s390: Detect floating point extension facility. Update s390-features.c


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12920 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/s390x_features.c b/tests/s390x_features.c
index 36305fa..f2365bc 100644
--- a/tests/s390x_features.c
+++ b/tests/s390x_features.c
@@ -222,6 +222,8 @@
       match = facilities & FAC_BIT(35);
    } else if (strcmp(feature, "s390x-etf3") == 0 ) {
       match = facilities & FAC_BIT(30);
+   } else if (strcmp(feature, "s390x-fpext") == 0 ) {
+      match = facilities & FAC_BIT(37);
    } else {
       return 2;          // Unrecognised feature.
    }