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Clear IE flag on fninit

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Paulo Matos committed 2025-08-18 15:40:46 +02:00
1 parent 9072571fc1
commit 3bf323aa2b
5 files changed
+19 -10
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Source/Windows/WOW64/Module.cpp
+2 -1
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@@ -208,6 +208,7 @@ void LoadStateFromWowContext(FEXCore::Core::InternalThreadState* Thread, uint64_
memcpy(State.mm, XSave->FloatRegisters, sizeof(State.mm));
State.FCW = XSave->ControlWord;
State.flags[FEXCore::X86State::X87FLAG_IE_LOC] = XSave->StatusWord & 1;
State.flags[FEXCore::X86State::X87FLAG_C0_LOC] = (XSave->StatusWord >> 8) & 1;
State.flags[FEXCore::X86State::X87FLAG_C1_LOC] = (XSave->StatusWord >> 9) & 1;
State.flags[FEXCore::X86State::X87FLAG_C2_LOC] = (XSave->StatusWord >> 10) & 1;
@@ -250,7 +251,7 @@ void StoreWowContextFromState(FEXCore::Core::InternalThreadState* Thread, WOW64_
XSave->ControlWord = State.FCW;
XSave->StatusWord = (State.flags[FEXCore::X86State::X87FLAG_TOP_LOC] << 11) | (State.flags[FEXCore::X86State::X87FLAG_C0_LOC] << 8) |
(State.flags[FEXCore::X86State::X87FLAG_C1_LOC] << 9) | (State.flags[FEXCore::X86State::X87FLAG_C2_LOC] << 10) |
(State.flags[FEXCore::X86State::X87FLAG_C3_LOC] << 14);
(State.flags[FEXCore::X86State::X87FLAG_C3_LOC] << 14) | State.flags[FEXCore::X86State::X87FLAG_IE_LOC];
XSave->TagWord = State.AbridgedFTW;
Context->FloatSave.ControlWord = XSave->ControlWord;