msg_132.c revision 1.51
1 /* $NetBSD: msg_132.c,v 1.51 2025/01/02 18:36:52 rillig Exp $ */ 2 # 3 "msg_132.c" 3 4 // Test for message: conversion from '%s' to '%s' may lose accuracy [132] 5 6 /* 7 * NetBSD's default lint flags only include a single -a, which only flags 8 * narrowing conversions from long. To get warnings for all narrowing 9 * conversions, -a needs to be given more than once. 10 * 11 * https://gnats.netbsd.org/14531 12 */ 13 14 /* lint1-extra-flags: -aa -X 351 */ 15 16 typedef unsigned char u8_t; 17 typedef unsigned short u16_t; 18 typedef unsigned int u32_t; 19 typedef unsigned long long u64_t; 20 typedef signed char s8_t; 21 typedef signed short s16_t; 22 typedef signed int s32_t; 23 typedef signed long long s64_t; 24 25 _Bool cond; 26 char ch; 27 28 u8_t u8; 29 u16_t u16; 30 u32_t u32; 31 u64_t u64; 32 33 s8_t s8; 34 s16_t s16; 35 s32_t s32; 36 s64_t s64; 37 38 const char *ptr; 39 40 struct bit_fields { 41 unsigned u1:1; 42 unsigned u2:2; 43 unsigned u3:3; 44 unsigned u4:4; 45 unsigned u5:5; 46 unsigned u6:6; 47 unsigned u7:7; 48 unsigned u8:8; 49 unsigned u9:9; 50 unsigned u10:10; 51 unsigned u11:11; 52 unsigned u12:12; 53 unsigned u32:32; 54 } bits; 55 56 57 void 58 unsigned_to_unsigned(void) 59 { 60 /* expect+1: warning: conversion from 'unsigned short' to 'unsigned char' may lose accuracy [132] */ 61 u8 = u16; 62 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned char' may lose accuracy [132] */ 63 u8 = u32; 64 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned char' may lose accuracy [132] */ 65 u8 = u64; 66 67 u16 = u8; 68 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 69 u16 = u32; 70 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned short' may lose accuracy [132] */ 71 u16 = u64; 72 73 u32 = u8; 74 u32 = u16; 75 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int' may lose accuracy [132] */ 76 u32 = u64; 77 78 u64 = u8; 79 u64 = u16; 80 u64 = u32; 81 } 82 83 void 84 unsigned_to_signed(void) 85 { 86 /* expect+1: warning: conversion from 'unsigned short' to 'signed char' may lose accuracy [132] */ 87 s8 = u16; 88 /* expect+1: warning: conversion from 'unsigned int' to 'signed char' may lose accuracy [132] */ 89 s8 = u32; 90 /* expect+1: warning: conversion from 'unsigned long long' to 'signed char' may lose accuracy [132] */ 91 s8 = u64; 92 93 s16 = u8; 94 /* expect+1: warning: conversion from 'unsigned int' to 'short' may lose accuracy [132] */ 95 s16 = u32; 96 /* expect+1: warning: conversion from 'unsigned long long' to 'short' may lose accuracy [132] */ 97 s16 = u64; 98 99 s32 = u8; 100 s32 = u16; 101 /* expect+1: warning: conversion from 'unsigned long long' to 'int' may lose accuracy [132] */ 102 s32 = u64; 103 104 s64 = u8; 105 s64 = u16; 106 s64 = u32; 107 } 108 109 void 110 signed_to_unsigned(void) 111 { 112 /* expect+1: warning: conversion from 'short' to 'unsigned char' may lose accuracy [132] */ 113 u8 = s16; 114 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 115 u8 = s32; 116 /* expect+1: warning: conversion from 'long long' to 'unsigned char' may lose accuracy [132] */ 117 u8 = s64; 118 119 u16 = s8; 120 /* expect+1: warning: conversion from 'int' to 'unsigned short' may lose accuracy [132] */ 121 u16 = s32; 122 /* expect+1: warning: conversion from 'long long' to 'unsigned short' may lose accuracy [132] */ 123 u16 = s64; 124 125 u32 = s8; 126 u32 = s16; 127 /* expect+1: warning: conversion from 'long long' to 'unsigned int' may lose accuracy [132] */ 128 u32 = s64; 129 130 u64 = s8; 131 u64 = s16; 132 u64 = s32; 133 } 134 135 void 136 signed_to_signed(void) 137 { 138 /* expect+1: warning: conversion from 'short' to 'signed char' may lose accuracy [132] */ 139 s8 = s16; 140 /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */ 141 s8 = s32; 142 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 143 s8 = s64; 144 145 s16 = s8; 146 /* expect+1: warning: conversion from 'int' to 'short' may lose accuracy [132] */ 147 s16 = s32; 148 /* expect+1: warning: conversion from 'long long' to 'short' may lose accuracy [132] */ 149 s16 = s64; 150 151 s32 = s8; 152 s32 = s16; 153 /* expect+1: warning: conversion from 'long long' to 'int' may lose accuracy [132] */ 154 s32 = s64; 155 156 s64 = s8; 157 s64 = s16; 158 s64 = s32; 159 } 160 161 /* 162 * Before tree.c 1.268 from 2021-04-06, lint wrongly warned that conversion 163 * to _Bool might lose accuracy. C99 6.3.1.2 defines a special conversion 164 * rule from scalar to _Bool though by comparing the value to 0. 165 */ 166 _Bool 167 to_bool(long a, long b) 168 { 169 /* seen in fp_lib.h, function wideRightShiftWithSticky */ 170 return a | b; 171 } 172 173 /* ARGSUSED */ 174 const char * 175 cover_build_plus_minus(const char *arr, double idx) 176 { 177 if (idx > 0.0) 178 /* expect+2: error: operands of '+' have incompatible types 'pointer to const char' and 'double' [107] */ 179 /* expect+1: error: function 'cover_build_plus_minus' expects to return value [214] */ 180 return arr + idx; 181 return arr + (unsigned int)idx; 182 } 183 184 int 185 non_constant_expression(void) 186 { 187 /* 188 * Even though this variable definition looks like a constant, it 189 * does not fall within C's definition of an integer constant 190 * expression. Due to that, lint does not perform constant folding 191 * on the expression built from this variable and thus doesn't know 192 * that the conversion will always succeed. 193 */ 194 const int not_a_constant = 8; 195 /* expect+1: warning: conversion from 'unsigned long long' to 'int' may lose accuracy [132] */ 196 return not_a_constant * 8ULL; 197 } 198 199 /* 200 * PR 36668 notices that lint wrongly complains about the possible loss. 201 * 202 * The expression 'u8_t << 8' is guaranteed to fit into an 'u16_t', and its 203 * lower 8 bits are guaranteed to be clear. 'u16_t | u8_t' is guaranteed to 204 * fit into 'u16_t'. 205 * 206 * Since tree.c 1.444 from 2022-05-26, lint tracks simple bitwise and 207 * arithmetic constraints across a single expression. 208 */ 209 void 210 be16dec(void) 211 { 212 /* 213 * Before tree.c 1.444 from 2022-05-26, lint complained that the 214 * conversion from 'int' to 'unsigned short' may lose accuracy. 215 */ 216 u16 = (u16_t)u8 << 8 | u8; 217 } 218 219 /* 220 * Since tree.c 1.434 from 2022-04-19, lint infers the possible values of 221 * expressions of the form 'integer & constant', see can_represent. 222 */ 223 void 224 be32enc(void) 225 { 226 u8 = u32 >> 24 & 0xff; 227 u8 = u32 >> 16 & 0xff; 228 u8 = u32 >> 8 & 0xff; 229 u8 = u32 & 0xff; 230 } 231 232 void 233 test_ic_mult(void) 234 { 235 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 236 u8 = u8 * u8; 237 u16 = u8 * u8; 238 /* expect+1: warning: conversion from 'int' to 'unsigned short' may lose accuracy [132] */ 239 u16 = u16 * u8; 240 u32 = u16 * u16; 241 242 u32 = u16 * 65537ULL; 243 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int' may lose accuracy [132] */ 244 u32 = u16 * 65538ULL; 245 246 u16 = 0 * u16; 247 u16 = 1 * u16; 248 /* expect+1: warning: conversion from 'int' to 'unsigned short' may lose accuracy [132] */ 249 u16 = 2 * u16; 250 251 // from __BITS, __SHIFTIN, __SHIFTOUT 252 u32 = (u16 & 1023ULL) / 1ULL * 1024ULL | (u16 & 1023ULL) / 1ULL * 1ULL; 253 254 // FIXME 255 /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */ 256 s8 = 1 * s8; 257 // FIXME 258 /* expect+1: warning: conversion from 'int' to 'short' may lose accuracy [132] */ 259 s16 = 1 * s16; 260 s32 = 1 * s32; 261 s64 = 1 * s64; 262 } 263 264 void 265 