mirror of
https://github.com/irmen/prog8.git
synced 2024-11-26 11:49:22 +00:00
ir: several fixes
This commit is contained in:
Irmen de Jong
parent
02e51d8282
commit
3126959576
@ -80,6 +80,16 @@ class SymbolTable(astProgram: PtProgram) : StNode(astProgram.name, StNodeType.GL
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}
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override fun lookup(scopedName: String) = flat[scopedName]
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fun getLength(name: String): Int? {
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val node = flat[name]
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return when(node) {
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is StMemVar -> node.length
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is StMemorySlab -> node.size.toInt()
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is StStaticVariable -> node.length
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else -> null
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}
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}
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}
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@ -484,8 +484,8 @@ internal class ProgramAndVarsGen(
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val vars = allocator.zeropageVars.filter { it.value.dt==DataType.STR }
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for (variable in vars) {
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val scopedName = variable.key
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val svar = symboltable.flat.getValue(scopedName) as StStaticVariable
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if(svar.onetimeInitializationStringValue!=null)
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val svar = symboltable.lookup(scopedName) as? StStaticVariable
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if(svar?.onetimeInitializationStringValue!=null)
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result.add(ZpStringWithInitial(scopedName, variable.value, svar.onetimeInitializationStringValue!!))
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}
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return result
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@ -496,8 +496,8 @@ internal class ProgramAndVarsGen(
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val vars = allocator.zeropageVars.filter { it.value.dt in ArrayDatatypes }
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for (variable in vars) {
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val scopedName = variable.key
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val svar = symboltable.flat.getValue(scopedName) as StStaticVariable
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if(svar.onetimeInitializationArrayValue!=null)
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val svar = symboltable.lookup(scopedName) as? StStaticVariable
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if(svar?.onetimeInitializationArrayValue!=null)
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result.add(ZpArrayWithInitial(scopedName, variable.value, svar.onetimeInitializationArrayValue!!))
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}
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return result
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@ -1,6 +1,5 @@
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package prog8.codegen.intermediate
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import prog8.code.StStaticVariable
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import prog8.code.ast.*
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import prog8.code.core.AssemblyError
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import prog8.code.core.DataType
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@ -219,8 +218,7 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
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}
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val fixedIndex = constIntValue(targetArray.index)
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val iterable = codeGen.symbolTable.flat.getValue(targetArray.variable.name) as StStaticVariable
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val arrayLength = iterable.length!!
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val arrayLength = codeGen.symbolTable.getLength(targetArray.variable.name)
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if(zero) {
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if(fixedIndex!=null) {
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val chunk = IRCodeChunk(null, null).also {
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@ -119,7 +119,7 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
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private fun funcAny(call: PtBuiltinFunctionCall): ExpressionCodeResult {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.name) as StStaticVariable
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val array = codeGen.symbolTable.lookup(arrayName.name) as StStaticVariable // TODO FIX/TEST for memory mapped array
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val syscall =
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when (array.dt) {
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DataType.ARRAY_UB,
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@ -140,7 +140,7 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
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private fun funcAll(call: PtBuiltinFunctionCall): ExpressionCodeResult {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.name) as StStaticVariable
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val array = codeGen.symbolTable.lookup(arrayName.name) as StStaticVariable // TODO FIX/TEST for memory mapped array
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val syscall =
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when(array.dt) {
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DataType.ARRAY_UB,
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@ -287,7 +287,7 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
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private fun funcReverse(call: PtBuiltinFunctionCall): ExpressionCodeResult {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.name) as StStaticVariable
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val array = codeGen.symbolTable.lookup(arrayName.name) as StStaticVariable // TODO FIX/TEST for memory mapped array
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val syscall =
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when(array.dt) {
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DataType.ARRAY_UB, DataType.ARRAY_B, DataType.STR -> IMSyscall.REVERSE_BYTES
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@ -307,7 +307,7 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
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private fun funcSort(call: PtBuiltinFunctionCall): ExpressionCodeResult {
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val arrayName = call.args[0] as PtIdentifier
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val array = codeGen.symbolTable.flat.getValue(arrayName.name) as StStaticVariable
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val array = codeGen.symbolTable.lookup(arrayName.name) as StStaticVariable // TODO FIX/TEST for memory mapped array
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val syscall =
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when(array.dt) {
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DataType.ARRAY_UB -> IMSyscall.SORT_UBYTE
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@ -106,7 +106,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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private fun translate(check: PtContainmentCheck): ExpressionCodeResult {
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val result = mutableListOf<IRCodeChunkBase>()
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val iterable = codeGen.symbolTable.flat.getValue(check.iterable.name) as StStaticVariable
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val iterable = codeGen.symbolTable.lookup(check.iterable.name) as StStaticVariable // TODO FIX/TEST for memory mapped array , replace with check.iterable.type???
