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comparison src/share/vm/ci/bcEscapeAnalyzer.cpp @ 6266:1d7922586cf6

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7023639: JSR 292 method handle invocation needs a fast path for compiled code 6984705: JSR 292 method handle creation should not go through JNI Summary: remove assembly code for JDK 7 chained method handles Reviewed-by: jrose, twisti, kvn, mhaupt Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
author twisti
date Tue, 24 Jul 2012 10:51:00 -0700
parents 5ed8f599a788
children 7f813940ac35
comparison
equal deleted inserted replaced
6241:aba91a731143 6266:1d7922586cf6
236 ciInstanceKlass* callee_holder = ciEnv::get_instance_klass_for_declared_method_holder(holder); 236 ciInstanceKlass* callee_holder = ciEnv::get_instance_klass_for_declared_method_holder(holder);
237 ciInstanceKlass* actual_recv = callee_holder; 237 ciInstanceKlass* actual_recv = callee_holder;
238 238
239 // some methods are obviously bindable without any type checks so 239 // some methods are obviously bindable without any type checks so
240 // convert them directly to an invokespecial. 240 // convert them directly to an invokespecial.
241 if (target->is_loaded() && !target->is_abstract() && 241 if (target->is_loaded() && !target->is_abstract() && target->can_be_statically_bound()) {
242 target->can_be_statically_bound() && code == Bytecodes::_invokevirtual) { 242 switch (code) {
243 code = Bytecodes::_invokespecial; 243 case Bytecodes::_invokevirtual: code = Bytecodes::_invokespecial; break;
244 case Bytecodes::_invokehandle: code = Bytecodes::_invokestatic; break;
245 }
244 } 246 }
245 247
246 // compute size of arguments 248 // compute size of arguments
247 int arg_size = target->invoke_arg_size(code); 249 int arg_size = target->invoke_arg_size(code);
248 int arg_base = MAX2(state._stack_height - arg_size, 0); 250 int arg_base = MAX2(state._stack_height - arg_size, 0);
864 case Bytecodes::_invokedynamic: 866 case Bytecodes::_invokedynamic:
865 case Bytecodes::_invokeinterface: 867 case Bytecodes::_invokeinterface:
866 { bool will_link; 868 { bool will_link;
867 ciMethod* target = s.get_method(will_link); 869 ciMethod* target = s.get_method(will_link);
868 ciKlass* holder = s.get_declared_method_holder(); 870 ciKlass* holder = s.get_declared_method_holder();
869 invoke(state, s.cur_bc(), target, holder); 871 // Push appendix argument, if one.
872 if (s.has_appendix()) {
873 state.apush(unknown_obj);
874 }
875 // Pass in raw bytecode because we need to see invokehandle instructions.
876 invoke(state, s.cur_bc_raw(), target, holder);
870 ciType* return_type = target->return_type(); 877 ciType* return_type = target->return_type();
871 if (!return_type->is_primitive_type()) { 878 if (!return_type->is_primitive_type()) {
872 state.apush(unknown_obj); 879 state.apush(unknown_obj);
873 } else if (return_type->is_one_word()) { 880 } else if (return_type->is_one_word()) {
874 state.spush(); 881 state.spush();