Mercurial > hg > truffle
diff src/share/vm/shark/sharkInvariants.cpp @ 1692:d2ede61b7a12
6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
---|---|
date | Wed, 11 Aug 2010 05:51:21 -0700 |
parents | |
children | f95d63e2154a |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/shark/sharkInvariants.cpp Wed Aug 11 05:51:21 2010 -0700 @@ -0,0 +1,37 @@ +/* + * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright 2008, 2009 Red Hat, Inc. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "incls/_precompiled.incl" +#include "incls/_sharkInvariants.cpp.incl" + +int SharkTargetInvariants::count_monitors() { + int result = 0; + if (is_synchronized() || target()->has_monitor_bytecodes()) { + for (int i = 0; i < flow()->block_count(); i++) { + result = MAX2(result, flow()->pre_order_at(i)->monitor_count()); + } + } + return result; +}