as hoped. Leaving the definition in the file so we'll know what it
was that didn't work, and hopefully find something better in the
future.
#if defined(__GNUC__)
#define FASTCALL __attribute__((stdcall, regparm(3)))
#elif defined(WIN32)
-#define FASTCALL __fastcall
-#else
+/* XXX This seems to have an unexpected negative effect on Windows so
+ we'll disable it for now on that platform. It may be reconsidered
+ for a future release if it can be made more effective.
+*/
+/* #define FASTCALL __fastcall */
+#endif
+
+#ifndef FASTCALL
#define FASTCALL
#endif