diff a/src/hotspot/cpu/s390/s390.ad b/src/hotspot/cpu/s390/s390.ad
--- a/src/hotspot/cpu/s390/s390.ad
+++ b/src/hotspot/cpu/s390/s390.ad
@@ -1608,10 +1608,18 @@
 
 const int Matcher::min_vector_size(const BasicType bt) {
   return max_vector_size(bt); // Same as max.
 }
 
+const bool Matcher::supports_scalable_vector() {
+  return false;
+}
+
+const int Matcher::scalable_vector_reg_size(const BasicType bt) {
+  return -1;
+}
+
 // z/Architecture does support misaligned store/load at minimal extra cost.
 const bool Matcher::misaligned_vectors_ok() {
   return true;
 }