17c478bd9Sstevel@tonic-gate/* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*9a70fc3bSMark J. Nelson * Common Development and Distribution License (the "License"). 6*9a70fc3bSMark J. Nelson * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate/* 227c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 26*9a70fc3bSMark J. Nelson .file "fpcw.s" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate#include <SYS.h> 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate ENTRY(_getcw) 317c478bd9Sstevel@tonic-gate fstcw (%rdi) 327c478bd9Sstevel@tonic-gate ret 337c478bd9Sstevel@tonic-gate SET_SIZE(_getcw) 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate ENTRY(_putcw) 367c478bd9Sstevel@tonic-gate subq $8,%rsp 377c478bd9Sstevel@tonic-gate movq %rdi,(%rsp) 387c478bd9Sstevel@tonic-gate fldcw (%rsp) 397c478bd9Sstevel@tonic-gate addq $8,%rsp 407c478bd9Sstevel@tonic-gate ret 417c478bd9Sstevel@tonic-gate SET_SIZE(_putcw) 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate ENTRY(_getsw) 447c478bd9Sstevel@tonic-gate fstsw (%rdi) 457c478bd9Sstevel@tonic-gate ret 467c478bd9Sstevel@tonic-gate SET_SIZE(_getsw) 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate ENTRY(_putsw) 497c478bd9Sstevel@tonic-gate andq $0x3f,%rdi 507c478bd9Sstevel@tonic-gate jnz 1f 517c478bd9Sstevel@tonic-gate fnclex 527c478bd9Sstevel@tonic-gate ret 537c478bd9Sstevel@tonic-gate1: 547c478bd9Sstevel@tonic-gate subq $32,%rsp 557c478bd9Sstevel@tonic-gate fnstsw %ax 567c478bd9Sstevel@tonic-gate fnstenv (%rsp) 577c478bd9Sstevel@tonic-gate andw $0xffc0,%ax 587c478bd9Sstevel@tonic-gate orw %ax,%di 597c478bd9Sstevel@tonic-gate movw %di,4(%rsp) 607c478bd9Sstevel@tonic-gate fldenv (%rsp) 617c478bd9Sstevel@tonic-gate addq $32,%rsp 627c478bd9Sstevel@tonic-gate ret 637c478bd9Sstevel@tonic-gate SET_SIZE(_putsw) 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate ENTRY(_getmxcsr) 667c478bd9Sstevel@tonic-gate stmxcsr (%rdi) 677c478bd9Sstevel@tonic-gate ret 687c478bd9Sstevel@tonic-gate SET_SIZE(_getmxcsr) 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate ENTRY(_putmxcsr) 717c478bd9Sstevel@tonic-gate subq $8,%rsp 727c478bd9Sstevel@tonic-gate movq %rdi,(%rsp) 737c478bd9Sstevel@tonic-gate ldmxcsr (%rsp) 747c478bd9Sstevel@tonic-gate addq $8,%rsp 757c478bd9Sstevel@tonic-gate ret 767c478bd9Sstevel@tonic-gate SET_SIZE(_putmxcsr) 77