1 files changed, 4 insertions, 3 deletions

diff --git a/src/lib/libcrypto/aes/asm/aes-x86_64.pl b/src/lib/libcrypto/aes/asm/aes-x86_64.pl
index 44e0bf8cae..f616f1751f 100755
--- a/src/lib/libcrypto/aes/asm/aes-x86_64.pl
+++ b/src/lib/libcrypto/aes/asm/aes-x86_64.pl
@@ -1198,19 +1198,20 @@ AES_cbc_encrypt:
         ret
 .align  4
 .Lcbc_enc_tail:
-        cmp     $inp,$out
-        je      .Lcbc_enc_in_place
+        mov     %rax,%r11
+        mov     %rcx,%r12
         mov     %r10,%rcx
         mov     $inp,%rsi
         mov     $out,%rdi
         .long   0xF689A4F3              # rep movsb
-.Lcbc_enc_in_place:
         mov     \$16,%rcx               # zero tail
         sub     %r10,%rcx
         xor     %rax,%rax
         .long   0xF689AAF3              # rep stosb
         mov     $out,$inp               # this is not a mistake!
         movq    \$16,$_len              # len=16
+        mov     %r11,%rax
+        mov     %r12,%rcx
         jmp     .Lcbc_enc_loop          # one more spin...
 #----------------------------- DECRYPT -----------------------------#
 .align  16