Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/LIRGeneratorTool.java @ 23347:f868bd0c3f02
Make CallingConvention in HotSpotHostBackend instead of passing it in as a parameter to GraalCompiler.compile
author | Christian Wimmer <christian.wimmer@oracle.com> |
---|---|
date | Thu, 21 Jan 2016 10:35:29 -0800 |
parents | 2160e7da7fb0 |
children |
line wrap: on
line source
/* * Copyright (c) 2011, 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.lir.gen; import jdk.vm.ci.code.BytecodePosition; import jdk.vm.ci.code.CodeCacheProvider; import jdk.vm.ci.code.Register; import jdk.vm.ci.code.RegisterAttributes; import jdk.vm.ci.code.TargetDescription; 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.JavaKind; import jdk.vm.ci.meta.LIRKind; import jdk.vm.ci.meta.MetaAccessProvider; import jdk.vm.ci.meta.PlatformKind; import jdk.vm.ci.meta.Value; import com.oracle.graal.compiler.common.calc.Condition; import com.oracle.graal.compiler.common.cfg.AbstractBlockBase; import com.oracle.graal.compiler.common.spi.CodeGenProviders; import com.oracle.graal.compiler.common.spi.ForeignCallLinkage; import com.oracle.graal.compiler.common.spi.ForeignCallsProvider; import com.oracle.graal.compiler.common.type.Stamp; import com.oracle.graal.lir.LIRFrameState; import com.oracle.graal.lir.LIRInstruction; import com.oracle.graal.lir.LabelRef; import com.oracle.graal.lir.SwitchStrategy; import com.oracle.graal.lir.Variable; public interface LIRGeneratorTool extends BenchmarkCounterFactory { /** * Factory for creating moves. */ public interface MoveFactory { /** * Checks whether the supplied constant can be used without loading it into a register for * most operations, i.e., for commonly used arithmetic, logical, and comparison operations. * * @param c The constant to check. * @return True if the constant can be used directly, false if the constant needs to be in a * register. */ boolean canInlineConstant(JavaConstant c); /** * @param constant The constant that might be moved to a stack slot. * @return {@code true} if constant to stack moves are supported for this constant. */ boolean allowConstantToStackMove(Constant constant); LIRInstruction createMove(AllocatableValue result, Value input); LIRInstruction createStackMove(AllocatableValue result, AllocatableValue input); LIRInstruction createLoad(AllocatableValue result, Constant input); } abstract class BlockScope implements AutoCloseable { public abstract AbstractBlockBase<?> getCurrentBlock(); public abstract void close(); } ArithmeticLIRGeneratorTool getArithmetic(); CodeGenProviders getProviders(); TargetDescription target(); MetaAccessProvider getMetaAccess(); CodeCacheProvider getCodeCache(); ForeignCallsProvider getForeignCalls(); AbstractBlockBase<?> getCurrentBlock(); LIRGenerationResult getResult(); boolean hasBlockEnd(AbstractBlockBase<?> block); MoveFactory getMoveFactory(); /** * Get a special {@link MoveFactory} for spill moves. * * The instructions returned by this factory must only depend on the input values. References to * values that require interaction with register allocation are strictly forbidden. */ MoveFactory getSpillMoveFactory(); BlockScope getBlockScope(AbstractBlockBase<?> block); Value emitConstant(LIRKind kind, Constant constant); Value emitJavaConstant(JavaConstant constant); /** * Some backends need to convert sub-word kinds to a larger kind in * {@link ArithmeticLIRGeneratorTool#emitLoad} and {@link #emitLoadConstant} because sub-word * registers can't be accessed. This method converts the {@link LIRKind} of a memory location or * constant to the {@link LIRKind} that will be used when it is loaded into a register. */ LIRKind toRegisterKind(LIRKind kind); AllocatableValue emitLoadConstant(LIRKind kind, Constant constant); void emitNullCheck(Value address, LIRFrameState state); Variable emitCompareAndSwap(Value address, Value expectedValue, Value newValue, Value