I_L3
if (tv->tv_instr[0] != I_MOVi(I_L3, level) ||
I_MOVi(I_L3, level), I_BA(0, displ), I_RDPSR(I_L0));
tv->tv_instr[0] = I_SETHI(I_L3, hi22); /* sethi %hi(vec),%l3 */
tv->tv_instr[1] = I_JMPLri(I_G0, I_L3, lo10);/* jmpl %l3+%lo(vec),%g0 */
tv->tv_instr[0] = I_MOVi(I_L3, level);