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annotate graal/com.oracle.graal.amd64/src/com/oracle/graal/amd64/AMD64.java @ 18415:6dc4f0be9a70

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Add support of lzcnt and tzcnt - support of lzcnt and tzcnt instructions, - unit tests for lzcnt/tzcnt, - ability to emit bsf/bsr in case lzcnt/tzcnt were turned off from the command line, - tightening the stamps produced by ScanBitForward/ReverseNode nodes. Contributed-By: Igor Veresov <igor.veresov@oracle.com>
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 19 Nov 2014 13:32:05 +0100
parents edb88f5425e6
children fe0db662e982
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1 /*
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2 * Copyright (c) 2009, 2011, 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.amd64;
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24
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25 import static com.oracle.graal.api.code.MemoryBarriers.*;
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26 import static com.oracle.graal.api.code.Register.*;
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27
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28 import java.nio.*;
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29 import java.util.*;
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30
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31 import com.oracle.graal.api.code.*;
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32 import com.oracle.graal.api.code.Register.RegisterCategory;
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33 import com.oracle.graal.api.meta.*;
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34
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35 /**
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36 * Represents the AMD64 architecture.
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37 */
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38 public class AMD64 extends Architecture {
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39
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40 public static final RegisterCategory CPU = new RegisterCategory("CPU");
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41
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42 // @formatter:off
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43
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44 // General purpose CPU registers
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45 public static final Register rax = new Register(0, 0, "rax", CPU);
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46 public static final Register rcx = new Register(1, 1, "rcx", CPU);
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47 public static final Register rdx = new Register(2, 2, "rdx", CPU);
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48 public static final Register rbx = new Register(3, 3, "rbx", CPU);
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49 public static final Register rsp = new Register(4, 4, "rsp", CPU);
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50 public static final Register rbp = new Register(5, 5, "rbp", CPU);
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51 public static final Register rsi = new Register(6, 6, "rsi", CPU);
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52 public static final Register rdi = new Register(7, 7, "rdi", CPU);
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53
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54 public static final Register r8 = new Register(8, 8, "r8", CPU);
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55 public static final Register r9 = new Register(9, 9, "r9", CPU);
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56 public static final Register r10 = new Register(10, 10, "r10", CPU);
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57 public static final Register r11 = new Register(11, 11, "r11", CPU);
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58 public static final Register r12 = new Register(12, 12, "r12", CPU);
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59 public static final Register r13 = new Register(13, 13, "r13", CPU);
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60 public static final Register r14 = new Register(14, 14, "r14", CPU);
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61 public static final Register r15 = new Register(15, 15, "r15", CPU);
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62
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63 public static final Register[] cpuRegisters = {
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64 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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65 r8, r9, r10, r11, r12, r13, r14, r15
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66 };
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67
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68 private static final int XMM_REFERENCE_MAP_SHIFT = 2;
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69
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70 public static final RegisterCategory XMM = new RegisterCategory("XMM", cpuRegisters.length, XMM_REFERENCE_MAP_SHIFT);
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71
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72 // XMM registers
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73 public static final Register xmm0 = new Register(16, 0, "xmm0", XMM);
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74 public static final Register xmm1 = new Register(17, 1, "xmm1", XMM);
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75 public static final Register xmm2 = new Register(18, 2, "xmm2", XMM);
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76 public static final Register xmm3 = new Register(19, 3, "xmm3", XMM);
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77 public static final Register xmm4 = new Register(20, 4, "xmm4", XMM);
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78 public static final Register xmm5 = new Register(21, 5, "xmm5", XMM);
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79 public static final Register xmm6 = new Register(22, 6, "xmm6", XMM);
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80 public static final Register xmm7 = new Register(23, 7, "xmm7", XMM);
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81
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82 public static final Register xmm8 = new Register(24, 8, "xmm8", XMM);
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83 public static final Register xmm9 = new Register(25, 9, "xmm9", XMM);
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84 public static final Register xmm10 = new Register(26, 10, "xmm10", XMM);
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85 public static final Register xmm11 = new Register(27, 11, "xmm11", XMM);
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86 public static final Register xmm12 = new Register(28, 12, "xmm12", XMM);
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87 public static final Register xmm13 = new Register(29, 13, "xmm13", XMM);
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88 public static final Register xmm14 = new Register(30, 14, "xmm14", XMM);
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89 public static final Register xmm15 = new Register(31, 15, "xmm15", XMM);
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90
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91 public static final Register[] xmmRegisters = {
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92 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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93 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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94 };
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95
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96 public static final Register[] cpuxmmRegisters = {
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97 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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98 r8, r9, r10, r11, r12, r13, r14, r15,
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99 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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100 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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101 };
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102
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103 /**
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104 * Register used to construct an instruction-relative address.
