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| 1 | //===-- Definition of macros to be used with stdbit functions ----------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef __LLVM_LIBC_MACROS_STDBIT_MACROS_H |
| 10 | #define __LLVM_LIBC_MACROS_STDBIT_MACROS_H |
| 11 | |
| 12 | #define __STDC_VERSION_STDBIT_H__ 202311L |
| 13 | #define __STDC_ENDIAN_LITTLE__ __ORDER_LITTLE_ENDIAN__ |
| 14 | #define __STDC_ENDIAN_BIG__ __ORDER_BIG_ENDIAN__ |
| 15 | #define __STDC_ENDIAN_NATIVE__ __BYTE_ORDER__ |
| 16 | |
| 17 | // TODO(https://github.com/llvm/llvm-project/issues/80509): support _BitInt(). |
| 18 | #ifdef __cplusplus |
| 19 | inline unsigned stdc_leading_zeros(unsigned char x) { |
| 20 | return stdc_leading_zeros_uc(x); |
| 21 | } |
| 22 | inline unsigned stdc_leading_zeros(unsigned short x) { |
| 23 | return stdc_leading_zeros_us(x); |
| 24 | } |
| 25 | inline unsigned stdc_leading_zeros(unsigned x) { |
| 26 | return stdc_leading_zeros_ui(x); |
| 27 | } |
| 28 | inline unsigned stdc_leading_zeros(unsigned long x) { |
| 29 | return stdc_leading_zeros_ul(x); |
| 30 | } |
| 31 | inline unsigned stdc_leading_zeros(unsigned long long x) { |
| 32 | return stdc_leading_zeros_ull(x); |
| 33 | } |
| 34 | inline unsigned stdc_leading_ones(unsigned char x) { |
| 35 | return stdc_leading_ones_uc(x); |
| 36 | } |
| 37 | inline unsigned stdc_leading_ones(unsigned short x) { |
| 38 | return stdc_leading_ones_us(x); |
| 39 | } |
| 40 | inline unsigned stdc_leading_ones(unsigned x) { |
| 41 | return stdc_leading_ones_ui(x); |
| 42 | } |
| 43 | inline unsigned stdc_leading_ones(unsigned long x) { |
| 44 | return stdc_leading_ones_ul(x); |
| 45 | } |
| 46 | inline unsigned stdc_leading_ones(unsigned long long x) { |
| 47 | return stdc_leading_ones_ull(x); |
| 48 | } |
| 49 | inline unsigned stdc_trailing_zeros(unsigned char x) { |
| 50 | return stdc_trailing_zeros_uc(x); |
| 51 | } |
| 52 | inline unsigned stdc_trailing_zeros(unsigned short x) { |
| 53 | return stdc_trailing_zeros_us(x); |
| 54 | } |
| 55 | inline unsigned stdc_trailing_zeros(unsigned x) { |
| 56 | return stdc_trailing_zeros_ui(x); |
| 57 | } |
| 58 | inline unsigned stdc_trailing_zeros(unsigned long x) { |
| 59 | return stdc_trailing_zeros_ul(x); |
| 60 | } |
| 61 | inline unsigned stdc_trailing_zeros(unsigned long long x) { |
| 62 | return stdc_trailing_zeros_ull(x); |
| 63 | } |
| 64 | inline unsigned stdc_trailing_ones(unsigned char x) { |
| 65 | return stdc_trailing_ones_uc(x); |
| 66 | } |
| 67 | inline unsigned stdc_trailing_ones(unsigned short x) { |
| 68 | return stdc_trailing_ones_us(x); |
| 69 | } |
| 70 | inline unsigned stdc_trailing_ones(unsigned x) { |
| 71 | return stdc_trailing_ones_ui(x); |
| 72 | } |
| 73 | inline unsigned stdc_trailing_ones(unsigned long x) { |
| 74 | return stdc_trailing_ones_ul(x); |
| 75 | } |
| 76 | inline unsigned stdc_trailing_ones(unsigned long long x) { |
| 77 | return stdc_trailing_ones_ull(x); |
| 78 | } |
| 79 | inline unsigned stdc_first_leading_zero(unsigned char x) { |
| 80 | return stdc_first_leading_zero_uc(x); |
| 81 | } |
| 82 | inline unsigned stdc_first_leading_zero(unsigned short x) { |
| 83 | return stdc_first_leading_zero_us(x); |
| 84 | } |
| 85 | inline unsigned stdc_first_leading_zero(unsigned x) { |
| 86 | return stdc_first_leading_zero_ui(x); |
| 87 | } |
| 88 | inline unsigned stdc_first_leading_zero(unsigned long x) { |
