_mm256_zextpd128_pd256 in core::arch::x86 - Rust
Description: 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.

core::arch::x86

# Function _mm256_zextpd128_pd256

1.27.0 · source

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

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

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