diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-21.c b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c
index d87d084bf2a..4e2a7407c8a 100644
--- a/gcc/testsuite/gcc.target/i386/pieces-memset-21.c
+++ b/gcc/testsuite/gcc.target/i386/pieces-memset-21.c
@@ -11,7 +11,8 @@ foo (void)
 
 /* { dg-final { scan-assembler-times "vpxor(?:d|)\[ \\t\]+\[^\n\]*%xmm" 1 } } */
 /* { dg-final { scan-assembler-times "vmovdqu(?:64|8)\[ \\t\]+\[^\n\]*%zmm" 1 } } */
-/* { dg-final { scan-assembler-not "vzeroupper" } } */
+/* { dg-final { scan-assembler-not "vzeroupper" { target { ! ia32 } } } } */
+/* { dg-final { scan-assembler "vzeroupper" { target ia32 } } } */
 /* No need to dynamically realign the stack here.  */
 /* { dg-final { scan-assembler-not "and\[^\n\r]*%\[re\]sp" } } */
 /* Nor use a frame pointer.  */