From 47fe911196b5551f5b4a829a1a310ca66cf12e99 Mon Sep 17 00:00:00 2001
From: Hendiadyoin1 <leon2002.la@gmail.com>
Date: Thu, 3 Feb 2022 12:47:17 +0100
Subject: UserspaceEmulator: Clear c0 on x87 constant load instructions

---
 Userland/DevTools/UserspaceEmulator/SoftFPU.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Userland/DevTools')

diff --git a/Userland/DevTools/UserspaceEmulator/SoftFPU.cpp b/Userland/DevTools/UserspaceEmulator/SoftFPU.cpp
index 7c8cd5ccf8..61ec8de3cb 100644
--- a/Userland/DevTools/UserspaceEmulator/SoftFPU.cpp
+++ b/Userland/DevTools/UserspaceEmulator/SoftFPU.cpp
@@ -1088,30 +1088,37 @@ void SoftFPU::FYL2XP1(const X86::Instruction&)
 // LOAD CONSTANT
 void SoftFPU::FLD1(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(1.0l);
 }
 void SoftFPU::FLDZ(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(0.0l);
 }
 void SoftFPU::FLDPI(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(M_PIl);
 }
 void SoftFPU::FLDL2E(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(M_LOG2El);
 }
 void SoftFPU::FLDLN2(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(M_LN2l);
 }
 void SoftFPU::FLDL2T(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(log2l(10.0l));
 }
 void SoftFPU::FLDLG2(const X86::Instruction&)
 {
+    set_c1(0);
     fpu_push(log10l(2.0l));
 }
 
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