Mercurial > hg > graal-compiler

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/NegateNode.java @ 17418:393fe459eadc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't cache op field in arithmetic nodes.
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 13 Oct 2014 15:36:11 +0200
parents 845e881ce054
children 83c3dd41ca64
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1 /*
16216
388b787a5fe6 implement Canonicalizable.Unary in the UnaryNode 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
17197
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
25 import com.oracle.graal.compiler.common.type.*;
11881
da9db8331658 moved Canonicalizable and Simplifiable to the com.oracle.graal.graph project (GRAAL-506)
Doug Simon <doug.simon@oracle.com>
parents: 11880
diff changeset
26 import com.oracle.graal.graph.spi.*;
15299
60406b8d6ad1 Move ArithmeticLIRGenerator to graal.lir (errors).
Josef Eisl <josef.eisl@jku.at>
parents: 15193
diff changeset
27 import com.oracle.graal.lir.gen.*;
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: 16811
diff changeset
28 import com.oracle.graal.nodeinfo.*;
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
29 import com.oracle.graal.nodes.*;
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
30 import com.oracle.graal.nodes.spi.*;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
31
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
32 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
33 * The {@code NegateNode} node negates its operand.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
34 */
16811
5d468add216f added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents: 16216
diff changeset
35 @NodeInfo
17199
88012c1750a0 Move bit logic nodes into the arithmetic node hierarchies.
Roland Schatz <roland.schatz@oracle.com>
parents: 17197
diff changeset
36 public class NegateNode extends UnaryArithmeticNode implements NarrowableArithmeticNode {
5657
d71eb56d6bb0 new stamp inference in CanonicalizerPhase, IntegerStamp.mask
Lukas Stadler <lukas.stadler@jku.at>
parents: 5606
diff changeset
37
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
38 /**
5606
5ad40c8ba3ed add StampFactory.negate(IntegerStamp), use it for NegateNode
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5425
diff changeset
39 * Creates new NegateNode instance.
15130
ec22234bde0d Pass more restricted interfaces to ArithmeticLIRLowerable and LocationNode in LIR generation.
Roland Schatz <roland.schatz@oracle.com>
parents: 14950
diff changeset
40 *
16156
0993768dfc8e new UnaryNode base class
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15299
diff changeset
41 * @param value the instruction producing the value that is input to this instruction
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
42 */
16895
06c15e88d383 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
Doug Simon <doug.simon@oracle.com>
parents: 16841
diff changeset
43 public static NegateNode create(ValueNode value) {
17199
88012c1750a0 Move bit logic nodes into the arithmetic node hierarchies.
Roland Schatz <roland.schatz@oracle.com>
parents: 17197
diff changeset
44 return USE_GENERATED_NODES ? new NegateNodeGen(value) : new NegateNode(value);
17197
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
45 }
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
46
17306
845e881ce054 constructors in a Node class must be protected
Doug Simon <doug.simon@oracle.com>
parents: 17199
diff changeset
47 protected NegateNode(ValueNode value) {
17418
393fe459eadc Don't cache op field in arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 17306
diff changeset
48 super(ArithmeticOpTable::getNeg, value);
11851
04b039d82e86 Simplify constant folding.
Roland Schatz <roland.schatz@oracle.com>
parents: 11289
diff changeset
49 }
04b039d82e86 Simplify constant folding.
Roland Schatz <roland.schatz@oracle.com>
parents: 11289
diff changeset
50
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
51 @Override
16216
388b787a5fe6 implement Canonicalizable.Unary in the UnaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16207
diff changeset
52 public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
17199
88012c1750a0 Move bit logic nodes into the arithmetic node hierarchies.
Roland Schatz <roland.schatz@oracle.com>
parents: 17197
diff changeset
53 ValueNode ret = super.canonical(tool, forValue);
88012c1750a0 Move bit logic nodes into the arithmetic node hierarchies.
Roland Schatz <roland.schatz@oracle.com>
parents: 17197
diff changeset
54 if (ret != this) {
88012c1750a0 Move bit logic nodes into the arithmetic node hierarchies.
Roland Schatz <roland.schatz@oracle.com>
parents: 17197
diff changeset
55 return ret;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
56 }
16216
388b787a5fe6 implement Canonicalizable.Unary in the UnaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16207
diff changeset
57 if (forValue instanceof NegateNode) {
388b787a5fe6 implement Canonicalizable.Unary in the UnaryNode hierarchy
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16207
diff changeset
58 return ((NegateNode) forValue).getValue();
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
59 }
17197
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
60 if (forValue instanceof SubNode) {
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
61 SubNode sub = (SubNode) forValue;
ec35bb4eccb8 Add support for other data types to integer arithmetic nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 16919
diff changeset
62 return SubNode.create(sub.getY(), sub.getX());
9448
7b88c5e5cbd4 Add more canonicalizations for Compare and Negate nodes
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7530
diff changeset
63 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
64 return this;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
65 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
66
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
67 @Override
15130
ec22234bde0d Pass more restricted interfaces to ArithmeticLIRLowerable and LocationNode in LIR generation.
Roland Schatz <roland.schatz@oracle.com>
parents: 14950
diff changeset
68 public void generate(NodeMappableLIRBuilder builder, ArithmeticLIRGenerator gen) {
16156
0993768dfc8e new UnaryNode base class
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15299
diff changeset
69 builder.setResult(this, gen.emitNegate(builder.operand(getValue())));
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
70 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
71 }