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OpcodeDispatcher: optimize POPF

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
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Alyssa Rosenzweig committed 2024-08-14 09:37:06 -04:00
1 parent 6367554d30
commit a7dada457a
1 file changed
+1 -8
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+1 -8
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@@ -3621,14 +3621,7 @@ void OpDispatchBuilder::PUSHFOp(OpcodeArgs) {
void OpDispatchBuilder::POPFOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
Ref Src = _LoadMem(GPRClass, Size, OldSP, Size);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
Ref Src = Pop(Size);
// Add back our flag constants
// Bit 1 is always 1