- port x64 assembly code to MASM

- improve stack unwindability on x64 for GCC by not modifying RBP/RSP registers in inline assembly

trunk/c5/pch.h

@@ -1,6 +1,12 @@
 #ifndef CRYPTOPP_PCH_H
 #define CRYPTOPP_PCH_H
 
+#ifdef CRYPTOPP_GENERATE_X64_MASM
+
+	#include "cpu.h"
+
+#else
+
 	#include "config.h"
 
 	#ifdef USE_PRECOMPILED_HEADERS
@@ -11,3 +17,5 @@
 	#endif
 
 #endif
+
+#endif