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comparison graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/IntegerMulNode.java @ 11883:673f93db4adc

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Wed, 02 Oct 2013 21:40:29 +0200
parents da9db8331658 04b039d82e86
children 34c07ef28bc9
comparison
equal deleted inserted replaced
11882:51059863da73 11883:673f93db4adc
35 public IntegerMulNode(Kind kind, ValueNode x, ValueNode y) { 35 public IntegerMulNode(Kind kind, ValueNode x, ValueNode y) {
36 super(kind, x, y); 36 super(kind, x, y);
37 } 37 }
38 38
39 @Override 39 @Override
40 public Constant evalConst(Constant... inputs) {
41 assert inputs.length == 2;
42 return Constant.forIntegerKind(kind(), inputs[0].asLong() * inputs[1].asLong(), null);
43 }
44
45 @Override
40 public Node canonical(CanonicalizerTool tool) { 46 public Node canonical(CanonicalizerTool tool) {
41 if (x().isConstant() && !y().isConstant()) { 47 if (x().isConstant() && !y().isConstant()) {
42 return graph().unique(new IntegerMulNode(kind(), y(), x())); 48 return graph().unique(new IntegerMulNode(kind(), y(), x()));
43 } 49 }
44 if (x().isConstant()) { 50 if (x().isConstant()) {
45 if (kind() == Kind.Int) { 51 return ConstantNode.forPrimitive(evalConst(x().asConstant(), y().asConstant()), graph());
46 return ConstantNode.forInt(x().asConstant().asInt() * y().asConstant().asInt(), graph());
47 } else {
48 assert kind() == Kind.Long;
49 return ConstantNode.forLong(x().asConstant().asLong() * y().asConstant().asLong(), graph());
50 }
51 } else if (y().isConstant()) { 52 } else if (y().isConstant()) {
52 long c = y().asConstant().asLong(); 53 long c = y().asConstant().asLong();
53 if (c == 1) { 54 if (c == 1) {
54 return x(); 55 return x();
55 } 56 }