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IR codegen

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Irmen de Jong
2024-02-05 01:32:18 +01:00
parent 41afeccd51
commit cd9119655c
5 changed files with 337 additions and 392 deletions
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8
codeGenIntermediate/src/prog8/codegen/intermediate/AssignmentGen.kt
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@ -116,7 +116,13 @@ internal class AssignmentGen(private val codeGen: IRCodeGen, private val express
when (operator) {
"-" -> addInstr(result, IRInstruction(Opcode.NEGM, vmDt, address = constAddress, labelSymbol = symbol), null)
"~" -> addInstr(result, IRInstruction(Opcode.INVM, vmDt, address = constAddress, labelSymbol = symbol), null)
// TODO: in boolean branch, how is 'not' handled here?
"not" -> {
val regMask = codeGen.registers.nextFree()
result += IRCodeChunk(null, null).also {
it += IRInstruction(Opcode.LOAD, vmDt, reg1=regMask, immediate = 1)
it += IRInstruction(Opcode.XORM, vmDt, reg1=regMask, address = constAddress, labelSymbol = symbol)
}
}
else -> throw AssemblyError("weird prefix operator")
}
}