From 9d737b71f758bd764e68c562db9e3a0d72221b21 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Fri, 2 Feb 2024 19:51:01 +1000
Subject: [PATCH] Avoid downclocking

---
 src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs b/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs
index feb55ebe59..f5fa73cf0f 100644
--- a/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs
+++ b/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs
@@ -896,7 +896,9 @@ internal static partial class SimdUtils
         {
             DebugGuard.IsTrue(source.Length == destination.Length, nameof(source), "Input spans must be of same length!");
 
-            if (Avx512BW.IsSupported || Avx2.IsSupported || Sse2.IsSupported || AdvSimd.IsSupported)
+            if ((Vector512.IsHardwareAccelerated && Avx512BW.IsSupported) ||
+                (Vector256.IsHardwareAccelerated && Avx2.IsSupported) ||
+                (Vector128.IsHardwareAccelerated && (Sse2.IsSupported || AdvSimd.IsSupported)))
             {
                 int remainder;