$import rv_zbb::andn
$import rv_zbb::orn
$import rv_zbb::xnor
$import rv_zbe::pack
$import rv_zbe::packh
$import rv_zbb::rol
$import rv_zbb::ror
grev       rd rs1 rs2 31..25=52 14..12=5 6..2=0x0C 1..0=3
gorc       rd rs1 rs2 31..25=20 14..12=5 6..2=0x0C 1..0=3
shfl       rd rs1 rs2 31..25=4  14..12=1 6..2=0x0C 1..0=3
unshfl     rd rs1 rs2 31..25=4  14..12=5 6..2=0x0C 1..0=3
xperm4     rd rs1 rs2 31..25=20 14..12=2 6..2=0x0C 1..0=3
xperm8     rd rs1 rs2 31..25=20 14..12=4 6..2=0x0C 1..0=3
xperm16    rd rs1 rs2 31..25=20 14..12=6 6..2=0x0C 1..0=3
packu      rd rs1 rs2 31..25=36 14..12=4 6..2=0x0C 1..0=3