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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #include "lint.h" 31 #include "sys/types.h" 32 #include "sys/dl.h" 33 34 dl_t lmul(dl_t lop,dl_t rop)35lmul(dl_t lop, dl_t rop) 36 { 37 dl_t ans; 38 dl_t tmp; 39 int jj; 40 41 ans = lzero; 42 43 for (jj = 0; jj <= 63; jj++) { 44 if ((lshiftl(rop, -jj).dl_lop & 1) == 0) 45 continue; 46 tmp = lshiftl(lop, jj); 47 tmp.dl_hop &= 0x7fffffff; 48 ans = ladd(ans, tmp); 49 }; 50 51 return (ans); 52 } 53