UBMSK   UR, UR, INT_IMM
WRITE UR (1 slots) READ UR (1 slots)

distilled: @UP0 UBMSK UR0, UR0, 0x0;

key: UBMSK_UR_UR_I

0123456701234567012345670123456701234567012345670123456701234567
110110010001predicateoperand 00operand 10operand 2
0123456701234567012345670123456701234567012345670123456701234567
00000000000W00000000000000010000000000000stallyr-barw-barb-maskreuse00
UBMSK   UR, UR, UR
WRITE UR (1 slots) READ UR (1 slots) READ UR (1 slots)

distilled: @UP0 UBMSK UR0, UR0, UR0;

key: UBMSK_UR_UR_UR

0123456701234567012345670123456701234567012345670123456701234567
110110010100predicateoperand 00operand 10operand 20000000000000000000000000
0123456701234567012345670123456701234567012345670123456701234567
00000000000W00000000000000010000000000000stallyr-barw-barb-maskreuse00