diff --git a/ChangeLog b/ChangeLog
index 8fb29da25a..6069c23606 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,42 @@
+2016-10-07  Stefan Liebler  <stli@linux.vnet.ibm.com>
+
+	[BZ #20478]
+	* sysdeps/s390/multiarch/ifunc-resolve.h
+	(s390_vx_libc_ifunc2, s390_libc_ifunc): Use __ifunc from libc-symbols.h
+	to create ifunc symbols.
+	(s390_vx_libc_ifunc_init, s390_vx_libc_ifunc_redirected
+	, s390_vx_libc_ifunc2_redirected, s390_libc_ifunc_init): New define.
+	* sysdeps/s390/multiarch/memchr.c: Redirect ifunced function in header
+	for using it as type for ifunc function.
+	* sysdeps/s390/multiarch/mempcpy.c: Likewise.
+	* sysdeps/s390/multiarch/rawmemchr.c: Likewise.
+	* sysdeps/s390/multiarch/stpcpy.c: Likewise.
+	* sysdeps/s390/multiarch/stpncpy.c: Likewise.
+	* sysdeps/s390/multiarch/strcat.c: Likewise.
+	* sysdeps/s390/multiarch/strchr.c: Likewise.
+	* sysdeps/s390/multiarch/strcmp.c: Likewise.
+	* sysdeps/s390/multiarch/strcpy.c: Likewise.
+	* sysdeps/s390/multiarch/strcspn.c: Likewise.
+	* sysdeps/s390/multiarch/strlen.c: Likewise.
+	* sysdeps/s390/multiarch/strncmp.c: Likewise.
+	* sysdeps/s390/multiarch/strncpy.c: Likewise.
+	* sysdeps/s390/multiarch/strnlen.c: Likewise.
+	* sysdeps/s390/multiarch/strpbrk.c: Likewise.
+	* sysdeps/s390/multiarch/strrchr.c: Likewise.
+	* sysdeps/s390/multiarch/strspn.c: Likewise.
+	* sysdeps/s390/multiarch/wcschr.c: Likewise.
+	* sysdeps/s390/multiarch/wcscmp.c: Likewise.
+	* sysdeps/s390/multiarch/wcspbrk.c: Likewise.
+	* sysdeps/s390/multiarch/wcsspn.c: Likewise.
+	* sysdeps/s390/multiarch/wmemchr.c: Likewise.
+	* sysdeps/s390/multiarch/wmemset.c: Likewise.
+	* sysdeps/s390/s390-32/multiarch/memcmp.c: Likewise.
+	* sysdeps/s390/s390-32/multiarch/memcpy.c: Likewise.
+	* sysdeps/s390/s390-32/multiarch/memset.c: Likewise.
+	* sysdeps/s390/s390-64/multiarch/memcmp.c: Likewise.
+	* sysdeps/s390/s390-64/multiarch/memcpy.c: Likewise.
+	* sysdeps/s390/s390-64/multiarch/memset.c: Likewise.
+
 2016-10-07  Stefan Liebler  <stli@linux.vnet.ibm.com>
 
 	* include/libc-symbols.h (__ifunc_resolver):
diff --git a/sysdeps/s390/multiarch/ifunc-resolve.h b/sysdeps/s390/multiarch/ifunc-resolve.h
index 26e097ad6e..768829b39b 100644
--- a/sysdeps/s390/multiarch/ifunc-resolve.h
+++ b/sysdeps/s390/multiarch/ifunc-resolve.h
@@ -40,53 +40,46 @@
 		       ".machine pop"         "\n"			\
 		       : "=QS" (STFLE_BITS), "+d" (reg0)		\
 		       : : "cc");
+#define s390_libc_ifunc_init()						\
+  unsigned long long stfle_bits = 0ULL;					\
+  if (__glibc_likely((dl_hwcap & HWCAP_S390_STFLE)			\
+		     && (dl_hwcap & HWCAP_S390_ZARCH)			\
+		     && (dl_hwcap & HWCAP_S390_HIGH_GPRS)))		\
+    {									\
+      S390_STORE_STFLE (stfle_bits);					\
+    }
 
