Create OMR::Node::storeToAddressField() helper

eclipse-omr · Nov 6, 2024 · 01ebad9 · 01ebad9
1 parent e59f482
commit 01ebad9
Show file tree

Hide file tree

Showing 2 changed files with 43 additions and 0 deletions.
diff --git a/compiler/il/OMRNode.cpp b/compiler/il/OMRNode.cpp
@@ -7727,3 +7727,27 @@ OMR::Node::isEAEscapeHelperCall()
 
    return false;
    }
+
+
+TR::Node *
+OMR::Node::storeToAddressField(TR::Node *obj, TR::SymbolReference *symRef, TR::Node *value)
+   {
+   TR::Compilation *comp = TR::comp();
+   TR::Node * node;
+
+   if (TR::Compiler->om.writeBarrierType() != gc_modron_wrtbar_none)
+      {
+      node = TR::Node::createWithSymRef(TR::awrtbari, 3, 3, obj, value, obj, symRef);
+      }
+   else
+      {
+      node = TR::Node::createWithSymRef(TR::astorei, 2, 2, obj, value, symRef);
+      }
+
+   if (comp->useCompressedPointers())
+      {
+      node = TR::Node::createCompressedRefsAnchor(node);
+      }
+
+   return node;
+   }
diff --git a/compiler/il/OMRNode.hpp b/compiler/il/OMRNode.hpp
@@ -546,6 +546,25 @@ class OMR_EXTENSIBLE Node
     */
    bool                   isEAEscapeHelperCall();
 
+   /**
+    * \brief
+    *    Creates a node for storing into an address field of an object
+    *
+    * \parm obj
+    *    Node containing object reference
+    *
+    * \parm symRef
+    *    Symbol reference of the address field
+    *
+    * \parm value
+    *    Value to store
+    *
+    * \return
+    *    Created node
+    *
+    */
+   static TR::Node *      storeToAddressField(TR::Node *obj, TR::SymbolReference *symRef, TR::Node *value);
+
    TR_YesNoMaybe          hasBeenRun();
 
    /// Given a monenter node, return the persistent class identifer that's being synchronized