index = VM_Entrypoints.oneDoubleField.getOffset() >> LOG_BYTES_IN_INT;
index = VM_Entrypoints.oneDoubleField.getOffsetAsInt() >> LOG_BYTES_IN_INT;
  public OPT_DoubleConstantOperand(double v) {    value = v;    if (v == 0.) {      index = VM_Entrypoints.zeroDoubleField.getOffset() >> LOG_BYTES_IN_INT;    } else if (v == 1.) {      index = VM_Entrypoints.oneDoubleField.getOffset() >> LOG_BYTES_IN_INT;    }  }