Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 3/31/2023
Public

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_mm256_undefined_si256

Returns a vector of eight packed doubleword integer elements. No corresponding Intel® AVX instruction.

Syntax

extern __m256i _mm256_undefined_si256(void);

Description

This intrinsic returns a vector of eight packed doubleword integer elements. The content of the vector is not specified. The prototype of this intrinsic is in the immintrin.h header file.

Returns

A vector of eight packed doubleword integer elements.