# Function core::arch::x86::_mm_aeskeygenassist_si128

1.27.0 · source ·

    pub unsafe fn _mm_aeskeygenassist_si128(a: __m128i, const IMM8: i32) -> __m128i

Available on (x86 or x86-64) and target feature `aes` and x86 only.
Expand description

Assist in expanding the AES cipher key.

Assist in expanding the AES cipher key by computing steps towards generating a round key for encryption cipher using data from `a` and an 8-bit round constant `IMM8`.

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