* builtin-attrs.def: Update copyright years.
(ATTR_NONNULL): New attribute identifier.
(ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
attribute tree lists.
(DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
format operand.
(ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
(DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
attribute lists.  Chain the appropriate nonnull attribute.
* c-format.c (check_format_arg): Remove null format string
warning.
* testsuite/gcc.dg/format/null-1.c: New test.

From-SVN: r53801

	* Makefile.in (ADAC): Define.
	(SYSLIBS): Define.
	(.SUFFIXES): Move before language makefile fragments.
	(STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC.

	ada:
	* Make-lang.in (CP, ECHO): Copy from Makefile.in.
	(X_ADA_CFLAGS, T_ADA_CFLAGS, X_ADAFLAGS, T_ADAFLAGS): Likewise.
	(ALL_ADAFLAGS, FORCE_DEBUG_ADAFLAGS, ADA_CFLAGS): Likewise.
	(ALL_ADA_CFLAGS): Likewise.
	(ADA_INCLUDES): Likewise.
	Adapt for new working dir.
	(GNATBIND): Use Makefile.in version.
	(.SUFFIXES): Copy from Makefile.in.
	(ada-warn): Define.
	(.adb.o, .ads.o): Copy from Makefile.in.
	Added $(OUTPUT_OPTION).
	(GNAT1_C_OBJS): Moved from Makefile.in.
	Prefix with ada subdir.
	(GNAT_ADA_OBJS, GNAT1_ADA_OBJS, GNAT1_OBJS, GNATBIND_OBJS): Likewise.
	(EXTRA_GNAT1_OBJS): Moved from Makefile.in.
	Adapt for new working dir.
	(EXTRA_GNATBIND_OBJS): Likewise.
	(ADA_BACKEND): Moved from Makefile.in.
	Renamed to avoid conflict with global BACKEND.
	Use that one.
	(TARGET_ADA_SRCS): Moved from Makefile.in.
	(gnat1$(exeext)): Replaced recursive rule with Makefile.in version.
	Use ADA_BACKEND.
	(gnatbind$(exeext)): Replaced recursive rule with Makefile.in version.
	(ada_extra_files): Moved from Makefile.in.
	Prefix with ada subdir.
	(ada/b_gnat1.c, ada/b_gnat1.o, ada/b_gnatb.c, ada/b_gnatb.o): Likewise.
	(ada/treeprs.ads, ada/einfo.h, ada/sinfo.h, ada/nmake.adb): Likewise.
	(ada/nmake.ads): Likewise.
	(update-sources): Moved from Makefile.in.
	Prefix with ada subdir.
	(ada/sdefault.adb, ada/stamp-sdefault, ada/sdefault.o): Likewise.
	(ADA_TREE_H): Likewise.
	(ada/a-except.o, ada/s-assert.o, ada/s-memory.o): Likewise.
	(ada/memtrack.o): Likewise.
	(ada/adadecode.o): Likewise.
	Update dependencies.
	(ada/adaint.o): New.
	(ada/argv.o): Moved from Makefile.in.
	Prefix with ada subdir.
	Update dependencies.
	(ada/cstreams.o, ada/exit.o, ada/final.o, ada/link.o): Likewise.
	(ada/cio.o, ada/init.o, ada/raise.o, ada/tracebak.o): Likewise.
	(ada/cuintp.o, ada/decl.o, ada/misc.o): Moved from Makefile.in.
	Prefix with ada subdir.
	(ada/targtyps.o, ada/trans.o, ada/utils.o, ada/utils2.o): Likewise.
	(GNAT DEPENDENCIES): Regenerate.
	* Makefile.in (MACHMODE_H, RTL_H, TREE_H): Removed, provided by
	toplevel Makefile.in.
	(EXTRA_GNAT1_OBJS, EXTRA_GNATBIND_OBJS): Removed.
	(TARGET_ADA_SRCS): Removed.
	(GNAT1_C_OBJS, GNAT_ADA_OBJS, GNAT1_ADA_OBJS, GNAT1_OBJS): Likewise.
	(GNATBIND_OBJS): Likewise.
	(ADA_INCLUDE_DIR, ADA_RTL_OBJ_DIR): Moved here.
	(BACKEND): Removed.
	(../gnat1$(exeext), ../gnatbind$(exeext)): Likewise.
	(TREE_H): Likewise.
	(ada_extra_files): Likewise.
	(b_gnat1.c, b_gnat1.o, b_gnatb.c, b_gnatb.o): Likewise.
	(treeprs.ads, einfo.h, sinfo.h, nmake.adb, nmake.ads): Likewise.
	(update-sources): Likewise.
	(sdefault.adb, stamp-sdefault, sdefault.o): Likewise
	(ADA_TREE_H): Likewise.
	(adadecoce.o): Likewise.
	(cuintp.o, decl.o, misc.o, trans.o, utils.o, utils2.o): Likewise.
	(GNAT DEPENDENCIES): Likewise.

