automata_option "v"): Comment it.

        2002-10-07  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.h (MASK_TUNE_STOP_BITS, TARGET_TUNE_STOP_BITS):
        New macros.
        (TARGET_SWITCHES): Add entries for the new option.

        * config/ia64/ia64.c (dfa_stop_insn, last_scheduled_insn, rtx
        dfa_pre_cycle_insn, ia64_nop): Don't make them as roots for GC.
        (stops_p, stop_before_p, clocks_length, clocks, add_cycles): New
        global variables.
        (ia64_sched_reorder2): Set up `clocks'.
        (ia64_variable_issue): Set up `stops_p' and reset `stop_before_p'.
        (ia64_dfa_new_cycle): Set up add_cycle.  Permit sorting ready
        queue when TARGET_TUNE_STOP_BITS.
        (bundling): Insert additional nops for MM-insns.
        (final_emit_insn_group_barriers): Add insertion of stop bits
        according `stops_p'.
        (ia64_reorg): Initiate the new varibales.

        * doc/invoke.texi: Add description of option `-mtune-stop-bits'.

        2002-10-02  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Modify INSN_TICK of depended
        insns at the end of block insn scheduling.

        2002-09-30  Vladimir Makarov  <vmakarov@redhat.com>

        * sched-deps.c (remove_dependence, group_leader): Remove it.
        (add_dependence): Add dependence to group leader to.
        (set_sched_group_p): Add dependence to the first insn of the
        schedule group too.
        (sched_analyze_insn): Make dependence to jump as anti-dependence.
        Change true dependence by anti-dependence when
        `reg_pending_barrier'.

        * sched-rgn.c (init_ready_list, can_schedule_ready_p,
        add_branch_dependences): Ignore schedule groups.

        * sched-ebb.c (init_ready_list): Ditto.

        * (move_insn, set_priorities): Ditto.

        * config/ia64/ia64.c (ia64_sched_init): Check that schedule group
        flag is clear after reload.
        (adjust_cost): Change cost only for output dependencies.

        * config/ia64/ia64.md: Add more insns into bypass for MM-insns.

        2002-09-26  Vladimir Makarov  <vmakarov@redhat.com>

        * Makefile.in (sched-ebb.o): Add `$(TARGET_H)' to the entry.

        * target.h (gcc_target): Add member
        `dependencies_evaluation_hook'.

        * target-def.h (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New
        macro.
        (TARGET_SCHED): Add initiatialization of the new member.

        * sched-ebb.c: Include `target.h'.
        (schedule_ebb): Call `dependencies_evaluation_hook'.

        * sched-rgn.c (schedule_region): Call
        `dependencies_evaluation_hook'.

        * config/ia64/ia64.c (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK):
        New macro.
        (ia64_dependencies_evaluation_hook): New function.

        * doc/tm.texi (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK):
        Describe the new hook.

        2002-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        * target.h (gcc_target): Add members
        `first_cycle_multipass_dfa_lookahead_guard' and `dfa_new_cycle'.

        * target-def.h (TARGET_SCHED_DFA_NEW_CYCLE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): New
        macros.
        (TARGET_SCHED): Add initiatialization of the new members.

        * haifa-sched.c (schedule_insn): Update last_clock_var for the 1st
        insn scheduling too.
        (choose_ready): Use `first_cycle_multipass_dfa_lookahead_guard' to
        initialize `ready_try'.
        (schedule_block): Use `dfa_new_cycle'.  Sort `ready' only unless
        `dfa_new_cycle' says not to do it.

        * config/ia64/ia64.md: Add DFA Itanium 1 description for insn
        bundling.

        * config/ia64/ia64.h (CPU_UNITS_QUERY): New macro.

        * config/ia64/ia64.c: Include `hashtab.h'.
        (ia64_first_cycle_multipass_dfa_lookahead_guard,
        ia64_dfa_new_cycle, final_emit_insn_group_barriers,
        ia64_dfa_sched_reorder, get_free_bundle_state, free_bundle_state,
        initiate_bundle_states, finish_bundle_states, bundle_state_hash,
        bundle_state_eq_p, insert_bundle_state,
        initiate_bundle_state_table, finish_bundle_state_table,
        try_issue_nops, try_issue_insn, issue_nops_and_insn, get_max_pos,
        get_template, get_next_important_insn, bundling): New functions.
        (ia64_internal_sched_reorder): Remove it.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,
        TARGET_SCHED_DFA_NEW_CYCLE): New macros.
        (ia64_safe_itanium_requires_unit0): Remove it.
        (group_barrier_needed_p): Place group barrier right before a real
        insn.
        (bundle, ia64_packet, NR_PACKETS, type_names, packets, packets):
        Remove them.
        (bundle_name): New variable.
        (_0mii_, _0mmi_, _0mfi_, _0mmf_, _0bbb_, _0mbb_, _0mib_, _0mmb_,
        _0mfb_, _0mlx_, _1mii_, _1mmi_, _1mfi_, _1mmf_, _1bbb_, _1mbb_,
        _1mib_, _1mmb_, _1mfb_, _1mlx_, pos_1, pos_2, pos_3, pos_4, pos_5,
        pos_6, dfa_stop_insn, last_scheduled_insn, dfa_state_size,
        temp_dfa_state, prev_cycle_state): New global variables.
        (insn_matches_slot, maybe_rotate, finish_last_head,
        rotate_one_bundle, rotate_one_bundles, nop_cycles_until,
        cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
        find_best_packet, itanium_reorder, dump_current_packet,
        schedule_stop, gen_nop_type, ia64_emit_nops): Remove them.
        (sched_data, sched_ready, sched_types): Remove them.
        (ia64_sched_init): Initiate only `last_scheduled_insn' and call
        `init_insn_group_barriers'.
        (ia64_sched_reorder, ia64_sched_reorder2): Call
        ia64_dfa_sched_reorder.
        (ia64_variable_issue): Rewrite it.
        (bundle_state): New structure.
        (index_to_bundle_states, bundle_states_num,
        allocated_bundle_states_chain, free_bundle_state_chain): New
        global variables.
        (ia64_sched_finish): Add stop bits and call `bundling' after the
        2nd insn scheduling.
        (ia64_use_dfa_pipeline_interface): Return zero always.
        (ia64_first_cycle_multipass_dfa_lookahead): Return 6 for the 2nd
        insn scheduling.
        (ia64_init_dfa_pre_cycle_insn): Initialize `dfa_state_size',
        `temp_dfa_state', `prev_cycle_state', and `dfa_stop_insn'.
        (ia64_reorg): Add bundling insns.

