2002-04-19 Joel Sherrill <joel@OARcorp.com>

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

2002-04-19      Joel Sherrill <joel@OARcorp.com>

        * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF
        targets.

2002-04-19  Tom Tromey  <tromey@redhat.com>

        * doc/install.texi (Specific): Update status of Solaris 2.8.
        For PR libgcj/6158.

2002-04-19  Andreas Schwab  <schwab@suse.de>

        * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE.
        (PUT_REAL): Restore old definition.

2002-04-19  Dan Nicolaescu  <dann@godzilla.ics.uci.edu>
            Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that
        binutils 2.11.2 and higher generate smaller binaries than Sun's
        native tools.

2002-04-19  Mark Mitchell  <mark@codesourcery.com>

        PR c++/6352
        * toplev.c (rest_of_compilation): Do not defer functions for which
        TREE_SYMBOL_REFERENCED has already been set.

Fri Apr 19 15:53:03 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (movsi_1, movhi_1): Force reload to use more flexible
        alternative.

2002-04-19  Neil Booth  <neil@daikokuya.demon.co.uk>

        * builtins.c: Include langhooks.h.
        (lang_type_promotes_to): Remove.
        (expand_builtin_va_arg): Use new hook.
        * c-common.c (c_common_nodes_and_builtins): Don't set hook.
        (simple_type_promotes_to): Move to c-typeck.c.
        * c-common.h (simple_type_promotes_to): Remove.
        * c-decl.c (duplicate_decls, grokdeclarator): Update.
        * c-format.c: Include langhooks.h.
        (check_format_types): Update.
        * c-tree.h (c_type_promotes_to): New.
        * c-typeck.c (c_type_promotes_to): Move from c-common.c.
        (type_lists_compatible_p): Update.
        * langhooks-def.h (lhd_type_promotes_to): New.
        (LANG_HOOKS_TYPE_PROMOTES_TO): New.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
        * langhooks.c (lhd_type_promotes_to): New.
        * langhooks.h (struct lang_hooks_for_types): New hook.
        * tree.h (lang_type_promotes_to): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * function.c: Revert patch for c/6358.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN
        blocks.  Handle multiple references to the TRAP block.  Handle
        non-adjacent THEN and OTHER blocks.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't
        crash with no type for by-mode libcalls.

        * config/ia64/ia64.md (conditional_trap): Fix predicate polarity.

2002-04-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
        __xtensa_nonlocal_goto): Use a syscall instructions to flush
        the register windows.

2002-04-18  Zack Weinberg  <zack@codesourcery.com>

        * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
        appropriate.  Document need for extended precision even when
        MAX_LONG_DOUBLE_TYPE_SIZE is smaller.  Define REAL_WIDTH here,
        based on REAL_VALUE_TYPE_SIZE.  Use REAL_WIDTH to size
        REAL_VALUE_TYPE.  Define CONST_DOUBLE_FORMAT here.  Use #error
        instead of relying on later syntax error when REAL_WIDTH > 5.
        * real.c: Define NE based only on whether or not we have a
        full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
        Require sizeof(REAL_VALUE_TYPE) == 2*NE.  Unconditionally
        define GET_REAL and PUT_REAL as simple memcpy operations; no
        need to byteswap or round.
        Use #error instead of #ifdef-ing out the entire file, for
        prompt error detection.

        * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.

2002-04-18  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.h (BRANCH_COST): Define.

        * fold-const.c (BRANCH_COST): Don't provide default here, expr.h
        does it.

2002-04-18  Hans-Peter Nilsson  <hp@bitrange.com>

        * flow.c (update_life_info): Ignore return value of cleanup_cfg.
        Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in
        propagate_block calls after relaxation loop using new variable
        stabilized_prop_flags.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
        (ia64_va_arg): Expect variable sized types by reference.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
        ia64_function_arg_pass_by_reference.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * ifcvt.c: Include except.h.
        (block_has_only_trap): Break out from find_cond_trap.
        (find_cond_trap): Use it.  Always delete the trap block.
        (merge_if_block): Allow then block null.  Be less simplistic about
        what insns can end a block.
        * Makefile.in (ifcvt.o): Depend on except.h.

        * config/ia64/ia64.md (trap, conditional_trap): New.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR c/6358
        * function.c (assign_parms): Assign hard current_function_return_rtx
        register here...
        (expand_function_end): ...not here.

2002-04-18  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
        * c-tree.h (c_incomplete_type_error): New.
        * c-typeck.c (require_complete_type, build_component_ref): Update.
        (incomplete_type_error): Rename.
        * langhooks-def.h (lhd_incomplete_type_error): New.
        (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
        * langhooks.c (lhd_incomplete_type_error): New.
        * langhooks.h (struct lang_hooks_for_types): New hook.
        * tree.c (size_in_bytes): Use new hook.
        * tree.h (incomplete_type_error): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.

2002-04-18  Zack Weinberg  <zack@codesourcery.com>

        * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT !=
        TARGET_FLOAT_FORMAT blocks.

2002-04-18  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Downloading the source): Do not mention Chill
        any longer, but mention Ada.
        (Configuration): Do not mention Chill any longer.

2002-04-18  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (TARGET_VERSION): Remove local version number.

Thu Apr 18 17:14:08 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution
        in last patch.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type)
        instead of unsigned_type.

Thu Apr 18 15:49:12 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check.
        * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped
        later.

2002-04-18  Bernd Schmidt  <bernds@redhat.com>

        * attribs.c (vector_type_node_list): New static variable.
        (handle_vector_size_attribute): Use it to avoid generating a
        new type node each time we are called.

        * combine.c (subst): Avoid trying to make a vector mode subreg of
        an integer constant.
        (gen_lowpart_for_combine): Likewise.

2002-04-18  Roger Sayle  <roger@eyesopen.com>
            Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c)
        for integer constant c (if x has unsigned type or sign bit is not
        set in c).  This folds the zero/sign extension into the bit-wise and
        operation.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6205
        * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2,
        otherwise xorps.

2002-04-17  NIIBE Yutaka  <gniibe@m17n.org>

        * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL.

2002-04-17  Nick Clifton  <nickc@cambridge.redhat.com>

        * gcc.c (read_specs): Detect and fail if an attempt is made to
        rename a spec string to an already existing string.

2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimize_pic_address): Do not generate
        illegal address constant without CONST.

2002-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64.
        * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.

2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>

        PR optimization/6305
        * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement
        to make sure previous reloads are taken into account.  Generate
        better code if one operand is an in-range immediate constant.

2002-04-16  Andrew Haley  <aph@cambridge.redhat.com>

        * doc/install.texi (Building): libgcj requires GNU make.

2002-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/6315
        * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
        even if hard quad and register is not floating.
        (movtf reg<-mem split): Disallow splitting if hard quad and
        register is floating.
        (movtf mem<-reg split): Likewise.
        * config/sparc/sparc.c (fp_register_operand): New predicate.
        * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.

2002-04-17  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (PROTO_OBJS): Add cppdefault.o.
        (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line.
        (unprotoize.o): Ditto.  Build from protoize.c.  Define
        UNPROTOIZE on command line.
        * protoize.c: Include cppdefault.h.  Delete include_defaults.
        (in_system_include_dir): Use cpp_include_defaults (defined in
        cppdefault.o).
        * unprotoize.c: Delete file.

2002-04-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_ld): Add array variants.
        (vec_lde): Same.
        (vec_ldl): Same.

2002-04-17  Alan Matsuoka  <alanm@redhat.com>
            Aldy Hernandez <aldyh@redhat.com>

        * config/rs6000/altivec.h: Define __ALTIVEC__.
        (bool): New.
        (__pixel): New.
        (pixel): New.
        (vec_cfux): New.
        (vec_vmaddfp): New.
        (vec_vsldoi): New.
        Add parentheses to all macro arguments.

2002-04-16  Richard Henderson  <rth@redhat.com>

        PR c++/6320
        * except.c (remove_eh_handler): Insert inner regions at beginning
        of sibling chain.  Refactor expressions.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New.
        * config/sparc/sol2-gas-bi.h: New file.
        * config.gcc (sparc*-solaris): Add it as needed.
        * configure.in (AS_SPARC64_FLAG): Remove check.
        * config.in, configure: Regenerate.

        * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.c (override_options): Don't override N32 for
        a 64-bit ISA.

        PR 6202
        * config/mips/mips.md (can_delay): Split out of existing define_delays.
        (HILO_delay): Set can_delay false.

2002-04-16  Dale Johannesen <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute
        instruction addresses.
        (rs6000_output_function_epilogue): Likewise.

2002-04-16  Paolo Carlini  <pcarlini@unitus.it>

        * c-parse.in (poplevel, compstmt_start,
        compstmt_primary_start): Add ending ';', in accordance
        with POSIX.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparcv9-solaris): Configure for 64-bit default.
        Adjust tm_file order to get TARGET_DEFAULT set properly.
        (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
        * doc/install.texi (sparc-solaris): Update.

2002-04-16  Dale Johannesen <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
        comparison operands do not match each other or if modes of
        conditions do not match result.

2002-04-16  Hartmut Penner <hpenner@de.ibm.com>

        PR target/6305
        * config/s390/s390.md (mulsidi3): Set both subregs of the
        multiword register.

2002-04-16  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_addc): Type check.

2002-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6279
        * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target.

        * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set
        call_really_used_regs too.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd.

2002-04-15  David S. Miller  <davem@redhat.com>

        * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
        as being CLOBBERed.

2002-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/6290
        * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
        CONST_VECTOR is { 0, ... 0 }.

2002-04-15  Loren J. Rittle  <ljrittle@acm.org>

        * doc/install.texi (Installing GCC: Configuration): Clarify
        the only supported ways to configure gcc.

2002-04-15  Roland McGrath  <roland@frob.com>

        * config.gcc (alpha*-*-gnu*): New target configuration.
        * config/alpha/gnu.h: New file for it.
        * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define.

2002-04-16  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (STMT_EXPR_NO_SCOPE): New macro.
        * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE.
        * tree.h (expand_start_stmt_expr): Update prototype.
        * stmt.c (expand_start_stmt_expr): Add has_scope parameter.
        * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE
        on the STMT_EXPR created for the inline function.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h,
        config/i386/linux-aout.h, config/i386/linux-oldld.h,
        config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h,
        config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h,
        config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h,
        config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h,
        config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES):
        Define __gnu_linux__, not gnu_linux.
        * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd.

2002-04-15  Mark Mitchell  <mark@codesourcery.com>

        Remove Chill front end.
        * gcc.c (default_compilers): Remove Chill entries.
        * ch: Remove directory.
        * doc/frontends.texi: Remove information about Chill.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.

2002-04-15  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include.
        (LONGLONG_STANDALONE): Define.

2002-04-15  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_emit_float_lib_cmp):
        Call emit_library_call with LCT_NORMAL.
        (sparc_initialize_trampoline): Use LCT_foo instead of
        magic constant in emit_library_call invocations.
        (sparc64_initialize_trampoline): Likewise.
        (sparc_profile_hook): Likewise.
        * config/sparc/sparc.md: Likewise.

        * config/sparc/sparc.c (sparc_extra_constraint_check):
        Fix type of argument 'c'.
        * config/sparc/sparc-protos.h (sparc_extra_constraint_check):
        Likewise.

2002-04-15  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>

        * diagnostic.h (output_buffer_state): Redefine.
        (output_format_decoder): New macro.
        (output_prefixing_rule): Likewise.
        (output_line_cutoff): Likewise.
        (diagnostic_format_decoder): Adjust.
        (diagnostic_prefixing_rule): Likewise.
        (diagnostic_line_cutoff): Likewise.
        (diagnostic_state): Likewise.
        (diagnostic_kind_count): Likewise.
        (diagnostic_buffer): Now a macro.

        * diagnostic.c (diagnostic_buffer): Remove definition.
        (output_is_line_wrapping): Adjust.
        (set_real_maximum_length): Likewise.
        (output_set_maximum_length): Likewise.
        (init_output_buffer): Likewise.
        (lhd_print_error_function): Likewise.
        (output_do_verbatim): Likewise.

