* fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
	change.

From-SVN: r33643

	* execute/20000503-1.c: New test for extract_muldiv bug.

From-SVN: r33642

	* tree.h (tree_common): Add bounded_flag member.  Remove
	inaccurate comment about number of remaining bits.
	(BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
	BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
	MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
	TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
	TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
	(TYPE_QUAL_BOUNDED): New constant.
	(TYPE_QUALS): Handle bounded qualifier.
	(TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
	(TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
	TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
	TYPE_AMBIENT_BOUNDEDNESS): New macros.
	(MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
	(tree_type): Add pointer_depth member.  Remove
	inaccurate comment about number of remaining bits.
	(DECL_POINTER_DEPTH): Add macro.
	(tree_decl): Add pointer_depth member.

From-SVN: r33641

	* config/avr/avr-protos.h (test_hard_reg_class): Declared.
	* config/avr/avr.c (ashrhi3_out): optimized shift by 15.
	(lshrhi3_out): Likewise.
	(ashrsi3_out): bugfix in shift by 8.
	(test_hard_reg_class): New function.
	* config/avr/avr.md: Bugfix inside conditions in peepholes.
	(ashlhi3): removed define_expand of this pattern.
	(*ashlhi3_insn): renamed to ashlhi3.
	(ashlsi3): removed define_expand of this pattern.
	(*ashlsi3_insn): renamed to ashlsi3.
	(ashrqi3): removed define_expand of this pattern.
	(*ashrqi3_insn): renamed to ashrqi3.
	(ashrhi3): removed define_expand of this pattern.
	(*ashrhi3_insn): renamed to ashrhi3.
	(ashrsi3): removed define_expand of this pattern.
	(*ashrsi3_insn): renamed to ashrsi3.
	(lshrhi3): removed define_expand of this pattern.
	(*lshrhi3_insn): renamed to lshrhi3.
	(lshrsi3): removed define_expand of this pattern.
	(*lshrsi3_insn): renamed to lshrsi3.

From-SVN: r33640

From-SVN: r33639

	* config/ia64/ia64.c (ia64_encode_section_info): Add check for
	TREE_ASM_WRITTEN.
	* config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
	if -mauto-pic is on.
	...

From-SVN: r33638

        * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
        (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
        (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
        (mklibgcc, libgcc.mk): New targets.
        (libgcc.a): Use libgcc.mk.
        (stmp-multilib): Likewise.
        (stmp-multilib-sub): Remove.
        (mostlyclean): Don't delete libgcc2 temp files.
        * configure.in (AC_PROG_CC_C_O): Add.
        (NO_MINUS_C_MINUS_O): Substitute it.
        (all_outputs): Add mklibgcc.
        * mklibgcc.in: New file.

From-SVN: r33637

	* expr.c (build_java_jsr): Use emit_jump, not expand_goto.

	* javaop.h (WORD_TO_INT): New function.
	(IMMEDIATE_s4): Use WORD_TO_INT.
	* jcf.h (JPOOL_INT): Ditto.

	* gjavah.c (decode_signature_piece): Don't treat `$' as namespace
	separator.

From-SVN: r33636

        * cppexp.c (op_t): Make an int.

        * rtlanal.c (dead_or_set_regno_p): Remove unused variable.

        * varasm.c (initializer_constant_valid_p): Fix parenthesis.

        * gensupport.c (process_rtx): Fix macros used.

From-SVN: r33635

        * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
        call-clobbered registers of a call.

From-SVN: r33634

	* gensupport.c: New file.
	* gensupport.h: New file.
	* Makefile.in (HOST_RTL): Depend on gensupport.
	(gensupport.o) New rule.
	* genattr.c: Use gensupport for reading .md files.
	* genattrtab.c: Ditto.
	* gencodes.c: Ditto.
	* genconfig.c: Ditto.
	* genemit.c: Ditto.
	* genextract.c: Ditto.
	* genflags.c: Ditto.
	* genopinit.c: Ditto.
	* genoutput.c: Ditto.
	* genpeep.c: Ditto.
	* genrecog.c: Ditto.
	* rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
	* md.texi (Insn Splitting): Document define_insn_and_split.

