/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ .file "copysignf.s" #include "libm.h" LIBM_ANSI_PRAGMA_WEAK(copysignf,function) ENTRY(copysignf) movl 4(%esp),%eax / eax <-- x movl 8(%esp),%ecx / ecx <-- y andl $0x7fffffff,%eax / eax <-- abs(x) andl $0x80000000,%ecx / ecx[31] <-- sign_bit(y) orl %ecx,%eax / eax <-- copysign(x,y) subl $4,%esp / set up loading dock for result movl %eax,(%esp) / copy result to loading dock flds (%esp) / load copysign(x,y) fwait / in case fldl causes exception addl $4,%esp / restore stack-pointer for return ret .align 4 SET_SIZE(copysignf)