2002-04-14  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpperror.c (print_location): Don't print include chain
        if line == 0.
        (cpp_begin_message): Update to use DL_ macros.
        (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
        cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
        cpp_notice, cpp_notice_from_errno): Remove.
        (cpp_error, cpp_error_with_line): Update to take a diagnostic
        level.
        (cpp_errno): New.
        * cppexp.c (CPP_ICE): Remove.
        (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
        lex, integer_overflow, _cpp_parse_expr): Update.
        * cppfiles.c (read_include_file, find_include_file,
        handle_missing_header, _cpp_read_file, remap_filename): Update.
        * cpphash.h (enum error_type): Remove.
        (_cpp_begin_message): Update.
        * cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
        cpp_handle_option, cpp_post_options): Update.
        * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
        skip_whitespace, parse_identifier, parse_slow, parse_string,
        _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
        cpp_interpret_charconst): Update.
        * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
        lex_macro_node, do_undef, glue_header_name, parse_include,
        do_include_common, read_flag, do_line, do_linemarker, do_ident,
        cpp_register_pragma, do_pragma_once, do_pragma_system_header,
        do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
        do_elif, do_endif, parse_answer, parse_assertion, do_assert,
        _cpp_pop_buffer, do_diagnostic): Update.
        * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
        DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
        (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
        cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
        cpp_notice, cpp_notice_from_errno): Remove.
        (cpp_error, cpp_error_with_line): Update to take a diagnostic
        level.
        (cpp_errno): New.
        * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
        collect_args, enter_macro_context, save_parameter, parse_params,
        _cpp_create_definition, check_trad_stringification,
        cpp_macro_definition): Update.
        * cppmain.c (cpp_preprocess_file): Update.
        * fix-header.c (read_scan_file): Update.

2002-04-14  Andreas Schwab  <schwab@suse.de>

        * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash.

2002-04-14  Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>

        * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define.

2002-04-13  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__,
        not gnu_hurd.

2002-04-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo.

2002-04-13      Joel Sherrill <joel@OARcorp.com>

        * config/sparc/t-elf: Enable v8 multilibs.  Impacts
        sparc-elf and sparc-rtems targets.

2002-04-13  Mark Mitchell  <mark@codesourcery.com>

        * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is
        defined, and __gnu_hurd__ wherever __GNU__ is defined.
        * arm/linux-elf.h: Likewise.
        * cris/aout.h: Likewise.
        * cris/linux.h: Likewise.
        * i370/linux.h: Likewise.
        * i386/gnu.h: Likewise.
        * i386/linux-aout.h: Likewise.
        * i386/linux-oldld.h: Likewise.
        * i386/linux.h: Likewise.
        * i386/linux64.h: Likewise.
        * ia64/linux.h: Likewise.
        * m68k/linux-aout.h: Likewise.
        * m68k/linux.h: Likewise.
        * mips/linux.h: Likewise.
        * pa/pa-linux.h: Likewise.
        * pj/linux.h: Likewise.
        * rs6000/sysv4.h: Likewise.
        * s390/linux.h: Likewise.
        * sh/linux.h: Likewise.
        * sparc/linux-aout.h: Likewise.
        * sparc/linux.h: Likewise.
        * sparc/linux64.h: Likewise.
        * xtensa/linux.h: Likewise.

2002-04-13  Richard Sandiford  <rsandifo@redhat.com>

        * stmt.c (check_unique_operand_names): Expect operand names to
        be strings rather than identifiers.  Use simple_cst_equal to
        compare them.
        (resolve_operand_name_1): Make same identifier to string change here.
        * c-parse.in (asm_operand): Convert a named operand into a string.
        * cp/parse.y (asm_operand): Likewise.

2002-04-13  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu).

2002-04-12  Mark Mitchell  <mark@codesourcery.com>

        Revert these changes:

        2002-04-06  Mark Mitchell  <mark@codesourcery.com>

        PR c++/5571
        * stor-layout.c (layout_decl): Reset the RTL for the decl.

2002-04-12  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparcv9-*-solaris2): Default to 32-bit code.
        (sparc*-*-solaris): Clean up header files.
        * configure.in (AS_SPARC64_FLAG): Error out if can't find it
        and plan on generating 64-bit code.
        * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2.
        * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code.
        * config/sparc/sol2-sld-64.h: Rename ...
        * config/sparc/sol2-bi.h: ... here.  Remove the bits that checked
        for AS_SPARC64_FLAG not defined.
        * config/sparc/sol2-gld-bi.h: New.
        * config/sparc/sol2-sld.h: Remove.
        * config/sparc/sol26-sld.h: New.
        * config/sparc/sol2.h: Tidy comments.
        * doc/install.texi: Document sparc-solaris configury changes.

2002-04-12  Richard Henderson  <rth@redhat.com>

        * recog.c (offsettable_address_p): Match the logic in adjust_address.

        * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode
        in 64-bit mode only.  Use only for 32-bit or MEDLOW.

2002-04-12  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings.

Fri Apr 12 15:42:59 2002  Jeffrey A Law  (law@redhat.com)

        * pa.c (pa_can_combine_p): Call extract_insn before calling
        constrain_operands.

2002-04-12  Douglas B Rupp  <rupp@gnat.com>

        * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
        (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
        (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
        (CPP_PREDEFINES): Handle __declspec.
        * config/i386/t-interix (USER_H): Remove.

2002-04-12  DJ Delorie  <dj@redhat.com>

        * integrate.c (compare_blocks): Make comparisons safe for when
        sizeof(int) < sizeof(char *).
        (find_block): Likewise.

2002-04-12  Jan Hubicka  <jh@suse.cz>
            David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT
        registers.
        (symbol_ref_operand): New.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand.
        * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand.

2002-04-12  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (ASM_SPEC): Moved from here ...
        * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it
        overrides the definition in config/svr4.h.

2002-04-12      Eric Norum <eric.norum@usask.ca>

        * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
        config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h,
        config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h,
        config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h,
        config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h,
        config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h,
        config/v850/rtems.h (*-rtems*): Cleanup pass to move common
        definitions to config/rtems.h and make the targets more similar.

Fri Apr 12 08:06:54 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_assigment): Remove duplicate conversions #ifdef
        POINTERS_EXTEND_UNSIGNED.
        (store_constructor, expand_expr, case COMPONENT_REF): Likewise.
        (store_expr): Use TYPE_MODE (sizetype), not ptr_mode.

        * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET
        not specified.

Fri Apr 12 12:11:26 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG
        depends on TARGET_SHMEDIA, not TARGET_SH5.

2002-04-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>:
        For paradoxical (subreg VAR), replace VAR, don't try the subreg.

Fri Apr 12 10:51:38 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (broken_move): Constant 0. / 1. load is OK if there is
        no r0 clobber.

2002-04-12  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.

2002-04-12  Richard Henderson  <rth@redhat.com>

        PR bootstrap/4191
        * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.

        * flow.c (mark_used_reg): Manage reg_cond_dead properly for
        modes spanning multiple hard regs.

        * recog.c (peephole2_optimize): Rebuild jump labels as needed.

2002-04-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (pa_output_function_prologue): Don't accumulate the total
        number of code bytes when using TARGET_64BIT, or gas, SOM and not
        the portable runtime.
        (output_deferred_plabels): Handle 64bit plabels.
        (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when
        generating pic code using the GAS assembler for object formats that
        are not SOM (ie., ELF32 and ELF64).
        (output_millicode_call): Check attribute type if attribute length is 28.
        Likewise use $PIC_pcrel$0.  Only call get_attr_length and
        dbr_sequence_length once.
        (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and
        dbr_sequence_length once.
        * pa.h (TARGET_SOM): Define if not defined.
        * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0
        with GAS and not SOM.
        (jump, call_internal_reg, call_value_internal_reg): Likewise.
        * som.h (OBJ_SOM): Rename to TARGET_SOM.  Undefine before defining.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value.
        (DEFAULT_PCC_STRUCT_RETURN) Do not redefine.
        (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP,
        DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
        elfos.h and dbxelf.h values are fine now.
        * config/i386/freebsd.h, config/alpha/freebsd.h
        (DEFAULT_PCC_STRUCT_RETURN): Define to 0.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__
        or set Acpu or Amachine.  Reformat.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.
        (LINK_SPEC): Do not need to undef.
        * config/ia64/elf.h (ASM_EXTRA_SPEC): Define.
        * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.
        * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define.
        (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead.
        (LINK_SPEC): Do not need to undef.
        (DONT_USE_BUILTIN_SETJMP): Do not define.
        * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add.
        (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine.  Remove -Dia64.
        (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define.
        Remove trailing spaces.
        * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__,
        __ELF__, or set Acpu or Amachine.  Reformat.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match
        all other *-*-freebsd* targets.

2002-04-11  Richard Henderson  <rth@redhat.com>

        * config.gcc (alpha*-*-linux*ecoff): Detect and reject.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms):
        Include {cpu}/{cpu}.h thru tm_file.
        (alpha*-*-linux*ecoff): Remove target.
        * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__.
        (LINK_SPEC): Remove, is not OS independent.
        * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__.
        (LINK_SPEC): Do not need to #undef any longer.
        * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef
        any longer.
        * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define
        __ELF__.
        (LINK_SPEC): Moved here from alpha/elf.h.
        * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of
        SUB_CPP_PREDEFINES.
        * config/alpha/linux-ecoff.h: Remove.
        * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__.
        (CPP_SPEC): Define _POSIX_SOURCE as needed.
        (CPP_SUBTARGET_SPEC): Do not define.
        (LINK_SPEC): Do not need to #undef any longer.
        * config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
        * config/alpha/vms.h: Likewise.

2002-04-11  Richard Sandiford  <rsandifo@redhat.com>

        * doc/extend.texi: Remove old claim that typedefs cannot have
        an alignment attribute.

2002-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/6177
        * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if
        bitpos is 0 and bitsize CONCAT size.

2002-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/6223
        * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.

2002-04-10  David O'Brien  <obrien@FreeBSD.org>

        * config/alpha/freebsd.h: Minor reformatting.
        (CPP_SPEC): Define ELF and add cpp_subtarget.
        (ASM_SPEC): No longer needed.

2002-04-11  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative.
        (movdi_insn_sp32_v9): Likewise.  Only allow stx with aligned memory.
        (dimode mem/zero splitter): New.

2002-04-11  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_override_options): Tweak error message
        for PIC not implemented.

        * config/cris/cris.h: Tweak comments related to parameter-passing.

        * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.

2002-04-10  Richard Henderson  <rth@redhat.com>

        * except.c (add_ehl_entry): Allow duplicates after landing pad
        creation.

2002-04-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64.

2002-04-10  Toon Moene  <toon@moene.indiv.nluug.nl>

        * c-decl.c (c_init_decl_processing): Move generation of
        decls for g77_integer_type_node and friends from here ...
        * c-common.c (c_common_nodes_and_builtins): ... to here.

2002-04-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM
        is only used as frame pointer when frame_pointer_needed is true.

2002-04-10  Richard Earnshaw  <rearnsha@arm.com>

        PR target/817
        * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow
        for the fact that the pool entry uses two words.
        (movdf_hard_insn): Similarly.  Also, ADR instruction can span
        1k bytes.
        (movdf_soft_insn): Similarly.
        (movxf_hard_insn): Adjust neg_pool_range attribute to allow
        for the fact that the pool entry uses three words.

2002-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_va_arg): When using the struct version
        of the EABI va_list, allow arguments in the register save area to
        take up less room than a stack argument.

2002-04-10  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers
        if EXPAND_INITIALIZER.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (movdi_er_maybe_g): New.
        * config/alpha/alpha.c (alpha_expand_mov): Use it.

2002-04-10  Alan Modra  <amodra@bigpond.net.au>

        PR optimization/6233
        * rtlanal.c (pure_call_p): New function.
        * rtl.h (pure_call_p): Declare.
        * loop.c (prescan_loop): Use it to set has_nonconst_call.
        * gcse.c (store_killed_in_insn): Use pure_call_p here too.

2002-04-09  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional
        information to .comm directive.

