static boolean isBranchForYieldpoint(int inst)
public static boolean isBranchForYieldpoint(int inst)
  static boolean isBranchForYieldpoint(int inst)  {    int opcode, ext_op;    int link;        opcode = bits(inst,0,5);    link = bits(inst,31,31);    switch (opcode) {    case 16: /* unconditional branch */      if (link==1)	return true;      else	return false;    }        return false;  }