expire-old-intervals ( n pending-heap -- )
Assigning registers to live intervals

Prev:pending-interval-assoc
Next:remove-pending ( live-interval -- )


Vocabulary
compiler.cfg.linear-scan.assignment

Inputs
nan integer
pending-heapa min-heap


Outputs
None

Word description
Expires all intervals older than the cutoff point. First they are removed from the 'pending-heap' and pending-interval-assoc. Then ##spill instructions are inserted for each interval that was removed.

Definition