Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 3/31/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

_mm256_extractf128_pd

Extracts 128-bit packed float64 values. The corresponding Intel® AVX instruction is VEXTRACTF128.

Syntax

extern __m128d _mm256_extractf128_pd(__m256d m1, const int offset);

Arguments

m1

float64 source vector

offset

a constant integer value that represents the 128-bit offset from where extraction must start

Description

Extracts 128-bit packed double-precision floating point values (float64 values) from the source vector m1, starting from the location specified by the value in the offset parameter.

Returns

Result of the extraction operation.