-#define s390_libc_ifunc(FUNC)						\
-  __asm__ (".globl " #FUNC "\n\t"					\
-	   ".type  " #FUNC ",@gnu_indirect_function\n\t"		\
-	   ".set   " #FUNC ",__resolve_" #FUNC "\n\t");			\
-									\
+#define s390_libc_ifunc(TYPE_FUNC, RESOLVERFUNC, FUNC)			\
   /* Make the declarations of the optimized functions hidden in order
      to prevent GOT slots being generated for them. */			\
-  extern void *__##FUNC##_z196 attribute_hidden;			\
-  extern void *__##FUNC##_z10 attribute_hidden;				\
-  extern void *__##FUNC##_default attribute_hidden;			\
-									\
-  void *__resolve_##FUNC (unsigned long int dl_hwcap)			\
-  {									\
-    if ((dl_hwcap & HWCAP_S390_STFLE)					\
-	&& (dl_hwcap & HWCAP_S390_ZARCH)				\
-	&& (dl_hwcap & HWCAP_S390_HIGH_GPRS))				\
-      {									\
-	unsigned long long stfle_bits;					\
-	S390_STORE_STFLE (stfle_bits);					\
-									\
-	if (S390_IS_Z196 (stfle_bits))					\
-	  return &__##FUNC##_z196;					\
-	else if (S390_IS_Z10 (stfle_bits))				\
-	  return &__##FUNC##_z10;					\
-	else								\
-	  return &__##FUNC##_default;					\
-      }									\
-    else								\
-      return &__##FUNC##_default;					\
-  }
+  extern __typeof (TYPE_FUNC) RESOLVERFUNC##_z196 attribute_hidden;	\
+  extern __typeof (TYPE_FUNC) RESOLVERFUNC##_z10 attribute_hidden;      \
+  extern __typeof (TYPE_FUNC) RESOLVERFUNC##_default attribute_hidden;  \
+  __ifunc (TYPE_FUNC, FUNC,						\
+	   __glibc_likely (S390_IS_Z196 (stfle_bits))			\
+	   ? RESOLVERFUNC##_z196					\
+	   : __glibc_likely (S390_IS_Z10 (stfle_bits))			\
+	     ? RESOLVERFUNC##_z10					\
+	     : RESOLVERFUNC##_default,					\
+	   unsigned long int dl_hwcap, s390_libc_ifunc_init);
 
 #define s390_vx_libc_ifunc(FUNC)		\
-  s390_vx_libc_ifunc2(FUNC, FUNC)
+  s390_vx_libc_ifunc2_redirected(FUNC, FUNC, FUNC)
 
-#define s390_vx_libc_ifunc2(RESOLVERFUNC, FUNC)				\
+#define s390_vx_libc_ifunc_redirected(TYPE_FUNC, FUNC)	\
+  s390_vx_libc_ifunc2_redirected(TYPE_FUNC, FUNC, FUNC)
+
+#define s390_vx_libc_ifunc2(RESOLVERFUNC, FUNC)	\
+  s390_vx_libc_ifunc2_redirected(FUNC, RESOLVERFUNC, FUNC)
+
+#define s390_vx_libc_ifunc_init()
+#define s390_vx_libc_ifunc2_redirected(TYPE_FUNC, RESOLVERFUNC, FUNC)	\
   /* Make the declarations of the optimized functions hidden in order
      to prevent GOT slots being generated for them.  */			\
-  extern __typeof (FUNC) RESOLVERFUNC##_vx attribute_hidden;		\
-  extern __typeof (FUNC) RESOLVERFUNC##_c attribute_hidden;		\
-  extern void *__resolve_##RESOLVERFUNC (unsigned long int) __asm__ (#FUNC); \
-									\
-  void *__resolve_##RESOLVERFUNC (unsigned long int dl_hwcap)		\
-  {									\
-    if (dl_hwcap & HWCAP_S390_VX)					\
-      return &RESOLVERFUNC##_vx;					\
-    else								\
-      return &RESOLVERFUNC##_c;						\
-  }									\
- __asm__ (".type " #FUNC ", %gnu_indirect_function");
+  extern __typeof (TYPE_FUNC) RESOLVERFUNC##_vx attribute_hidden;	\
+  extern __typeof (TYPE_FUNC) RESOLVERFUNC##_c attribute_hidden;	\
+  __ifunc (TYPE_FUNC, FUNC,						\
+	   (dl_hwcap & HWCAP_S390_VX)					\
+	   ? RESOLVERFUNC##_vx						\
+	   : RESOLVERFUNC##_c,						\
+	   unsigned long int dl_hwcap, s390_vx_libc_ifunc_init);
diff --git a/sysdeps/s390/multiarch/memchr.c b/sysdeps/s390/multiarch/memchr.c
index f80de1cc1f..891ec7aa56 100644
--- a/sysdeps/s390/multiarch/memchr.c
+++ b/sysdeps/s390/multiarch/memchr.c
@@ -17,8 +17,11 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define memchr __redirect_memchr
 # include <string.h>
+# undef memchr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__memchr, memchr)
+s390_vx_libc_ifunc2_redirected (__redirect_memchr, __memchr, memchr)
+
 #endif
diff --git a/sysdeps/s390/multiarch/mempcpy.c b/sysdeps/s390/multiarch/mempcpy.c
index 34d8329ba8..bee3ee47bb 100644
--- a/sysdeps/s390/multiarch/mempcpy.c
+++ b/sysdeps/s390/multiarch/mempcpy.c
@@ -18,9 +18,15 @@
 
