Mercurial > vec
annotate src/impl/x86/mmx.c @ 35:99e4539f922f
Backed out changeset e49e70f7012f
author | Paper <paper@tflc.us> |
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date | Fri, 25 Apr 2025 17:40:51 -0400 |
parents | bf6ad516f1e6 |
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rev | line source |
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1 /** |
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2 * vec - a tiny SIMD vector library in C99 |
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3 * |
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4 * Copyright (c) 2024 Paper |
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5 * |
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6 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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7 * of this software and associated documentation files (the "Software"), to deal |
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8 * in the Software without restriction, including without limitation the rights |
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9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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10 * copies of the Software, and to permit persons to whom the Software is |
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11 * furnished to do so, subject to the following conditions: |
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12 * |
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13 * The above copyright notice and this permission notice shall be included in all |
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14 * copies or substantial portions of the Software. |
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15 * |
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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22 * SOFTWARE. |
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23 **/ |
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24 |
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25 #include "vec/vec.h" |
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26 #include "vec/impl/x86/mmx.h" |
31 | 27 #include "vec/impl/generic.h" |
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28 |
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29 #include <mmintrin.h> |
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30 #include <string.h> |
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31 |
31 | 32 #define VEC_MMX_OPERATION_8x8(op, sign) \ |
33 do { \ | |
34 /* unpack and multiply */ \ | |
35 union v##sign##int8x8_impl_data *vec1d = (union v##sign##int8x8_impl_data *)&vec1; \ | |
36 union v##sign##int8x8_impl_data *vec2d = (union v##sign##int8x8_impl_data *)&vec2; \ | |
37 \ | |
38 __m64 dst_even = _mm_##op##_pi16(vec1d->mmx, vec2d->mmx); \ | |
39 __m64 dst_odd = _mm_##op##_pi16(_mm_srli_pi16(vec1d->mmx, 8), _mm_srli_pi16(vec2d->mmx, 8)); \ | |
40 \ | |
41 /* repack */ \ | |
42 vec1d->mmx = _mm_or_si64( \ | |
43 _mm_slli_pi16(dst_odd, 8), \ | |
44 _mm_srli_pi16(_mm_slli_pi16(dst_even, 8), 8) \ | |
45 ); \ | |
46 return vec1d->vec; \ | |
47 } while (0) | |
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48 |
31 | 49 // shared between MMX variations |
50 #define VEC_MMX_MUL_8x8(sign) \ | |
51 VEC_MMX_OPERATION_8x8(mullo, sign) | |
52 | |
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53 #define VEC_MMX_MUL_16x4(sign) \ |
31 | 54 do { \ |
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55 union v##sign##int16x4_impl_data *vec1d = (union v##sign##int16x4_impl_data *)&vec1; \ |
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56 union vuint16x4_impl_data *vec2d = (union vuint16x4_impl_data *)&vec2; \ |
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57 \ |
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58 vec1d->mmx = _mm_mullo_pi16(vec1d->mmx, vec2d->mmx); \ |
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59 return vec1d->vec; \ |
31 | 60 } while (0) |
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61 |
31 | 62 #define VEC_MMX_MUL_32x2(sign) \ |
63 /* TODO implement this for real */ \ | |
64 do { \ | |
65 return v##sign##int32x2_generic_mul(vec1, vec2); \ | |
66 } while (0) | |
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67 |
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68 #define VEC_MMX_DEFINE_OPERATIONS_SIGN(sign, bits, size) \ |
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69 union v##sign##int##bits##x##size##_impl_data { \ |
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70 v##sign##int##bits##x##size vec; \ |
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71 __m64 mmx; \ |
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72 }; \ |
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73 \ |
31 | 74 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_load_aligned(const vec_##sign##int##bits in[size]) \ |
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75 { \ |
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76 v##sign##int##bits##x##size vec; \ |
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77 memcpy(&vec, in, sizeof(vec)); \ |
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78 return vec; \ |
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79 } \ |
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80 \ |
31 | 81 static void v##sign##int##bits##x##size##_mmx_store_aligned(v##sign##int##bits##x##size vec, vec_##sign##int##bits out[size]) \ |
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82 { \ |
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83 memcpy(out, &vec, sizeof(vec)); \ |
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84 } \ |
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85 \ |
31 | 86 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_add(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
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87 { \ |
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88 union v##sign##int##bits##x##size##_impl_data *vec1d = (union v##sign##int##bits##x##size##_impl_data *)&vec1; \ |
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89 union v##sign##int##bits##x##size##_impl_data *vec2d = (union v##sign##int##bits##x##size##_impl_data *)&vec2; \ |
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90 \ |
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91 vec1d->mmx = _mm_add_pi##bits(vec1d->mmx, vec2d->mmx); \ |
