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[thirdparty/glibc.git] / sysdeps / powerpc / powerpc64 / fpu / multiarch / s_isnanf.c

/* Multiple versions of isnan.
   Copyright (C) 2013-2014 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
   <http://www.gnu.org/licenses/>.  */

#include <math.h>
#include "init-arch.h"

/* The double-precision implementation also works for the single one.  */
extern __typeof (__isnanf) __isnan_ppc64 attribute_hidden;
extern __typeof (__isnanf) __isnan_power5 attribute_hidden;
extern __typeof (__isnanf) __isnan_power6 attribute_hidden;
extern __typeof (__isnanf) __isnan_power6x attribute_hidden;
extern __typeof (__isnanf) __isnan_power7 attribute_hidden;

libc_ifunc (__isnanf,
	    (hwcap & PPC_FEATURE_ARCH_2_06)
	    ? __isnan_power7 :
	      (hwcap & PPC_FEATURE_POWER6_EXT)
		? __isnan_power6x :
		(hwcap & PPC_FEATURE_ARCH_2_05)
		  ? __isnan_power6 :
		  (hwcap & PPC_FEATURE_POWER5)
		    ? __isnan_power5
            : __isnan_ppc64);

weak_alias (__isnanf, isnanf)