125c28e83SPiotr Jasiukajtis/* 225c28e83SPiotr Jasiukajtis * CDDL HEADER START 325c28e83SPiotr Jasiukajtis * 425c28e83SPiotr Jasiukajtis * The contents of this file are subject to the terms of the 525c28e83SPiotr Jasiukajtis * Common Development and Distribution License (the "License"). 625c28e83SPiotr Jasiukajtis * You may not use this file except in compliance with the License. 725c28e83SPiotr Jasiukajtis * 825c28e83SPiotr Jasiukajtis * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 925c28e83SPiotr Jasiukajtis * or http://www.opensolaris.org/os/licensing. 1025c28e83SPiotr Jasiukajtis * See the License for the specific language governing permissions 1125c28e83SPiotr Jasiukajtis * and limitations under the License. 1225c28e83SPiotr Jasiukajtis * 1325c28e83SPiotr Jasiukajtis * When distributing Covered Code, include this CDDL HEADER in each 1425c28e83SPiotr Jasiukajtis * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1525c28e83SPiotr Jasiukajtis * If applicable, add the following below this CDDL HEADER, with the 1625c28e83SPiotr Jasiukajtis * fields enclosed by brackets "[]" replaced with your own identifying 1725c28e83SPiotr Jasiukajtis * information: Portions Copyright [yyyy] [name of copyright owner] 1825c28e83SPiotr Jasiukajtis * 1925c28e83SPiotr Jasiukajtis * CDDL HEADER END 2025c28e83SPiotr Jasiukajtis */ 2125c28e83SPiotr Jasiukajtis/* 2225c28e83SPiotr Jasiukajtis * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 2325c28e83SPiotr Jasiukajtis */ 2425c28e83SPiotr Jasiukajtis/* 2525c28e83SPiotr Jasiukajtis * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 2625c28e83SPiotr Jasiukajtis * Use is subject to license terms. 2725c28e83SPiotr Jasiukajtis */ 2825c28e83SPiotr Jasiukajtis 2925c28e83SPiotr Jasiukajtis .file "copysignf.s" 3025c28e83SPiotr Jasiukajtis 3125c28e83SPiotr Jasiukajtis#include "libm.h" 3225c28e83SPiotr JasiukajtisLIBM_ANSI_PRAGMA_WEAK(copysignf,function) 3325c28e83SPiotr Jasiukajtis 3425c28e83SPiotr Jasiukajtis ENTRY(copysignf) 3525c28e83SPiotr Jasiukajtis movl 4(%esp),%eax / eax <-- x 3625c28e83SPiotr Jasiukajtis movl 8(%esp),%ecx / ecx <-- y 3725c28e83SPiotr Jasiukajtis andl $0x7fffffff,%eax / eax <-- abs(x) 3825c28e83SPiotr Jasiukajtis andl $0x80000000,%ecx / ecx[31] <-- sign_bit(y) 3925c28e83SPiotr Jasiukajtis orl %ecx,%eax / eax <-- copysign(x,y) 4025c28e83SPiotr Jasiukajtis subl $4,%esp / set up loading dock for result 4125c28e83SPiotr Jasiukajtis movl %eax,(%esp) / copy result to loading dock 4225c28e83SPiotr Jasiukajtis flds (%esp) / load copysign(x,y) 4325c28e83SPiotr Jasiukajtis fwait / in case fldl causes exception 4425c28e83SPiotr Jasiukajtis addl $4,%esp / restore stack-pointer for return 4525c28e83SPiotr Jasiukajtis ret 4625c28e83SPiotr Jasiukajtis .align 4 4725c28e83SPiotr Jasiukajtis SET_SIZE(copysignf) 48