1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2017, Red Hat Inc. 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 package org.graalvm.compiler.hotspot.aarch64;
  25 
  26 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  27 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
  28 import org.graalvm.compiler.hotspot.meta.HotSpotSuitesProvider;
  29 import org.graalvm.compiler.options.OptionValues;
  30 import org.graalvm.compiler.phases.BasePhase;
  31 import org.graalvm.compiler.phases.common.AddressLoweringByUsePhase;
  32 import org.graalvm.compiler.phases.common.ExpandLogicPhase;
  33 import org.graalvm.compiler.phases.common.FixReadsPhase;
  34 import org.graalvm.compiler.phases.common.PropagateDeoptimizeProbabilityPhase;
  35 import org.graalvm.compiler.phases.tiers.LowTierContext;
  36 import org.graalvm.compiler.phases.tiers.Suites;
  37 import org.graalvm.compiler.phases.tiers.SuitesCreator;
  38 import org.graalvm.compiler.replacements.aarch64.AArch64ReadReplacementPhase;
  39 
  40 import java.util.ListIterator;
  41 
  42 /**
  43  * Subclass to factor out management of address lowering.
  44  */
  45 public class AArch64HotSpotSuitesProvider extends HotSpotSuitesProvider {
  46 
  47     private final AddressLoweringByUsePhase.AddressLoweringByUse addressLoweringByUse;
  48 
  49     public AArch64HotSpotSuitesProvider(SuitesCreator defaultSuitesCreator, GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime,
  50                     AddressLoweringByUsePhase.AddressLoweringByUse addressLoweringByUse) {
  51         super(defaultSuitesCreator, config, runtime);
  52         this.addressLoweringByUse = addressLoweringByUse;
  53     }
  54 
  55     @Override
  56     public Suites createSuites(OptionValues options) {
  57         Suites suites = super.createSuites(options);
  58 
  59         ListIterator<BasePhase<? super LowTierContext>> findPhase = suites.getLowTier().findPhase(FixReadsPhase.class);
  60         if (findPhase == null) {
  61             findPhase = suites.getLowTier().findPhase(ExpandLogicPhase.class);
  62         }
  63         findPhase.add(new AddressLoweringByUsePhase(addressLoweringByUse));
  64 
  65         findPhase = suites.getLowTier().findPhase(PropagateDeoptimizeProbabilityPhase.class);
  66         findPhase.add(new AArch64ReadReplacementPhase());
  67 
  68         return suites;
  69     }
  70 }