# HG changeset patch # User Roland Schatz # Date 1395052812 -3600 # Node ID 570910f5412bb027db6154a961a2508b81a9f662 # Parent 883fbd3e06e0298ee3e58f005d9dfa78b4879833 Introduce Hotspot-specific NarrowOop kind. diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackendFactory.java --- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackendFactory.java Mon Mar 17 11:27:56 2014 +0100 +++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackendFactory.java Mon Mar 17 11:40:12 2014 +0100 @@ -89,7 +89,7 @@ final int stackFrameAlignment = 16; final int implicitNullCheckLimit = 4096; final boolean inlineObjects = true; - return new TargetDescription(createArchitecture(config), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + return new HotSpotTargetDescription(createArchitecture(config), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects, Kind.Int); } @Override diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRegisterConfig.java --- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRegisterConfig.java Mon Mar 17 11:27:56 2014 +0100 +++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRegisterConfig.java Mon Mar 17 11:40:12 2014 +0100 @@ -33,6 +33,7 @@ import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; +import com.oracle.graal.hotspot.nodes.type.*; public class AMD64HotSpotRegisterConfig implements RegisterConfig { @@ -61,9 +62,16 @@ return categorized.get(kind); } + PlatformKind primitiveKind; + if (kind == NarrowOopStamp.NarrowOop) { + primitiveKind = Kind.Int; + } else { + primitiveKind = kind; + } + ArrayList list = new ArrayList<>(); for (Register reg : getAllocatableRegisters()) { - if (architecture.canStoreValue(reg.getRegisterCategory(), kind)) { + if (architecture.canStoreValue(reg.getRegisterCategory(), primitiveKind)) { list.add(reg); } } diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot.hsail/src/com/oracle/graal/hotspot/hsail/HSAILHotSpotBackendFactory.java --- a/graal/com.oracle.graal.hotspot.hsail/src/com/oracle/graal/hotspot/hsail/HSAILHotSpotBackendFactory.java Mon Mar 17 11:27:56 2014 +0100 +++ b/graal/com.oracle.graal.hotspot.hsail/src/com/oracle/graal/hotspot/hsail/HSAILHotSpotBackendFactory.java Mon Mar 17 11:40:12 2014 +0100 @@ -62,7 +62,7 @@ final int stackFrameAlignment = 8; final int implicitNullCheckLimit = 0; final boolean inlineObjects = true; - return new TargetDescription(new HSAIL(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + return new HotSpotTargetDescription(new HSAIL(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects, Kind.Int); } public String getArchitecture() { diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot.ptx/src/com/oracle/graal/hotspot/ptx/PTXHotSpotBackendFactory.java --- a/graal/com.oracle.graal.hotspot.ptx/src/com/oracle/graal/hotspot/ptx/PTXHotSpotBackendFactory.java Mon Mar 17 11:27:56 2014 +0100 +++ b/graal/com.oracle.graal.hotspot.ptx/src/com/oracle/graal/hotspot/ptx/PTXHotSpotBackendFactory.java Mon Mar 17 11:40:12 2014 +0100 @@ -59,7 +59,7 @@ final int stackFrameAlignment = 1; final int implicitNullCheckLimit = 0; final boolean inlineObjects = true; - return new TargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + return new HotSpotTargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects, Kind.Int); } public String getArchitecture() { diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackendFactory.java --- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackendFactory.java Mon Mar 17 11:27:56 2014 +0100 +++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackendFactory.java Mon Mar 17 11:40:12 2014 +0100 @@ -42,7 +42,7 @@ final int stackFrameAlignment = 16; final int implicitNullCheckLimit = 4096; final boolean inlineObjects = true; - return new TargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); + return new HotSpotTargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects, Kind.Int); } public HotSpotBackend createBackend(HotSpotGraalRuntime runtime, HotSpotBackend host) { diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotTargetDescription.