src/stdarch/crates/core_arch/src/macros.rs

   1 //! Utility macros.
   2
   3 #[allow(unused)]
   4 macro_rules! constify_imm8 {
   5     ($imm8:expr, $expand:ident) => {
   6         #[allow(overflowing_literals)]
   7         match ($imm8) & 0b1111_1111 {
   8             0 => $expand!(0),
   9             1 => $expand!(1),
  10             2 => $expand!(2),
  11             3 => $expand!(3),
  12             4 => $expand!(4),
  13             5 => $expand!(5),
  14             6 => $expand!(6),
  15             7 => $expand!(7),
  16             8 => $expand!(8),
  17             9 => $expand!(9),
  18             10 => $expand!(10),
  19             11 => $expand!(11),
  20             12 => $expand!(12),
  21             13 => $expand!(13),
  22             14 => $expand!(14),
  23             15 => $expand!(15),
  24             16 => $expand!(16),
  25             17 => $expand!(17),
  26             18 => $expand!(18),
  27             19 => $expand!(19),
  28             20 => $expand!(20),
  29             21 => $expand!(21),
  30             22 => $expand!(22),
  31             23 => $expand!(23),
  32             24 => $expand!(24),
  33             25 => $expand!(25),
  34             26 => $expand!(26),
  35             27 => $expand!(27),
  36             28 => $expand!(28),
  37             29 => $expand!(29),
  38             30 => $expand!(30),
  39             31 => $expand!(31),
  40             32 => $expand!(32),
  41             33 => $expand!(33),
  42             34 => $expand!(34),
  43             35 => $expand!(35),
  44             36 => $expand!(36),
  45             37 => $expand!(37),
  46             38 => $expand!(38),
  47             39 => $expand!(39),
  48             40 => $expand!(40),
  49             41 => $expand!(41),
  50             42 => $expand!(42),
  51             43 => $expand!(43),
  52             44 => $expand!(44),
  53             45 => $expand!(45),
  54             46 => $expand!(46),
  55             47 => $expand!(47),
  56             48 => $expand!(48),
  57             49 => $expand!(49),
  58             50 => $expand!(50),
  59             51 => $expand!(51),
  60             52 => $expand!(52),
  61             53 => $expand!(53),
  62             54 => $expand!(54),
  63             55 => $expand!(55),
  64             56 => $expand!(56),
  65             57 => $expand!(57),
  66             58 => $expand!(58),
  67             59 => $expand!(59),
  68             60 => $expand!(60),
  69             61 => $expand!(61),
  70             62 => $expand!(62),
  71             63 => $expand!(63),
  72             64 => $expand!(64),
  73             65 => $expand!(65),
  74             66 => $expand!(66),
  75             67 => $expand!(67),
  76             68 => $expand!(68),
  77             69 => $expand!(69),
  78             70 => $expand!(70),
  79             71 => $expand!(71),
  80             72 => $expand!(72),
  81             73 => $expand!(73),
  82             74 => $expand!(74),
  83             75 => $expand!(75),
  84             76 => $expand!(76),
  85             77 => $expand!(77),
  86             78 => $expand!(78),
  87             79 => $expand!(79),
  88             80 => $expand!(80),
  89             81 => $expand!(81),
  90             82 => $expand!(82),
  91             83 => $expand!(83),
  92             84 => $expand!(84),
  93             85 => $expand!(85),
  94             86 => $expand!(86),
  95             87 => $expand!(87),
  96             88 => $expand!(88),
  97             89 => $expand!(89),
  98             90 => $expand!(90),
  99             91 => $expand!(91),
 100             92 => $expand!(92),
 101             93 => $expand!(93),
 102             94 => $expand!(94),
 103             95 => $expand!(95),
 104             96 => $expand!(96),
 105             97 => $expand!(97),
 106             98 => $expand!(98),
 107             99 => $expand!(99),
 108             100 => $expand!(100),
 109             101 => $expand!(101),
 110             102 => $expand!(102),
 111             103 => $expand!(103),
 112             104 => $expand!(104),
 113             105 => $expand!(105),
 114             106 => $expand!(106),
 115             107 => $expand!(107),
 116             108 => $expand!(108),
 117             109 => $expand!(109),
 118             110 => $expand!(110),
 119             111 => $expand!(111),
 120             112 => $expand!(112),
 121             113 => $expand!(113),
 122             114 => $expand!(114),
 123             115 => $expand!(115),
 124             116 => $expand!(116),
 125             117 => $expand!(117),
 126             118 => $expand!(118),
 127             119 => $expand!(119),
 128             120 => $expand!(120),
 129             121 => $expand!(121),
 130             122 => $expand!(122),
 131             123 => $expand!(123),
