Allow indirect calls within current function using a jumptable
This restores some functionality removed in SPU ASMJIT 2.0
Change SPUThread::get_ch_value prototype
Use conditional memory access to invalid address.
This approach can allow continue (for debugging);
but at the same time it doesn't add function call to recompiled code.
Use opt-out shared spu_runtime to save memory (Option: SPU Shared Runtime)
Implement "übertrampolines" for dispatching compiled blocks
Patch fixed branch points to use trampolines after check failure