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-rw-r--r--sysdeps/i386/i686/multiarch/memrchr.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/memrchr.c b/sysdeps/i386/i686/multiarch/memrchr.c
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+++ b/sysdeps/i386/i686/multiarch/memrchr.c
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+/* Multiple versions of memrchr.
+ All versions must be listed in ifunc-impl-list.c.
+ 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/>. */
+
+/* Define multiple versions only for the definition in libc. */
+#if IS_IN (libc)
+# define memrchr __redirect_memrchr
+# include <string.h>
+# undef memrchr
+
+# define SYMBOL_NAME memrchr
+# include "ifunc-sse2-bsf.h"
+
+libc_ifunc_redirected (__redirect_memrchr, __memrchr, IFUNC_SELECTOR ());
+
+weak_alias (__memrchr, memrchr)
+#endif