vm: add in-place bitwise or,and,xor

This commit is contained in:
Irmen de Jong
2022-05-20 19:43:21 +02:00
parent c9e8c7a290
commit 26ea1da146
6 changed files with 67 additions and 49 deletions
@@ -87,9 +87,9 @@ internal class AssignmentGen(private val codeGen: CodeGen, private val expressio
"-" -> return expressionEval.operatorMinusInplace(address, vmDt, operand)
"*" -> return expressionEval.operatorMultiplyInplace(address, vmDt, operand)
"/" -> return expressionEval.operatorDivideInplace(address, vmDt, signed, operand)
"|" -> { /* TODO */ }
"&" -> { /* TODO */ }
"^" -> { /* TODO */ }
"|" -> return expressionEval.operatorOrInplace(address, vmDt, operand)
"&" -> return expressionEval.operatorAndInplace(address, vmDt, operand)
"^" -> return expressionEval.operatorXorInplace(address, vmDt, operand)
else -> {}
}
return fallbackAssign(origAssign)
@@ -477,6 +477,14 @@ internal class ExpressionGen(private val codeGen: CodeGen) {
return code
}
internal fun operatorXorInplace(address: Int, vmDt: VmDataType, operand: PtExpression): VmCodeChunk {
val code = VmCodeChunk()
val operandReg = codeGen.vmRegisters.nextFree()
code += translateExpression(operand, operandReg, -1)
code += VmCodeInstruction(Opcode.XORM, vmDt, reg1=operandReg, value = address)
return code
}
private fun operatorAnd(binExpr: PtBinaryExpression, vmDt: VmDataType, resultRegister: Int): VmCodeChunk {
val code = VmCodeChunk()
val rightResultReg = codeGen.vmRegisters.nextFree()
@@ -486,6 +494,14 @@ internal class ExpressionGen(private val codeGen: CodeGen) {
return code
}
internal fun operatorAndInplace(address: Int, vmDt: VmDataType, operand: PtExpression): VmCodeChunk {
val code = VmCodeChunk()
val operandReg = codeGen.vmRegisters.nextFree()
code += translateExpression(operand, operandReg, -1)
code += VmCodeInstruction(Opcode.ANDM, vmDt, reg1=operandReg, value=address)
return code
}
private fun operatorOr(binExpr: PtBinaryExpression, vmDt: VmDataType, resultRegister: Int): VmCodeChunk {
val code = VmCodeChunk()
val rightResultReg = codeGen.vmRegisters.nextFree()
@@ -495,6 +511,14 @@ internal class ExpressionGen(private val codeGen: CodeGen) {
return code
}
internal fun operatorOrInplace(address: Int, vmDt: VmDataType, operand: PtExpression): VmCodeChunk {
val code = VmCodeChunk()
val operandReg = codeGen.vmRegisters.nextFree()
code += translateExpression(operand, operandReg, -1)
code += VmCodeInstruction(Opcode.ORM, vmDt, reg1=operandReg, value = address)
return code
}
private fun operatorModulo(binExpr: PtBinaryExpression, vmDt: VmDataType, resultRegister: Int): VmCodeChunk {
if(vmDt==VmDataType.FLOAT)
throw IllegalArgumentException("floating-point modulo not supported")