N nullification for spop and copr instructions
w 12 bit branch displacement
W 17 bit branch displacement (PC relative)
+ X 22 bit branch displacement (PC relative)
z 17 bit branch displacement (just a number, not an address)
Also these:
{ "b", 0xe8002000, 0xfc00e000, "gnW,b", pa10, FLAG_STRICT},
+{ "b", 0xe8008000, 0xfc00e000, "lMnXL", pa20, FLAG_STRICT},
+{ "b", 0xe800a000, 0xfc00e000, "lnXL", pa20, FLAG_STRICT},
{ "b", 0xe8000000, 0xfc00e000, "lnW,b", pa10, FLAG_STRICT},
{ "b", 0xe8000000, 0xffe0e000, "nW", pa10}, /* bl foo,r0 */
{ "ldi", 0x34000000, 0xffe0c000, "j,x", pa10}, /* ldo val(r0),r */