1 /* 2 * Copyright (c) 2013, 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 package com.oracle.graal.asm.hsail; 24 25 import com.oracle.graal.api.code.*; 26 27 import com.oracle.graal.api.meta.*; 28 29 /** 30 * Represents an address in target machine memory, specified via some combination of a base register 31 * and a displacement. 32 */ 33 public final class HSAILAddress extends AbstractAddress { 34 35 private final Register base; 36 private final long displacement; 37 38 /** 39 * Creates an {@link HSAILAddress} with given base register and no displacement. 40 * 41 * 42 * @param base the base register 43 */ 44 public HSAILAddress(Register base) { 45 this(base, 0); 46 } 47 48 /** 49 * Creates an {@link HSAILAddress} with given base register and a displacement. This is the most 50 * general constructor. 51 * 52 * @param base the base register 53 * @param displacement the displacement 54 */ 55 public HSAILAddress(Register base, long displacement) { 56 this.base = base; 57 this.displacement = displacement; 58 } 59 60 /** 61 * @return Base register that defines the start of the address computation. If not present, is 62 * denoted by {@link Value#ILLEGAL}. 63 */ 64 public Register getBase() { 65 return base; 66 } 67 68 /** 69 * @return Optional additive displacement. 70 */ 71 public long getDisplacement() { 72 return displacement; 73 } 74 75 }