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## clmulh

# Function clmulh

Source

    pub fn clmulh(rs1: usize, rs2: usize) -> usize

🔬This is a nightly-only experimental API. (`riscv_ext_intrinsics` #114544)
Available on (RISC-V RV32) and target feature `zbkc` only.
Expand description

Carry-less multiply (high-part)

clmulh produces the upper half of the 2·XLEN carry-less product.

Source: RISC-V Bit-Manipulation ISA-extensions

Version: v1.0.0

Section: 2.12