        * doc/tm.texi
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,
        TARGET_SCHED_DFA_NEW_CYCLE): Describe the new hooks.

        2002-09-23  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.md: Add Itanium1 DFA description.
        (itanium_class): Add `nop' and `pre_cycle'.  Add
        define_function_unit for `nop'.
        (nop): Change attribute `itanium_class'.
        (pre_cycle): New define_insn.

        * config/ia64/ia64-protos.h (bundling_p): New external variable.
        (ia64_st_address_bypass_p, ia64_ld_address_bypass_p,
        ia64_produce_address_p): New function prototypes.

        * config/ia64/ia64.c (bundling_p): New global variable.
        (ia64_use_dfa_pipeline_interface,
        ia64_first_cycle_multipass_dfa_lookahead,
        ia64_init_dfa_pre_cycle_insn, ia64_dfa_pre_cycle_insn): New
        functions.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_DFA_PRE_CYCLE_INSN): New macros.
        (ia64_sched_init, ia64_sched_reorder, ia64_sched_reorder2,
        ia64_variable_issue, ia64_sched_finish): Do nothing before reload.
        (dfa_pre_cycle_insn): New variable.

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (FINAL_PRESENCE_SET, FINAL_ABSENCE_SET): New
        constructions.

        * genattrtab.h (gen_final_presence_set, gen_final_absence_set):
        New function prototypes.

        * genattrtab.c (main): Process the new constructions.

        * genautomata.c (gen_presence_absence_set,
        process_presence_absence_names, process_presence_absence_patterns,
        add_presence_absence, check_absence_pattern_sets): Add parameter
        `final_p'.
        (unit_decl): Add new members `final_presence_list' and
        `final_absence_list'.
        (unit_pattern_rel_decl): Add new member `final_p'.
        (gen_final_presence_set, gen_final_absence_set): New functions.
        (process_decls): Use member `final_p'.
        (temp_reserv): New global variable.
        (reserv_sets_are_intersected): Add processing `final_presence_set'
        and `final_absence_set'.
        (initiate_states): Allocate `temp_reserv'.
        (unit_final_presence_set_table, unit_final_absence_set_table): New
        gloabal variables.
        (initiate_presence_absence_pattern_sets): Initiate them.
        (NDFA_to_DFA): Fix typo.
        (output_description): Output `final_presence_set' and
        `final_absence_set'.

        * doc/md.texi (final_presence_set, final_absence_set): Describe
        them.

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (transform_3): Process a missing case (nothing on
        unit place).

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (DEFINE_QUERY_CPU_UNIT, AUTOMATA_OPTION): Change
        comments about queried units and the minimization.

        * doc/md.texi: Ditto.

        * genautomata.c (create_composed_state): Return nonzero if the new
        state has been created.
        (first_cycle_unit_presence): New function.
        (state_is_differed): Add new parameter.  Use the new function.
        Take queried units into account.
        (partition_equiv_class): Pass additional parameter to
        `state_is_differed'.
        (merge_states): Process composed states too.
        (build_automaton, create_automata, output_min_issue_delay_table,
        output_tables, output_statistics): Output more information.
        (output_reserved_units_table): Use function
        `first_cycle_unit_presence'.
        (output_tables): Output table of queried units even if the
        minimization is switched on.
        (write_automata): Output code for querying units even if the
        minimization is switched on.

        2002-09-19  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (PRESENCE_SET, ABSENCE_SET): Add comments about extended
        syntax of the constructions.

        * doc/md.texi (PRESENCE_SET, ABSENCE_SET): Add description of
        extended syntax of the constructions.

