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comparison src/share/vm/graal/graalRuntime.cpp @ 12366:0991c12c4186

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Defer barriers upon slow-path allocation
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Fri, 11 Oct 2013 17:08:22 +0200
parents 97e282186b5b
children 2dfccd93510a
comparison
equal deleted inserted replaced
12365:ee746f35ae17 12366:0991c12c4186
62 h->check_valid_for_instantiation(true, CHECK); 62 h->check_valid_for_instantiation(true, CHECK);
63 // make sure klass is initialized 63 // make sure klass is initialized
64 h->initialize(CHECK); 64 h->initialize(CHECK);
65 // allocate instance and return via TLS 65 // allocate instance and return via TLS
66 oop obj = h->allocate_instance(CHECK); 66 oop obj = h->allocate_instance(CHECK);
67 if (GraalDeferredInitBarriers) {
68 obj = Universe::heap()->new_store_pre_barrier(thread, obj);
69 }
67 thread->set_vm_result(obj); 70 thread->set_vm_result(obj);
68 JRT_END 71 JRT_END
69 72
70 JRT_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) 73 JRT_ENTRY(void, GraalRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length))
71 // Note: no handle for klass needed since they are not used 74 // Note: no handle for klass needed since they are not used
77 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); 80 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type();
78 obj = oopFactory::new_typeArray(elt_type, length, CHECK); 81 obj = oopFactory::new_typeArray(elt_type, length, CHECK);
79 } else { 82 } else {
80 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); 83 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
81 obj = oopFactory::new_objArray(elem_klass, length, CHECK); 84 obj = oopFactory::new_objArray(elem_klass, length, CHECK);
85 }
86 if (GraalDeferredInitBarriers) {
87 obj = Universe::heap()->new_store_pre_barrier(thread, obj);
82 } 88 }
83 thread->set_vm_result(obj); 89 thread->set_vm_result(obj);
84 // This is pretty rare but this runtime patch is stressful to deoptimization 90 // This is pretty rare but this runtime patch is stressful to deoptimization
85 // if we deoptimize here so force a deopt to stress the path. 91 // if we deoptimize here so force a deopt to stress the path.
86 if (DeoptimizeALot) { 92 if (DeoptimizeALot) {