1*5d9d9091SRichard Lowe/* 2*5d9d9091SRichard Lowe * CDDL HEADER START 3*5d9d9091SRichard Lowe * 4*5d9d9091SRichard Lowe * The contents of this file are subject to the terms of the 5*5d9d9091SRichard Lowe * Common Development and Distribution License (the "License"). 6*5d9d9091SRichard Lowe * You may not use this file except in compliance with the License. 7*5d9d9091SRichard Lowe * 8*5d9d9091SRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*5d9d9091SRichard Lowe * or http://www.opensolaris.org/os/licensing. 10*5d9d9091SRichard Lowe * See the License for the specific language governing permissions 11*5d9d9091SRichard Lowe * and limitations under the License. 12*5d9d9091SRichard Lowe * 13*5d9d9091SRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each 14*5d9d9091SRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*5d9d9091SRichard Lowe * If applicable, add the following below this CDDL HEADER, with the 16*5d9d9091SRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying 17*5d9d9091SRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner] 18*5d9d9091SRichard Lowe * 19*5d9d9091SRichard Lowe * CDDL HEADER END 20*5d9d9091SRichard Lowe */ 21*5d9d9091SRichard Lowe 22*5d9d9091SRichard Lowe/* 23*5d9d9091SRichard Lowe * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*5d9d9091SRichard Lowe * Use is subject to license terms. 25*5d9d9091SRichard Lowe */ 26*5d9d9091SRichard Lowe 27*5d9d9091SRichard Lowe/* Copyright (c) 1988 AT&T */ 28*5d9d9091SRichard Lowe/* All Rights Reserved */ 29*5d9d9091SRichard Lowe 30*5d9d9091SRichard Lowe .file "lsign.s" 31*5d9d9091SRichard Lowe 32*5d9d9091SRichard Lowe/* 33*5d9d9091SRichard Lowe * Determine the sign of a double-long number. 34*5d9d9091SRichard Lowe * Ported from m32 version to sparc. 35*5d9d9091SRichard Lowe * 36*5d9d9091SRichard Lowe * int 37*5d9d9091SRichard Lowe * lsign (op) 38*5d9d9091SRichard Lowe * dl_t op; 39*5d9d9091SRichard Lowe */ 40*5d9d9091SRichard Lowe 41*5d9d9091SRichard Lowe#include "SYS.h" 42*5d9d9091SRichard Lowe 43*5d9d9091SRichard Lowe ENTRY(lsign) 44*5d9d9091SRichard Lowe 45*5d9d9091SRichard Lowe ld [%o0],%o0 ! fetch op (high word only) 46*5d9d9091SRichard Lowe jmp %o7+8 ! return 47*5d9d9091SRichard Lowe srl %o0,31,%o0 ! shift letf logical to isolate sign 48*5d9d9091SRichard Lowe 49*5d9d9091SRichard Lowe SET_SIZE(lsign) 50