/* Common definition for ifunc selections optimized with AVX2/FMA and

   FMA4.

   Copyright (C) 2017-2018 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 <init-arch.h>

extern __typeof (REDIRECT_NAME) OPTIMIZE (sse2) attribute_hidden;

extern __typeof (REDIRECT_NAME) OPTIMIZE (fma) attribute_hidden;

extern __typeof (REDIRECT_NAME) OPTIMIZE (fma4) attribute_hidden;

static inline void *

IFUNC_SELECTOR (void)

{

  const struct cpu_features* cpu_features = __get_cpu_features ();

  if (CPU_FEATURE_USABLE_P (cpu_features, FMA)

      && CPU_FEATURE_USABLE_P (cpu_features, AVX2))

    return OPTIMIZE (fma);

  if (CPU_FEATURE_USABLE_P (cpu_features, FMA4))

    return OPTIMIZE (fma4);

  return OPTIMIZE (sse2);

}