2002-04-09  Richard Henderson  <rth@redhat.com>

        PR c/5078
        * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * basic-block.h (flow_delete_block_noexpunge): Declare.
        (expunge_block_nocompact): Declare.
        * cfg.c (expunge_block_nocompact): Split out from ...
        (expunge_block): ... here.
        * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
        (flow_delete_block_noexpunge): Split out from ...
        (flow_delete_block): ... here.
        * cfgcleanup.c (delete_unreachable_blocks): Compact while
        removing dead blocks.
        * except.c (exception_handler_labels): Remove.
        (exception_handler_label_map): New.
        (struct eh_region): Add aka member.
        (mark_ehl_map_entry, mark_ehl_map, free_region): New.
        (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
        (for_each_eh_label, for_each_eh_label_1): New.
        (init_eh): Register exception_handler_label_map.
        (free_eh_status): Use free_region.
        (find_exception_handler_labels): Use the map, not the list.
        (remove_exception_handler_label): Likewise.
        (maybe_remove_eh_handler): Likewise.
        (remove_eh_handler): Use the region aka bitmap.
        * except.h (exception_handler_labels): Remove.
        (for_each_eh_label): Declare.
        * jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
        * loop.c (invalidate_loops_containing_label): New.
        (find_and_verify_loops): Use it.  Use for_each_eh_label.
        * sched-rgn.c (is_cfg_nonregular): Use
        current_function_has_exception_handlers.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b,
        sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c):
        Do not return changed status.
        (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg,
        sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg):
        New functions that do return changed status.
        * sbitmap.h: Update decls.
        * gcse.c, lcm.c: Use _cg functions as needed.

Tue Apr  9 19:15:57 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h.
        (sh64-*-elf*, sh-*-rtemself*): Likewise.
        * config/sh/embed_bb.c: New file.
        * config/sh/embed-elf.h: New file.
        * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__
        if -m[12345]* option is given.  Don't use subtarget_cpp_ptr_spec.
        (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
        __PTRDIFF_TYPE__ .
        (SUBTARGET_CPP_PTR_SPEC): Don't define.
        (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec.
        Add subtarget_asm_endian_spec.
        (ASM_SPEC): Use subtarget_asm_endian_spec.
        (SUBTARGET_ASM_ENDIAN_SPEC): Define.
        (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5.
        (WCHAR_UNSIGNED): Define.
        (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define.
        (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
        (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5.
        Fix value.
        * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5.
        (sh_adjust_cost): Likewise.
        sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
        __PTRDIFF_TYPE__ .
        (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define.
        (WCHAR_TYPE_SIZE): Likewise.
        (ASM_SPEC): Use subtarget_asm_endian_spec.
        (SH_ELF_WCHAR_TYPE): #undef/ #define.
        (MAX_WCHAR_TYPE_SIZE): Don't #undef.
        * config/sh/elf.h (WCHAR_UNSIGNED): #undef .
        (MAX_WCHAR_TYPE_SIZE): Don't #define .
        (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define .
        (USER_LABEL_PREFIX): Don't #undef /#define .
        (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
        * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define .
        (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise.
        (ASM_SPEC): Likewise.
        (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define .
        (CC1_SPEC): don't supply -m3 for -m4*, -m5*.
        * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE.
        (LIB2FUNCS_EXTRA): Define.
        * t-sh64 (LIB2FUNCS_EXTRA): Define.
        * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine.
        (LIB1ASMFUNCS_CACHE): Define.
        (LIB2FUNCS_EXTRA): Redefine empty.

2002-04-08  Richard Henderson  <rth@redhat.com>

        * reorg.c (get_branch_condition): Use reversed_comparison_code.

2002-04-09  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (__map_data_section): Fix condition
        and optimize for size.
        (__do_global_ctors): Fix pointer comparison.
        (__do_global_dtors): Likewise.

2002-04-09  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_extra_constraint_check): New
        function, implementing EXTRA_CONSTRAINTS.  For memory constraints,
        allow reloading pseudos.
        * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it.
        * config/sparc/sparc-protos.h: Declare it.

        * config/sparc/sparc.c (const64_is_2insns): Kill signed vs.
        unsigned comparison warning.
        (output_restore_regs): Mark leaf_function as unused.

Tue Apr  9 09:35:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (is_aligning_offset): New function.
        (expand_expr, case COMPONENT_EXPR): Call it.

2002-04-08  David S. Miller  <davem@redhat.com>

        PR target/6082
        * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW

        Make init_priority work on Sparc when using GNU ld.
        * config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/freebsd.h
        (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine.
        * config/sparc/sol2-gld.h: New file to do the same.
        * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add
        sparc/sol2-gld.h to tm_file.

        PR optimization/4328
        * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'.
        * doc/md.texi: Document it.
        * config/sparc/sparc.md (movdi_insn_sp64_novis,
        movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis,
        movdf_insn_v9only_vis, movdf_insn_sp64_novis,
        movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers.
        * config/sparc/sparc.c (mem_min_alignment): Fix comment.

2002-04-08  Andreas Jaeger  <aj@suse.de>

        * stmt.c (expand_asm_operands): Revert last patch from Richard
        Henderson.

2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add John David Anglin and Loren
        J. Rittle (the latter also to Testers).  Update David O'Brien's entry.

2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add David O'Brien.

2002-04-08  Alan Modra  <amodra@bigpond.net.au>

        * configure.in (auto-build.h): Use target_alias and build_alias
        when running configure.
        (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
        (gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
        * configure: Regenerate.

2002-04-07  David S. Miller  <davem@redhat.com>

        * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file.

2002-04-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        PR 5933
        * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when
        generating 32-bit pic code.

2002-04-06  Jason Thorpe  <thorpej@wasabisystems.com>

        * cppinit.c (cpp_create_reader): Initialize
        discard_comments_in_macro_exp.
        (COMMAND_LINE_OPTIONS): Add "-CC" option.
        (cpp_handle_option): Handle "-CC" option.
        * cpplex.c (save_comment): If saving a C++ comment in
        a directive, convert it to a C comment.
        (_cpp_lex_direct): Pass second comment start character to
        save_comment to indicate comment type.
        * cpplib.c (_cpp_handle_directive): If processing
        a "#define" directive and discard_comments_in_macro_exp
        is false,  re-enable saving of comments.
        (lex_macro_node): If discard_comments_in_macro_exp is false,
        discard any comments before the macro identifier.
        * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
        member.
        * cppmacro.c (cpp_get_token): If expanding a macro while
        processing a directive, discard any comments we might encounter.
        (parse_params): If discard_comments_in_macro_exp is false,
        ignore comments in the macro parameter list.
        * gcc.c (cpp_unique_options): Add "-CC" option.
        (option_map): Map "--comments-in-macros" to "-CC".
        * doc/cppopts.texi: Document "-CC" option.
        * f/lang-specs.h: Add "-CC" option.
        * testsuite/gcc.dg/cpp/maccom1.c: New test.
        * testsuite/gcc.dg/cpp/maccom2.c: New test.
        * testsuite/gcc.dg/cpp/maccom3.c: New test.
        * testsuite/gcc.dg/cpp/maccom4.c: New test.
        * testsuite/gcc.dg/cpp/maccom5.c: New test.
        * testsuite/gcc.dg/cpp/maccom6.c: New test.

2002-04-06  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        PR middle-end/6180
        * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes.

2002-04-06  Mark Mitchell  <mark@codesourcery.com>

        PR c++/5571
        * stor-layout.c (layout_decl): Reset the RTL for the decl.

        PR opt/5120
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear
        RTX_UNCHANGING_P for the functions arguments when a tail call
        is made.

2002-04-06  Jason Merrill  <jason@redhat.com>

        * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
        (parse_options_and_default_flags): Set them appropriately.
        * c-common.c (c_common_post_options): Don't set flag_really_no_inline.

2002-04-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
        here.

        * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
        semicolon.

        * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
        types come in by-reference.  Fix typo in comment.

2002-04-05  David S. Miller  <davem@redhat.com>

        * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.
        * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos,
        sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*,
        {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file.

2002-04-05  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we
        are not going to emit return instructions, emit at least a nop
        for the sake of sane backtraces.

2002-04-05  Richard Henderson  <rth@redhat.com>

        * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).

2002-04-05  Jakub Jeilnek  <jakub@redhat.com>

        * mklibgcc.in: Use $tmpmapfile, not tmp-$@.

2002-04-05  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE,
        ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
        ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16.

2002-04-05  Andreas Schwab  <schwab@suse.de>

        * c-convert.c: Include c-common.h.
        * Makefile.in (c-convert.o): Updated.

2002-04-05  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Use separate libgcc.map for each multilib.
        * Makefile.in (distclean): Don't remove libgcc.map here.

2002-04-05  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (s-mlib): Handle --disable-multilib by separate
        genmultilib invocation.

2002-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs
        to avoid clash with Irix header file sys/ucontext.h.  Rename gp_regs
        to num_gprs for symmetry.
        * config/mips/mips.c: Adjust accordingly.

2002-04-04  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (truthvalue_conversion): Rename, update.
        * c-common.h (c_common_truthvalue_conversion): New.
        * c-convert.c (convert): Update.
        * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
        * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
        * c-typeck.c (build_binary_op, build_unary_op,
        build_conditional_expr): Update.
        * fold-const.c (constant_boolean_node, fold): Use langhook.
        * langhooks-def.h (LANGHOOK_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * stmt.c (expand_decl_cleanup): Use langhook.
        * tree.h (truthvalue_conversion): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.

2002-04-05  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o
        Add rules to make null object file.

2002-04-04  Jim Blandy  <jimb@redhat.com>

        * cppmacro.c (cpp_macro_definition): Do not emit spaces after
        macro formal parameter names.

2002-04-04  David S. Miller  <davem@redhat.com>

        * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg.

2002-04-04  Richard Henderson  <rth@redhat.com>

        PR middle-end/5099
        * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok.
        Support copies into and out of memory.  Don't accept allows_reg
        and allows_mem as gospel.

2002-04-04  Richard Henderson  <rth@redhat.com>

        PR opt/6165
        * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
        (write_dependence_p): Likewise.

2002-04-04  Richard Henderson  <rth@redhat.com>

        * predict.c (estimate_bb_frequencies): Do frequency calculation
        with a volatile temporary.

2002-04-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/6119
        * final.c (final_start_function): Don't bump profile_label_no here...
        (final_end_function): ...but here.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.md (pic): New attribute.
        (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9
        into stack slots.
        (split after do_builtin_setjmp_setup): New.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/6106
        * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01
        change.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
        UNITS_PER_WORD for zero sized aggregates.

2002-04-03  David S. Miller  <davem@redhat.com>

        * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
        one-character spec for this, just use %(link_gcc_c_sequence).

2002-04-03  David S. Miller  <davem@redhat.com>

        * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian
        handling.

2002-04-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move.
        (DWARF_FRAME_RETURN_COLUMN): Move.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define.
        * pa.c (except.h, predict.h): Include.
        (FRP): Delete.
        (store_reg_modify, set_reg_plus_d): Revise prototypes.
        (output_ascii): Add cast.
        (store_reg_modify): Revise to add frame notes.
        (set_reg_plus_d): Likewise.
        (compute_frame_size): Include space for eh data registers in frame if
        the current function calls eh_return.
        (hppa_expand_prologue):  Ensure register %r2 is saved if the current
        function calls eh_return.  Save eh data registers if the current
        function calls eh_return.  Fix code to add frame notes.  Emit
        blockage to prevent insns with frame notes being scheduled in the
        delay slot of calls.
        (hppa_expand_epilogue): Restore eh data registers and do final stack
        adjustment if the current function calls eh_return.  Don't add frame
        notes.
        (output_call): Revise for change in length of call insn.  Don't do
        return pointer adjustment for an unconditional jump in the delay slot
        of a call when using frame notes.
        * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility.
        (EH_RETURN_HANDLER_RTX): Use saved value on stack.
        (ARG_POINTER_CFA_OFFSET): Define.
        * pa.md (return_external_pic): New pattern.
        (prologue): Correct formatting.  Use return_external_pic if current
        function calls eh_return.
        (call_internal_symref, call_value_internal_symref,
        sibcall_internal_symref, sibcall_value_internal_symref): Change default
        lengths of short, long non-pic, and long pic calls to 8, 68, and 84,
        respectively.
        (exception_receiver): Use hppa_pic_save_rtx () to restore pic register.

        * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to
        list of targets to check using "nop" insn.
        * configure: Rebuilt.

2002-04-04  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define.

2002-04-03  David S. Miller  <davem@redhat.com>

        * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c
        library sequence passed to the linker.
        (LINK_COMMAND_SPEC): Use it.
        * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as
        a macro a target can use to avoid overriding LINK_COMMAND_SPEC.
        * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2002-04-03  Jason Merrill  <jason@redhat.com>

        * except.c (struct eh_status): Remove protect_list.
        (begin_protect_partials, end_protect_partials): Remove.
        (add_partial_entry): Remove.
        * except.h: Remove prototypes.

        * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use
        expand_decl_cleanup_eh.

