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 "finitef.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(finitef,function)
  33 #include "libm_synonyms.h"
  34 
  35         ENTRY(finitef)
  36         movl    4(%esp),%eax            / eax <-- x
  37         notl    %eax                    / not(bexp) = 0 iff bexp = all 1's
  38         andl    $0x7f800000,%eax        / ZF <-- 1      iff not(bexp) = 0
  39         jz      .done                   / no jump if arg. is finite
  40         movl    $1,%eax                 / %ax was 0; ansi needs %eax = 1
  41 .done:
  42         ret
  43         .align  4
  44         SET_SIZE(finitef)

  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 "finitef.s"
  30 
  31 #include "libm.h"


  32 
  33         ENTRY(finitef)
  34         movl    4(%esp),%eax            / eax <-- x
  35         notl    %eax                    / not(bexp) = 0 iff bexp = all 1's
  36         andl    $0x7f800000,%eax        / ZF <-- 1      iff not(bexp) = 0
  37         jz      .done                   / no jump if arg. is finite
  38         movl    $1,%eax                 / %ax was 0; ansi needs %eax = 1
  39 .done:
  40         ret
  41         .align  4
  42         SET_SIZE(finitef)