changeset 22314:bcbb9745d795

Pull NamedLocationIdentity back into Graal
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 23 Jul 2015 14:20:16 -0700
parents baa6dc00fd5c
children 43b6f2fd05a1
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotHostForeignCallsProvider.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/UnsafeArrayCopySnippets.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/NamedLocationIdentity.java graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/memory/ReadNode.java graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DefaultJavaLoweringProvider.java graal/com.oracle.graal.virtual/src/com/oracle/graal/virtual/phases/ea/PEReadEliminationClosure.java jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/LocationIdentity.java jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/NamedLocationIdentity.java
diffstat 10 files changed, 162 insertions(+), 147 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotHostForeignCallsProvider.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotHostForeignCallsProvider.java	Thu Jul 23 14:20:16 2015 -0700
@@ -41,10 +41,10 @@
 import static com.oracle.graal.hotspot.stubs.NewInstanceStub.*;
 import static com.oracle.graal.hotspot.stubs.StubUtil.*;
 import static com.oracle.graal.hotspot.stubs.UnwindExceptionToCallerStub.*;
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 import static com.oracle.graal.nodes.java.ForeignCallDescriptors.*;
 import static com.oracle.graal.replacements.Log.*;
 import static jdk.internal.jvmci.code.CallingConvention.Type.*;
-import static jdk.internal.jvmci.meta.LocationIdentity.*;
 
 import java.util.*;
 
@@ -55,6 +55,7 @@
 
 import com.oracle.graal.hotspot.*;
 import com.oracle.graal.hotspot.stubs.*;
+import com.oracle.graal.nodes.*;
 import com.oracle.graal.word.*;
 
 /**
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/LoadJavaMirrorWithKlassPhase.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,13 +22,13 @@
  */
 package com.oracle.graal.hotspot.phases;
 
+import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
+import static com.oracle.graal.nodes.ConstantNode.*;
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 import jdk.internal.jvmci.common.*;
 import jdk.internal.jvmci.hotspot.*;
-import jdk.internal.jvmci.hotspot.HotSpotVMConfig.*;
+import jdk.internal.jvmci.hotspot.HotSpotVMConfig.CompressEncoding;
 import jdk.internal.jvmci.meta.*;
-import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
-import static com.oracle.graal.nodes.ConstantNode.*;
-import static jdk.internal.jvmci.meta.LocationIdentity.*;
 
 import com.oracle.graal.compiler.common.type.*;
 import com.oracle.graal.hotspot.nodes.*;
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/UnsafeArrayCopySnippets.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/arraycopy/UnsafeArrayCopySnippets.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,18 +22,19 @@
  */
 package com.oracle.graal.hotspot.replacements.arraycopy;
 
-import jdk.internal.jvmci.code.*;
-import jdk.internal.jvmci.meta.*;
 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 import static com.oracle.graal.nodes.extended.BranchProbabilityNode.*;
 import static com.oracle.graal.replacements.SnippetTemplate.*;
-import static jdk.internal.jvmci.meta.LocationIdentity.*;
+import jdk.internal.jvmci.code.*;
+import jdk.internal.jvmci.meta.*;
 
 import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.asm.*;
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.hotspot.phases.*;
+import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.replacements.*;
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/UncommonTrapStub.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,12 +22,12 @@
  */
 package com.oracle.graal.hotspot.stubs;
 
+import static com.oracle.graal.hotspot.HotSpotBackend.*;
+import static com.oracle.graal.hotspot.HotSpotBackend.Options.*;
+import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
 import jdk.internal.jvmci.code.*;
 import jdk.internal.jvmci.common.*;
 import jdk.internal.jvmci.meta.*;
-import static com.oracle.graal.hotspot.HotSpotBackend.*;
-import static com.oracle.graal.hotspot.HotSpotBackend.Options.*;
-import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
 
