From 8d20d1dae32bfc54e862ae47ca792e83ef46c5c4 Mon Sep 17 00:00:00 2001 From: Ryan Houdek Date: Tue, 4 Nov 2025 11:29:04 -0800 Subject: [PATCH] Wow64: Disable AVX It's unsupported. --- Source/Windows/WOW64/Module.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Source/Windows/WOW64/Module.cpp b/Source/Windows/WOW64/Module.cpp index ac1300d82..0855a8e51 100644 --- a/Source/Windows/WOW64/Module.cpp +++ b/Source/Windows/WOW64/Module.cpp @@ -529,6 +529,8 @@ void BTCpuProcessInit() { { auto HostFeatures = FEX::Windows::CPUFeatures::FetchHostFeatures(IsWine); + // AVX is unsupported for WOW64 + HostFeatures.SupportsAVX = false; CTX = FEXCore::Context::Context::CreateNewContext(HostFeatures); }