diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 87b2ae58720972cda5a62aa0a974340ab7f4b713..a72233588f90c822333cb334074e5a7a4950a210 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -10212,6 +10212,7 @@ proc check_effective_target_avx512fp16 { } {
 	void foo (void)
 	{
 	  asm volatile ("vmovw %edi, %xmm0");
+	  asm volatile ("vfcmulcph %xmm1, %xmm2, %xmm3{%k1}");
 	}
     } "-O2 -mavx512fp16" ]
 }