usr/src/lib/libm/i386/src/sincos.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 "sincos.s"
  30
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(sincos,function)
  33 #include "libm_protos.h"
  34
  35         ENTRY(sincos)
  36         PIC_SETUP(1)
  37         call    PIC_F(__reduction)
  38         PIC_WRAPUP
  39         fsincos
  40         cmpl    $1,%eax
  41         jl      .sincos0
  42         je      .sincos1
  43         cmpl    $2,%eax
  44         je      .sincos2
  45         / n=3
  46         fchs
  47         movl    12(%esp),%eax
  48         fstpl   0(%eax)
  49         movl    16(%esp),%eax
  50         fstpl   0(%eax)
  51         fwait
  52         ret
  53 .sincos2:
  54         / n=2
  55         fchs
  56         movl    16(%esp),%eax
  57         fstpl   0(%eax)
  58         fchs
  59         movl    12(%esp),%eax
  60         fstpl   0(%eax)
  61         fwait
  62         ret
  63 .sincos1:
  64         / n=1
  65         movl    12(%esp),%eax
  66         fstpl   0(%eax)
  67         fchs
  68         movl    16(%esp),%eax
  69         fstpl   0(%eax)
  70         fwait
  71         ret
  72 .sincos0:
  73         / n=0
  74         movl    16(%esp),%eax
  75         fstpl   0(%eax)
  76         movl    12(%esp),%eax
  77         fstpl   0(%eax)
  78         fwait
  79         ret
  80         .align  4
  81         SET_SIZE(sincos)