        * genautomata.c (unit_rel_decl): Rename it to
        `unit_pattern_rel_decl'.
        (pattern_set_el, pattern_reserv): New structures.
        (pattern_set_el_t, pattern_reserv_t): New types.
        (gen_presence_absence_set): New function.
        (process_presence_absence): Remove it.
        (process_presence_absence_names,
        process_presence_absence_patterns): New functions.
        (get_presence_absence_set): Remove it.
        (initiate_presence_absence_sets): Rename it on
        `initiate_presence_absence_pattern_sets'.  Use new function
        `form_reserv_sets_list'.
        (form_reserv_sets_list, check_presence_pattern_sets,
        check_absence_pattern_sets, output_pattern_set_el_list): New
        functions.
        (unit_decl): Change types of members `presence_list' and
        `absence_list'.
        (unit_rel_decl): Rename member `names_num' to `all_names_num'.
        (decl): Change types of members `excl', `presence', and `absence'.
        (get_str_vect): Rename `par_flag' to `paren_p'.  Add null element
        at the end of the vector.
        (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
        gen_automaton, gen_regexp_repeat, gen_regexp_allof,
        gen_regexp_oneof, gen_regexp_sequence): Use boolean values.
        (gen_presence_set, gen_absence_set): Use new function
        `gen_presence_absence_set'.
        (add_presence_absence): Process `pattern_list' instead of
        `source_list'.
        (process_decls): USe new functions
        `process_presence_absence_names' and
        `process_presence_absence_patterns'.
        (reserv_sets_are_intersected): Use new function
        `check_presence_pattern_sets'.
        (presence_set, absence_set): Remove them.
        (unit_presence_set_table, unit_absence_set_table): New global
        variables.
        (output_description): Use new function
        `output_pattern_set_el_list'.
        (generate): Use `initiate_presence_absence_pattern_sets'.

        2002-09-18  Vladimir Makarov  <vmakarov@redhat.com>

        * genattr.c (main): Add output of prototype of new interface
        function `dfa_clean_insn_cache'.

        * genautomata.c (output_dfa_clean_insn_cache_func): New function.
        (DFA_CLEAN_INSN_CACHE_FUNC_NAME): New macro.
        (output_dfa_start_func): Use function `dfa_clean_insn_cache' in
        the generated code.
        (write_automata): Call the new function.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (unit, prefix_0f, memory attributes): Hanlde sseicvt
        correctly.

2003-01-09  Paolo Carlini  <pcarlini@unitus.it>

        * doc/tm.texi (EXTRA_ADDRESS_CONSTRAINT): Fix typo.

2003-01-09  J"orn Rennecke <joern.rennecke@superh.com>

        * defaults.h (EXTRA_MEMORY_CONSTRAINT): Add STR argument.
        (EXTRA_ADDRESS_CONSTRAINT): Likewise.
        (CONSTRAINT_LEN): Provide default definition.
        (CONST_OK_FOR_CONSTRAINT_P): Likewise.
        (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Likewise.
        (EXTRA_CONSTRAINT_STR): Likewise.
        (REG_CLASS_FROM_CONSTRAINT): Define.
        * genoutput.c (check_constraint_len, constraint_len): New functions.
        (validate_insn_alternatives): Check CONSTRAINT_LEN for each
        constraint / modifier.
        (gen_insn): Call check_constraint_len.
        * local-alloc.c (block_alloc): Update to use new macros / pass
        second argument to EXTRA_{MEMORY,ADDRESS}_CONSTRAINT.
        * ra-build.c (handle_asm_insn): Likewise.
        * recog.c (asm_operand_ok, preprocess_constraints): Likewise.
        (constrain_operands, peep2_find_free_register): Likewise.
        * regclass.c (record_operand_costs, record_reg_classes): Likewise.
        * regmove.c (find_matches): Likewise.
        * reload.c (push_secondary_reload, find_reloads): Likewise.
        (alternative_allows_memconst): Likewise.
        * reload1.c (maybe_fix_stack_asms): Likewise.
        (reload_cse_simplify_operands): Likewise.
        * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
        * doc/tm.texi (CONSTRAINT_LEN, REG_CLASS_FROM_CONSTRAINT): Document.
        (CONST_OK_FOR_CONSTRAINT_P): Likewise.
        (CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR): Likewise.
        (EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Add STR argument.
        * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Likewise.

        * sh.h (OVERRIDE_OPTIONS): Allow first scheduling pass for SH5.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_1_r_h8300): Correct the insn
        length.
        (*extzv_1_r_h8300hs): Likewise.
        (*extzv_1_r_inv_h8300): Likewise.
        (*extzv_1_r_inv_h8300hs): Likewise.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (PREDICATE_CODES): New.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_upper): New.
        (*iorsi3_shift): Likewise.
        (two splitters): Likewise.
        (*addsi3_shift): Likewise.
        (two splitters): Likewise.

2003-01-09  Josef Zlomek  <zlomj9am@artax.karlin.mff.cuni.cz>

        * Makefile.in (optabs.o): Add dependency on basic-block.h.
        * basic-block.h (control_flow_insn_p): Fuction was exported.
        * cfgbuild.c (control_flow_insn_p): Fuction was made non-static.
        * optabs.c (emit_libcall_block): Emit REG_LIBCALL and REG_RETVAL
        notes only when the region is contained in a single basic block.

