Avoid downclocking

JimBobSquarePants · JimBobSquarePants · commit 9d737b71f758 · 2024-02-02T19:51:01.000+10:00
diff --git a/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs b/src/ImageSharp/Common/Helpers/SimdUtils.HwIntrinsics.cs
@@ -896,7 +896,9 @@ internal static void NormalizedFloatToByteSaturateReduce(
         {
             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;
 

Original file line number	Diff line number	Diff line change
`@@ -896,7 +896,9 @@ internal static void NormalizedFloatToByteSaturateReduce(`
`896`	`896`	`{`
`897`	`897`	`DebugGuard.IsTrue(source.Length == destination.Length, nameof(source), "Input spans must be of same length!");`
`898`	`898`
`899`		`- if (Avx512BW.IsSupported \|\| Avx2.IsSupported \|\| Sse2.IsSupported \|\| AdvSimd.IsSupported)`
	`899`	`+ if ((Vector512.IsHardwareAccelerated && Avx512BW.IsSupported) \|\|`
	`900`	`+ (Vector256.IsHardwareAccelerated && Avx2.IsSupported) \|\|`
	`901`	`+ (Vector128.IsHardwareAccelerated && (Sse2.IsSupported \|\| AdvSimd.IsSupported)))`
`900`	`902`	`{`
`901`	`903`	`int remainder;`
`902`	`904`