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/* isnan(). sparc32 v9 version.
Copyright (C) 2012-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <math_ldbl_opt.h>
ENTRY (__isnan)
sethi %hi(0x7ff00000), %g1
sllx %o0, 33, %o0
sllx %g1, 32, %g1
srlx %o0, 1, %o0
or %o0, %o1, %o0
sub %g1, %o0, %o0
retl
srlx %o0, 63, %o0
END (__isnan)
hidden_def (__isnan)
weak_alias (__isnan, isnan)
#if !IS_IN (libm)
# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
# endif
#endif
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