org.jetbrains.kotlin.codegen.intrinsics.BinaryOp.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
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package org.jetbrains.kotlin.codegen.intrinsics
import org.jetbrains.kotlin.codegen.AsmUtil.numberFunctionOperandType
import org.jetbrains.kotlin.codegen.Callable
import org.jetbrains.kotlin.codegen.CallableMethod
import org.jetbrains.kotlin.codegen.StackValue
import org.jetbrains.org.objectweb.asm.Opcodes.ISHL
import org.jetbrains.org.objectweb.asm.Opcodes.ISHR
import org.jetbrains.org.objectweb.asm.Opcodes.IUSHR
import org.jetbrains.org.objectweb.asm.Type
class BinaryOp(private val opcode: Int) : IntrinsicMethod() {
private fun shift(): Boolean =
opcode == ISHL || opcode == ISHR || opcode == IUSHR
override fun toCallable(method: CallableMethod): Callable {
val returnType = method.returnType
assert(method.getValueParameters().size == 1)
val arg0Type: Type
val arg1Type: Type
val intermediateResultType: Type
if (method.owner != Type.CHAR_TYPE) {
intermediateResultType = numberFunctionOperandType(returnType)
arg0Type = intermediateResultType
arg1Type = if (shift()) Type.INT_TYPE else arg0Type
}
else {
arg0Type = Type.CHAR_TYPE
arg1Type = method.getValueParameters()[0].asmType
intermediateResultType = numberFunctionOperandType(returnType)
}
return createBinaryIntrinsicCallable(returnType, arg1Type, arg0Type) { v ->
v.visitInsn(returnType.getOpcode(opcode))
StackValue.coerce(intermediateResultType, returnType, v)
}
}
}