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when(iterable.dt) {
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DataType.STR -> {
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val elementTr = translateExpression(check.element)
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@ -164,8 +164,7 @@ internal class ExpressionGen(private val codeGen: IRCodeGen) {
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if(arrayIx.splitWords) {
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require(vmDt==IRDataType.WORD)
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val iterable = codeGen.symbolTable.flat.getValue(arrayIx.variable.name) as StStaticVariable
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val arrayLength = iterable.length!!
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val arrayLength = codeGen.symbolTable.getLength(arrayIx.variable.name)
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resultRegister = codeGen.registers.nextFree()
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if(arrayIx.index is PtNumber) {
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val memOffset = (arrayIx.index as PtNumber).number.toInt()
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@ -168,6 +168,11 @@ class IRCodeGen(
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replacements.forEach {
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val old = it.first.instructions[it.second]
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val formats = instructionFormats.getValue(old.opcode)
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val format = formats.getOrElse(old.type) { throw IllegalArgumentException("type ${old.type} invalid for ${old.opcode}") }
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val immediateValue = if(format.immediate) it.third.toInt() else null
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val addressValue = if(format.immediate) null else it.third.toInt()
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it.first.instructions[it.second] = IRInstruction(
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old.opcode,
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old.type,
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@ -175,9 +180,9 @@ class IRCodeGen(
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old.reg2,
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old.fpReg1,
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old.fpReg2,
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immediate = immediateValue,
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null,
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null,
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address = it.third.toInt(),
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address = addressValue,
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null,
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null
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)
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@ -447,60 +452,63 @@ class IRCodeGen(
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result += translateForInNonConstantRange(forLoop, loopvar)
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}
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is PtIdentifier -> {
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val iterableVar = symbolTable.lookup(iterable.name) as StStaticVariable
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require(forLoop.variable.name == loopvar.scopedName)
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val iterableLength = symbolTable.getLength(iterable.name)
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val loopvarSymbol = forLoop.variable.name
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val indexReg = registers.nextFree()
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val tmpReg = registers.nextFree()
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val loopLabel = createLabelName()
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val endLabel = createLabelName()
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if(iterableVar.dt==DataType.STR) {
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// iterate over a zero-terminated string
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1 = indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1 = tmpReg, reg2 = indexReg, labelSymbol = iterable.name)
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it += IRInstruction(Opcode.BEQ, IRDataType.BYTE, reg1 = tmpReg, immediate = 0, labelSymbol = endLabel)
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it += IRInstruction(Opcode.STOREM, IRDataType.BYTE, reg1 = tmpReg, labelSymbol = loopvarSymbol)
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when (iterable.type) {
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DataType.STR -> {
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// iterate over a zero-terminated string
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1 = indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1 = tmpReg, reg2 = indexReg, labelSymbol = iterable.name)
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it += IRInstruction(Opcode.BEQ, IRDataType.BYTE, reg1 = tmpReg, immediate = 0, labelSymbol = endLabel)
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it += IRInstruction(Opcode.STOREM, IRDataType.BYTE, reg1 = tmpReg, labelSymbol = loopvarSymbol)
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}
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result += translateNode(forLoop.statements)
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val jumpChunk = IRCodeChunk(null, null)
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jumpChunk += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1 = indexReg)
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jumpChunk += IRInstruction(Opcode.JUMP, labelSymbol = loopLabel)
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result += jumpChunk
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result += IRCodeChunk(endLabel, null)
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}
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result += translateNode(forLoop.statements)
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val jumpChunk = IRCodeChunk(null, null)
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jumpChunk += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1 = indexReg)
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jumpChunk += IRInstruction(Opcode.JUMP, labelSymbol = loopLabel)
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result += jumpChunk
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result += IRCodeChunk(endLabel, null)
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} else if(iterable.type in SplitWordArrayTypes) {
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// iterate over lsb/msb split word array
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val elementDt = ArrayToElementTypes.getValue(iterable.type)
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if(elementDt !in WordDatatypes)
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throw AssemblyError("weird dt")
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val length = iterableVar.length!!