 
 #if defined SHARED && IS_IN (libc)
+# define mempcpy __redirect_mempcpy
+# define __mempcpy __redirect___mempcpy
+/* Omit the mempcpy inline definitions because it would redefine mempcpy.  */
+# define _HAVE_STRING_ARCH_mempcpy 1
+# include <string.h>
+# undef mempcpy
+# undef __mempcpy
 # include <ifunc-resolve.h>
-s390_libc_ifunc (__mempcpy)
 
-__asm__ (".weak mempcpy\n\t"
-	 ".set mempcpy,__mempcpy\n\t");
+s390_libc_ifunc (__redirect___mempcpy, ____mempcpy, __mempcpy)
+weak_alias (__mempcpy, mempcpy);
 #endif
diff --git a/sysdeps/s390/multiarch/rawmemchr.c b/sysdeps/s390/multiarch/rawmemchr.c
index 7186ccd9d4..c4afa24004 100644
--- a/sysdeps/s390/multiarch/rawmemchr.c
+++ b/sysdeps/s390/multiarch/rawmemchr.c
@@ -17,10 +17,13 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define __rawmemchr __redirect___rawmemchr
 # include <string.h>
+# undef __rawmemchr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__rawmemchr)
+s390_vx_libc_ifunc2_redirected (__redirect___rawmemchr, __rawmemchr
+				, __rawmemchr)
 weak_alias (__rawmemchr, rawmemchr)
 
 #else
diff --git a/sysdeps/s390/multiarch/stpcpy.c b/sysdeps/s390/multiarch/stpcpy.c
index dcde01278b..cea6c0793f 100644
--- a/sysdeps/s390/multiarch/stpcpy.c
+++ b/sysdeps/s390/multiarch/stpcpy.c
@@ -17,13 +17,18 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define stpcpy __redirect_stpcpy
+# define __stpcpy __redirect___stpcpy
+/* Omit the stpcpy inline definitions because it would redefine stpcpy.  */
+# define __NO_STRING_INLINES
 # define NO_MEMPCPY_STPCPY_REDIRECT
 # include <string.h>
+# undef stpcpy
+# undef __stpcpy
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__stpcpy)
+s390_vx_libc_ifunc_redirected (__redirect___stpcpy, __stpcpy);
 weak_alias (__stpcpy, stpcpy)
-libc_hidden_builtin_def (stpcpy)
 
 #else
 # include <string/stpcpy.c>
diff --git a/sysdeps/s390/multiarch/stpncpy.c b/sysdeps/s390/multiarch/stpncpy.c
index f5335b42ac..cbbe8ba4fe 100644
--- a/sysdeps/s390/multiarch/stpncpy.c
+++ b/sysdeps/s390/multiarch/stpncpy.c
@@ -17,10 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define stpncpy __redirect_stpncpy
+# define __stpncpy __redirect___stpncpy
 # include <string.h>
+# undef stpncpy
+# undef __stpncpy
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__stpncpy)
+s390_vx_libc_ifunc_redirected (__redirect___stpncpy, __stpncpy)
 weak_alias (__stpncpy, stpncpy)
 
