Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 7/13/2023
Public
Document Table of Contents

_mm256_extract_epi8/16/32/64

Extract integer byte or word from packed integer array element selected by index.

Syntax

extern int _mm256_extract_epi8(__m256i a, int offset);

extern int _mm256_extract_epi16(__m256i a, int offset);

extern int _mm256_extract_epi32(__m256i a, int offset);

extern int _mm256_extract_epi64(__m256i a, int offset);

Arguments

a

integer source vector

offset

integer constant specifying offset

Description

Returns extracted 8/16/32/64 bits of data of the source vector at offset position. Offset counts with element size granularity.

Upper bits of returned integer value are cleared.