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 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29         .file "hypotf.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(hypotf,function)
  33 #include "libm_synonyms.h"
  34 #include "libm_protos.h"
  35 
  36 #undef fabs
  37 
  38         ENTRY(hypotf)
  39         movl    4(%esp),%eax            / eax <-- x
  40         andl    $0x7fffffff,%eax        / eax <-- |x|
  41         jz      .return_abs_y           / if x = +/-0, return |y|
  42         subl    $0x7f800000,%eax        / eax <-- |x| - INF
  43         jz      .return_abs_x           / if x = +/-INF, return |x|
  44         movl    8(%esp),%eax            / eax <-- y
  45         andl    $0x7fffffff,%eax        / eax <-- |y|
  46         jz      .return_abs_x           / if y = +/-0, return |x|
  47         subl    $0x7f800000,%eax        / eax <-- |y| - INF
  48 .return_abs_y:
  49         flds    8(%esp)                 / y
  50         jz      .take_abs               / if y = +/-INF, return |y|
  51         fmul    %st(0),%st              / y*y
  52         flds    4(%esp)                 / x,y*y
  53         fmul    %st(0),%st              / x*x,y*y

  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 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29         .file "hypotf.s"
  30 
  31 #include "libm.h"
  32 LIBM_ANSI_PRAGMA_WEAK(hypotf,function)

  33 #include "libm_protos.h"
  34 
  35 #undef fabs
  36 
  37         ENTRY(hypotf)
  38         movl    4(%esp),%eax            / eax <-- x
  39         andl    $0x7fffffff,%eax        / eax <-- |x|
  40         jz      .return_abs_y           / if x = +/-0, return |y|
  41         subl    $0x7f800000,%eax        / eax <-- |x| - INF
  42         jz      .return_abs_x           / if x = +/-INF, return |x|
  43         movl    8(%esp),%eax            / eax <-- y
  44         andl    $0x7fffffff,%eax        / eax <-- |y|
  45         jz      .return_abs_x           / if y = +/-0, return |x|
  46         subl    $0x7f800000,%eax        / eax <-- |y| - INF
  47 .return_abs_y:
  48         flds    8(%esp)                 / y
  49         jz      .take_abs               / if y = +/-INF, return |y|
  50         fmul    %st(0),%st              / y*y
  51         flds    4(%esp)                 / x,y*y
  52         fmul    %st(0),%st              / x*x,y*y