diff -up src/cysignals/implementation.c.orig src/cysignals/implementation.c
--- src/cysignals/implementation.c.orig	2017-04-26 07:15:37.355125739 -0400
+++ src/cysignals/implementation.c	2017-04-26 07:15:50.757126252 -0400
@@ -85,7 +85,7 @@ static void print_backtrace(void);
  */
 static inline void reset_CPU(void)
 {
-#if HAVE_EMMS
+#if 0
     /* Clear FPU tag word */
     asm("emms");
 #endif