src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/AddressLoweringByUsePhase.java

*** 21,32 ****
--- 21,35 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package org.graalvm.compiler.phases.common;
  
+ import jdk.vm.ci.meta.JavaKind;
  import org.graalvm.compiler.core.common.type.Stamp;
+ import org.graalvm.compiler.core.common.type.StampFactory;
  import org.graalvm.compiler.graph.Node;
+ import org.graalvm.compiler.nodes.PrefetchAllocateNode;
  import org.graalvm.compiler.nodes.StructuredGraph;
  import org.graalvm.compiler.nodes.ValueNode;
  import org.graalvm.compiler.nodes.extended.JavaReadNode;
  import org.graalvm.compiler.nodes.memory.AbstractWriteNode;
  import org.graalvm.compiler.nodes.memory.FloatingReadNode;
*** 79,95 ****
              } else if (node instanceof AbstractWriteNode) {
                  AbstractWriteNode abstractWriteNode = (AbstractWriteNode) node;
                  Stamp stamp = abstractWriteNode.value().stamp();
                  address = abstractWriteNode.getAddress();
                  lowered = lowering.lower(abstractWriteNode, stamp, address);
!                 // TODO -- PrefetchAllocateNode is not yet implemented for AArch64
!                 // } else if (node instanceof PrefetchAllocateNode) {
!                 // PrefetchAllocateNode prefetchAllocateNode = (PrefetchAllocateNode) node;
!                 // Stamp stamp = prefetchAllocateNode.value().stamp();
!                 // n.b.this getter is not provided!
!                 // address = prefetchAllocateNode.getAddress();
!                 // lowered = lowering.lower(prefetchAllocateNode, stamp, address);
              } else {
                  continue;
              }
              // the lowered address amy already be a replacement
              // in which case we want to use it not delete it!
--- 82,96 ----
              } else if (node instanceof AbstractWriteNode) {
                  AbstractWriteNode abstractWriteNode = (AbstractWriteNode) node;
                  Stamp stamp = abstractWriteNode.value().stamp();
                  address = abstractWriteNode.getAddress();
                  lowered = lowering.lower(abstractWriteNode, stamp, address);
!             } else if (node instanceof PrefetchAllocateNode) {
!                 PrefetchAllocateNode prefetchAllocateNode = (PrefetchAllocateNode) node;
!                 Stamp stamp = StampFactory.forKind(JavaKind.Object);
!                 address = (AddressNode) prefetchAllocateNode.inputs().first();
!                 lowered = lowering.lower(prefetchAllocateNode, stamp, address);
              } else {
                  continue;
              }
              // the lowered address amy already be a replacement
              // in which case we want to use it not delete it!