 import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.asm.*;
@@ -36,6 +36,7 @@
 import com.oracle.graal.hotspot.*;
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.hotspot.nodes.*;
+import com.oracle.graal.nodes.*;
 import com.oracle.graal.replacements.*;
 import com.oracle.graal.replacements.Snippet.ConstantParameter;
 import com.oracle.graal.word.*;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/NamedLocationIdentity.java	Thu Jul 23 14:20:16 2015 -0700
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.nodes;
+
+import java.util.*;
+
+import jdk.internal.jvmci.meta.*;
+import jdk.internal.jvmci.meta.Kind.FormatWithToString;
+
+/**
+ * A {@link LocationIdentity} with a name.
+ */
+public class NamedLocationIdentity extends LocationIdentity implements FormatWithToString {
+
+    /**
+     * Map for asserting all {@link NamedLocationIdentity} instances have a unique name.
+     */
+    static class DB {
+        private static final HashSet<String> map = new HashSet<>();
+
+        static boolean checkUnique(String name) {
+            if (!map.add(name)) {
+                throw new AssertionError("identity " + name + " already exists");
+            }
+            return true;
+        }
+    }
+
+    /**
+     * Denotes the location of a value that is guaranteed to be unchanging.
+     */
+    public static final LocationIdentity FINAL_LOCATION = NamedLocationIdentity.immutable("FINAL_LOCATION");
+
+    /**
+     * Denotes the location of the length field of a Java array.
+     */
+    public static final LocationIdentity ARRAY_LENGTH_LOCATION = NamedLocationIdentity.immutable("[].length");
+
+    public static LocationIdentity any() {
+        return ANY_LOCATION;
+    }
+
+    private final String name;
+    private final boolean immutable;
+
+    protected NamedLocationIdentity(String name, boolean immutable) {
+        this.name = name;
+        this.immutable = immutable;
+        assert DB.checkUnique(name);
+    }
+
+    /**
+     * Creates a named unique location identity for read and write operations against mutable
+     * memory.
+     *
+     * @param name the name of the new location identity
+     */
+    public static NamedLocationIdentity mutable(String name) {
+        return create(name, false);
+    }
+
+    /**
+     * Creates a named unique location identity for read operations against immutable memory.
+     * Immutable memory will never have a visible write in the graph, which is more restictive than
+     * Java final.
+     *
+     * @param name the name of the new location identity
+     */
+    public static NamedLocationIdentity immutable(String name) {
+        return create(name, true);
+    }
+
+    /**
+     * Creates a named unique location identity for read and write operations.
+     *
+     * @param name the name of the new location identity
+     * @param immutable true if the location is immutable
+     */
+    private static NamedLocationIdentity create(String name, boolean immutable) {
+        return new NamedLocationIdentity(name, immutable);
+    }
+
+    @Override
+    public boolean isImmutable() {
+        return immutable;
+    }
+
+    @Override
+    public String toString() {
+        return name + (isImmutable() ? ":final" : "");
+    }
+
+    /**
+     * Returns the named location identity for an array of the given element kind. Array accesses of
+     * the same kind must have the same location identity unless an alias analysis guarantees that
+     * two distinct arrays are accessed.
+     */
+    public static LocationIdentity getArrayLocation(Kind elementKind) {
+        return ARRAY_LOCATIONS.get(elementKind);
+    }
+
+    private static final EnumMap<Kind, LocationIdentity> ARRAY_LOCATIONS = initArrayLocations();
+
+    private static EnumMap<Kind, LocationIdentity> initArrayLocations() {
+        EnumMap<Kind, LocationIdentity> result = new EnumMap<>(Kind.class);
+        for (Kind kind : Kind.values()) {
+            result.put(kind, NamedLocationIdentity.mutable("Array: " + kind.getJavaName()));
+        }
+        return result;
+    }
+}
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/memory/ReadNode.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/memory/ReadNode.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,6 +22,7 @@
  */
 package com.oracle.graal.nodes.memory;
 
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 import jdk.internal.jvmci.common.*;
 import jdk.internal.jvmci.meta.*;
 
@@ -126,7 +127,7 @@
                     return ConstantNode.forConstant(read.stamp(), constant, metaAccess);
                 }
             }
-            if (locationIdentity.equals(LocationIdentity.ARRAY_LENGTH_LOCATION)) {
+            if (locationIdentity.equals(ARRAY_LENGTH_LOCATION)) {
                 ValueNode length = GraphUtil.arrayLength(object);
                 if (length != null) {
                     // TODO Does this need a PiCastNode to the positive range?
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DefaultJavaLoweringProvider.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/DefaultJavaLoweringProvider.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,11 +22,11 @@
  */
 package com.oracle.graal.replacements;
 
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 import static com.oracle.graal.nodes.java.ArrayLengthNode.*;
 import static jdk.internal.jvmci.code.MemoryBarriers.*;
 import static jdk.internal.jvmci.meta.DeoptimizationAction.*;
 import static jdk.internal.jvmci.meta.DeoptimizationReason.*;
-import static jdk.internal.jvmci.meta.LocationIdentity.*;
 
 import java.util.*;
 
--- a/graal/com.oracle.graal.virtual/src/com/oracle/graal/virtual/phases/ea/PEReadEliminationClosure.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/graal/com.oracle.graal.virtual/src/com/oracle/graal/virtual/phases/ea/PEReadEliminationClosure.java	Thu Jul 23 14:20:16 2015 -0700
@@ -22,7 +22,7 @@
  */
 package com.oracle.graal.virtual.phases.ea;
 
-import static jdk.internal.jvmci.meta.LocationIdentity.*;
+import static com.oracle.graal.nodes.NamedLocationIdentity.*;
 
 import java.util.*;
 
--- a/jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/LocationIdentity.java	Thu Jul 23 15:59:59 2015 +0200
+++ b/jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/LocationIdentity.java	Thu Jul 23 14:20:16 2015 -0700
@@ -27,9 +27,8 @@
 // JaCoCo Exclude
 
