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/* Enumerate available IFUNC implementations of a function.  PowerPC32 version.
   Copyright (C) 2013 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 <assert.h>
#include <string.h>
#include <wchar.h>
#include <ldsodefs.h>
#include <ifunc-impl-list.h>

/* Maximum number of IFUNC implementations.  */
#define MAX_IFUNC	5

size_t
__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
			size_t max)
{
  assert (max >= MAX_IFUNC);

  size_t i = 0;

  uint32_t hwcap;

  hwcap = GLRO(dl_hwcap);

#ifdef SHARED
  IFUNC_IMPL (i, name, memcpy,
	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX,
			      __memcpy_power7)
	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06,
			      __memcpy_a2)
	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_05,
			      __memcpy_power6)
	      IFUNC_IMPL_ADD (array, i, memcpy,
			      hwcap & (PPC_FEATURE_CELL_BE >> 16),
			      __memcpy_cell)
	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc32))
#endif

  return i;
}