# _mm256_add_pd

Adds float64 vectors. The corresponding Intel® AVX instruction is VADDPD.

## Syntax

extern __m256d _mm256_add_pd(__m256d m1, __m256d m2);

## Arguments

m1 | float64 vector used for the operation
m2 | float64 vector also used for the operation

## Description

Performs a SIMD addition of four packed double-precision floating-point elements (float64 elements) in the first source vector m1 with four float64 elements in the second source vector m2.

## Returns

Result of the addition operation.

Parent topic: Intrinsics for Arithmetic Operations