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OpcodeDispatcher: Removes DST_RAX from ADC

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Ryan Houdek committed 2026-09-15 15:00:02 -07:00
1 parent 1e95181b34
commit 9d936a8989
6 files changed
+15 -10
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+6 -2
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@@ -230,7 +230,7 @@ void OpDispatchBuilder::SecondaryALUOp(OpcodeArgs) {
ALUOp(Op, IROp, AtomicIROp, 1, false);
}
void OpDispatchBuilder::ADCOp(OpcodeArgs, uint32_t SrcIndex) {
void OpDispatchBuilder::ADCOp(OpcodeArgs, uint32_t SrcIndex, bool DestRAX) {
// Calculate flags early.
CalculateDeferredFlags();
@@ -245,6 +245,8 @@ void OpDispatchBuilder::ADCOp(OpcodeArgs, uint32_t SrcIndex) {
Ref DestMem = MakeSegmentAddress(Op, Op->Dest);
Before = _AtomicFetchAdd(Size, ALUOp, DestMem);
} else if (DestRAX) {
Before = LoadGPRRegister(X86State::REG_RAX, OpSizeFromSrc(Op), 0, true);
} else {
Before = LoadSourceGPR(Op, Op->Dest, Op->Flags, {.AllowUpperGarbage = true});
}
@@ -261,7 +263,9 @@ void OpDispatchBuilder::ADCOp(OpcodeArgs, uint32_t SrcIndex) {
Result = CalculateFlags_ADC(Size, Before, Src);
}
if (!DestIsLockedMem(Op)) {
if (DestRAX) {
StoreGPRResultWithZExtSemantics(X86State::REG_RAX, Result, OpSizeFromDst(Op));
} else if (!DestIsLockedMem(Op)) {
StoreResultGPR(Op, Result);
}
}