arm memcpy: fix the case when src=dst

diff --git a/libc/string/arm/_memcpy.S b/libc/string/arm/_memcpy.S
index 5ef63c4..103580a 100644 (file)
--- a/libc/string/arm/_memcpy.S
+++ b/libc/string/arm/_memcpy.S
@@ -108,8 +108,7 @@ _memcpy:
        cmp     r1, r0
        bcc     .Lmemcpy_backwards
 
-       IT(tt, eq)
-       moveq   r0, #0                  /* Quick abort for len=0 */
+       IT(tt, eq)                      /* Quick abort for src=dst */
 #if defined(__USE_BX__)
         bxeq    lr
 #else