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comparison src/cpu/ppc/vm/c2_init_ppc.cpp @ 14445:67fa91961822

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8029940: PPC64 (part 122): C2 compiler port Reviewed-by: kvn
author goetz
date Wed, 11 Dec 2013 00:06:11 +0100
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14444:492e67693373 14445:67fa91961822
1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "opto/compile.hpp"
28 #include "opto/node.hpp"
29 #include "runtime/globals.hpp"
30 #include "utilities/debug.hpp"
31
32 // processor dependent initialization for ppc
33
34 void Compile::pd_compiler2_init() {
35
36 // Power7 and later
37 if (PowerArchitecturePPC64 > 6) {
38 if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
39 FLAG_SET_ERGO(bool, UsePopCountInstruction, true);
40 }
41 }
42
43 if (PowerArchitecturePPC64 == 6) {
44 if (FLAG_IS_DEFAULT(InsertEndGroupPPC64)) {
45 FLAG_SET_ERGO(bool, InsertEndGroupPPC64, true);
46 }
47 }
48 }