1 /* 2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package com.oracle.graal.lir.hsail; 25 26 import static com.oracle.graal.api.code.ValueUtil.*; 27 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; 28 29 import com.oracle.graal.lir.*; 30 import com.oracle.graal.api.code.*; 31 import com.oracle.graal.api.meta.*; 32 import com.oracle.graal.asm.hsail.*; 33 34 /** 35 * Represents an address value used in HSAIL code. 36 */ 37 public final class HSAILAddressValue extends CompositeValue { 38 39 private static final long serialVersionUID = 1802222435353022623L; 40 @Component({REG, LIRInstruction.OperandFlag.ILLEGAL}) private AllocatableValue base; 41 private final long displacement; 42 43 /** 44 * Creates an {@link HSAILAddressValue} with given base register and no displacement. 45 * 46 * @param kind the kind of the value being addressed 47 * @param base the base register 48 */ 49 public HSAILAddressValue(Kind kind, AllocatableValue base) { 50 this(kind, base, 0); 51 } 52 53 /** 54 * Creates an {@link HSAILAddressValue} with given base register and a displacement. This is the 55 * most general constructor. 56 * 57 * @param kind the kind of the value being addressed 58 * @param base the base register 59 * @param displacement the displacement 60 */ 61 public HSAILAddressValue(Kind kind, AllocatableValue base, long displacement) { 62 super(kind); 63 this.base = base; 64 this.displacement = displacement; 65 assert !isStackSlot(base); 66 } 67 68 public HSAILAddress toAddress() { 69 Register baseReg = base == Value.ILLEGAL ? Register.None : asRegister(base); 70 return new HSAILAddress(baseReg, displacement); 71 } 72 73 @Override 74 public String toString() { 75 StringBuilder s = new StringBuilder(); 76 s.append(getKind().getJavaName()).append("["); 77 String sep = ""; 78 if (isLegal(base)) { 79 s.append(base); 80 sep = " + "; 81 } 82 if (displacement < 0) { 83 s.append(" - ").append(-displacement); 84 } else if (displacement > 0) { 85 s.append(sep).append(displacement); 86 } 87 s.append("]"); 88 return s.toString(); 89 } 90 91 @Override 92 public boolean equals(Object obj) { 93 if (obj instanceof HSAILAddressValue) { 94 HSAILAddressValue addr = (HSAILAddressValue) obj; 95 return getKind() == addr.getKind() && displacement == addr.displacement && base.equals(addr.base); 96 } 97 return false; 98 } 99 100 @Override 101 public int hashCode() { 102 return base.hashCode() ^ ((int) displacement << 4) ^ (getKind().ordinal() << 12); 103 } 104 }