Examples with SPARCMacroAssembler org.graalvm.compiler.asm.sparc.SPARCMacroAssembler used on opensource projects

Example 6 with SPARCMacroAssembler

use of org.graalvm.compiler.asm.sparc.SPARCMacroAssembler in project graal by oracle.

the class SPARCHotSpotBackend method emitCode.

@Override
public void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner) {
    SPARCMacroAssembler masm = (SPARCMacroAssembler) crb.asm;
    // TODO: (sa) Fold the two traversals into one
    stuffDelayedControlTransfers(lir);
    int constantSize = calculateConstantSize(lir);
    boolean canUseImmediateConstantLoad = constantSize < (1 << 13);
    masm.setImmediateConstantLoad(canUseImmediateConstantLoad);
    FrameMap frameMap = crb.frameMap;
    RegisterConfig regConfig = frameMap.getRegisterConfig();
    Label unverifiedStub = installedCodeOwner == null || installedCodeOwner.isStatic() ? null : new Label();
    for (int i = 0; i < 2; i++) {
        if (i > 0) {
            crb.resetForEmittingCode();
            lir.resetLabels();
            resetDelayedControlTransfers(lir);
        }
        // Emit the prefix
        if (unverifiedStub != null) {
            crb.recordMark(config.MARKID_UNVERIFIED_ENTRY);
            // We need to use JavaCall here because we haven't entered the frame yet.
            CallingConvention cc = regConfig.getCallingConvention(HotSpotCallingConventionType.JavaCall, null, new JavaType[] { getProviders().getMetaAccess().lookupJavaType(Object.class) }, this);
            // see MacroAssembler::ic_call
            Register inlineCacheKlass = g5;
            try (ScratchRegister sc = masm.getScratchRegister()) {
                Register scratch = sc.getRegister();
                Register receiver = asRegister(cc.getArgument(0));
                SPARCAddress src = new SPARCAddress(receiver, config.hubOffset);
                masm.ldx(src, scratch);
                masm.cmp(scratch, inlineCacheKlass);
            }
            BPCC.emit(masm, Xcc, NotEqual, NOT_ANNUL, PREDICT_NOT_TAKEN, unverifiedStub);
            // delay slot
            masm.nop();
        }
        masm.align(config.codeEntryAlignment);
        crb.recordMark(config.MARKID_OSR_ENTRY);
        crb.recordMark(config.MARKID_VERIFIED_ENTRY);
        // Emit code for the LIR
        crb.emit(lir);
    }
    profileInstructions(lir, crb);
    HotSpotFrameContext frameContext = (HotSpotFrameContext) crb.frameContext;
    HotSpotForeignCallsProvider foreignCalls = getProviders().getForeignCalls();
    if (!frameContext.isStub) {
        crb.recordMark(config.MARKID_EXCEPTION_HANDLER_ENTRY);
        SPARCCall.directCall(crb, masm, foreignCalls.lookupForeignCall(EXCEPTION_HANDLER), null, null);
        crb.recordMark(config.MARKID_DEOPT_HANDLER_ENTRY);
        SPARCCall.directCall(crb, masm, foreignCalls.lookupForeignCall(DEOPTIMIZATION_HANDLER), null, null);
    } else {
    // No need to emit the stubs for entries back into the method since
    // it has no calls that can cause such "return" entries
    }
    if (unverifiedStub != null) {
        masm.bind(unverifiedStub);
        try (ScratchRegister sc = masm.getScratchRegister()) {
            Register scratch = sc.getRegister();
            SPARCCall.indirectJmp(crb, masm, scratch, foreignCalls.lookupForeignCall(IC_MISS_HANDLER));
        }
    }
    masm.peephole();
}