Intel® C++ Compiler 16.0 User and Reference Guide

_mm256_extractf128_si256

Extracts 128-bit scalar integer values. The corresponding Intel® AVX instruction is VEXTRACTF128.

Syntax

extern __m128i _mm256_extractf128_si256(__m256i m1, const int offset);

Arguments

m1

integer source vector

offset

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

Description

Extracts 128-bit scalar integer values from the source vector m1, starting from the location specified by the value in the offset parameter.

Returns

Result of the extraction operation.