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This commit is contained in:
Irmen de Jong 2020-12-06 07:52:58 +01:00
parent bec5a261e5
commit b3348eb22b
2 changed files with 9 additions and 9 deletions
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8
compiler/src/prog8/compiler/target/c64/codegen/AsmOptimizer.kt
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@ -75,11 +75,11 @@ private fun getLinesBy(lines: MutableList<String>, windowSize: Int) =
private fun optimizeCmpSequence(linesByFour: List<List<IndexedValue<String>>>): List<Modification> {
// the when statement (on bytes) generates a sequence of:
// lda $ce01,x
// cmp #$20
// lda $ce01,x
// cmp #$20
// beq check_prog8_s72choice_32
// lda $ce01,x
// cmp #$21
// lda $ce01,x
// cmp #$21
// beq check_prog8_s73choice_33
// the repeated lda can be removed
val mods = mutableListOf<Modification>()

10
compiler/src/prog8/compiler/target/c64/codegen/assignment/AssignmentAsmGen.kt
View File

@ -755,10 +755,10 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
when(target.datatype) {
DataType.UWORD -> {
asmgen.out("""
lda #<$sourceName
ldy #>$sourceName
sta ${target.asmVarname}
sty ${target.asmVarname}+1
lda #<$sourceName
ldy #>$sourceName
sta ${target.asmVarname}
sty ${target.asmVarname}+1
""")
}
DataType.STR, DataType.ARRAY_UB, DataType.ARRAY_B -> {
@ -1619,7 +1619,7 @@ internal class AssignmentAsmGen(private val program: Program, private val asmgen
val addressLv = addressExpr as? NumericLiteralValue
when {
addressLv != null -> {
asmgen.out(" lda $ldaInstructionArg | sta ${addressLv.number.toHex()}")
asmgen.out(" lda $ldaInstructionArg | sta ${addressLv.number.toHex()}")
}
addressExpr is IdentifierReference -> {
asmgen.storeByteIntoPointer(addressExpr, ldaInstructionArg)