1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/s390/memmove.c b/sysdeps/s390/memmove.c
new file mode 100644
index 0000000000..64066ba46b
--- /dev/null
+++ b/sysdeps/s390/memmove.c
@@ -0,0 +1,54 @@
+/* Multiple versions of memmove.
+   Copyright (C) 2016-2019 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/>.  */
+
+#include <ifunc-memcpy.h>
+
+#if HAVE_MEMMOVE_IFUNC
+/* If we don't use ifunc, an alias is defined for memmove
+   in sysdeps/s390/memmove-c.c or sysdeps/s390/memcpy.S
+   depending on the used default implementation.  */
+# undef memmove
+# define memmove __redirect_memmove
+# include <string.h>
+# include <ifunc-resolve.h>
+# undef memmove
+
+# if HAVE_MEMMOVE_C
+extern __typeof (__redirect_memmove) MEMMOVE_C attribute_hidden;
+# endif
+
+# if HAVE_MEMMOVE_Z13
+extern __typeof (__redirect_memmove) MEMMOVE_Z13 attribute_hidden;
+# endif
+
+# if HAVE_MEMMOVE_ARCH13
+extern __typeof (__redirect_memmove) MEMMOVE_ARCH13 attribute_hidden;
+# endif
+
+s390_libc_ifunc_expr (__redirect_memmove, memmove,
+		      ({
+			s390_libc_ifunc_expr_stfle_init ();
+			(HAVE_MEMMOVE_ARCH13
+			 && S390_IS_ARCH13_MIE3 (stfle_bits))
+			  ? MEMMOVE_ARCH13
+			  : (HAVE_MEMMOVE_Z13 && (hwcap & HWCAP_S390_VX))
+			  ? MEMMOVE_Z13
+			  : MEMMOVE_DEFAULT;
+		      })
+		      )
+#endif