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annotate runtime/internal/arrayInit.d @ 1638:0de4525a9ed6

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Apply workaround for #395 by klickverbot.
author Christian Kamm <kamm incasoftware de>
date Mon, 08 Mar 2010 20:06:08 +0100
parents b3ba2c6ff038
children
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rev   line source
663
6aaa3d3c1183 First part of rename to LDC.
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diff changeset
1 private import ldc.intrinsics;
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2
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3 extern(C):
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4
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5 int memcmp(void*,void*,size_t);
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6 size_t strlen(char*);
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7
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8 version(LLVM64)
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9 alias llvm_memcpy_i64 llvm_memcpy;
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10 else
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11 alias llvm_memcpy_i32 llvm_memcpy;
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12
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13 // per-element array init routines
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14
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15 void _d_array_init_i16(ushort* a, size_t n, ushort v)
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16 {
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17 auto p = a;
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18 auto end = a+n;
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19 while (p !is end)
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20 *p++ = v;
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21 }
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22
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23 void _d_array_init_i32(uint* a, size_t n, uint v)
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24 {
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25 auto p = a;
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26 auto end = a+n;
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27 while (p !is end)
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28 *p++ = v;
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29 }
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31 void _d_array_init_i64(ulong* a, size_t n, ulong v)
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32 {
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33 auto p = a;
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34 auto end = a+n;
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35 while (p !is end)
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36 *p++ = v;
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37 }
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38
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39 void _d_array_init_float(float* a, size_t n, float v)
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40 {
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41 auto p = a;
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42 auto end = a+n;
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43 while (p !is end)
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44 *p++ = v;
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45 }
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46
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47 void _d_array_init_double(double* a, size_t n, double v)
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48 {
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49 auto p = a;
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50 auto end = a+n;
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51 while (p !is end)
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52 *p++ = v;
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53 }
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54
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55 void _d_array_init_real(real* a, size_t n, real v)
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56 {
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57 auto p = a;
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58 auto end = a+n;
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59 while (p !is end)
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60 *p++ = v;
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61 }
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62
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63 void _d_array_init_cfloat(cfloat* a, size_t n, cfloat v)
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64 {
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65 auto p = a;
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66 auto end = a+n;
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67 while (p !is end)
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68 *p++ = v;
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69 }
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70
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71 void _d_array_init_cdouble(cdouble* a, size_t n, cdouble v)
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72 {
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73 auto p = a;
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74 auto end = a+n;
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75 while (p !is end)
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76 *p++ = v;
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77 }
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78
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79 void _d_array_init_creal(creal* a, size_t n, creal v)
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80 {
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81 auto p = a;
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82 auto end = a+n;
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83 while (p !is end)
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84 *p++ = v;
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85 }
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86
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87 void _d_array_init_pointer(void** a, size_t n, void* v)
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88 {
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89 auto p = a;
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90 auto end = a+n;
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91 while (p !is end)
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92 *p++ = v;
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93 }
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94
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95 void _d_array_init_mem(void* a, size_t na, void* v, size_t nv)
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96 {
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97 auto p = a;
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98 auto end = a + na*nv;
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99 while (p !is end) {
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100 llvm_memcpy(p,v,nv,0);
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101 p += nv;
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102 }
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103 }
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104
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105 /*
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106 void _d_array_init(TypeInfo ti, void* a)
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107 {
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108 auto initializer = ti.next.init();
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109 auto isize = initializer.length;
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110 auto q = initializer.ptr;
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111
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112 if (isize == 1)
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113 memset(p, *cast(ubyte*)q, size);
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114 else if (isize == int.sizeof)
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115 {
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116 int init = *cast(int*)q;
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117 size /= int.sizeof;
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118 for (size_t u = 0; u < size; u++)
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119 {
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120 (cast(int*)p)[u] = init;
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121 }
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122 }
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123 else
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124 {
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125 for (size_t u = 0; u < size; u += isize)
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126 {
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127 memcpy(p + u, q, isize);
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128 }
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129 }
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130 }*/
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131
443
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132 // for array cast
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133 size_t _d_array_cast_len(size_t len, size_t elemsz, size_t newelemsz)
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134 {
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135 if (newelemsz == 1) {
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136 return len*elemsz;
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137 }
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138 else if ((len*elemsz) % newelemsz) {
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139 throw new Exception("Bad array cast");
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140 }
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141 return (len*elemsz)/newelemsz;
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142 }
1328
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143
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144 // slice copy when assertions are enabled
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145 void _d_array_slice_copy(void* dst, size_t dstlen, void* src, size_t srclen)
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146 {
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147 if (dstlen != srclen)
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148 throw new Exception("lengths don't match for array copy");
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149 else if (dst+dstlen <= src || src+srclen <= dst)
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150 llvm_memcpy(dst, src, dstlen, 0);
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151 else
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152 throw new Exception("overlapping array copy");
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153 }