1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* Copyright (c) 1988 AT&T */ 23/* All Rights Reserved */ 24 25 26/* Copyright (c) 1989 by Sun Microsystems, Inc. */ 27 28.ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ 29 30/* 31 * Determine the sign of a double-long number. 32 * Ported from m32 version to sparc. 33 * 34 * int 35 * lsign (op) 36 * dl_t op; 37 */ 38 39 .file "lsign.s" 40 41#include <sys/asm_linkage.h> 42 43 ANSI_PRAGMA_WEAK(lsign,function) 44 45#include "synonyms.h" 46 47 ENTRY(lsign) 48 49 ld [%o0],%o0 ! fetch op (high word only) 50 jmp %o7+8 ! return 51 srl %o0,31,%o0 ! shift letf logical to isolate sign 52 53 SET_SIZE(lsign) 54