comparison src/share/vm/classfile/vmSymbols.hpp @ 9126:bc26f978b0ce

HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly don't use the (wrong) cached value, but ask the runtime on each request. Fixes regression on xml.* benchmarks @ specjvm2008. The problem was: After the constructor of Object was deoptimized due to an assumption violation, it was recompiled again after some time. However, on recompilation, the value of hasFinalizeSubclass for the class was not updated and it was compiled again with a, now wrong, assumption, which then triggers deoptimization again. This was repeated until it hit the recompilation limit (defined by PerMethodRecompilationCutoff), and therefore only executed by the interpreter from now on, causing the performance regression.
author Bernhard Urban <bernhard.urban@jku.at>
date Mon, 15 Apr 2013 19:54:58 +0200
parents e0e85d78843b
children 0266549ff6e0
comparison
equal deleted inserted replaced
9125:5b25562f8bd7 9126:bc26f978b0ce
358 template(createResolvedJavaMethod_name, "createResolvedJavaMethod") \ 358 template(createResolvedJavaMethod_name, "createResolvedJavaMethod") \
359 template(createResolvedJavaMethod_signature, "(Lcom/oracle/graal/api/meta/JavaType;J)Lcom/oracle/graal/api/meta/ResolvedJavaMethod;") \ 359 template(createResolvedJavaMethod_signature, "(Lcom/oracle/graal/api/meta/JavaType;J)Lcom/oracle/graal/api/meta/ResolvedJavaMethod;") \
360 template(createUnresolvedJavaType_name, "createUnresolvedJavaType") \ 360 template(createUnresolvedJavaType_name, "createUnresolvedJavaType") \
361 template(createUnresolvedJavaType_signature, "(Ljava/lang/String;)Lcom/oracle/graal/api/meta/JavaType;") \ 361 template(createUnresolvedJavaType_signature, "(Ljava/lang/String;)Lcom/oracle/graal/api/meta/JavaType;") \
362 template(createResolvedJavaType_name, "createResolvedJavaType") \ 362 template(createResolvedJavaType_name, "createResolvedJavaType") \
363 template(createResolvedJavaType_signature, "(JLjava/lang/String;Ljava/lang/String;Ljava/lang/Class;ZI)Lcom/oracle/graal/api/meta/ResolvedJavaType;") \ 363 template(createResolvedJavaType_signature, "(JLjava/lang/String;Ljava/lang/String;Ljava/lang/Class;I)Lcom/oracle/graal/api/meta/ResolvedJavaType;") \
364 template(createPrimitiveJavaType_name, "createPrimitiveJavaType") \ 364 template(createPrimitiveJavaType_name, "createPrimitiveJavaType") \
365 template(createPrimitiveJavaType_signature, "(I)Lcom/oracle/graal/api/meta/JavaType;") \ 365 template(createPrimitiveJavaType_signature, "(I)Lcom/oracle/graal/api/meta/JavaType;") \
366 template(createLocalImpl_name, "createLocalImpl") \ 366 template(createLocalImpl_name, "createLocalImpl") \
367 template(createLocalImpl_signature, "(Ljava/lang/String;Ljava/lang/String;Lcom/oracle/graal/hotspot/meta/HotSpotResolvedObjectType;III)Lcom/oracle/graal/hotspot/debug/LocalImpl;") \ 367 template(createLocalImpl_signature, "(Ljava/lang/String;Ljava/lang/String;Lcom/oracle/graal/hotspot/meta/HotSpotResolvedObjectType;III)Lcom/oracle/graal/hotspot/debug/LocalImpl;") \
368 template(createConstant_name, "createConstant") \ 368 template(createConstant_name, "createConstant") \