Backport aes-x86_64.pl update from HEAD.

diff --git a/crypto/aes/asm/aes-x86_64.pl b/crypto/aes/asm/aes-x86_64.pl
index 6711b63f7f57aefc5e210dd60465c7324d40b5fd..f616f1751f7e773131a8b8bacc0fd2586d241882 100755 (executable)
--- a/crypto/aes/asm/aes-x86_64.pl
+++ b/crypto/aes/asm/aes-x86_64.pl
@@ -1198,6 +1198,8 @@ AES_cbc_encrypt:
        ret
 .align 4
 .Lcbc_enc_tail:
+       mov     %rax,%r11
+       mov     %rcx,%r12
        mov     %r10,%rcx
        mov     $inp,%rsi
        mov     $out,%rdi
@@ -1208,6 +1210,8 @@ AES_cbc_encrypt:
        .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