1*25c28e83SPiotr Jasiukajtis/* 2*25c28e83SPiotr Jasiukajtis * CDDL HEADER START 3*25c28e83SPiotr Jasiukajtis * 4*25c28e83SPiotr Jasiukajtis * The contents of this file are subject to the terms of the 5*25c28e83SPiotr Jasiukajtis * Common Development and Distribution License (the "License"). 6*25c28e83SPiotr Jasiukajtis * You may not use this file except in compliance with the License. 7*25c28e83SPiotr Jasiukajtis * 8*25c28e83SPiotr Jasiukajtis * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*25c28e83SPiotr Jasiukajtis * or http://www.opensolaris.org/os/licensing. 10*25c28e83SPiotr Jasiukajtis * See the License for the specific language governing permissions 11*25c28e83SPiotr Jasiukajtis * and limitations under the License. 12*25c28e83SPiotr Jasiukajtis * 13*25c28e83SPiotr Jasiukajtis * When distributing Covered Code, include this CDDL HEADER in each 14*25c28e83SPiotr Jasiukajtis * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*25c28e83SPiotr Jasiukajtis * If applicable, add the following below this CDDL HEADER, with the 16*25c28e83SPiotr Jasiukajtis * fields enclosed by brackets "[]" replaced with your own identifying 17*25c28e83SPiotr Jasiukajtis * information: Portions Copyright [yyyy] [name of copyright owner] 18*25c28e83SPiotr Jasiukajtis * 19*25c28e83SPiotr Jasiukajtis * CDDL HEADER END 20*25c28e83SPiotr Jasiukajtis */ 21*25c28e83SPiotr Jasiukajtis/* 22*25c28e83SPiotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23*25c28e83SPiotr Jasiukajtis */ 24*25c28e83SPiotr Jasiukajtis/* 25*25c28e83SPiotr Jasiukajtis * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26*25c28e83SPiotr Jasiukajtis * Use is subject to license terms. 27*25c28e83SPiotr Jasiukajtis */ 28*25c28e83SPiotr Jasiukajtis 29*25c28e83SPiotr Jasiukajtis .file "floor.s" 30*25c28e83SPiotr Jasiukajtis 31*25c28e83SPiotr Jasiukajtis#include "libm.h" 32*25c28e83SPiotr JasiukajtisLIBM_ANSI_PRAGMA_WEAK(floor,function) 33*25c28e83SPiotr Jasiukajtis 34*25c28e83SPiotr Jasiukajtis ENTRY(floor) 35*25c28e83SPiotr Jasiukajtis subl $8,%esp 36*25c28e83SPiotr Jasiukajtis fstcw (%esp) 37*25c28e83SPiotr Jasiukajtis fldl 12(%esp) 38*25c28e83SPiotr Jasiukajtis movw (%esp),%cx 39*25c28e83SPiotr Jasiukajtis orw $0x0c00,%cx 40*25c28e83SPiotr Jasiukajtis xorw $0x0800,%cx 41*25c28e83SPiotr Jasiukajtis movw %cx,4(%esp) 42*25c28e83SPiotr Jasiukajtis fldcw 4(%esp) / set RD = down 43*25c28e83SPiotr Jasiukajtis frndint 44*25c28e83SPiotr Jasiukajtis fstcw 4(%esp) / restore RD 45*25c28e83SPiotr Jasiukajtis movw 4(%esp),%dx 46*25c28e83SPiotr Jasiukajtis andw $0xf3ff,%dx 47*25c28e83SPiotr Jasiukajtis movw (%esp),%cx 48*25c28e83SPiotr Jasiukajtis andw $0x0c00,%cx 49*25c28e83SPiotr Jasiukajtis orw %dx,%cx 50*25c28e83SPiotr Jasiukajtis movw %cx,(%esp) 51*25c28e83SPiotr Jasiukajtis fldcw (%esp) / restore RD 52*25c28e83SPiotr Jasiukajtis addl $8,%esp 53*25c28e83SPiotr Jasiukajtis ret 54*25c28e83SPiotr Jasiukajtis .align 4 55*25c28e83SPiotr Jasiukajtis SET_SIZE(floor) 56