U8_32
[U8_32] = { 8, 32, 0 },
[INSTR_RIE_RRUUU] = { R_8, R_12, U8_16, U8_24, U8_32, 0 },
[INSTR_RIE_RUPU] = { R_8, U8_32, U4_12, J16_16, 0, 0 },
[INSTR_RIS_RURDU] = { R_8, U8_32, U4_12, D_20, B_16, 0 },