push,pushw,pop and popw are no longer built-in functions but regular routines in sys

This commit is contained in:
Irmen de Jong
2023-12-26 14:47:31 +01:00
parent 38a22fbc99
commit 0d44492086
23 changed files with 243 additions and 146 deletions
@@ -20,10 +20,6 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
"sqrt__ubyte", "sqrt__uword", "sqrt__float" -> funcSqrt(call)
"divmod__ubyte" -> funcDivmod(call, IRDataType.BYTE)
"divmod__uword" -> funcDivmod(call, IRDataType.WORD)
"pop" -> funcPop(call)
"popw" -> funcPopw(call)
"push" -> funcPush(call)
"pushw" -> funcPushw(call)
"rsave", "rrestore" -> ExpressionCodeResult.EMPTY // vm doesn't have registers to save/restore
"callfar" -> funcCallfar(call)
"call" -> funcCall(call)
@@ -278,44 +274,6 @@ internal class BuiltinFuncGen(private val codeGen: IRCodeGen, private val exprGe
}
}
private fun funcPop(call: PtBuiltinFunctionCall): ExpressionCodeResult {
val code = IRCodeChunk(null, null)
val reg = codeGen.registers.nextFree()
code += IRInstruction(Opcode.POP, IRDataType.BYTE, reg1=reg)
val result = mutableListOf<IRCodeChunkBase>(code)
result += assignRegisterTo(call.args.single(), reg)
return ExpressionCodeResult(result, IRDataType.BYTE, reg, -1)
}
private fun funcPopw(call: PtBuiltinFunctionCall): ExpressionCodeResult {
val code = IRCodeChunk(null, null)
val reg = codeGen.registers.nextFree()
code += IRInstruction(Opcode.POP, IRDataType.WORD, reg1=reg)
val result = mutableListOf<IRCodeChunkBase>(code)
result += assignRegisterTo(call.args.single(), reg)
return ExpressionCodeResult(result, IRDataType.WORD, reg, -1)
}
private fun funcPush(call: PtBuiltinFunctionCall): ExpressionCodeResult {
val result = mutableListOf<IRCodeChunkBase>()
val tr = exprGen.translateExpression(call.args.single())
addToResult(result, tr, tr.resultReg, -1)
result += IRCodeChunk(null, null).also {
it += IRInstruction(Opcode.PUSH, IRDataType.BYTE, reg1=tr.resultReg)
}
return ExpressionCodeResult(result, IRDataType.BYTE, -1, -1)
}
private fun funcPushw(call: PtBuiltinFunctionCall): ExpressionCodeResult {
val result = mutableListOf<IRCodeChunkBase>()
val tr = exprGen.translateExpression(call.args.single())
addToResult(result, tr, tr.resultReg, -1)
result += IRCodeChunk(null, null).also {
it += IRInstruction(Opcode.PUSH, IRDataType.WORD, reg1 = tr.resultReg)
}
return ExpressionCodeResult(result, IRDataType.BYTE, -1, -1)
}
private fun funcReverse(call: PtBuiltinFunctionCall): ExpressionCodeResult {
val arrayName = call.args[0] as PtIdentifier
val arrayLength = codeGen.symbolTable.getLength(arrayName.name)