 #else
diff --git a/sysdeps/s390/multiarch/strcat.c b/sysdeps/s390/multiarch/strcat.c
index c3b5e1c9d6..0c74c91954 100644
--- a/sysdeps/s390/multiarch/strcat.c
+++ b/sysdeps/s390/multiarch/strcat.c
@@ -17,10 +17,12 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strcat __redirect_strcat
 # include <string.h>
+# undef strcat
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strcat, strcat)
+s390_vx_libc_ifunc2_redirected (__redirect_strcat, __strcat, strcat)
 
 #else
 # include <string/strcat.c>
diff --git a/sysdeps/s390/multiarch/strchr.c b/sysdeps/s390/multiarch/strchr.c
index 3c8c7e4600..3b378b9320 100644
--- a/sysdeps/s390/multiarch/strchr.c
+++ b/sysdeps/s390/multiarch/strchr.c
@@ -17,10 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strchr __redirect_strchr
+/* Omit the strchr inline definitions because it would redefine strchr.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strchr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strchr, strchr)
+s390_vx_libc_ifunc2_redirected (__redirect_strchr, __strchr, strchr)
 weak_alias (strchr, index)
 
 #else
diff --git a/sysdeps/s390/multiarch/strcmp.c b/sysdeps/s390/multiarch/strcmp.c
index c4ccd34420..faeaaa54a6 100644
--- a/sysdeps/s390/multiarch/strcmp.c
+++ b/sysdeps/s390/multiarch/strcmp.c
@@ -17,10 +17,13 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strcmp __redirect_strcmp
+/* Omit the strcmp inline definitions because it would redefine strcmp.  */
+# define __NO_STRING_INLINES
 # include <string.h>
 # include <ifunc-resolve.h>
-
-
 # undef strcmp
-s390_vx_libc_ifunc2 (__strcmp, strcmp)
+
+s390_vx_libc_ifunc2_redirected (__redirect_strcmp, __strcmp, strcmp)
+
 #endif
diff --git a/sysdeps/s390/multiarch/strcpy.c b/sysdeps/s390/multiarch/strcpy.c
index f348199112..9053b12963 100644
--- a/sysdeps/s390/multiarch/strcpy.c
+++ b/sysdeps/s390/multiarch/strcpy.c
@@ -17,8 +17,11 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strcpy __redirect_strcpy
 # include <string.h>
+# undef strcpy
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strcpy, strcpy)
+s390_vx_libc_ifunc2_redirected (__redirect_strcpy, __strcpy, strcpy)
+
 #endif
diff --git a/sysdeps/s390/multiarch/strcspn.c b/sysdeps/s390/multiarch/strcspn.c
index c23452a791..d1fe33b91f 100644
--- a/sysdeps/s390/multiarch/strcspn.c
+++ b/sysdeps/s390/multiarch/strcspn.c
@@ -17,10 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strcspn __redirect_strcspn
+/* Omit the strcspn inline definitions because it would redefine strcspn.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strcspn
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strcspn, strcspn)
+s390_vx_libc_ifunc2_redirected (__redirect_strcspn, __strcspn, strcspn)
 
 #else
 # include <string/strcspn.c>
diff --git a/sysdeps/s390/multiarch/strlen.c b/sysdeps/s390/multiarch/strlen.c
index 098d4e1e58..8329f2bec6 100644
--- a/sysdeps/s390/multiarch/strlen.c
+++ b/sysdeps/s390/multiarch/strlen.c
@@ -17,10 +17,12 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strlen __redirect_strlen
 # include <string.h>
 # include <ifunc-resolve.h>
+# undef strlen
 
-s390_vx_libc_ifunc2 (__strlen, strlen)
+s390_vx_libc_ifunc2_redirected (__redirect_strlen, __strlen, strlen)
 
