1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/s390/memchr.c b/sysdeps/s390/memchr.c
new file mode 100644
index 0000000000..490f1b6600
--- /dev/null
+++ b/sysdeps/s390/memchr.c
@@ -0,0 +1,41 @@
+/* Multiple versions of memchr.
+   Copyright (C) 2015-2018 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 <ifunc-memchr.h>
+
+#if HAVE_MEMCHR_IFUNC
+# define memchr __redirect_memchr
+# include <string.h>
+# undef memchr
+# include <ifunc-resolve.h>
+
+# if HAVE_MEMCHR_Z900_G5
+extern __typeof (__redirect_memchr) MEMCHR_Z900_G5 attribute_hidden;
+# endif
+
+# if HAVE_MEMCHR_Z13
+extern __typeof (__redirect_memchr) MEMCHR_Z13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect_memchr, __memchr,
+		      (HAVE_MEMCHR_Z13 && (hwcap & HWCAP_S390_VX))
+		      ? MEMCHR_Z13
+		      : MEMCHR_DEFAULT
+		      )
+weak_alias (__memchr, memchr)
+#endif