Function core::arch::x86_64::_mm_undefined_si128
1.27.0 · source · pub unsafe fn _mm_undefined_si128() -> __m128i
Available on (x86 or x86-64) and target feature
sse2
and x86-64 only.Expand description
Returns vector of type __m128i 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
.