        PR c++/5636
        * tree.h (CLEANUP_EH_ONLY): New macro.
        * stmt.c (expand_decl_cleanup_eh): New fn.
        (expand_cleanups): Check CLEANUP_EH_ONLY.
        * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT.
        Use expand_decl_cleanup_eh.
        (expand_stmt): Adjust.
        * c-common.h: Adjust prototype.

2002-04-04  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue): Cast
        uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings.
        (cris_target_asm_function_epilogue): Ditto.
        (cris_initial_frame_pointer_offset): Ditto.
        (cris_simple_epilogue): Ditto.
        (cris_expand_builtin_va_arg): Variable-size types come in
        by-reference.

2002-04-03  David S. Miller  <davem@redhat.com>

        * config/sparc/crtfastmath.c (FPRS_NS): Get it right for
        little-endian.
        (set_fast_math): Correct 'fsr' type.

2002-04-03  Richard Henderson  <rth@redhat.com>

        PR opt/3569
        * langhooks.h (lang_hooks.decls.warn_unused_global): New.
        * toplev.c (check_global_declarations): Use it.
        * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
        (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        (LANG_HOOKS_DECLS): Add it.
        * langhooks.c (lhd_warn_unused_global_decl): New.
        * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        * c-objc-common.c (c_warn_unused_global_decl): New.
        * c-tree.h (c_warn_unused_global_decl): Declare.
        * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.

2002-04-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * langhooks-def.h (lhd_set_decl_assembler_name,
        LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c
        * langhooks.h (struct lang_hooks): New hook.
        * tree.c (set_decl_assembler_name): Move to langhooks.c.
        (lang_set_decl_assembler_name): Remove.
        (init_obstacks): Don't set hook.
        (decl_assembler_name): New function.
        * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call.
        (decl_assembler_name): New.
        (lang_set_decl_assembler_name): Remove.

2002-04-03  Jakub Jelinek  <jakub@redhat.com>

        * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32()
        works properly with .hidden symbols.
        * configure: Rebuilt.
        * config.in: Rebuilt.
        * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work
        properly with .hidden symbols.

2002-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6102
        * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
        USE argument.

2002-04-03  Richard Henderson  <rth@redhat.com>

        PR opt/4120
        * sched-rgn.c (sets_likely_spilled): New.
        (sets_likely_spilled_1): New.
        (add_branch_dependences): Use it.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/4311
        * loop.h (LOOP_FIRST_PASS): New.
        * loop.c (strength_reduce): Mind it when deciding to unroll.
        * toplev.c (rest_of_compilation): Set it.

2002-04-02  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (ldd peephole2s): Fix final arg to
        mems_ok_for_ldd_peep when the order of the loads being examined
        is reversed.
        * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon
        existing comment to increase comprehension of this situation.

2002-04-02  Zack Weinberg  <zack@codesourcery.com>

        * config/sh/sh.md: Don't use union real_extract.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__bb_exit_func): Revert 03-31 change.

2002-04-02  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems,
        i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-,
        i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1,
        i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos,
        i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd,
        i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf,
        i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix,
        i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout,
        i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32,
        i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd,
        i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems,
        i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv,
        i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta,
        i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd):
        Include as many configury headers via tm_file as possible.  This
        includes among others i386/unix.h, i386/bsd.h, i386/gas.h.
        * config/openbsd-oldgas.h: New file.
        * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h,
        config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h,
        config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h,
        config/i386/i386-coff.h, config/i386/i386-interix.h,
        config/i386/iscdbx.h, config/i386/linux-aout.h,
        config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h,
        config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h,
        config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h,
        config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h,
        config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h,
        config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h,
        config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h,
        config/i386/vxi386.h: Do not directly include configury headers.
        * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h:
        Directly include configury headers that are no longer automatically
        included by the above headers.
        * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define.
        * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h,
        config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h,
        config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h,
        config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h,
        config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h,
        config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h
        (TARGET_VERSION): Define.
        * config/i386/beos-elf.h, config/i386/freebsd.h,
        config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h,
        config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h,
        config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h,
        config/i386/sco5.h, config/i386/sysv4.h
        (TARGET_VERSION): Do not need to protect.
        * config/i386/freebsd64.h (TARGET_VERSION): Fix style.
        * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h,
        config/i386/freebsd-aout.h, config/i386/i386-aout.h,
        config/i386/i386-interix.h, config/i386/linux-aout.h,
        config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h,
        config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h
        (YES_UNDERSCORES): Do not define - not needed.
        * config/i386/bsd.h, config/i386/gas.h (LPREFIX,
        ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
        USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case.
        * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h
        (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
        USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case)
        * config/i386/isc.h: Preserve comment from config/i386/isccoff.h.
        * config/i386/isccoff.h, config/i386/v3gas.h: Remove.

2002-04-02  Eric Botcazou  <ebotcazou@multimania.com>
            Richard Henderson  <rth@redhat.com>

        PR c/5484
        * function.c (assign_temp): Accept either type or decl argument.
        Detect variables whose size is too large to fit into an integer.
        * stmt.c (expand_decl): Pass the decl, not the type.

2002-04-02  David O'Brien  <obrien@FreeBSD.org>

        * protoize.c: Match include directory usage with cppdefault.c.

2002-04-03  Jeffrey A Law  (law@redhat.com)
            Hans-Peter Nilsson  <hp@bitrange.com>

        * combine.c (simplify_comparison): Avoid narrowing a comparison
        with a paradoxical subreg when doing so would drop signficant bits.

2002-04-02  Steve Ellcey  <sje@cup.hp.com>

        * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
        if POINTERS_EXTEND_UNSIGNED is defined.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/3967
        * local-alloc.c (contains_replace_regs): LO_SUM may contain
        replace regs.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * doc/standards.texi: Document required freestanding libc entry points.

2002-04-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and
        associated splitter.  Remove MQ constraint.
        (ctrdi_internal4): Correct CCmode clobber.

2002-04-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * milli64.S ($$dyncall): New function.
        * t-linux (LIB1ASMFUNCS): Revise module list.
        (LIB1ASMSRC): Use pa/milli64.S.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and
        rename solaris_sys_varargs_h.

Tue Apr  2 06:47:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
        the same mode as its component.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/190
        * final.c (this_is_asm_operands): Export.
        * output.h (this_is_asm_operands): Declare.
        * config/i386/i386.c (print_operand): Error odd asm operands.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/420
        * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.

2002-04-01  Richard Henderson  <rth@redhat.com>

        PR target/1538
        * fixinc/inclhack.def (solaris_sys_varargs_h): New.
        * fixinc/fixincl.x: Rebuild.

2002-04-01  Richard Henderson  <rth@redhat.com>

        * config/ia64/unwind-ia64.c: Include ia64intrin.h.
        (atomic_alloc, atomic_free): New.
        (SIZE, MASK_FOR, PTR_IN): New.
        (emergency_reg_state, emergency_reg_state_free): New.
        (emergency_labeled_state, emergency_labeled_state_free): New.
        (reg_state_alloced, labeled_state_alloced): New.
        (alloc_reg_state, free_reg_state): New.
        (alloc_label_state, free_label_state, free_label_states): New.
        (push, pop, dup_state_stack, free_state_stack): Use them.
        (desc_label_state): Likewise.
        (uw_frame_state_for): Free label states and state stack.
        (uw_update_reg_address): Eliminate warnings.

2002-04-01  Vladimir Makarov  <vmakarov@redhat.com>

        * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
        ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c (grokdeclarator): Update.
        * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
        * c-tree.h (c_mark_addressable): New.
        * c-typeck.c (default_function_array_conversion, build_unary_op,
        build_array_ref, convert_for_assignment): Update.
        (mark_addressable): Rename.
        * calls.c (try_to_integrate, expand_call): Use langhook.
        * expr.c (expand_expr): Use langhook.
        * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * stmt.c (expand_asm_operands): Use langhook.
        * tree.h (mark_addressable): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.

2002-04-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
        in previous change.

2002-04-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments
        for which MUST_PASS_IN_STACK is true (e.g., variable-sized types).

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (unsigned_conversion_warning, convert_and_check,
        unsigned_type, signed_type, shorten_compare,
        c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
        (unsigned_type, signed_type, signed_or_unsigned_type): Rename.
        * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
        New.
        * c-decl.c (grokdeclarator): Update.
        * c-format.c (check_format_types): Update.
        * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
        LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
        * c-typeck.c (build_binary_op, convert_for_assignment): Update.
        * convert.c (convert_to_integer): Use new hooks.
        * expmed.c (make_tree): Use new hooks.
        * expr.c (store_expr): Use new hooks.
        * fold-const.c (operand_equal_for_comparison_p, build_range_check,
        all_ones_mask_p, unextend, fold): Use new hooks.
        * langhooks.h (struct lang_hooks_for_types): New hooks.
        * tree.h (signed_or_unsigned_type, signed_type,
        unsigned_type): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
        LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset.
        (desc_frgr_mem): Fix reference to f16-f31.

2002-03-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
        RTVEC_ELT): Const-ify.
        * varray.h (VARRAY_CHECK): Const-ify.
        * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree,
        ggc_mark_rtvec, ggc_mark): Const-ify.

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * diagnostic.c: Include langhooks-def.h.
        * Makefile.in (diagnostic.o): Update.

2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_unsafe_for_reeval): Rename.
        * c-common.h (c_unsafe_for_reeval): Rename.
        * c-decl.c (finish_incomplete_decl): Rename.
        (c_init_decl_processing): Don't set langhook.
        * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
        LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
        * c-objc-common.c (c_objc_common_init): Don't set langhook.
        * c-tree.h (finish_incomplete_decl): Rename.
        * langhooks-def.h (lhd_unsafe_for_reeval): New.
        (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_unsafe_For_reeval): New.
        * langhooks.h (struct langhooks): New hooks.
        * toplev.c (incomplete_decl_finalize_hook): Remove.
        (wrapup_global_declarations): Update.
        * tree.c (lang_unsafe_for_reeval): Remove.
        (unsafe_for_reeval): Update.
        * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
        Remove.
objc:
        * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
        LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.

2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>

        * diagnostic.c (print_error_function): Remove.
        (default_print_error_function): Rename.
        (report_error_function): Update.
        * diagnostic.h (print_error_function): Remove.
        (default_print_error_function): Remove.
        * langhooks-def.h (struct diagnostic_context): Predeclare.
        (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct diagnostic context): Predeclare.
        (struct lang_hooks): New hook.

2002-03-31  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New.
        (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if
        !flag_pic.
        (CONDITIONAL_REGISTER_USAGE): Adjust accordingly.
        * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead
        of PIC_OFFSET_TABLE_REGNUM thruout.
        * config/rs6000/rs6000.md: Likewise.
        * config/rs6000/darwin.h: Likewise.

Sun Mar 31 14:43:24 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (adjust_address_1, offset_address): Cast value to
        unsigned HOST_WIDE_INT, not unsigned int.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6096, middle-end/6098, middle-end/6099
        * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
        CODE_LABELs.
        (fill_slots_from_thread): Likewise.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.c (function_arg_record_value_1): Pass complex
        floating fields in float regs.
        (function_arg_record_value_2): Likewise.

2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md (define_constants): Remove misleading
        FIXME.  Add MMIX_fp_rO_OFFSET.
        ("nonlocal_goto_receiver"): Don't have stack-frame address of
        saved rO as part of the pattern.  Remove FIXME.
        ("*nonlocal_goto_receiver_expanded"): Similar.  Generate address
        here, at output-time.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6100
        * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not
        REG_BR_PRED.
        (output_v9branch): Likewise.

2002-03-31  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c: Revert previous patch for now.
        * config/i386/djgpp.h: Likewise.

2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/crti.asm (_init): Register _fini with atexit.
        * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0".

2002-03-31  Richard Henderson  <rth@redhat.com>

        PR target/3997
        * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy.
        (ASM_OUTPUT_DEF_FROM_DECLS): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__bb_exit_func): Make static.

        * config/alpha/alpha.md (trap): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_va_arg): Give warnings not errors for
        promoted argument types; build trap.
        (expand_builtin_trap): New.
        (expand_builtin): Use it.
        * stmt.c (expand_nl_goto_receivers): Likewise.
        * expr.h (expand_builtin_trap): Declare.
        * libfuncs.h (LTI_abort, abort_libfunc): New.
        * optabs.c (init_optabs): Init abort_libfunc.

