* doc/invoke.texi (i386 Options): Document x86-64 options.
	(i386 and x86-64 Options): Rename i386 options section.

	* config/i386/i386.h (TARGET_UNWIND_INFO): New.
	(TARGET_SWITCHES): Add -munwind-info.
	(MASK_NO_UNWIND_INFO): New.
	(NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
	biarch compilation.
	(ASM_OUTPUT_DOUBLE_INT): New.

	* config/i386/linux64.h: New spec file for Linux x86-64 support.
	* config.gcc: Fix tm_file settings for x86-64.
	* config/i386/x86-64.h: New file with OS independent x86-64
	definitions.
	* config/i386/biarch64.h: New file used to configure compiler
	to biarch/64bit compilation.

	* config/i386/i386.c: (override_options): Set flags default
	for 64bit compilation.

	* i386.c (legitimize_pic_address): Add missing bits of 64bit support.
	(ix86_expand_int_movcc): Optimize DImode conditional moves with
	constants on x86_64.
	(ix86_attr_length_immediate_default): Support MODE_DI.
	* i386.md (fixdi splitter): Add missing "&& 1" in splitter
	condition.
	(indirect_jump, tablejump): Turn into expander.

From-SVN: r45946

c-common.c (c_format_attribute_table): Make format and format_arg attributes apply to function types rather than to decls.

	* c-common.c (c_format_attribute_table): Make format and
	format_arg attributes apply to function types rather than to
	decls.
	(is_valid_printf_arglist): Construct an attribute list and pass
	that to check_function_format rather than a name.
	* c-common.h (check_function_format): Adjust prototype.
	* c-decl.c (duplicate_decls): Preserve attributes from type of
	built-in decl when allowing for harmless conflict in types.
	* c-format.c (record_function_format,
	record_international_format, function_format_list,
	international_format_info, international_format_list): Remove.
	(function_format_info): Remove next, name and assembler_name.
	Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
	(decode_format_attr): New.
	(handle_format_attribute): Handle receiving a type rather than a
	decl.  Call decode_format_attr.  Store format information in a
	function_format_info.
	(handle_format_arg_attribute): Correct comment.  Handle receiving
	a type rather than a decl.  Use unsigned HOST_WIDE_INT for
	arg_num.
	(check_format_info_recurse, check_format_info_main): Take argument
	numbers as unsigned HOST_WIDE_INT.
	(check_function_format): Take a list of attributes from the
	function type rather than a name or assembler name.  Check for
	format attributes in that list and the attributes on the type of
	the current function rather than looking through
	function_format_list.
	(check_format_info): Use unsigned HOST_WIDE_INT for argument
	numbers.
	(check_format_info_recurse): Take format_arg attributes from the
	type of the function calls rather than using
	international_format_list.  Allow for multiple format_arg
	attributes.
	* c-typeck.c (build_function_call): Pass type attributes to
	check_function_format rather than name or assembler name.  Don't
	require there to be a name or assembler name to check formats.

cp:
	* call.c (build_over_call), typeck.c (build_function_call_real):
	Pass type attributes to check_function_format rather than name or
	assembler name.  Don't require there to be a name or assembler
	name to check formats.

testsuite:
	* g++.dg/warn/format2.C, gcc.dg/format/attr-7.c,
	gcc.dg/format/multattr-1.c, gcc.dg/format/multattr-2.c,
	gcc.dg/format/multattr-3.c: New tests.
	* gcc.dg/format/attr-3.c: Update expected error texts.  Remove
	tests for format attributes on function pointers being rejected.

From-SVN: r45945

From-SVN: r45943

attribs.c (decl_attributes): Possibly call insert_default_attributes to insert default attributes on...

