Bogus libcalls with multiple REG_RETVAL notes

[Richard Henderson]

On Sat, Sep 16, 2000 at 07:45:03PM +0100, Bernd Schmidt wrote:
> > All the ones that the user calls, yes.  But there are
> > functions calls generated by gcc that don't go through
> > expand_call.
> 
> Can you provide an example? 

builtins.c:1391:	emit_library_call (chkr_check_str_libfunc, 1, VOIDmode, 2,
builtins.c:1471:	emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
builtins.c:1577:	emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
builtins.c:1690:      emit_library_call_value (memcmp_libfunc, result, 2,
calls.c:1681:	  emit_library_call (chkr_check_exec_libfunc, 1,
calls.c:3029:	    emit_library_call (chkr_set_right_libfunc, 1,
calls.c:4379:	  emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
expr.c:807:      value = emit_library_call_value (libcall, NULL_RTX, 1, to_mode,
expr.c:3055:		emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
expr.c:3061:		emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
expr.c:3112:		emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
expr.c:3117:	        emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
expr.c:3334:	    emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
expr.c:3340:	    emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
expr.c:3543:	    emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:3687:	emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
expr.c:3927:	emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3,
expr.c:3932:	emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:4047:		    emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:5994:	    emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:6512:		emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:6825:		  emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
expr.c:8793:	      emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3,
function.c:1456:    emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
function.c:4687:		emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
function.c:4851:	      emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
optabs.c:3035:	  emit_library_call (memcmp_libfunc, 2,
optabs.c:3042:	  emit_library_call (bcmp_libfunc, 2,
stmt.c:716:    emit_library_call (chkr_check_exec_libfunc, 1,