/**
* This method uses a SplitRecord as the criertion to partition the given EmitterSet into two
* subsets.
*
* @param split the plit record dicatating how to split
*/
private EmitterSet[] makeSplit(SplitRecord split) {
int arg = split.argument;
ArgumentType test = split.test;
EmitterSet yes = new EmitterSet();
EmitterSet no = new EmitterSet();
Iterator<EmitterDescriptor> i = emitters.iterator();
while (i.hasNext()) {
EmitterDescriptor ed = (EmitterDescriptor) i.next();
if (ed.argMatchesEncoding(arg, test)) {
yes.add(ed);
} else {
no.add(ed);
}
}
return new EmitterSet[] {yes, no};
}
/**
* Computes the set of emit methods in the Assembler for a given IA32 opcode.
*
* @param emitters the set of all emit methods
* @param opcode the opcode being examined
*/
private static EmitterSet buildSetForOpcode(Method[] emitters, String opcode) {
EmitterSet s = new EmitterSet();
for (int i = 0; i < emitters.length; i++) {
Method m = emitters[i];
if (m.getName().startsWith("emit" + opcode + "_") || m.getName().equals("emit" + opcode)) {
s.add(new EmitterDescriptor(m.getName(), m.getParameterTypes()));
}
}
return s;
}
