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  */
  23 
  24 
  25 package org.graalvm.compiler.nodes.extended;
  26 


  27 import org.graalvm.compiler.graph.NodeClass;
  28 import org.graalvm.compiler.nodeinfo.NodeInfo;
  29 import org.graalvm.compiler.nodes.StateSplit;
  30 import org.graalvm.compiler.nodes.ValueNode;
  31 import org.graalvm.compiler.nodes.memory.AbstractWriteNode;
  32 import org.graalvm.compiler.nodes.memory.MemoryAccess;
  33 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint;
  34 import org.graalvm.compiler.nodes.memory.address.AddressNode;
  35 import org.graalvm.compiler.nodes.spi.Lowerable;
  36 import org.graalvm.compiler.nodes.spi.LoweringTool;
  37 import jdk.internal.vm.compiler.word.LocationIdentity;
  38 
  39 import jdk.vm.ci.meta.JavaKind;
  40 
  41 /**
  42  * Write a raw memory location according to Java field or array write semantics. It will perform
  43  * write barriers, implicit conversions and optionally oop compression.
  44  */
  45 @NodeInfo(nameTemplate = "JavaWrite#{p#location/s}")
  46 public final class JavaWriteNode extends AbstractWriteNode implements Lowerable, StateSplit, MemoryAccess, MemoryCheckpoint.Single {

  54         this.writeKind = writeKind;
  55         this.compressible = compressible;
  56     }
  57 
  58     @Override
  59     public void lower(LoweringTool tool) {
  60         tool.getLowerer().lower(this, tool);
  61     }
  62 
  63     @Override
  64     public boolean canNullCheck() {
  65         return true;
  66     }
  67 
  68     public JavaKind getWriteKind() {
  69         return writeKind;
  70     }
  71 
  72     public boolean isCompressible() {
  73         return compressible;





  74     }
  75 }

   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  */
  23 
  24 
  25 package org.graalvm.compiler.nodes.extended;
  26 
  27 import org.graalvm.compiler.core.common.type.Stamp;
  28 import org.graalvm.compiler.core.common.type.StampFactory;
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodes.StateSplit;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.memory.AbstractWriteNode;
  34 import org.graalvm.compiler.nodes.memory.MemoryAccess;
  35 import org.graalvm.compiler.nodes.memory.MemoryCheckpoint;
  36 import org.graalvm.compiler.nodes.memory.address.AddressNode;
  37 import org.graalvm.compiler.nodes.spi.Lowerable;
  38 import org.graalvm.compiler.nodes.spi.LoweringTool;
  39 import jdk.internal.vm.compiler.word.LocationIdentity;
  40 
  41 import jdk.vm.ci.meta.JavaKind;
  42 
  43 /**
  44  * Write a raw memory location according to Java field or array write semantics. It will perform
  45  * write barriers, implicit conversions and optionally oop compression.
  46  */
  47 @NodeInfo(nameTemplate = "JavaWrite#{p#location/s}")
  48 public final class JavaWriteNode extends AbstractWriteNode implements Lowerable, StateSplit, MemoryAccess, MemoryCheckpoint.Single {

  56         this.writeKind = writeKind;
  57         this.compressible = compressible;
  58     }
  59 
  60     @Override
  61     public void lower(LoweringTool tool) {
  62         tool.getLowerer().lower(this, tool);
  63     }
  64 
  65     @Override
  66     public boolean canNullCheck() {
  67         return true;
  68     }
  69 
  70     public JavaKind getWriteKind() {
  71         return writeKind;
  72     }
  73 
  74     public boolean isCompressible() {
  75         return compressible;
  76     }
  77 
  78     @Override
  79     public Stamp getAccessStamp() {
  80         return StampFactory.forKind(writeKind);
  81     }
  82 }