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92 \ |
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93 return vec1d->vec; \ |
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94 } \ |
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95 \ |
31 | 96 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_sub(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
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97 { \ |
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98 union v##sign##int##bits##x##size##_impl_data *vec1d = (union v##sign##int##bits##x##size##_impl_data *)&vec1; \ |
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99 union v##sign##int##bits##x##size##_impl_data *vec2d = (union v##sign##int##bits##x##size##_impl_data *)&vec2; \ |
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100 \ |
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101 vec1d->mmx = _mm_sub_pi##bits(vec1d->mmx, vec2d->mmx); \ |
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102 \ |
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103 return vec1d->vec; \ |
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104 } \ |
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105 \ |
31 | 106 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_mul(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
107 { \ | |
108 VEC_MMX_MUL_##bits##x##size(sign); \ | |
109 } \ | |
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110 \ |
31 | 111 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_and(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
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112 { \ |
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113 union v##sign##int##bits##x##size##_impl_data *vec1d = (union v##sign##int##bits##x##size##_impl_data *)&vec1; \ |
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114 union v##sign##int##bits##x##size##_impl_data *vec2d = (union v##sign##int##bits##x##size##_impl_data *)&vec2; \ |
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115 \ |
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116 vec1d->mmx = _mm_and_si64(vec1d->mmx, vec2d->mmx); \ |
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117 \ |
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118 return vec1d->vec; \ |
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119 } \ |
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120 \ |
31 | 121 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_or(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
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122 { \ |
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123 union v##sign##int##bits##x##size##_impl_data *vec1d = (union v##sign##int##bits##x##size##_impl_data *)&vec1; \ |
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124 union v##sign##int##bits##x##size##_impl_data *vec2d = (union v##sign##int##bits##x##size##_impl_data *)&vec2; \ |
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125 \ |
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126 vec1d->mmx = _mm_or_si64(vec1d->mmx, vec2d->mmx); \ |
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127 \ |
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128 return vec1d->vec; \ |
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129 } \ |
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130 \ |
31 | 131 static v##sign##int##bits##x##size v##sign##int##bits##x##size##_mmx_xor(v##sign##int##bits##x##size vec1, v##sign##int##bits##x##size vec2) \ |
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132 { \ |
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133 union v##sign##int##bits##x##size##_impl_data *vec1d = (union v##sign##int##bits##x##size##_impl_data *)&vec1; \ |
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134 union v##sign##int##bits##x##size##_impl_data *vec2d = (union v##sign##int##bits##x##size##_impl_data *)&vec2; \ |
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135 \ |
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136 vec1d->mmx = _mm_xor_si64(vec1d->mmx, vec2d->mmx); \ |
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137 \ |
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138 return vec1d->vec; \ |
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139 } \ |
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140 \ |
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141 const v##sign##int##bits##x##size##_impl v##sign##int##bits##x##size##_impl_mmx = { \ |
31 | 142 v##sign##int##bits##x##size##_generic_splat, \ |
143 v##sign##int##bits##x##size##_mmx_load_aligned, \ | |
144 v##sign##int##bits##x##size##_mmx_load_aligned, \ | |
145 v##sign##int##bits##x##size##_mmx_store_aligned, \ | |
146 v##sign##int##bits##x##size##_mmx_store_aligned, \ | |
147 v##sign##int##bits##x##size##_mmx_add, \ | |
148 v##sign##int##bits##x##size##_mmx_sub, \ | |
149 v##sign##int##bits##x##size##_mmx_mul, \ | |
150 v##sign##int##bits##x##size##_generic_div, \ | |
151 v##sign##int##bits##x##size##_generic_avg, \ | |
152 v##sign##int##bits##x##size##_mmx_and, \ | |
153 v##sign##int##bits##x##size##_mmx_or, \ | |
154 v##sign##int##bits##x##size##_mmx_xor, \ | |
155 v##sign##int##bits##x##size##_generic_not, \ | |
156 v##sign##int##bits##x##size##_generic_lshift, \ | |
157 v##sign##int##bits##x##size##_generic_rshift, \ | |
158 v##sign##int##bits##x##size##_generic_lrshift, \ | |
159 v##sign##int##bits##x##size##_generic_cmplt, \ | |
160 v##sign##int##bits##x##size##_generic_cmple, \ | |
161 v##sign##int##bits##x##size##_generic_cmpeq, \ | |
162 v##sign##int##bits##x##size##_generic_cmpge, \ | |
163 v##sign##int##bits##x##size##_generic_cmpgt, \ | |
23
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164 }; |
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165 |
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166 #define VEC_MMX_DEFINE_OPERATIONS(bits, size) \ |
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167 VEC_MMX_DEFINE_OPERATIONS_SIGN(u, bits, size) \ |
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168 VEC_MMX_DEFINE_OPERATIONS_SIGN( , bits, size) |
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169 |
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170 VEC_MMX_DEFINE_OPERATIONS(8, 8) |
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171 VEC_MMX_DEFINE_OPERATIONS(16, 4) |
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172 VEC_MMX_DEFINE_OPERATIONS(32, 2) |