1 /* ===-------- intrin.h ---------------------------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24 /* Only include this if we're compiling for the windows platform. */ 25 #ifndef _MSC_VER 26 #include_next <intrin.h> 27 #else 28 29 #ifndef __INTRIN_H 30 #define __INTRIN_H 31 32 /* First include the standard intrinsics. */ 33 #if defined(__i386__) || defined(__x86_64__) 34 #include <x86intrin.h> 35 #endif 36 37 #if defined(__arm__) 38 #include <armintr.h> 39 #endif 40 41 /* For the definition of jmp_buf. */ 42 #if __STDC_HOSTED__ 43 #include <setjmp.h> 44 #endif 45 46 /* Define the default attributes for the functions in this file. */ 47 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__)) 48 49 #ifdef __cplusplus 50 extern "C" { 51 #endif 52 53 #if defined(__MMX__) 54 /* And the random ones that aren't in those files. */ 55 __m64 _m_from_float(float); 56 float _m_to_float(__m64); 57 #endif 58 59 /* Other assorted instruction intrinsics. */ 60 void __addfsbyte(unsigned long, unsigned char); 61 void __addfsdword(unsigned long, unsigned long); 62 void __addfsword(unsigned long, unsigned short); 63 void __code_seg(const char *); 64 static __inline__ 65 void __cpuid(int[4], int); 66 static __inline__ 67 void __cpuidex(int[4], int, int); 68 void __debugbreak(void); 69 static __inline__ 70 __int64 __emul(int, int); 71 static __inline__ 72 unsigned __int64 __emulu(unsigned int, unsigned int); 73 void __cdecl __fastfail(unsigned int); 74 unsigned int __getcallerseflags(void); 75 static __inline__ 76 void __halt(void); 77 unsigned char __inbyte(unsigned short); 78 void __inbytestring(unsigned short, unsigned char *, unsigned long); 79 void __incfsbyte(unsigned long); 80 void __incfsdword(unsigned long); 81 void __incfsword(unsigned long); 82 unsigned long __indword(unsigned short); 83 void __indwordstring(unsigned short, unsigned long *, unsigned long); 84 void __int2c(void); 85 void __invlpg(void *); 86 unsigned short __inword(unsigned short); 87 void __inwordstring(unsigned short, unsigned short *, unsigned long); 88 void __lidt(void *); 89 unsigned __int64 __ll_lshift(unsigned __int64, int); 90 __int64 __ll_rshift(__int64, int); 91 void __llwpcb(void *); 92 unsigned char __lwpins32(unsigned int, unsigned int, unsigned int); 93 void __lwpval32(unsigned int, unsigned int, unsigned int); 94 unsigned int __lzcnt(unsigned int); 95 unsigned short __lzcnt16(unsigned short); 96 static __inline__ 97 void __movsb(unsigned char *, unsigned char const *, size_t); 98 static __inline__ 99 void __movsd(unsigned long *, unsigned long const *, size_t); 100 static __inline__ 101 void __movsw(unsigned short *, unsigned short const *, size_t); 102 static __inline__ 103 void __nop(void); 104 void __nvreg_restore_fence(void); 105 void __nvreg_save_fence(void); 106 void __outbyte(unsigned short, unsigned char); 107 void __outbytestring(unsigned short, unsigned char *, unsigned long); 108 void __outdword(unsigned short, unsigned long); 109 void __outdwordstring(unsigned short, unsigned long *, unsigned long); 110 void __outword(unsigned short, unsigned short); 111 void __outwordstring(unsigned short, unsigned short *, unsigned long); 112 static __inline__ 113 unsigned int __popcnt(unsigned int); 114 static __inline__ 115 unsigned short __popcnt16(unsigned short); 116 unsigned long __readcr0(void); 117 unsigned long __readcr2(void); 118 static __inline__ 119 unsigned long __readcr3(void); 120 unsigned long __readcr4(void); 121 unsigned long __readcr8(void); 122 unsigned int __readdr(unsigned int); 123 #ifdef __i386__ 124 static __inline__ 125 unsigned char __readfsbyte(unsigned long); 126 static __inline__ 127 unsigned long __readfsdword(unsigned long); 128 static __inline__ 129 unsigned __int64 __readfsqword(unsigned long); 130 static __inline__ 131 unsigned short __readfsword(unsigned long); 132 #endif 133 static __inline__ 134 unsigned __int64 __readmsr(unsigned long); 