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 "acosl.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(acosl,function)
  33 #include "libm_synonyms.h"
  34 
  35 #undef fabs
  36 
  37         ENTRY(acosl)
  38         fldt    4(%esp)                 / push x
  39         fld1                            / push 1
  40         fld     %st(1)                  / x , 1 , x
  41         fabs                            / |x| , 1 , x
  42         fucomp
  43         fstsw   %ax
  44         sahf
  45         ja      9f
  46         fadd    %st(1),%st              / 1+x,x
  47         fldz
  48         fucomp  
  49         fstsw   %ax
  50         sahf
  51         jp      .L1
  52         jne     .L1
  53         / x is -1 
  54         fstp    %st(0)                  / -1
  55         fstp    %st(0)                  / empty NPX stack

  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 "acosl.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(acosl,function)



  33 
  34         ENTRY(acosl)
  35         fldt    4(%esp)                 / push x
  36         fld1                            / push 1
  37         fld     %st(1)                  / x , 1 , x
  38         fabs                            / |x| , 1 , x
  39         fucomp
  40         fstsw   %ax
  41         sahf
  42         ja      9f
  43         fadd    %st(1),%st              / 1+x,x
  44         fldz
  45         fucomp  
  46         fstsw   %ax
  47         sahf
  48         jp      .L1
  49         jne     .L1
  50         / x is -1 
  51         fstp    %st(0)                  / -1
  52         fstp    %st(0)                  / empty NPX stack