1/* $NetBSD: ashrdi3.S,v 1.8 2014/03/18 18:20:37 riastradh 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 J.T. Conklin. 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 32#include <machine/asm.h> 33 34| d0 msw 35| d1 lsw 36| d2 shift 37| d3 offset (32 - shift) 38 39ENTRY(__ashrdi3) 40 link %fp,#-12 41 moveml %d2-%d4,(%sp) 42 movel 8(%fp),%d0 43 movel 12(%fp),%d1 44 movel 16(%fp),%d2 45 moveq #32,%d3 46 subl %d2,%d3 47 jgt L2 48 negl %d3 49 movel %d0,%d1 50 asrl %d3,%d1 51 smi %d0 52 extbl %d0 53 jra L3 54L2: lsrl %d2,%d1 55 movel %d0,%d4 56 asll %d3,%d4 57 orl %d4,%d1 58 asrl %d2,%d0 59L3: moveml -12(%fp),%d2-%d4 60 unlk %fp 61 rts 62END(__ashrdi3) 63