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compiler shouldn't use cx16.r15 as temp var

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Irmen de Jong
2021-11-14 02:38:59 +01:00
parent f0f52b9166
commit c858ceeb58
5 changed files with 20 additions and 33 deletions
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9
codeOptimizers/src/prog8/optimizer/BinExprSplitter.kt
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@@ -75,10 +75,10 @@ X = BinExpr X = LeftExpr
// Once it's outside the typecast, the regular splitting can commence.
val tempDt = origExpr.inferType(program).getOr(DataType.UNDEFINED)
val tempVar = when(tempDt) {
DataType.UBYTE -> listOf("cx16", "r15L")
DataType.BYTE -> listOf("cx16", "r15sL")
DataType.UWORD -> listOf("cx16", "r15")
DataType.WORD -> listOf("cx16", "r15s")
DataType.UBYTE -> listOf("prog8_lib", "retval_interm_ub")
DataType.BYTE -> listOf("prog8_lib", "retval_interm_b")
DataType.UWORD -> listOf("prog8_lib", "retval_interm_uw")
DataType.WORD -> listOf("prog8_lib", "retval_interm_w")
DataType.FLOAT -> listOf("floats", "tempvar_swap_float")
else -> throw FatalAstException("invalid dt $tempDt")
}
@@ -86,7 +86,6 @@ X = BinExpr X = LeftExpr
AssignTarget(IdentifierReference(tempVar, typecast.position), null, null, typecast.position),
typecast.expression, typecast.position
)
println("UNWRAP TYPECAST: ${assignment.position}") // TODO DEBUG
return listOf(
IAstModification.InsertBefore(assignment, assignTempVar, parent as IStatementContainer),
IAstModification.ReplaceNode(typecast.expression, IdentifierReference(tempVar, typecast.position), typecast)