* sibcall.c (skip_unreturned_value): New function.
	(call_ends_block_p): Use it.

From-SVN: r43010

	* recog.c (split_insn): Break out from ...
	(split_all_insns): ... here; do not use basic block information
	when it is broken.

From-SVN: r43009

	* simplify-rtx.c (simplify_subreg):  Fix verification of
	combined subreg.

From-SVN: r43008

	* config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
	Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
	Move definition of _LANGUAGE_C_PLUS_PLUS ...
	(CPLUSPLUS_CPP_SPEC): ... here.
	Fixes PRs c++/3047, target/441.

From-SVN: r43007

        PR c++/3061
        * class.c (build_secondary_vtable): Use assert, rather than an error
        message.
        (dfs_fixup_binfo_vtbls): BINFO_VTABLE might be NULL.
        (dfs_accumulate_vtbl_inits): A lost primary virtual base may
        be between ORIG_BINFO and RTTI_BINFO, but neither of them.
        Don't set BINFO_VTABLE for a primary virtual base.

Co-Authored-By: Jason Merrill <jason@redhat.com>

From-SVN: r43006

From-SVN: r43002

From-SVN: r43001

	* update_web_docs: Only update the install documentation for the
	CVS HEAD.

From-SVN: r43000

	* libsupc++/eh_alloc.cc: Ensure that required macros are
	defined before including gthr.h.  Ensure that we get the
	version of gthr.h for which we know how to provide a
	configuration.
	* libsupc++/eh_globals.cc: Likewise.  And, bring the threading
	code path into line with the current EH model.  Use std, where
	appropriate.

Co-Authored-By: John David Anglin <dave@hiauly1.hia.nrc.ca>

From-SVN: r42999

	* config/threads-no.h: Remove file.
	* config/threads-posix.h: Remove file.

	* acconfig.h (_GLIBCPP_USE_THREADS): Remove.
	(_GLIBCPP_SUPPORTS_WEAK): Add (required by namespace-clean gthr*.h).
	(_GLIBCPP_HAVE_GTHR_DEFAULT): Likewise.
	* config.h.in: Regenerate.

	* acinclude.m4 (GLIBCPP_ENABLE_THREADS): Completely rework to
	setup and use gthr*.h files.  In particular, make gthr.h files
	namespace-clean in the staging area (they don't have to be for
	libgcc.a).
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

	* src/Makefile.am (build_headers): Remove bits/c++threads.h
	and add bits/gthr.h bits/gthr-single.h bits/gthr-default.h.
	* src/Makefile.in: Regenerate.

	* include/bits/c++config: Cleanup threading configuration macros.
	In particular, define __STL_GTHREADS macro which controls...
	* include/bits/stl_threads.h: ...a brand new gthr.h-based
        configuration here.

	* config/c_io_stdio.h: Include staged gthr.h instead of local
	thread configuration file.  Always use __gthread_mutex_t
	instead of __mutext_type (or int).
	* include/bits/std_fstream.h: Likewise.

	* docs/html/17_intro/howto.html: Remove placeholder comment in
	case this configuration patch didn't make it.  Add advice that
	section only applies if configured with --enable-threads.
	* docs/html/23_containers/howto.html: Reword to make clear
	that _PTHREADS is no longer required for any port to be
	correctly using STL with threads.  Add advice that section
	only applies if configured with --enable-threads.

Co-Authored-By: John David Anglin <dave@hiauly1.hia.nrc.ca>

From-SVN: r42998

Makefile.in (AS_FOR_TARGET, [...]): If gcc/xgcc is built, use -print-prog-name to find out the program name to use.

* Makefile.in (AS_FOR_TARGET, LD_FOR_TARGET, NM_FOR_TARGET): If
gcc/xgcc is built, use -print-prog-name to find out the program
name to use.

From-SVN: r42996

From-SVN: r42995

        * config/darwin.h (ENCODE_SECTION_INFO): Define.
        (REDO_SECTION_INFO_P): Ditto.
        (STRIP_NAME_ENCODING): Ditto.
        (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
        (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
        (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
        * config/darwin.c: No longer include c-tree.h.
        (machopic_classify_ident): Rewrite to use symbol encoding.
        (lookup_name_darwin): Remove.
        (machopic_non_lazy_ptr_name): Handle encoded symbols.
        (machopic_stub_name): Use STRIP_NAME_ENCODING.
        (machopic_validate_stub_or_non_lazy_ptr): Ditto.
        (machopic_finish): Ditto, remove test of decl.
        (update_non_lazy_ptrs): New function.
        (darwin_encode_section_info): New function.
        * config/darwin-protos.h: Declare it.
        * config/rs6000/rs6000.c (machopic_output_stub): Use
        STRIP_NAME_ENCODING.

From-SVN: r42994

	* tree.h (DECL_SOURCE_FILE): Improve documentation.
	(DECL_SOURCE_LINE): Likewise.

	* decl.c (duplicate_decls): Update source position information
	when a template function is defined.

From-SVN: r42993

	* config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
	from config/elfos.h.

From-SVN: r42991

2001-06-07  Phil Edwards  <pme@sources.redhat.com>

	* cp/lang-specs.h:  Move -D_GNU_SOURCE to config/linux.h.
	* config/linux.h (CPLUSPLUS_CPP_SPEC):  Move -D_GNU_SOURCE to here.
	* config/pa/pa-linux.h:  Allow CPLUSPLUS_CPP_SPEC to remain.

