# _mm256_hadd_ps

Adds horizontal pairs of float32 elements of two vectors. The corresponding Intel® AVX instruction is VHADDPS.

## Syntax

extern __m256 _mm256_hadd_ps(__m256 m1, __m256 m2);

## Arguments

m1 | float32 vector used for the operation
m2 | float32 vector also used for the operation

## Description

Performs a SIMD addition of adjacent (horizontal) pairs of single-precision floating-point elements (float32 elements) in the first source vector m1 with adjacent pairs of float32 elements in the second source vector m2.

## Returns

Returns the result of the addition operation.

Parent topic: Intrinsics for Arithmetic Operations