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 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 .file "fmod.s" 30 31#include "libm.h" 32LIBM_ANSI_PRAGMA_WEAK(fmod,function) 33#include "libm_protos.h" 34 35 ENTRY(fmod) 36 movl 16(%esp),%eax / eax <-- hi_32(y) 37 andl $0x7fffffff,%eax / eax <-- hi_32(|y|) 38 orl 12(%esp),%eax / eax <-- lo_32(y)|hi_32(|y|) 39 je .zero 40 41 fldl 12(%esp) / load arg y 42 fldl 4(%esp) / load arg x 43.mod_loop: 44 fprem / partial fmod 45 fstsw %ax / store status word 46 andw $0x400,%ax / check for incomplete reduction 47 jne .mod_loop / while incomplete, do fprem again 48 fstp %st(1) 49 ret 50.zero: 51 pushl %ebp 52 movl %esp,%ebp 53 PIC_SETUP(1) 54 pushl $27 / case 27 in _SVID_libm_err 55 pushl 20(%ebp) / pass x 56 pushl 16(%ebp) 57 pushl 12(%ebp) / pass y 58 pushl 8(%ebp) 59 call PIC_F(_SVID_libm_err) 60 addl $20,%esp 61 PIC_WRAPUP 62 leave 63 ret 64 .align 4 65 SET_SIZE(fmod) 66