src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerDivRemNode.java
author dlong
Fri, 01 Dec 2017 11:17:45 -0800
changeset 48190 25cfedf27edc
parent 47216 71c04702a3d5
child 48398 79afa4c434f6
permissions -rw-r--r--
8192814: Update Graal Reviewed-by: kvn
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     1
/*
46344
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
     2
 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     4
 *
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     7
 * published by the Free Software Foundation.
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     8
 *
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    13
 * accompanied this code).
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    14
 *
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    18
 *
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    21
 * questions.
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    22
 */
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    23
package org.graalvm.compiler.nodes.calc;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    24
46393
d497d892ab11 8178864: Update Graal
iveresov
parents: 46344
diff changeset
    25
import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_32;
d497d892ab11 8178864: Update Graal
iveresov
parents: 46344
diff changeset
    26
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    27
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    28
import org.graalvm.compiler.core.common.type.IntegerStamp;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    29
import org.graalvm.compiler.core.common.type.Stamp;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    30
import org.graalvm.compiler.graph.NodeClass;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    31
import org.graalvm.compiler.nodeinfo.NodeInfo;
48190
25cfedf27edc 8192814: Update Graal
dlong
parents: 47216
diff changeset
    32
import org.graalvm.compiler.nodes.NodeView;
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    33
import org.graalvm.compiler.nodes.ValueNode;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    34
import org.graalvm.compiler.nodes.spi.Lowerable;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    35
import org.graalvm.compiler.nodes.spi.LoweringTool;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    36
46393
d497d892ab11 8178864: Update Graal
iveresov
parents: 46344
diff changeset
    37
@NodeInfo(cycles = CYCLES_32, size = SIZE_1)
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    38
public abstract class IntegerDivRemNode extends FixedBinaryNode implements Lowerable {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    39
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    40
    public static final NodeClass<IntegerDivRemNode> TYPE = NodeClass.create(IntegerDivRemNode.class);
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    41
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    42
    public enum Op {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    43
        DIV,
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    44
        REM
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    45
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    46
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    47
    public enum Type {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    48
        SIGNED,
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    49
        UNSIGNED
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    50
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    51
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    52
    private final Op op;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    53
    private final Type type;
46344
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
    54
    private final boolean canDeopt;
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    55
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    56
    protected IntegerDivRemNode(NodeClass<? extends IntegerDivRemNode> c, Stamp stamp, Op op, Type type, ValueNode x, ValueNode y) {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    57
        super(c, stamp, x, y);
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    58
        this.op = op;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    59
        this.type = type;
46344
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
    60
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
    61
        // Assigning canDeopt during constructor, because it must never change during lifetime of
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
    62
        // the node.
48190
25cfedf27edc 8192814: Update Graal
dlong
parents: 47216
diff changeset
    63
        this.canDeopt = ((IntegerStamp) getY().stamp(NodeView.DEFAULT)).contains(0);
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    64
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    65
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    66
    public final Op getOp() {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    67
        return op;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    68
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    69
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    70
    public final Type getType() {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    71
        return type;
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    72
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    73
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    74
    @Override
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    75
    public void lower(LoweringTool tool) {
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    76
        tool.getLowerer().lower(this, tool);
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    77
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    78
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    79
    @Override
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    80
    public boolean canDeoptimize() {
46344
694c102fd8ed 8177046: Update Graal
iveresov
parents: 43972
diff changeset
    81
        return canDeopt;
43972
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    82
    }
1ade39b8381b 8174879: Rename jdk.vm.ci to jdk.internal.vm.ci
kvn
parents:
diff changeset
    83
}