jdk.graal.compiler.hotspot.aarch64.z.AArch64HotSpotZStoreBarrieredOp Maven / Gradle / Ivy

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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.
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package jdk.graal.compiler.hotspot.aarch64.z;

import static jdk.graal.compiler.lir.LIRInstruction.OperandFlag.COMPOSITE;
import static jdk.graal.compiler.lir.LIRInstruction.OperandFlag.REG;

import jdk.graal.compiler.core.common.spi.ForeignCallLinkage;
import jdk.graal.compiler.hotspot.GraalHotSpotVMConfig;
import jdk.graal.compiler.hotspot.ZWriteBarrierSetLIRGeneratorTool;
import jdk.graal.compiler.lir.LIRInstruction;
import jdk.graal.compiler.lir.LIRInstructionClass;
import jdk.graal.compiler.lir.aarch64.AArch64AddressValue;
import jdk.graal.compiler.lir.aarch64.AArch64LIRInstruction;
import jdk.vm.ci.meta.AllocatableValue;

/**
 * Base class for ops that require a store barrier. It ensures that the main values used in the
 * store barrier are available and have the correct lifetimes.
 */
public abstract class AArch64HotSpotZStoreBarrieredOp extends AArch64LIRInstruction {
    public static final LIRInstructionClass TYPE = LIRInstructionClass.create(AArch64HotSpotZStoreBarrieredOp.class);

    @LIRInstruction.Def({REG}) protected AllocatableValue result;
    @LIRInstruction.Alive({COMPOSITE}) protected AArch64AddressValue storeAddress;
    @LIRInstruction.Temp protected AllocatableValue tmp;
    @LIRInstruction.Temp protected AllocatableValue tmp2;

    protected final GraalHotSpotVMConfig config;
    protected final ForeignCallLinkage callTarget;

    protected final ZWriteBarrierSetLIRGeneratorTool.StoreKind storeKind;

    protected AArch64HotSpotZStoreBarrieredOp(LIRInstructionClass type,
                    AllocatableValue result,
                    AArch64AddressValue storeAddress,
                    AllocatableValue tmp,
                    AllocatableValue tmp2,
                    GraalHotSpotVMConfig config,
                    ForeignCallLinkage callTarget,
                    ZWriteBarrierSetLIRGeneratorTool.StoreKind storeKind) {
        super(type);
        this.result = result;
        this.storeAddress = storeAddress;
        this.tmp = tmp;
        this.tmp2 = tmp2;
        this.config = config;
        this.callTarget = callTarget;
        this.storeKind = storeKind;
    }
}