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105 */
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106 public static final Register rip = new Register(32, -1, "rip", SPECIAL);
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107
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108 public static final Register[] allRegisters = {
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109 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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110 r8, r9, r10, r11, r12, r13, r14, r15,
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111 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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112 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15,
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113 rip
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114 };
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115
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116 // @formatter:on
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117
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118 /**
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119 * Basic set of CPU features mirroring what is returned from the cpuid instruction.
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120 */
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121 public static enum CPUFeature {
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122 SSE,
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123 SSE2,
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124 SSE3,
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125 SSE4a,
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126 SSE4_1,
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Gilles Duboscq <duboscq@ssw.jku.at>
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127 SSE4_2,
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Gilles Duboscq <duboscq@ssw.jku.at>
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128 SSSE3,
8db6e76cb658 Formatter: Keep one enum constant per line
Gilles Duboscq <duboscq@ssw.jku.at>
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129 POPCNT,
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130 LZCNT,
8db6e76cb658 Formatter: Keep one enum constant per line
Gilles Duboscq <duboscq@ssw.jku.at>
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131 AVX,
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Gilles Duboscq <duboscq@ssw.jku.at>
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132 AVX2,
8db6e76cb658 Formatter: Keep one enum constant per line
Gilles Duboscq <duboscq@ssw.jku.at>
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133 ERMS,
8db6e76cb658 Formatter: Keep one enum constant per line
Gilles Duboscq <duboscq@ssw.jku.at>
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134 AMD_3DNOW_PREFETCH,
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Gilles Duboscq <duboscq@ssw.jku.at>
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135 AES,
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136 BMI1
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137 }
9189
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parents: 8167
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138
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139 private final EnumSet<CPUFeature> features;
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140
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141 public AMD64(EnumSet<CPUFeature> features) {
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142 super("AMD64", 8, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_STORE | STORE_STORE, 1, cpuRegisters.length + (xmmRegisters.length << XMM_REFERENCE_MAP_SHIFT), 8);
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143 this.features = features;
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144 assert features.contains(CPUFeature.SSE2) : "minimum config for x64";
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145 }
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146
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147 public EnumSet<CPUFeature> getFeatures() {
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148 return features;
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149 }
9425
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150
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151 @Override
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152 public boolean canStoreValue(RegisterCategory category, PlatformKind platformKind) {
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153 if (!(platformKind instanceof Kind)) {
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154 return false;
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155 }
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156
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157 Kind kind = (Kind) platformKind;
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parents: 16536
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158 if (category.equals(CPU)) {
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159 switch (kind) {
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160 case Boolean:
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161 case Byte:
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162 case Char:
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163 case Short:
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164 case Int:
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165 case Long:
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166 case Object:
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167 return true;
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168 }
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169 } else if (category.equals(XMM)) {
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170 switch (kind) {
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171 case Float:
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parents: 9190
diff changeset
172 case Double:
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173 return true;
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parents: 9190
diff changeset
174 }
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diff changeset
175 }
3ec29630cfb4 Use register categories instead of register flags.
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176
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177 return false;
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178 }
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179
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180 @Override
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181 public PlatformKind getLargestStorableKind(RegisterCategory category) {
18253
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parents: 16536
diff changeset
182 if (category.equals(CPU)) {
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183 return Kind.Long;
18253
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parents: 16536
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184 } else if (category.equals(XMM)) {
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185 return Kind.Double;
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diff changeset
186 } else {
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187 return Kind.Illegal;
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188 }
3ec29630cfb4 Use register categories instead of register flags.
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parents: 9190
diff changeset
189 }
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 }