simd-3.c: Do nothing if double is not wider than float.

* gcc.c-torture/compile/simd-3.c: Do nothing if double is not
wider than float.

From-SVN: r63549

gcc/testsuite/ChangeLog

+2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
+
+	* gcc.c-torture/compile/simd-3.c: Do nothing if double is not
+	wider than float.
+
 2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 
 	* lib/scanasm.exp: Add support for counting numbers of

gcc/testsuite/gcc.c-torture/compile/simd-3.c

+#include <float.h>
+
+/* If double is not wider than float, we probably don't have DFmode,
+   or at least it's not as wide as double.  */
+#if DBL_MANT_DIG > FLT_MANT_DIG
 typedef float floatvect2 __attribute__((mode(V2DF)));
 
 typedef union
@@ -15,3 +20,4 @@ void tempf(double *x, double *y)
         x[0]=temp2.f[0];
         x[1]=temp2.f[1];
 }
+#endif