2003-01-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR inline-asm/8832
        * tree.h (expand_asm): New prototype.
        * stmt.c (expand_asm): Set the MEM_VOLATILE_P flag if instructed
        to do so.
        * c-semantics (genrtl_asm_stmt): Pass the RID_VOLATILE qualifier
        down to expand_asm.
        * c-typeck.c (simple_asm_stmt): Set the RID_VOLATILE qualifier.
        * rtlanal.c (volatile_insn_p) [ASM_INPUT]: Test the MEM_VOLATILE_P flag.
        (volatile_refs_p) [ASM_INPUT]: Likewise.
        (side_effects_p) [ASM_INPUT]: Likewise.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (*mul*): FIx constraints; remove confused comment; fix
        athlon_decode attributes
        (imul/k8 optimization peep2s): New.

        * athlon.md (athlon_ssecmp*): Handle ssecomi as well.
        * i386.md (type attribute): Add ssecomi.
        (unit, memory, prefix attributes): Handle ssecomi.
        (cvt?2? patterns): Fix athlon_decode attribute
        (comi patterns): Set attribute to ssecomi.

        PR target/8343
        * m68k.md (umulsidi, mulsidi expanders): Use register operand.

2003-01-09  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PREDICATE_CODES): Add ADDRESSOF for predicates
        that match register_operands.
        * config/mips/mips.c (reg_or_0_operand, true_reg_or_0_operand): Make
        register_operand the default case.

2003-01-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/8032
        * c-typeck.c (process_init_element) [RECORD_TYPE]: For
        an empty element, do not advance the pointer to unfilled
        fields if there are pending initializers.

2003-01-09  Christian Cornelssen  <ccorn@cs.tu-berlin.de>

        * Makefile.in (ORDINARY_FLAGS_TO_PASS): Also pass DESTDIR.
        (install-gcc-tooldir, install-cpp, installdirs,
        install-common, install-driver, install-info, install-man,
        install-headers, install-include-dir, install-headers-tar,
        install-headers-cpio, install-headers-cp, install-mkheaders,
        install-collect2, uninstall): Prepend $(DESTDIR) to
        destination paths in all (un)installation commands.
        (install-driver): Rewrite $(LN) commands to support DESTDIR
        with "ln" as well as with "ln -s".
        (installdirs): Simply use mkinstalldirs.
        (install-libgcc, install-multilib): Also pass DESTDIR.
        * mklibgcc.in: Prepend $(DESTDIR) to $(libsubdir) in the
        installation destination variable ldir.
        * config/alpha/t-osf4, config/arm/t-netbsd,
        config/ia64/t-hpux, config/mips/t-iris5-6,
        config/pa/t-hpux-shlib, config/rs6000/t-aix43,
        config/rs6000/t-aix52, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld: Prepend $$(DESTDIR) to $$(slibdir)
        in the definition of SHLIB_INSTALL.
        * config/arc/t-arc (install-multilib-arc): Prepend $(DESTDIR) to
        $(libsubdir) in the installation commands.

2003-01-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (CASE_VECTOR_MODE): Use SImode for a
        non-optimizing compile.
        (ASM_OUTPUT_ADDR_VEC_ELT): Use .long for a non-optimizing
        compile.

2003-01-08  Douglas B Rupp  <rupp@gnat.com>

        * config/i386/i386.c (ix86_attribute_table): Add new attributes
        ms_struct and gcc_struct.
        (ix86_handle_struct_attribute): New function.
        (ix86_ms_bitfield_layout_p): Update to take new attributes
        into account.
        * doc/extend.texi: Document new attributes.
        * testsuite/gcc.dg/bf-ms-attrib.c: New test.

2003-01-08  Danny Smith  <dannysmith@users.sourceforge.net>

        PR optimization/8750
        * config/i386/i386.c (ix86_expand_prologue): Don't allow
        scheduling pass to move insns across __alloca call.

2003-01-08  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md:  Replace *store_multiple_string
        with *stmsi[3-8].

2003-01-08  Jeff Sturm  <jsturm@one-point.com>

        PR target/9210
        * config/rs6000/rs6000.c (rs6000_elf_encode_section_info):
        Set SYMBOL_REF_FLAG on local data sym_ref.

2003-01-08  Dale Johannesen  <dalej@apple.com>

        * function.c (assign_parms):  Don't set pretend_args_size if
          REG_PARM_STACK_SPACE.
          config/rs6000/rs6000.c (setup_incoming_varargs):  Don't set
          pretend_args_size.

2003-01-08  Nathanael Nerode  <neroden@gcc.gnu.org>

        * gcc.hlp: Delete.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.c  (ix86_expand_int_addcc): Fix thinko.

2003-01-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (FUNCTION_MODE): Always use SImode.
        * config/rs6000/rs6000.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Redefine
        as hook_bool_tree_hwi_hwi_tree_true.
        (rs6000_emit_allocate_stack): Use TARGET_32BIT.
        (rs6000_emit_epilogue): Same.
        (rs6000_output_mi_thunk): Re-implement as RTL.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Call
        xcoffout_declare_function if any debugging enabled.

