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/* Compute positive difference.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
.text
ENTRY(__fdimf)
flds 4(%esp) // x
flds 8(%esp) // x : y
fucom %st(1)
fnstsw
sahf
jp 1f
fsubp %st(1), %st
jc 2f
fstp %st(0)
fldz
jmp 2f
1: fxam
fnstsw
andb $0x45, %ah
cmpb $0x01, %ah
je 3f
fxch
3: fstp %st(1)
2: ret
END(__fdimf)
weak_alias (__fdimf, fdimf)
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