greedy-assign ( interval reg -- )

Vocabulary

compiler.cfg.register-allocation.greedy

Inputs

interval	an object
reg	an object

Outputs

None

Definition

USING: accessors assocs
compiler.cfg.register-allocation.occupancy kernel math
namespaces sequences ;

IN: compiler.cfg.register-allocation.greedy

:: greedy-assign ( interval reg -- )
    interval reg >>reg interval reg register-union push
    interval interval ranges>> interval reg register-index
    occupy-ranges
    interval interval vreg>> greedy-vreg-unions get push-at
    interval reg hint-score 0 >
    [ "hint-assignments" greedy-count ] when
    "assignments" greedy-count ;