MEMBAR  

distilled: @P0 MEMBAR.SC.CTA ;

key: MEMBAR

0123456701234567012345670123456701234567012345670123456701234567
010010011001predicate000000000000000000000000000000000000000000000000
0123456701234567012345670123456701234567012345670123456701234567
000000000000modi 1modi 2000000000000000000000000stally111w-barb-maskreuse00

Modifier Group 1
000CTA.
001SM.
010GPU.
011SYS.
100INVALID4.
101VC.
110INVALID6.
111INVALID7.

Modifier Group 2
00SC.
01ALL.
10
11MMIO.