From 449a2a0a9504bf0466a4d176f94e9d05809001be Mon Sep 17 00:00:00 2001
From: "Hunter N. Morgan" <hunter.morgan@tamucc.edu>
Date: Sun, 22 May 2016 21:19:53 -0500
Subject: [PATCH] Fix SWAP64 implementation to work on more platforms

---
 src/CryptState.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/CryptState.cpp b/src/CryptState.cpp
index 0760374..9c5937a 100644
--- a/src/CryptState.cpp
+++ b/src/CryptState.cpp
@@ -181,7 +181,7 @@ bool mumlib::CryptState::decrypt(const unsigned char *source, unsigned char *dst
 #define SHIFTBITS 63
 typedef uint64_t subblock;
 
-#define SWAP64(x) ({register uint64_t __out, __in = (x); __asm__("bswap %q0" : "=r"(__out) : "0"(__in)); __out;})
+#define SWAP64(x) (__builtin_bswap64(x))
 #define SWAPPED(x) SWAP64(x)
 
 typedef subblock keyblock[BLOCKSIZE];