From d09eb6f856c81c298b99eccf7721f0653d564823 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Mon, 3 Jun 2024 10:16:07 +0300
Subject: [PATCH] [NTOS:KE/x64] Add detection of SSE 4.2

---
 ntoskrnl/ke/amd64/cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ntoskrnl/ke/amd64/cpu.c b/ntoskrnl/ke/amd64/cpu.c
index 90519e56181..4fe811aaa42 100644
--- a/ntoskrnl/ke/amd64/cpu.c
+++ b/ntoskrnl/ke/amd64/cpu.c
@@ -206,6 +206,7 @@ KiGetFeatureBits(VOID)
     if (VersionInfo.Ecx.Bits.SSSE3) FeatureBits |= KF_SSSE3;
     if (VersionInfo.Ecx.Bits.CMPXCHG16B) FeatureBits |= KF_CMPXCHG16B;
     if (VersionInfo.Ecx.Bits.SSE4_1) FeatureBits |= KF_SSE4_1;
+    if (VersionInfo.Ecx.Bits.SSE4_2) FeatureBits |= KF_SSE4_2;
     if (VersionInfo.Ecx.Bits.XSAVE) FeatureBits |= KF_XSTATE;
     if (VersionInfo.Ecx.Bits.RDRAND) FeatureBits |= KF_RDRAND;