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 package org.graalvm.compiler.replacements;
24
25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED;
26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED;
27 import static org.graalvm.compiler.replacements.SnippetTemplate.DEFAULT_REPLACER;
28
29 import java.lang.reflect.Field;
30 import java.util.Arrays;
31
32 import org.graalvm.compiler.api.replacements.Fold;
33 import org.graalvm.compiler.api.replacements.Snippet;
34 import org.graalvm.compiler.api.replacements.Snippet.ConstantParameter;
35 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
36 import org.graalvm.compiler.core.common.type.StampFactory;
37 import org.graalvm.compiler.debug.GraalError;
38 import org.graalvm.compiler.graph.NodeClass;
39 import org.graalvm.compiler.nodeinfo.NodeInfo;
40 import org.graalvm.compiler.nodes.FixedWithNextNode;
41 import org.graalvm.compiler.nodes.NamedLocationIdentity;
42 import org.graalvm.compiler.nodes.StructuredGraph;
43 import org.graalvm.compiler.nodes.ValueNode;
44 import org.graalvm.compiler.nodes.spi.Lowerable;
45 import org.graalvm.compiler.nodes.spi.LoweringTool;
46 import org.graalvm.compiler.options.OptionValues;
47 import org.graalvm.compiler.phases.util.Providers;
48 import org.graalvm.compiler.replacements.SnippetTemplate.AbstractTemplates;
49 import org.graalvm.compiler.replacements.SnippetTemplate.Arguments;
50 import org.graalvm.compiler.replacements.SnippetTemplate.SnippetInfo;
51 import org.graalvm.compiler.word.ObjectAccess;
52 import org.graalvm.word.LocationIdentity;
53
54 import jdk.vm.ci.code.TargetDescription;
55 import sun.misc.Unsafe;
56
128
129 @Fold
130 static int countOffset() {
131 try {
132 return (int) UNSAFE.objectFieldOffset(SnippetCounter.class.getDeclaredField("value"));
133 } catch (Exception e) {
134 throw new GraalError(e);
135 }
136 }
137
138 @Snippet
139 public static void add(@ConstantParameter SnippetCounter counter, int increment) {
140 long loadedValue = ObjectAccess.readLong(counter, countOffset(), SNIPPET_COUNTER_LOCATION);
141 ObjectAccess.writeLong(counter, countOffset(), loadedValue + increment, SNIPPET_COUNTER_LOCATION);
142 }
143
144 public static class Templates extends AbstractTemplates {
145
146 private final SnippetInfo add = snippet(SnippetCounterSnippets.class, "add", SNIPPET_COUNTER_LOCATION);
147
148 Templates(OptionValues options, Providers providers, SnippetReflectionProvider snippetReflection, TargetDescription target) {
149 super(options, providers, snippetReflection, target);
150 }
151
152 public void lower(SnippetCounterNode counter, LoweringTool tool) {
153 StructuredGraph graph = counter.graph();
154 Arguments args = new Arguments(add, graph.getGuardsStage(), tool.getLoweringStage());
155 args.addConst("counter", counter.getCounter());
156 args.add("increment", counter.getIncrement());
157
158 template(args).instantiate(providers.getMetaAccess(), counter, DEFAULT_REPLACER, args);
159 }
160 }
161 }
162
163 private static final Unsafe UNSAFE = initUnsafe();
164
165 private static Unsafe initUnsafe() {
166 try {
167 return Unsafe.getUnsafe();
168 } catch (SecurityException se) {
169 try {
170 Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
171 theUnsafe.setAccessible(true);
172 return (Unsafe) theUnsafe.get(Unsafe.class);
173 } catch (Exception e) {
174 throw new RuntimeException("exception while trying to get Unsafe", e);
175 }
176 }
177 }
178 }
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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 package org.graalvm.compiler.replacements;
24
25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED;
26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED;
27 import static org.graalvm.compiler.replacements.SnippetTemplate.DEFAULT_REPLACER;
28
29 import java.lang.reflect.Field;
30 import java.util.Arrays;
31
32 import org.graalvm.compiler.api.replacements.Fold;
33 import org.graalvm.compiler.api.replacements.Snippet;
34 import org.graalvm.compiler.api.replacements.Snippet.ConstantParameter;
35 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
36 import org.graalvm.compiler.core.common.type.StampFactory;
37 import org.graalvm.compiler.debug.DebugHandlersFactory;
38 import org.graalvm.compiler.debug.GraalError;
39 import org.graalvm.compiler.graph.NodeClass;
40 import org.graalvm.compiler.nodeinfo.NodeInfo;
41 import org.graalvm.compiler.nodes.FixedWithNextNode;
42 import org.graalvm.compiler.nodes.NamedLocationIdentity;
43 import org.graalvm.compiler.nodes.StructuredGraph;
44 import org.graalvm.compiler.nodes.ValueNode;
45 import org.graalvm.compiler.nodes.spi.Lowerable;
46 import org.graalvm.compiler.nodes.spi.LoweringTool;
47 import org.graalvm.compiler.options.OptionValues;
48 import org.graalvm.compiler.phases.util.Providers;
49 import org.graalvm.compiler.replacements.SnippetTemplate.AbstractTemplates;
50 import org.graalvm.compiler.replacements.SnippetTemplate.Arguments;
51 import org.graalvm.compiler.replacements.SnippetTemplate.SnippetInfo;
52 import org.graalvm.compiler.word.ObjectAccess;
53 import org.graalvm.word.LocationIdentity;
54
55 import jdk.vm.ci.code.TargetDescription;
56 import sun.misc.Unsafe;
57
129
130 @Fold
131 static int countOffset() {
132 try {
133 return (int) UNSAFE.objectFieldOffset(SnippetCounter.class.getDeclaredField("value"));
134 } catch (Exception e) {
135 throw new GraalError(e);
136 }
137 }
138
139 @Snippet
140 public static void add(@ConstantParameter SnippetCounter counter, int increment) {
141 long loadedValue = ObjectAccess.readLong(counter, countOffset(), SNIPPET_COUNTER_LOCATION);
142 ObjectAccess.writeLong(counter, countOffset(), loadedValue + increment, SNIPPET_COUNTER_LOCATION);
143 }
144
145 public static class Templates extends AbstractTemplates {
146
147 private final SnippetInfo add = snippet(SnippetCounterSnippets.class, "add", SNIPPET_COUNTER_LOCATION);
148
149 Templates(OptionValues options, Iterable<DebugHandlersFactory> factories, Providers providers, SnippetReflectionProvider snippetReflection, TargetDescription target) {
150 super(options, factories, providers, snippetReflection, target);
151 }
152
153 public void lower(SnippetCounterNode counter, LoweringTool tool) {
154 StructuredGraph graph = counter.graph();
155 Arguments args = new Arguments(add, graph.getGuardsStage(), tool.getLoweringStage());
156 args.addConst("counter", counter.getCounter());
157 args.add("increment", counter.getIncrement());
158
159 template(counter.getDebug(), args).instantiate(providers.getMetaAccess(), counter, DEFAULT_REPLACER, args);
160 }
161 }
162 }
163
164 private static final Unsafe UNSAFE = initUnsafe();
165
166 private static Unsafe initUnsafe() {
167 try {
168 return Unsafe.getUnsafe();
169 } catch (SecurityException se) {
170 try {
171 Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
172 theUnsafe.setAccessible(true);
173 return (Unsafe) theUnsafe.get(Unsafe.class);
174 } catch (Exception e) {
175 throw new RuntimeException("exception while trying to get Unsafe", e);
176 }
177 }
178 }
179 }
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