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6892658: C2 should optimize some stringbuilder patterns

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2009-11-12 09:24:21 -08:00
parent 63cc2211ed
commit 9db2092b1b
35 changed files with 2245 additions and 115 deletions
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9
hotspot/src/share/vm/ci/ciObjectFactory.cpp
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@ -168,6 +168,15 @@ void ciObjectFactory::init_shared_objects() {
ciEnv::_String =
get(SystemDictionary::string_klass())
->as_instance_klass();
ciEnv::_StringBuffer =
get(SystemDictionary::stringBuffer_klass())
->as_instance_klass();
ciEnv::_StringBuilder =
get(SystemDictionary::StringBuilder_klass())
->as_instance_klass();
ciEnv::_Integer =
get(SystemDictionary::int_klass())
->as_instance_klass();
for (int len = -1; len != _ci_objects->length(); ) {
len = _ci_objects->length();