Mercurial > hg > truffle
annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NormalizeCompareNode.java @ 19526:8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Fri, 20 Feb 2015 22:22:55 +0100 |
parents | 61d3cb8e1280 |
children | 48c1ebd24120 |
rev | line source |
---|---|
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
1 /* |
16217
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
4 * |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
8 * |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
13 * accompanied this code). |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
14 * |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
18 * |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
21 * questions. |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
22 */ |
5060
4ed4295ce15f
Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5059
diff
changeset
|
23 package com.oracle.graal.nodes.calc; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
24 |
5507
dc71b06d09f8
Moving classes from cri.ri to api.meta.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5504
diff
changeset
|
25 import com.oracle.graal.api.meta.*; |
19379
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
26 import com.oracle.graal.compiler.common.calc.*; |
15261
882f4cb7cfcf
Move Stamps to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents:
14906
diff
changeset
|
27 import com.oracle.graal.compiler.common.type.*; |
19396
7e2c87dae93e
Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19379
diff
changeset
|
28 import com.oracle.graal.graph.*; |
16217
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
29 import com.oracle.graal.graph.spi.*; |
16841
cbd42807a31f
moved NodeInfo and friends into separate com.oracle.graal.nodeinfo project so that annotation processor can be applied to the base Node class
Doug Simon <doug.simon@oracle.com>
parents:
16822
diff
changeset
|
30 import com.oracle.graal.nodeinfo.*; |
5060
4ed4295ce15f
Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5059
diff
changeset
|
31 import com.oracle.graal.nodes.*; |
4ed4295ce15f
Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5059
diff
changeset
|
32 import com.oracle.graal.nodes.spi.*; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
33 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
34 /** |
14906 | 35 * Returns -1, 0, or 1 if either x < y, x == y, or x > y. If the comparison is undecided (one |
36 * of the inputs is NaN), the result is 1 if isUnorderedLess is false and -1 if isUnorderedLess is | |
37 * true. | |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
38 */ |
16822
5d468add216f
added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents:
16217
diff
changeset
|
39 @NodeInfo |
19396
7e2c87dae93e
Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19379
diff
changeset
|
40 public final class NormalizeCompareNode extends BinaryNode implements Lowerable { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7098
diff
changeset
|
41 |
19526
8fc336a04d77
Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19403
diff
changeset
|
42 public static final NodeClass<NormalizeCompareNode> TYPE = NodeClass.create(NormalizeCompareNode.class); |
17328
c9bb0da795d4
Backed out of changeset 17322:655f3e6b467b
Doug Simon <doug.simon@oracle.com>
parents:
17327
diff
changeset
|
43 protected final boolean isUnorderedLess; |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
44 |
18845
f57d86eb036f
removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents:
17450
diff
changeset
|
45 public NormalizeCompareNode(ValueNode x, ValueNode y, boolean isUnorderedLess) { |
19396
7e2c87dae93e
Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19379
diff
changeset
|
46 super(TYPE, StampFactory.forKind(Kind.Int), x, y); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
47 this.isUnorderedLess = isUnorderedLess; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
48 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
49 |
19379
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
50 public static ValueNode create(ValueNode x, ValueNode y, boolean isUnorderedLess, ConstantReflectionProvider constantReflection) { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
51 LogicNode result = CompareNode.tryConstantFold(Condition.EQ, x, y, constantReflection, false); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
52 if (result instanceof LogicConstantNode) { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
53 LogicConstantNode logicConstantNode = (LogicConstantNode) result; |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
54 LogicNode resultLT = CompareNode.tryConstantFold(Condition.LT, x, y, constantReflection, isUnorderedLess); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
55 if (resultLT instanceof LogicConstantNode) { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
56 LogicConstantNode logicConstantNodeLT = (LogicConstantNode) resultLT; |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
57 if (logicConstantNodeLT.getValue()) { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
58 return ConstantNode.forInt(-1); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
59 } else if (logicConstantNode.getValue()) { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
60 return ConstantNode.forInt(0); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
61 } else { |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
62 return ConstantNode.forInt(1); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
63 } |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
64 } |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
65 } |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
66 |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
67 return new NormalizeCompareNode(x, y, isUnorderedLess); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
68 } |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
69 |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
70 @Override |
16217
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
71 public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) { |
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
72 // nothing to do |
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
73 return this; |
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
74 } |
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
75 |
561070049e73
implement Canonicalizable.Binary in the BinaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents:
16207
diff
changeset
|
76 @Override |
11579
ae619d70bf4b
Rename LoweringType to GuardsPhase and make it an attribute of StructuredGraphs
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
9602
diff
changeset
|
77 public void lower(LoweringTool tool) { |
7767
4a6646d8eb87
separate BooleanNode and ConstantNode hierarchy, rename BooleanNode to LogicNode and LogicNode to BitLogicNode
Lukas Stadler <lukas.stadler@jku.at>
parents:
7724
diff
changeset
|
78 LogicNode equalComp; |
4a6646d8eb87
separate BooleanNode and ConstantNode hierarchy, rename BooleanNode to LogicNode and LogicNode to BitLogicNode
Lukas Stadler <lukas.stadler@jku.at>
parents:
7724
diff
changeset
|
79 LogicNode lessComp; |
16207
df6f2365b153
rename of x() to getX(), y() to getY() and object() to getValue()
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15261
diff
changeset
|
80 if (getX().stamp() instanceof FloatStamp) { |
19116
7227f5671c87
Prototype for folding object equality at parse time.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18845
diff
changeset
|
81 equalComp = graph().unique(FloatEqualsNode.create(getX(), getY(), tool.getConstantReflection())); |
19379
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
82 lessComp = graph().unique(FloatLessThanNode.create(getX(), getY(), isUnorderedLess, tool.getConstantReflection())); |
5425
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5299
diff
changeset
|
83 } else { |
19379
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
84 equalComp = graph().unique(IntegerEqualsNode.create(getX(), getY(), tool.getConstantReflection())); |
b720a1e02fa0
Add graph building time canonicalization for NormalizeCompareNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
19116
diff
changeset
|
85 lessComp = graph().unique(IntegerLessThanNode.create(getX(), getY(), tool.getConstantReflection())); |
5425
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5299
diff
changeset
|
86 } |
0364a2a874b8
changes towards a canonical representation of comparisons:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5299
diff
changeset
|
87 |
18845
f57d86eb036f
removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents:
17450
diff
changeset
|
88 ConditionalNode equalValue = graph().unique(new ConditionalNode(equalComp, ConstantNode.forInt(0, graph()), ConstantNode.forInt(1, graph()))); |
f57d86eb036f
removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents:
17450
diff
changeset
|
89 ConditionalNode value = graph().unique(new ConditionalNode(lessComp, ConstantNode.forInt(-1, graph()), equalValue)); |
4550
e065aa86d077
Lower NormalizeCompareNode in the front end to avoid LIR operation.
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents:
4199
diff
changeset
|
90 |
9602
19c5a07c7843
Introduce a graph() method that returns a StructuredGraph, to make many explicit casts unnecessary
Christian Wimmer <christian.wimmer@oracle.com>
parents:
9251
diff
changeset
|
91 graph().replaceFloating(this, value); |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
92 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
93 } |