Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 3/31/2023
Public

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_mm256_hsub_pd

Subtracts horizontal pairs of float64 elements of two vectors. The corresponding Intel® AVX instruction is VHSUBPD.

Syntax

extern __m256d _mm256_hsub_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 adjacent (horizontal) pairs of double-precision floating-point elements (float64 elements) in the second source vector m2 from adjacent pairs of float64 elements in the first source vector m1.

Returns

Result of the subtraction operation.