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comparison src/share/vm/runtime/thread.cpp @ 18:c7d713375c94

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6621621: HashMap front cache should be enabled only with AggressiveOpts Reviewed-by: sbohne, xlu
author phh
date Wed, 05 Dec 2007 09:02:00 -0800
parents a61af66fc99e
children 75b0f3cb1943
comparison
equal deleted inserted replaced
17:ff5961f4c095 18:c7d713375c94
2923 initialize_class(vmSymbolHandles::java_lang_String(), CHECK_0); 2923 initialize_class(vmSymbolHandles::java_lang_String(), CHECK_0);
2924 } else { 2924 } else {
2925 warning("java.lang.String not initialized"); 2925 warning("java.lang.String not initialized");
2926 } 2926 }
2927 2927
2928 if (AggressiveOpts) {
2929 // Forcibly initialize java/util/HashMap and mutate the private
2930 // static final "frontCacheEnabled" field before we start creating instances
2931 #ifdef ASSERT
2932 klassOop tmp_k = SystemDictionary::find(vmSymbolHandles::java_util_HashMap(), Handle(), Handle(), CHECK_0);
2933 assert(tmp_k == NULL, "java/util/HashMap should not be loaded yet");
2934 #endif
2935 klassOop k_o = SystemDictionary::resolve_or_null(vmSymbolHandles::java_util_HashMap(), Handle(), Handle(), CHECK_0);
2936 KlassHandle k = KlassHandle(THREAD, k_o);
2937 guarantee(k.not_null(), "Must find java/util/HashMap");
2938 instanceKlassHandle ik = instanceKlassHandle(THREAD, k());
2939 ik->initialize(CHECK_0);
2940 fieldDescriptor fd;
2941 // Possible we might not find this field; if so, don't break
2942 if (ik->find_local_field(vmSymbols::frontCacheEnabled_name(), vmSymbols::bool_signature(), &fd)) {
2943 k()->bool_field_put(fd.offset(), true);
2944 }
2945 }
2946
2928 // Initialize java_lang.System (needed before creating the thread) 2947 // Initialize java_lang.System (needed before creating the thread)
2929 if (InitializeJavaLangSystem) { 2948 if (InitializeJavaLangSystem) {
2930 initialize_class(vmSymbolHandles::java_lang_System(), CHECK_0); 2949 initialize_class(vmSymbolHandles::java_lang_System(), CHECK_0);
2931 initialize_class(vmSymbolHandles::java_lang_ThreadGroup(), CHECK_0); 2950 initialize_class(vmSymbolHandles::java_lang_ThreadGroup(), CHECK_0);
2932 Handle thread_group = create_initial_thread_group(CHECK_0); 2951 Handle thread_group = create_initial_thread_group(CHECK_0);