void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
  __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
}
void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
  __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
}