1/* $NetBSD: muldi3.s,v 1.6 2001/03/02 16:43:26 mhitch Exp $ */ 2 3/*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31#include <machine/asm.h> 32 33ENTRY_NOPROFILE(__muldi3) 34 movml %d2/%d3/%d4/%d5/%d6,%sp@- | 0..4 regs, 5 %pc, 6..9 parameters 35 movml %sp@(24),%d2-%d5 36| movl %sp@(24),%d2 37| movl %sp@(28),%d3 38| movl %sp@(32),%d4 39| movl %sp@(36),%d5 40 movq #0,%d0 41 movq #0,%d1 42 movq #63,%d6 43L4: 44 asrl #1,%d2 45 roxrl #1,%d3 46 jcc L5 47 addl %d5,%d1 48 addxl %d4,%d0 49L5: 50 addl %d5,%d5 51 addxl %d4,%d4 52L7: 53 dbra %d6,L4 54 movml %sp@+,%d2/%d3/%d4/%d5/%d6 55 rts 56