# _mm256_or_si256

Performs bitwise logical OR operation on signed integer vectors. The corresponding Intel® AVX2 instruction is VPOR.

## Syntax

extern __m256i _mm256_or_si256(__m256i s1, __m256i s2);

## Arguments

s1 | signed integer vector used for the operation
s2 | signed integer vector also used for the operation

## Description

Performs a bitwise logical OR operation of the signed integer elements of source vector s2 and the corresponding elements in source vector s1 and stores the result in the destination vector. If either of the corresponding bits of the first and second vectors are 1, each bit of the result is set to 1, otherwise it is set to 0.

## Returns

Result of the bitwise logical OR operation.

Parent topic: Intrinsics for Bitwise Operations