Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 7/13/2023
Public
Document Table of Contents

_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.