test_ic_div(void) 266 { 267 u8 = u8 / u8; 268 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 269 u8 = u16 / u8; 270 u16 = u8 / u8; 271 u16 = u32 / 65536; 272 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 273 u16 = u32 / 65535; 274 275 // FIXME 276 /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */ 277 s8 = s8 / 1; 278 // FIXME 279 /* expect+1: warning: conversion from 'int' to 'short' may lose accuracy [132] */ 280 s16 = s16 / 1; 281 s32 = s32 / 1; 282 s64 = s64 / 1; 283 } 284 285 void 286 test_ic_mod(void) 287 { 288 /* The result is between 0 and 254. */ 289 u8 = u64 % u8; 290 291 /* The result is between 0 and 255. */ 292 u8 = u64 % 256; 293 294 /* The result is between 0 and 256. */ 295 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned char' may lose accuracy [132] */ 296 u8 = u64 % 257; 297 298 /* The result is between 0 and 1000. */ 299 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned char' may lose accuracy [132] */ 300 u8 = u64 % 1000; 301 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int:9' may lose accuracy [132] */ 302 bits.u9 = u64 % 1000; 303 bits.u10 = u64 % 1000; 304 u16 = u64 % 1000; 305 306 s8 = s16 % s8; 307 /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */ 308 s8 = s16 % s16; 309 s8 = s64 % 1; 310 s8 = s64 % (s16 & 1); 311 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 312 s8 = s64 % (s16 & 0); 313 s8 = (s64 & 0x7f) % s64; 314 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 315 s8 = (s64 & 0xff) % s64; 316 } 317 318 void 319 test_ic_plus(void) 320 { 321 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 322 s8 = -129 + s64 % 1; 323 s8 = -128 + s64 % 1; 324 s8 = 127 + s64 % 1; 325 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 326 s8 = 128 + s64 % 1; 327 328 /* expect+2: warning: conversion of negative constant -129 to unsigned type 'unsigned long long' [222] */ 329 /* expect+1: warning: conversion from 'unsigned long long' to 'signed char' may lose accuracy [132] */ 330 s8 = -129 + u64 % 1; 331 /* expect+2: warning: conversion of negative constant -128 to unsigned type 'unsigned long long' [222] */ 332 /* expect+1: warning: conversion from 'unsigned long long' to 'signed char' may lose accuracy [132] */ 333 s8 = -128 + u64 % 1; 334 s8 = 127 + u64 % 1; 335 /* expect+1: warning: conversion from 'unsigned long long' to 'signed char' may lose accuracy [132] */ 336 s8 = 128 + u64 % 1; 337 338 u8 = 0 + u64 % 1; 339 u8 = 255 + u64 % 1; 340 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned char' may lose accuracy [132] */ 341 u8 = 256 + u64 % 1; 342 343 u8 = s8 + 0x80; 344 u16 = s16 + 0x8000; 345 u32 = s32 + 0x80000000; 346 u64 = s64 + 0x8000000000000000; 347 348 // XXX: No warnings since portable_rank_cmp is the same for both sides. 349 bits.u11 = bits.u10 + bits.u10 + 1; 350 bits.u11 = bits.u10 + bits.u10 + 2; 351 bits.u11 = bits.u10 + 1024; 352 bits.u11 = bits.u10 + 1025; 353 354 u8 = bits.u7 + bits.u7 + 1; 355 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 356 u8 = bits.u7 + bits.u7 + 2; 357 u8 = bits.u7 + 128; 358 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 359 u8 = bits.u7 + 129; 360 361 // The result of the second '+' wraps around, thus the warning, 362 // even though the final result fits in a u16. 363 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 364 u16 = u32 % 0x00010000 + 0x80000000 + 0x80000000; 365 366 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 367 u16 = u32 % 0x00010000 + 0xffff8000; 368 /* expect+1: warning: conversion from 'unsigned int' to 'short' may lose accuracy [132] */ 369 s16 = u32 % 0x00010000 + 0xffff8000; 370 371 /* expect+1: warning: conversion from 'long long' to 'unsigned short' may lose accuracy [132] */ 372 u16 = s64 % 0x00010000 + 0xffffffffLL + -0xffffffffLL; 373 /* expect+1: warning: conversion from 'int' to 'unsigned short' may lose accuracy [132] */ 374 u16 = s32 % 0x00010000 + 0x7fff0000 + -0x7fff0000; 375 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 376 u16 = u32 % 0x00010000 + 0xffff0000 + 0x00010000; 377 378 s8 = '0' + s64 % 10; 379 380 ptr = ptr + 3; 381 } 382 383 void 384 test_ic_minus(void) 385 { 386 // Shift the range [0x00 to 0xff] to [-0x80 to 0x7f]. 