Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/framemap/DelayedFrameMapBuilder.java @ 18452:94b184d89f11
FrameMappingToolImpl: inline TrackedVirtualStackSlot.transform().
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Mon, 17 Nov 2014 19:32:05 +0100 |
parents | 626c267521fe |
children | e3376d3e3160 |
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/* * Copyright (c) 2014, 2014, 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 com.oracle.graal.lir.framemap; import java.util.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.gen.*; /** * A FrameMapBuilder that records allocation. */ public class DelayedFrameMapBuilder implements FrameMapBuilder { @FunctionalInterface public interface FrameMapFactory { FrameMap newFrameMap(RegisterConfig registerConfig); } private final RegisterConfig registerConfig; private final CodeCacheProvider codeCache; protected final FrameMap frameMap; private final List<TrackedVirtualStackSlot> stackSlots; private final List<CallingConvention> calls; public DelayedFrameMapBuilder(FrameMapFactory factory, CodeCacheProvider codeCache, RegisterConfig registerConfig) { this.registerConfig = registerConfig == null ? codeCache.getRegisterConfig() : registerConfig; this.codeCache = codeCache; this.frameMap = factory.newFrameMap(registerConfig); this.stackSlots = new ArrayList<>(); this.calls = new ArrayList<>(); this.mappables = new ArrayList<>(); } private final List<FrameMappable> mappables; public VirtualStackSlot allocateSpillSlot(LIRKind kind) { SimpleVirtualStackSlot slot = new SimpleVirtualStackSlot(kind); stackSlots.add(slot); return slot; } abstract class TrackedVirtualStackSlot extends VirtualStackSlot { /** * */ private static final long serialVersionUID = 408446797222290182L; public TrackedVirtualStackSlot(LIRKind lirKind) { super(lirKind); } public abstract StackSlot transform(); } class SimpleVirtualStackSlot extends TrackedVirtualStackSlot { private static final long serialVersionUID = 7654295701165421750L; public SimpleVirtualStackSlot(LIRKind lirKind) { super(lirKind); } @Override public StackSlot transform() { return frameMap.allocateSpillSlot(getLIRKind()); } } class VirtualStackSlotRange extends TrackedVirtualStackSlot { private static final long serialVersionUID = 5152592950118317121L; private final BitSet objects; private final int slots; public VirtualStackSlotRange(int slots, BitSet objects) { super(LIRKind.reference(Kind.Object)); this.slots = slots; this.objects = (BitSet) objects.clone(); } @Override public StackSlot transform() { return frameMap.allocateStackSlots(getSlots(), getObjects()); } public int getSlots() { return slots; } public BitSet getObjects() { return (BitSet) objects.clone(); } } public VirtualStackSlot allocateStackSlots(int slots, BitSet objects, List<VirtualStackSlot> outObjectStackSlots) { if (slots == 0) { return null; } if (outObjectStackSlots != null) { throw GraalInternalError.unimplemented(); } VirtualStackSlotRange slot = new VirtualStackSlotRange(slots, objects); stackSlots.add(slot); return slot; } public RegisterConfig getRegisterConfig() { return registerConfig; } public CodeCacheProvider getCodeCache() { return codeCache; } public void callsMethod(CallingConvention cc) { calls.add(cc); } public FrameMap buildFrameMap(LIRGenerationResult res) { HashMap<VirtualStackSlot, StackSlot> mapping = new HashMap<>(); // fill FrameMappingToolImpl tool = new FrameMappingToolImpl(mapping, this); tool.mapStackSlots(); for (CallingConvention cc : calls) { frameMap.callsMethod(cc); } // rewrite mappables.forEach(m -> m.map(tool)); frameMap.finish(); return frameMap; } public void requireMapping(FrameMappable mappable) { this.mappables.add(mappable); } List<TrackedVirtualStackSlot> getStackSlots() { return stackSlots; } }