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OpcodeDispatcher: optimize POP

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-08-11 09:20:20 -04:00
parent 900c62fa7b
commit 881c940693
1 changed files with 2 additions and 12 deletions
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14
FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
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@ -506,18 +506,8 @@ void OpDispatchBuilder::PUSHSegmentOp(OpcodeArgs) {
}
void OpDispatchBuilder::POPOp(OpcodeArgs) {
const uint8_t Size = GetSrcSize(Op);
auto Constant = _Constant(Size);
auto OldSP = LoadGPRRegister(X86State::REG_RSP);
auto NewGPR = _LoadMem(GPRClass, Size, OldSP, Size);
auto NewSP = _Add(OpSize::i64Bit, OldSP, Constant);
// Store the new stack pointer
StoreGPRRegister(X86State::REG_RSP, NewSP);
// Store what we loaded from the stack
StoreResult(GPRClass, Op, NewGPR, -1);
Ref Value = Pop(GetSrcSize(Op));
StoreResult(GPRClass, Op, Value, -1);
}
void OpDispatchBuilder::POPAOp(OpcodeArgs) {