Function core::arch::x86::_mm256_zextps128_ps256

pub unsafe fn _mm256_zextps128_ps256(a: __m128) -> __m256

This is supported on x86 and target feature avx,sse only.

Constructs a 256-bit floating-point vector of [8 x float] from a 128-bit floating-point vector of [4 x float]. The lower 128 bits contain the value of the source vector. The upper 128 bits are set to zero.

Intel’s documentation