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1 // $HeadURL: svn://dstress.kuehne.cn/run/a/asm_sub_01_C.d $
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2 // $Date: 2005-08-20 20:24:41 +0200 (Sat, 20 Aug 2005) $
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3 // $Author: thomask $
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4
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5 // @author@ Thomas Kuehne <thomas-dloop@kuehne.cn>
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6
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7 module /*dstress.*/addon.cpuinfo;
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8
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9 version(D_InlineAsm){
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10 version(X86){
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11 const bool haveX86InlineAsm = true;
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12 version = haveX86InlineAsm;
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13 }else version(X86_64){
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14 const bool haveX86InlineAsm = true;
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15 version = haveX86InlineAsm;
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16 }else{
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17 pragma(msg, "no Inline ASM support");
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18 const bool haveX86InlineAsm = false;
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19 }
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20 }else version(D_InlineAsm_X86){
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21 const bool haveX86InlineAsm = true;
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22 version = haveX86InlineAsm;
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23 }else{
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24 pragma(msg, "no Inline ASM support");
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25 const bool haveX86InlineAsm = false;
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26 }
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27
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28 void haveCMOV(){
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29 uint a = 0;
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30
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31 version(haveX86InlineAsm){
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32 asm{
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33 mov EAX, 1;
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34 cpuid;
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35 mov a, EDX;
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36 }
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37 }
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38
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39 if(!((a >> 15) & 1)){
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40 throw new Exception("no X86 CMOV support present");
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41 }
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42 }
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43
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44 void haveCX8(){
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45 uint a = 0;
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46
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47 version(haveX86InlineAsm){
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48 asm{
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49 mov EAX, 1;
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50 cpuid;
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51 mov a, EDX;
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52 }
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53 }
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54
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55 if(!((a >> 8) & 1)){
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56 throw new Exception("no X86 CX8 support present");
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57 }
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58 }
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59
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60 void haveFPU(){
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61 uint a = 0;
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62
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63 version(haveX86InlineAsm){
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64 asm{
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65 mov EAX, 1;
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66 cpuid;
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67 mov a, EDX;
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68 }
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69 }
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70
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71 if(!(a & 1)){
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72 throw new Exception("no X86 FPU present");
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73 }
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74 }
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75
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76 void haveMMX(){
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77 uint a = 0;
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78
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79 version(haveX86InlineAsm){
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80 asm{
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81 mov EAX, 1;
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82 cpuid;
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83 mov a, EDX;
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84 }
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85 }
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86
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87 if(!((a >> 23) & 1)){
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88 throw new Exception("no X86 MMX support present");
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89 }
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90 }
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91
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92
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93 void haveSSE(){
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94 uint a = 0;
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95
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96 version(haveX86InlineAsm){
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97 asm{
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98 mov EAX, 1;
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99 cpuid;
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100 mov a, EDX;
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101 }
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102 }
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103
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104 if(!((a >> 25) & 1)){
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105 throw new Exception("no X86 SSE support present");
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106 }
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107 }
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108
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109 void haveSSE2(){
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110 uint a = 0;
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111
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112 version(haveX86InlineAsm){
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113 asm{
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114 mov EAX, 1;
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115 cpuid;
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116 mov a, EDX;
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117 }
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118 }
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119
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120 if(!((a >> 26) & 1)){
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121 throw new Exception("no X86 SSE2 support present");
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122 }
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123 }
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124
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125 void haveSSE3(){
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126 uint a = 0;
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127
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128 version(haveX86InlineAsm){
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129 asm{
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130 mov EAX, 1;
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131 cpuid;
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132 mov a, ECX;
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133 }
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134 }
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135
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136 if(!(a & 1)){
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137 throw new Exception("no X86 SSE3 support present");
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138 }
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139 }
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