 132             124 => $expand!(124),
 133             125 => $expand!(125),
 134             126 => $expand!(126),
 135             127 => $expand!(127),
 136             128 => $expand!(128),
 137             129 => $expand!(129),
 138             130 => $expand!(130),
 139             131 => $expand!(131),
 140             132 => $expand!(132),
 141             133 => $expand!(133),
 142             134 => $expand!(134),
 143             135 => $expand!(135),
 144             136 => $expand!(136),
 145             137 => $expand!(137),
 146             138 => $expand!(138),
 147             139 => $expand!(139),
 148             140 => $expand!(140),
 149             141 => $expand!(141),
 150             142 => $expand!(142),
 151             143 => $expand!(143),
 152             144 => $expand!(144),
 153             145 => $expand!(145),
 154             146 => $expand!(146),
 155             147 => $expand!(147),
 156             148 => $expand!(148),
 157             149 => $expand!(149),
 158             150 => $expand!(150),
 159             151 => $expand!(151),
 160             152 => $expand!(152),
 161             153 => $expand!(153),
 162             154 => $expand!(154),
 163             155 => $expand!(155),
 164             156 => $expand!(156),
 165             157 => $expand!(157),
 166             158 => $expand!(158),
 167             159 => $expand!(159),
 168             160 => $expand!(160),
 169             161 => $expand!(161),
 170             162 => $expand!(162),
 171             163 => $expand!(163),
 172             164 => $expand!(164),
 173             165 => $expand!(165),
 174             166 => $expand!(166),
 175             167 => $expand!(167),
 176             168 => $expand!(168),
 177             169 => $expand!(169),
 178             170 => $expand!(170),
 179             171 => $expand!(171),
 180             172 => $expand!(172),
 181             173 => $expand!(173),
 182             174 => $expand!(174),
 183             175 => $expand!(175),
 184             176 => $expand!(176),
 185             177 => $expand!(177),
 186             178 => $expand!(178),
 187             179 => $expand!(179),
 188             180 => $expand!(180),
 189             181 => $expand!(181),
 190             182 => $expand!(182),
 191             183 => $expand!(183),
 192             184 => $expand!(184),
 193             185 => $expand!(185),
 194             186 => $expand!(186),
 195             187 => $expand!(187),
 196             188 => $expand!(188),
 197             189 => $expand!(189),
 198             190 => $expand!(190),
 199             191 => $expand!(191),
 200             192 => $expand!(192),
 201             193 => $expand!(193),
 202             194 => $expand!(194),
 203             195 => $expand!(195),
 204             196 => $expand!(196),
 205             197 => $expand!(197),
 206             198 => $expand!(198),
 207             199 => $expand!(199),
 208             200 => $expand!(200),
 209             201 => $expand!(201),
 210             202 => $expand!(202),
 211             203 => $expand!(203),
 212             204 => $expand!(204),
 213             205 => $expand!(205),
 214             206 => $expand!(206),
 215             207 => $expand!(207),
 216             208 => $expand!(208),
 217             209 => $expand!(209),
 218             210 => $expand!(210),
 219             211 => $expand!(211),
 220             212 => $expand!(212),
 221             213 => $expand!(213),
 222             214 => $expand!(214),
 223             215 => $expand!(215),
 224             216 => $expand!(216),
 225             217 => $expand!(217),
 226             218 => $expand!(218),
 227             219 => $expand!(219),
 228             220 => $expand!(220),
 229             221 => $expand!(221),
 230             222 => $expand!(222),
 231             223 => $expand!(223),
 232             224 => $expand!(224),
 233             225 => $expand!(225),
 234             226 => $expand!(226),
 235             227 => $expand!(227),
 236             228 => $expand!(228),
 237             229 => $expand!(229),
 238             230 => $expand!(230),
 239             231 => $expand!(231),
 240             232 => $expand!(232),
 241             233 => $expand!(233),
 242             234 => $expand!(234),
 243             235 => $expand!(235),
 244             236 => $expand!(236),
 245             237 => $expand!(237),
 246             238 => $expand!(238),
 247             239 => $expand!(239),
 248             240 => $expand!(240),
 249             241 => $expand!(241),
 250             242 => $expand!(242),
 251             243 => $expand!(243),
 252             244 => $expand!(244),
 253             245 => $expand!(245),
 254             246 => $expand!(246),
 255             247 => $expand!(247),
 256             248 => $expand!(248),
 257             249 => $expand!(249),
