| /* |
| * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2012, 2015 SAP SE. 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); |
| } |
| } |
| |
| if (!VM_Version::has_isel() && FLAG_IS_DEFAULT(ConditionalMoveLimit)) { |
| FLAG_SET_ERGO(intx, ConditionalMoveLimit, 0); |
| } |
| |
| if (OptimizeFill) { |
| warning("OptimizeFill is not supported on this CPU."); |
| FLAG_SET_DEFAULT(OptimizeFill, false); |
| } |
| |
| } |