hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotNodeLIRBuilder.java
changeset 43972 1ade39b8381b
child 46344 694c102fd8ed
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotNodeLIRBuilder.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,212 @@
+/*
+ * 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 org.graalvm.compiler.hotspot.amd64;
+
+import static org.graalvm.compiler.hotspot.HotSpotBackend.EXCEPTION_HANDLER_IN_CALLER;
+import static jdk.vm.ci.amd64.AMD64.rbp;
+import static jdk.vm.ci.code.ValueUtil.isStackSlot;
+
+import org.graalvm.compiler.core.amd64.AMD64NodeLIRBuilder;
+import org.graalvm.compiler.core.amd64.AMD64NodeMatchRules;
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
+import org.graalvm.compiler.core.gen.DebugInfoBuilder;
+import org.graalvm.compiler.debug.Debug;
+import org.graalvm.compiler.hotspot.HotSpotDebugInfoBuilder;
+import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
+import org.graalvm.compiler.hotspot.HotSpotLockStack;
+import org.graalvm.compiler.hotspot.HotSpotNodeLIRBuilder;
+import org.graalvm.compiler.hotspot.nodes.DirectCompareAndSwapNode;
+import org.graalvm.compiler.hotspot.nodes.HotSpotDirectCallTargetNode;
+import org.graalvm.compiler.hotspot.nodes.HotSpotIndirectCallTargetNode;
+import org.graalvm.compiler.lir.LIRFrameState;
+import org.graalvm.compiler.lir.Variable;
+import org.graalvm.compiler.lir.amd64.AMD64BreakpointOp;
+import org.graalvm.compiler.lir.amd64.AMD64Move.CompareAndSwapOp;
+import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
+import org.graalvm.compiler.nodes.BreakpointNode;
+import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
+import org.graalvm.compiler.nodes.DirectCallTargetNode;
+import org.graalvm.compiler.nodes.FullInfopointNode;
+import org.graalvm.compiler.nodes.IndirectCallTargetNode;
+import org.graalvm.compiler.nodes.ParameterNode;
+import org.graalvm.compiler.nodes.SafepointNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.spi.NodeValueMap;
+
+import jdk.vm.ci.amd64.AMD64;
+import jdk.vm.ci.amd64.AMD64Kind;
+import jdk.vm.ci.code.BytecodeFrame;
+import jdk.vm.ci.code.CallingConvention;
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterValue;
+import jdk.vm.ci.code.StackSlot;
+import jdk.vm.ci.code.ValueUtil;
+import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
+import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
+import jdk.vm.ci.meta.AllocatableValue;
+import jdk.vm.ci.meta.JavaType;
+import jdk.vm.ci.meta.Value;
+
+/**
+ * LIR generator specialized for AMD64 HotSpot.
+ */
+public class AMD64HotSpotNodeLIRBuilder extends AMD64NodeLIRBuilder implements HotSpotNodeLIRBuilder {
+
+    public AMD64HotSpotNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool gen, AMD64NodeMatchRules nodeMatchRules) {
+        super(graph, gen, nodeMatchRules);
+        assert gen instanceof AMD64HotSpotLIRGenerator;
+        assert getDebugInfoBuilder() instanceof HotSpotDebugInfoBuilder;
+        ((AMD64HotSpotLIRGenerator) gen).setDebugInfoBuilder(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()));
+    }
+
+    private AMD64HotSpotLIRGenerator getGen() {
+        return (AMD64HotSpotLIRGenerator) gen;
+    }
+
+    @Override
+    protected DebugInfoBuilder createDebugInfoBuilder(StructuredGraph graph, NodeValueMap nodeValueMap) {
+        HotSpotLockStack lockStack = new HotSpotLockStack(gen.getResult().getFrameMapBuilder(), LIRKind.value(AMD64Kind.QWORD));
+        return new HotSpotDebugInfoBuilder(nodeValueMap, lockStack, (HotSpotLIRGenerator) gen);
+    }
+
+    @Override
+    protected void emitPrologue(StructuredGraph graph) {
+
+        CallingConvention incomingArguments = gen.getResult().getCallingConvention();
+
+        Value[] params = new Value[incomingArguments.getArgumentCount() + 1];
+        for (int i = 0; i < params.length - 1; i++) {
+            params[i] = incomingArguments.getArgument(i);
+            if (isStackSlot(params[i])) {
+                StackSlot slot = ValueUtil.asStackSlot(params[i]);
+                if (slot.isInCallerFrame() && !gen.getResult().getLIR().hasArgInCallerFrame()) {
+                    gen.getResult().getLIR().setHasArgInCallerFrame();
+                }
+            }
+        }
+        params[params.length - 1] = rbp.asValue(LIRKind.value(AMD64Kind.QWORD));
+
+        gen.emitIncomingValues(params);
+
+        getGen().emitSaveRbp();
+
+        getGen().append(((HotSpotDebugInfoBuilder) getDebugInfoBuilder()).lockStack());
+
+        for (ParameterNode param : graph.getNodes(ParameterNode.TYPE)) {
+            Value paramValue = params[param.index()];
+            assert paramValue.getValueKind().equals(getLIRGeneratorTool().getLIRKind(param.stamp())) : paramValue.getValueKind() + " != " + param.stamp();
+            setResult(param, gen.emitMove(paramValue));
