1 /*
   2  * Copyright (c) 2014, 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 
  25 /**
  26  * Expression that should be replaced by particular instrinsic
  27  * or intruction during compilation.
  28  */
  29 
  30 public abstract class Expr {
  31 
  32     public static class MemI {
  33         public MemI(int i) {
  34             this.value = i;
  35         }
  36 
  37         public int value;
  38     }
  39 
  40     public static class MemL {
  41         public MemL(long l) {
  42             this.value = l;
  43         }
  44 
  45         public long value;
  46     }
  47 
  48     public boolean isUnaryArgumentSupported() {
  49         return false;
  50     }
  51 
  52     public boolean isIntExprSupported() {
  53         return false;
  54     }
  55 
  56     public boolean isBinaryArgumentSupported() {
  57         return false;
  58     }
  59 
  60     public boolean isLongExprSupported() {
  61         return false;
  62     }
  63 
  64     public boolean isMemExprSupported() {
  65         return false;
  66     }
  67 
  68     public int intExpr(int reg) {
  69         throw new UnsupportedOperationException();
  70     }
  71 
  72     public int intExpr(MemI mem) {
  73         throw new UnsupportedOperationException();
  74     }
  75 
  76     public int intExpr(int a, int b) {
  77         throw new UnsupportedOperationException();
  78     }
  79 
  80     public int intExpr(int a, MemI b) {
  81         throw new UnsupportedOperationException();
  82     }
  83 
  84     public int intExpr(MemI a, int b) {
  85         throw new UnsupportedOperationException();
  86     }
  87 
  88     public int intExpr(MemI a, MemI b) {
  89         throw new UnsupportedOperationException();
  90     }
  91 
  92     public long longExpr(long reg) {
  93         throw new UnsupportedOperationException();
  94     }
  95 
  96     public long longExpr(MemL mem) {
  97         throw new UnsupportedOperationException();
  98     }
  99 
 100     public long longExpr(long a, long b) {
 101         throw new UnsupportedOperationException();
 102     }
 103 
 104     public long longExpr(long a, MemL b) {
 105         throw new UnsupportedOperationException();
 106     }
 107 
 108     public long longExpr(MemL a, long b) {
 109         throw new UnsupportedOperationException();
 110     }
 111 
 112     public long longExpr(MemL a, MemL b) {
 113         throw new UnsupportedOperationException();
 114     }
 115 
 116     public static class BMIExpr extends Expr {
 117 
 118         public boolean isMemExprSupported() {
 119             return true;
 120         }
 121     }
 122 
 123     public static class BMIBinaryExpr extends BMIExpr {
 124 
 125         public boolean isBinaryArgumentSupported() {
 126             return true;
 127         }
 128 
 129     }
 130 
 131     public static class BMIUnaryExpr extends BMIExpr {
 132         public boolean isUnaryArgumentSupported() {
 133             return true;
 134         }
 135     }
 136 
 137     public static class BMIBinaryIntExpr extends BMIBinaryExpr {
 138         public boolean isIntExprSupported() {
 139             return true;
 140         }
 141     }
 142 
 143     public static class BMIBinaryLongExpr extends BMIBinaryExpr {
 144         public boolean isLongExprSupported() {
 145             return true;
 146         }
 147     }
 148 
 149     public static class BMIUnaryIntExpr extends BMIUnaryExpr {
 150         public boolean isIntExprSupported() {
 151             return true;
 152         }
 153     }
 154 
 155     public static class BMIUnaryLongExpr extends BMIUnaryExpr {
 156         public boolean isLongExprSupported() {
 157             return true;
 158         }
 159     }
 160 
 161     public static class BitCountingExpr extends Expr {
 162         public boolean isUnaryArgumentSupported() {
 163             return true;
 164         }
 165     }
 166 
 167     public static class BitCountingIntExpr extends BitCountingExpr {
 168         public boolean isIntExprSupported() {
 169             return true;
 170         }
 171     }
 172 
 173     public static class BitCountingLongExpr extends BitCountingExpr {
 174         public boolean isLongExprSupported() {
 175             return true;
 176         }
 177     }
 178 }