Current File : //glibc-2.29/sysdeps/ia64/fpu/s_isnan.S
/* Test for NaN
Copyright (C) 2000-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jes Sorensen <jes@linuxcare.com>, October 2000.
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/>. */
/*
* isnan(x) returns 1 is x is nan, else 0;
*/
#include <sysdep.h>
#undef ret
ENTRY (__isnan)
{
.mfi
fclass.m p6, p7 = farg0, @nat | @qnan | @snan
;;
}
{
.mib
(p6) mov ret0 = 1
(p7) mov ret0 = 0
br.ret.sptk.many rp
}
END (__isnan)
strong_alias (__isnan, __isnanf)
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnan)
weak_alias (__isnanf, isnanf)
weak_alias (__isnanl, isnanl)
hidden_def (__isnan)
hidden_def (__isnanf)
hidden_def (__isnanl)
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