 258             250 => $expand!(250),
 259             251 => $expand!(251),
 260             252 => $expand!(252),
 261             253 => $expand!(253),
 262             254 => $expand!(254),
 263             _ => $expand!(255),
 264         }
 265     };
 266 }
 267
 268 //immediate value: 0:31
 269 #[allow(unused)]
 270 macro_rules! constify_imm5 {
 271     ($imm8:expr, $expand:ident) => {
 272         #[allow(overflowing_literals)]
 273         match ($imm8) & 0b1_1111 {
 274             0 => $expand!(0),
 275             1 => $expand!(1),
 276             2 => $expand!(2),
 277             3 => $expand!(3),
 278             4 => $expand!(4),
 279             5 => $expand!(5),
 280             6 => $expand!(6),
 281             7 => $expand!(7),
 282             8 => $expand!(8),
 283             9 => $expand!(9),
 284             10 => $expand!(10),
 285             11 => $expand!(11),
 286             12 => $expand!(12),
 287             13 => $expand!(13),
 288             14 => $expand!(14),
 289             15 => $expand!(15),
 290             16 => $expand!(16),
 291             17 => $expand!(17),
 292             18 => $expand!(18),
 293             19 => $expand!(19),
 294             20 => $expand!(20),
 295             21 => $expand!(21),
 296             22 => $expand!(22),
 297             23 => $expand!(23),
 298             24 => $expand!(24),
 299             25 => $expand!(25),
 300             26 => $expand!(26),
 301             27 => $expand!(27),
 302             28 => $expand!(28),
 303             29 => $expand!(29),
 304             30 => $expand!(30),
 305             _ => $expand!(31),
 306         }
 307     };
 308 }
 309
 310 //immediate value: -16:15
 311 #[allow(unused)]
 312 macro_rules! constify_imm5 {
 313     ($imm8:expr, $expand:ident) => {
 314         #[allow(overflowing_literals)]
 315         match ($imm8) & 0b1_1111 {
 316             0 => $expand!(0),
 317             1 => $expand!(1),
 318             2 => $expand!(2),
 319             3 => $expand!(3),
 320             4 => $expand!(4),
 321             5 => $expand!(5),
 322             6 => $expand!(6),
 323             7 => $expand!(7),
 324             8 => $expand!(8),
 325             9 => $expand!(9),
 326             10 => $expand!(10),
 327             11 => $expand!(11),
 328             12 => $expand!(12),
 329             13 => $expand!(13),
 330             14 => $expand!(14),
 331             15 => $expand!(15),
 332             16 => $expand!(16),
 333             17 => $expand!(17),
 334             18 => $expand!(18),
 335             19 => $expand!(19),
 336             20 => $expand!(20),
 337             21 => $expand!(21),
 338             22 => $expand!(22),
 339             23 => $expand!(23),
 340             24 => $expand!(24),
 341             25 => $expand!(25),
 342             26 => $expand!(26),
 343             27 => $expand!(27),
 344             28 => $expand!(28),
 345             29 => $expand!(29),
 346             30 => $expand!(30),
 347             _ => $expand!(31),
 348         }
 349     };
 350 }
 351
 352 //immediate value: 0:16
 353 #[allow(unused)]
 354 macro_rules! constify_imm4 {
 355     ($imm8:expr, $expand:ident) => {
 356         #[allow(overflowing_literals)]
 357         match ($imm8) & 0b1111 {
 358             0 => $expand!(0),
 359             1 => $expand!(1),
 360             2 => $expand!(2),
 361             3 => $expand!(3),
 362             4 => $expand!(4),
 363             5 => $expand!(5),
 364             6 => $expand!(6),
 365             7 => $expand!(7),
 366             8 => $expand!(8),
 367             9 => $expand!(9),
 368             10 => $expand!(10),
 369             11 => $expand!(11),
 370             12 => $expand!(12),
 371             13 => $expand!(13),
 372             14 => $expand!(14),
 373             _ => $expand!(15),
 374         }
 375     };
 376 }
 377
 378 //immediate value: 0:7
 379 #[allow(unused)]
 380 macro_rules! constify_imm3 {
 381     ($imm8:expr, $expand:ident) => {
 382         #[allow(overflowing_literals)]
 383         match ($imm8) & 0b111 {
 384             0 => $expand!(0),
 385             1 => $expand!(1),
 386             2 => $expand!(2),
 387             3 => $expand!(3),
 388             4 => $expand!(4),
 389             5 => $expand!(5),
 390             6 => $expand!(6),
 391             _ => $expand!(7),
 392         }
 393     };
 394 }
 395
 396 #[allow(unused)]
 397 macro_rules! types {
 398     ($(
 399         $(#[$doc:meta])*
 400         pub struct $name:ident($($fields:tt)*);
 401     )*) => ($(
 402         $(#[$doc])*
 403         #[derive(Copy, Clone, Debug)]
 404         #[allow(non_camel_case_types)]
 405         #[repr(simd)]
 406         #[allow(clippy::missing_inline_in_public_items)]
 407         pub struct $name($($fields)*);
 408     )*)
 409 }