* flow.c (flow_delete_insn, make_edge, remove_edge): Export.
        * basic-block.h: Declare them.
        * emit-rtl.h (active_insn_p): New.
        (next_active_insn, prev_active_insn): Use it.
        * rtl.h: Declare it.
        * function.c (emit_return_into_block): New.
        (thread_prologue_and_epilogue_insns): Insert return insns instead
        of epilogues when possible.
        * jump.c (jump_optimize_1): Remove code to insert a return insn
        on the fallthru to the exit block.

From-SVN: r31826

        * simplify-rtx.c (simplify_relational_operation): Canonicalize
        constant to op1 for testing.

From-SVN: r31825

2000-02-06  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*ldi_on_overflow): New pattern.
	(fixuns_truncqfqi2): Use it.

From-SVN: r31823

        * i386.md (widening and peepholes): Mask the constant instead of
        using gen_lowpart.

From-SVN: r31822

        * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
        as a TYPE_LEA insn.

From-SVN: r31821

From-SVN: r31820

cppfiles.c (read_and_prescan): Bump input pointer before possibly branching off to the backslash code.

	* cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
	input pointer before possibly branching off to the backslash
	code.
	* cpphash.c (macroexpand): Correctly delete \r escapes when
	stringifying parameters.
	* cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
	if we can; bail out early if we hit a line comment.
	(handle_directive): Treat '# 123' in an .S file just like
	'# <punctuation>'.  Discard the shifted '#' if we hit '#\n'.
	Return 1 for '# not_a_directive'.
	(get_directive_token): Pop macro buffers here, so that
	cpp_get_token can't sneakily move past a newline.
	Add sanity checks.
	(cpp_get_token): goto randomchar if handle_directive returns 0.

From-SVN: r31819

	* cppalloc.c: Update copyright.
	* cpplib.c: Merge all the static function prototypes into one
	block.
	* cpplib.h: Remove #if 0 block.

From-SVN: r31818

	* cpperror.c: Remove #ifdef EMACS block.
	* cppmain.c: Likewise.
	* cpphash.c: Remove #if 0 blocks.
	* cppinit.c: Remove #if 0 blocks, and the -lint option.
	* cpplib.c: Remove #if 0 blocks and code referencing
	pcp_inside_if or for_lint.  Remove duplicate error message.
	Fix error messages for #else after #else or #elif.  Reformat.
	Remove archaic TODO list.
	* cpplib.h: Remove pcp_inside_if and for_lint flags.

From-SVN: r31817

	* cp/tinfo.h: Remove apostrophes from C++ comment (xgettext
	thinks this file is plain C).
	* i386/osf1elf.h: Add missing backslash to multiline string.
	* po/POTFILES.in: Remove stupid.c.
	* exgettext: s/VPROTO/VPARAMS/ now that we are no longer using
	VPROTO.

From-SVN: r31816

	Alan Modra  <alan@SPRI.Levels.UniSA.Edu.Au>
        * gcc.c-torture/execute/20000205-1.c: New.

From-SVN: r31815

From-SVN: r31814

       * gjavah.c (overloaded_jni_method_exists_p): Add prototype.
       (print_name_for_stub_or_jni, process_file): Constify a char*.

From-SVN: r31813

       * com.c (mark_tracker_head, mark_binding_level): Protoize.

       * where.c (mark_ffewhere_head): Likewise.

From-SVN: r31812

	* Makefile.in (call.o): Depend on $(EXPR_H).

	* call.c: Include "expr.h".

	* class.c (dump_class_hierarchy): Add prototype.

	* search.c (dfs_get_pure_virtuals): Likewise.

From-SVN: r31811

	* Makefile.in (c-common.o): Depend on $(EXPR_H).

	* c-common.c: Include expr.h.

	* c-pragma.c (mark_align_stack): Add prototype.

	* caller-save.c (add_stored_regs): Likewise.

	* combine.c (record_promoted_value): Likewise.

	* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
	Likewise.

	* cppinit.c (new_pending_define): Likewise.

	* cpplib.c (skip_block_comment, skip_line_comment): Likewise.

	* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
	AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
	AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
	class_scope_p): Likewise.

	* dwarf2out.h (dwarf2out_set_demangle_name_func,
	dwarf2out_add_library_unit_info): Likewise.

	* ggc.h (ggc_page_print_statistics): Likewise.

	* haifa-sched.c (propagate_deps): Likewise.

	* reg-stack.c (next_flags_user, record_label_references): Likewise.

	* rtl.h (set_stack_check_libfunc): Likewise.

	* toplev.h (set_fatal_function): Likewise.

	* toplev.c (set_fatal_function): Delete prototype.

	* diagnostic.c: Deconstify functions returning malloc'ed ptrs.

From-SVN: r31810

* ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
(FUNC_END): Likewise.

From-SVN: r31808

From-SVN: r31806

2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* caller-save.c: Include tm_p.h.

From-SVN: r31805

2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).

From-SVN: r31804

From-SVN: r31803

2000-02-04  Neil Booth  <NeilB@earthling.net>

	* cccp.c (main): Check 'dir' for a NULL pointer before passing
	it to strcmp.

