Intel® C++ Compiler Classic Developer Guide and Reference

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

_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.