1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/mempcpy.c b/sysdeps/i386/i686/multiarch/mempcpy.c
new file mode 100644
index 0000000000..6cbdad1f83
--- /dev/null
+++ b/sysdeps/i386/i686/multiarch/mempcpy.c
@@ -0,0 +1,40 @@
+#include <stddef.h>
+
+void *
+mempcpy (void *dst, const void *src, size_t n)
+{
+  const char *s = src;
+  char *d = dst;
+  void *ret = dst + n;
+  size_t offset_src = ((size_t) s) & (sizeof(size_t) - 1);
+  size_t offset_dst = ((size_t) d) & (sizeof(size_t) - 1);
+
+  if (offset_src != offset_dst)
+  {
+    while (n--)
+      *d++ = *s++;
+  }
+  else
+  {
+	 if (offset_src) offset_src = sizeof(size_t) - offset_src;
+    while (n-- && offset_src--)
+      *d++ = *s++;
+    n++;
+    if (!n) return ret;
+    void **d1 = (void **)d;
+    void **s1 = (void **)s;
+    while (n >= sizeof(void *))
+    {
+      n -= sizeof(void *);
+      *d1++ = *s1++;
+    }
+    s = (char *)s1;
+    d = (char *)d1;
+    while (n--)
+      *d++ = *s++;
+  }
+  return ret;
+}
+
+weak_alias (mempcpy, __GI_mempcpy)
+weak_alias (mempcpy, __mempcpy)