Yes, in this case it is not the exact same codebase. There are actually a number of ARM backends in OpenJDK. If i recall there is an A ARMv5/6 one from the comm

Yes, in this case it is not the exact same codebase. There are actually a number of ARM backends in OpenJDK. If i recall there is an A ARMv5/6 one from the community and Oracle open sourced one for the same or for v7. And then the modern AArch64 one.