2003-01-08  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*): New
        targets, to support MIPS32 Release 2 (MIPS32R2) configurations.
        * config/mips/mips.h (enum processor_type): Rename
        PROCESSOR_R4KC to PROCESSOR_4KC, PROCESSOR_R5KC to
        PROCESSOR_5KC, and PROCESSOR_R20KC to PROCESSOR_20KC.
        Add PROCESSOR_M4K.
        (TARGET_MIPS4KC, TARGET_MIPS5KC): Update for the renaming.
        (ISA_MIPS32R2): New define.
        (GENERATE_MULT3_SI, ISA_HAS_CONDMOVE, ISA_HAS_8CC)
        (ISA_HAS_MADD_MSUB, ISA_HAS_CLZ_CLO)
        (ISA_HAS_PREFETCH): Add support for MIPS32R2.
        (MIPS_ISA_DEFAULT): Likewise.  Also, fix indentation.
        (TARGET_CPU_CPP_BUILTINS): Add support for MIPS32R2.  Add new
        predefine __mips_isa_rev for MIPS32, MIPS32R2, and MIPS64.
        (ISA_HAS_ROTR_SI): Add support for MIPS32R2, and avoid if
        compiling MIPS16 code.
        (ISA_HAS_ROTR_DI): Do not use if compiling MIPS16 code, and fix
        comment.
        (ISA_HAS_SEB_SEH): New define.
        (ASM_SPEC, LINK_SPEC): Pass -mips32r2 to assembler and linker.
        * config/mips/mips.c (mips_cpu_info_table): Adjust for enum
        processor_type value renaming.  Add support for MIPS32R2.
        Clean up comments, and move "sb1" entry with other MIPS64 CPU
        entries.
        (override_options): Reimplement -mipsN option handling so that
        it will work correctly for -mips32r2.  Avoid branch-likely
        instructions on MIPS32R2.
        * config/mips/mips.md (mulsi3_mult3): Add support for MIPS32R2.
        (extendhisi2): Use extendhisi2_hw if ISA_HAS_SEB_SEH.
        (extendqisi2): Use extendqisi2_hw if ISA_HAS_SEB_SEH.
        (extendhisi2_hw, extendqisi2_hw): New.
        * config/mips/netbsd.h (TARGET_CPU_CPP_BUILTINS): Add support
        for MIPS32R2.  Add new predefine __mips_isa_rev for MIPS32,
        MIPS32R2, and MIPS64.
        (LINK_SPEC): Pass -mips32r2 to linker.
        * config/mips/t-isa3264: Built -mips32r2 multilibs.
        * doc/invoke.texi (MIPS Options): Add -mips32r2, add support
        for mips32r2 in the -march description.  Alphabetically sort
        CPU names in the -march description.  Add long-missed -mips32
        and -mips64 to MIPS option summary.

        * config.gcc: Update copyright years to include 2003.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mips/mips.md: Likewise.
        * config/mips/netbsd.h: Likewise.
        * doc/invoke.texi: Likewise.

2003-01-08  Andreas Schwab  <schwab@suse.de>

        * aclocal.m4 (gcc_AC_INITFINI_ARRAY): Fix spelling of cache
        variable.
        * configure: Regenerated.

2003-01-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Replace byte/word
        extraction of det with b0, b1, w0, w2, etc.
        (compute_logical_op_length): Likewise.
        (compute_logical_op_cc): Likewise.

2003-01-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (CONSTANT_ADDRESS_P): Allow CONST and
        HIGH on all variants.

2003-01-08  Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz>

        * Makefile.in (PARTITION_H): New.
        (BASIC_BLOCK_H): Added hard-reg-set.h and $(PARTITION_H).
        * basic-block.h: Include hard-reg-set.h.

2003-01-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (ENABLE_XF_PATTERNS): Delete.
        * arm.md (addxf3, subxf3, mulxf3, divxf3, modxf3, negxf2, absxf2)
        (sqrtxf2, floatsixf2, fix_truncxfsi2, truncxfsf2, truncxfdf2)
        (extendsfxf2, extenddfxf2, movxf, cmpxf, cmpxf_insn)
        (cmpxf_trap): Delete.
        (movxf_hard_insn): Remove test of ENABLE_XF_PATTERNS.

2003-01-08  Jan Hubicka  <jh@suse.cz>

        * i386.md (adddi3_carry_rex64, subdi3_carry_rex64): Name pattern.
        (addhi3_carry, addqi3_carry, subhi3_carry, subqi3_carry): New patterns.
        (add??cc): New expanders.
        * i386.c (expand_int_addcc): New function.
        * i386-protos.h (expand_int_addcc): Declare.

        * alias.c (memory_modified_1): New static function.
        (memory_modified): New static varaible.
        (memory_modified_in_insn_p): New global function.
        * rtl.h (memory_modified_in_insn_p): Declare.
        * rtlanal.c (modified_between_p, modified_in_p): Be smart about memory
        references.

        * expr.h (emit_conditional_add): Declare.

2003-01-07  Janis Johnson  <janis187@us.ibm.com>

        PR other/8947
        * doc/invoke.texi (-malign-double): Explain that the option breaks
        binary compatibility.

2003-01-08  Andreas Schwab  <schwab@suse.de>

        * config.gcc (m68k-*-linux*): Don't set extra_parts and gnu_ld,
        should come from the generic *-*-linux* entry.

2003-01-07  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_current_insn_in_libcall): New static variable.
        (new_elt_loc_list, cselib_process_insn, cselib_init): Keep track on whether
        we are inside libcall.
        * cselib.h (elt_loc_list): Add in_libcall.
        * gcse.c (do_local_cprop): Do not copy propagate using insns
        in libcalls.