135 unsigned __int64 __readpmc(unsigned long); 136 unsigned long __segmentlimit(unsigned long); 137 void __sidt(void *); 138 void *__slwpcb(void); 139 static __inline__ 140 void __stosb(unsigned char *, unsigned char, size_t); 141 static __inline__ 142 void __stosd(unsigned long *, unsigned long, size_t); 143 static __inline__ 144 void __stosw(unsigned short *, unsigned short, size_t); 145 void __svm_clgi(void); 146 void __svm_invlpga(void *, int); 147 void __svm_skinit(int); 148 void __svm_stgi(void); 149 void __svm_vmload(size_t); 150 void __svm_vmrun(size_t); 151 void __svm_vmsave(size_t); 152 void __ud2(void); 153 unsigned __int64 __ull_rshift(unsigned __int64, int); 154 void __vmx_off(void); 155 void __vmx_vmptrst(unsigned __int64 *); 156 void __wbinvd(void); 157 void __writecr0(unsigned int); 158 static __inline__ 159 void __writecr3(unsigned int); 160 void __writecr4(unsigned int); 161 void __writecr8(unsigned int); 162 void __writedr(unsigned int, unsigned int); 163 void __writefsbyte(unsigned long, unsigned char); 164 void __writefsdword(unsigned long, unsigned long); 165 void __writefsqword(unsigned long, unsigned __int64); 166 void __writefsword(unsigned long, unsigned short); 167 void __writemsr(unsigned long, unsigned __int64); 168 static __inline__ 169 void *_AddressOfReturnAddress(void); 170 static __inline__ 171 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask); 172 static __inline__ 173 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask); 174 static __inline__ 175 unsigned char _bittest(long const *, long); 176 static __inline__ 177 unsigned char _bittestandcomplement(long *, long); 178 static __inline__ 179 unsigned char _bittestandreset(long *, long); 180 static __inline__ 181 unsigned char _bittestandset(long *, long); 182 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64); 183 unsigned long __cdecl _byteswap_ulong(unsigned long); 184 unsigned short __cdecl _byteswap_ushort(unsigned short); 185 void __cdecl _disable(void); 186 void __cdecl _enable(void); 187 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); 188 static __inline__ 189 long _InterlockedAnd(long volatile *_Value, long _Mask); 190 static __inline__ 191 short _InterlockedAnd16(short volatile *_Value, short _Mask); 192 static __inline__ 193 char _InterlockedAnd8(char volatile *_Value, char _Mask); 194 unsigned char _interlockedbittestandreset(long volatile *, long); 195 static __inline__ 196 unsigned char _interlockedbittestandset(long volatile *, long); 197 static __inline__ 198 long __cdecl _InterlockedCompareExchange(long volatile *_Destination, 199 long _Exchange, long _Comparand); 200 long _InterlockedCompareExchange_HLEAcquire(long volatile *, long, long); 201 long _InterlockedCompareExchange_HLERelease(long volatile *, long, long); 202 static __inline__ 203 short _InterlockedCompareExchange16(short volatile *_Destination, 204 short _Exchange, short _Comparand); 205 static __inline__ 206 __int64 _InterlockedCompareExchange64(__int64 volatile *_Destination, 207 __int64 _Exchange, __int64 _Comparand); 208 __int64 _InterlockedcompareExchange64_HLEAcquire(__int64 volatile *, __int64, 209 __int64); 210 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64, 211 __int64); 212 static __inline__ 213 char _InterlockedCompareExchange8(char volatile *_Destination, char _Exchange, 214 char _Comparand); 215 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, 216 void *); 217 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, 218 void *); 219 static __inline__ 220 long __cdecl _InterlockedDecrement(long volatile *_Addend); 221 static __inline__ 222 short _InterlockedDecrement16(short volatile *_Addend); 223 long _InterlockedExchange(long volatile *_Target, long _Value); 224 static __inline__ 225 short _InterlockedExchange16(short volatile *_Target, short _Value); 226 static __inline__ 227 char _InterlockedExchange8(char volatile *_Target, char _Value); 228 static __inline__ 229 long __cdecl _InterlockedExchangeAdd(long volatile *_Addend, long _Value); 230 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); 231 long _InterlockedExchangeAdd_HLERelease(long volatile *, long); 232 static __inline__ 233 short _InterlockedExchangeAdd16(short volatile *_Addend, short _Value); 234 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); 235 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); 236 static __inline__ 237 char _InterlockedExchangeAdd8(char volatile *_Addend, char _Value); 238 static __inline__ 239 long __cdecl _InterlockedIncrement(long volatile *_Addend); 240 static __inline__ 241 short _InterlockedIncrement16(short volatile *_Addend); 242 static __inline__ 243 long _InterlockedOr(long volatile *_Value, long _Mask); 244 static __inline__ 245 short _InterlockedOr16(short volatile *_Value, short _Mask); 246 static __inline__ 247 char _InterlockedOr8(char volatile *_Value, char _Mask); 248 static __inline__ 249 long _InterlockedXor(long volatile *_Value, long _Mask); 250 static __inline__ 251 short _InterlockedXor16(short volatile *_Value, short _Mask); 252 static __inline__ 253 char _InterlockedXor8(char volatile *_Value, char _Mask); 254 void __cdecl _invpcid(unsigned int, void *); 255 static __inline__ 256 unsigned long __cdecl _lrotl(unsigned long, int); 257 static __inline__ 258 unsigned long __cdecl _lrotr(unsigned long, int); 259 static __inline__ void 260 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 261 _ReadBarrier(void); 262 static __inline__ void 263 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 264 _ReadWriteBarrier(void); 265 static __inline__ 266 void *_ReturnAddress(void); 267 unsigned int _rorx_u32(unsigned int, const unsigned int); 268 static __inline__ 269 unsigned int __cdecl _rotl(unsigned int _Value, int _Shift); 270 static __inline__ 271 unsigned short _rotl16(unsigned short _Value, unsigned char _Shift); 272 static __inline__ 273 unsigned __int64 __cdecl _rotl64(unsigned __int64 _Value, int _Shift); 274 static __inline__ 275 unsigned char _rotl8(unsigned char _Value, unsigned char _Shift); 276 static __inline__ 277 unsigned int __cdecl _rotr(unsigned int _Value, int _Shift); 278 static __inline__ 279 unsigned short _rotr16(unsigned short _Value, unsigned char _Shift); 280 static __inline__ 281 unsigned __int64 __cdecl _rotr64(unsigned __int64 _Value, int _Shift); 282 static __inline__ 283 unsigned char _rotr8(unsigned char _Value, unsigned char _Shift); 284 int _sarx_i32(int, unsigned int); 285 #if __STDC_HOSTED__ 286 int __cdecl _setjmp(jmp_buf); 287 #endif 288 unsigned int _shlx_u32(unsigned int, unsigned int); 289 unsigned int _shrx_u32(unsigned int, unsigned int); 290 void _Store_HLERelease(long volatile *, long); 291 void _Store64_HLERelease(__int64 volatile *, __int64); 292 void _StorePointer_HLERelease(void *volatile *, void *); 293 static __inline__ void 294 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 295 _WriteBarrier(void); 296 unsigned __int32 xbegin(void); 297 void _xend(void); 298 static __inline__ 299 #define _XCR_XFEATURE_ENABLED_MASK 0 300 unsigned __int64 __cdecl _xgetbv(unsigned int); 301 void __cdecl _xsetbv(unsigned int, unsigned __int64); 302 303 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ 304 #ifdef __x86_64__ 305 void __addgsbyte(unsigned long, unsigned char); 306 void __addgsdword(unsigned long, unsigned long); 307 void __addgsqword(unsigned long, unsigned __int64); 308 void __addgsword(unsigned long, unsigned short); 309 static __inline__ 310 void __faststorefence(void); 311 void __incgsbyte(unsigned long); 312 void __incgsdword(unsigned long); 313 void __incgsqword(unsigned long); 314 void __incgsword(unsigned long); 315 unsigned char __lwpins64(unsigned __int64, unsigned int, unsigned int); 316 void __lwpval64(unsigned __int64, unsigned int, unsigned int); 317 unsigned __int64 __lzcnt64(unsigned __int64); 