# Function core::arch::x86::_mm256_undefined_si256

1.27.0 · source ·

    pub unsafe fn _mm256_undefined_si256() -> __m256i

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

Returns vector of type __m256i with with indeterminate elements. Despite being “undefined”, this is some valid value and not equivalent to `mem::MaybeUninit`. In practice, this is equivalent to `mem::zeroed`.

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