2003-01-07  David Edelsohn  <edelsohn@gnu.org>

        * doc/tm.texi (TARGET_SCHED_VARIABLE_ISSUE): CLOBBER and USE do
        not normally affect to issue rate.

2003-01-07  Jan Hubicka  <jh@suse.cz>

        * genopinit.c (optabs): Add addc_optab.
        * ifcvt.c (noce_try_store_flag): Rename to ...
        (noce_try_addcc): ... this one; handle generic conditional increment.
        (noce_process_if_block): Update noce_try_addcc call.
        * optabs.c (emit_conditional_add): New.
        (init_obtabs): Initialize addc_optab.
        * optabs.h (optab_index): Add OTI_addcc.
        (addcc_optab): New macro.
        * md.texi: Document addMcc

        PR target/8322
        * i386.c (ix86_init_mmx_sse_builtins): Constify arguments of loads.
        * xmmintrin.h (_mm_load*_si128. _mm_store*_si128): Add casts.
        * xmmintrin.h (_mm_load*_si128. _mm_store*_si128): Add casts.

        * reload1.c (delete_output_reload): Avoid repeated attempts
        to delete insn.

2003-01-07  Andreas Schwab  <schwab@suse.de>

        * configure.in: Restore CFLAGS before gcc_AC_INITFINI_ARRAY.
        Move --enable-initfini-array check ...
        * aclocal.m4 (gcc_AC_INITFINI_ARRAY): ... here.  Define
        HAVE_INITFINI_ARRAY also when --enable-initfini-array is given.
        Don't AC_SUBST gcc_cv_initfinit_array.  Use AC_TRY_RUN.
        * configure: Rebuild.

2003-01-07  Richard Henderson  <rth@redhat.com>

        * alias.c (find_base_value): Only use new_reg_base_value shortcut
        if the register is set once.

2003-01-07  Sylvain Pion <Sylvain.Pion@mpi-sb.mpg.de>

        * config/i386/i386.c (ix86_init_mmx_sse_builtins):
        __builtin_ia32_ldmxcsr and __builtin_ia32_stmxcsr are SSE, not MXX.
        * config/i386/i386.md (ldmxcsr, stmxcsr): SSE, not MMX.

2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
            Sunil Davasam  <sunil.k.davasam@intel.com>

        PR libstdc++/9076
        * unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
        DW_CFA_same_value, read next and ignore.

2003-01-07  Richard Henderson  <rth@redhat.com>

        * cfganal.c (flow_call_edges_add): Don't crash on noreturn call.

2003-01-07  Daniel Berlin  <dberlin@dberlin.org>

        * cfg.c: Include alloc-pool.h
        (edge_pool): New pool.
        (bb_pool): New pool.
        (first_deleted_edge): Remove.
        (first_deleted_block): Remove.
        (init_flow): Alloc/free the pools.
        (free_edge): Use pools.
        (alloc_block): Ditto.
        (expunge_block): Ditto.
        (cached_make_edge): Ditto.

        * Makefile.in (cfg.o): Add alloc-pool.h dependency.

2003-01-07  Daniel Berlin  <dberlin@dberlin.org>

        * et-forest.c: Include alloc-pool.h.
        (struct et_forest): Add node_pool and occur_pool.
        (et_forest_create): Create the new pools.
        (et_forest_delete): Delete them.
        (et_forest_add_node): Allocate and free using pools.
        (et_forest_add_edge): Ditto.
        (et_forest_remove_node): Ditto.
        (et_forest_remove_edge): Ditto.

        * Makefile.in (et-forest.o): Add alloc-pool.h dependency.

2003-01-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Simplify and
        optimize the handling of SImode.
        * config/h8300/h8300.c (compute_logical_op_length): Update
        accordingly.
        * config/h8300/h8300.c (compute_logical_op_cc): Likewise.

2003-01-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_va_arg): In the EABI code, apply the
        big-endian correction to indirect arguments too.

2003-01-06  Aldy Hernandez  <aldyh@redhat.com>

        Segher Boessenkool  <segher@koffie.nl>

        * config/rs6000/rs6000.c (rs6000_reg_names): Add missing registers.
        (alt_reg_names): Ditto, fix formatting.
        * config/rs6000/rs6000.h (DEBUG_REGISTER_NAMES): Fix formatting.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (final_prescan_insn): Constify uid.
        (output_logical_op): Constify intval and det.
        (compute_logical_length): Likewise.
        (compute_logical_cc): Likewise.
        (output_a_shift): Constify mask.
        (h8300_encode_label): Constify len.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_expand_prologue): Remove fsize.
        (h8300_expand_epilogue): Likewise.

2003-01-06  Aldy Hernandez  <aldyh@redhat.com>

        Segher Boessenkool  <segher@koffie.nl>

        * config/rs6000/altivec.md: Remove spaces from assembler
        instruction argument lists.

2003-01-07  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_naked_function_p): Rename from
        c4x_assembler_function_p.
        (c4x_null_epilogue_p): Complement return value, all uses updated.
        (c4x_insert_attributes): Add naked.
        * config/c4x/c4x.md (c4x_null_epilogue_p): Changes uses.
        * doc/extend.texi: Update C4x function attributes.

2003-01-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_encode_section_info): Adjust symbol_str
        properly when changing "local-ness".
        * config/alpha/alpha.md (movdi_er_high_g): Allow all symbols.

