Mercurial > hg > truffle
diff src/cpu/ppc/vm/c2_init_ppc.cpp @ 14445:67fa91961822
8029940: PPC64 (part 122): C2 compiler port
Reviewed-by: kvn
author | goetz |
---|---|
date | Wed, 11 Dec 2013 00:06:11 +0100 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/ppc/vm/c2_init_ppc.cpp Wed Dec 11 00:06:11 2013 +0100 @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright 2012, 2013 SAP AG. All rights reserved. + * 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 "precompiled.hpp" +#include "opto/compile.hpp" +#include "opto/node.hpp" +#include "runtime/globals.hpp" +#include "utilities/debug.hpp" + +// processor dependent initialization for ppc + +void Compile::pd_compiler2_init() { + + // Power7 and later + if (PowerArchitecturePPC64 > 6) { + if (FLAG_IS_DEFAULT(UsePopCountInstruction)) { + FLAG_SET_ERGO(bool, UsePopCountInstruction, true); + } + } + + if (PowerArchitecturePPC64 == 6) { + if (FLAG_IS_DEFAULT(InsertEndGroupPPC64)) { + FLAG_SET_ERGO(bool, InsertEndGroupPPC64, true); + } + } +}