2002-03-31  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here...
        (LINK_COMMAND_SPEC): ... from here.
        (init_gcc_specs): Duplicate it here too, omitting
        shared_name in the second copy.
        (init_spec): Test for duplicate
        * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'.

2002-03-30  David S. Miller  <davem@redhat.com>

        * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
        * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.

2002-03-30  Roger Sayle <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * regmove.c (combine_stack_adjustments_for_block): Avoid
        emitting a stack adjustment of zero bytes.  Let delete_insn
        update bb->head.

2002-03-30  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE.
        (sparc_emitting_epilogue): New.
        (leaf_label, output_return, sparc_return_peephole_ok): Remove.
        * config/sparc/sparc-protos.h: Update.
        * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove.
        (TARGET_SWITCHES): Update.
        * config/sparc/sparc.md (return): Remove.
        (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE.
        * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h,
        config/sparc/liteelf.h, config/sparc/netbsd-elf.h,
        config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
        config/sparc/sp64-aout.h, config/sparc/sp64-elf.h,
        config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h,
        config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT):
        Remove MASK_EPILOGUE.
        * doc/invoke.texi: Update.

2002-03-30  Daniel Berlin  <dan@dberlin.org>

        * dwarf2out.c (dwarf2out_define): Remove start_source_file call,
        CPP will start the file for us.

2002-03-30  Richard Henderson  <rth@redhat.com>

        PR target/5446
        * config/ia64/ia64.c (group_barrier_needed_p): Special case
        prologue_allocate_stack.
        (ia64_single_set): Use insn codes for recognition of special
        cases, not rtl matching.
        * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out.

Sat Mar 30 23:48:41 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks.

2002-03-30  Richard Henderson  <rth@redhat.com>

        PR target/6032
        * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic
        or -fomit-frame-pointer with profiling.
        (SUBTARGET_OVERRIDE_OPTIONS): Remove.
        (FUNCTION_PROFILER): Do nothing.
        (PROFILE_HOOK): New.
        * config/sparc/sparc.c (sparc_override_options): Don't check
        code models for profiling.
        (sparc_function_profiler): Remove.
        (sparc_profile_hook): New.
        * config/sparc/sparc-protos.h: Update.

2002-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/6086
        * combine.c (combine_simplify_rtx): If simplify_rtx failed because
        of SUBREG of volatile MEM or because the MEM was mode dependent,
        return CLOBBER instead of unmodified SUBREG.

Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>

        * local-alloc.c (local_alloc): Avoid call of update_equiv_regs
        when not optimizing.

        * toplev.c (rest_of_compilation): Cann mark_constant_function
        only when optimizing.

        * flow.c (calculate_global_regs_live): Ensure that all AUX fields
        are NULL.

        * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK.
        (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it.
        (try_optimize_cfg): clear all AUX fields.

        * i386.c (aligned_operand): Be prepared for SUBREGed registers.
        (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
        (ix86_address_cost): Be prepared for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/5672
        * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place.

2002-03-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count
        for aggregate and TFmode types.

2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/5886
        * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64.
        * config/ia64/hpux.h, config/ia64/linux.h: Likewise.

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/6041
        * config/i386/i386.c (x86_arch_always_fancy_math_387): New.
        (override_options): Disable NO_FANCY_MATH_387 if the arch allows.
        * config/i386/i386.h (x86_arch_always_fancy_math_387): New.
        * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix
        conditional.
        * docs/invoke.texi: Update -mno-fancy-math-387 docs.

2002-03-29  Dale Johannesen <dalej@apple.com>

        * loop.c (combine_movables): Do allow combination of pseudos.

2002-03-29  Loren J. Rittle  <ljrittle@acm.org>

        * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so.
        * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it.
        No functional change except ...
        * config/t-slibgcc-nolc-override (SHLIB_LC): Override it.  New file.
        * doc/install.texi (*-*-freebsd*): Document port configuration.

2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (convert.o, calls.o, expmed.o): Update.
        * attribs.c (handle_mode_attribute, handle_vector_size_attribute):
        Use new hooks.
        * builtin-types.def (BT_PTRMODE): Update.
        * c-common.c (type_for_size): Rename c_common_type_for_size.
        (type_for_mode): Similarly.
        (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
        Use new hook.
        * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
        * c-decl.c (finish_enum, build_enumerator): Use new hooks.
        * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
        Redefine.
        * c-typeck.c (common_type, comptypes, default_conversion):
        Use new hooks.
        * calls.c: Include langhooks.h.
        (emit_library_call_value_1): Use new hooks.  Avoid redundant
        calls.
        * convert.c: Include langhooks.h
        (convert_to_pointer, convert_to_integer): Use new hooks.
        * except.c (init_eh): Similarly.
        * expmed.c: Include langhooks.h.
        (expand_mult_add): Use new hooks.
        * expr.c (store_expr, store_constructor, expand_expr, do_jump,
        try_casesi): Similarly.
        * fold-const.c (optimize_bit_field_compare, make_range,
        decode_field_reference, fold_truthop, fold): Similarly.
        * function.c (assign_stack_local_1, assign_stack_temp_for_type,
        put_var_into_stack): Similarly.
        * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
        LANG_HOOKS_TYPE_FOR_SIZE): New.
        (LANG_HOOKS_TYPES_INITIALIZER): Update.
        * langhooks.h (lang_hooks_for_types): New hooks.
        * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
        * tree.c (get_unwidened, get_narrower): Similarly.
        * tree.h (type_for_mode, type_for_size): Remove.
        * varasm.c (force_const_mem): Use new hooks.
        * utils2.c (nonbinary_modular_operation): Update.
objc:
        * objc-act.c (handle_impent): Update.
        * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
        Redefine.

2002-03-29  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New.
        * config/ia64/ia64.c (basereg_operand): New.
        * config/ia64/ia64-protos.h (basereg_operand): Declare.
        * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand.

2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
        unwind information when frame_pointer_needed.
        (mmix_assemble_integer): Tweak wording in comment.

2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (except.o): Update.
        * except.c: Include langhooks.h.
        (init_eh): Use langhook.
        * langhooks-def.h (LANG_HOOKS_MAKE_TYPE,
        LANG_HOOKS_FOR_TYPES_INITIALIZER): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (lang_hooks_for_types): New.
        (struct lang_hooks): Add it.
        * tree.c (make_lang_type_fn, make_lang_type): Remove.
        * tree.h (make_lang_type_fn, make_lang_type): Remove.
config:
        * alpha/alpha.c: Include langhooks.h.
        (alpha_build_va_list): Use langhook.
        * d30v/d30v.c: Include langhooks.h.
        (d30v_build_va_list): Use langhook.
        * i386/i386.c: Include langhooks.h.
        (ix86_build_va_list): Use langhook.
        * rs6000/rs6000.c (rs6000_build_va_list): Use langhook.
        * s390/s390.c: Include langhooks.h.
        (s390_build_va_list): Use langhook.
        * stormy16/stormy16.c: Include langhooks.h.
        (stormy16_build_va_list): Use langhook.

2002-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5964
        * config/sparc/sparc.md (empty_delay_slot, branch_type): New
        attributes.
        (length): Compute variable length for branches/calls/jumps here.
        (branch, inverted_branch, normal_fp_branch, inverted_fp_branch,
        normal_fpe_branch, inverted_fpe_branch): Remove length attribute,
        define branch_type attribute.
        (divsi3_sp32): Maximum length is 6 not 7.
        (call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
        call_address_untyped_struct_value_sp32,
        call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2.
        * config/sparc/sparc.c (empty_delay_slot): New function.
        * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove.
        * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype.

2002-03-29  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (set_nonzero_bits_and_sign_copies): Don't call
        nonzero_bits if not needed.
        (nonzero_bits) [XOR]: Likewise.
        (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if
        reg_last_set_mode and mode are both MODE_INT, but not equal.
        (record_value_for_reg): Compute reg_last_set_nonzero_bits
        in nonzero_bits_mode for MODE_INT modes.

2002-03-28  Richard Henderson  <rth@redhat.com>

        PR target/5715
        * config/alpha/osf.h (ASM_SPEC): Don't pass any special options
        to GAS.  Correct drift between alternatives.

2002-03-28  Richard Henderson  <rth@redhat.com>

        PR target/6087
        * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence.

2002-03-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/freebsd.h (LINK_SPEC): Don't pass default
        emulation to the linker.

2002-03-28  Loren J. Rittle  <ljrittle@acm.org>

        * config/alpha/freebsd.h (LINK_SPEC): Likewise.
        * config/sparc/freebsd.h (LINK_SPEC): Likewise.

Thu Mar 28 16:35:31 2002  Jeffrey A Law  (law@redhat.com)

        * combine.c (simplify_and_const_int): Make sure to apply mask
        when force_to_mode returns a constant integer.  PR3311.

2002-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (LOCAL_LABEL_PREFIX): Define.

2002-03-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options
        and Objective-C Dialect Options.

2002-03-28  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
        comparison should be done vs !=0 not >0 return code.  Tidy cases.

2002-03-28  Richard Henderson  <rth@redhat.com>

        * c-decl.c (finish_function): New arg can_defer_p.  Pass it
        on to c_expand_body.
        * c-tree.h (finish_function): Update decl.
        * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.

Thu Mar 28 19:13:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * ifcvt.c (if_convert): Clear aux_for_blocks early enought.

Thu Mar 28 13:21:53 CET 2002  Jan Hubicka  <jh@suse.cz>

        * rtlanal.c: Include flags.h
        (may_trap_p): Do not mark FP operations if trapping
        if !flag_trapping_math
        * Makefile.in (rtlanal.o): Add dependency on flag.h
        * ifcvt.c (noce_operand_ok): Avoid the lameness.

2002-03-27  Zack Weinberg  <zack@codesourcery.com>

        * mips.md: Use dconst1, not 1.0, as first argument of
        REAL_VALUE_LDEXP.  Don't use union real_extract.

2002-03-28  Alan Modra  <amodra@bigpond.net.au>

        * configure.in (gcc_cv_as): Use $target_alias in directory searchs
        rather than $target.  Heed program_prefix and
        program_transform_name.  Search for gas in cross-compiler case too.
        "test -x" rather than "test -f".
        (gcc_cv_ld): Likewise.
        (gcc_cv_nm): Heed program_prefix and program_transform_name.
        (gcc_cv_objdump): Likewise.
        * configure: Regenerate.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (attribs.o): Update.
        * attribs.c: Include langhooks.h.
        (decl_attributes): Use langhook.
        * c-decl.c (insert_default_attributes): Rename.
        * c-tree.h (c_insert_default_attributes): New.
        * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * tree.h (insert_default_attributes): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.

2002-03-27  Andreas Schwab  <schwab@suse.de>

        * config/i386/i386.c (classify_argument): Also check for
        QUAL_UNION_TYPE.

2002-03-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj
        any more.

Wed Mar 27 23:19:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i960.md (ret): Set PC.
        (nonlocal_goto): Fix expander.
        * builtins.c (epxand_builin_longjmp): Check that we've emitted
        some jump or call.

Wed Mar 27 23:11:35 CET 2002  Jan Hubicka  <jh@suse.cz>

        * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
        of libcall regions.

Wed Mar 27 22:54:14 CET 2002  Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of
        assigning to BLOCK_FOR_INSN directly.

Wed Mar 27 22:33:05 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_expand_expr): Fix prototype.
        * c-common.h (c_expand_expr): Always declare, update.
        * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
        * c-objc-common.c (c_objc_common_init): No global hook.
        * expr.c (expand_expr): Use langhook.
        * expr.h (enum expand_modifier): Conditionally declare.
        * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_expand_expr): New.
        * langhooks.h (struct lang_hooks): New hook.
        * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
        (lang_independent_init): Don't default hook.
objc:
        * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.

2002-03-27  Richard Henderson  <rth@redhat.com>

        PR target/6054
        * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for
        TARGET_CONST_GP.  Simplify conditions.

2002-03-27  Richard Henderson  <rth@redhat.com>

        * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h,
        config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define.

2002-03-27  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32,
        TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches.
        (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS):
        Remove unnecessary masks.
        (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit.
        (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin,
        -mwindows, -mdll switches and their negations.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * gcc-common.c (lang_mark_false_label_stack): Remove.
        * ggc.h (lang_mark_false_label_stack): Similarly.

2002-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__.

        * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__
        or __rtems_ is defined.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note
        if a non-trivial load was emitted.
        (alpha_emit_set_const_1): Remove obsolete extension.  Fix thinko
        in high+extra+low case.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparc*-solaris): Use float_format=sparc.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define.
        * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef.
        * config/sparc/linux.h, config/sparc/linux64.h: Likewise.
        * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine.
        (WINT_TYPE_SIZE): Fix at 32.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Delay emit_initial_value_sets
        until after eh landing pad generation.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof.
        * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * expr.h (ADD_PARM_SIZE): One more convert for INC.

2002-03-26  Phil Edwards  <pme@gcc.gnu.org>

        * gcc.c (cpp_options):  Preserve relative ordering of -pedantic
        and warning switches.
        (cc1_options):  Likewise.

2002-03-26  Hans Boehm <Hans_Boehm@hp.com>

        * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR):
        Restore more of the signal context.  Set no_reg_stack_frame.
        * config/ia64/unwind-ia64.c (unw_state_record):
        Add no_reg_stack_frame, comments.
        (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER.
        (uw_update_context): Adjust bsp when unwinding from leaf,
        but not signal frame.

2002-03-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix51.h (WCHAR_TYPE): Define.

2002-03-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types.

2002-03-26  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5621
        * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999:
        "Add a pool_range attribute", which was lost during the ARM/Thumb
        merge.

2002-03-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from
        a register into the MAC16 accumulator.

2002-03-26  Andrew Cagney  <ac131313@redhat.com>

        * doc/invoke.texi (Option Summary): Mention -Wswitch-enum.
        (Warning Options): Document -Wswitch-enum.
        * toplev.c (W_options): Add -Wswitch-enum.  Update comment on
        -Wswitch.
        (warn_switch_enum): Define variables.
        * flags.h (warn_switch_enum): Declare variables.
        * stmt.c (expand_end_case_type): When warn_switch_enum /
        -Wswitch-enum, perform switch checks.
        Fix PR c/5044.

2002-03-26  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi)
        (reload_mulsi_compare0_scratch, reload_muladdsi_compare0)
        (reload_muladdsi_compare0_scratch): Delete.

2002-03-26  Loren J. Rittle  <ljrittle@acm.org>

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

2002-03-26  Richard Henderson  <rth@redhat.com>

        * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype.
        (SUB_PARM_SIZE): Cast DEC to ssizetype.

        * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK
        types from the normal argument frame.

        * config/sparc/sparc.c (function_arg_pass_by_reference): Pass
        variable sized objects by reference.
        (sparc_va_arg): Receive them by reference too.

2002-03-26  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.c (s390_emit_epilogue): Change epilogue
        code to not restoring global registers.

2002-03-26  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (ggc-common.o): Update.
        * c-decl.c (lang_mark_tree): Rename c_mark_tree.
        * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
        * c-tree.h (c_mark_tree): New.
        * ggc-common.c: Include langhooks.h.
        (gcc_mark_trees): Use new langhook.
        * ggc-callbacks.c: Delete file.
        * ggc.h (lang_mark_tree): Remove.
        * langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
objc:
        * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.

2002-03-25  Zack Weinberg  <zack@codesourcery.com>

        * doc/cpp.texi: Exclude entire Top node from printed manual.
        Move option index after directive index.  Insert page breaks
        before GFDL and concept index.  Index environment variables
        with command line options.
        * doc/cppenv.texi: Use @vtable for environment variable list.
        Add paragraph explaining semantics of empty elements in path
        variables.  Exclude a cross-reference to Fishkill from the
        manpage.  Remove an unnecessary cross-reference of the entry
        right above the referer.  Don't use @anchor in text that goes
        into manpage.
        * doc/cppopts.texi: Cross-reference the environment variables
        section, not the specific environment variable, for consistency.

2002-03-25  Richard Henderson  <rth@redhat.com>

        * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
        anywhere in the block.  Don't refer to insns that have been
        removed from the chain.  Iterate backward through the new insns.
        Don't refer to edges that have been removed.

2002-03-26  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
        test for overflow of constant.

2002-03-25  Richard Earnshaw  <rearnsha@arm.com>

        PR target/2623
        * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
        (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
        these patterns on arm_archv4.

2002-03-25  Danny Smith  <dannysmith@sourceforge.users.net>

        * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
        int".

2002-03-25  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c: Don't include setjmp.h.  Kill float_handler_set,
        float_handled, float_handler, float_signal, set_float_handler,
        and do_float_handler.  Set handler for SIGFPE to crash_signal.
        * toplev.h: Don't prototype do_float_handler.

        * c-lex.c: Fold parse_float into lex_number.  Make warning
        about portability of hex float constants more informative, and
        don't issue it on top of a syntax error.
        * fold-const.c: Fold const_binop_1 and fold_convert_1 into
        their callers.
        * real.h: Define REAL_VALUE_ABS here...
        * simplify-rtx.c: ... not here.  Fold check_fold_consts,
        simplify_unary_real, simplify_binary_real, and
        simplify_binary_is2orm1 into their callers.
        * tree.c: Fold build_real_from_int_cst_1 into caller.

        * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.

        * tsystem.h: Include float.h here...
        * libgcc2.c: ... not here.

2002-03-25  Nick Clifton  <nickc@cambridge.redhat.com>

        Fixes for: PR bootstrap/3591, target/5676
        * config/mcore/mcore.h (CC1_SPEC): Define only if not already
        defined.  Do not disable exceptions or rtti.
        * config/mcore/mcore-pe.h (CC1_SPEC): Define before including
        mcore.h.  Disable exceptions and rtti, since they are not
        supported by EPOC.

2002-03-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c (maybe_build_cleanup): Remove.
        * expr.c (expand_expr): Use langhook.
        * langhooks-def.h (lhd_return_null_tree,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
        (LANGHOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_return_null_tree): New.
        * langhooks.h (struct lang_hooks): New hook.
        * tree-inline.c (initialize_inlined_parameters): Use langhook.
        * tree.h (maybe_build_cleanup): Remove.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        * regrename.c (build_def_use): Move recog_memoized
        before extract_insn.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/6043
        * expr.c (emit_group_store): Handle storing into CONCAT.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
        corresponding MATCH_DUP.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * unroll.c (unroll_loop): Zero label_map.

        * gcse.c: Include except.h.
        * Makefile.in (gcse.o): Update.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
        Do resolve_unique_section before shared data clause.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * recog.c (peephole2_optimize): Split blocks when EH insns are
        generated in the middle of a block.  Do global life update if
        zapped EH edges.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * mips.c (mips_function_value): Only promote_mode for non-libcalls.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        preprocessor/3951
        * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
        * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD.
        (init_dependency_output): Don't make no_output decision here.

2002-03-24  Andrew Cagney  <ac131313@redhat.com>

        * stmt.c (check_for_full_enumeration_handling): Remove tests of
        warn_switch.  Update description.
        (expand_end_case_type): Call check_for_full_enumeration_handling
        when warn_switch.

2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function.
        (m68hc11_split_move): Call it to see if the source and destination
        operands use the same direction auto inc/dec mode, otherwise make the
        source an offsetable memory operand and generate an add.

2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address
        register for operand 2.
        ("*subsi3_zero_extendqi"): Likewise.
        ("*iorhi3_gen"): Do the operation on the upper bits and then lower
        bits so that it is compatible with a pop.
        ("*andhi3_gen"): Likewise.
        ("xorhi3"): Likewise.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (cpp_handle_option): Set warn_endif_labels if
        -pedantic here...
        (cpp_post_options): ... not here.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
            Aldy Hernandez  <aldyh@redhat.com>

        Removal of separate preprocessor cpp0.

        * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
        cpp0, install-common): Update.
        * c-common.c (flag_preprocess_only): New.
        (c_common_init): Preprocess for -E.
        * c-common.h (flag_preprocess_only): New.
        * c-decl.c (c_decode_option): Handle -E and -std=c++98.
        * c-objc-common.c (c_init_decl_processing): Exit quickly
        for NULL return from c_common_init.
        * cpplib.h (cpp_preprocess_file): New.
        * cppmain.c (main, general_init, pfile, progname): Remove.
        (do_preprocessing): Rename cpp_preprocess_file, don't call
        cpp_finish.  Don't close stdout here.
        (setup_callbacks): Update prototype.
        * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
        Update.
        * tradcpp.c (main): Ignore -quiet.
objc:
        * lang-specs.h (default_compilers): Preprocess with cc1obj.

2002-03-24  Richard Henderson  <rth@redhat.com>

        PR optimization/5742
        * machmode.def: Add inner mode field to complex modes.
        * config/mips/mips.c (mips_function_value): Always define.  Add
        new argument to handle libcalls.
        * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value.
        (FUNCTION_VALUE): Likewise.
        * config/mips/abi64.h (FUNCTION_VALUE): Remove.
        * config/mips/mips-protos.h: Update.

2002-03-23  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c (sparc_emit_floatunsdi): New.
        * config/sparc/sparc-protos.h: Update.
        * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New.

2002-03-23  Richard Henderson  <rth@redhat.com>

        * config/sparc/gmon-sol2.c (internal_mcount): Assume either
        _start or _init begins the text segment.

2002-03-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (RETURN_IN_MEMORY):  Cast to HOST_WIDE_INT
        not HOST_WIDEST_INT.
        (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes.

2002-03-23  Richard Earnshaw  <rearnsha@arm.com>

        PR java/5489
        * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the
        operand argument to output_return_instruction.
        * arm.c (arm_print_operand, case 'd'): If the operand is
        const_true_rtx then just return.
        (arm_print_operand, case 'D'): If the operand is const_true_rtx
        then abort.

2002-03-23  Andrew Cagney  <ac131313@redhat.com>

        * doc/invoke.texi (Option Summary): Mention -Wswitch-default.
        (Warning Options): Document -Wswitch-default.
        * toplev.c (W_options): Add -Wswitch-default.  Update comment on
        -Wswitch.
        (warn_switch_default): Define variable.
        (warn_switch): Update comment.
        * flags.h (warn_switch_default): Declare variable.
        (warn_switch): Update comment.
        * stmt.c (expand_end_case): Check for and, when
        warn_switch_no_default, warn of a missing default case.

2002-03-23  Alan Modra  <amodra@bigpond.net.au>

        * real.h (N): Special case 128 bit doubles.

        * combine.c (simplify_comparison): When widening modes, ignore
        sign extension on CONST_INTs.

2002-03-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (print_operand): Fix incorrect mode
        passed to adjust_address.  Fix comment formatting.


2002-03-22  Zack Weinberg  <zack@codesourcery.com>

        * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
        Always make REAL_VALUE_TYPE a struct containing an array of
        HOST_WIDE_INT, not a double.  Tidy up the code deciding how
        big it is.  Don't declare or use union real_extract.

        * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
        decode_rtx_const, output_constant_pool), config/a29k/a29k.c
        (print_operand), config/arm/arm.c (output_move_double),
        config/arm/arm.md (consttable_4, consttable_8),
        config/romp/romp.c (output_fpops), config/s390/s390.h
        (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
        (xtensa_output_literal): Don't use union real_extract.

        * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
        (sfmode_constant_to_ulong), config/ns32k/merlin.h
        (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
        config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
        (PRINT_OPERAND): Don't use local version of union
        real_extract.

        * config/convex/convex.c (check_float_value), config/vax/vax.c
        (vax_float_literal), config/m88k/m88k.md (divdf3),
        config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
        config/pdp11/pdp11.c (output_move_quad): Don't do host
        arithmetic on target floating point quantities.

        * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
        (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.

        * fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
        Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.

        * real.c (earith): Test INFINITY rather than REAL_INFINITY;
        NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
        INFINITY.
        * print-rtl.c (print_rtx): Disable code which needs
        floating-point emulator.
        * libgcc2.c: Include float.h and use DBL_MANT_DIG,
        FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
        depending on HOST_FLOAT_FORMAT to be defined properly.

        * config/1750a/1750a.c (get_double, float_label): Delete.
        (print_operand): Delete huge commented-out chunk.  Use
        REAL_VALUE_TO_DECIMAL.
        * config/1750a/1750a-protos.h: Delete prototypes of deleted
        functions.
        * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
        IEEE_FLOAT_FORMAT.
        * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
        Use REAL_VALUE_TO_DECIMAL as ELF version does.
        * config/m88k/m88k.c (real_power_of_2_operand,
        legitimize_operand): Take the REAL_VALUE_TYPE and/or union
        real_extract out of the union; run the input through
        REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
        from that into the union.
        * config/pdp11/pdp11.c (output_move_double): Rearrange
        parentheses to make automatic indenter happy.