From-SVN: r53800

	* varasm.c (make_decl_rtl): Don't allow weak variables to be
	placed in common.

	* gcc/testsuite/gcc.dg/weak-8.c: New test.

From-SVN: r53798

	* cfg.c (dump_flow_info): Print results of
	maybe_hot/probably_never_executed predicates.
	* toplev.c (open_dump_file): Print function frequency.

From-SVN: r53796

2002-05-23  David S. Miller  <davem@redhat.com>

	* cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use
	regsets.

From-SVN: r53793

2002-05-23  Benjamin Kosnik  <bkoz@redhat.com>

	* configure.in (release_VERSION): Update to 3.1.1.
	(libtool_VERSION): Update to 4:1:0.
	* configure: Regenerate.

From-SVN: r53791

* c-common.c (warn_nonnull): Declare.
(c_common_attribute_table): Add "nonnull" attribute.
(handle_nonnull_attribute, check_function_nonnull, nonnull_check_p,
check_nonnull_arg, get_nonnull_operand, check_function_arguments,
check_function_arguments_recurse): New functions.
* c-common.h (warn_nonnull): Declare extern.
(check_function_arguments, check_function_arguments_recurse): New
prototypes.
* c-decl.c (c_decode_option): Add -Wnonnull option.
* c-format.c (set_Wformat): Set warn_nonnull if enabling
format checking.
(format_check_context): New structure.
(check_format_info_recurse): Remove recursion and rename to...
(check_format_arg): ...this.  Update comment.
(check_format_info): Use check_function_arguments_recurse.
* c-typeck.c (build_function_call): Call check_function_arguments
instead of check_function_format.
* doc/extend.texi: Document "nonnull" attribute.
* doc/invoke.texi: Docuemnt -Wnonnull option.
* testsuite/gcc.dg/nonnull-1.c: New test.
* testsuite/gcc.dg/nonnull-2.c: New test.

From-SVN: r53790

2002-05-23  David S. Miller  <davem@redhat.com>

	* basic-block.h (CLEANUP_NO_INSN_DEL): Define it.
	* cfgcleanup.c (cleanup_cfg): If it is set do not
	attempt to delete trivially dead insns.
	* except.c (finish_eh_generation): Pass it to cleanup_cfg.
	* toplev.c (rest_of_compilation): Document non-trivial aspect
	the RTL before optimize_save_area_alloca is run.

From-SVN: r53789

	* c-lex.c (indent_level): Remove.
	(cb_file_change, c_lex): Remove indent level handling.
	* c-lex.h (indent_level): Remove.
	* input.h (struct file_stack): Remove indent_level.
	* toplev.c (push_srcloc): Remove indent_level handling.
cp:
	* spew.c (yyungetc, snarf_block): Remove indent_level handling.

From-SVN: r53786

	* gcc.dg/weak-2.c: Allow optional leading underscore
	in scan-assembler symbol name.
	* gcc.dg/weak-3.c: Likewise.
	* gcc.dg/weak-4.c: Likewise.
	* gcc.dg/weak-5.c: Likewise.

From-SVN: r53785

	PR target/6753
	* config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead
	of x in constraints for clarity.
	(sse_mov?fcc split): abort if op2 == op3.
	(sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3,
	sse_movsfcc_const0_4): Add earlyclobber.
	(sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
	sse_movdfcc_const0_4): Likewise.  Use DFmode, not SFmode.
	Use Y instead of x in constraints.

	* gcc.dg/20020523-1.c: New test.

From-SVN: r53784

        * doc/extend.texi (C99 Thread-Local Edits): New subsection.
        (C++98 Thread-Local Edits): New subsection.

From-SVN: r53781

        * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
        (ix86_arch): Set type to enum processor_type.

From-SVN: r53779

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use
        LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST.

From-SVN: r53778

	* configure.in: Fix as version test for binutils 2.12.1 releases
	(without dates).
	* configure: Rebuilt.

From-SVN: r53775

        * config/i386/i386.c (get_pic_label_name): New.
        (load_pic_register): Remove.
        (output_set_got): New.
        (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD.
        * config/i386/i386.md (UNSPEC_SET_GOT): New.
        (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove.
        (prologue_set_got, prologue_get_pc): Remove.
        (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New.
        (builtin_setjmp_receiver): Use gen_set_got.
        * config/i386/i386-protos.h: Update.

