_mm_clmulepi64_si128 in core::arch::x86 - Rust
Description: Performs a carry-less multiplication of two 64-bit polynomials over the finite field GF(2).

## _mm_clmulepi64_si128

# Function _mm_clmulepi64_si128

1.27.0 · Source

    pub fn _mm_clmulepi64_si128(a: __m128i, b: __m128i, const IMM8: i32) -> __m128i

Available on x86 and target feature `pclmulqdq` only.
Expand description

Performs a carry-less multiplication of two 64-bit polynomials over the finite field GF(2).

The immediate byte is used for determining which halves of `a` and `b` should be used. Immediate bits other than 0 and 4 are ignored.

Intel’s documentation