+        }
+    }
+
+    @Override
+    public void visitSafepointNode(SafepointNode i) {
+        LIRFrameState info = state(i);
+        append(new AMD64HotSpotSafepointOp(info, getGen().config, this));
+    }
+
+    @Override
+    protected void emitDirectCall(DirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
+        InvokeKind invokeKind = ((HotSpotDirectCallTargetNode) callTarget).invokeKind();
+        if (invokeKind.isIndirect()) {
+            append(new AMD64HotspotDirectVirtualCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
+        } else {
+            assert invokeKind.isDirect();
+            HotSpotResolvedJavaMethod resolvedMethod = (HotSpotResolvedJavaMethod) callTarget.targetMethod();
+            assert resolvedMethod.isConcrete() : "Cannot make direct call to abstract method.";
+            append(new AMD64HotSpotDirectStaticCallOp(callTarget.targetMethod(), result, parameters, temps, callState, invokeKind, getGen().config));
+        }
+    }
+
+    @Override
+    protected void emitIndirectCall(IndirectCallTargetNode callTarget, Value result, Value[] parameters, Value[] temps, LIRFrameState callState) {
+        if (callTarget instanceof HotSpotIndirectCallTargetNode) {
+            Value metaspaceMethodSrc = operand(((HotSpotIndirectCallTargetNode) callTarget).metaspaceMethod());
+            Value targetAddressSrc = operand(callTarget.computedAddress());
+            AllocatableValue metaspaceMethodDst = AMD64.rbx.asValue(metaspaceMethodSrc.getValueKind());
+            AllocatableValue targetAddressDst = AMD64.rax.asValue(targetAddressSrc.getValueKind());
+            gen.emitMove(metaspaceMethodDst, metaspaceMethodSrc);
+            gen.emitMove(targetAddressDst, targetAddressSrc);
+            append(new AMD64IndirectCallOp(callTarget.targetMethod(), result, parameters, temps, metaspaceMethodDst, targetAddressDst, callState, getGen().config));
+        } else {
+            super.emitIndirectCall(callTarget, result, parameters, temps, callState);
+        }
+    }
+
+    @Override
+    public void emitPatchReturnAddress(ValueNode address) {
+        append(new AMD64HotSpotPatchReturnAddressOp(gen.load(operand(address))));
+    }
+
+    @Override
+    public void emitJumpToExceptionHandlerInCaller(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) {
+        Variable handler = gen.load(operand(handlerInCallerPc));
+        ForeignCallLinkage linkage = gen.getForeignCalls().lookupForeignCall(EXCEPTION_HANDLER_IN_CALLER);
+        CallingConvention outgoingCc = linkage.getOutgoingCallingConvention();
+        assert outgoingCc.getArgumentCount() == 2;
+        RegisterValue exceptionFixed = (RegisterValue) outgoingCc.getArgument(0);
+        RegisterValue exceptionPcFixed = (RegisterValue) outgoingCc.getArgument(1);
+        gen.emitMove(exceptionFixed, operand(exception));
+        gen.emitMove(exceptionPcFixed, operand(exceptionPc));
+        Register thread = getGen().getProviders().getRegisters().getThreadRegister();
+        AMD64HotSpotJumpToExceptionHandlerInCallerOp op = new AMD64HotSpotJumpToExceptionHandlerInCallerOp(handler, exceptionFixed, exceptionPcFixed, getGen().config.threadIsMethodHandleReturnOffset,
+                        thread);
+        append(op);
+    }
+
+    @Override
+    public void visitFullInfopointNode(FullInfopointNode i) {
+        if (i.getState() != null && i.getState().bci == BytecodeFrame.AFTER_BCI) {
+            Debug.log("Ignoring InfopointNode for AFTER_BCI");
+        } else {
+            super.visitFullInfopointNode(i);
+        }
+    }
+
+    @Override
+    public void visitDirectCompareAndSwap(DirectCompareAndSwapNode x) {
+        Value expected = gen.loadNonConst(operand(x.expectedValue()));
+        Variable newVal = gen.load(operand(x.newValue()));
+        assert expected.getValueKind().equals(newVal.getValueKind());
+
+        RegisterValue raxLocal = AMD64.rax.asValue(expected.getValueKind());
+        gen.emitMove(raxLocal, expected);
+        append(new CompareAndSwapOp((AMD64Kind) expected.getPlatformKind(), raxLocal, getGen().asAddressValue(operand(x.getAddress())), raxLocal, newVal));
+
+        setResult(x, gen.emitMove(raxLocal));
+    }
+
+    @Override
+    public void visitBreakpointNode(BreakpointNode node) {
+        JavaType[] sig = new JavaType[node.arguments().size()];
+        for (int i = 0; i < sig.length; i++) {
+            sig[i] = node.arguments().get(i).stamp().javaType(gen.getMetaAccess());
+        }
+
+        Value[] parameters = visitInvokeArguments(gen.getResult().getFrameMapBuilder().getRegisterConfig().getCallingConvention(HotSpotCallingConventionType.JavaCall, null, sig, gen),
+                        node.arguments());
+        append(new AMD64BreakpointOp(parameters));
+    }
+}