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6502: Fix an optimization bug

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This commit is contained in:
Karol Stasiak 2019-10-22 16:34:39 +02:00
parent 5ad6da2be4
commit d36b83421c
1 changed files with 1 additions and 1 deletions
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src/main/scala/millfork/assembly/mos/opt/LaterOptimizations.scala
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@ -102,7 +102,7 @@ object LaterOptimizations {
private def TwoDifferentLoadsWithNoFlagChangeInBetween(opcode1: Opcode.Value, middle: AssemblyLinePattern, opcode2: Opcode.Value, transferOpcode: Opcode.Value) = {
(HasOpcode(opcode1) & MatchAddrMode(0) & MatchParameter(1)) ~
(Linear & Not(ChangesMemory) & middle & Not(HasOpcode(opcode2))).* ~
(Linear & Not(ChangesMemory) & DoesntChangeIndexingInAddrMode(0) & middle & Not(HasOpcode(opcode2))).* ~
(HasOpcode(opcode2) & Elidable & MatchAddrMode(0) & MatchParameter(1)) ~~> { c =>
c.init :+ AssemblyLine.implied(transferOpcode)
}