mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-03 02:11:08 +00:00
0f6278a879
Rename IS_ARES to IS_NEOVERSE_N1 since that is a bit clearer. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* Multiple versions of memcpy. AARCH64 version.
|
|
Copyright (C) 2017-2020 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
/* Define multiple versions only for the definition in libc. */
|
|
|
|
#if IS_IN (libc)
|
|
/* Redefine memcpy so that the compiler won't complain about the type
|
|
mismatch with the IFUNC selector in strong_alias, below. */
|
|
# undef memcpy
|
|
# define memcpy __redirect_memcpy
|
|
# include <string.h>
|
|
# include <init-arch.h>
|
|
|
|
extern __typeof (__redirect_memcpy) __libc_memcpy;
|
|
|
|
extern __typeof (__redirect_memcpy) __memcpy_generic attribute_hidden;
|
|
extern __typeof (__redirect_memcpy) __memcpy_simd attribute_hidden;
|
|
extern __typeof (__redirect_memcpy) __memcpy_thunderx attribute_hidden;
|
|
extern __typeof (__redirect_memcpy) __memcpy_thunderx2 attribute_hidden;
|
|
extern __typeof (__redirect_memcpy) __memcpy_falkor attribute_hidden;
|
|
|
|
libc_ifunc (__libc_memcpy,
|
|
(IS_THUNDERX (midr)
|
|
? __memcpy_thunderx
|
|
: (IS_FALKOR (midr) || IS_PHECDA (midr) || IS_KUNPENG920 (midr)
|
|
? __memcpy_falkor
|
|
: (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr)
|
|
? __memcpy_thunderx2
|
|
: (IS_NEOVERSE_N1 (midr)
|
|
? __memcpy_simd
|
|
: __memcpy_generic)))));
|
|
|
|
# undef memcpy
|
|
strong_alias (__libc_memcpy, memcpy);
|
|
#endif
|