From-SVN: r53773

From-SVN: r53772

From-SVN: r53771

        * dbxout.c (dbxout_class_name_qualifiers): New function.
        (dbxout_symbol): Output class/struct qualifiers for a .stabs entry.

From-SVN: r53766

	* cpperror.c (_cpp_begin_message): No special casing
	of CPP_FATAL_LIMIT.
	* cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
	(output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
	* cpplib.c (do_include_common): Use DL_ERROR.
	* cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
	(DL_ICE): Renumber.
	* fix-header.c (read_scan_file): Update.

From-SVN: r53765

testsuite:
	* objc.dg/const-str-2.m: Update now that we stop after
	a command line error.

From-SVN: r53764

        * config/i386/i386.c (ix86_expand_call): New function, extracted
        from md call patterns.  Add pic_offset_table_rtx to
        CALL_INSN_FUNCTION_USAGE when needed.
        * config/i386/i386.md (call_pop, call): Use ix86_expand_call.
        (call_value_pop, call_value, untyped_call): Likewise.
        (call_exp, call_value_exp): Remove.
        * config/i386/i386-protos.h: Update.

From-SVN: r53763

From-SVN: r53762

        * varasm.c (default_section_type_flags): Check for VAR_DECL
        before using DECL_THREAD_LOCAL.

        * decl.c (obscure_complex_init): Check for VAR_DECL
        before using DECL_THREAD_LOCAL.

From-SVN: r53761

	* Makefile.am (all-recursive): Depend on $all_java_class_files so that
	they build first.
	* Makefile.in: Rebuilt.

From-SVN: r53760

	* libjava.lang/PR6729.java: New file.
	* libjava.lang/PR6729.out: New file.

From-SVN: r53759

From-SVN: r53758

        * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer.
        (STARTFILE_SPEC): Delete PE crt0.o.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF.
        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to
        function descriptor symbol.  Use RS6000_OUTPUT_BASENAME.
        (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME.
        * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define.

From-SVN: r53756

From-SVN: r53755

        * decl.c (check_tag_decl): Handle RID_THREAD.
        (obscure_complex_init): Reject run-time init of tls.
        (grokvardecl, grokdeclarator): Handle RID_THREAD.
        * lex.c (reswords): Add __thread.
        (rid_to_yy): Map RID_THREAD to SCSPEC.

        * g++.dg/dg.exp: Prune the tls subdirectory.
        * g++.dg/tls/tls.exp, g++.dg/tls/trivial.C: New.
        * g++.dg/tls/diag-1.C, g++.dg/tls/diag-2.C: New.
        * g++.dg/tls/init-1.C: New.

From-SVN: r53754

        * varasm.c (default_section_type_flags): Handle tls data and
        default sections.
        (default_unique_section): Handle tls sections.

From-SVN: r53753

	* configure.in (CROSS): Define NATIVE_CROSS.
	* configure: Regenerate.
	* gcc.c (STARTFILE_PREFIX_SPEC): Define.
	(startfile_prefix_spec): New var.
	(static_specs): Add startfile_prefix_spec.
	(do_spec_2): Split out from..
	(do_spec): ..here.
	(main): Process startfile_prefix_spec.
	* config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of
	dynamic linker.
	(STARTFILE_PREFIX_SPEC): Define.
	(STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without
        absolute paths.

From-SVN: r53752

	* cpperror.c: Fix formatting.
	* cppexp.c: Likewise.
	* cppfiles.c: Likewise.
	* cpphash.c: Likewise.
	* cpphash.h: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* cppmain.c: Likewise.
	* cppspec.c: Likewise.

From-SVN: r53751

	* combine.c (force_to_mode): Use gen_int_mode.
	Don't clear CONST_INT bits outside of mode.

	* gcc.dg/20020517-1.c: New test.

From-SVN: r53750

        * fixinc/inclhack.def (thread_keyword): Match __thread as last arg.
        * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.

From-SVN: r53749

	PR c/6643
	* emit-rtl.c (widen_memory_access): Only call compare_tree_int
	if DECL_SIZE_UNIT is INTEGER_CST.

From-SVN: r53748

* configure.in: Fix typo in the code checking for sys_errlist.
* configure: Regenerated.

From-SVN: r53747

From-SVN: r53746

        * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg.
        * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.

From-SVN: r53745

* config.guess: Update to 2002-05-22 version.
* config.sub: Likewise.

From-SVN: r53742