pan/bi: Add bi_disasm_dest_* helpers

Used to print the actual register/temporary for an instruction
destination given the port arrangement.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6749>
2 files changed