Fix masm build

- Fix masm operators and comments
- Add -DOPENSSL_NO_ASM only if not 64 bit build
- Add -DCMAKE_INSTALL_PREFIX to avoid build error

crypto/CMakeLists.txt

@@ -920,7 +920,11 @@ endif()
 if(NOT ENABLE_ASM)
 	add_definitions(-DOPENSSL_NO_ASM)
 else()
-	if(WIN32)
+	if(MSVC)
+		if(NOT "${CMAKE_GENERATOR}" MATCHES "Win64")
+			add_definitions(-DOPENSSL_NO_ASM)
+		endif()
+	elseif(WIN32)
 		add_definitions(-DOPENSSL_NO_ASM)
 	endif()
 endif()