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Add more binary operators for constants in assembly

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This commit is contained in:
Karol Stasiak 2020-03-17 02:03:44 +01:00
parent 748aa0cf19
commit a527eea0fc
1 changed files with 26 additions and 0 deletions
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26
src/main/scala/millfork/env/Environment.scala vendored
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@ -901,10 +901,24 @@ class Environment(val parent: Option[Environment], val prefix: String, val cpuFa
constantOperationForAsm(MathOperator.Exor, params)
case "||" | "|" =>
constantOperationForAsm(MathOperator.Or, params)
case "/" =>
constantBinaryOperationForAsm("/", MathOperator.Divide, params)
case "%%" =>
constantBinaryOperationForAsm("%%", MathOperator.Modulo, params)
case ">>" =>
constantBinaryOperationForAsm(">>", MathOperator.Shr, params)
case "<<" =>
constantBinaryOperationForAsm("<<", MathOperator.Shl, params)
case "hi" =>
oneArgFunctionForAsm(_.hiByte, params)
case "lo" =>
oneArgFunctionForAsm(_.loByte, params)
case ">>>>" | ">>'" | "<<'" | ">" | "<" =>
log.error(s"Operator `$name` not supported in inline assembly", e.position)
None
case _ if name.endsWith("=") =>
log.error(s"Operator `$name` not supported in inline assembly", e.position)
None
case "nonet" | "sin" | "cos" | "tan" =>
log.error("Function not supported in inline assembly", e.position)
None
@ -914,6 +928,18 @@ class Environment(val parent: Option[Environment], val prefix: String, val cpuFa
}
}
private def constantBinaryOperationForAsm(symbol: String, op: MathOperator.Value, params: List[Expression]) = {
if (params.length != 2) {
log.error(s"Too many operands for the $symbol operator", params.head.position)
}
params.map(e => evalForAsm(e)).reduceLeft[Option[Constant]] { (oc, om) =>
for {
c <- oc
m <- om
} yield CompoundConstant(op, c, m)
}
}
private def constantOperationForAsm(op: MathOperator.Value, params: List[Expression]) = {
params.map(e => evalForAsm(e)).reduceLeft[Option[Constant]] { (oc, om) =>
for {