From 9a759e4492cfe56b8aea52e0ab7cd4d2bb31b229 Mon Sep 17 00:00:00 2001
From: weidai <weidai11@users.noreply.github.com>
Date: Tue, 29 Jun 2010 00:46:23 +0000
Subject: [PATCH] fix incorrect SHA-256 hash on x64 when compiled with GCC with
 optimizations enabled

---
 sha.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sha.cpp b/sha.cpp
index e5dd9b7f..df947ad1 100644
--- a/sha.cpp
+++ b/sha.cpp
@@ -430,7 +430,7 @@ static void CRYPTOPP_FASTCALL X86_SHA256_HashBlocks(word32 *state, const word32
 	#endif
 	: "memory", "cc", "%eax"
 	#if CRYPTOPP_BOOL_X64
-		, "%rbx", "%r8"
+		, "%rbx", "%r8", "%r10"
 	#endif
 	);
 #endif