257c257,263
< 0x05: syscall();
---
> 0x05: decode MODE_MODE {
> 0x0: decode MODE_SUBMODE {
> 0x0: Inst::SYSCALL_64();
> 0x1: Inst::SYSCALL_COMPAT();
> }
> 0x1: Inst::SYSCALL_LEGACY();
> }