2003-01-06  Dale Johannesen  <dalej@apple.com>

        * config/darwin-protos.h:  Add prototypes for new section functions.

2003-01-06  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*): Default ABI
        to EABI.

2003-01-06  Zack Weinberg  <zack@codesourcery.com>

        * hwint.h: If the current compiler has no 64-bit type at all,
        make HOST_WIDEST_INT 32 bits.

2003-01-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md (movdf_internal2): Fix constraints.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*twoshifts_l16_r1): New.

2003-01-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (leadi): Use dla rather than la.

2003-01-06  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/c4x/c4x.h: Updated specs for new gas format.  Fixed bug
        in C33_FLAG.  Added proper C33 support in ASM_FILE_START macro.

2003-01-06 Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        * config/c4x/c4x.h: Remove hwint.h include and HOST_WIDE_INT_PRINT_HEX
        redefinition.

2003-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_23): New.

2003-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa64-hpux.h (JCR_SECTION_NAME): Define.
        (PA_INIT_FRAME_DUMMY_ASM_OP): Check EH_FRAME_SECTION_NAME instead of
        USE_EH_FRAME_REGISTRY when defining.

2003-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_a_shift): Do not output a
        variable shift.
        * config/h8300/h8300.md (two splitters): New.

2003-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Disable the movstrsi define_split.

2003-01-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c: Don't include "libiberty.h".
        * config/sparc/gmon-sol2.c: Include <fcntl.h>.
        * convert.c (convert_to_real): Hide unused variable.

2003-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (gtyp-gen.h): Const-ify.
        * gcov-dump.c (tag_table): Likewise.

2003-01-04  Bruce Korb  <bkorb@gnu.org>

        * fixinc/fixfixes.c(wrap_fix): the wrapper guard must be a function
        of *both* the file name and the fix name.

2003-01-04  John David Anglin  <dave.anglin@nrc.ca>

        * config.gcc (hppa*64*-*-hpux11*): Define extra_parts.  Don't use
        collect2.
        * pa-hpux11.h (LDD_SUFFIX, PARSE_LDD_OUTPUT): Undefine.
        (HAS_INIT_SECTION, LD_INIT_SWITCH, LD_FINI_SWITCH): Define.
        * pa64-hpux.h (HP_INIT_ARRAY_SECTION_ASM_OP,
        GNU_INIT_ARRAY_SECTION_ASM_OP, HP_FINI_ARRAY_SECTION_ASM_OP,
        GNU_FINI_ARRAY_SECTION_ASM_OP): Define.
        (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Define when not using
        elfos.h.
        (EH_FRAME_IN_DATA_SECTION): Delete define.
        (HAS_INIT_SECTION, LD_INIT_SWITCH, LD_FINI_SWITCH): Undefine.
        (STARTFILE_SPEC): Use crtbegin.o.
        (ENDFILE_SPEC): Use crtend.o.
        (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION,
        SUPPORTS_INIT_PRIORITY, PA_CXA_FINALIZE_STUB, PA_INIT_FINI_HACK,
        PA_INIT_FRAME_DUMMY_ASM_OP, PA_JV_REGISTERCLASSES_STUB,
        DTOR_LIST_BEGIN): Define.
        * pa.c (TARGET_ASM_CONSTRUCTOR): Define.
        (pa_asm_out_constructor, pa_asm_out_destructor): New functions.
        * som.h (SUPPORTS_INIT_PRIORITY): Delete define.

2002-12-31  Larin Hennessy  <larin@science.oregonstate.edu>

        * fixinc/fixinc.svr4: Remove references to i860, Sony NewsOS, and spur.
        * fixinc/inclhack.def: Remove tests for Apple A/UX, ARM/RISCiX, DG/UX,
        m88k-*-sysv3*, Sony NewsOS.   Remove references to i860.
        Cleanup handling of replacement text.
        * fixinc/mkfixinc.sh: Remove reference to i?86-*-osf1*

2003-01-04  Bruce Korb  <bkorb@gnu.org>

        * fixinc/tests/base/math.h: removed obsolete results
        * fixinc/tests/base/stdlib.h: ditto
        * fixinc/tests/base/sys/param.h: ditto
        * fixinc/tests/base/sys/stat.h: ditto
        * fixinc/tests/base/time.h: ditto
        * fixinc/tests/base/X11/Intrinsic.h: removed obsolete file
        * fixinc/tests/base/sys/byteorder.h: ditto
        * fixinc/inclhack.def: Remove superfluous backslashes

2003-01-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        the new functions defined below.
        * config/h8300/h8300.c (TARGET_ASM_FUNCTION_PROLOGUE): Do not
        define.
        (dosize): Emit RTL instead of assembly code.
        (push): Likewise.
        (pop): Likewise.
        (h8300_output_function_prologue): Remove.
        (h8300_expand_prologue): New.
        (h8300_expand_epilogue): New.
        (h8300_output_function_epilogue): Do only the reset of
        pragma_saveall.
        * config/h8300/h8300.md (push_h8300): New.
        (push_h8300hs): Likewise.
        (pop_h8300): Likewise.
        (pop_h8300hs): Likewise.
        (*stm_h8300s_2): Change the name to stm_h8300s_2.
        (*stm_h8300s_3): Change the name to stm_h8300s_3.
        (*stm_h8300s_4): Change the name to stm_h8300s_4.
        (*ldm_h8300s_2): New.
        (*ldm_h8300s_3): Likewise.
        (*ldm_h8300s_4): Likewise.
        (return): Likewise.
        (*return_1): Likewise.
        (prologue): Likewise.
        (epilogue): Likewise.
        (monitor_prologue): Likewise.

