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OpcodeDispatcher: drop pointless flag defers for shifts

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
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Alyssa Rosenzweig committed 2024-07-05 16:24:54 -04:00
1 parent 0e62759d24
commit 395573720d
3 files changed
+5 -114
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+5 -5
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@@ -1482,7 +1482,7 @@ void OpDispatchBuilder::SHLImmediateOp(OpcodeArgs) {
Ref Src = _Constant(Size, Shift);
Ref Result = _Lshl(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
GenerateFlags_ShiftLeftImmediate(Op, Result, Dest, Shift);
CalculateFlags_ShiftLeftImmediate(GetSrcSize(Op), Result, Dest, Shift);
CalculateDeferredFlags();
StoreResult(GPRClass, Op, Result, -1);
}
@@ -1506,7 +1506,7 @@ void OpDispatchBuilder::SHRImmediateOp(OpcodeArgs) {
Ref Src = _Constant(Size, Shift);
auto ALUOp = _Lshr(Size == 64 ? OpSize::i64Bit : OpSize::i32Bit, Dest, Src);
GenerateFlags_ShiftRightImmediate(Op, ALUOp, Dest, Shift);
CalculateFlags_ShiftRightImmediate(GetSrcSize(Op), ALUOp, Dest, Shift);
CalculateDeferredFlags();
StoreResult(GPRClass, Op, ALUOp, -1);
}
@@ -1575,7 +1575,7 @@ void OpDispatchBuilder::SHLDImmediateOp(OpcodeArgs) {
Res = _Extr(OpSizeFromSrc(Op), Dest, Src, Size - Shift);
}
GenerateFlags_ShiftLeftImmediate(Op, Res, Dest, Shift);
CalculateFlags_ShiftLeftImmediate(GetSrcSize(Op), Res, Dest, Shift);
CalculateDeferredFlags();
StoreResult(GPRClass, Op, Res, -1);
} else if (Shift == 0 && Size == 32) {
@@ -1641,7 +1641,7 @@ void OpDispatchBuilder::SHRDImmediateOp(OpcodeArgs) {
}
StoreResult(GPRClass, Op, Res, -1);
GenerateFlags_ShiftRightDoubleImmediate(Op, Res, Dest, Shift);
CalculateFlags_ShiftRightDoubleImmediate(GetSrcSize(Op), Res, Dest, Shift);
} else if (Shift == 0 && Size == 32) {
// Ensure Zext still occurs
StoreResult(GPRClass, Op, Dest, -1);
@@ -1667,7 +1667,7 @@ void OpDispatchBuilder::ASHROp(OpcodeArgs) {
uint64_t Shift = LoadConstantShift(Op, SHR1Bit);
Ref Result = _Ashr(IR::SizeToOpSize(OpSize), Dest, _Constant(Shift));
GenerateFlags_SignShiftRightImmediate(Op, Result, Dest, Shift);
CalculateFlags_SignShiftRightImmediate(GetSrcSize(Op), Result, Dest, Shift);
CalculateDeferredFlags();
StoreResult(GPRClass, Op, Result, -1);
} else {