Mercurial > hg > truffle
diff src/share/vm/oops/generateOopMap.cpp @ 1138:dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
Summary: C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.
Reviewed-by: kvn, never
author | twisti |
---|---|
date | Tue, 05 Jan 2010 15:21:25 +0100 |
parents | 389049f3f393 |
children | cff162798819 |
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--- a/src/share/vm/oops/generateOopMap.cpp Tue Jan 05 13:05:58 2010 +0100 +++ b/src/share/vm/oops/generateOopMap.cpp Tue Jan 05 15:21:25 2010 +0100 @@ -1556,13 +1556,13 @@ case Bytecodes::_getfield: do_field(true, false, itr->get_index_big(), itr->bci()); break; case Bytecodes::_putfield: do_field(false, false, itr->get_index_big(), itr->bci()); break; - case Bytecodes::_invokevirtual: - case Bytecodes::_invokespecial: do_method(false, false, itr->get_index_big(), itr->bci()); break; - case Bytecodes::_invokestatic: do_method(true, false, itr->get_index_big(), itr->bci()); break; + case Bytecodes::_invokevirtual: + case Bytecodes::_invokespecial: do_method(false, false, itr->get_index_big(), itr->bci()); break; + case Bytecodes::_invokestatic: do_method(true, false, itr->get_index_big(), itr->bci()); break; case Bytecodes::_invokedynamic: do_method(true, false, itr->get_index_int(), itr->bci()); break; - case Bytecodes::_invokeinterface: do_method(false, true, itr->get_index_big(), itr->bci()); break; - case Bytecodes::_newarray: - case Bytecodes::_anewarray: pp_new_ref(vCTS, itr->bci()); break; + case Bytecodes::_invokeinterface: do_method(false, true, itr->get_index_big(), itr->bci()); break; + case Bytecodes::_newarray: + case Bytecodes::_anewarray: pp_new_ref(vCTS, itr->bci()); break; case Bytecodes::_checkcast: do_checkcast(); break; case Bytecodes::_arraylength: case Bytecodes::_instanceof: pp(rCTS, vCTS); break; @@ -1830,12 +1830,8 @@ void GenerateOopMap::do_ldc(int idx, int bci) { - constantPoolOop cp = method()->constants(); - constantTag tag = cp->tag_at(idx); - - CellTypeState cts = (tag.is_string() || tag.is_unresolved_string() || - tag.is_klass() || tag.is_unresolved_klass()) - ? CellTypeState::make_line_ref(bci) : valCTS; + constantPoolOop cp = method()->constants(); + CellTypeState cts = cp->is_pointer_entry(idx) ? CellTypeState::make_line_ref(bci) : valCTS; ppush1(cts); }