src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotConstantPool.java

rev 12604 : 8173912: [JVMCI] fix memory overhead of JVMCI

@@ -296,11 +296,11 @@
      * Gets the constant pool entry at index {@code index}.
      *
      * @param index constant pool index
      * @return constant pool entry
      */
-    private long getEntryAt(int index) {
+    long getEntryAt(int index) {
         assert checkBounds(index);
         int offset = index * runtime().getHostJVMCIBackend().getTarget().wordSize;
         return UNSAFE.getAddress(getMetaspaceConstantPool() + config().constantPoolSize + offset);
     }
 

@@ -603,37 +603,36 @@
 
     @Override
     public JavaField lookupField(int cpi, ResolvedJavaMethod method, int opcode) {
         final int index = rawIndexToConstantPoolIndex(cpi, opcode);
         final int nameAndTypeIndex = getNameAndTypeRefIndexAt(index);
-        final int nameIndex = getNameRefIndexAt(nameAndTypeIndex);
-        String name = lookupUtf8(nameIndex);
         final int typeIndex = getSignatureRefIndexAt(nameAndTypeIndex);
         String typeName = lookupUtf8(typeIndex);
         JavaType type = runtime().lookupType(typeName, getHolder(), false);
 
         final int holderIndex = getKlassRefIndexAt(index);
         JavaType holder = lookupType(holderIndex, opcode);
 
         if (holder instanceof HotSpotResolvedObjectTypeImpl) {
-            long[] info = new long[2];
+            int[] info = new int[3];
             HotSpotResolvedObjectTypeImpl resolvedHolder;
             try {
                 resolvedHolder = compilerToVM().resolveFieldInPool(this, index, (HotSpotResolvedJavaMethodImpl) method, (byte) opcode, info);
             } catch (Throwable t) {
                 /*
                  * If there was an exception resolving the field we give up and return an unresolved
                  * field.
                  */
-                return new HotSpotUnresolvedField(holder, name, type);
+                return new HotSpotUnresolvedField(holder, lookupUtf8(getNameRefIndexAt(nameAndTypeIndex)), type);
             }
-            final int flags = (int) info[0];
-            final long offset = info[1];
-            HotSpotResolvedJavaField result = resolvedHolder.createField(name, type, offset, flags);
+            final int flags = info[0];
+            final int offset = info[1];
+            final int fieldIndex = info[2];
+            HotSpotResolvedJavaField result = resolvedHolder.createField(type, offset, flags, fieldIndex);
             return result;
         } else {
-            return new HotSpotUnresolvedField(holder, name, type);
+            return new HotSpotUnresolvedField(holder, lookupUtf8(getNameRefIndexAt(nameAndTypeIndex)), type);
         }
     }
 
     @Override
     @SuppressWarnings("fallthrough")