Blame sysdeps/s390/memcpy.c

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/* Multiple versions of memcpy.
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   Copyright (C) 2015-2018 Free Software Foundation, Inc.
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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 <ifunc-memcpy.h>
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#if HAVE_MEMCPY_IFUNC
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# define memcpy __redirect_memcpy
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# include <string.h>
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# undef memcpy
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# include <ifunc-resolve.h>
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# if HAVE_MEMCPY_Z900_G5
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extern __typeof (__redirect_memcpy) MEMCPY_Z900_G5 attribute_hidden;
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# endif
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# if HAVE_MEMCPY_Z10
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extern __typeof (__redirect_memcpy) MEMCPY_Z10 attribute_hidden;
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# endif
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# if HAVE_MEMCPY_Z196
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extern __typeof (__redirect_memcpy) MEMCPY_Z196 attribute_hidden;
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# endif
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s390_libc_ifunc_expr (__redirect_memcpy, memcpy,
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		      ({
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			s390_libc_ifunc_expr_stfle_init ();
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			(HAVE_MEMCPY_Z196 && S390_IS_Z196 (stfle_bits))
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			  ? MEMCPY_Z196
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			  : (HAVE_MEMCPY_Z10 && S390_IS_Z10 (stfle_bits))
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			  ? MEMCPY_Z10
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			  : MEMCPY_DEFAULT;
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		      })
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		      )
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#endif