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OpcodeDispatcher: Opt PF selection

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
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Alyssa Rosenzweig committed 2023-09-22 19:07:42 -04:00
1 parent 2d65a3677b
commit 699aa85c4b
3 files changed
+11 -11
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FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+3 -4
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@@ -894,13 +894,12 @@ OrderedNode *OpDispatchBuilder::SelectCC(uint8_t OP, IR::OpSize ResultSize, Orde
break;
}
case 0xA: { // JP - Jump if PF == 1
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_EQ},
LoadPFInverted(), ZeroConst, TrueValue, FalseValue);
// Raw value contains inverted PF in bottom bit
SrcCond = SelectMask(LoadPFRaw(), 0x1, false, ResultSize, TrueValue, FalseValue);
break;
}
case 0xB: { // JNP - Jump if PF == 0
SrcCond = _Select(ResultSize, OpSize::i32Bit, CondClassType{COND_NEQ},
LoadPFInverted(), ZeroConst, TrueValue, FalseValue);
SrcCond = SelectMask(LoadPFRaw(), 0x1, true, ResultSize, TrueValue, FalseValue);
break;
}
case 0xC: { // SF <> OF