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 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 .file "fpcw.s" 27 28#include <SYS.h> 29 30 ENTRY(_getcw) 31 fstcw (%rdi) 32 ret 33 SET_SIZE(_getcw) 34 35 ENTRY(_putcw) 36 subq $8,%rsp 37 movq %rdi,(%rsp) 38 fldcw (%rsp) 39 addq $8,%rsp 40 ret 41 SET_SIZE(_putcw) 42 43 ENTRY(_getsw) 44 fstsw (%rdi) 45 ret 46 SET_SIZE(_getsw) 47 48 ENTRY(_putsw) 49 andq $0x3f,%rdi 50 jnz 1f 51 fnclex 52 ret 531: 54 subq $32,%rsp 55 fnstsw %ax 56 fnstenv (%rsp) 57 andw $0xffc0,%ax 58 orw %ax,%di 59 movw %di,4(%rsp) 60 fldenv (%rsp) 61 addq $32,%rsp 62 ret 63 SET_SIZE(_putsw) 64 65 ENTRY(_getmxcsr) 66 stmxcsr (%rdi) 67 ret 68 SET_SIZE(_getmxcsr) 69 70 ENTRY(_putmxcsr) 71 subq $8,%rsp 72 movq %rdi,(%rsp) 73 ldmxcsr (%rsp) 74 addq $8,%rsp 75 ret 76 SET_SIZE(_putmxcsr) 77