 #else
 # include <string/strlen.c>
diff --git a/sysdeps/s390/multiarch/strncmp.c b/sysdeps/s390/multiarch/strncmp.c
index 9a72c79bfd..2bdf4bf8de 100644
--- a/sysdeps/s390/multiarch/strncmp.c
+++ b/sysdeps/s390/multiarch/strncmp.c
@@ -17,13 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strncmp __redirect_strncmp
+/* Omit the strncmp inline definitions because it would redefine strncmp.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strncmp
 # include <ifunc-resolve.h>
 
-
-# undef strcmp
-extern __typeof (strncmp) __strncmp;
-s390_vx_libc_ifunc2 (__strncmp, strncmp)
+s390_vx_libc_ifunc2_redirected (__redirect_strncmp, __strncmp, strncmp)
 
 #else
 # include <string/strncmp.c>
diff --git a/sysdeps/s390/multiarch/strncpy.c b/sysdeps/s390/multiarch/strncpy.c
index 1464551875..c4d13a98a9 100644
--- a/sysdeps/s390/multiarch/strncpy.c
+++ b/sysdeps/s390/multiarch/strncpy.c
@@ -17,8 +17,13 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strncpy __redirect_strncpy
+/* Omit the strncpy inline definitions because it would redefine strncpy.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strncpy
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strncpy, strncpy)
+s390_vx_libc_ifunc2_redirected (__redirect_strncpy, __strncpy, strncpy);
+
 #endif
diff --git a/sysdeps/s390/multiarch/strnlen.c b/sysdeps/s390/multiarch/strnlen.c
index 48c3bb73e6..ecb69ebad3 100644
--- a/sysdeps/s390/multiarch/strnlen.c
+++ b/sysdeps/s390/multiarch/strnlen.c
@@ -17,12 +17,15 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strnlen __redirect_strnlen
+# define __strnlen __redirect___strnlen
 # include <string.h>
+# undef strnlen
+# undef __strnlen
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__strnlen)
+s390_vx_libc_ifunc_redirected (__redirect___strnlen, __strnlen)
 weak_alias (__strnlen, strnlen)
-libc_hidden_def (strnlen)
 
 #else
 # include <string/strnlen.c>
diff --git a/sysdeps/s390/multiarch/strpbrk.c b/sysdeps/s390/multiarch/strpbrk.c
index cdc139929f..09c3fffdf1 100644
--- a/sysdeps/s390/multiarch/strpbrk.c
+++ b/sysdeps/s390/multiarch/strpbrk.c
@@ -17,10 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strpbrk __redirect_strpbrk
+/* Omit the strpbrk inline definitions because it would redefine strpbrk.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strpbrk
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strpbrk, strpbrk)
+s390_vx_libc_ifunc2_redirected (__redirect_strpbrk, __strpbrk, strpbrk)
 
 #else
 # include <string/strpbrk.c>
diff --git a/sysdeps/s390/multiarch/strrchr.c b/sysdeps/s390/multiarch/strrchr.c
index e515d6b6e6..2da8581708 100644
--- a/sysdeps/s390/multiarch/strrchr.c
+++ b/sysdeps/s390/multiarch/strrchr.c
@@ -17,11 +17,13 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strrchr __redirect_strrchr
 # include <string.h>
+# undef strrchr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strrchr, strrchr)
-weak_alias (strrchr, rindex)
+s390_vx_libc_ifunc2_redirected (__redirect_strrchr, __strrchr, strrchr)
+weak_alias (strrchr, rindex);
 
 #else
 # include <string/strrchr.c>
diff --git a/sysdeps/s390/multiarch/strspn.c b/sysdeps/s390/multiarch/strspn.c
index 7c26af8ced..1d9514d463 100644
--- a/sysdeps/s390/multiarch/strspn.c
+++ b/sysdeps/s390/multiarch/strspn.c
@@ -17,10 +17,14 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define strspn __redirect_strspn
+/* Omit the strspn inline definitions because it would redefine strspn.  */
+# define __NO_STRING_INLINES
 # include <string.h>
+# undef strspn
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__strspn, strspn)
+s390_vx_libc_ifunc2_redirected (__redirect_strspn, __strspn, strspn)
 