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotTargetDescription.java Mon Mar 17 11:40:12 2014 +0100 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2014, 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.hotspot; + +import com.oracle.graal.api.code.*; +import com.oracle.graal.api.meta.*; +import com.oracle.graal.hotspot.nodes.type.*; + +public class HotSpotTargetDescription extends TargetDescription { + + private final PlatformKind rawNarrowOopKind; + + public HotSpotTargetDescription(Architecture arch, boolean isMP, int stackAlignment, int implicitNullCheckLimit, boolean inlineObjects, PlatformKind rawNarrowOopKind) { + super(arch, isMP, stackAlignment, implicitNullCheckLimit, inlineObjects); + this.rawNarrowOopKind = rawNarrowOopKind; + } + + @Override + public int getSizeInBytes(PlatformKind kind) { + if (kind == NarrowOopStamp.NarrowOop) { + return super.getSizeInBytes(rawNarrowOopKind); + } else { + return super.getSizeInBytes(kind); + } + } +} diff -r 883fbd3e06e0 -r 570910f5412b graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/type/NarrowOopStamp.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/type/NarrowOopStamp.java Mon Mar 17 11:40:12 2014 +0100 @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2014, 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.hotspot.nodes.type; + +import com.oracle.graal.api.meta.*; +import com.oracle.graal.hotspot.HotSpotVMConfig.CompressEncoding; +import com.oracle.graal.nodes.spi.*; +import com.oracle.graal.nodes.type.*; + +public class NarrowOopStamp extends ObjectStamp { + + public static final PlatformKind NarrowOop = new PlatformKind() { + + public String name() { + return "NarrowOop"; + } + + @Override + public String toString() { + return name(); + } + }; + + private final CompressEncoding encoding; + + public NarrowOopStamp(ObjectStamp stamp, CompressEncoding encoding) { + this(stamp.type(), stamp.isExactType(), stamp.nonNull(), stamp.alwaysNull(), encoding); + } + + public NarrowOopStamp(ResolvedJavaType type, boolean exactType, boolean nonNull, boolean alwaysNull, CompressEncoding encoding) { + super(type, exactType, nonNull, alwaysNull); + this.encoding = encoding; + } + + public Stamp uncompressed() { + return new ObjectStamp(type(), isExactType(), nonNull(), alwaysNull()); + } + + public CompressEncoding getEncoding() { + return encoding; + } + + @Override + public Stamp unrestricted() { + return new NarrowOopStamp((ObjectStamp) super.unrestricted(), encoding); + } + + @Override + public Kind getStackKind() { + return Kind.NarrowOop; + } + + @Override + public PlatformKind getPlatformKind(LIRTypeTool tool) { + return NarrowOop; + } + + @Override + public String toString() { + StringBuilder str = new StringBuilder(); + str.append('n'); + str.append(super.toString()); + return str.toString(); + } + + @Override + public Stamp meet(Stamp otherStamp) { + if (this == otherStamp) { + return this; + } + if (otherStamp instanceof IllegalStamp) { + return otherStamp.meet(this); + } + if (!isCompatible(otherStamp)) { + return StampFactory.illegal(Kind.Illegal); + } + return new NarrowOopStamp((ObjectStamp) super.meet(otherStamp), encoding); + } + + @Override + public Stamp join(Stamp otherStamp) { + if (this == otherStamp) { + return this; + } + if (otherStamp instanceof IllegalStamp) { + return otherStamp.join(this); + } + if (!isCompatible(otherStamp)) { + return StampFactory.illegal(Kind.Illegal); + } + return new NarrowOopStamp((ObjectStamp) super.join(otherStamp), encoding); + } + + @Override + public boolean isCompatible(Stamp other) { + if (this == other) { + return true; + } + if (other instanceof NarrowOopStamp) { + NarrowOopStamp narrow = (NarrowOopStamp) other; + return encoding.equals(narrow.encoding); + } + return false; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = super.hashCode(); + result = prime * result + encoding.hashCode(); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj == null || getClass() != obj.getClass()) { + return false; + } + NarrowOopStamp other = (NarrowOopStamp) obj; + if (!encoding.equals(other.encoding)) { + return false; + } + return super.equals(other); + } +}