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 #include "lint.h" 28 #include <ieeefp.h> 29 30 #pragma weak _fpsetsticky = fpsetsticky 31 32 extern int _sse_hw; 33 extern void _getsw(int *), _putsw(int), _getmxcsr(int *), _putmxcsr(int); 34 35 fp_except fpsetsticky(fp_except s)36fpsetsticky(fp_except s) 37 { 38 int sw, mxcsr; 39 40 _getsw(&sw); 41 _putsw((int)s); 42 if (_sse_hw) { 43 _getmxcsr(&mxcsr); 44 sw |= mxcsr; 45 mxcsr = (mxcsr & ~0x3f) | ((int)s & 0x3f); 46 _putmxcsr(mxcsr); 47 } 48 return ((fp_except)(sw & 0x3f)); 49 } 50