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/* Compute positive difference.
Copyright (C) 1997-2015 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
.text
ENTRY(__fdim)
fldl 4(%esp) // x
fldl 12(%esp) // x : y
fucomi %st(1), %st
jp 1f
jc 3f
fstp %st(1)
fldz
jmp 2f
3: fsubrp %st, %st(1)
ret
1: fucomi %st(0), %st
fcmovnu %st(1), %st
2: fstp %st(1)
ret
END(__fdim)
weak_alias (__fdim, fdim)
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