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comparison src/share/vm/classfile/javaClasses.cpp @ 6143:8b0a4867acf0

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7174218: remove AtomicLongCSImpl intrinsics Reviewed-by: kvn, twisti Contributed-by: Krystal Mok <sajia@taobao.com>
author twisti
date Tue, 12 Jun 2012 14:31:44 -0700
parents 8f972594effc
children 58ad5f22317e
comparison
equal deleted inserted replaced
6142:121e5708ae96 6143:8b0a4867acf0
2917 int java_lang_AssertionStatusDirectives::classEnabled_offset; 2917 int java_lang_AssertionStatusDirectives::classEnabled_offset;
2918 int java_lang_AssertionStatusDirectives::packages_offset; 2918 int java_lang_AssertionStatusDirectives::packages_offset;
2919 int java_lang_AssertionStatusDirectives::packageEnabled_offset; 2919 int java_lang_AssertionStatusDirectives::packageEnabled_offset;
2920 int java_lang_AssertionStatusDirectives::deflt_offset; 2920 int java_lang_AssertionStatusDirectives::deflt_offset;
2921 int java_nio_Buffer::_limit_offset; 2921 int java_nio_Buffer::_limit_offset;
2922 int sun_misc_AtomicLongCSImpl::_value_offset;
2923 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0; 2922 int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0;
2924 int sun_reflect_ConstantPool::_cp_oop_offset; 2923 int sun_reflect_ConstantPool::_cp_oop_offset;
2925 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset; 2924 int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
2926 2925
2927 2926
2975 2974
2976 void java_nio_Buffer::compute_offsets() { 2975 void java_nio_Buffer::compute_offsets() {
2977 klassOop k = SystemDictionary::nio_Buffer_klass(); 2976 klassOop k = SystemDictionary::nio_Buffer_klass();
2978 assert(k != NULL, "must be loaded in 1.4+"); 2977 assert(k != NULL, "must be loaded in 1.4+");
2979 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature()); 2978 compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
2980 }
2981
2982 // Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate
2983 int sun_misc_AtomicLongCSImpl::value_offset() {
2984 assert(SystemDictionary::AtomicLongCSImpl_klass() != NULL, "can't call this");
2985 return _value_offset;
2986 }
2987
2988
2989 void sun_misc_AtomicLongCSImpl::compute_offsets() {
2990 klassOop k = SystemDictionary::AtomicLongCSImpl_klass();
2991 // If this class is not present, its value field offset won't be referenced.
2992 if (k != NULL) {
2993 compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature());
2994 }
2995 } 2979 }
2996 2980
2997 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) { 2981 void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
2998 if (_owner_offset != 0) return; 2982 if (_owner_offset != 0) return;
2999 2983
3096 } 3080 }
3097 if (JDK_Version::is_gte_jdk15x_version()) { 3081 if (JDK_Version::is_gte_jdk15x_version()) {
3098 sun_reflect_ConstantPool::compute_offsets(); 3082 sun_reflect_ConstantPool::compute_offsets();
3099 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets(); 3083 sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
3100 } 3084 }
3101 sun_misc_AtomicLongCSImpl::compute_offsets();
3102 3085
3103 // generated interpreter code wants to know about the offsets we just computed: 3086 // generated interpreter code wants to know about the offsets we just computed:
3104 AbstractAssembler::update_delayed_values(); 3087 AbstractAssembler::update_delayed_values();
3105 } 3088 }
3106 3089