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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include "lint.h" 33 #include "sys/types.h" 34 #include "sys/dl.h" 35 36 dl_t lmul(dl_t lop,dl_t rop)37lmul(dl_t lop, dl_t rop) 38 { 39 dl_t ans; 40 dl_t tmp; 41 int jj; 42 43 ans = lzero; 44 45 for (jj = 0; jj <= 63; jj++) { 46 if ((lshiftl(rop, -jj).dl_lop & 1) == 0) 47 continue; 48 tmp = lshiftl(lop, jj); 49 tmp.dl_hop &= 0x7fffffff; 50 ans = ladd(ans, tmp); 51 }; 52 53 return (ans); 54 } 55