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annotate graal/com.oracle.graal.sparc/src/com/oracle/graal/sparc/SPARC.java @ 16094:c0b8d395368b

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Introduce LIRKind to accurately track oop references in backend.
author Roland Schatz <roland.schatz@oracle.com>
date Fri, 13 Jun 2014 11:47:44 +0200
parents 39be5bc00046
children 8c70d65ec04a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7740
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1 /*
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.sparc;
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24
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25 import static com.oracle.graal.api.code.MemoryBarriers.*;
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26
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27 import java.nio.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.code.Register.RegisterCategory;
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31 import com.oracle.graal.api.meta.*;
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32
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33 /**
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34 * Represents the SPARC architecture.
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35 */
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36 public class SPARC extends Architecture {
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37
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38 public static final RegisterCategory CPU = new RegisterCategory("CPU");
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39
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40 // General purpose registers
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41 public static final Register r0 = new Register(0, 0, "g0", CPU);
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42 public static final Register r1 = new Register(1, 1, "g1", CPU);
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43 public static final Register r2 = new Register(2, 2, "g2", CPU);
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44 public static final Register r3 = new Register(3, 3, "g3", CPU);
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45 public static final Register r4 = new Register(4, 4, "g4", CPU);
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46 public static final Register r5 = new Register(5, 5, "g5", CPU);
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47 public static final Register r6 = new Register(6, 6, "g6", CPU);
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48 public static final Register r7 = new Register(7, 7, "g7", CPU);
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49
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50 public static final Register r8 = new Register(8, 8, "o0", CPU);
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51 public static final Register r9 = new Register(9, 9, "o1", CPU);
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52 public static final Register r10 = new Register(10, 10, "o2", CPU);
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53 public static final Register r11 = new Register(11, 11, "o3", CPU);
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54 public static final Register r12 = new Register(12, 12, "o4", CPU);
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55 public static final Register r13 = new Register(13, 13, "o5", CPU);
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56 public static final Register r14 = new Register(14, 14, "o6", CPU);
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57 public static final Register r15 = new Register(15, 15, "o7", CPU);
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58
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59 public static final Register r16 = new Register(16, 16, "l0", CPU);
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60 public static final Register r17 = new Register(17, 17, "l1", CPU);
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61 public static final Register r18 = new Register(18, 18, "l2", CPU);
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62 public static final Register r19 = new Register(19, 19, "l3", CPU);
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63 public static final Register r20 = new Register(20, 20, "l4", CPU);
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64 public static final Register r21 = new Register(21, 21, "l5", CPU);
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65 public static final Register r22 = new Register(22, 22, "l6", CPU);
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66 public static final Register r23 = new Register(23, 23, "l7", CPU);
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67
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68 public static final Register r24 = new Register(24, 24, "i0", CPU);
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69 public static final Register r25 = new Register(25, 25, "i1", CPU);
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70 public static final Register r26 = new Register(26, 26, "i2", CPU);
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71 public static final Register r27 = new Register(27, 27, "i3", CPU);
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72 public static final Register r28 = new Register(28, 28, "i4", CPU);
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73 public static final Register r29 = new Register(29, 29, "i5", CPU);
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74 public static final Register r30 = new Register(30, 30, "i6", CPU);
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75 public static final Register r31 = new Register(31, 31, "i7", CPU);
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76
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77 public static final Register g0 = r0;
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78 public static final Register g1 = r1;
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79 public static final Register g2 = r2;
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80 public static final Register g3 = r3;
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81 public static final Register g4 = r4;
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82 public static final Register g5 = r5;
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83 public static final Register g6 = r6;
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84 public static final Register g7 = r7;
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85
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86 public static final Register o0 = r8;
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87 public static final Register o1 = r9;
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88 public static final Register o2 = r10;
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89 public static final Register o3 = r11;
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90 public static final Register o4 = r12;
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91 public static final Register o5 = r13;
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92 public static final Register o6 = r14;
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93 public static final Register o7 = r15;
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94
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95 public static final Register l0 = r16;
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96 public static final Register l1 = r17;
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97 public static final Register l2 = r18;
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98 public static final Register l3 = r19;
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99 public static final Register l4 = r20;
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100 public static final Register l5 = r21;
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101 public static final Register l6 = r22;
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102 public static final Register l7 = r23;
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103
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104 public static final Register i0 = r24;
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105 public static final Register i1 = r25;
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106 public static final Register i2 = r26;
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107 public static final Register i3 = r27;
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108 public static final Register i4 = r28;
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109 public static final Register i5 = r29;
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110 public static final Register i6 = r30;
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111 public static final Register i7 = r31;
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112
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113 public static final Register sp = o6;
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114 public static final Register fp = i6;
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115
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116 // @formatter:off
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117 public static final Register[] cpuRegisters = {
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118 r0, r1, r2, r3, r4, r5, r6, r7,
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119 r8, r9, r10, r11, r12, r13, r14, r15,
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120 r16, r17, r18, r19, r20, r21, r22, r23,
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121 r24, r25, r26, r27, r28, r29, r30, r31
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122 };
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123 // @formatter:on
