Index: trunk/src/sh_tiger1_64.c
===================================================================
--- trunk/src/sh_tiger1_64.c	(revision 450)
+++ trunk/src/sh_tiger1_64.c	(revision 451)
@@ -6,4 +6,10 @@
 
 #if defined(TIGER_64_BIT)
+
+#if defined(GCC_VERSION_MAJOR)
+#if ((GCC_VERSION_MAJOR == 4) && (GCC_VERSION_MINOR > 6))
+#pragma GCC optimize ("O1")
+#endif
+#endif
 
 /* #if defined(HAVE_LONG_64) || defined(HAVE_LONG_LONG_64) */