clmulh

`clmulh` produces the upper half of the 2*XLEN carry-less product

Synopsis

clmulh xd, xs1, xs2

Encoding

Type: R

0671112141519202425310110011xd011xs1xs20000101
funct7: 0000101
funct3: 011
opcode: 0110011

RISC-V Instruction Encoder/Decoder

open clmulh in rvcodecjs

Availability