| /* |
| * Copyright (c) 2012, 2015, Oracle and/or its affiliates. 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. |
| */ |
| package jdk.vm.ci.hotspot.sparc; |
| |
| import static jdk.vm.ci.inittimer.InitTimer.*; |
| |
| import java.util.*; |
| |
| import jdk.vm.ci.code.*; |
| import jdk.vm.ci.compiler.*; |
| import jdk.vm.ci.hotspot.*; |
| import jdk.vm.ci.inittimer.*; |
| import jdk.vm.ci.runtime.*; |
| import jdk.vm.ci.service.*; |
| import jdk.vm.ci.sparc.*; |
| import jdk.vm.ci.sparc.SPARC.CPUFeature; |
| |
| @ServiceProvider(HotSpotJVMCIBackendFactory.class) |
| public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { |
| |
| protected TargetDescription createTarget(HotSpotVMConfig config, CompilerFactory compilerFactory) { |
| final int stackFrameAlignment = 16; |
| final int implicitNullCheckLimit = 4096; |
| final boolean inlineObjects = false; |
| Architecture arch = new SPARC(computeFeatures(config)); |
| return new TargetDescription(compilerFactory.initializeArchitecture(arch), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); |
| } |
| |
| protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { |
| return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); |
| } |
| |
| protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) { |
| EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class); |
| if ((config.sparcFeatures & config.vis1Instructions) != 0) { |
| features.add(CPUFeature.VIS1); |
| } |
| if ((config.sparcFeatures & config.vis2Instructions) != 0) { |
| features.add(CPUFeature.VIS2); |
| } |
| if ((config.sparcFeatures & config.vis3Instructions) != 0) { |
| features.add(CPUFeature.VIS3); |
| } |
| if ((config.sparcFeatures & config.cbcondInstructions) != 0) { |
| features.add(CPUFeature.CBCOND); |
| } |
| if (config.useBlockZeroing) { |
| features.add(CPUFeature.BLOCK_ZEROING); |
| } |
| return features; |
| } |
| |
| @Override |
| public String getArchitecture() { |
| return "SPARC"; |
| } |
| |
| @Override |
| public String toString() { |
| return "JVMCIBackend:" + getArchitecture(); |
| } |
| |
| @SuppressWarnings("try") |
| public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, CompilerFactory compilerFactory, JVMCIBackend host) { |
| assert host == null; |
| TargetDescription target = createTarget(runtime.getConfig(), compilerFactory); |
| |
| HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime); |
| RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target, runtime.getConfig()); |
| HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig); |
| HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime); |
| try (InitTimer rt = timer("instantiate backend")) { |
| return createBackend(metaAccess, codeCache, constantReflection); |
| } |
| } |
| |
| protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection) { |
| return new JVMCIBackend(metaAccess, codeCache, constantReflection); |
| } |
| } |