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annotate gen/gendouble.c @ 46:31cee67540b5

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f32/f64: add floor, ceil, round, and trunc operations we also need saturated add sub mul etc
author Paper <paper@tflc.us>
date Sat, 09 Aug 2025 15:55:59 -0400
parents 7955bed1d169
children
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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) 2024-2025 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 "genlib.h"
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26
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27 /* ------------------------------------------------------------------------ */
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28
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29 static void op_print_pp_halfsize(int op, int type, int bits, int size)
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30 {
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31 struct op_info *op_info = gen_op_info(op);
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32
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33 printf("defined(V%s%dx%d_%s_DEFINED)", type_str[type].u, bits, size / 2, op_info->u);
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34 }
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35
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36 static void op_print_twoop(int op, int type, int bits, int size)
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37 {
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38 struct op_info *op_info = gen_op_info(op);
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39
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40 printf("\tvec1.dbl[0] = ");
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41 gen_print_vtype(type, bits, size / 2);
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42 printf("_%s(vec1.dbl[0], vec2.dbl[0]);\n", op_info->l);
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43
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44 printf("\tvec1.dbl[1] = ");
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45 gen_print_vtype(type, bits, size / 2);
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46 printf("_%s(vec1.dbl[1], vec2.dbl[1]);\n", op_info->l);
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47
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48 printf("\treturn vec1;\n");
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49 }
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50
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51 static void op_print_unoop(int op, int type, int bits, int size)
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52 {
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53 struct op_info *op_info = gen_op_info(op);
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54
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55 printf("\tvec.dbl[0] = ");
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56 gen_print_vtype(type, bits, size / 2);
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57 printf("_%s(vec.dbl[0]);\n", op_info->l);
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58
46
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59 printf("\tvec.dbl[1] = ");
45
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60 gen_print_vtype(type, bits, size / 2);
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61 printf("_%s(vec.dbl[1]);\n", op_info->l);
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62
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63 printf("\treturn vec;\n");
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64 }
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65
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66 static inline void op_print_load(int op, int type, int bits, int size)
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67 {
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68 struct op_info *op_info = gen_op_info(op);
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69
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70 printf("\t");
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71 gen_print_vtype(type, bits, size);
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72 printf(" vec;\n");
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73
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74 printf("\tvec.dbl[0] = ");
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75 gen_print_vtype(type, bits, size / 2);
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76 printf("_%s(x);\n", op_info->l);
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77
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78 printf("\tvec.dbl[1] = ");
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79 gen_print_vtype(type, bits, size / 2);
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80 printf("_%s(x + %d);\n", op_info->l, size / 2);
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81
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82 printf("\treturn vec;\n");
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83 }
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84
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85 static inline void op_print_splat(int op, int type, int bits, int size)
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86 {
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87 struct op_info *op_info = gen_op_info(op);
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88
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89 printf("\t");
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90 gen_print_vtype(type, bits, size);
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91 printf(" vec;\n");
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92
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93 printf("\tvec.dbl[0] = ");
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94 gen_print_vtype(type, bits, size / 2);
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95 printf("_%s(x);\n", op_info->l);
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96
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97 printf("\tvec.dbl[1] = ");
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98 gen_print_vtype(type, bits, size / 2);
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99 printf("_%s(x);\n", op_info->l);
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100
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101 printf("\treturn vec;\n");
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102 }
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103
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104 static inline void op_print_store(int op, int type, int bits, int size)
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105 {
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106 struct op_info *op_info = gen_op_info(op);
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107
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108 printf("\t");
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109 gen_print_vtype(type, bits, size / 2);
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110 printf("_%s(vec.dbl[0], x);\n", op_info->l);
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111
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112 printf("\t");
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113 gen_print_vtype(type, bits, size / 2);
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114 printf("_%s(vec.dbl[1], x + %d);\n", op_info->l, size / 2);
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115 }
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116
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117 static struct op_impl op_impl[OP_FINAL_] = {
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118 [OP_SPLAT] = {NULL, op_print_pp_halfsize, op_print_splat},
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119 [OP_LOAD_ALIGNED] = {NULL, op_print_pp_halfsize, op_print_load},
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120 [OP_LOAD] = {NULL, op_print_pp_halfsize, op_print_load},
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121 [OP_STORE_ALIGNED] = {NULL, op_print_pp_halfsize, op_print_store},
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122 [OP_STORE] = {NULL, op_print_pp_halfsize, op_print_store},
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123
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124 /* arithmetic */
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125 [OP_ADD] = {NULL, op_print_pp_halfsize, op_print_twoop},
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126 [OP_SUB] = {NULL, op_print_pp_halfsize, op_print_twoop},
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127 [OP_MUL] = {NULL, op_print_pp_halfsize, op_print_twoop},
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128 [OP_DIV] = {NULL, op_print_pp_halfsize, op_print_twoop},
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129 [OP_MOD] = {NULL, op_print_pp_halfsize, op_print_twoop},
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130 [OP_AVG] = {NULL, op_print_pp_halfsize, op_print_twoop},
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131
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132 /* bitwise */
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133 [OP_AND] = {NULL, op_print_pp_halfsize, op_print_twoop},
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134 [OP_OR] = {NULL, op_print_pp_halfsize, op_print_twoop},
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135 [OP_XOR] = {NULL, op_print_pp_halfsize, op_print_twoop},
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136 [OP_NOT] = {NULL, op_print_pp_halfsize, op_print_unoop},
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137
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138 /* min/max */
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139 [OP_MIN] = {NULL, op_print_pp_halfsize, op_print_twoop},
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140 [OP_MAX] = {NULL, op_print_pp_halfsize, op_print_twoop},
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141
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142 /* bitshift */
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143 [OP_LSHIFT] = {NULL, op_print_pp_halfsize, op_print_twoop},
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144 [OP_LRSHIFT] = {NULL, op_print_pp_halfsize, op_print_twoop},
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145 [OP_RSHIFT] = {NULL, op_print_pp_halfsize, op_print_twoop},
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146
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147 /* comparison */
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148 [OP_CMPLT] = {NULL, op_print_pp_halfsize, op_print_twoop},
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149 [OP_CMPLE] = {NULL, op_print_pp_halfsize, op_print_twoop},
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150 [OP_CMPEQ] = {NULL, op_print_pp_halfsize, op_print_twoop},
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151 [OP_CMPGE] = {NULL, op_print_pp_halfsize, op_print_twoop},
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152 [OP_CMPGT] = {NULL, op_print_pp_halfsize, op_print_twoop},
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153
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154 [OP_FLOOR] = {NULL, op_print_pp_halfsize, op_print_unoop},
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155 [OP_CEIL] = {NULL, op_print_pp_halfsize, op_print_unoop},
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156 [OP_ROUND] = {NULL, op_print_pp_halfsize, op_print_unoop},
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157 [OP_TRUNC] = {NULL, op_print_pp_halfsize, op_print_unoop},
45
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158 };
7955bed1d169 *: add preliminary floating point support
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159
7955bed1d169 *: add preliminary floating point support
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160 int main(void)
7955bed1d169 *: add preliminary floating point support
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161 {
7955bed1d169 *: add preliminary floating point support
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162 gen(op_impl, "double");
7955bed1d169 *: add preliminary floating point support
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163 }