From-SVN: r33633

Tue May  2 00:20:30 2000  Jason Eckhardt  <jle@cygnus.com>

        * flow.c (verify_flow_info): Added two more sanity checks. The
        first checks that the blocks are numbered consecutively. The second
        checks that n_basic_blocks is actually equal to the number of
        basic blocks in the insn chain.

From-SVN: r33632

2000-05-03  Phil Edwards  <pme@sourceware.cygnus.com>
            Felix Natter <fnatter@gmx.net>

	* docs/footer.html:  Update to see if it takes effect.
	* docs/thanks.html:  More people.
	* docs/17_intro/headers_cc.txt:  Copy from testsuite, since that can't
	  be seen from the web pages.  Rename for browser-friendliness...
	* docs/17_intro/howto.html:  ...and update here.
	* docs/17_intro/porting-howto.html:  Changes from Felix.
	* docs/gccrebuild.html:  Mention v3->egcs move.
	* docs/faq/index.html:  Ditto.  Also misc tweaks and URL updates.
	* docs/faq/index.txt:  Regenerate.

Co-Authored-By: Felix Natter <fnatter@gmx.net>

From-SVN: r33631

	* cpplib.h: Add accessor macros for token lists.
	* cpplib.c, cpphash.c, cpplex.c: Use them.

From-SVN: r33630

	* expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
	memory usage if not in a function.
	* varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
	return address if static.

From-SVN: r33629

From-SVN: r33628

	* ifcvt.c (noce_try_cmove_arith):  Use may_trap_p to thest
	whether address may trap.

From-SVN: r33627

From-SVN: r33624

bb-reorder (chain_reorder_blocks): Changed code to test for EDGE_FALLTHRU rather than making erroneous assumption...

Tue May  2 23:38:37 2000  Jason Eckhardt  <jle@cygnus.com>

	* bb-reorder (chain_reorder_blocks): Changed code to test for
	EDGE_FALLTHRU rather than making erroneous assumption that the
	first outgoing edge is the fall-through edge.

From-SVN: r33623

From-SVN: r33622

From-SVN: r33621

Tue May  2 19:18:43 2000  Jason Eckhardt  <jle@cygnus.com>

        * bb-reorder.c (struct reorder_block_def): Remove members end,
        block_begin, and block_end.
        (REORDER_BLOCK_OLD_END): Delete.
        (REORDER_BLOCK_BEGIN): Delete.
        (REORDER_BLOCK_END): Delete.
        (chain_reorder_blocks): Remove dead code.

From-SVN: r33620

bb-reorder.c (remove_scope_notes): Check for both types of scope notes as the end of a basic block before deleting.

Tue May  2 17:06:53 2000  Jason Eckhardt  <jle@cygnus.com>

	* bb-reorder.c (remove_scope_notes): Check for both types of scope
	notes as the end of a basic block before deleting.

From-SVN: r33619

From-SVN: r33618

2000-05-02  Mumit Khan  <khan@xraylith.wisc.edu>

	* final.c (final_start_function): Fix spelling of "necessary".

From-SVN: r33617

        * toplev.c (debug_ignore_block): Return int.
        * dwarf2out.c (dwarf2out_ignore_block): Likewise.
        * toplev.h, dwarf2out.h: Adjust.
        * emit-rtl.c (remove_unnecessary_notes): Test return value.

        * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
        * toplev.c, final.c, rtl.h: Adjust.