| 89 | return stdc_first_leading_zero_ul(x); |
| 90 | } |
| 91 | inline unsigned stdc_first_leading_zero(unsigned long long x) { |
| 92 | return stdc_first_leading_zero_ull(x); |
| 93 | } |
| 94 | inline unsigned stdc_first_leading_one(unsigned char x) { |
| 95 | return stdc_first_leading_one_uc(x); |
| 96 | } |
| 97 | inline unsigned stdc_first_leading_one(unsigned short x) { |
| 98 | return stdc_first_leading_one_us(x); |
| 99 | } |
| 100 | inline unsigned stdc_first_leading_one(unsigned x) { |
| 101 | return stdc_first_leading_one_ui(x); |
| 102 | } |
| 103 | inline unsigned stdc_first_leading_one(unsigned long x) { |
| 104 | return stdc_first_leading_one_ul(x); |
| 105 | } |
| 106 | inline unsigned stdc_first_leading_one(unsigned long long x) { |
| 107 | return stdc_first_leading_one_ull(x); |
| 108 | } |
| 109 | inline unsigned stdc_first_trailing_zero(unsigned char x) { |
| 110 | return stdc_first_trailing_zero_uc(x); |
| 111 | } |
| 112 | inline unsigned stdc_first_trailing_zero(unsigned short x) { |
| 113 | return stdc_first_trailing_zero_us(x); |
| 114 | } |
| 115 | inline unsigned stdc_first_trailing_zero(unsigned x) { |
| 116 | return stdc_first_trailing_zero_ui(x); |
| 117 | } |
| 118 | inline unsigned stdc_first_trailing_zero(unsigned long x) { |
| 119 | return stdc_first_trailing_zero_ul(x); |
| 120 | } |
| 121 | inline unsigned stdc_first_trailing_zero(unsigned long long x) { |
| 122 | return stdc_first_trailing_zero_ull(x); |
| 123 | } |
| 124 | inline unsigned stdc_first_trailing_one(unsigned char x) { |
| 125 | return stdc_first_trailing_one_uc(x); |
| 126 | } |
| 127 | inline unsigned stdc_first_trailing_one(unsigned short x) { |
| 128 | return stdc_first_trailing_one_us(x); |
| 129 | } |
| 130 | inline unsigned stdc_first_trailing_one(unsigned x) { |
| 131 | return stdc_first_trailing_one_ui(x); |
| 132 | } |
| 133 | inline unsigned stdc_first_trailing_one(unsigned long x) { |
| 134 | return stdc_first_trailing_one_ul(x); |
| 135 | } |
| 136 | inline unsigned stdc_first_trailing_one(unsigned long long x) { |
| 137 | return stdc_first_trailing_one_ull(x); |
| 138 | } |
| 139 | inline unsigned stdc_count_zeros(unsigned char x) { |
| 140 | return stdc_count_zeros_uc(x); |
| 141 | } |
| 142 | inline unsigned stdc_count_zeros(unsigned short x) { |
| 143 | return stdc_count_zeros_us(x); |
| 144 | } |
| 145 | inline unsigned stdc_count_zeros(unsigned x) { return stdc_count_zeros_ui(x); } |
| 146 | inline unsigned stdc_count_zeros(unsigned long x) { |
| 147 | return stdc_count_zeros_ul(x); |
| 148 | } |
| 149 | inline unsigned stdc_count_zeros(unsigned long long x) { |
| 150 | return stdc_count_zeros_ull(x); |
| 151 | } |
| 152 | inline unsigned stdc_count_ones(unsigned char x) { |
| 153 | return stdc_count_ones_uc(x); |
| 154 | } |
| 155 | inline unsigned stdc_count_ones(unsigned short x) { |
| 156 | return stdc_count_ones_us(x); |
| 157 | } |
| 158 | inline unsigned stdc_count_ones(unsigned x) { return stdc_count_ones_ui(x); } |
| 159 | inline unsigned stdc_count_ones(unsigned long x) { |
| 160 | return stdc_count_ones_ul(x); |
| 161 | } |
| 162 | inline unsigned stdc_count_ones(unsigned long long x) { |
| 163 | return stdc_count_ones_ull(x); |
| 164 | } |
| 165 | inline bool stdc_has_single_bit(unsigned char x) { |
| 166 | return stdc_has_single_bit_uc(x); |
| 167 | } |
