// private Fu addMoveOperations(int destinationLine, Operand[] fuInputs, Operand[] opInputs) {
private Fu addMoveOperations(int destinationLine, Operand fuInput) {
// For each input
// for(int i=0; i<fuInputs.length; i++) {
if (fuInput == null) {
return null;
}
if (fuInput.getOpType() != Operand.OpType.fu) {
return null;
}
// System.out.println("fuInput:"+fuInput);
Coordinate coor = fuInput.getValueAsCoordinate();
// Calculate distance between the input and the destinationLine
int distance = destinationLine - coor.getLine();
// Check if destination is before input or in the same line as the input
if (distance <= 0) {
Logger.getLogger(IfmMapper.class.getName())
.warning("Input line:" + coor.getLine() + "; Consumer line:" + destinationLine);
return null;
}
// Check if destination line is within the feed distance
if (distance <= feedDistance) {
// No move operation is needed
return null;
}
// Calculate number of moves
int numberOfMoves = distance - feedDistance;
int startingLine = coor.getLine() + 1;
Operand input = fuInput;
Fu newMove = null;
for (int j = 0; j < numberOfMoves; j++) {
// Line
int line = startingLine + j;
// Check if line is avaliable. If not, mapping is not possible
boolean isAvaliable = matrix.isLineAvaliable(line);
if (!isAvaliable) {
Logger.getLogger(IfmMapper.class.getName())
.warning(
"Mapping is not possible for a matrix with "
+ "maximum line size of "
+ peLineSize);
mappingFailed = true;
return null;
}
line = matrix.getFirstAvaliableLine(line);
// Get column
int col = matrix.getFirstAvaliableColumn(line);
newMove = matrix.mapMoveOperation(line, col, input);
input = newMove.getOutput();
}
// }
return newMove;
}
/**
* Accepts operation to map on the matrix
*
* @param operation
* @return
*/
private void mapOperation(Operation operation) {
Operand[] opInputs = operation.getInputs();
Operand[] opOutputs = operation.getOutputs();
// Fu data
Operand[] fuInputs = new Operand[opInputs.length];
// Operand[] fuOutputs = new Operand[opOutputs.length];
// Check inputs
for (int i = 0; i < opInputs.length; i++) {
if (opInputs[i] == null) {
continue;
}
if (opInputs[i].getOpType() == Operand.OpType.literal) {
fuInputs[i] = opInputs[i];
continue;
}
if (opInputs[i].getOpType() == Operand.OpType.register) {
// This can be combine in one class
String register = opInputs[i].getValue();
Operand op = null;
// Check if literals table has this register
op = literalsTable.get(register);
// Check if current producers have this register
if (op == null) {
op = currentProducers.get(register);
}
if (op == null) {
liveIns.add(register);
} else {
fuInputs[i] = op;
}
continue;
}
System.out.println("mapOperation Error: shouldn't be here");
}
boolean isMemoryOperation = Memory.isMemoryOperation.contains(operation.getOperation());
int fromLine = 0;
// 1 Memory operation per line
if (isMemoryOperation) {
// Check last line used by memory operation
fromLine = lastLineUseByMemoryOperation + 1;
}
int destinationLine = calculateDestinationLine(fuInputs, fromLine);
int destinationCol = matrix.getFirstAvaliableColumn(destinationLine);
Fu mappedOp = matrix.mapNewOperation(destinationLine, destinationCol, operation, fuInputs);
processOutput(opOutputs, mappedOp.getOutput());
// Add, in the end
if (feedDistance > 0) {
for (int i = 0; i < fuInputs.length; i++) {
Fu newMove = addMoveOperations(destinationLine, fuInputs[i]);
if (mappingFailed) {
return;
}
}
}
// Update memory line
/*
if(isMemoryOperation) {
// Check last line used by memory operation
lastLineUseByMemoryOperation = destinationLine;
}
*/
// Scenario 2: parallel loads, serial stores
if (Memory.isStore.contains(operation.getOperation())) {
lastLineUseByMemoryOperation = destinationLine;
}
}