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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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4
hotspot/src/share/vm/memory/universe.hpp
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@ -169,6 +169,8 @@ class Universe: AllStatic {
static objArrayOop _the_empty_system_obj_array; // Canonicalized system obj array
static objArrayOop _the_empty_class_klass_array; // Canonicalized obj array of type java.lang.Class
static objArrayOop _the_array_interfaces_array; // Canonicalized 2-array of cloneable & serializable klasses
static oop _the_null_string; // A cache of "null" as a Java string
static oop _the_min_jint_string; // A cache of "-2147483648" as a Java string
static LatestMethodOopCache* _finalizer_register_cache; // static method for registering finalizable objects
static LatestMethodOopCache* _loader_addClass_cache; // method for registering loaded classes in class loader vector
static ActiveMethodOopsCache* _reflect_invoke_cache; // method for security checks
@ -310,6 +312,8 @@ class Universe: AllStatic {
static objArrayOop the_empty_system_obj_array () { return _the_empty_system_obj_array; }
static objArrayOop the_empty_class_klass_array () { return _the_empty_class_klass_array; }
static objArrayOop the_array_interfaces_array() { return _the_array_interfaces_array; }
static oop the_null_string() { return _the_null_string; }
static oop the_min_jint_string() { return _the_min_jint_string; }
static methodOop finalizer_register_method() { return _finalizer_register_cache->get_methodOop(); }
static methodOop loader_addClass_method() { return _loader_addClass_cache->get_methodOop(); }
static ActiveMethodOopsCache* reflect_invoke_cache() { return _reflect_invoke_cache; }