fold-vec-sums-int.c: New.

[gcc/testsuite]

2017-08-22  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-sums-int.c: New.

From-SVN: r251281

gcc/testsuite/ChangeLog

+2017-08-22  Will Schmidt  <will_schmidt@vnet.ibm.com>
+
+	* gcc.target/powerpc/fold-vec-sums-int.c: New.
+
 2017-08-22  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/81741

gcc/testsuite/gcc.target/powerpc/fold-vec-sums-int.c

+/* Verify that overloaded built-ins for vec_sums with int
+   inputs produce the right code.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec -O2" } */
+
+#include <altivec.h>
+
+vector signed int
+test_vec_sums (vector signed int vsi2, vector signed int vsi3)
+{
+  return vec_sums (vsi2, vsi3);
+}
+
+/* { dg-final { scan-assembler-times "vsumsws" 1 } } */