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1=indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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val tmpRegLsb = registers.nextFree()
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val tmpRegMsb = registers.nextFree()
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegLsb, reg2=indexReg, immediate = length, labelSymbol=iterable.name+"_lsb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2=indexReg, immediate = length, labelSymbol=iterable.name+"_msb")
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it += IRInstruction(Opcode.CONCAT, IRDataType.BYTE, reg1=tmpRegLsb, reg2=tmpRegMsb)
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it += IRInstruction(Opcode.STOREM, irType(elementDt), reg1=tmpRegLsb, labelSymbol = loopvarSymbol)
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in SplitWordArrayTypes -> {
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// iterate over lsb/msb split word array
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val elementDt = ArrayToElementTypes.getValue(iterable.type)
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if(elementDt !in WordDatatypes)
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throw AssemblyError("weird dt")
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1=indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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val tmpRegLsb = registers.nextFree()
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val tmpRegMsb = registers.nextFree()
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegLsb, reg2=indexReg, immediate = iterableLength, labelSymbol=iterable.name+"_lsb")
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it += IRInstruction(Opcode.LOADX, IRDataType.BYTE, reg1=tmpRegMsb, reg2=indexReg, immediate = iterableLength, labelSymbol=iterable.name+"_msb")
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it += IRInstruction(Opcode.CONCAT, IRDataType.BYTE, reg1=tmpRegLsb, reg2=tmpRegMsb)
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it += IRInstruction(Opcode.STOREM, irType(elementDt), reg1=tmpRegLsb, labelSymbol = loopvarSymbol)
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}
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result += translateNode(forLoop.statements)
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1=indexReg)
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it += IRInstruction(Opcode.BNE, IRDataType.BYTE, reg1=indexReg, immediate = if(iterableLength==256) 0 else iterableLength, labelSymbol = loopLabel)
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}
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}
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result += translateNode(forLoop.statements)
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result += IRCodeChunk(null, null).also {
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it += IRInstruction(Opcode.INC, IRDataType.BYTE, reg1=indexReg)
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it += IRInstruction(Opcode.BNE, IRDataType.BYTE, reg1=indexReg, immediate = if(length==256) 0 else length, labelSymbol = loopLabel)
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else -> {
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// iterate over regular array
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val elementDt = ArrayToElementTypes.getValue(iterable.type)
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val elementSize = program.memsizer.memorySize(elementDt)
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val lengthBytes = iterableLength!! * elementSize
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1=indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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it += IRInstruction(Opcode.LOADX, irType(elementDt), reg1=tmpReg, reg2=indexReg, labelSymbol=iterable.name)
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it += IRInstruction(Opcode.STOREM, irType(elementDt), reg1=tmpReg, labelSymbol = loopvarSymbol)
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}
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result += translateNode(forLoop.statements)
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result += addConstReg(IRDataType.BYTE, indexReg, elementSize)
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addInstr(result, IRInstruction(Opcode.BNE, IRDataType.BYTE, reg1=indexReg, immediate = if(lengthBytes==256) 0 else lengthBytes, labelSymbol = loopLabel), null)
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}
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} else {
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// iterate over regular array
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val elementDt = ArrayToElementTypes.getValue(iterable.type)
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val elementSize = program.memsizer.memorySize(elementDt)
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val lengthBytes = iterableVar.length!! * elementSize
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addInstr(result, IRInstruction(Opcode.LOAD, IRDataType.BYTE, reg1=indexReg, immediate = 0), null)
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result += IRCodeChunk(loopLabel, null).also {
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it += IRInstruction(Opcode.LOADX, irType(elementDt), reg1=tmpReg, reg2=indexReg, labelSymbol=iterable.name)
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it += IRInstruction(Opcode.STOREM, irType(elementDt), reg1=tmpReg, labelSymbol = loopvarSymbol)
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}
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result += translateNode(forLoop.statements)
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result += addConstReg(IRDataType.BYTE, indexReg, elementSize)
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addInstr(result, IRInstruction(Opcode.BNE, IRDataType.BYTE, reg1=indexReg, immediate = if(lengthBytes==256) 0 else lengthBytes, labelSymbol = loopLabel), null)
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}
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}
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else -> throw AssemblyError("weird for iterable")
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@ -1362,7 +1370,6 @@ class IRCodeGen(
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if(array?.splitWords==true) {
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val variable = array.variable.name
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val fixedIndex = constIntValue(array.index)
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val iterable = symbolTable.flat.getValue(array.variable.name) as StStaticVariable
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if(fixedIndex!=null) {
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val skipLabel = createLabelName()
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when(postIncrDecr.operator) {
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@ -1388,7 +1395,7 @@ class IRCodeGen(
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else -> throw AssemblyError("weird operator")
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}
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} else {
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val arrayLength = iterable.length!!
