U8_28
[U8_28] = { 8, 28, 0 },
[INSTR_VRI_VR0UU] = { V_8, R_12, U8_28, U4_24, 0, 0 },
[INSTR_VRI_VV0UU] = { V_8, V_12, U8_28, U4_24, 0, 0 },
[INSTR_VRI_VVUUU2] = { V_8, V_12, U8_28, U8_16, U4_24, 0 },
[INSTR_VRI_VVV0UU2] = { V_8, V_12, V_16, U8_28, U4_24, 0 },