| 168 | inline bool stdc_has_single_bit(unsigned short x) { |
| 169 | return stdc_has_single_bit_us(x); |
| 170 | } |
| 171 | inline bool stdc_has_single_bit(unsigned x) { |
| 172 | return stdc_has_single_bit_ui(x); |
| 173 | } |
| 174 | inline bool stdc_has_single_bit(unsigned long x) { |
| 175 | return stdc_has_single_bit_ul(x); |
| 176 | } |
| 177 | inline bool stdc_has_single_bit(unsigned long long x) { |
| 178 | return stdc_has_single_bit_ull(x); |
| 179 | } |
| 180 | inline unsigned stdc_bit_width(unsigned char x) { return stdc_bit_width_uc(x); } |
| 181 | inline unsigned stdc_bit_width(unsigned short x) { |
| 182 | return stdc_bit_width_us(x); |
| 183 | } |
| 184 | inline unsigned stdc_bit_width(unsigned x) { return stdc_bit_width_ui(x); } |
| 185 | inline unsigned stdc_bit_width(unsigned long x) { return stdc_bit_width_ul(x); } |
| 186 | inline unsigned stdc_bit_width(unsigned long long x) { |
| 187 | return stdc_bit_width_ull(x); |
| 188 | } |
| 189 | inline unsigned char stdc_bit_floor(unsigned char x) { |
| 190 | return stdc_bit_floor_uc(x); |
| 191 | } |
| 192 | inline unsigned short stdc_bit_floor(unsigned short x) { |
| 193 | return stdc_bit_floor_us(x); |
| 194 | } |
| 195 | inline unsigned stdc_bit_floor(unsigned x) { return stdc_bit_floor_ui(x); } |
| 196 | inline unsigned long stdc_bit_floor(unsigned long x) { |
| 197 | return stdc_bit_floor_ul(x); |
| 198 | } |
| 199 | inline unsigned long long stdc_bit_floor(unsigned long long x) { |
| 200 | return stdc_bit_floor_ull(x); |
| 201 | } |
| 202 | inline unsigned char stdc_bit_ceil(unsigned char x) { |
| 203 | return stdc_bit_ceil_uc(x); |
| 204 | } |
| 205 | inline unsigned short stdc_bit_ceil(unsigned short x) { |
| 206 | return stdc_bit_ceil_us(x); |
| 207 | } |
| 208 | inline unsigned stdc_bit_ceil(unsigned x) { return stdc_bit_ceil_ui(x); } |
| 209 | inline unsigned long stdc_bit_ceil(unsigned long x) { |
| 210 | return stdc_bit_ceil_ul(x); |
| 211 | } |
| 212 | inline unsigned long long stdc_bit_ceil(unsigned long long x) { |
| 213 | return stdc_bit_ceil_ull(x); |
| 214 | } |
| 215 | #else |
| 216 | #define stdc_leading_zeros(x) \ |
| 217 | _Generic((x), \ |
| 218 | unsigned char: stdc_leading_zeros_uc, \ |
| 219 | unsigned short: stdc_leading_zeros_us, \ |
| 220 | unsigned: stdc_leading_zeros_ui, \ |
| 221 | unsigned long: stdc_leading_zeros_ul, \ |
| 222 | unsigned long long: stdc_leading_zeros_ull)(x) |
| 223 | #define stdc_leading_ones(x) \ |
| 224 | _Generic((x), \ |
| 225 | unsigned char: stdc_leading_ones_uc, \ |
| 226 | unsigned short: stdc_leading_ones_us, \ |
| 227 | unsigned: stdc_leading_ones_ui, \ |
| 228 | unsigned long: stdc_leading_ones_ul, \ |
| 229 | unsigned long long: stdc_leading_ones_ull)(x) |
| 230 | #define stdc_trailing_zeros(x) \ |
| 231 | _Generic((x), \ |
| 232 | unsigned char: stdc_trailing_zeros_uc, \ |
| 233 | unsigned short: stdc_trailing_zeros_us, \ |
| 234 | unsigned: stdc_trailing_zeros_ui, \ |
| 235 | unsigned long: stdc_trailing_zeros_ul, \ |
| 236 | unsigned long long: stdc_trailing_zeros_ull)(x) |
| 237 | #define stdc_trailing_ones(x) \ |
| 238 | _Generic((x), \ |
| 239 | unsigned char: stdc_trailing_ones_uc, \ |
| 240 | unsigned short: stdc_trailing_ones_us, \ |
| 241 | unsigned: stdc_trailing_ones_ui, \ |
| 242 | unsigned long: stdc_trailing_ones_ul, \ |
| 243 | unsigned long long: stdc_trailing_ones_ull)(x) |