 #else
 # include <string/strspn.c>
diff --git a/sysdeps/s390/multiarch/wcschr.c b/sysdeps/s390/multiarch/wcschr.c
index fb51097cd6..3e0ff8b6db 100644
--- a/sysdeps/s390/multiarch/wcschr.c
+++ b/sysdeps/s390/multiarch/wcschr.c
@@ -17,12 +17,15 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define wcschr __redirect_wcschr
+# define __wcschr __redirect___wcschr
 # include <wchar.h>
+# undef wcschr
+# undef __wcschr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__wcschr)
+s390_vx_libc_ifunc_redirected (__redirect___wcschr, __wcschr)
 weak_alias (__wcschr, wcschr)
-libc_hidden_weak (wcschr)
 
 #else
 # include <wcsmbs/wcschr.c>
diff --git a/sysdeps/s390/multiarch/wcscmp.c b/sysdeps/s390/multiarch/wcscmp.c
index 705ef4596e..dc29b32a29 100644
--- a/sysdeps/s390/multiarch/wcscmp.c
+++ b/sysdeps/s390/multiarch/wcscmp.c
@@ -17,10 +17,12 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define __wcscmp __redirect___wcscmp
 # include <wchar.h>
+# undef __wcscmp
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__wcscmp)
+s390_vx_libc_ifunc_redirected (__redirect___wcscmp, __wcscmp)
 weak_alias (__wcscmp, wcscmp)
 
 #else
diff --git a/sysdeps/s390/multiarch/wcspbrk.c b/sysdeps/s390/multiarch/wcspbrk.c
index 198144d2c5..9824bd536c 100644
--- a/sysdeps/s390/multiarch/wcspbrk.c
+++ b/sysdeps/s390/multiarch/wcspbrk.c
@@ -17,10 +17,12 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define wcspbrk __redirect_wcspbrk
 # include <wchar.h>
+# undef wcspbrk
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__wcspbrk, wcspbrk)
+s390_vx_libc_ifunc2_redirected (__redirect_wcspbrk, __wcspbrk, wcspbrk)
 
 #else
 # include <wcsmbs/wcspbrk.c>
diff --git a/sysdeps/s390/multiarch/wcsspn.c b/sysdeps/s390/multiarch/wcsspn.c
index 167a881d13..d153d44b2f 100644
--- a/sysdeps/s390/multiarch/wcsspn.c
+++ b/sysdeps/s390/multiarch/wcsspn.c
@@ -17,10 +17,12 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define wcsspn __redirect_wcsspn
 # include <wchar.h>
+# undef wcsspn
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc2 (__wcsspn, wcsspn)
+s390_vx_libc_ifunc2_redirected (__redirect_wcsspn, __wcsspn, wcsspn)
 
 #else
 # include <wcsmbs/wcsspn.c>
diff --git a/sysdeps/s390/multiarch/wmemchr.c b/sysdeps/s390/multiarch/wmemchr.c
index f2bfe3c7a5..45b344182f 100644
--- a/sysdeps/s390/multiarch/wmemchr.c
+++ b/sysdeps/s390/multiarch/wmemchr.c
@@ -17,12 +17,15 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define wmemchr __redirect_wmemchr
+# define __wmemchr __redirect___wmemchr
 # include <wchar.h>
+# undef wmemchr
+# undef __wmemchr
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__wmemchr)
+s390_vx_libc_ifunc_redirected (__redirect___wmemchr, __wmemchr)
 weak_alias (__wmemchr, wmemchr)
-libc_hidden_weak (wmemchr)
 
 #else
 # include <wcsmbs/wmemchr.c>
diff --git a/sysdeps/s390/multiarch/wmemset.c b/sysdeps/s390/multiarch/wmemset.c
index e9e695fc0a..2fc57ee71d 100644
--- a/sysdeps/s390/multiarch/wmemset.c
+++ b/sysdeps/s390/multiarch/wmemset.c
@@ -17,12 +17,15 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
+# define wmemset __redirect_wmemset
+# define __wmemset __redirect___wmemset
 # include <wchar.h>
+# undef wmemset
+# undef __wmemset
 # include <ifunc-resolve.h>
 
-s390_vx_libc_ifunc (__wmemset)
+s390_vx_libc_ifunc_redirected (__redirect___wmemset, __wmemset)
 weak_alias (__wmemset, wmemset)
-libc_hidden_weak (wmemset)
 