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124
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125 public static final RegisterCategory FPU = new RegisterCategory("FPU", cpuRegisters.length);
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126
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127 // Floating point registers
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128 public static final Register f0 = new Register(32, 0, "f0", FPU);
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129 public static final Register f1 = new Register(33, 1, "f1", FPU);
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130 public static final Register f2 = new Register(34, 2, "f2", FPU);
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131 public static final Register f3 = new Register(35, 3, "f3", FPU);
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132 public static final Register f4 = new Register(36, 4, "f4", FPU);
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133 public static final Register f5 = new Register(37, 5, "f5", FPU);
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134 public static final Register f6 = new Register(38, 6, "f6", FPU);
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135 public static final Register f7 = new Register(39, 7, "f7", FPU);
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136
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137 public static final Register f8 = new Register(40, 8, "f8", FPU);
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138 public static final Register f9 = new Register(41, 9, "f9", FPU);
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139 public static final Register f10 = new Register(42, 10, "f10", FPU);
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140 public static final Register f11 = new Register(43, 11, "f11", FPU);
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141 public static final Register f12 = new Register(44, 12, "f12", FPU);
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142 public static final Register f13 = new Register(45, 13, "f13", FPU);
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143 public static final Register f14 = new Register(46, 14, "f14", FPU);
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144 public static final Register f15 = new Register(47, 15, "f15", FPU);
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145
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146 public static final Register f16 = new Register(48, 16, "f16", FPU);
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147 public static final Register f17 = new Register(49, 17, "f17", FPU);
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148 public static final Register f18 = new Register(50, 18, "f18", FPU);
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149 public static final Register f19 = new Register(51, 19, "f19", FPU);
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150 public static final Register f20 = new Register(52, 20, "f20", FPU);
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151 public static final Register f21 = new Register(53, 21, "f21", FPU);
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152 public static final Register f22 = new Register(54, 22, "f22", FPU);
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153 public static final Register f23 = new Register(55, 23, "f23", FPU);
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154
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155 public static final Register f24 = new Register(56, 24, "f24", FPU);
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156 public static final Register f25 = new Register(57, 25, "f25", FPU);
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157 public static final Register f26 = new Register(58, 26, "f26", FPU);
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158 public static final Register f27 = new Register(59, 27, "f27", FPU);
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159 public static final Register f28 = new Register(60, 28, "f28", FPU);
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160 public static final Register f29 = new Register(61, 29, "f29", FPU);
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161 public static final Register f30 = new Register(62, 30, "f30", FPU);
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162 public static final Register f31 = new Register(63, 31, "f31", FPU);
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163
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164 // @formatter:off
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165 public static final Register[] fpuRegisters = {
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166 f0, f1, f2, f3, f4, f5, f6, f7,
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167 f8, f9, f10, f11, f12, f13, f14, f15,
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168 f16, f17, f18, f19, f20, f21, f22, f23,
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169 f24, f25, f26, f27, f28, f29, f30, f31
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170 };
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171 // @formatter:on
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172
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173 // @formatter:off
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174 public static final Register[] allRegisters = {
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175 // CPU
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176 r0, r1, r2, r3, r4, r5, r6, r7,
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177 r8, r9, r10, r11, r12, r13, r14, r15,
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178 r16, r17, r18, r19, r20, r21, r22, r23,
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179 r24, r25, r26, r27, r28, r29, r30, r31,
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180 // FPU
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181 f0, f1, f2, f3, f4, f5, f6, f7,
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182 f8, f9, f10, f11, f12, f13, f14, f15,
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183 f16, f17, f18, f19, f20, f21, f22, f23,
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184 f24, f25, f26, f27, f28, f29, f30, f31
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185 };
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186 // @formatter:on
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187
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188 /**
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189 * Stack bias for stack and frame pointer loads.
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190 */
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191 public static final int STACK_BIAS = 0x7ff;
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192
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193 public SPARC() {
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194 super("SPARC", 8, ByteOrder.BIG_ENDIAN, false, allRegisters, LOAD_STORE | STORE_STORE, 1, r31.encoding + 1, 8);
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195 }
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196
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197 @Override
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198 public boolean canStoreValue(RegisterCategory category, PlatformKind lirKind) {
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199 if (!(lirKind instanceof Kind)) {
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200 return false;
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201 }
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202
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203 Kind kind = (Kind) lirKind;
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204 if (category == CPU) {
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205 switch (kind) {
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206 case Boolean:
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207 case Byte:
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208 case Char:
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209 case Short:
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210 case Int:
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211 case Long:
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212 case Object:
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213 return true;
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214 }
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215 } else if (category == FPU) {
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216 switch (kind) {
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217 case Float:
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218 case Double:
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219 return true;
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220 }
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221 }
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222 return false;
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223 }
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224
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225 @Override
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226 public PlatformKind getLargestStorableKind(RegisterCategory category) {
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227 if (category == CPU) {
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228 return Kind.Long;
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229 } else if (category == FPU) {
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230 return Kind.Double;
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231 } else {
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232 return Kind.Illegal;
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233 }
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234 }
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235 }