Developer Guide and Reference

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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.

Product and Performance Information

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