        * doc/tm.texi (Cross-compilation): Rename node to "Floating
        Point" and rewrite to describe current situation.  Also adjust
        documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
        match code.
        * doc/rtl.texi: Adjust cross reference.

2002-03-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
        (xtensa_valid_move, xtensa_preferred_reload_class): Define.
        * config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
        (xtensa_valid_move, xtensa_preferred_reload_class): Define to
        prevent use of sp as a reload register.
        (xtensa_emit_move_sequence): Use xtensa_valid_move instead of
        non_acc_reg_operand.
        * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
        (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
        * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
        movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.

2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
        * cpplex.c (unterminated): Delete.
        (parse_string): No string literal may extend over multiple
        lines.  Suppress the error when preprocessing assembly.
        * cppmain.c (scan_translation_unit): Strings are single-line.

        * doc/cpp.texi: Update to match.

2002-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5854
        * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
        Shut up warnings.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
        (EXTRA_CONSTRAINT): Use S for non-push memory operand.
        * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
        const0 if scratch register was not allocated.
        (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
        m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
        with GEN_INT (...).
        (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
        * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
        with GEN_INT (...) everywhere.  Remove constraints in define_split
        patterns.
        (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
        require scratch register for setting 0 into regs/non-pushable memory.

2002-03-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (MASK_RETURN_ADDR): Define.
        (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.

2002-03-22  Phil Edwards  <pme@gcc.gnu.org>

        * cpplib.h (struct cpp_options):  New member, warn_endif_labels.
        * cppinit.c (cpp_create_reader):  On by default.
        (cpp_handle_option):  Handle -W[no-]endif-labels.
        (cpp_post_options):  Also enable if -pedantic.
        * cpplib.c (do_else):  Use it.
        (do_endif):  Likewise.
        * doc/cppopts.texi:  Document new option.
        * doc/invoke.texi:  Document new option.

2002-03-22  Lars Brinkhoff  <lars@nocrew.org>

        * config/i386/i386.c, config/i386/i386.md: Change all occurences
        of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).

2002-03-22  Alexandre Oliva  <aoliva@redhat.com>

        * flow.c (calculate_global_regs_live): Clear aux fields of
        ENTRY and EXIT.

2002-03-22  Jakub Jelinek  <jakub@redhat.com>

        * config/v850/v850.c (v850_reorg): Only call alter_subreg on
        REG or MEM subregs, pass rtx * instead of rtx to it.
        * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
        rtx * instead of rtx to alter_subreg.
        * config/m32r/m32r.c (gen_split_move_double): Likewise.
        * config/pj/pj.c (pj_output_rval): Likewise.

2002-03-22  Richard Henderson  <rth@redhat.com>

        PR target/3177
        * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
        * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
        (ia64_expand_prologue): Look at int_regs, not words, for number
        of incomming int regs.

2002-03-22  Andrew MacLeod  <amacleod@redhat.com>

        * expr.c (expand_expr): A RESULT_DECL is part of a call.

Fri Mar 22 16:30:42 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (flag_loop_optimize, flag_crossjumping):
        New static variables.
        (rest_of_compilation): Conditionalize crossjumping and
        loop optimizer.
        (parse_options_and_default_flags): Default loop_optimize and
        crossjumping.
        (lang_independent_options): Add -fcrossjumping and -floop-optimize
        * invoke.texi (crossjumping, loop-optimize): Document.

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * real.c (eiisneg): Move outside #ifdef NANS.

Fri Mar 22 12:08:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (outgoing_edges_math): Fix condition; relax
        frequencies match; avoid match on different loop depths.
        (try_crossjump_to_bb): Kill tests that no longer brings time
        savings.
        * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
        updating code.
        (split_edge): Likewise.

        * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
        variable.

        * Makefile.in (cfgrtl): Add insn-config.h depenendency.
        * cfgrtl.c: Include insn-config.h
        (split_block) Dirtify block in presence of conditional execution

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
        * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
        (function_arg): Constify CUMULATIVE_ARGS.
        (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
        * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
        (UNITS_PER_DOUBLE): New macro.
        (SETUP_INCOMING_VARARGS): Define.  Use mips_setup_incoming_varargs.
        (CUMULATIVE_ARGS): Reformat.  Remove num_adjusts workaround and
        last_arg_fp field.  Replace arg_words and fp_arg_words with gp_regs,
        fp_regs and stack_words.
        (EABI_FLOAT_VARARGS_P): New macro.
        * config/mips/mips.c (struct mips_arg_info): New.
        (mips_arg_info): New function.
        (function_arg_advance): Use it.  Add adjustment instructions here
        rather than in function_arg.
        (function_arg): Constify CUMULATIVE_ARGS.  Use mips_arg_info.  Check
        for VOIDmode at the beginning of the function.
        (function_partial_nregs): Constify CUMULATIVE_ARGS.  Use mips_arg_info.
        (function_arg_pass_by_reference): Likewise.
        (mips_setup_incoming_varags): New, largely based on old abi64.h code.
        (mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
        (mips_va_start): Likewise.  Use the new stack_words field of
        CUMULATIVE_ARGS to set up overflow area.  Reformat.
        (mips_va_arg): Test EABI_FLOAT_VARARGS_P.  Unify EABI handling of
        doubles and other types, aligning the overflow pointer for non-doubles
        too.  Remove some code duplication.  Replace hard-coded constants.

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
        (CLASS_UNITS): Undefine.
        (CLASS_MAX_NREGS): Use FP_INC.
        * config/mips/mips.c (compute_frame_size): Likewise.
        (override_options): Use FP_INC and UNITS_PER_FPVALUE.

2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
        prototype, and handle lexing numbers and identifiers.
        (parse_identifier): Update to new form of parse_slow.
        (parse_number): Fast path only, use parse_slow otherwise.
        (_cpp_lex_direct): Update calls to parse_number.

2002-03-21  DJ Delorie  <dj@redhat.com>

        * bb-reorder.c (make_reorder_chain_1): Protect against
        when redundant edges are omitted.
        * predict.c (dump_prediction): Likewise.

2002-03-21  Richard Henderson  <rth@redhat.com>

        PR target/5996
        * fixinc/inclhack.def (solaris_stdio_tag): New.
        * fixinc/fixincl.x: Regenerate.

2002-03-21  Eric Botcazou <ebotcazou@multimania.com>

        PR c/5597
        * c-typeck.c (process_init_element): Flag non-static
        initialization of a flexible array member as illegal.

2002-03-22  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64: New.
        * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
        t-ppccomm.  Use t-rs6000 and t-linux64.
        (powerpc64-*-gnu* <tmake_file>): Likewise.
        * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
        * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
        * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.

2002-03-21  Aldy Hernandez  <aldyh@redhat.com>

        * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
        flag_really_no_inline instead of optimize == 0.

        * c-objc-common.c (c_cannot_inline_tree_fn): Same.

        * cp/tree.c (cp_cannot_inline_tree_fn): Same.

        * flags.h (flag_really_no_inline): New.

        * c-common.c (c_common_post_options): Initialize
        flag_really_no_inline.

        * toplev.c (flag_really_no_inline): New.

2002-03-21  Jakub Jelinek  <jakub@redhat.com>

        * config/avr/avr.md (length): Fix length computation for
        conditional branches.

2002-03-21  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (fold-const.o, stor-layout.o, stmt.o,
        sdbout.o, profile.o): Update.
        * c-common.c (c_common_nodes_and_builtins): Use pushdecl
        langhook.
        * c-common.h (gettags): Move here from tree.h.
        * c-tree.h (pushdecl, pushlevel, poplevel, set_block,
        insert_block, getdecls, kept_level_p, global_bindings_p): New.
        * dbxout.c (dbxout_init): Use getdecls langhook.
        * expr.c (expand_expr): Use insert_block langhook.
        * fold-const.c: Include langhooks.h.
        (fold_range_test, fold_binary_op_with_conditional_arg,
        fold): Use global_bindings_p langhook.
        * integrate.c (expand_inline_function): Use insert_block langhook.
        * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
        LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
        LANG_HOOKS_GETDECLS): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
        langhook.
        * langhooks.h (struct lang_hooks_for_decls): New.
        (struct lang_hooks): Update.
        * profile.c: Include langhooks.h.
        (output_func_start_profiler): Use new langhooks.
        * sdbout.c: Include langhooks.h.
        (sdbout_init, sdbout_finish): Use getdecls langhook.
        * stmt.c: Include langhooks.h.
        (expand_fixup, fixup_gotos): Use new langhooks.
        * stor-layout.c: Include langhooks.h.
        (variable_size): Use global_bindings_p langhook.
        * toplev.c (compile_file): Use getdecls langhook.
        * tree-inline.c (remap_block): Use insert_block langhook.
        * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
        insert_block, getdecls, kept_level_p, global_bindings_p): Remove.

2002-03-21  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic
        constants in .data when -fpic.

2002-03-21  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux
        where appropriate.

2002-03-21  Tom Tromey  <tromey@redhat.com>

        * config/i386/sol2.h (ASM_QUAD): Undef.  Fixes PR bootstrap/5948.

Thu Mar 21 09:50:48 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse.

        * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT.

2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
            Richard Henderson  <rth@redhat.com>

        PR c/5354
        * c-common.c (c_expand_expr): Preserve result of a statement
        expression if needed.

2002-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4195
        * genrecog.c (maybe_both_true_mode): Remove.
        (maybe_both_true_2, write_switch): Revert 2001-07-17 changes.
        * machmode.def (Pmode): Likewise.

Thu Mar 21 01:55:06 EST 2002  John Wehle  (john@feith.com)

        * alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
        (nonlocal_mentioned_p_1): New function.
        (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
        (nonlocal_set_p, nonlocal_set_p_1): Likewise.
        (mark_constant_function): Recognize pure functions.
        * rtl.h (global_reg_mentioned_p): New prototype.
        * rtlanal.c (global_reg_mentioned_p,
        global_reg_mentioned_p_1): New function.

2002-03-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64
        UNIX assert.h.
        * fixinc/fixincl.x: Regenerate.

2002-03-20  Jason Merrill  <jason@redhat.com>

        * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0.

2002-03-20  Michael Meissner  <meissner@redhat.com>

        * doc/invoke.texi (Optimize Options): Document that -O2 sets
        -fstrict-aliasing.

2002-03-20  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a
        ".literal_position" directive before the constant pool.

2002-03-20  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Update Geoffrey Keating.
        Add Craig Rodrigues.
        Add Brad Lucier to testers.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/4792
        * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode
        to if_then_else.
        (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise.
        * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached
        instead of insn_extract.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4192
        * config/fr30/fr30.md (jump): Remove clobber of fixed register.

        * genemit.c (output_added_clobbers_hard_reg_p): Only output return
        stmt if some case has been output.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR c/5972
        * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc,
        movsfcc_1, movdfcc_1): Add %O2.
        * config/i386/i386.c (print_operand): Handle %ON.
        Print . before float condition codes in Sun as cmov syntax.
        * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as.
        * config.gcc (i[34567]86-*-solaris2*): Remove comment which is
        no longer true.

2002-03-20  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_output_epilogue): Don't generate separate
        return instruction if PC was popped.

2002-03-20  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md: Remove unused type attributes.
        (adddi_carry, subddi_carry): Change type attribute to "multi".

2002-03-19  Dale Johannesen  <dalej@apple.com>

        PR optimization/5999, middle-end/5731
        * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
        multiplications by reciprocals.

2002-03-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * c-common.c: Include langhooks.h.
        (inline_forbidden_p): Use new hook.
        * diagnostic.c: Include langhooks.h.
        (format_with_decl, announce_function,
        default_print_error_function): Use new hook.
        * dwarf2out.c (dwarf2_name): Use new hook.
        * function.c: Include langhooks.h.
        (init_function_start): Use new hook.
        * langhooks-def.h (lhd_decl_printable_name): New.
        (LANGHOOKS_DECL_PRINTABLE_NAME): New.
        (LANGHOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_decl_printable_name): New.
        * langhooks.h (struct lang_hooks): New hook.
        * toplev.c (decl_name, decl_printable_name): Remove.
        (open_dump_file): Use new hook.
        (process_options): Remove old hook.
        * tree.h (decl_printable_name): Remove.
objc:
        * objc-act.c (objc_init): Remove old hook.
        (objc_printable_name): Export.
        * objc-act.h (objc_printable_name): New.
        * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.

