Arm Cortex-R series is intended to very hard real-time, and do branch prediction only if explicitly enabled
> However, the Cortex-R7 and Cortex-R8 do not enable branch prediction automatically at reset. This means software must enable branch prediction to get the maximum hardware performance.
> However, the Cortex-R7 and Cortex-R8 do not enable branch prediction automatically at reset. This means software must enable branch prediction to get the maximum hardware performance.
https://community.arm.com/arm-community-blogs/b/architecture...
Its still OoO but idk how much that impacts anything
Edit: apparently only r7/8 were ooo, r52/82 are in-order again