(write_units): Add blockage_function, blockage_range_function,
max_blockage and max_issue_delay fields to struct function_unit_desc.
Drop max_busy_cost field. Write #defines for min/max blockage,
issue delay, multiplicity, and simultaneity and for BLOCKAGE_BITS
and INSN_QUEUE_SIZE.
(main): Compute the new values.
From-SVN: r1950
(write_units): Write #defines for the number of
function units, the min/max ready cost and min/max busy delay.
Add max_busy_cost field to struct function_unit_desc.
From-SVN: r1844