	* attribs.c (decl_attributes): Possibly call
	insert_default_attributes to insert default attributes on
	functions in a lazy manner.
	* builtin-attrs.def: New file; define the default format and
	format_arg attributes.
	* c-common.c (c_format_attribute_table): Move to earlier in the
	file.
	(c_common_nodes_and_builtins): Initialize format_attribute_table.
	(enum built_in_attribute, built_in_attributes,
	c_attrs_initialized, c_init_attributes,
	c_common_insert_default_attributes): New.
	(c_common_lang_init): Don't initialize format_attribute_table.  Do
	call c_init_attributes.
	* Makefile.in (c-common.o): Depend on builtin-attrs.def.
	* c-common.h (init_function_format_info): Don't declare.
	(c_common_insert_default_attributes): Declare.
	* c-decl.c (implicitly_declare, builtin_function): Call
	decl_attributes.
	(init_decl_processing): Don't call init_function_format_info.
	(insert_default_attributes): New.
	* c-format.c (handle_format_attribute,
	handle_format_arg_attribute): Be quiet about inappropriate
	declaration when applying default attributes.
	(init_function_format_info): Remove.
	* tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
	(insert_default_attributes): Declare.

cp:
	* decl.c (init_decl_processing): Don't call
	init_function_format_info.  Initialize lang_attribute_table
	earlier.
	(builtin_function): Call decl_attributes.
	(insert_default_attributes): New.

testsuite:
	* gcc.dg/format/attr-5.c, gcc.dg/format/attr-6.c: New tests.

From-SVN: r45942

	* c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.

testsuite:
	* g++.dg/warn/format1.C: New test.

From-SVN: r45941

From-SVN: r45939

	* sched-deps.c (add_dependence): When elide conditional dependence,
	check that insn doesn't modify cond2.

From-SVN: r45938

2001-10-01  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (enum processor_type): Add support
        for 7400 (G4) and 7450.
        (RTX_COSTS): Ditto.
        * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
        (rs6000_issue_rate): Ditto.
        (rs6000_adjust_cost): Fix cycle counts for compares.
        (debug_stack_info):  Fix an obvious typo.
        * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
        * doc/invoke.texi: Document.
        * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
        for Darwin.
        (PROCESSOR_DEFAULT): Ditto.

From-SVN: r45937

	* Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
	(fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
	later recursive make invocation.

From-SVN: r45935

	* optabs.c (emit_libcall_block): When using non-call exceptions,
	don't add REG_LIBCALL reg notes to trapping calls.

From-SVN: r45934

	* flow.c (propagate_block_delete_libcall): Remove unused first arg
	(propagate_one_insn):  Update for above change

From-SVN: r45933

	* unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
	_Unwind_GetTextRelBase): Argument is unused.

From-SVN: r45932

	* alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
	Loop through NOPs, placeholders, and components.
	Don't go through NOPs if change mode.
	(record_alias_subset): Do nothing if SUBSET and SET are the same.
	* emit-rtl.c (set_mem_alias_set): Enable check.
	* expr.c (find_placeholder): New function.
	(expand_expr, case PLACEHOLDER_EXPR): Use it.
	(expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
	to modify it and avoid unneeded copies.
	* expr.h (expand_expr): Always define.
	(find_placeholder): New declaration.

From-SVN: r45931

	* java/io/FileWriter.java: Merge with Classpath.
	* java/io/FilterInputStream.java: Ditto.
	(mark): no longer synchronized
	(reset): Likewise
	* java/io/FilterOutputStream.java: Merge with Classpath.
	* java/io/FilterReader.java: Ditto.
	(mark): no longer synchronized
	(reset): Likewise
	* java/io/FilterWriter.java: Merge with Classpath.
	* java/io/Writer.java: Ditto.
	* java/lang/Compiler.java: Ditto.
	* java/lang/Process.java: Ditto.
	* java/lang/Void.java: Ditto.
	* java/net/ContentHandler.java: Ditto.
	* java/net/DatagramPacket.java: Ditto.
	* java/net/MulticastSocket.java: Merge comments with Classpath.

From-SVN: r45930

From-SVN: r45929

	* config/m68hc11/m68hc11.md ("add-split"): Fix add split when
	operand 2 is the stack pointer.
	("addr-peephole"): Fix address computation peephole when operand 2
	is the stack pointer.

From-SVN: r45925

	* config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
	(ix86_setup_incoming_varargs): Likewise.

From-SVN: r45924

        * decl.c (grokdeclarator): Copy array typedef handling from C
        frontend.

        * decl.c (grokdeclarator): Copy too-large array handling from C
        frontend.

        * stor-layout.c (layout_type): Don't complain about too-large
        array here.

From-SVN: r45923

	* function.c (keep_stack_depressed): Don't use delete_insn.

