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comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/XorNode.java @ 16895:06c15e88d383

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added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
author Doug Simon <doug.simon@oracle.com>
date Mon, 18 Aug 2014 14:04:21 +0200
parents cbd42807a31f
children 0fe4732e5181
comparison
equal deleted inserted replaced
16894:cc7aaa92c27d 16895:06c15e88d383
33 import com.oracle.graal.nodes.util.*; 33 import com.oracle.graal.nodes.util.*;
34 34
35 @NodeInfo(shortName = "^") 35 @NodeInfo(shortName = "^")
36 public class XorNode extends BitLogicNode { 36 public class XorNode extends BitLogicNode {
37 37
38 public XorNode(ValueNode x, ValueNode y) { 38 public static XorNode create(ValueNode x, ValueNode y) {
39 return new XorNodeGen(x, y);
40 }
41
42 public static Class<? extends XorNode> getGenClass() {
43 return XorNodeGen.class;
44 }
45
46 protected XorNode(ValueNode x, ValueNode y) {
39 super(StampTool.xor(x.stamp(), y.stamp()), x, y); 47 super(StampTool.xor(x.stamp(), y.stamp()), x, y);
40 assert x.stamp().isCompatible(y.stamp()); 48 assert x.stamp().isCompatible(y.stamp());
41 } 49 }
42 50
43 @Override 51 @Override
55 public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { 63 public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
56 if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) { 64 if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) {
57 return ConstantNode.forIntegerStamp(stamp(), 0); 65 return ConstantNode.forIntegerStamp(stamp(), 0);
58 } 66 }
59 if (forX.isConstant() && !forY.isConstant()) { 67 if (forX.isConstant() && !forY.isConstant()) {
60 return new XorNode(forY, forX); 68 return XorNode.create(forY, forX);
61 } 69 }
62 if (forX.isConstant()) { 70 if (forX.isConstant()) {
63 return ConstantNode.forPrimitive(stamp(), evalConst(forX.asConstant(), forY.asConstant())); 71 return ConstantNode.forPrimitive(stamp(), evalConst(forX.asConstant(), forY.asConstant()));
64 } else if (forY.isConstant()) { 72 } else if (forY.isConstant()) {
65 long rawY = forY.asConstant().asLong(); 73 long rawY = forY.asConstant().asLong();
66 long mask = IntegerStamp.defaultMask(PrimitiveStamp.getBits(stamp())); 74 long mask = IntegerStamp.defaultMask(PrimitiveStamp.getBits(stamp()));
67 if ((rawY & mask) == 0) { 75 if ((rawY & mask) == 0) {
68 return forX; 76 return forX;
69 } else if ((rawY & mask) == mask) { 77 } else if ((rawY & mask) == mask) {
70 return new NotNode(forX); 78 return NotNode.create(forX);
71 } 79 }
72 return BinaryNode.reassociate(this, ValueNode.isConstantPredicate(), forX, forY); 80 return BinaryNode.reassociate(this, ValueNode.isConstantPredicate(), forX, forY);
73 } 81 }
74 return this; 82 return this;
75 } 83 }