@Override
public long getMemorySize(JavaConstant constant) {
if (constant.getJavaKind() == JavaKind.Object) {
HotSpotResolvedObjectType lookupJavaType = lookupJavaType(constant);
if (lookupJavaType == null) {
return 0;
} else {
if (lookupJavaType.isArray()) {
// TODO(tw): Add compressed pointer support.
int length = Array.getLength(((HotSpotObjectConstantImpl) constant).object());
ResolvedJavaType elementType = lookupJavaType.getComponentType();
JavaKind elementKind = elementType.getJavaKind();
final int headerSize = getArrayBaseOffset(elementKind);
TargetDescription target = runtime.getHostJVMCIBackend().getTarget();
int sizeOfElement = getArrayIndexScale(elementKind);
int alignment = target.wordSize;
int log2ElementSize = CodeUtil.log2(sizeOfElement);
return computeArrayAllocationSize(length, alignment, headerSize, log2ElementSize);
}
return lookupJavaType.instanceSize();
}
} else {
return constant.getJavaKind().getByteCount();
}
}
@Override
public long getMemorySize(Constant constant) {
if (constant.getKind() == Kind.Object) {
HotSpotResolvedObjectType lookupJavaType =
(HotSpotResolvedObjectType) this.lookupJavaType(constant);
if (lookupJavaType == null) {
return 0;
} else {
if (lookupJavaType.isArray()) {
// TODO(tw): Add compressed pointer support.
int length = Array.getLength(HotSpotObjectConstant.asObject(constant));
ResolvedJavaType elementType = lookupJavaType.getComponentType();
Kind elementKind = elementType.getKind();
final int headerSize = HotSpotGraalRuntime.getArrayBaseOffset(elementKind);
int sizeOfElement = HotSpotGraalRuntime.runtime().getTarget().getSizeInBytes(elementKind);
int alignment = HotSpotGraalRuntime.runtime().getTarget().wordSize;
int log2ElementSize = CodeUtil.log2(sizeOfElement);
return NewObjectSnippets.computeArrayAllocationSize(
length, alignment, headerSize, log2ElementSize);
}
return lookupJavaType.instanceSize();
}
} else {
return constant.getKind().getByteCount();
}
}