Mercurial > hg > truffle
view graal/com.oracle.graal.lir.hsail/src/com/oracle/graal/lir/hsail/HSAILMove.java @ 12503:d7f8dd4fe876
minor reformatting based on 'mx eclipseformat'
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 21 Oct 2013 18:10:32 +0200 |
parents | fa2fe7dd7a54 |
children | d59a65c11feb |
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/* * Copyright (c) 2013, 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.hsail; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.hsail.*; import com.oracle.graal.debug.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.StandardOp.MoveOp; import com.oracle.graal.lir.asm.*; /** * Implementation of move instructions. */ public class HSAILMove { // Stack size in bytes (used to keep track of spilling). static int maxDatatypeSize; // Maximum stack offset used by a store operation. static long maxStackOffset = 0; public static long upperBoundStackSize() { return maxStackOffset + maxDatatypeSize; } @Opcode("MOVE") public static class SpillMoveOp extends HSAILLIRInstruction implements MoveOp { @Def({REG, STACK}) protected AllocatableValue result; @Use({REG, STACK, CONST}) protected Value input; public SpillMoveOp(AllocatableValue result, Value input) { this.result = result; this.input = input; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { move(tasm, masm, getResult(), getInput()); } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } } @Opcode("MOVE") public static class MoveToRegOp extends HSAILLIRInstruction implements MoveOp { @Def({REG, HINT}) protected AllocatableValue result; @Use({REG, STACK, CONST}) protected Value input; public MoveToRegOp(AllocatableValue result, Value input) { this.result = result; this.input = input; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { move(tasm, masm, getResult(), getInput()); } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } } @Opcode("MOVE") public static class MoveFromRegOp extends HSAILLIRInstruction implements MoveOp { @Def({REG, STACK}) protected AllocatableValue result; @Use({REG, CONST, HINT}) protected Value input; public MoveFromRegOp(AllocatableValue result, Value input) { this.result = result; this.input = input; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { move(tasm, masm, getResult(), getInput()); } @Override public Value getInput() { return input; } @Override public AllocatableValue getResult() { return result; } } public abstract static class MemOp extends HSAILLIRInstruction { protected final Kind kind; @Use({COMPOSITE}) protected HSAILAddressValue address; @State protected LIRFrameState state; public MemOp(Kind kind, HSAILAddressValue address, LIRFrameState state) { this.kind = kind; this.address = address; this.state = state; } protected abstract void emitMemAccess(HSAILAssembler masm); @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { if (state != null) { // tasm.recordImplicitException(masm.codeBuffer.position(), state); throw new InternalError("NYI"); } emitMemAccess(masm); } } public static class LoadOp extends MemOp { @Def({REG}) protected AllocatableValue result; public LoadOp(Kind kind, AllocatableValue result, HSAILAddressValue address, LIRFrameState state) { super(kind, address, state); this.result = result; } @Override public void emitMemAccess(HSAILAssembler masm) { HSAILAddress addr = address.toAddress(); masm.emitLoad(kind, result, addr); } } public static class StoreOp extends MemOp { @Use({REG}) protected AllocatableValue input; public StoreOp(Kind kind, HSAILAddressValue address, AllocatableValue input, LIRFrameState state) { super(kind, address, state); this.input = input; } @Override public void emitMemAccess(HSAILAssembler masm) { assert isRegister(input); HSAILAddress addr = address.toAddress(); masm.emitStore(kind, input, addr); } } public static class LoadCompressedPointer extends LoadOp { private long narrowOopBase; private int narrowOopShift; private int logMinObjAlignment; @Temp({REG}) private AllocatableValue scratch; public LoadCompressedPointer(Kind kind, AllocatableValue result, AllocatableValue scratch, HSAILAddressValue address, LIRFrameState state, long narrowOopBase, int narrowOopShift, int logMinObjAlignment) { super(kind, result, address, state); this.narrowOopBase = narrowOopBase; this.narrowOopShift = narrowOopShift; this.logMinObjAlignment = logMinObjAlignment; this.scratch = scratch; assert kind == Kind.Object; } @Override public void emitMemAccess(HSAILAssembler masm) { // we will do a 32 bit load, zero extending into a 64 bit register masm.emitLoad(result, address.toAddress(), "u32"); decodePointer(masm, result, narrowOopBase, narrowOopShift, logMinObjAlignment); } } public