diff -up src/cysignals/implementation.c.orig src/cysignals/implementation.c
--- src/cysignals/implementation.c.orig	2018-04-17 06:09:44.000000000 -0600
+++ src/cysignals/implementation.c	2018-05-18 13:07:49.838120881 -0600
@@ -102,7 +102,7 @@ static int sig_raise_exception(int sig,
  */
 static inline void reset_CPU(void)
 {
-#if HAVE_EMMS
+#if 0
     /* Clear FPU tag word */
     asm("emms");
 #endif