	* expr.h (set_mem_alias_set): Move decl to here.
	* rtl.h (mem_attrs): New typedef and struct.
	(union rtunion_def): Add field for mem_attrs.
	(X0MEMATTR, MEM_ATTRS): New macros.
	(MEM_ALIAS_SET): Use MEM_ATTRS.
	(MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
	(MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
	(set_mem_alias_set): Delete decl from here.

	* alias.c (set_mem_alias_set): Delete from here.
	* emit-rtl.c (mem_attrs_htab): New variable.
	(rtx_htab_mark, rtx_htab_mark_1): Deleted.
	(mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
	(mem_attrs_mark, get_mem_attrs): Likewise.
	(gen_rtx_MEM): Clear MEM_ATTRS.
	(set_mem_attributes): Move to here.
	(set_mem_alias_set): Likewise, and call get_mem_attrs.
	(init_emit_once): const_int_htab now deletable htab.
	Initialize mem_attrs_htab.
	* explow.c (set_mem_attributes): Delete from here.
	* function.c (put_var_into_stack): Clear MEM_ATTRS.
	(gen_mem_addressof): Likewise; rework to use set_mem_attributes.
	* ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
	* reload1.c (reload): Rework changing REG to MEM.

From-SVN: r45922

From-SVN: r45921

From-SVN: r45919

2001-10-01  Toon Moene  <toon@moene.indiv.nluug.nl>

	* Makefile.in: Set major:minor:sub version number
	of shared libf2c to 0:0:0.

From-SVN: r45918

From-SVN: r45917

2001-09-30  Toon Moene  <toon@moene.indiv.nluug.nl>

	* libf2c/ChangeLog: Forgot to check in.
	* libf2c/libU77/config.hin: Forgot to check in.

Co-Authored-By: Toon Moene <toon@moene.indiv.nluug.nl>

From-SVN: r45914

2001-09-29  Juergen Pfeifer  <juergen.pfeifer@gmx.net>

	Make libf2c a shared library (gcc/f directory).

	* Make-lang.in: Pass define of frtbegin.o to compilation of g77spec.c.
	* g77spec.c (lang_specific_driver): Treat linking in of frtbegin.o.

2001-09-29  Juergen Pfeifer  <juergen.pfeifer@gmx.net>
            Toon Moene  <toon@moene.indiv.nluug.nl>

	Make libf2c a shared library (libf2c directory).

	* aclocal.m4: Get definition of libtool.
	* Makefile.in: Use libtool.
	* configure.in: Use libtool.
	* configure: Regenerated.
	* libF77/Makefile.in: Use libtool; treat main program contained in
	libF77/main.c specially.
	* libF77/configure.in: Use libtool.
	* libF77/configure: Regenerated.
	* libI77/Makefile.in: Use libtool.
	* libI77/configure.in: Use libtool.
	* libI77/configure: Regenerated.
	* libU77/Makefile.in: Use libtool.
	* libU77/configure.in: Use libtool.
	* libU77/configure: Regenerated.
	* libU77/date_.c: Adapt for -fPIC compiling.
	* libU77/vxtidate_.c: Ditto.

From-SVN: r45913

2001-09-30  H.J. Lu <hjl@gnu.org>

	* acconfig.h (PREFIX_INCLUDE_DIR): New variable.
	* config.in: Rebuild.

From-SVN: r45911

	* java/io/DataInput.java:  Merge with Classpath.
	* java/io/DataOutput.java:  Idem.
	* java/io/FilenameFilter.java:  Idem.
	* java/io/Serializable.java:  Idem.
	* java/lang/Cloneable.java:  Idem.
	* java/lang/Comparable.java:  Idem.
	* java/lang/Runnable.java:  Idem.
	* java/lang/reflect/Member.java:  Idem.
	* java/net/ContentHandlerFactory.java:  Idem.
	* java/net/FileNameMap.java:  Idem.
	* java/net/SocketImplFactory.java:  Idem.
	* java/net/SocketOptions.java:  Idem.
	* java/net/URLStreamHandlerFactory.java:  Idem.

From-SVN: r45910

	* config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
	("tsthi_1"): Avoid allocation in register y.
	("*movqi_68hc12"): Reorganize and fix constraints.
	("zero_extendqisi2"): Prefer d over x and y for operand 1.
	("addqi3"): Likewise.
	("addhi3"): Fix constraints.
	("*logicalhi3_zexthi"): Disparage soft registers.

