BrainDeadSpillCost (Jikes RVM API)

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org.jikesrvm.compilers.opt.regalloc
Class BrainDeadSpillCost

java.lang.Object
  org.jikesrvm.compilers.opt.regalloc.SpillCostEstimator
      org.jikesrvm.compilers.opt.regalloc.BrainDeadSpillCost

An object that returns an estimate of the relative cost of spilling a symbolic register.

This implementation returns a cost of zero for all registers.

Constructor Summary
`BrainDeadSpillCost(IR ir)`

Method Summary
`(package private) void`	`calculate(IR ir)` Calculate the estimated cost for each register.

Methods inherited from class org.jikesrvm.compilers.opt.regalloc.SpillCostEstimator
`getCost, update`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

BrainDeadSpillCost(IR ir)

Method Detail

void calculate(IR ir)

Calculate the estimated cost for each register. This brain-dead version does nothing.