Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java @ 23737:8b68d49fdad8
Add missing AMD64 feature flags from jdk9.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 11 Aug 2016 15:30:10 +0200 |
parents | 9e1235406b59 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2015, 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 jdk.vm.ci.amd64; |
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24 |
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25 import static jdk.vm.ci.code.MemoryBarriers.LOAD_LOAD; |
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26 import static jdk.vm.ci.code.MemoryBarriers.LOAD_STORE; |
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27 import static jdk.vm.ci.code.MemoryBarriers.STORE_STORE; |
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28 import static jdk.vm.ci.code.Register.SPECIAL; |
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29 |
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30 import java.nio.ByteOrder; |
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31 import java.util.EnumSet; |
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32 |
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33 import jdk.vm.ci.code.Architecture; |
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34 import jdk.vm.ci.code.Register; |
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35 import jdk.vm.ci.code.Register.RegisterCategory; |
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36 import jdk.vm.ci.code.RegisterArray; |
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37 import jdk.vm.ci.meta.JavaKind; |
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38 import jdk.vm.ci.meta.PlatformKind; |
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39 |
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40 /** |
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41 * Represents the AMD64 architecture. |
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42 */ |
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43 public class AMD64 extends Architecture { |
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44 |
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45 public static final RegisterCategory CPU = new RegisterCategory("CPU"); |
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46 |
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47 // @formatter:off |
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48 |
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49 // General purpose CPU registers |
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50 public static final Register rax = new Register(0, 0, "rax", CPU); |
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51 public static final Register rcx = new Register(1, 1, "rcx", CPU); |
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52 public static final Register rdx = new Register(2, 2, "rdx", CPU); |
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53 public static final Register rbx = new Register(3, 3, "rbx", CPU); |
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54 public static final Register rsp = new Register(4, 4, "rsp", CPU); |
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55 public static final Register rbp = new Register(5, 5, "rbp", CPU); |
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56 public static final Register rsi = new Register(6, 6, "rsi", CPU); |
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57 public static final Register rdi = new Register(7, 7, "rdi", CPU); |
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58 |
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59 public static final Register r8 = new Register(8, 8, "r8", CPU); |
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60 public static final Register r9 = new Register(9, 9, "r9", CPU); |
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61 public static final Register r10 = new Register(10, 10, "r10", CPU); |
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62 public static final Register r11 = new Register(11, 11, "r11", CPU); |
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63 public static final Register r12 = new Register(12, 12, "r12", CPU); |
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64 public static final Register r13 = new Register(13, 13, "r13", CPU); |
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65 public static final Register r14 = new Register(14, 14, "r14", CPU); |
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66 public static final Register r15 = new Register(15, 15, "r15", CPU); |
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67 |
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68 public static final Register[] cpuRegisters = { |
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69 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, |
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70 r8, r9, r10, r11, r12, r13, r14, r15 |
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71 }; |
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72 |
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73 public static final RegisterCategory XMM = new RegisterCategory("XMM"); |
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74 |
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75 // XMM registers |
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76 public static final Register xmm0 = new Register(16, 0, "xmm0", XMM); |
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77 public static final Register xmm1 = new Register(17, 1, "xmm1", XMM); |
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78 public static final Register xmm2 = new Register(18, 2, "xmm2", XMM); |
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79 public static final Register xmm3 = new Register(19, 3, "xmm3", XMM); |
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80 public static final Register xmm4 = new Register(20, 4, "xmm4", XMM); |
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81 public static final Register xmm5 = new Register(21, 5, "xmm5", XMM); |
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82 public static final Register xmm6 = new Register(22, 6, "xmm6", XMM); |
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83 public static final Register xmm7 = new Register(23, 7, "xmm7", XMM); |
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84 |
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85 public static final Register xmm8 = new Register(24, 8, "xmm8", XMM); |
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86 public static final Register xmm9 = new Register(25, 9, "xmm9", XMM); |
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87 public static final Register xmm10 = new Register(26, 10, "xmm10", XMM); |
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88 public static final Register xmm11 = new Register(27, 11, "xmm11", XMM); |
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89 public static final Register xmm12 = new Register(28, 12, "xmm12", XMM); |
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90 public static final Register xmm13 = new Register(29, 13, "xmm13", XMM); |
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91 public static final Register xmm14 = new Register(30, 14, "xmm14", XMM); |
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92 public static final Register xmm15 = new Register(31, 15, "xmm15", XMM); |
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93 |
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94 public static final Register xmm16 = new Register(32, 16, "xmm16", XMM); |
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95 public static final Register xmm17 = new Register(33, 17, "xmm17", XMM); |
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96 public static final Register xmm18 = new Register(34, 18, "xmm18", XMM); |
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97 public static final Register xmm19 = new Register(35, 19, "xmm19", XMM); |
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98 public static final Register xmm20 = new Register(36, 20, "xmm20", XMM); |
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99 public static final Register xmm21 = new Register(37, 21, "xmm21", XMM); |
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100 public static final Register xmm22 = new Register(38, 22, "xmm22", XMM); |
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101 public static final Register xmm23 = new Register(39, 23, "xmm23", XMM); |
