diff a/src/hotspot/cpu/arm/arm.ad b/src/hotspot/cpu/arm/arm.ad
--- a/src/hotspot/cpu/arm/arm.ad
+++ b/src/hotspot/cpu/arm/arm.ad
@@ -1004,10 +1004,18 @@
 // Vector width in bytes
 const int Matcher::vector_width_in_bytes(BasicType bt) {
   return MaxVectorSize;
 }
 
+const bool Matcher::supports_scalable_vector() {
+  return false;
+}
+
+const int Matcher::scalable_vector_reg_size(const BasicType bt) {
+  return -1;
+}
+
 // Vector ideal reg corresponding to specified size in bytes
 const uint Matcher::vector_ideal_reg(int size) {
   assert(MaxVectorSize >= size, "");
   switch(size) {
     case  8: return Op_VecD;