re PR testsuite/65484 (FAIL: g++.dg/vect/pr36648.cc on powerpc64)

2017-01-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/65484
	* g++.dg/vect/pr36648.cc: Modify to reflect that the loop is not
	vectorized on POWER unless hardware misaligned loads are
	available.

From-SVN: r244985

gcc/testsuite/ChangeLog

+2017-01-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+	PR target/65484
+	* g++.dg/vect/pr36648.cc: Modify to reflect that the loop is not
+	vectorized on POWER unless hardware misaligned loads are
+	available.
+
 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
 
 	PR rtl-optimization/78559

gcc/testsuite/g++.dg/vect/pr36648.cc

@@ -19,7 +19,12 @@ Foo foo;
 
 int main() { }
 
-/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { !  vect_no_align } } } } */
-/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { ! vect_no_align } } } } */
+/* On older powerpc hardware (POWER7 and earlier), the default flag
+   -mno-allow-movmisalign prevents vectorization.  On POWER8 and later,
+   when vect_hw_misalign is true, vectorization occurs.  For other
+   targets, ! vect_no_align is a sufficient test.  */
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { { { !  vect_no_align } && { ! powerpc*-*-* } } || { powerpc*-*-* && vect_hw_misalign } } } } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { { { ! vect_no_align } && { ! powerpc*-*-* } } || { powerpc*-*-* && vect_hw_misalign } } } } } */