Examples with Type org.apache.bcel.generic.Type used on opensource projects

Example 21 with Type

use of org.apache.bcel.generic.Type in project jop by jop-devel.

the class MethodCacheAnalysis method getMissCost.

/**
	 * Get miss cost for an edge accessing the method cache
	 * @param accessEdge either a SuperInvoke or SuperReturn edge, or an entry edge of the segment analyzed
	 * @return maximum miss penalty (in cycles)
	 */
private long getMissCost(SuperGraphEdge accessEdge) {
    SuperGraphNode accessed = accessEdge.getTarget();
    ControlFlowGraph cfg = accessed.getCfg();
    if (accessEdge instanceof SuperReturnEdge) {
        /* return edge: return cost */
        Type returnType = accessEdge.getSource().getCfg().getMethodInfo().getType();
        return methodCache.getMissPenaltyOnReturn(cfg.getNumberOfWords(), returnType);
    } else if (accessEdge instanceof SuperInvokeEdge) {
        InstructionHandle invokeIns = ((SuperInvokeEdge) accessEdge).getInvokeNode().getInvokeSite().getInstructionHandle();
        return methodCache.getMissPenaltyOnInvoke(cfg.getNumberOfWords(), invokeIns.getInstruction());
    } else {
        /* entry edge of the segment: can be invoke or return cost */
        return methodCache.getMissPenalty(cfg.getNumberOfWords(), false);
    }
}