1 /*
   2  * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package org.graalvm.compiler.hotspot.aarch64;
  25 
  26 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
  27 import org.graalvm.compiler.graph.Node;
  28 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
  29 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  30 import org.graalvm.compiler.hotspot.meta.DefaultHotSpotLoweringProvider;
  31 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
  32 import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
  33 import org.graalvm.compiler.nodes.calc.FixedBinaryNode;
  34 import org.graalvm.compiler.nodes.calc.FloatConvertNode;
  35 import org.graalvm.compiler.nodes.calc.RemNode;
  36 import org.graalvm.compiler.nodes.spi.LoweringTool;
  37 import org.graalvm.compiler.replacements.aarch64.AArch64FloatArithmeticSnippets;
  38 import org.graalvm.compiler.replacements.aarch64.AArch64IntegerArithmeticSnippets;
  39 
  40 import jdk.vm.ci.code.TargetDescription;
  41 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
  42 import jdk.vm.ci.meta.MetaAccessProvider;
  43 
  44 public class AArch64HotSpotLoweringProvider extends DefaultHotSpotLoweringProvider {
  45 
  46     private AArch64IntegerArithmeticSnippets integerArithmeticSnippets;
  47     private AArch64FloatArithmeticSnippets floatArithmeticSnippets;
  48 
  49     public AArch64HotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers,
  50                     HotSpotConstantReflectionProvider constantReflection, TargetDescription target) {
  51         super(runtime, metaAccess, foreignCalls, registers, constantReflection, target);
  52     }
  53 
  54     @Override
  55     public void initialize(HotSpotProviders providers, GraalHotSpotVMConfig config) {
  56         integerArithmeticSnippets = new AArch64IntegerArithmeticSnippets(providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());
  57         floatArithmeticSnippets = new AArch64FloatArithmeticSnippets(providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());
  58         super.initialize(providers, config);
  59     }
  60 
  61     @Override
  62     public void lower(Node n, LoweringTool tool) {
  63         if (n instanceof FixedBinaryNode) {
  64             integerArithmeticSnippets.lower((FixedBinaryNode) n, tool);
  65         } else if (n instanceof RemNode) {
  66             floatArithmeticSnippets.lower((RemNode) n, tool);
  67         } else if (n instanceof FloatConvertNode) {
  68             // AMD64 has custom lowerings for ConvertNodes, HotSpotLoweringProvider does not expect
  69             // to see a ConvertNode and throws an error, just do nothing here.
  70         } else {
  71             super.lower(n, tool);
  72         }
  73     }
  74 }