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