Mercurial > hg > graal-jvmci-8

diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java @ 23996:11f0412408cd

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8173912: [JVMCI] fix memory overhead of JVMCI
author Doug Simon <doug.simon@oracle.com>
date Fri, 03 Feb 2017 21:08:05 +0100
parents 1b8892b4ce9c
children 9a740aa0d87b
line wrap: on
line diff
--- a/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java	Fri Feb 03 08:17:35 2017 +0100
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java	Fri Feb 03 21:08:05 2017 +0100
@@ -74,6 +74,11 @@
     private HotSpotMethodData methodData;
     private byte[] code;
     private Executable toJavaCache;
+
+    /**
+     * Only 30% of {@link HotSpotResolvedJavaMethodImpl}s have their name accessed so compute it
+     * lazily and cache it.
+     */
     private String nameCache;
 
     /**
@@ -144,7 +149,8 @@
 
     public String getName() {
         if (nameCache == null) {
-            nameCache = compilerToVM().getMethodName(this);
+            final int nameIndex = UNSAFE.getChar(getConstMethod() + config().constMethodNameIndexOffset);
+            nameCache = constantPool.lookupUtf8(nameIndex);
         }
         return nameCache;
     }