387 s8 = (s64 & 0xff) - 0x80; 388 389 // Sign-extend the lowest bits. 390 s8 = ((s64 & 0xff) ^ 0x80) - 0x80; 391 s16 = ((s64 & 0xffff) ^ 0x8000) - 0x8000; 392 /* expect+1: warning: extra bits set to 0 in conversion of 'unsigned int' to 'long long', op '&' [309] */ 393 s32 = ((s64 & 0xffffffff) ^ 0x80000000) - 0x80000000; 394 395 // Trying to sign-extend, but with off-by-one errors. 396 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 397 s8 = ((s64 & 0xff) ^ 0x80) - 0x7f; 398 /* expect+1: warning: conversion from 'long long' to 'signed char' may lose accuracy [132] */ 399 s8 = ((s64 & 0xff) ^ 0x80) - 0x81; 400 401 u8 = s8 - -0x80; 402 u16 = s16 - -0x8000; 403 u32 = s32 - -0x80000000; 404 u64 = s64 - -0x8000000000000000; 405 406 ptr = ptr - 3; 407 s64 = ptr + 3 - ptr; 408 /* expect+1: warning: conversion from 'long' to 'unsigned int' may lose accuracy [132] */ 409 u32 = ptr + 3 - ptr; 410 } 411 412 void 413 test_ic_shl(void) 414 { 415 u64 = u64 << u64; 416 s64 = s64 << s64; 417 418 u16 = u8 << 8; 419 /* expect+1: warning: conversion from 'int' to 'unsigned short' may lose accuracy [132] */ 420 u16 = u8 << 9; 421 u32 = u16 << 16; 422 // XXX: missing warning as UINT has the same rank as INT, see portable_rank_cmp. 423 u32 = u16 << 17; 424 /* expect+1: warning: shift amount 56 is greater than bit-size 32 of 'int' [122] */ 425 u64 = u8 << 56; 426 u64 = (u64_t)u8 << 56; 427 // XXX: missing warning, as the operand types of '=' are the same, thus no conversion. 428 u64 = (u64_t)u8 << 57; 429 /* expect+1: warning: shift amount 48 is greater than bit-size 32 of 'int' [122] */ 430 u64 = u16 << 48; 431 u64 = (u64_t)u16 << 48; 432 // XXX: missing warning, as the operand types of '=' are the same, thus no conversion. 433 u64 = (u64_t)u16 << 49; 434 /* expect+1: warning: shift amount 32 equals bit-size of 'unsigned int' [267] */ 435 u64 = u32 << 32; 436 u64 = (u64_t)u32 << 32; 437 // XXX: missing warning, as the operand types of '=' are the same, thus no conversion. 438 u64 = (u64_t)u32 << 33; 439 } 440 441 void 442 test_ic_shr(void) 443 { 444 u64 = u64 >> u64; 445 s64 = s64 >> s64; 446 447 u32 = u64 >> 32; 448 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int' may lose accuracy [132] */ 449 u32 = u64 >> 31; 450 u16 = u64 >> 48; 451 u16 = u32 >> 16; 452 u8 = u64 >> 56; 453 u8 = u32 >> 24; 454 u8 = u16 >> 8; 455 456 /* 457 * No matter whether the big integer is signed or unsigned, the 458 * result of '&' is guaranteed to be an unsigned value. 459 */ 460 u8 = (s64 & 0xf0) >> 4; 461 u8 = (s8 & 0xf0) >> 4; 462 } 463 464 void 465 test_ic_bitand(void) 466 { 467 u8 = u8 & u16; 468 469 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned char' may lose accuracy [132] */ 470 u8 = u16 & u32; 471 } 472 473 void 474 test_ic_bitxor(void) 475 { 476 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 477 u8 = u8 ^ u16; 478 u16 = u8 ^ u16; 479 480 // Sign-extend. 