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51 lines
1.3 KiB
ArmAsm
51 lines
1.3 KiB
ArmAsm
/* Test for NaN
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Copyright (C) 2000-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jes Sorensen <jes@linuxcare.com>, October 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/*
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* isnan(x) returns 1 is x is nan, else 0;
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*/
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#include <sysdep.h>
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#undef ret
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ENTRY (__isnan)
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{
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.mfi
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fclass.m p6, p7 = farg0, @nat | @qnan | @snan
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;;
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}
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{
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.mib
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(p6) mov ret0 = 1
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(p7) mov ret0 = 0
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br.ret.sptk.many rp
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}
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END (__isnan)
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strong_alias (__isnan, __isnanf)
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strong_alias (__isnan, __isnanl)
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weak_alias (__isnan, isnan)
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weak_alias (__isnanf, isnanf)
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weak_alias (__isnanl, isnanl)
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hidden_def (__isnan)
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hidden_def (__isnanf)
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hidden_def (__isnanl)
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