diff --git a/gcc/testsuite/gcc.dg/strlenopt-80.c b/gcc/testsuite/gcc.dg/strlenopt-80.c
index 9124fe4740a..a853402b5ce 100644
--- a/gcc/testsuite/gcc.dg/strlenopt-80.c
+++ b/gcc/testsuite/gcc.dg/strlenopt-80.c
@@ -3,7 +3,7 @@
    The optimization is only implemented for MEM_REF stores and other
    targets than those below may not transform the memcpy call into
    such a store.
-   { dg-do compile { target aarch64*-*-* i?86-*-* powerpc*-*-* x86_64-*-* } }
+   { dg-do compile { target { { aarch64*-*-* i?86-*-* x86_64-*-* } || { { powerpc*-*-* } && lp64 } } } }
 
    { dg-options "-O2 -Wall -fdump-tree-optimized" } */