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comparison src/share/vm/oops/instanceKlass.cpp @ 8860:46f6f063b272

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7153771: array bound check elimination for c1 Summary: when possible optimize out array bound checks, inserting predicates when needed. Reviewed-by: never, kvn, twisti Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>
author roland
date Thu, 21 Mar 2013 09:27:54 +0100
parents c8b31b461e1a
children b9a918201d47 8be1318fbe77
comparison
equal deleted inserted replaced
8780:98f3af397705 8860:46f6f063b272
2226 } 2226 }
2227 } 2227 }
2228 } 2228 }
2229 2229
2230 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) { 2230 void InstanceKlass::clean_method_data(BoolObjectClosure* is_alive) {
2231 #ifdef COMPILER2
2232 // Currently only used by C2.
2233 for (int m = 0; m < methods()->length(); m++) { 2231 for (int m = 0; m < methods()->length(); m++) {
2234 MethodData* mdo = methods()->at(m)->method_data(); 2232 MethodData* mdo = methods()->at(m)->method_data();
2235 if (mdo != NULL) { 2233 if (mdo != NULL) {
2236 for (ProfileData* data = mdo->first_data(); 2234 for (ProfileData* data = mdo->first_data();
2237 mdo->is_valid(data); 2235 mdo->is_valid(data);
2238 data = mdo->next_data(data)) { 2236 data = mdo->next_data(data)) {
2239 data->clean_weak_klass_links(is_alive); 2237 data->clean_weak_klass_links(is_alive);
2240 } 2238 }
2241 } 2239 }
2242 } 2240 }
2243 #else
2244 #ifdef ASSERT
2245 // Verify that we haven't started to use MDOs for C1.
2246 for (int m = 0; m < methods()->length(); m++) {
2247 MethodData* mdo = methods()->at(m)->method_data();
2248 assert(mdo == NULL, "Didn't expect C1 to use MDOs");
2249 }
2250 #endif // ASSERT
2251 #endif // !COMPILER2
2252 } 2241 }
2253 2242
2254 2243
2255 static void remove_unshareable_in_class(Klass* k) { 2244 static void remove_unshareable_in_class(Klass* k) {
2256 // remove klass's unshareable info 2245 // remove klass's unshareable info