Check parameter type of spu intrinsics spu_convts, spu_convtu, spu_convtf

From-SVN: r132184

gcc/testsuite/gcc.target/spu/intrinsics-3.c

+/* { dg-do compile } */
+#include <spu_intrinsics.h>
+void f0 (vec_uint4 *in)
+{
+  vec_float4 out = spu_convtf (in[0], 128); /* { dg-error "expects an integer literal in the range" "0, 127"  }*/
+}
+
+void f1 (vec_int4 *in)
+{
+  vec_float4 out = spu_convtf (in[0], 128); /* { dg-error "expects an integer literal in the range" "0, 127"  }*/
+}
+
+void f2 (vec_float4 *in)
+{
+  vec_int4 out = spu_convts (in[0], 128); /* { dg-error "expects an integer literal in the range" "0, 127"  }*/
+}
+
+void f3 (vec_float4 *in)
+{
+  vec_uint4 out = spu_convtu (in[0], 128); /* { dg-error "expects an integer literal in the range" "0, 127"  }*/
+}