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.debug.DebugHandlersFactory;
  28 import org.graalvm.compiler.graph.Node;
  29 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
  30 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  31 import org.graalvm.compiler.hotspot.meta.DefaultHotSpotLoweringProvider;
  32 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
  33 import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
  34 import org.graalvm.compiler.nodes.calc.FixedBinaryNode;
  35 import org.graalvm.compiler.nodes.calc.FloatConvertNode;
  36 import org.graalvm.compiler.nodes.calc.RemNode;
  37 import org.graalvm.compiler.nodes.spi.LoweringTool;
  38 import org.graalvm.compiler.options.OptionValues;
  39 import org.graalvm.compiler.replacements.aarch64.AArch64FloatArithmeticSnippets;
  40 import org.graalvm.compiler.replacements.aarch64.AArch64IntegerArithmeticSnippets;
  41 
  42 import jdk.vm.ci.code.TargetDescription;
  43 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
  44 import jdk.vm.ci.meta.MetaAccessProvider;
  45 
  46 public class AArch64HotSpotLoweringProvider extends DefaultHotSpotLoweringProvider {
  47 
  48     private AArch64IntegerArithmeticSnippets integerArithmeticSnippets;
  49     private AArch64FloatArithmeticSnippets floatArithmeticSnippets;
  50 
  51     public AArch64HotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers,
  52                     HotSpotConstantReflectionProvider constantReflection, TargetDescription target) {
  53         super(runtime, metaAccess, foreignCalls, registers, constantReflection, target);
  54     }
  55 
  56     @Override
  57     public void initialize(OptionValues options, Iterable<DebugHandlersFactory> factories, HotSpotProviders providers, GraalHotSpotVMConfig config) {
  58         integerArithmeticSnippets = new AArch64IntegerArithmeticSnippets(options, factories, providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());
  59         floatArithmeticSnippets = new AArch64FloatArithmeticSnippets(options, factories, providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());
  60         super.initialize(options, factories, providers, config);
  61     }
  62 
  63     @Override
  64     public void lower(Node n, LoweringTool tool) {
  65         if (n instanceof FixedBinaryNode) {
  66             integerArithmeticSnippets.lower((FixedBinaryNode) n, tool);
  67         } else if (n instanceof RemNode) {
  68             floatArithmeticSnippets.lower((RemNode) n, tool);
  69         } else if (n instanceof FloatConvertNode) {
  70             // AMD64 has custom lowerings for ConvertNodes, HotSpotLoweringProvider does not expect
  71             // to see a ConvertNode and throws an error, just do nothing here.
  72         } else {
  73             super.lower(n, tool);
  74         }
  75     }
  76 }