From a51c8c64e03444ebd2a9aba877d4dd4aa21a19f3 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sat, 27 Dec 2008 13:34:30 +0000
Subject: [PATCH] Backport aes-x86_64.pl update from HEAD.

---
 crypto/aes/asm/aes-x86_64.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crypto/aes/asm/aes-x86_64.pl b/crypto/aes/asm/aes-x86_64.pl
index 6711b63f7f..f616f1751f 100755
--- 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
-- 
2.40.0