testsuite/100452 - fix g++.dg/vect/slp-pr99971.cc

This makes sure to align data so targets without unaligned
accesses can vectorize it.

2021-05-10  Richard Biener  <rguenther@suse.de>

	PR testsuite/100452
	* g++.dg/vect/slp-pr99971.cc: Align data.

diff --git a/gcc/testsuite/g++.dg/vect/slp-pr99971.cc b/gcc/testsuite/g++.dg/vect/slp-pr99971.cc
index bec6418d4e801ea7cf9b34148c805c8931233e0c..cf22b3331d233fe9c60e087865792917c6277ff2 100644 (file)
--- a/gcc/testsuite/g++.dg/vect/slp-pr99971.cc
+++ b/gcc/testsuite/g++.dg/vect/slp-pr99971.cc
@@ -22,7 +22,7 @@ struct A
       d -= that.d;
       return *this;
     }
-};
+} __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
 
 void test(A& x, A const& y1, A const& y2)
 {