 /**
- * Marker interface for location identities. Apart from the special values {@link #ANY_LOCATION} and
- * {@link #FINAL_LOCATION}, a different location identity of two memory accesses guarantees that the
- * two accesses do not interfere.
+ * Marker interface for location identities. A different location identity of two memory accesses
+ * guarantees that the two accesses do not interfere.
  *
  * Clients of {@link LocationIdentity} must use {@link #equals(Object)}, not {@code ==}, when
  * comparing two {@link LocationIdentity} values for equality. Likewise, they must not use
@@ -37,22 +36,19 @@
  */
 public abstract class LocationIdentity {
 
-    /**
-     * Denotes any location. A write to such a location kills all values in a memory map during an
-     * analysis of memory accesses. A read from this location cannot be moved or coalesced with
-     * other reads because its interaction with other reads is not known.
-     */
-    private static final LocationIdentity ANY_LOCATION = NamedLocationIdentity.mutable("ANY_LOCATION");
+    private static final class AnyLocationIdentity extends LocationIdentity {
+        @Override
+        public boolean isImmutable() {
+            return false;
+        }
 
-    /**
-     * Denotes the location of a value that is guaranteed to be unchanging.
-     */
-    public static final LocationIdentity FINAL_LOCATION = NamedLocationIdentity.immutable("FINAL_LOCATION");
+        @Override
+        public String toString() {
+            return "ANY_LOCATION";
+        }
+    }
 
-    /**
-     * Denotes the location of the length field of a Java array.
-     */
-    public static final LocationIdentity ARRAY_LENGTH_LOCATION = NamedLocationIdentity.immutable("[].length");
+    public static final LocationIdentity ANY_LOCATION = new AnyLocationIdentity();
 
     public static LocationIdentity any() {
         return ANY_LOCATION;
--- a/jvmci/jdk.internal.jvmci.meta/src/jdk/internal/jvmci/meta/NamedLocationIdentity.java	Thu Jul 23 15:59:59 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,116 +0,0 @@
-/*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package jdk.internal.jvmci.meta;
-
-import java.util.*;
-
-import jdk.internal.jvmci.meta.Kind.*;
-
-/**
- * A {@link LocationIdentity} with a name.
- */
-public class NamedLocationIdentity extends LocationIdentity implements FormatWithToString {
-
-    /**
-     * Map for asserting all {@link NamedLocationIdentity} instances have a unique name.
-     */
-    static class DB {
-        private static final HashSet<String> map = new HashSet<>();
-
-        static boolean checkUnique(String name) {
-            if (!map.add(name)) {
-                throw new AssertionError("identity " + name + " already exists");
-            }
-            return true;
-        }
-    }
-
-    private final String name;
-    private final boolean immutable;
-
-    protected NamedLocationIdentity(String name, boolean immutable) {
-        this.name = name;
-        this.immutable = immutable;
-        assert DB.checkUnique(name);
-    }
-
-    /**
-     * Creates a named unique location identity for read and write operations against mutable
-     * memory.
-     *
-     * @param name the name of the new location identity
-     */
-    public static NamedLocationIdentity mutable(String name) {
-        return create(name, false);
-    }
-
-    /**
-     * Creates a named unique location identity for read operations against immutable memory.
-     * Immutable memory will never have a visible write in the graph, which is more restictive than
-     * Java final.
-     *
-     * @param name the name of the new location identity
-     */
-    public static NamedLocationIdentity immutable(String name) {
-        return create(name, true);
-    }
-
-    /**
-     * Creates a named unique location identity for read and write operations.
-     *
-     * @param name the name of the new location identity
-     * @param immutable true if the location is immutable
-     */
-    private static NamedLocationIdentity create(String name, boolean immutable) {
-        return new NamedLocationIdentity(name, immutable);
-    }
-
-    @Override
-    public boolean isImmutable() {
-        return immutable;
-    }
-
-    @Override
-    public String toString() {
-        return name + (isImmutable() ? ":final" : "");
-    }
-
-    /**
-     * Returns the named location identity for an array of the given element kind. Array accesses of
-     * the same kind must have the same location identity unless an alias analysis guarantees that
-     * two distinct arrays are accessed.
-     */
-    public static LocationIdentity getArrayLocation(Kind elementKind) {
-        return ARRAY_LOCATIONS.get(elementKind);
-    }
-
-    private static final EnumMap<Kind, LocationIdentity> ARRAY_LOCATIONS = initArrayLocations();
-
-    private static EnumMap<Kind, LocationIdentity> initArrayLocations() {
-        EnumMap<Kind, LocationIdentity> result = new EnumMap<>(Kind.class);
-        for (Kind kind : Kind.values()) {
-            result.put(kind, NamedLocationIdentity.mutable("Array: " + kind.getJavaName()));
-        }
-        return result;
-    }
-}