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_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.