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OpcodeDispatcher: fuse NEG

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-02-21 15:27:20 -04:00
parent 96e652879f
commit 9a11d3b1a2
1 changed files with 2 additions and 5 deletions
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7
FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
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@ -4141,23 +4141,20 @@ void OpDispatchBuilder::NEGOp(OpcodeArgs) {
auto ZeroConst = _Constant(0);
OrderedNode *Dest{};
OrderedNode *Result{};
if (DestIsLockedMem(Op)) {
OrderedNode *DestMem = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, {.LoadData = false});
DestMem = AppendSegmentOffset(DestMem, Op->Flags);
Dest = _AtomicFetchNeg(IR::SizeToOpSize(Size), DestMem);
Result = _Neg(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest);
CalculateFlags_SUB(Size, ZeroConst, Dest);
}
else {
Dest = LoadSource(GPRClass, Op, Op->Dest, Op->Flags);
Result = _Neg(Size == 8 ? OpSize::i64Bit : OpSize::i32Bit, Dest);
OrderedNode *Result = CalculateFlags_SUB(Size, ZeroConst, Dest);
StoreResult(GPRClass, Op, Result, -1);
}
GenerateFlags_SUB(Op, ZeroConst, Dest);
}
void OpDispatchBuilder::DIVOp(OpcodeArgs) {