481 s8 = (u8 ^ 0x80) - 0x80; 482 s16 = (u16 ^ 0x8000) - 0x8000; 483 s32 = (u32 ^ 0x80000000) - 0x80000000; 484 s64 = (u64 ^ 0x8000000000000000) - 0x8000000000000000; 485 } 486 487 void 488 test_ic_bitor(void) 489 { 490 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 491 u8 = u8 | u16; 492 u16 = u8 | u16; 493 /* expect+1: warning: conversion from 'unsigned int' to 'unsigned short' may lose accuracy [132] */ 494 u16 = u8 | u32; 495 u32 = u8 | u32; 496 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int' may lose accuracy [132] */ 497 u32 = u8 | u64; 498 u64 = u8 | u64; 499 } 500 501 void 502 test_ic_quest_colon(char c1, char c2) 503 { 504 /* Both operands are representable as char. */ 505 ch = cond ? '?' : ':'; 506 507 /* 508 * Both operands are representable as char. Clang-Tidy 17 wrongly 509 * warns about a narrowing conversion from 'int' to signed type 510 * 'char'. 511 */ 512 ch = cond ? c1 : c2; 513 514 /* 515 * Mixing s8 and u8 results in a number from -128 to 255, which neither 516 * fits in s8 nor u8. 517 */ 518 /* expect+1: warning: conversion from 'int' to 'signed char' may lose accuracy [132] */ 519 s8 = cond ? s8 : u8; 520 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 521 u8 = cond ? s8 : u8; 522 } 523 524 void 525 test_ic_con(void) 526 { 527 /* expect+1: warning: assignment of negative constant -1 to unsigned type 'unsigned char' [164] */ 528 u8 = -1; 529 u8 = 0; 530 u8 = 255; 531 /* expect+1: warning: constant truncated by assignment [165] */ 532 u8 = 256; 533 534 /* expect+1: warning: conversion of 'int' to 'signed char' is out of range [119] */ 535 s8 = -129; 536 s8 = -128; 537 s8 = 127; 538 /* expect+1: warning: conversion of 'int' to 'signed char' is out of range [119] */ 539 s8 = 128; 540 } 541 542 void 543 test_ic_cvt(void) 544 { 545 u16 = (u32 & 0x0000ff00); 546 u16 = (u32_t)(u32 & 0x0000ff00); 547 u16 = (u16_t)u32; 548 u16 = (u8_t)(u32 & 0xffff) << 8; 549 u16 = (int)3.0; 550 551 u8 = (u8_t)(u64 & 0x0f); 552 u8 = (u8_t)(u64 & 0x0f) << 4; 553 /* expect+1: warning: conversion from 'int' to 'unsigned char' may lose accuracy [132] */ 554 u8 = (u8_t)(u64 & 0x0f) << 5; 555 } 556 557 unsigned char 558 test_bit_fields(unsigned long long m) 559 { 560 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned int:3' may lose accuracy [132] */ 561 bits.u3 = bits.u32 & m; 562 563 bits.u5 = bits.u3 & m; 564 bits.u32 = bits.u5 & m; 565 566 /* expect+1: warning: conversion from 'unsigned long long' to 'unsigned char' may lose accuracy [132] */ 567 return bits.u32 & m; 568 } 569 570 void 571 compare_bit_field_to_integer_constant(void) 572 { 573 static _Bool b; 574 static struct { 575 short s16:15; 576 unsigned short u16:15; 577 int s32:15; 578 unsigned u32:15; 579 long long s64:15; 580 unsigned long long u64:15; 581 } s; 582 583 // Since decl.c 1.180 from 2021-05-02 and before tree.c 1.624 from 584 // 2024-03-12, lint warned about a possible loss of accuracy [132] 585 // when promoting an 'unsigned long long' bit-field to 'int'. 586 b = s.s16 == 0; 587 b = s.u16 == 0; 588 b = s.s32 == 0; 589 b = s.u32 == 0; 590 b = s.s64 == 0; 591 b = s.u64 == 0; 592 b = !b; 593 } 594 595 /* 596 * Before tree.c 1.626 from 2024-03-26, the usual arithmetic conversions for 597 * bit-field types with the same base type but different widths simply took 598 * the type of the left operand, leading to wrong warnings about loss of 599 * accuracy when the right operand was wider than the left operand. 600 */ 601 void 602 binary_operators_on_bit_fields(void) 603 { 604 struct { 605 u64_t u15:15; 606 u64_t u48:48; 607 u64_t u64; 608 } s = { 0, 0, 0 }; 609 610 u64 = s.u15 | s.u48; 611 u64 = s.u48 | s.u15; 612 u64 = s.u15 | s.u48 | s.u64; 613 u64 = s.u64 | s.u48 | s.u15; 614 cond = (s.u15 | s.u48 | s.u64) != 0; 615 cond = (s.u64 | s.u48 | s.u15) != 0; 616 617 // Before tree.c from 1.638 from 2024-05-01, lint wrongly warned: 618 // warning: conversion of 'int' to 'int:4' is out of range [119] 619 s32 = 8 - bits.u3; 620 } 621 622 unsigned char 623 combine_arithmetic_and_bit_operations(void) 624 { 625 return 0xc0 | (u32 & 0x07c0) / 64; 626 } 627
Indexes created Thu Oct 02 10:09:58 GMT 2025