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The GraalVM compiler and the Graal-truffle optimizer.
/*
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* 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.hotspot.riscv64;
import java.util.ArrayList;
import java.util.List;
import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
import org.graalvm.compiler.core.riscv64.RISCV64ReflectionUtil;
import org.graalvm.compiler.core.riscv64.ShadowedRISCV64;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
import org.graalvm.compiler.hotspot.HotSpotBackend;
import org.graalvm.compiler.hotspot.HotSpotBackendFactory;
import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
import org.graalvm.compiler.hotspot.HotSpotReplacementsImpl;
import org.graalvm.compiler.hotspot.meta.AddressLoweringHotSpotSuitesProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotGraphBuilderPlugins;
import org.graalvm.compiler.hotspot.meta.HotSpotHostForeignCallsProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotLoweringProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotMetaAccessExtensionProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotPlatformConfigurationProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
import org.graalvm.compiler.hotspot.meta.HotSpotRegisters;
import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotSnippetReflectionProvider;
import org.graalvm.compiler.hotspot.meta.HotSpotSuitesProvider;
import org.graalvm.compiler.hotspot.word.HotSpotWordTypes;
import org.graalvm.compiler.java.DefaultSuitesCreator;
import org.graalvm.compiler.lir.framemap.ReferenceMapBuilder;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.gc.BarrierSet;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
import org.graalvm.compiler.nodes.spi.CoreProviders;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.BasePhase;
import org.graalvm.compiler.phases.common.AddressLoweringPhase;
import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
import org.graalvm.compiler.serviceprovider.ServiceProvider;
import jdk.vm.ci.code.Architecture;
import jdk.vm.ci.code.Register;
import jdk.vm.ci.code.RegisterConfig;
import jdk.vm.ci.code.TargetDescription;
import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
import jdk.vm.ci.meta.MetaAccessProvider;
import jdk.vm.ci.meta.Value;
@ServiceProvider(HotSpotBackendFactory.class)
public class RISCV64HotSpotBackendFactory extends HotSpotBackendFactory {
@Override
public String getName() {
return "community";
}
@Override
public Class getArchitecture() {
if (ShadowedRISCV64.riscv64OrNull != null) {
return ShadowedRISCV64.riscv64OrNull.asSubclass(Architecture.class);
} else {
return null;
}
}
@Override
protected Plugins createGraphBuilderPlugins(HotSpotGraalRuntimeProvider graalRuntime, CompilerConfiguration compilerConfiguration, GraalHotSpotVMConfig config, TargetDescription target,
HotSpotConstantReflectionProvider constantReflection, HotSpotHostForeignCallsProvider foreignCalls, MetaAccessProvider metaAccess,
HotSpotSnippetReflectionProvider snippetReflection, HotSpotReplacementsImpl replacements, HotSpotWordTypes wordTypes, OptionValues options, BarrierSet barrierSet) {
Plugins plugins = HotSpotGraphBuilderPlugins.create(graalRuntime,
compilerConfiguration,
config,
wordTypes,
metaAccess,
constantReflection,
snippetReflection,
foreignCalls,
replacements,
options,
target,
barrierSet);
return plugins;
}
@Override
protected HotSpotBackend createBackend(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
return new HotSpotBackend(runtime, providers) {
@Override
public RegisterAllocationConfig newRegisterAllocationConfig(RegisterConfig registerConfig, String[] allocationRestrictedTo) {
throw GraalError.unimplementedOverride();
}
@Override
public ReferenceMapBuilder newReferenceMapBuilder(int totalFrameSize) {
