/* $NetBSD: muldi3.s,v 1.7 2008/04/28 20:23:13 martin Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ignatios Souvatzis. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <machine/asm.h> ENTRY_NOPROFILE(__muldi3) movml %d2/%d3/%d4/%d5/%d6,%sp@- | 0..4 regs, 5 %pc, 6..9 parameters movml %sp@(24),%d2-%d5 | movl %sp@(24),%d2 | movl %sp@(28),%d3 | movl %sp@(32),%d4 | movl %sp@(36),%d5 movq #0,%d0 movq #0,%d1 movq #63,%d6 L4: asrl #1,%d2 roxrl #1,%d3 jcc L5 addl %d5,%d1 addxl %d4,%d0 L5: addl %d5,%d5 addxl %d4,%d4 L7: dbra %d6,L4 movml %sp@+,%d2/%d3/%d4/%d5/%d6 rts
