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 2011 Nexenta Systems, Inc. All rights reserved. 23 */ 24/* 25 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 .file "remainderf.s" 30 31#include "libm.h" 32LIBM_ANSI_PRAGMA_WEAK(remainderf,function) 33 34 ENTRY(remainderf) 35 push %rbp 36 movq %rsp,%rbp 37 subq $16,%rsp 38 movss %xmm1,-8(%rbp) 39 movss %xmm0,-4(%rbp) 40 flds -8(%rbp) / load arg y 41 flds -4(%rbp) / load arg x 42.rem_loop: 43 fprem1 / partial remainder 44 fstsw %ax / store status word 45 andw $0x400,%ax / check whether reduction complete 46 jne .rem_loop / while reduction incomplete, do fprem1 47 fstps -4(%rbp) 48 movss -4(%rbp),%xmm0 49 fstp %st(0) 50 leave 51 ret 52 .align 4 53 SET_SIZE(remainderf) 54