re PR tree-optimization/91069 (Miscompare of 453.povray since r272843)

	PR middle-end/91069
	* gcc.dg/pr91069.c (v2df): Use 2 * sizeof (double) instead of
	hardcoded 16 for better portability.
	(v2di): Change from long vector to long long vector.  Use
	2 * sizeof (long long) instead of hardcoded 16.

From-SVN: r273039

gcc/testsuite/ChangeLog

 2019-07-04  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/91069
+	* gcc.dg/pr91069.c (v2df): Use 2 * sizeof (double) instead of
+	hardcoded 16 for better portability.
+	(v2di): Change from long vector to long long vector.  Use
+	2 * sizeof (long long) instead of hardcoded 16.
+
 	PR rtl-optimization/90756
 	* gcc.dg/pr90756.c: New test.
 

gcc/testsuite/gcc.dg/pr91069.c

 /* { dg-do run } */
 /* { dg-options "-std=gnu11" } */
 
-typedef double v2df __attribute__((vector_size(16)));
-typedef long v2di __attribute__((vector_size(16)));
+typedef double v2df __attribute__((vector_size(2 * sizeof (double))));
+typedef long long v2di __attribute__((vector_size(2 * sizeof (long long))));
 
 void foo (v2df *res, v2df *src)
 {