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6502: fix broken jump optimization

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This commit is contained in:
Karol Stasiak 2019-07-31 22:30:04 +02:00
parent 0f9bb4fb56
commit fe25978d14
1 changed files with 3 additions and 3 deletions
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6
src/main/scala/millfork/assembly/mos/opt/AlwaysGoodOptimizations.scala
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@ -2240,17 +2240,17 @@ object AlwaysGoodOptimizations {
(Elidable & HasOpcode(BCS) & MatchParameter(0)) ~ (Elidable & HasOpcode(BCS) & MatchParameter(0)) ~
(Elidable & HasOpcodeIn(JMP, BCC) & MatchParameter(1)) ~ (Elidable & HasOpcodeIn(JMP, BCC) & MatchParameter(1)) ~
(HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) => (HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) =>
code(1).copy(opcode = BCC) :: code.drop(2) code(1).copy(opcode = BCC, addrMode = Relative) :: code.drop(2)
}, },
(Elidable & HasOpcode(BMI) & MatchParameter(0)) ~ (Elidable & HasOpcode(BMI) & MatchParameter(0)) ~
(Elidable & HasOpcodeIn(JMP, BPL) & MatchParameter(1)) ~ (Elidable & HasOpcodeIn(JMP, BPL) & MatchParameter(1)) ~
(HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) => (HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) =>
code(1).copy(opcode = BPL) :: code.drop(2) code(1).copy(opcode = BPL, addrMode = Relative) :: code.drop(2)
}, },
(Elidable & HasOpcode(BPL) & MatchParameter(0)) ~ (Elidable & HasOpcode(BPL) & MatchParameter(0)) ~
(Elidable & HasOpcodeIn(JMP, BMI) & MatchParameter(1)) ~ (Elidable & HasOpcodeIn(JMP, BMI) & MatchParameter(1)) ~
(HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) => (HasOpcode(LABEL) & MatchParameter(0)) ~~> { (code, ctx) =>
code(1).copy(opcode = BMI) :: code.drop(2) code(1).copy(opcode = BMI, addrMode = Relative) :: code.drop(2)
}, },
) )