2002-03-19  Jim Blandy  <jimb@redhat.com>

        * c-lex.c (cb_file_change): Pass the #inclusion's line number to
        the start_source_file debug hook, not the current line number.

2002-03-19  Richard Henderson  <rth@redhat.com>

        * flow.c (EH_USES): Provide default.
        (calculate_global_regs_live): Use it for EH edges and noreturn calls.
        * doc/tm.texi (EH_USES): New.

        * config/ia64/ia64.c (ia64_eh_uses): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (EH_USES): New.

2002-03-19  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_def): Fix stupid typo.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5879
        * except.c (current_function_has_exception_handlers): New.
        * except.h: Declare it.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
        Combine tests that disable all sibcalls for the function.

2002-03-19  Olivier Hainque  <hainque@act-europe.fr>

        * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
        for INTEGER_CST.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5977, 5991
        * config/ia64/ia64.c: Revert 2002-03-01 patch.
        * config/ia64/ia64.h (INIT_EXPANDERS): New.

2002-03-19  Jim Blandy  <jimb@redhat.com>

        * cppmacro.c (cpp_macro_definition): Emit a space after the macro
        name, even if the replacement list contains no tokens, as required
        by Dwarf.

2002-03-19  Jason Merrill  <jason@redhat.com>

        * varasm.c (globalize_decl): Get the name from the RTL, not
        DECL_ASSEMBLER_NAME.

        * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.

2002-03-19  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
        subdi_carry): Define.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Only warn
        about -fpic/-fPIC if extra_warnings set.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (expand_expr): Sign-extend CONST_INT generated from
        TREE_STRING_POINTER.
        * fold-const.c (fold): Delete #if 0 ARRAY_REF case.

Tue Mar 19 14:12:32 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
        in favor of SP if FRAME_POINTER_REQUIRED is false.

2002-03-19  Lars Brinkhoff  <lars@nocrew.org>

        * emit-rtl.c (gen_int_mode): New function.
        * rtl.h: Prototype for it.
        * combine.c (make_extraction, simplify_comparison), expmed.c
        (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
        (convert_modes, store_field), optabs.c (expand_fix),
        simplify-rtx.c (neg_const_int, simplify_unary_real),

        * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
        Use it instead of GEN_INT (trunc_int_for_mode (...)).

2002-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/5656
        * langhooks.h (struct lang_hooks_for_tree_inlining): Add
        convert_parm_for_inlining.
        * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
        Define.
        * langhooks-def.h: Likewise.
        * objc/objc-lang.c: Likewise.
        * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
        function.
        * tree-inline.c (initialize_inlined_parameters):
        Call convert_parm_for_inlining lang hook if needed.
        * c-typeck.c (c_convert_parm_for_inlining): New function.
        * c-tree.h (c_convert_parm_for_inlining): Add prototype.

2002-03-18  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (precompute_arguments): Do not assume that temporaries
        can be destroyed after expanding the argument.
        (expand_call): Likewise.

2002-03-15  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md (movdf_internal2): Add two new move constraints.
        Fix register preference on last change.
        * config/mips/mips.c (mips_return_in_memory): New function.
        * config/mips/mips.h (RETURN_IN_MEMORY): Use.
        * config/mips/mips-protos.h: Declare.
        * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
        * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.

2002-03-18  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
        a register too.
        (anddi3, iorsi3): Likewise.

        * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
        use %gprel for symbols that are going to be placed in linkonce
        sections.

        * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
        RETURN_ADDRESS_POINTER_REGNUM to $ra.
        (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
        not needed.  Disregard leaf_function_p().
        (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
        mips16 frame pointer.
        * config/mips/mips.md (store ra): Only to small SP offsets.
        2001-08-22  Graham Stott  <grahams@redhat.com>
        * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
        return a REG rtx for the return address register.

2002-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
        constant-pool addresses as "mode-dependent".
        (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.

2002-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/5740
        * expr.c (emit_group_load): Use extract_bit_field if
        needed for CONCAT arguments.

2002-03-18  Richard Earnshaw  <rearnsha@arm.com>

        PR target/4863
        * arm.md (tablejump): Make this a define_expand.  For PIC add the
        offset to the base of the table.
        (thumb_tablejump): Matcher for Thumb tablejump insn.
        * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
        as the difference of two labels.
        * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
        tables in the code.
        * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
        * arm.c (get_jump_table_size): If the table is not in the text
        section, return zero.

2002-03-18  Bernd Schmidt  <bernds@redhat.com>

        * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
        of gen_rtx_SUBREG.
        (arm_reload_out_hi): Use gen_lowpart instead of
        gen_rtx_SUBREG to access QImode components.
        * config/arm/arm.md: Disable zero_extend split for QImode
        subregs in BIG_ENDIAN mode.
        (storehi_bigend): Match use of least significant byte.
        (storeinthi): Remove extraneous SUBREG.
        Add missing construction of operands[2].
        (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
        (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
        Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.

2002-03-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
        any_operand.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
        explicitly.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
        (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).

2002-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ifcvt.c (dead_or_predicable): Fix uninitialized variable.

        * predict.c (estimate_bb_frequencies): Delete unused variables.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_attribute_table): Move before
        targetm definition.  Make static.

2002-03-17  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.h (yyparse, c_common_parse_file): New.
        * c-lang.c: Include c-common.h.
        (LANG_HOOKS_PARSE_FILE): Redefine.
        * c-lex.c: Include c-common.h.
        (yyparse): Rename c_common_parse_file.  Call yyparse.
        * c-parse.in (yyparse): Remove macro.
        * c-tree.h (yyparse_1): Remove.
        * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hoooks): New hook parse_file.
        * toplev.c (compile_file): Use parse_file hook.
        * tree.h (yyparse): Remove.
        * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
        float_truncate, not fix.
        ("*truncdfsf2_real"): Ditto.
        ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.

        * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.

2002-03-16  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
        (s8), but rather HARD_FRAME_POINTER_REGNUM.  Add parentheses
        where appropriate.  Make the second reference to
        leaf_function_p a function call, as intended.  Reindented.

        * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
        * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.

        * config/mips/mips.md (addsi3, adddi3): Use scratch register to
        add register to non-constant into sp.

        * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
        * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
        (mips16_gp_pseudo_rtx): Lose.
        (INIT_EXPANDERS): Deleted.
        * config/mips/mips.c (mips_init_machine_status): New.
        (mips_free_machine_status): New.
        (mips_mark_machine_status): New.
        (override_options): Set them.
        (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
        (struct machine_function): ... new.  Replaced all references.
        (mips_add_gc_roots): Don't mark them.
        (embedded_pic_fnaddr_reg): New, extracted from...
        (embedded_pic_offset): ... here.
        * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
        (movsi): Likewise.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c: Revert -MD removal.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
        soft registers by default for 68HC12.
        (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
        when compiling with -fomit-frame-pointer.
        (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
        (expand_epilogue): Likewise.
        (m68hc11_gen_rotate): Use exg when rotating by 8.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
        * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
        (splits): Remove unused add splits.
        ("*addhi3_68hc12"): Tune constraints.
        ("addhi_sp"): Try to use X instead of Y in all cases and if the
        constant fits in 8-bits and D is dead use abx/aby instructions.
        ("*addhi3"): Remove extern declaration of ix_reg.
        ("*subsi3"): Optimize and provide new split.
        ("subhi3"): Cleanup.
        ("*subhi3_sp"): Avoid saving X if we know it is dead.
        (arith splits): For 68hc12 save the address register on the stack
        and do the arithmetic operation with a pop.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
        allocating QImode in address registers.
        ("*movqi_m68hc11"): Likewise.

Sat Mar 16 12:57:28 CET 2002  Jan HUbicka  <jh@suse.cz>

        * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (print_help): Display -MD and -MMD.
        Don't display usage string.  Update assertion syntax and
        typo.
        (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
        (cpp_handle_option): Update.

2002-03-15  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
        MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
        and define it so that regardless of target CPU size,
        __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
        of "int" rather than "long."

2002-03-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
        size as a tree.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
        ("tstqi" split): Avoid using memory for tstqi on address register.
        (splits): Remove constraints.
        ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
        ("cmpdf", "cmpsf"): Remove since not used.
        ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
        (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
        ("neghi2"): Tighten constraints.
        ("one_cmplsi2"): Optimize and simplify split.
        * config/m68hc11/larith.asm (__negsi2): Likewise for library.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
        and split of AND operation to clear the upper bits.
        ("*logicalsi3_zextqi"): Likewise.
        ("*logicallhi3_zexthi_ashift8"): Likewise.
        ("*logicalsi3_silshr16"): Likewise.
        ("logicalsi3_silshl16"): Likewise.
        ("anddi3", "iordi3", "xordi3" splits): Remove constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
        (m68hc11_indirect_p): New function.
        (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
        (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
        TARGET_M6812.
        (asm_print_register): Likewise.
        * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
        (m68hc11_indirect_p): Declare.
        * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
        (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
        (TARGET_SWITCHES): New option -mrelax.
        * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
        destination.
        ("iorsi3", "xorsi3"): Likewise.
        ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
        ("*andhi3_mem"): New to handle destination in memory with bclr
        and a scratch register.
        ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
        ("*andhi3_const"): New when operand2 is constant.
        ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
        ("*andhi3_gen"): Cleanup of the old "andhi3".
        ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
        ("xorqi3"): Update constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
        for reg_equiv_memory_loc when the operand is a register that does
        not get a hard register (stack location).
        (tst_operand): After reload, accept all memory operand.
        (symbolic_memory_operand): Fix detection of symbolic references.
        * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
        accept symbols and any constant.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
        note on the insn that sets the soft frame register.
        (must_parenthesize): ix and iy are also reserved names.
        (print_operand_address): One more place where parenthesis are required
        to avoid confusion with register names.
        (m68hc11_gen_movhi): Allow push of stack pointer.
        (m68hc11_check_z_replacement): Fix handling of parallel with a
        clobber.
        (m68hc11_z_replacement): Must update the REG_INC notes to tell what
        the replacement register is.
        * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
        and D8_REGS classes.
        (MODES_TIEABLE_P): All modes are tieable except QImode.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
        (___subdi3): Likewise.
        (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
        (__map_data_section): Optimize 68hc11 case.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
        than a shift to avoid adding a register with itself.
        (m68hc11_memory_move_cost): Take into account NO_REGS.
        (m68hc11_register_move_cost): Update and use memory move cost
        for soft registers.
        (m68hc11_address_cost): Make cost of valid offset not 0 so that
        it gives more opportunities to cse to optimize.
        * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
        * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.

2002-03-15  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (statement_code_p): Handle CLEANUP_STMT.
        * c-common.def (CLEANUP_STMT): New tree node.
        * c-common.h (CLEANUP_DECL): New macro.
        (CLEANUP_EXPR): Likewise.
        * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
        * expr.c (expand_expr): Tidy.
        * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
        * tree-inline.c (initialize_inlined_parameters): Clean up
        new local variables.

2002-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4128
        * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
        before movrXX only, use reg_overlap_mentioned_p.
        Only special case NE if just one insn can be generated.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * varasm.c (assemble_variable): Call resolve_unique_section before
        checking DECL_SECTION_NAME.  Use zeros for a decl with DECL_INITIAL
        of error_mark_node.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5170
        * arm.md (split pattern for thumb shiftable immediates): Add comment
        explaining non-obvious test.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5712
        * arm.md (movaddr, movaddr_insn): Delete.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * toplev.c (wrapup_global_declarations): Clarify variable handling.
        -fkeep-static-consts doesn't apply to comdats.

2002-03-14  Richard Henderson  <rth@redhat.com>

        * c-decl.c: Include c-pragma.h.
        (start_decl, start_function): Invoke maybe_apply_pragma_weak.
        (finish_function): Tidy.
        * c-pragma.c: Include c-common.h.
        (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
        (handle_pragma_weak): Use them.
        (init_pragma): Register pending_weaks.
        * c-pragma.h (maybe_apply_pragma_weak): Declare.
        * print-tree.c (print_node): Print DECL_WEAK.
        * varasm.c (mark_weak_decls): Remove.
        (remove_from_pending_weak_list): Remove.
        (add_weak): Remove.
        (asm_emit_uninitialised): Call globalize_decl for weak commons.
        (weak_decls): Make a tree_list.
        (declare_weak): Cons weak_decls directly.
        (globalize_decl): Remove weak_decls elements directly.
        (weak_finish): Simplify weak_decls walk.  Don't weaken unused