2012-03-02 04:43:38 +00:00
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/* isnan(). sparc32 v9 version.
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2013-01-02 19:01:50 +00:00
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Copyright (C) 2012-2013 Free Software Foundation, Inc.
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2012-03-02 04:43:38 +00:00
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This file is part of the GNU C Library.
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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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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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2012-04-26 09:50:20 +00:00
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#include <math_ldbl_opt.h>
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2012-03-02 04:43:38 +00:00
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ENTRY (__isnan)
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sethi %hi(0x7ff00000), %g1
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sllx %o0, 33, %o0
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sllx %g1, 32, %g1
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srlx %o0, 1, %o0
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or %o0, %o1, %o0
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sub %g1, %o0, %o0
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retl
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srlx %o0, 63, %o0
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END (__isnan)
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hidden_def (__isnan)
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weak_alias (__isnan, isnan)
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2012-04-26 09:50:20 +00:00
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#ifndef IS_IN_libm
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# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
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compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
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compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
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# endif
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#endif
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