1 /*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
33 import org.graalvm.compiler.nodes.spi.Lowerable;
34 import org.graalvm.compiler.nodes.spi.LoweringTool;
35
36 @NodeInfo(cycles = CYCLES_40, size = SIZE_2)
37 public abstract class IntegerDivRemNode extends FixedBinaryNode implements Lowerable {
38
39 public static final NodeClass<IntegerDivRemNode> TYPE = NodeClass.create(IntegerDivRemNode.class);
40
41 public enum Op {
42 DIV,
43 REM
44 }
45
46 public enum Type {
47 SIGNED,
48 UNSIGNED
49 }
50
51 private final Op op;
52 private final Type type;
53
54 protected IntegerDivRemNode(NodeClass<? extends IntegerDivRemNode> c, Stamp stamp, Op op, Type type, ValueNode x, ValueNode y) {
55 super(c, stamp, x, y);
56 this.op = op;
57 this.type = type;
58 }
59
60 public final Op getOp() {
61 return op;
62 }
63
64 public final Type getType() {
65 return type;
66 }
67
68 @Override
69 public void lower(LoweringTool tool) {
70 tool.getLowerer().lower(this, tool);
71 }
72
73 @Override
74 public boolean canDeoptimize() {
75 return !(getY().stamp() instanceof IntegerStamp) || ((IntegerStamp) getY().stamp()).contains(0);
76 }
77 }
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1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
33 import org.graalvm.compiler.nodes.spi.Lowerable;
34 import org.graalvm.compiler.nodes.spi.LoweringTool;
35
36 @NodeInfo(cycles = CYCLES_40, size = SIZE_2)
37 public abstract class IntegerDivRemNode extends FixedBinaryNode implements Lowerable {
38
39 public static final NodeClass<IntegerDivRemNode> TYPE = NodeClass.create(IntegerDivRemNode.class);
40
41 public enum Op {
42 DIV,
43 REM
44 }
45
46 public enum Type {
47 SIGNED,
48 UNSIGNED
49 }
50
51 private final Op op;
52 private final Type type;
53 private final boolean canDeopt;
54
55 protected IntegerDivRemNode(NodeClass<? extends IntegerDivRemNode> c, Stamp stamp, Op op, Type type, ValueNode x, ValueNode y) {
56 super(c, stamp, x, y);
57 this.op = op;
58 this.type = type;
59
60 // Assigning canDeopt during constructor, because it must never change during lifetime of
61 // the node.
62 this.canDeopt = ((IntegerStamp) getY().stamp()).contains(0);
63 }
64
65 public final Op getOp() {
66 return op;
67 }
68
69 public final Type getType() {
70 return type;
71 }
72
73 @Override
74 public void lower(LoweringTool tool) {
75 tool.getLowerer().lower(this, tool);
76 }
77
78 @Override
79 public boolean canDeoptimize() {
80 return canDeopt;
81 }
82 }
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