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 "remquo.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(remquo,function)
  33 #include "libm_synonyms.h"
  34 #include "libm_protos.h"
  35 
  36         ENTRY(remquo)
  37         fldl    12(%esp)                / load arg y
  38         fldl    4(%esp)                 / load arg x
  39 .Lrem_loop:
  40         fprem1                          / partial remainder
  41         fstsw   %ax                     / store status word
  42         andw    $0x400,%ax              / check whether reduction complete
  43         jne     .Lrem_loop              / while reduction incomplete, do fprem1
  44         fstsw   %ax
  45         fwait
  46         fstp    %st(1)
  47         movw    %ax,%dx
  48         andw    $0x4000,%dx             / get C3
  49         sarw    $13,%dx
  50         movw    %ax,%cx
  51         andw    $0x100,%cx              / get C0
  52         sarw    $6,%cx
  53         addw    %cx,%dx

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

  33 #include "libm_protos.h"
  34 
  35         ENTRY(remquo)
  36         fldl    12(%esp)                / load arg y
  37         fldl    4(%esp)                 / load arg x
  38 .Lrem_loop:
  39         fprem1                          / partial remainder
  40         fstsw   %ax                     / store status word
  41         andw    $0x400,%ax              / check whether reduction complete
  42         jne     .Lrem_loop              / while reduction incomplete, do fprem1
  43         fstsw   %ax
  44         fwait
  45         fstp    %st(1)
  46         movw    %ax,%dx
  47         andw    $0x4000,%dx             / get C3
  48         sarw    $13,%dx
  49         movw    %ax,%cx
  50         andw    $0x100,%cx              / get C0
  51         sarw    $6,%cx
  52         addw    %cx,%dx