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val arrayLength = symbolTable.getLength(array.variable.name)
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val indexTr = expressionEval.translateExpression(array.index)
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addToResult(result, indexTr, indexTr.resultReg, -1)
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val incReg = registers.nextFree()
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@ -1611,7 +1618,7 @@ class IRCodeGen(
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private fun translate(parameters: List<PtSubroutineParameter>) =
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parameters.map {
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val flattenedName = it.definingSub()!!.name + "." + it.name
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val orig = symbolTable.flat.getValue(flattenedName) as StStaticVariable
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val orig = symbolTable.lookup(flattenedName) as StStaticVariable // TODO FIX/TEST for memory mapped array or other
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IRSubroutine.IRParam(flattenedName, orig.dt)
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}
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@ -139,6 +139,18 @@ class IRUnusedCodeRemover(
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.children.single { it is IRSubroutine && it.label=="main.start" }
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val reachable = mutableSetOf((entrypointSub as IRSubroutine).chunks.first())
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// all chunks referenced in array initializer values are also 'reachable':
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irprog.st.allVariables()
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.filter { !it.uninitialized }
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.forEach {
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it.onetimeInitializationArrayValue?.let { array ->
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array.forEach {elt ->
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if(elt.addressOfSymbol!=null && irprog.st.lookup(elt.addressOfSymbol!!)==null)
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reachable.add(irprog.getChunkWithLabel(elt.addressOfSymbol!!))
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}
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}
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}
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fun grow() {
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val new = mutableSetOf<IRCodeChunkBase>()
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reachable.forEach {
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@ -167,6 +179,18 @@ class IRUnusedCodeRemover(
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private fun removeSimpleUnlinked(allLabeledChunks: Map<String, IRCodeChunkBase>): Int {
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val linkedChunks = mutableSetOf<IRCodeChunkBase>()
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// all chunks referenced in array initializer values are linked as well!:
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irprog.st.allVariables()
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.filter { !it.uninitialized }
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.forEach {
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it.onetimeInitializationArrayValue?.let { array ->
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array.forEach {elt ->
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if(elt.addressOfSymbol!=null && irprog.st.lookup(elt.addressOfSymbol!!)==null)
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linkedChunks += irprog.getChunkWithLabel(elt.addressOfSymbol!!)
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}
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}
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}
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irprog.foreachCodeChunk { chunk ->
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chunk.next?.let { next -> linkedChunks += next }
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chunk.instructions.forEach {
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@ -1,8 +1,8 @@
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TODO
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====
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- Fix wrong unused subroutines in expericodegen with cx16 shell
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- Fix expericodegen errors (chess, assem, musicdemo, rockrunners etc)
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- Fix possible ST type error: // TODO FIX/TEST for memory mapped array
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- Fix expericodegen errors (chess, assem, musicdemo, rockrunners)
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...
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@ -1,10 +1,21 @@
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%import textio
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%zeropage basicsafe
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main {
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romsub $FFD2 = chrout(ubyte ch @ A)
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sub start() {
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ubyte ch = '2'
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chrout(ch)
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; uword[] routines = [ 0, &command, $4444 ]
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; cx16.r0 = routines[1]
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&ubyte[5] cells = $4000
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cells = [1,2,3,4,5]
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ubyte ub
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for ub in cells {
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txt.print_ub(ub)
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txt.spc()
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}
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}
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sub command() {
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cx16.r0++
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}
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}
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@ -58,6 +58,15 @@ class IRProgram(val name: String,
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fun allSubs(): Sequence<IRSubroutine> = blocks.asSequence().flatMap { it.children.filterIsInstance<IRSubroutine>() }
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fun foreachSub(operation: (sub: IRSubroutine) -> Unit) = allSubs().forEach { operation(it) }
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fun foreachCodeChunk(operation: (chunk: IRCodeChunkBase) -> Unit) = allSubs().flatMap { it.chunks }.forEach { operation(it) }
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fun getChunkWithLabel(label: String): IRCodeChunkBase {
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for(sub in allSubs()) {
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for(chunk in sub.chunks) {
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if(chunk.label==label)
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return chunk
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}
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}
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throw NoSuchElementException("no chunk with label '$label'")
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}
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fun addGlobalInits(chunk: IRCodeChunk) {
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globalInits += chunk
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