trueValue, Value falseValue); /** * Emit an atomic read-and-add instruction. * * @param address address of the value to be read and written * @param delta the value to be added */ default Value emitAtomicReadAndAdd(Value address, Value delta) { throw JVMCIError.unimplemented(); } /** * Emit an atomic read-and-write instruction. * * @param address address of the value to be read and written * @param newValue the new value to be written */ default Value emitAtomicReadAndWrite(Value address, Value newValue) { throw JVMCIError.unimplemented(); } void emitDeoptimize(Value actionAndReason, Value failedSpeculation, LIRFrameState state); Variable emitForeignCall(ForeignCallLinkage linkage, LIRFrameState state, Value... args); RegisterAttributes attributes(Register register); /** * Create a new {@link Variable}. * * @param kind The type of the value that will be stored in this {@link Variable}. See * {@link LIRKind} for documentation on what to pass here. Note that in most cases, * simply passing {@link Value#getLIRKind()} is wrong. * @return A new {@link Variable}. */ Variable newVariable(LIRKind kind); Variable emitMove(Value input); void emitMove(AllocatableValue dst, Value src); void emitMoveConstant(AllocatableValue dst, Constant src); /** * Emits an op that loads the address of some raw data. * * @param dst the variable into which the address is loaded * @param data the data to be installed with the generated code */ void emitData(AllocatableValue dst, byte[] data); Variable emitAddress(AllocatableValue stackslot); void emitMembar(int barriers); void emitUnwind(Value operand); /** * Called just before register allocation is performed on the LIR owned by this generator. * Overriding implementations of this method must call the overridden method. */ void beforeRegisterAllocation(); void emitIncomingValues(Value[] params); /** * Emits a return instruction. Implementations need to insert a move if the input is not in the * correct location. */ void emitReturn(JavaKind javaKind, Value input); AllocatableValue asAllocatable(Value value); Variable load(Value value); Value loadNonConst(Value value); /** * Determines if only oop maps are required for the code generated from the LIR. */ boolean needOnlyOopMaps(); /** * Gets the ABI specific operand used to return a value of a given kind from a method. * * @param javaKind the {@link JavaKind} of value being returned * @param lirKind the backend type of the value being returned * @return the operand representing the ABI defined location used return a value of kind * {@code kind} */ AllocatableValue resultOperandFor(JavaKind javaKind, LIRKind lirKind); <I extends LIRInstruction> I append(I op); void setInfo(BytecodePosition position); void emitJump(LabelRef label); void emitCompareBranch(PlatformKind cmpKind, Value left, Value right, Condition cond, boolean unorderedIsTrue, LabelRef trueDestination, LabelRef falseDestination, double trueDestinationProbability); void emitOverflowCheckBranch(LabelRef overflow, LabelRef noOverflow, LIRKind cmpKind, double overflowProbability); void emitIntegerTestBranch(Value left, Value right, LabelRef trueDestination, LabelRef falseDestination, double trueSuccessorProbability); Variable emitConditionalMove(PlatformKind cmpKind, Value leftVal, Value right, Condition cond, boolean unorderedIsTrue, Value trueValue, Value falseValue); Variable emitIntegerTestMove(Value leftVal, Value right, Value trueValue, Value falseValue); void emitStrategySwitch(JavaConstant[] keyConstants, double[] keyProbabilities, LabelRef[] keyTargets, LabelRef defaultTarget, Variable value); void emitStrategySwitch(SwitchStrategy strategy, Variable key, LabelRef[] keyTargets, LabelRef defaultTarget); Variable emitByteSwap(Value operand); Variable emitArrayEquals(JavaKind kind, Value array1, Value array2, Value length); void emitBlackhole(Value operand); LIRKind getLIRKind(Stamp stamp); void emitPause(); }