Op_MB
{ "rlwimi", 0xfc000000, 0x50000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
{ "rlwinm", 0xfc000000, 0x54000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
{ "rlwnm", 0xfc000000, 0x5c000000, Op_S | Op_A | Op_SH | Op_MB | Op_ME | Op_Rc },
Op_ME = Op_MB,
if ((func & Op_MB) && (func & Op_sh_mb_sh)) {