core::arch::x86_64::_mm256_zextpd128_pd256 - Rust
Description: API documentation for the Rust `_mm256_zextpd128_pd256` fn in crate `core`.
Keywords: rust, rustlang, rust-lang, _mm256_zextpd128_pd256

# 1.27.0[−][src]Function core::arch::x86_64::_mm256_zextpd128_pd256

    pub unsafe fn _mm256_zextpd128_pd256(a: __m128d) -> __m256d

This is supported on x86-64 and target feature `avx,sse2` only.

Constructs a 256-bit floating-point vector of `[4 x double]` from a 128-bit floating-point vector of `[2 x double]`. The lower 128 bits contain the value of the source vector. The upper 128 bits are set to zero.

Intel's documentation