From-SVN: r42989

From-SVN: r42987

From-SVN: r42985

	* config.gcc: For $target_alias of athlon-*, set
	target_cpu_default2=5.

From-SVN: r42984

From-SVN: r42981

	* global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
	end of last block if last real insn is a JUMP_INSN.

From-SVN: r42977

contrib:
	* gennews: Update for GCC 3.0.

gcc:
	* NEWS: Regenerate.

From-SVN: r42975

	* gthr-posix.h (__gthread_objc_thread_detach): Simply cast
	pthread_t to objc_thread_t.
	(__gthread_objc_thread_id): Likewise.

From-SVN: r42974

	* alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
	(ASM_OLDAS_SPEC): Likewise.

	* alpha/osf.h (CPP_XFLOAT_SPEC): Define.
	(CPP_SUBTARGET_SPEC): Use it.
	(ASM_OLDAS_SPEC): Define.
	(ASM_SPEC): Use it.
	(SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.

From-SVN: r42971

	* config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
	passed by reference.

From-SVN: r42969

	* doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
	Document use of N_(...), and show it in examples.  Note that
	documentation should be added to invoke.texi.  Avoid an overfull
	hbox.

From-SVN: r42965

cp:
	PR c++/2914
	* decl.c (pushtag): Don't push into a complete type's scope.
testsuite:
	* g++.old-deja/g++.ext/anon3.C: New test.

From-SVN: r42962

	* toplev.c (rest_of_compilation): Revert previous patch.
	* final.c (shorten_branches): Likewise.

From-SVN: r42961

	* pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
	Remove.

From-SVN: r42959

From-SVN: r42957

	* expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.

Thu Jun  7 12:12:58 CEST 2001  Jan Hubicka  <jh@suse.cz>

	* toplev.c (rest_of_compilation): Call split_all_insns
	before reg-stack and shorten-branches. Do shorten-branches
	after reg-stack.
	* final.c (shorten_branches): Remove insn splitting code.

From-SVN: r42956

	* configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
	* configure: Rebuilt.

From-SVN: r42955

From-SVN: r42953

	* update_web_docs, doc_exclude: Check out files that may be in the
	Attic.  Check out texinfo.tex.  Don't generate anything from
	c-tree.texi.  Generate PostScript output from manuals.

From-SVN: r42952

From-SVN: r42950

        * cp-tree.h (THUNK_GENERATE_WITH_VTABLE_P): Lose.
        (struct lang_decl_flags): Lose generate_with_vtable_p.
        (BV_GENERATE_THUNK_WITH_VTABLE_P): Lose.
        * class.c (copy_virtuals): Adjust.
        * decl2.c (mark_vtable_entries): Adjust.
        * method.c (make_thunk, build_vtable_entry): Adjust.
        * class.c (update_vtable_entry_for_fn): Only look as far as the
        first defining class.
        (build_vtbl_initializer): Put nothing in the slot for a function only
        defined in a lost primary virtual base.
        (add_vcall_offset_vtbl_entries_1): Use the same code for
        the lost primary case and the normal case.
        (dfs_unshared_virtual_bases): Don't lose a non-virtual primary base.
        (get_vfield_offset, get_derived_offset): Lose.
        (dfs_find_final_overrider): Use look_for_overrides_here.
        (get_matching_virtual): New fn.
        * semantics.c (emit_associated_thunks): Check BV_USE_VCALL_INDEX_P,
        not BV_VCALL_INDEX.
        * search.c (look_for_overrides_here): Split out from...
        (look_for_overrides_r): Here.

        * class.c (find_final_overrider): Return error_mark_node on error.

From-SVN: r42949

	* call.c (convert_default_arg): Use INTEGRAL_TYPE_P.
	(build_over_call): Likewise.
	* decl.c (grokparms): Likewise.
	* pt.c (tsubst_decl): Likewise.
	* typeck.c (convert_arguments): Likewise.

From-SVN: r42947

	* i386.md (floatdi?f): Avoid usinf of SSE instructions
	if TARGET_64BIT is false.
	(floatdi?f_i386_only): New insn.
	(floatdi?f_i386): Disable for !TARGET_64BIT.

	* (min?f, max?f splitters): Handle case where
	operands are cross-matched.

	* i386.h (HI_REGISTER_NAMES): Remove redundant definition
	(MMX_REGISTER_NAMES): Kill.
	(PRINT_OPERAND): Fix comment.
	(PRINT_REG): Likewise.
	* i386.c (print_reg): Kill support for 'm' CODE; simplify.
	(print_operand): Update comment; kill 'm'.

	* i386.c (x86_branch_hints): New global variable
	(print_operand): Support outputting of branch prediction hints.
	* i386.md (conditional jump patterns): Add branch prediction hints
	to the template.
	* i386.h (x86_branch_hints): Declare
	(TARGET_BRANCH_PREDICTION_HINTS): New macro.
	(PRINT_OPERAND_FUNCT_VALID_P): New.
	* final.c (final_forward_branch_p): New function.

From-SVN: r42945

2001-06-06  Benjamin Kosnik  <bkoz@redhat.com>

	* src/string-inst.cc (_Rep::_S_max_size): Add instantiation.

From-SVN: r42943

        * flow.c (mark_used_reg): Clean up looping over multiple hard
        registers.  Do conditional life bits across multiple hard regs.

From-SVN: r42942