Mercurial > hg > graal-compiler
view graal/com.oracle.graal.compiler.aarch64/src/com/oracle/graal/compiler/aarch64/AArch64MoveFactory.java @ 23217:a1bfeec72458
AArch64 Graal Port
author | twisti |
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date | Thu, 24 Dec 2015 11:43:35 -1000 |
parents | |
children | 0a2e40f7a5d2 |
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/* * Copyright (c) 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 com.oracle.graal.compiler.aarch64; import static com.oracle.graal.lir.LIRValueUtil.asConstant; import static com.oracle.graal.lir.LIRValueUtil.isConstantValue; import static com.oracle.graal.lir.LIRValueUtil.isStackSlotValue; import com.oracle.graal.compiler.aarch64.AArch64LIRGenerator.ConstantTableBaseProvider; import com.oracle.graal.lir.LIRInstruction; import com.oracle.graal.lir.aarch64.AArch64AddressValue; import com.oracle.graal.lir.aarch64.AArch64Move.LoadAddressOp; import com.oracle.graal.lir.gen.LIRGeneratorTool.MoveFactory; import jdk.vm.ci.code.CodeCacheProvider; import jdk.vm.ci.common.JVMCIError; import jdk.vm.ci.meta.AllocatableValue; import jdk.vm.ci.meta.Constant; import jdk.vm.ci.meta.JavaConstant; import jdk.vm.ci.meta.Value; public class AArch64MoveFactory implements MoveFactory { private final CodeCacheProvider codeCache; protected final ConstantTableBaseProvider constantTableBaseProvider; public AArch64MoveFactory(CodeCacheProvider codeCache, ConstantTableBaseProvider constantTableBaseProvider) { this.codeCache = codeCache; this.constantTableBaseProvider = constantTableBaseProvider; } @Override public LIRInstruction createMove(AllocatableValue dst, Value src) { boolean srcIsSlot = isStackSlotValue(src); boolean dstIsSlot = isStackSlotValue(dst); if (isConstantValue(src)) { return createLoad(dst, asConstant(src)); } else if (src instanceof AArch64AddressValue) { return new LoadAddressOp(dst, (AArch64AddressValue) src); } else { assert src instanceof AllocatableValue; if (srcIsSlot && dstIsSlot) { throw JVMCIError.shouldNotReachHere(src.getClass() + " " + dst.getClass()); } else { // return new Move(dst, (AllocatableValue) src); throw JVMCIError.unimplemented(); } } } @Override public LIRInstruction createStackMove(AllocatableValue result, AllocatableValue input) { // return new AArch64Move.Move(result, input); throw JVMCIError.unimplemented(); } @Override public LIRInstruction createLoad(AllocatableValue dst, Constant src) { if (src instanceof JavaConstant) { JavaConstant javaConstant = (JavaConstant) src; if (canInlineConstant(javaConstant)) { // return new AArch64Move.LoadInlineConstant(javaConstant, dst); throw JVMCIError.unimplemented(); } else { // return new AArch64Move.LoadConstantFromTable(javaConstant, // constantTableBaseProvider.getConstantTableBase(), dst); throw JVMCIError.unimplemented(); } } else { throw JVMCIError.shouldNotReachHere(src.getClass().toString()); } } @Override public boolean canInlineConstant(JavaConstant c) { switch (c.getJavaKind()) { case Boolean: case Byte: case Char: case Short: case Int: // return SPARCAssembler.isSimm13(c.asInt()) && !codeCache.needsDataPatch(c); boolean x = !codeCache.needsDataPatch(c); throw JVMCIError.unimplemented("needsDataPatch=" + x); case Long: // return SPARCAssembler.isSimm13(c.asLong()) && !codeCache.needsDataPatch(c); boolean y = !codeCache.needsDataPatch(c); throw JVMCIError.unimplemented("needsDataPatch=" + y); case Object: return c.isNull(); default: return false; } } @Override public boolean allowConstantToStackMove(Constant value) { return false; } }