diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index ab60a2d8195..45435586de2 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -9059,7 +9059,8 @@ proc check_effective_target_vect_long_mult { } {
 	 || ([istarget riscv*-*-*]
 	      && [check_effective_target_riscv_v])
 	 || ([istarget loongarch*-*-*]
-	      && [check_effective_target_loongarch_sx]) } {
+	      && [check_effective_target_loongarch_sx])
+	 || [istarget amdgcn-*-*] } {
 	set answer 1
     } else {
 	set answer 0