usr/src/lib/libm/i386/src/sin.s

   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 "sin.s"
  30
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(sin,function)
  33 #include "libm_protos.h"
  34
  35         ENTRY(sin)
  36         PIC_SETUP(1)
  37         call    PIC_F(__reduction)
  38         PIC_WRAPUP
  39         cmpl    $1,%eax
  40         jl      .sin0
  41         je      .sin1
  42         cmpl    $2,%eax
  43         je      .sin2
  44         fcos
  45         fchs
  46         ret
  47 .sin2:
  48         fsin
  49         fchs
  50         ret
  51 .sin1:
  52         fcos
  53         ret
  54 .sin0:
  55         fsin
  56         ret
  57         .align  4
  58         SET_SIZE(sin)