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102 |
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103 public static final Register xmm24 = new Register(40, 24, "xmm24", XMM); |
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104 public static final Register xmm25 = new Register(41, 25, "xmm25", XMM); |
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105 public static final Register xmm26 = new Register(42, 26, "xmm26", XMM); |
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106 public static final Register xmm27 = new Register(43, 27, "xmm27", XMM); |
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107 public static final Register xmm28 = new Register(44, 28, "xmm28", XMM); |
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108 public static final Register xmm29 = new Register(45, 29, "xmm29", XMM); |
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109 public static final Register xmm30 = new Register(46, 30, "xmm30", XMM); |
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110 public static final Register xmm31 = new Register(47, 31, "xmm31", XMM); |
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111 |
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112 public static final Register[] xmmRegistersSSE = { |
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113 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, |
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114 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 |
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115 }; |
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116 |
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117 public static final Register[] xmmRegistersAVX512 = { |
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118 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, |
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119 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, |
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120 xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, |
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121 xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31 |
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122 }; |
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123 |
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124 public static final RegisterCategory MASK = new RegisterCategory("MASK", false); |
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125 |
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126 public static final Register k0 = new Register(48, 0, "k0", MASK); |
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127 public static final Register k1 = new Register(49, 1, "k1", MASK); |
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128 public static final Register k2 = new Register(50, 2, "k2", MASK); |
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129 public static final Register k3 = new Register(51, 3, "k3", MASK); |
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130 public static final Register k4 = new Register(52, 4, "k4", MASK); |
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131 public static final Register k5 = new Register(53, 5, "k5", MASK); |
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132 public static final Register k6 = new Register(54, 6, "k6", MASK); |
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133 public static final Register k7 = new Register(55, 7, "k7", MASK); |
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134 |
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135 public static final RegisterArray valueRegistersSSE = new RegisterArray( |
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136 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, |
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137 r8, r9, r10, r11, r12, r13, r14, r15, |
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138 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, |
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139 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 |
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140 ); |
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141 |
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142 public static final RegisterArray valueRegistersAVX512 = new RegisterArray( |
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143 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, |
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144 r8, r9, r10, r11, r12, r13, r14, r15, |
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145 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, |
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146 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, |
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147 xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, |
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148 xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31, |
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149 k0, k1, k2, k3, k4, k5, k6, k7 |
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150 ); |
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151 |
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152 /** |
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153 * Register used to construct an instruction-relative address. |
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154 */ |
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155 public static final Register rip = new Register(56, -1, "rip", SPECIAL); |
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156 |
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157 public static final RegisterArray allRegisters = new RegisterArray( |
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158 rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, |
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159 r8, r9, r10, r11, r12, r13, r14, r15, |
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160 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, |
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161 xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, |
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162 xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, |
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163 xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31, |
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164 k0, k1, k2, k3, k4, k5, k6, k7, |
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165 rip |
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166 ); |
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167 |
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169 | |
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170 /** |
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171 * Basic set of CPU features mirroring what is returned from the cpuid instruction. See: |
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172 * {@code VM_Version::cpuFeatureFlags}. |
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173 */ |
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174 public enum CPUFeature { |
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175 CX8, |
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176 CMOV, |
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177 FXSR, |
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178 HT, |
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179 MMX, |
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180 AMD_3DNOW_PREFETCH, |
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181 SSE, |
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182 SSE2, |
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183 SSE3, |
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184 SSSE3, |
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185 SSE4A, |
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186 SSE4_1, |
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187 SSE4_2, |
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188 POPCNT, |
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189 LZCNT, |
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190 TSC, |
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191 TSCINV, |
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192 AVX, |
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193 AVX2, |
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194 AES, |
