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BinaryOperation.java
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BinaryOperation.java
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/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Common Public License (CPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/cpl1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.mmtk.harness.lang.pcode;
import org.mmtk.harness.lang.Env;
import org.mmtk.harness.lang.ast.AST;
import org.mmtk.harness.lang.ast.Operator;
import org.mmtk.harness.lang.compiler.Register;
import org.mmtk.harness.lang.runtime.StackFrame;
/**
* An arithmetic/logical operation with 2 operands.
*/
public final class BinaryOperation extends BinaryOp {
/** The operator */
public final Operator op;
/** The operation resultTemp <- op1 `op` op2 */
public BinaryOperation(AST source, Register resultTemp, Register op1, Register op2, Operator op) {
super(source, op.toString(),resultTemp, op1, op2);
this.op = op;
}
@Override
public void exec(Env env) {
StackFrame frame = env.top();
setResult(frame, op.operate(frame.get(op1),frame.get(op2)));
}
@Override
public String toString() {
return String.format("t%d <- t%d %s t%d", getResult(), op1, name, op2);
}
}