From b764c2425cf943009244c4923b0e095351b1c2e9 Mon Sep 17 00:00:00 2001
From: Merry <git@mary.rs>
Date: Fri, 20 Jan 2023 21:20:35 +0000
Subject: [PATCH] emit_x64_floating_point: zext FPFixedU32ToDouble

---
 src/dynarmic/backend/x64/emit_x64_floating_point.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/dynarmic/backend/x64/emit_x64_floating_point.cpp b/src/dynarmic/backend/x64/emit_x64_floating_point.cpp
index d6f858fd..62adb92e 100644
--- a/src/dynarmic/backend/x64/emit_x64_floating_point.cpp
+++ b/src/dynarmic/backend/x64/emit_x64_floating_point.cpp
@@ -1870,6 +1870,8 @@ void EmitX64::EmitFPFixedU32ToDouble(EmitContext& ctx, IR::Inst* inst) {
     const size_t fbits = args[1].GetImmediateU8();
     [[maybe_unused]] const FP::RoundingMode rounding_mode = static_cast<FP::RoundingMode>(args[2].GetImmediateU8());  // Not required
 
+    code.xorps(to, to);
+
     if (code.HasHostFeature(HostFeature::AVX512F)) {
         const Xbyak::Reg64 from = ctx.reg_alloc.UseGpr(args[0]);
         code.vcvtusi2sd(to, to, from.cvt32());