throw GraalError.unimplementedOverride();
}
};
}
@Override
protected HotSpotRegistersProvider createRegisters() {
Class riscv64HotSpotRegisterConfig = RISCV64ReflectionUtil.lookupClass(false, RISCV64ReflectionUtil.hotSpotClass);
Register tp = RISCV64ReflectionUtil.readStaticField(riscv64HotSpotRegisterConfig, "tp");
Register x27 = ShadowedRISCV64.x27;
Register sp = RISCV64ReflectionUtil.readStaticField(riscv64HotSpotRegisterConfig, "sp");
return new HotSpotRegisters(tp, x27, sp);
}
@Override
protected HotSpotHostForeignCallsProvider createForeignCalls(HotSpotJVMCIRuntime jvmciRuntime, HotSpotGraalRuntimeProvider graalRuntime, MetaAccessProvider metaAccess,
HotSpotCodeCacheProvider codeCache, HotSpotWordTypes wordTypes, Value[] nativeABICallerSaveRegisters) {
return new RISCV64HotSpotForeignCallsProvider(jvmciRuntime, graalRuntime, metaAccess, codeCache, wordTypes, nativeABICallerSaveRegisters);
}
public static class EmptyAddressLoweringPhase extends AddressLoweringPhase {
@Override
protected void run(StructuredGraph graph, CoreProviders context) {
// Do nothing
}
}
@Override
protected HotSpotSuitesProvider createSuites(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, CompilerConfiguration compilerConfiguration, Plugins plugins,
HotSpotRegistersProvider registers, HotSpotReplacementsImpl replacements, OptionValues options) {
DefaultSuitesCreator suitesCreator = new RISCV64HotSpotSuitesCreator(compilerConfiguration, plugins);
BasePhase addressLoweringPhase = new EmptyAddressLoweringPhase();
return new AddressLoweringHotSpotSuitesProvider(suitesCreator, config, runtime, addressLoweringPhase);
}
@Override
protected HotSpotLoweringProvider createLowerer(HotSpotGraalRuntimeProvider graalRuntime, MetaAccessProvider metaAccess, HotSpotHostForeignCallsProvider foreignCalls,
HotSpotRegistersProvider registers, HotSpotConstantReflectionProvider constantReflection, HotSpotPlatformConfigurationProvider platformConfig,
HotSpotMetaAccessExtensionProvider metaAccessExtensionProvider, TargetDescription target) {
return new RISCV64HotSpotLoweringProvider(graalRuntime, metaAccess, foreignCalls, registers, constantReflection, platformConfig, metaAccessExtensionProvider, target);
}
@Override
protected Value[] createNativeABICallerSaveRegisters(@SuppressWarnings("unused") GraalHotSpotVMConfig config, RegisterConfig regConfig) {
List callerSave = new ArrayList<>(regConfig.getAllocatableRegisters().asList());
// Removing callee-saved registers.
/* General Purpose Registers. */
callerSave.remove(ShadowedRISCV64.x2);
callerSave.remove(ShadowedRISCV64.x8);
callerSave.remove(ShadowedRISCV64.x9);
callerSave.remove(ShadowedRISCV64.x18);
callerSave.remove(ShadowedRISCV64.x19);
callerSave.remove(ShadowedRISCV64.x20);
callerSave.remove(ShadowedRISCV64.x21);
callerSave.remove(ShadowedRISCV64.x22);
callerSave.remove(ShadowedRISCV64.x23);
callerSave.remove(ShadowedRISCV64.x24);
callerSave.remove(ShadowedRISCV64.x25);
callerSave.remove(ShadowedRISCV64.x26);
callerSave.remove(ShadowedRISCV64.x27);
/* Floating-Point Registers. */
callerSave.remove(ShadowedRISCV64.f8);
callerSave.remove(ShadowedRISCV64.f9);
callerSave.remove(ShadowedRISCV64.f18);
callerSave.remove(ShadowedRISCV64.f19);
callerSave.remove(ShadowedRISCV64.f20);
callerSave.remove(ShadowedRISCV64.f21);
callerSave.remove(ShadowedRISCV64.f22);
callerSave.remove(ShadowedRISCV64.f23);
callerSave.remove(ShadowedRISCV64.f24);
callerSave.remove(ShadowedRISCV64.f25);
callerSave.remove(ShadowedRISCV64.f26);
callerSave.remove(ShadowedRISCV64.f27);
Value[] nativeABICallerSaveRegisters = new Value[callerSave.size()];
for (int i = 0; i < callerSave.size(); i++) {
nativeABICallerSaveRegisters[i] = callerSave.get(i).asValue();
}
return nativeABICallerSaveRegisters;
}
@Override
public String toString() {
return "RISCV64";
}
}
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