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retain constants in IR

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some IR related cleanups
This commit is contained in:
Irmen de Jong
2024-12-23 23:29:33 +01:00
parent 4c1e2f3110
commit 5071da6784
15 changed files with 158 additions and 141 deletions
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6
codeGenIntermediate/src/prog8/codegen/intermediate/IRCodeGen.kt
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@@ -25,7 +25,7 @@ class IRCodeGen(
verifyNameScoping(program, symbolTable)
changeGlobalVarInits(symbolTable)
val irSymbolTable = IRSymbolTable.fromStDuringCodegen(symbolTable)
val irSymbolTable = IRSymbolTable.fromAstSymboltable(symbolTable)
val irProg = IRProgram(program.name, irSymbolTable, options, program.encoding)
// collect global variables initializers
@@ -486,7 +486,7 @@ class IRCodeGen(
it += IRInstruction(Opcode.STOREM, irType(DataType.forDt(elementDt)), reg1=tmpReg, labelSymbol = loopvarSymbol)
}
result += translateNode(forLoop.statements)
result += addConstReg(IRDataType.BYTE, indexReg, elementSize)
result += addConstIntToReg(IRDataType.BYTE, indexReg, elementSize)
result += IRCodeChunk(null, null).also {
if(lengthBytes!=256) {
// for length 256, the compare is actually against 0, which doesn't require a separate CMP instruction
@@ -639,7 +639,7 @@ class IRCodeGen(
return result
}
private fun addConstReg(dt: IRDataType, reg: Int, value: Int): IRCodeChunk {
private fun addConstIntToReg(dt: IRDataType, reg: Int, value: Int): IRCodeChunk {
val code = IRCodeChunk(null, null)
when(value) {
0 -> { /* do nothing */ }