diff --git a/include/asm-sh/string.h b/include/asm-sh/string.h
index 55f8db6bc1d7..8c1ea21dc0ae 100644
--- a/include/asm-sh/string.h
+++ b/include/asm-sh/string.h
@@ -1,131 +1,5 @@
-#ifndef __ASM_SH_STRING_H
-#define __ASM_SH_STRING_H
-
-#ifdef __KERNEL__
-
-/*
- * Copyright (C) 1999 Niibe Yutaka
- * But consider these trivial functions to be public domain.
- */
-
-#define __HAVE_ARCH_STRCPY
-static inline char *strcpy(char *__dest, const char *__src)
-{
-	register char *__xdest = __dest;
-	unsigned long __dummy;
-
-	__asm__ __volatile__("1:\n\t"
-			     "mov.b	@%1+, %2\n\t"
-			     "mov.b	%2, @%0\n\t"
-			     "cmp/eq	#0, %2\n\t"
-			     "bf/s	1b\n\t"
-			     " add	#1, %0\n\t"
-			     : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
-			     : "0" (__dest), "1" (__src)
-			     : "memory", "t");
-
-	return __xdest;
-}
-
-#define __HAVE_ARCH_STRNCPY
-static inline char *strncpy(char *__dest, const char *__src, size_t __n)
-{
-	register char *__xdest = __dest;
-	unsigned long __dummy;
-
-	if (__n == 0)
-		return __xdest;
-
-	__asm__ __volatile__(
-		"1:\n"
-		"mov.b	@%1+, %2\n\t"
-		"mov.b	%2, @%0\n\t"
-		"cmp/eq	#0, %2\n\t"
-		"bt/s	2f\n\t"
-		" cmp/eq	%5,%1\n\t"
-		"bf/s	1b\n\t"
-		" add	#1, %0\n"
-		"2:"
-		: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
-		: "0" (__dest), "1" (__src), "r" (__src+__n)
-		: "memory", "t");
-
-	return __xdest;
-}
-
-#define __HAVE_ARCH_STRCMP
-static inline int strcmp(const char *__cs, const char *__ct)
-{
-	register int __res;
-	unsigned long __dummy;
-
-	__asm__ __volatile__(
-		"mov.b	@%1+, %3\n"
-		"1:\n\t"
-		"mov.b	@%0+, %2\n\t"
-		"cmp/eq #0, %3\n\t"
-		"bt	2f\n\t"
-		"cmp/eq %2, %3\n\t"
-		"bt/s	1b\n\t"
-		" mov.b	@%1+, %3\n\t"
-		"add	#-2, %1\n\t"
-		"mov.b	@%1, %3\n\t"
-		"sub	%3, %2\n"
-		"2:"
-		: "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
-		: "0" (__cs), "1" (__ct)
-		: "t");
-
-	return __res;
-}
-
-#define __HAVE_ARCH_STRNCMP
-static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
-{
-	register int __res;
-	unsigned long __dummy;
-
-	if (__n == 0)
-		return 0;
-
-	__asm__ __volatile__(
-		"mov.b	@%1+, %3\n"
-		"1:\n\t"
-		"mov.b	@%0+, %2\n\t"
-		"cmp/eq %6, %0\n\t"
-		"bt/s	2f\n\t"
-		" cmp/eq #0, %3\n\t"
-		"bt/s	3f\n\t"
-		" cmp/eq %3, %2\n\t"
-		"bt/s	1b\n\t"
-		" mov.b	@%1+, %3\n\t"
-		"add	#-2, %1\n\t"
-		"mov.b	@%1, %3\n"
-		"2:\n\t"
-		"sub	%3, %2\n"
-		"3:"
-		:"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
-		: "0" (__cs), "1" (__ct), "r" (__cs+__n)
-		: "t");
-
-	return __res;
-}
-
-#define __HAVE_ARCH_MEMSET
-extern void *memset(void *__s, int __c, size_t __count);
-
-#define __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
-
-#define __HAVE_ARCH_MEMMOVE
-extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
-
-#define __HAVE_ARCH_MEMCHR
-extern void *memchr(const void *__s, int __c, size_t __n);
-
-#define __HAVE_ARCH_STRLEN
-extern size_t strlen(const char *);
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASM_SH_STRING_H */
+#ifdef CONFIG_SUPERH32
+# include "string_32.h"
+#else
+# include "string_64.h"
+#endif
diff --git a/include/asm-sh/string_32.h b/include/asm-sh/string_32.h
new file mode 100644
index 000000000000..55f8db6bc1d7
--- /dev/null
+++ b/include/asm-sh/string_32.h
@@ -0,0 +1,131 @@
+#ifndef __ASM_SH_STRING_H
+#define __ASM_SH_STRING_H
+
+#ifdef __KERNEL__
+
+/*
+ * Copyright (C) 1999 Niibe Yutaka
+ * But consider these trivial functions to be public domain.
