Mercurial > projects > ldc
annotate lphobos/typeinfo2/ti_Afloat.d @ 1134:152bd2c804d0
Update comments now that LLVM PR3861 has been fixed. However, since
conditionally removing the workaround makes the ABI dependent on LLVM version,
I reconsidered that.
(The same revision of LDC compiling for the same target should probably produce
code that follows the same ABI, right?)
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Tue, 24 Mar 2009 02:46:57 +0100 |
parents | b86e00b938a5 |
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1 /* |
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2 * Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com |
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3 * Written by Walter Bright |
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4 * |
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5 * This software is provided 'as-is', without any express or implied |
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6 * warranty. In no event will the authors be held liable for any damages |
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7 * arising from the use of this software. |
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8 * |
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9 * Permission is granted to anyone to use this software for any purpose, |
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10 * including commercial applications, and to alter it and redistribute it |
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11 * freely, in both source and binary form, subject to the following |
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12 * restrictions: |
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13 * |
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14 * o The origin of this software must not be misrepresented; you must not |
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15 * claim that you wrote the original software. If you use this software |
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16 * in a product, an acknowledgment in the product documentation would be |
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17 * appreciated but is not required. |
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18 * o Altered source versions must be plainly marked as such, and must not |
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19 * be misrepresented as being the original software. |
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20 * o This notice may not be removed or altered from any source |
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21 * distribution. |
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22 */ |
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23 |
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24 module typeinfo2.ti_Afloat; |
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25 |
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26 private import typeinfo1.ti_float; |
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27 |
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28 // float[] |
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29 |
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30 class TypeInfo_Af : TypeInfo |
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31 { |
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32 char[] toString() { return "float[]"; } |
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33 |
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34 hash_t getHash(void *p) |
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35 { float[] s = *cast(float[]*)p; |
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36 size_t len = s.length; |
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37 auto str = s.ptr; |
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38 hash_t hash = 0; |
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39 |
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40 while (len) |
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41 { |
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42 hash *= 9; |
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43 hash += *cast(uint *)str; |
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44 str++; |
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45 len--; |
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46 } |
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47 |
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48 return hash; |
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49 } |
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50 |
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51 int equals(void *p1, void *p2) |
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52 { |
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53 float[] s1 = *cast(float[]*)p1; |
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54 float[] s2 = *cast(float[]*)p2; |
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55 size_t len = s1.length; |
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56 |
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57 if (len != s2.length) |
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58 return 0; |
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59 for (size_t u = 0; u < len; u++) |
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60 { |
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61 int c = TypeInfo_f._equals(s1[u], s2[u]); |
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62 if (c == 0) |
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63 return 0; |
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64 } |
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65 return 1; |
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66 } |
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67 |
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68 int compare(void *p1, void *p2) |
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69 { |
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70 float[] s1 = *cast(float[]*)p1; |
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71 float[] s2 = *cast(float[]*)p2; |
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72 size_t len = s1.length; |
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73 |
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74 if (s2.length < len) |
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75 len = s2.length; |
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76 for (size_t u = 0; u < len; u++) |
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77 { |
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78 int c = TypeInfo_f._compare(s1[u], s2[u]); |
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79 if (c) |
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80 return c; |
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81 } |
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82 return cast(int)s1.length - cast(int)s2.length; |
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83 } |
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84 |
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85 size_t tsize() |
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86 { |
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87 return (float[]).sizeof; |
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88 } |
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89 |
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90 uint flags() |
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91 { |
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92 return 1; |
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93 } |
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94 |
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95 TypeInfo next() |
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96 { |
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97 return typeid(float); |
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98 } |
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99 } |
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100 |
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101 // ifloat[] |
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102 |
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103 class TypeInfo_Ao : TypeInfo_Af |
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104 { |
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105 char[] toString() { return "ifloat[]"; } |
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106 |
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107 TypeInfo next() |
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108 { |
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109 return typeid(ifloat); |
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110 } |
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111 } |