From-SVN: r31802

 	* recog.h: Remove NO_MD_PROTOTYPES ifdefs.
 	* genflags.c: Use the max_operand_1 logic from genemit.c to
 	calculate how many arguments gen_insn prototypes have.  Remove
 	NO_MD_PROTOTYPES ifdefs from the generated file.
 	* genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
 	file.  Cast gen_insn initializers to insn_gen_fn.
 	* config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
 	* gcc.texi: Remove documentation of NO_MD_PROTOTYPES.

From-SVN: r31801

        * fixinc/Makefile.in (HDR): Add machname.h.
        (clean): Likewise.

From-SVN: r31800

2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
	(c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
	(c4x_cpu_version): Ditto.
	* config/c4x/c4x-protos.h: ... here.

From-SVN: r31799

dwarf2out.c (add_abstract_origin_attribute): Don't call gen_abstract_function on our context if we're a nested function.

        * dwarf2out.c (add_abstract_origin_attribute): Don't call
        gen_abstract_function on our context if we're a nested function.

From-SVN: r31798

2000-02-05  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
	* config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.

From-SVN: r31797

BigInteger).

From-SVN: r31795

	* Makefile.am: Added MPN.java and BigInteger.java.
	* Makefile.in: Rebuilt.
	* gnu/gcj/math/MPN.java: New file.
	* java/math/BigInteger.java: New file.

From-SVN: r31794

2000-02-04  Bruce Korb  <bkorb@gnu.org>

	* fixinc/genfixes(machname.h):
	Move the functionality from gen-machine.h into this file.
	UNdef MN_NAME_PAT if there are no names to change.
	Also, be a little kinder when AutoGen is not present.

	* fixinc/Makefile.in(machname.h):
	Change the generation rule to use genfixes.

	* fixinc/fixfixes.c(machine_name):
	machine_name_fix's functionality now dependent upon whether
	MN_NAME_PAT is defined.

	* fixinc/fixtests.c(machine_name):
	ditto.

	* fixinc/fixlib.c(mn_get_regexps): conditional on definition
	of MN_NAME_PAT.

	* fixinc/fixlib.h(mn_get_regexps):
	ditto

	* fixinc/gen-machine.h: DELETED

From-SVN: r31793

        * i386.c (SAVE_REGS_FIRST): Remove.
        (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
        (ix86_compute_frame_size): Likewise.
        (ix86_expand_prologue): Likewise.  Use pro_epilogue_adjust_stack.
        (ix86_emit_restore_regs): Remove.
        (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
        when a frame pointer is in use.
        (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode.  Use mov
        instead of pop to restore a register when profitable; emit leave
        when profitable.
        (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
        as a TYPE_LEA insn.
        (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
        * i386.md (prologue_allocate_stack): Remove.
        (epilogue_deallocate_stack): Remove.
        (pro_epilogue_adjust_stack): New.

Co-Authored-By: Richard Henderson <rth@cygnus.com>

From-SVN: r31792

        * function.c (diddle_return_value): Rework to use a callback function.
        Use current_function_return_rtx if it's been set up.
        (do_clobber_return_reg, clobber_return_register): New.
        (do_use_return_reg, use_return_register): New.
        (expand_function_end): Use them.
        * stmt.c (expand_null_return): Likewise.
        * function.h: Declare them.
        * flow.c (mark_regs_live_at_end): Use diddle_return_value.
        (mark_reg): Change arguments as appropriate for callback.
        * integrate.c (expand_inline_function): Revert 19 Jan change.

From-SVN: r31791

	* defineclass.cc (handleMethodsBegin): Allocate _Jv_MethodBase
	pointers.
	(handleMethodsEnd): Fixed error messages.  Create a _Jv_JNIMethod
	if the method is native.
	* resolve.cc (ncode): Don't handle native methods.
	(_Jv_JNIMethod::ncode): New method.
	(_Jv_PrepareClass): Handle native methods.
	* jni.cc (call): Renamed from _Jv_JNI_conversion_call.
	Include AbstractMethodError.h.
	(add_char): New function.
	(mangled_name): Likewise.
	* include/java-interp.h (class _Jv_JNIMethod): New class.
	(class _Jv_MethodBase): New class.
	(class _Jv_InterpMethod): Derive from _Jv_MethodBase.
	(_Jv_InterpClass): Changed `interpreted_methods' field to type
	`_Jv_MethodBase'.

	* include/jvm.h (_Jv_FindSymbolInExecutable): Declare.
	* java/lang/natRuntime.cc (libraries_size, libraries_count,
	libraries): New globals.
	(add_library): New function.
	(_Jv_FindSymbolInExecutable): New function.

	* java/lang/natClassLoader.cc (initiated_classes, loaded_classes):
	Now static.

From-SVN: r31790

	* tm.texi (Values in Registers): Fix typo: "fo" "for".
	(Misc): Say the scheduler, not the Haifa scheduler.

From-SVN: r31789

	* jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
	when in_mem is set.  Update all callers.

From-SVN: r31787

From-SVN: r31786

2000-02-04  Andrew Haley  <aph@cygnus.com>

        * java/lang/Throwable.java (CPlusPlusDemangler): New class.
        (printStackTrace): Use a CPlusPlusDemangler to demangle names.
        * java/lang/natThrowable.cc (printRawStackTrace): Rename
        printStackTrace to printRawStackTrace.

From-SVN: r31785

From-SVN: r31784

From-SVN: r31783

	* config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
	(MD_STARTFILE_PREFIX_1): New macro.

From-SVN: r31780