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195 ERMS, |
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196 CLMUL, |
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197 BMI1, |
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198 BMI2, |
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199 RTM, |
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200 ADX, |
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201 AVX512F, |
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202 AVX512DQ, |
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203 AVX512PF, |
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204 AVX512ER, |
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205 AVX512CD, |
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206 AVX512BW, |
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207 AVX512VL, |
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208 SHA |
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209 } |
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210 |
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211 private final EnumSet<CPUFeature> features; |
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212 |
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213 /** |
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214 * Set of flags to control code emission. |
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215 */ |
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216 public enum Flag { |
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217 UseCountLeadingZerosInstruction, |
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218 UseCountTrailingZerosInstruction |
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219 } |
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220 |
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221 private final EnumSet<Flag> flags; |
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222 |
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223 private final AMD64Kind largestKind; |
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224 |
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225 public AMD64(EnumSet<CPUFeature> features, EnumSet<Flag> flags) { |
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226 super("AMD64", AMD64Kind.QWORD, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_LOAD | LOAD_STORE | STORE_STORE, 1, 8); |
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227 this.features = features; |
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228 this.flags = flags; |
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229 assert features.contains(CPUFeature.SSE2) : "minimum config for x64"; |
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230 |
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231 if (features.contains(CPUFeature.AVX512F)) { |
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232 largestKind = AMD64Kind.V512_QWORD; |
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233 } else if (features.contains(CPUFeature.AVX)) { |
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234 largestKind = AMD64Kind.V256_QWORD; |
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235 } else { |
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236 largestKind = AMD64Kind.V128_QWORD; |
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237 } |
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238 } |
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239 |
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240 public EnumSet<CPUFeature> getFeatures() { |
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241 return features; |
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242 } |
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243 |
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244 public EnumSet<Flag> getFlags() { |
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245 return flags; |
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246 } |
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247 |
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248 @Override |
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249 public RegisterArray getAvailableValueRegisters() { |
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250 if (features.contains(CPUFeature.AVX512F)) { |
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251 return valueRegistersAVX512; |
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252 } else { |
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253 return valueRegistersSSE; |
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254 } |
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255 } |
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256 |
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257 @Override |
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258 public PlatformKind getPlatformKind(JavaKind javaKind) { |
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259 switch (javaKind) { |
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260 case Boolean: |
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261 case Byte: |
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262 return AMD64Kind.BYTE; |
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263 case Short: |
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264 case Char: |
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265 return AMD64Kind.WORD; |
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266 case Int: |
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267 return AMD64Kind.DWORD; |
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268 case Long: |
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269 case Object: |
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270 return AMD64Kind.QWORD; |
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271 case Float: |
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272 return AMD64Kind.SINGLE; |
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273 case Double: |
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274 return AMD64Kind.DOUBLE; |
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275 default: |
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276 return null; |
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277 } |
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278 } |
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279 |
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280 @Override |
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281 public boolean canStoreValue(RegisterCategory category, PlatformKind platformKind) { |
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282 AMD64Kind kind = (AMD64Kind) platformKind; |
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283 if (kind.isInteger()) { |
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284 return category.equals(CPU); |
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285 } else if (kind.isXMM()) { |
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286 return category.equals(XMM); |
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287 } else { |
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288 assert kind.isMask(); |
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289 return category.equals(MASK); |
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290 } |
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291 } |
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292 |
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293 @Override |
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294 public AMD64Kind getLargestStorableKind(RegisterCategory category) { |
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295 if (category.equals(CPU)) { |
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296 return AMD64Kind.QWORD; |
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297 } else if (category.equals(XMM)) { |
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298 return largestKind; |
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299 } else if (category.equals(MASK)) { |
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300 return AMD64Kind.MASK64; |
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301 } else { |
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302 return null; |
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303 } |
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304 } |
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305 } |