From-SVN: r33616

	* class.c (add_method_1): Set both DECL_EXTERNAL and METHOD_NATIVE
	on native function.
	* jcf-parse.c (parse_class_file): Call build_jni_stub for native
	JNI methods.
	* expr.c (build_jni_stub): New function.
	* lang-specs.h: -fjni and -femit-class-file are incompatible.
	* parse.c: Rebuilt.
	* parse.y (java_complete_expand_methods): Expand a native method
	and call build_jni_stub if -fjni given.
	* lang-options.h: Document -fjni.
	* lang.c (flag_jni): New global.
	(lang_f_options): Added `jni' entry.
	* java-tree.h (soft_lookupjnimethod_node,
	soft_getjnienvnewframe_node, soft_jnipopsystemframe_node):
	Declare.
	(flag_jni): Declare.
	(build_jni_stub): Declare.
	(struct lang_decl): Added `native' flag.
	(METHOD_NATIVE): Redefined to use `native' field of lang specific
	structure.
	* decl.c (soft_lookupjnimethod_node, soft_getjnienvnewframe_node,
	soft_jnipopsystemframe_node): New globals.
	(init_decl_processing): Set them.  _Jv_InitClass only takes one
	argument.

	* java-tree.def: Put into `C' mode.

From-SVN: r33615

	* aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
	* configure.in: Look for makeinfo in the unified tree, then
	for a system makeinfo which is sufficiently new.
	* Makefile.in: If configure says makeinfo is too old, don't
	build or install Info documentation.

From-SVN: r33614

	* cpphash.c (collect_params): Fix off-by-one error.
	(dump_hash_helper): Dump all four macro nodetypes.

From-SVN: r33613

	* cpphash.c (trad_stringify): Adjust p after stringification as
	well.

	* gcc.dg/cpp-tradstringify.c: New test.

From-SVN: r33612

	* cpplib.h (CPP_POP, parse_cleanup_t): Delete.
	(cpp_buffer): Remove cleanup, seen_eof, manual_pop members.

	* cppfiles.c (file_cleanup): Delete.
	* cpphash.c (macro_cleanup): Delete.
	(collect_objlike_expansion, collect_funlike_expansion,
	macarg, scan_arguments): Remove CPP_POP case.

	* cpplex.c (null_cleanup): Delete.
	(cpp_pop_buffer): Do the work that was done in the cleanups
	here.  Call _cpp_unwind_if_stack from here.
	(_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
	cpp_scan_buffer): Run until we see CPP_EOF and the top of
	stack is the buffer _below_ the one we stacked.
	(cpp_get_token): Always pop an exhausted buffer.  Return
	CPP_EOF unless it's a macro buffer.  Don't call _cpp_handle_eof.
	* cpplib.c (skip_if_group): Don't call cpp_get_token to
	increment the line number.
	(_cpp_handle_eof): Rename to _cpp_unwind_if_stack.

	* fix-header.c (read_scan_file) [parsing getchar()]: Run until
	we see CPP_EOF and the top of stack is the buffer _below_ the
	one we stacked.
	* scan-decls.c: Likewise.

From-SVN: r33611

	* gcc.c-torture/compile/20000502-1.c: New test.
	* g++.old-deja/g++.other/align.C: New test.

From-SVN: r33610

ia64.c (ia64_encode_section_info): Handle the case where this function is called for the second time on a decl...

2000-05-02  Andrew Haley  <aph@cygnus.com>

        * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
        where this function is called for the second time on a decl that
        has had its section info changed in such a way as to move it out
        of small data/bss.
        * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.

From-SVN: r33609

From-SVN: r33608

        * bits/char_traits.h: Fix parameter types.
        * bits/string.tcc: Avoid traits_type::move.

From-SVN: r33607

2000-05-01  Benjamin Kosnik  <bkoz@redhat.com>

	* config/cpu/powerpc/bits/atomicity.h (__exchange_and_add): More
	fixes.

From-SVN: r33606

        * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
        the sequence we're moving, not to merge_bb->head.

From-SVN: r33605

From-SVN: r33604

        * bits/char_traits.h: Fix parameter types.
        * bits/string.tcc: Avoid traits_type::move.

From-SVN: r33603

(This trying to counter the effect of the PR 195 check in -- this should
 be right now.)

From-SVN: r33602