package org.graalvm.compiler.truffle.compiler.hotspot.sparc;
import static jdk.vm.ci.hotspot.HotSpotCallingConventionType.JavaCall;
import static jdk.vm.ci.meta.JavaKind.Object;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.BranchPredict.PREDICT_NOT_TAKEN;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.CC.Xcc;
import static org.graalvm.compiler.asm.sparc.SPARCAssembler.ConditionFlag.Equal;
import org.graalvm.compiler.asm.Assembler;
import org.graalvm.compiler.asm.Label;
import org.graalvm.compiler.asm.sparc.SPARCAddress;
import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.ScratchRegister;
import org.graalvm.compiler.code.CompilationResult;
import org.graalvm.compiler.core.common.CompressEncoding;
import org.graalvm.compiler.core.common.spi.CodeGenProviders;
import org.graalvm.compiler.debug.DebugContext;
import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
import org.graalvm.compiler.hotspot.sparc.SPARCHotSpotMove;
import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
import org.graalvm.compiler.lir.asm.DataBuilder;
import org.graalvm.compiler.lir.asm.FrameContext;
import org.graalvm.compiler.lir.framemap.FrameMap;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.serviceprovider.ServiceProvider;
import org.graalvm.compiler.truffle.compiler.hotspot.TruffleCallBoundaryInstrumentation;
import org.graalvm.compiler.truffle.compiler.hotspot.TruffleCallBoundaryInstrumentationFactory;
import jdk.vm.ci.code.Register;
import jdk.vm.ci.meta.MetaAccessProvider;
@ServiceProvider(TruffleCallBoundaryInstrumentationFactory.class)
public class SPARCTruffleCallBoundaryInstumentationFactory extends TruffleCallBoundaryInstrumentationFactory {
@Override
public CompilationResultBuilderFactory create(MetaAccessProvider metaAccess, GraalHotSpotVMConfig config, HotSpotRegistersProvider registers) {
return new TruffleCompilationResultBuilderFactory(metaAccess, config, registers) {
@Override
public CompilationResultBuilder createBuilder(CodeGenProviders providers, FrameMap frameMap, Assembler asm, DataBuilder dataBuilder,
FrameContext frameContext,
OptionValues options, DebugContext debug, CompilationResult compilationResult, Register nullRegister) {
return new TruffleCallBoundaryInstrumentation(providers, frameMap, asm, dataBuilder, frameContext, options, debug, compilationResult, config, registers) {
@Override
protected void injectTailCallCode(int installedCodeOffset, int entryPointOffset) {
SPARCMacroAssembler masm = (SPARCMacroAssembler) this.asm;
try (ScratchRegister scratch = masm.getScratchRegister()) {
Register thisRegister = codeCache.getRegisterConfig().getCallingConventionRegisters(JavaCall, Object).get(0);
Register spillRegister = scratch.getRegister();
Label doProlog = new Label();
if (config.useCompressedOops) {
CompressEncoding encoding = config.getOopEncoding();
masm.ld(new SPARCAddress(thisRegister, installedCodeOffset), spillRegister, 4, false);
Register baseReg = encoding.hasBase() ? registers.getHeapBaseRegister() : null;
SPARCHotSpotMove.UncompressPointer.emitUncompressCode(masm, spillRegister, spillRegister, baseReg, encoding.getShift(), true);
} else {
masm.ldx(new SPARCAddress(thisRegister, installedCodeOffset), spillRegister);
}
masm.ldx(new SPARCAddress(spillRegister, entryPointOffset), spillRegister);
masm.compareBranch(spillRegister, 0, Equal, Xcc, doProlog, PREDICT_NOT_TAKEN, null);
masm.jmp(spillRegister);
masm.nop();
masm.bind(doProlog);
}
}
};
}
};
}
@Override
public String getArchitecture() {
return "SPARC";
}
}