From-SVN: r45908

	* config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
	to tmp reg.

From-SVN: r45903

	* config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
	that we use setjmp/longjmp exceptions.

From-SVN: r45901

From-SVN: r45900

	* cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
	POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
	struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
	_cpp_pool_alloc, _cpp_next_chunk): Remove.
	(_cpp_extend_buff, BUFF_ROOM): Update.
	(_cpp_append_extend_buff): New.
	(struct cpp_reader): Remove macro_pool, add a_buff.
	* cppinit.c (cpp_create_reader): Initialize a_buff, instead of
	macro_pool.
	(cpp_destroy): Free a_buff instead of macro_pool.
	* cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
	new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
	_cpp_pool_alloc, ): Remove.
	(parse_number, parse_string): Update use of _cpp_extend_buff.
	(_cpp_extend_buff): Update.
	(_cpp_append_extend_buff, cpp_aligned_alloc): New.
	* cpplib.c (glue_header_name, parse_answer):
	Update use of _cpp_extend_buff.
	(cpp_register_pragma, cpp_register_pragma_space): Use
	_cpp_aligned_alloc.
	(do_assert, do_unassert): Check for EOL, update.
	* cppmacro.c (stringify_arg, collect_args): Update to use
	_cpp_extend_buff and _cpp_append_extend_buff.
	(save_parameter, parse_params, alloc_expansion_token,
	_cpp_create_definition): Rework memory management.

	* gcc.dg/cpp/redef2.c: Add test.

From-SVN: r45899

	PR libgcj/4383

	* gnu/gcj/protocol/file/Connection.java (connect): Throw
	FileNotFoundException if appropriate.
	* gnu/gcj/protocol/file/Handler.java (openConnection): Throw an
	IOException if we got a file: url with a hostname. Comment out protocol
	switch to ftp for now.
	* java/net/URL.java (URL): Include protocol name in exception
	message
	when handler can't be found.

From-SVN: r45898

From-SVN: r45896

        * java/lang/natClass.cc (_Jv_IsAssignableFrom): Handle the case of
        an uninitialized target class.

From-SVN: r45893

* config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
update md_exec_prefix.
(UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
to string constant.

From-SVN: r45892

* config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
(SELECT_CC_MODE): Use s390_select_ccmode.
* config/s390/s390-protos.h (s390_select_ccmode): Add.
* config/s390/s390.c (s390_select_ccmode): New.
(s390_match_ccmode): Add CCLmode.
(s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
(output_branch_condition, output_inverse_branch_condition): Removed.
(print_operand): Use s390_branch_condition_mnemonic.
* config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
(bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.

* config/s390/s390.c (check_and_change_labels): Preserve CC mode
when converting conditional branches to far branches.
* config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
cmpint_di): Use CCSmode instead of CCUmode.

* config/s390/s390.c (legitimate_la_operand_p): New.
* config/s390/s390-protos.h (legitimate_la_operand_p): Add.
* config/s390/s390.md (movsi): Convert load address patterns to
arithmetic operations when necessary.
(addaddr_picR, addaddr_picL, addaddr_picN): Removed.
(do_la): Renamed to *do_la and use legitimate_la_operand_p.
(*do_la_reg_0): Don't use before reload.

* config/s390/s390.c (legitimize_address): Make more efficient
use of two-register addressing mode.

* config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
with -mno-backchain in some corner cases.

* config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.

From-SVN: r45891

* reload.c (find_reloads): Mark new USE insns with QImode.
(find_reloads_toplev, find_reloads_address, subst_reg_equivs,
find_reloads_subreg_address): Likewise.
* regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
encountered.
* reload1.c (reload_combine_note_use): Likewise, inside USEs and
CLOBBERs.
(reload): Make sure there are no USEs with mode other than
VOIDmode.  At the end, remove those marked with QImode.

From-SVN: r45889

config-lang.in (target_libs): Added target-gperf, so that we don't try to build it if C++ is disabled.

* config-lang.in (target_libs): Added target-gperf, so that we
don't try to build it if C++ is disabled.

From-SVN: r45887

From-SVN: r45886