/**
* Pushes size, care, and constant information forward through this ReductionOrOp according to
* this rule:
*
* <p>Result has only 1 care bit.
*
* @return a value of type 'boolean'
*/
@Override
public boolean pushValuesForward() {
boolean mod = false;
Value inValue = getDataPort().getValue();
Value newValue = new Value(inValue.getSize(), false);
for (int i = 1; i < inValue.getSize(); i++) {
newValue.setBit(i, Bit.ZERO);
}
mod |= getResultBus().pushValueForward(newValue);
return mod;
}
/**
* Gets the FPGA hardware resource usage of this component.
*
* @return a FPGAResource objec
*/
@Override
public FPGAResource getHardwareResourceUsage() {
int lutCount = 0;
Value inputValue = getDataPort().getValue();
for (int i = 0; i < inputValue.getSize(); i++) {
Bit inputBit = inputValue.getBit(i);
if (!inputBit.isConstant() && inputBit.isCare()) {
lutCount++;
}
}
FPGAResource hwResource = new FPGAResource();
hwResource.addLUT(lutCount);
return hwResource;
}