# _mm256_sub_pd

Subtracts float64 vectors. The corresponding Intel® AVX instruction is VSUBPD.

## Syntax

extern __m256d _mm256_sub_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 subtraction of four packed double-precision floating-point elements (float64 elements) of the second source vector m2 from the first source vector m1.

## Returns

Returns the result of the subtraction operation.

Parent topic: Intrinsics for Arithmetic Operations