+ */
+
+#define __HAVE_ARCH_STRCPY
+static inline char *strcpy(char *__dest, const char *__src)
+{
+	register char *__xdest = __dest;
+	unsigned long __dummy;
+
+	__asm__ __volatile__("1:\n\t"
+			     "mov.b	@%1+, %2\n\t"
+			     "mov.b	%2, @%0\n\t"
+			     "cmp/eq	#0, %2\n\t"
+			     "bf/s	1b\n\t"
+			     " add	#1, %0\n\t"
+			     : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+			     : "0" (__dest), "1" (__src)
+			     : "memory", "t");
+
+	return __xdest;
+}
+
+#define __HAVE_ARCH_STRNCPY
+static inline char *strncpy(char *__dest, const char *__src, size_t __n)
+{
+	register char *__xdest = __dest;
+	unsigned long __dummy;
+
+	if (__n == 0)
+		return __xdest;
+
+	__asm__ __volatile__(
+		"1:\n"
+		"mov.b	@%1+, %2\n\t"
+		"mov.b	%2, @%0\n\t"
+		"cmp/eq	#0, %2\n\t"
+		"bt/s	2f\n\t"
+		" cmp/eq	%5,%1\n\t"
+		"bf/s	1b\n\t"
+		" add	#1, %0\n"
+		"2:"
+		: "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+		: "0" (__dest), "1" (__src), "r" (__src+__n)
+		: "memory", "t");
+
+	return __xdest;
+}
+
+#define __HAVE_ARCH_STRCMP
+static inline int strcmp(const char *__cs, const char *__ct)
+{
+	register int __res;
+	unsigned long __dummy;
+
+	__asm__ __volatile__(
+		"mov.b	@%1+, %3\n"
+		"1:\n\t"
+		"mov.b	@%0+, %2\n\t"
+		"cmp/eq #0, %3\n\t"
+		"bt	2f\n\t"
+		"cmp/eq %2, %3\n\t"
+		"bt/s	1b\n\t"
+		" mov.b	@%1+, %3\n\t"
+		"add	#-2, %1\n\t"
+		"mov.b	@%1, %3\n\t"
+		"sub	%3, %2\n"
+		"2:"
+		: "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+		: "0" (__cs), "1" (__ct)
+		: "t");
+
+	return __res;
+}
+
+#define __HAVE_ARCH_STRNCMP
+static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
+{
+	register int __res;
+	unsigned long __dummy;
+
+	if (__n == 0)
+		return 0;
+
+	__asm__ __volatile__(
+		"mov.b	@%1+, %3\n"
+		"1:\n\t"
+		"mov.b	@%0+, %2\n\t"
+		"cmp/eq %6, %0\n\t"
+		"bt/s	2f\n\t"
+		" cmp/eq #0, %3\n\t"
+		"bt/s	3f\n\t"
+		" cmp/eq %3, %2\n\t"
+		"bt/s	1b\n\t"
+		" mov.b	@%1+, %3\n\t"
+		"add	#-2, %1\n\t"
+		"mov.b	@%1, %3\n"
+		"2:\n\t"
+		"sub	%3, %2\n"
+		"3:"
+		:"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+		: "0" (__cs), "1" (__ct), "r" (__cs+__n)
+		: "t");
+
+	return __res;
+}
+
+#define __HAVE_ARCH_MEMSET
+extern void *memset(void *__s, int __c, size_t __count);
+
+#define __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+
+#define __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
+
+#define __HAVE_ARCH_MEMCHR
+extern void *memchr(const void *__s, int __c, size_t __n);
+
+#define __HAVE_ARCH_STRLEN
+extern size_t strlen(const char *);
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_SH_STRING_H */
diff --git a/include/asm-sh64/string.h b/include/asm-sh/string_64.h
similarity index 100%
rename from include/asm-sh64/string.h
rename to include/asm-sh/string_64.h