/* * 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 static class LoadOp extends HSAILLIRInstruction { @SuppressWarnings("unused") private final Kind kind; @Def({REG}) protected AllocatableValue result; @Use({COMPOSITE}) protected HSAILAddressValue address; @State protected LIRFrameState state; public LoadOp(Kind kind, AllocatableValue result, HSAILAddressValue address, LIRFrameState state) { this.kind = kind; this.result = result; this.address = address; this.state = state; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { HSAILAddress addr = address.toAddress(); masm.emitLoad(result, addr); } } public static class StoreOp extends HSAILLIRInstruction { @SuppressWarnings("unused") private final Kind kind; @Use({COMPOSITE}) protected HSAILAddressValue address; @Use({REG}) protected AllocatableValue input; @State protected LIRFrameState state; public StoreOp(Kind kind, HSAILAddressValue address, AllocatableValue input, LIRFrameState state) { this.kind = kind; this.address = address; this.input = input; this.state = state; } @Override public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) { assert isRegister(input); HSAILAddress addr = address.toAddress(); masm.emitStore(input, addr); } } 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"); } }