diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 48712485a79..8b23665e689 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -307,8 +307,9 @@ static INLINE GLuint CPU_TO_LE32(GLuint x)
  * USE_IEEE: Determine if we're using IEEE floating point
  */
 #if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
-    defined(__s390x__) || defined(__powerpc__) || \
+    defined(__s390__) || defined(__s390x__) || defined(__powerpc__) || \
     defined(__x86_64__) || \
+    defined(__m68k__) || \
     defined(ia64) || defined(__ia64__) || \
     defined(__hppa__) || defined(hpux) || \
     defined(__mips) || defined(_MIPS_ARCH) || \