--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SPARCMoveFactory.java 2017-02-15 16:57:21.974369270 -0800 @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2015, 2016, 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.core.sparc; + +import static org.graalvm.compiler.lir.LIRValueUtil.asConstant; +import static org.graalvm.compiler.lir.LIRValueUtil.isConstantValue; +import static org.graalvm.compiler.lir.LIRValueUtil.isStackSlotValue; + +import org.graalvm.compiler.asm.sparc.SPARCAssembler; +import org.graalvm.compiler.core.common.type.DataPointerConstant; +import org.graalvm.compiler.core.sparc.SPARCLIRGenerator.ConstantTableBaseProvider; +import org.graalvm.compiler.debug.GraalError; +import org.graalvm.compiler.lir.LIRInstruction; +import org.graalvm.compiler.lir.gen.LIRGeneratorTool.MoveFactory; +import org.graalvm.compiler.lir.sparc.SPARCAddressValue; +import org.graalvm.compiler.lir.sparc.SPARCMove; +import org.graalvm.compiler.lir.sparc.SPARCMove.LoadAddressOp; +import org.graalvm.compiler.lir.sparc.SPARCMove.Move; + +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 SPARCMoveFactory implements MoveFactory { + + protected final ConstantTableBaseProvider constantTableBaseProvider; + + public SPARCMoveFactory(ConstantTableBaseProvider constantTableBaseProvider) { + 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 SPARCAddressValue) { + return new LoadAddressOp(dst, (SPARCAddressValue) src); + } else { + assert src instanceof AllocatableValue; + if (srcIsSlot && dstIsSlot) { + throw GraalError.shouldNotReachHere(src.getClass() + " " + dst.getClass()); + } else { + return new Move(dst, (AllocatableValue) src); + } + } + } + + @Override + public LIRInstruction createStackMove(AllocatableValue result, AllocatableValue input) { + return new SPARCMove.Move(result, input); + } + + @Override + public LIRInstruction createLoad(AllocatableValue dst, Constant src) { + if (src instanceof JavaConstant) { + JavaConstant javaConstant = (JavaConstant) src; + if (canInlineConstant(javaConstant)) { + return new SPARCMove.LoadInlineConstant(javaConstant, dst); + } else { + return new SPARCMove.LoadConstantFromTable(javaConstant, constantTableBaseProvider.getConstantTableBase(), dst); + } + } else if (src instanceof DataPointerConstant) { + return new SPARCMove.LoadDataAddressOp(dst, (DataPointerConstant) src); + } else { + throw GraalError.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()); + case Long: + return SPARCAssembler.isSimm13(c.asLong()); + case Object: + return c.isNull(); + default: + return false; + } + } + + @Override + public boolean allowConstantToStackMove(Constant value) { + return false; + } + +}