2003-01-03  Dale Johannesen  <dalej@apple.com>

        * config/darwin.h:  (EXTRA_SECTIONS):  Add machopic_symbol_stub1,
          machopic_picsymbol_stub1.
          (EXTRA_SECTION_FUNCTIONS):  Ditto.
        * rs6000/rs6000.c:  Update copyright.
          (machopic_output_stub):  Use them.  Remove an insn from stub code.

2003-01-02  Jason Merrill  <jason@redhat.com>

        * fold-const.c (fold) [COND_EXPR]: Avoid NOP_EXPRs better.

        * integrate.c (copy_decl_for_inlining): Don't clear the rtl for
        static/external decls.

        * c-common.c (finish_fname_decls): Put the DECL_STMTs inside the
        outermost scope.
        * c-decl.c (c_make_fname_decl): Push the decls there, too.

2003-01-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_current_function_interrupt_function_p.
        * config/h8300/h8300.c (interrupt_handler): Remove.
        (os_task): Likewise.
        (monitor): Likewise.
        (pragma_interrupt): New.
        (WORD_REG_USED): Use
        h8300_current_function_interrupt_function_p.
        (dosize): Likewise.
        (h8300_output_function_prologue): Likewise.
        Do not set interrupt_handler, os_task, monitor.
        (h8300_output_function_prologue): Use
        h8300_current_function_interrupt_function_p.
        Do not set interrupt_handler, os_task, monitor.
        (h8300_current_function_interrupt_function_p): New.
        (h8300_pr_interrupt): Set pragma_interrupt.
        (h8300_insert_attributes): Reset pragma_interrupt.

2003-01-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Configuration): Fix markup for reference to
        gcc/config.gcc.

2003-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorhi3_zext): Relax the condition.
        (*iorhi3_two_qi): Likewise.
        (*iorsi3_zexthi): Likewise.
        (*xorhi3_zextqi): Likewise.
        (*xorsi3_zexthi): Likewise.
        (*xorsi3_zextqi): Likewise.

2003-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (stack_pointer_operand): New.
        (const_int_gt_2_operand): Likewise.
        (const_int_ge_8_operand): Likewise.
        * config/h8300/h8300.md (a splitter): Likewise.
        (a peephole2): Likewise.
        * config/h8300/h8300-protos.h: Add prototypes for the new
        functions above.

2003-01-02  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * objc/Make-lang.in, objc/config-lang.in, objc/lang-specs.h,
        objc/objc-act.h: Fix copyright years.

2003-01-02  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * doc/passes.texi: Fix documentation for -fssa-ccp

2003-01-02  Neil Booth  <neil@daikokuya.co.uk>

        * gccbug.in: Update for new categories.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Reorder some patterns.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Fix a warning.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * config/darwin-protos.h, config/c4x/c4x-protos.h,
        config/cris/cris-protos.h, config/i370/i370-protos.h,
        config/i960/i960-protos.h, config/ia64/ia64-protos.h,
        config/v850/v850-protos.h: Use struct, and don't conditionally
        compile on GCC_C_PRAGMA_H.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm-protos.h: Remove #ifdef GCC_C_PRAGMA_H.
        * config/h8300/h8300-protos.h: Likewise.
        * config/sh/sh-protos.h: Likewise.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm-protos.h: Use struct cpp_reader instead of
        cpp_reader.
        * config/h8300/h8300-protos.h: Likewise.
        * config/sh/sh-protos.h: Likewise.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * config/arm/arm.c (arm_pr_long_calls, arm_pr_no_long_calls,
        arm_pr_long_calls_off): Use struct.
        * config/h8300/h8300.c (h8300_pr-interrupt, h8300_pr_saveall)
        : Similarly.
        Don't include cpplib.h.
        * config/sh/sh.c (sh_pr_interrupt, sh_pr_trapa,
        sh_pr_nosave_low_regs): Similarly.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Include cpplib.h.

2003-01-01  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * objc/Make-lang.in, objc/config-lang.in, objc/lang-options.h,
          objc/lang-specs.h, objc/objc-act.c, objc/objc-act.h,
          objc/objc-lang.c, objc/objc-tree.def: Replace "GNU CC" with
          "GCC" in the copyright header.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * c-pragma.c (c_register_pragma): New.
        (init_pragma): Use it.
        * c-pragma.h (cpp_register_pragma): Don't declare.
        (c_register_pragma): New.
        * cpplib.h: Remove #ifdef GCC_C_PRAGMA_H.
        * config/darwin.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/arm/arm.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/h8300/h8300.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/i370/i370.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/i960/i960.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/ia64/hpux.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/sh/sh.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/v850/v850.h (REGISTER_TARGET_PRAGMAS): Update.
        * doc/tm.texi (REGISTER_TARGET_PRAGMAS): Update

See ChangeLog.8 for earlier changes.