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Fixed PHD/PHB-related optimizations

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Karol Stasiak 2018-03-03 15:06:49 +01:00
parent 2024c33ef2
commit ccb6e35a29
1 changed files with 2 additions and 2 deletions
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4
src/main/scala/millfork/assembly/opt/AlwaysGoodOptimizations.scala
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@ -250,8 +250,8 @@ object AlwaysGoodOptimizations {
operationPairBuilder3(PHX, Anything, PLX, Not(ChangesX) & Not(ConcernsStack)),
operationPairBuilder3(PHY, Anything, PLY, Not(ChangesY) & Not(ConcernsStack)),
operationPairBuilder3(PHZ, Anything, PLZ, Not(ChangesIZ) & Not(ConcernsStack)),
operationPairBuilder3(PHD, Anything, PHD, Not(ChangesDirectPageRegister)),
operationPairBuilder3(PHB, Anything, PHB, Not(ChangesDataBankRegister)),
operationPairBuilder3(PHD, Anything, PLD, Not(ChangesDirectPageRegister)),
operationPairBuilder3(PHB, Anything, PLB, Not(ChangesDataBankRegister)),
operationPairBuilder3(INX, DoesntMatterWhatItDoesWith(State.N, State.Z), DEX, Not(ConcernsX) & Not(ReadsNOrZ)),
operationPairBuilder3(DEX, DoesntMatterWhatItDoesWith(State.N, State.Z), INX, Not(ConcernsX) & Not(ReadsNOrZ)),
operationPairBuilder3(INY, DoesntMatterWhatItDoesWith(State.N, State.Z), DEY, Not(ConcernsX) & Not(ReadsNOrZ)),