static class StoreCompressedPointer extends HSAILLIRInstruction { protected final Kind kind; private long narrowOopBase; private int narrowOopShift; private int logMinObjAlignment; @Temp({REG}) private AllocatableValue scratch; @Alive({REG}) protected AllocatableValue input; @Alive({COMPOSITE}) protected HSAILAddressValue address; @State protected LIRFrameState state; public StoreCompressedPointer(Kind kind, HSAILAddressValue address, AllocatableValue input, AllocatableValue scratch, LIRFrameState state, long narrowOopBase, int narrowOopShift, int logMinObjAlignment) { this.narrowOopBase = narrowOopBase; this.narrowOopShift = narrowOopShift; this.logMinObjAlignment = logMinObjAlignment; this.scratch = scratch; this.kind = kind; this.address = address; this.state = state; this.input = input; assert kind == Kind.Object; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { masm.emitMov(scratch, input); encodePointer(masm, scratch, narrowOopBase, narrowOopShift, logMinObjAlignment); if (state != null) { throw new InternalError("NYI"); // tasm.recordImplicitException(masm.codeBuffer.position(), state); } masm.emitStore(scratch, address.toAddress(), "u32"); } } private static void encodePointer(HSAILAssembler masm, Value scratch, long narrowOopBase, int narrowOopShift, int logMinObjAlignment) { if (narrowOopBase == 0 && narrowOopShift == 0) { return; } if (narrowOopShift != 0) { assert logMinObjAlignment == narrowOopShift : "Encode algorithm is wrong"; } masm.emitCompressedOopEncode(scratch, narrowOopBase, narrowOopShift); } private static void decodePointer(HSAILAssembler masm, Value result, long narrowOopBase, int narrowOopShift, int logMinObjAlignment) { if (narrowOopBase == 0 && narrowOopShift == 0) { return; } if (narrowOopShift != 0) { assert logMinObjAlignment == narrowOopShift : "Decode algorithm is wrong"; } masm.emitCompressedOopDecode(result, narrowOopBase, narrowOopShift); } public static class LeaOp extends HSAILLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({COMPOSITE, UNINITIALIZED}) protected HSAILAddressValue address; public LeaOp(AllocatableValue result, HSAILAddressValue address) { this.result = result; this.address = address; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { throw new InternalError("NYI"); } } public static class StackLeaOp extends HSAILLIRInstruction { @Def({REG}) protected AllocatableValue result; @Use({STACK, UNINITIALIZED}) protected StackSlot slot; public StackLeaOp(AllocatableValue result, StackSlot slot) { this.result = result; this.slot = slot; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { throw new InternalError("NYI"); } } @Opcode("CAS") public static class CompareAndSwapOp extends HSAILLIRInstruction { @Def protected AllocatableValue result; @Use({COMPOSITE}) protected HSAILAddressValue address; @Use protected AllocatableValue cmpValue; @Use protected AllocatableValue newValue; public CompareAndSwapOp(AllocatableValue result, HSAILAddressValue address, AllocatableValue cmpValue, AllocatableValue newValue) { this.result = result; this.address = address; this.cmpValue = cmpValue; this.newValue = newValue; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { compareAndSwap(tasm, masm, result, address, cmpValue, newValue); } } public static class NullCheckOp extends HSAILLIRInstruction { @Use protected Value input; @State protected LIRFrameState state; public NullCheckOp(Variable input, LIRFrameState state) { this.input = input; this.state = state; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { Debug.log("NullCheckOp unimplemented"); } } @SuppressWarnings("unused") public static void move(TargetMethodAssembler tasm, HSAILAssembler masm, Value result, Value input) { if (isRegister(input)) { if (isRegister(result)) { masm.emitMov(result, input); } else if (isStackSlot(result)) { masm.emitSpillStore(input, result); } else { throw GraalInternalError.shouldNotReachHere(); } } else if (isStackSlot(input)) { if (isRegister(result)) { masm.emitSpillLoad(result, input); } else { throw GraalInternalError.shouldNotReachHere(); } } else if (isConstant(input)) { if (isRegister(result)) { masm.emitMov(result, input); } else { throw GraalInternalError.shouldNotReachHere(); } } else { throw GraalInternalError.shouldNotReachHere(); } } @SuppressWarnings("unused") protected static void compareAndSwap(TargetMethodAssembler tasm, HSAILAssembler masm, AllocatableValue result, HSAILAddressValue address, AllocatableValue cmpValue, AllocatableValue newValue) { throw new InternalError("NYI"); } }