 #else
 # include <wcsmbs/wmemset.c>
diff --git a/sysdeps/s390/s390-32/multiarch/memcmp.c b/sysdeps/s390/s390-32/multiarch/memcmp.c
index 44f72dc8ca..453b1706f7 100644
--- a/sysdeps/s390/s390-32/multiarch/memcmp.c
+++ b/sysdeps/s390/s390-32/multiarch/memcmp.c
@@ -17,8 +17,11 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if IS_IN (libc)
+# define memcmp __redirect_memcmp
+# include <string.h>
+# undef memcmp
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memcmp)
-__asm__(".weak bcmp ; bcmp = memcmp");
+s390_libc_ifunc (__redirect_memcmp, __memcmp, memcmp)
+weak_alias (memcmp, bcmp);
 #endif
diff --git a/sysdeps/s390/s390-32/multiarch/memcpy.c b/sysdeps/s390/s390-32/multiarch/memcpy.c
index 2a98aa0b82..33e4bcdca2 100644
--- a/sysdeps/s390/s390-32/multiarch/memcpy.c
+++ b/sysdeps/s390/s390-32/multiarch/memcpy.c
@@ -18,7 +18,10 @@
 
 /* In the static lib memcpy is needed before the reloc is resolved.  */
 #if defined SHARED && IS_IN (libc)
+# define memcpy __redirect_memcpy
+# include <string.h>
+# undef memcpy
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memcpy)
+s390_libc_ifunc (__redirect_memcpy, __memcpy, memcpy)
 #endif
diff --git a/sysdeps/s390/s390-32/multiarch/memset.c b/sysdeps/s390/s390-32/multiarch/memset.c
index 89b8102f2a..84ddedaf04 100644
--- a/sysdeps/s390/s390-32/multiarch/memset.c
+++ b/sysdeps/s390/s390-32/multiarch/memset.c
@@ -17,7 +17,10 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if IS_IN (libc)
+# define memset __redirect_memset
+# include <string.h>
+# undef memset
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memset)
+s390_libc_ifunc (__redirect_memset, __memset, memset)
 #endif
diff --git a/sysdeps/s390/s390-64/multiarch/memcmp.c b/sysdeps/s390/s390-64/multiarch/memcmp.c
index 44f72dc8ca..453b1706f7 100644
--- a/sysdeps/s390/s390-64/multiarch/memcmp.c
+++ b/sysdeps/s390/s390-64/multiarch/memcmp.c
@@ -17,8 +17,11 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if IS_IN (libc)
+# define memcmp __redirect_memcmp
+# include <string.h>
+# undef memcmp
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memcmp)
-__asm__(".weak bcmp ; bcmp = memcmp");
+s390_libc_ifunc (__redirect_memcmp, __memcmp, memcmp)
+weak_alias (memcmp, bcmp);
 #endif
diff --git a/sysdeps/s390/s390-64/multiarch/memcpy.c b/sysdeps/s390/s390-64/multiarch/memcpy.c
index 2a98aa0b82..33e4bcdca2 100644
--- a/sysdeps/s390/s390-64/multiarch/memcpy.c
+++ b/sysdeps/s390/s390-64/multiarch/memcpy.c
@@ -18,7 +18,10 @@
 
 /* In the static lib memcpy is needed before the reloc is resolved.  */
 #if defined SHARED && IS_IN (libc)
+# define memcpy __redirect_memcpy
+# include <string.h>
+# undef memcpy
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memcpy)
+s390_libc_ifunc (__redirect_memcpy, __memcpy, memcpy)
 #endif
diff --git a/sysdeps/s390/s390-64/multiarch/memset.c b/sysdeps/s390/s390-64/multiarch/memset.c
index 89b8102f2a..84ddedaf04 100644
--- a/sysdeps/s390/s390-64/multiarch/memset.c
+++ b/sysdeps/s390/s390-64/multiarch/memset.c
@@ -17,7 +17,10 @@
    <http://www.gnu.org/licenses/>.  */
 
 #if IS_IN (libc)
+# define memset __redirect_memset
+# include <string.h>
+# undef memset
 # include <ifunc-resolve.h>
 
-s390_libc_ifunc (memset)
+s390_libc_ifunc (__redirect_memset, __memset, memset)
 #endif