| 244 | #define stdc_first_leading_zero(x) \ |
| 245 | _Generic((x), \ |
| 246 | unsigned char: stdc_first_leading_zero_uc, \ |
| 247 | unsigned short: stdc_first_leading_zero_us, \ |
| 248 | unsigned: stdc_first_leading_zero_ui, \ |
| 249 | unsigned long: stdc_first_leading_zero_ul, \ |
| 250 | unsigned long long: stdc_first_leading_zero_ull)(x) |
| 251 | #define stdc_first_leading_one(x) \ |
| 252 | _Generic((x), \ |
| 253 | unsigned char: stdc_first_leading_one_uc, \ |
| 254 | unsigned short: stdc_first_leading_one_us, \ |
| 255 | unsigned: stdc_first_leading_one_ui, \ |
| 256 | unsigned long: stdc_first_leading_one_ul, \ |
| 257 | unsigned long long: stdc_first_leading_one_ull)(x) |
| 258 | #define stdc_first_trailing_zero(x) \ |
| 259 | _Generic((x), \ |
| 260 | unsigned char: stdc_first_trailing_zero_uc, \ |
| 261 | unsigned short: stdc_first_trailing_zero_us, \ |
| 262 | unsigned: stdc_first_trailing_zero_ui, \ |
| 263 | unsigned long: stdc_first_trailing_zero_ul, \ |
| 264 | unsigned long long: stdc_first_trailing_zero_ull)(x) |
| 265 | #define stdc_first_trailing_one(x) \ |
| 266 | _Generic((x), \ |
| 267 | unsigned char: stdc_first_trailing_one_uc, \ |
| 268 | unsigned short: stdc_first_trailing_one_us, \ |
| 269 | unsigned: stdc_first_trailing_one_ui, \ |
| 270 | unsigned long: stdc_first_trailing_one_ul, \ |
| 271 | unsigned long long: stdc_first_trailing_one_ull)(x) |
| 272 | #define stdc_count_zeros(x) \ |
| 273 | _Generic((x), \ |
| 274 | unsigned char: stdc_count_zeros_uc, \ |
| 275 | unsigned short: stdc_count_zeros_us, \ |
| 276 | unsigned: stdc_count_zeros_ui, \ |
| 277 | unsigned long: stdc_count_zeros_ul, \ |
| 278 | unsigned long long: stdc_count_zeros_ull)(x) |
| 279 | #define stdc_count_ones(x) \ |
| 280 | _Generic((x), \ |
| 281 | unsigned char: stdc_count_ones_uc, \ |
| 282 | unsigned short: stdc_count_ones_us, \ |
| 283 | unsigned: stdc_count_ones_ui, \ |
| 284 | unsigned long: stdc_count_ones_ul, \ |
| 285 | unsigned long long: stdc_count_ones_ull)(x) |
| 286 | #define stdc_has_single_bit(x) \ |
| 287 | _Generic((x), \ |
| 288 | unsigned char: stdc_has_single_bit_uc, \ |
| 289 | unsigned short: stdc_has_single_bit_us, \ |
| 290 | unsigned: stdc_has_single_bit_ui, \ |
| 291 | unsigned long: stdc_has_single_bit_ul, \ |
| 292 | unsigned long long: stdc_has_single_bit_ull)(x) |
| 293 | #define stdc_bit_width(x) \ |
| 294 | _Generic((x), \ |
| 295 | unsigned char: stdc_bit_width_uc, \ |
| 296 | unsigned short: stdc_bit_width_us, \ |
| 297 | unsigned: stdc_bit_width_ui, \ |
| 298 | unsigned long: stdc_bit_width_ul, \ |
| 299 | unsigned long long: stdc_bit_width_ull)(x) |
| 300 | #define stdc_bit_floor(x) \ |
| 301 | _Generic((x), \ |
| 302 | unsigned char: stdc_bit_floor_uc, \ |
| 303 | unsigned short: stdc_bit_floor_us, \ |
| 304 | unsigned: stdc_bit_floor_ui, \ |
| 305 | unsigned long: stdc_bit_floor_ul, \ |
| 306 | unsigned long long: stdc_bit_floor_ull)(x) |
| 307 | #define stdc_bit_ceil(x) \ |
| 308 | _Generic((x), \ |
| 309 | unsigned char: stdc_bit_ceil_uc, \ |
| 310 | unsigned short: stdc_bit_ceil_us, \ |
| 311 | unsigned: stdc_bit_ceil_ui, \ |
| 312 | unsigned long: stdc_bit_ceil_ul, \ |
| 313 | unsigned long long: stdc_bit_ceil_ull)(x) |
| 314 | #endif // __cplusplus |
| 315 | |
| 316 | #endif // __LLVM_LIBC_MACROS_STDBIT_MACROS_H |
| 317 |
Warning: This file is not a C or C++ file. It does not have highlighting.