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OpcodeDispatcher: optimize pop segment

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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 ee339b5960
commit 81969a684e
1 file changed
+1 -7
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+1 -7
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@@ -537,13 +537,7 @@ void OpDispatchBuilder::POPSegmentOp(OpcodeArgs) {
const uint8_t SrcSize = GetSrcSize(Op);
const uint8_t DstSize = GetDstSize(Op);
auto Constant = _Constant(SrcSize);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewSegment = _LoadMem(GPRClass, SrcSize, OldSP, SrcSize);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
auto NewSegment = Pop(SrcSize);
switch (SegmentReg) {
case FEXCore::X86Tables::DecodeFlags::FLAG_ES_PREFIX: