The parallelizing instruction execution hardware

The hart status table in the Decode and Rename stage.
The p_fc and p_fn forking instructions decoding.
The p_swcv/p_lwcv instructions (send/receive continuation value).
The p_jal instruction.
The p_swre/p_lwre instructions (send/receive result).
The p_ret instruction.
The issue pipeline stage in detail (including multicycle operators).