318 static __inline__ 319 void __movsq(unsigned long long *, unsigned long long const *, size_t); 320 static __inline__ 321 unsigned __int64 __popcnt64(unsigned __int64); 322 static __inline__ 323 unsigned char __readgsbyte(unsigned long); 324 static __inline__ 325 unsigned long __readgsdword(unsigned long); 326 static __inline__ 327 unsigned __int64 __readgsqword(unsigned long); 328 unsigned short __readgsword(unsigned long); 329 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart, 330 unsigned __int64 _HighPart, 331 unsigned char _Shift); 332 unsigned __int64 __shiftright128(unsigned __int64 _LowPart, 333 unsigned __int64 _HighPart, 334 unsigned char _Shift); 335 static __inline__ 336 void __stosq(unsigned __int64 *, unsigned __int64, size_t); 337 unsigned char __vmx_on(unsigned __int64 *); 338 unsigned char __vmx_vmclear(unsigned __int64 *); 339 unsigned char __vmx_vmlaunch(void); 340 unsigned char __vmx_vmptrld(unsigned __int64 *); 341 unsigned char __vmx_vmread(size_t, size_t *); 342 unsigned char __vmx_vmresume(void); 343 unsigned char __vmx_vmwrite(size_t, size_t); 344 void __writegsbyte(unsigned long, unsigned char); 345 void __writegsdword(unsigned long, unsigned long); 346 void __writegsqword(unsigned long, unsigned __int64); 347 void __writegsword(unsigned long, unsigned short); 348 static __inline__ 349 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask); 350 static __inline__ 351 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask); 352 static __inline__ 353 unsigned char _bittest64(__int64 const *, __int64); 354 static __inline__ 355 unsigned char _bittestandcomplement64(__int64 *, __int64); 356 static __inline__ 357 unsigned char _bittestandreset64(__int64 *, __int64); 358 static __inline__ 359 unsigned char _bittestandset64(__int64 *, __int64); 360 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64); 361 long _InterlockedAnd_np(long volatile *_Value, long _Mask); 362 short _InterlockedAnd16_np(short volatile *_Value, short _Mask); 363 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); 364 char _InterlockedAnd8_np(char volatile *_Value, char _Mask); 365 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); 366 static __inline__ 367 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); 368 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, 369 long _Comparand); 370 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination, 371 __int64 _ExchangeHigh, 372 __int64 _ExchangeLow, 373 __int64 *_CompareandResult); 374 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, 375 __int64 _ExchangeHigh, 376 __int64 _ExchangeLow, 377 __int64 *_ComparandResult); 378 short _InterlockedCompareExchange16_np(short volatile *_Destination, 379 short _Exchange, short _Comparand); 380 __int64 _InterlockedCompareExchange64_HLEAcquire(__int64 volatile *, __int64, 381 __int64); 382 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64, 383 __int64); 384 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, 385 __int64 _Exchange, __int64 _Comparand); 386 void *_InterlockedCompareExchangePointer(void *volatile *_Destination, 387 void *_Exchange, void *_Comparand); 388 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, 389 void *_Exchange, void *_Comparand); 390 void *_InterlockedExchangePointer(void *volatile *_Target, void *_Value); 391 long _InterlockedOr_np(long volatile *_Value, long _Mask); 392 short _InterlockedOr16_np(short volatile *_Value, short _Mask); 393 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); 394 char _InterlockedOr8_np(char volatile *_Value, char _Mask); 395 long _InterlockedXor_np(long volatile *_Value, long _Mask); 396 short _InterlockedXor16_np(short volatile *_Value, short _Mask); 397 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); 398 char _InterlockedXor8_np(char volatile *_Value, char _Mask); 399 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); 400 __int64 _sarx_i64(__int64, unsigned int); 401 #if __STDC_HOSTED__ 402 int __cdecl _setjmpex(jmp_buf); 403 #endif 404 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); 405 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); 406 static __inline__ 407 __int64 __mulh(__int64, __int64); 408 static __inline__ 409 unsigned __int64 __umulh(unsigned __int64, unsigned __int64); 410 static __inline__ 411 __int64 _mul128(__int64, __int64, __int64*); 412 static __inline__ 413 unsigned __int64 _umul128(unsigned __int64, 414 unsigned __int64, 415 unsigned __int64*); 416 417 #endif /* __x86_64__ */ 418 419 #if defined(__x86_64__) || defined(__arm__) 420 421 static __inline__ 422 __int64 _InterlockedDecrement64(__int64 volatile *_Addend); 423 static __inline__ 424 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value); 425 static __inline__ 426 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value); 427 static __inline__ 428 __int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value); 429 static __inline__ 430 __int64 _InterlockedIncrement64(__int64 volatile *_Addend); 431 static __inline__ 432 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask); 433 static __inline__ 434 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask); 435 static __inline__ 436 __int64 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask); 437 438 #endif 439 440 /*----------------------------------------------------------------------------*\ 441 |* Bit Counting and Testing 442 \*----------------------------------------------------------------------------*/ 443 static __inline__ unsigned char __DEFAULT_FN_ATTRS 444 _bittest(long const *_BitBase, long _BitPos) { 445 return (*_BitBase >> _BitPos) & 1; 446 } 447 static __inline__ unsigned char __DEFAULT_FN_ATTRS 448 _bittestandcomplement(long *_BitBase, long _BitPos) { 449 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 450 *_BitBase = *_BitBase ^ (1 << _BitPos); 451 return _Res; 452 } 453 static __inline__ unsigned char __DEFAULT_FN_ATTRS 454 _bittestandreset(long *_BitBase, long _BitPos) { 455 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 456 *_BitBase = *_BitBase & ~(1 << _BitPos); 457 return _Res; 458 } 459 static __inline__ unsigned char __DEFAULT_FN_ATTRS 460 _bittestandset(long *_BitBase, long _BitPos) { 461 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 462 *_BitBase = *_BitBase | (1 << _BitPos); 463 return _Res; 464 } 465 static __inline__ unsigned char __DEFAULT_FN_ATTRS 466 _interlockedbittestandset(long volatile *_BitBase, long _BitPos) { 467 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_SEQ_CST); 468 return (_PrevVal >> _BitPos) & 1; 469 } 470 #if defined(__arm__) || defined(__aarch64__) 471 static __inline__ unsigned char __DEFAULT_FN_ATTRS 472 _interlockedbittestandset_acq(long volatile *_BitBase, long _BitPos) { 473 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_ACQUIRE); 474 return (_PrevVal >> _BitPos) & 1; 475 } 476 static __inline__ unsigned char __DEFAULT_FN_ATTRS 477 _interlockedbittestandset_nf(long volatile *_BitBase, long _BitPos) { 478 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_RELAXED); 479 return (_PrevVal >> _BitPos) & 1; 480 } 481 static __inline__ unsigned char __DEFAULT_FN_ATTRS 482 _interlockedbittestandset_rel(long volatile *_BitBase, long _BitPos) { 483 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_RELEASE); 484 return (_PrevVal >> _BitPos) & 1; 485 } 486 #endif 487 #ifdef __x86_64__ 488 static __inline__ unsigned char __DEFAULT_FN_ATTRS 489 _bittest64(__int64 const *_BitBase, __int64 _BitPos) { 490 return (*_BitBase >> _BitPos) & 1; 491 } 492 static __inline__ unsigned char __DEFAULT_FN_ATTRS 493 _bittestandcomplement64(__int64 *_BitBase, __int64 _BitPos) { 494 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 495 *_BitBase = *_BitBase ^ (1ll << _BitPos); 496 return _Res; 497 } 498 static __inline__ unsigned char __DEFAULT_FN_ATTRS 499 _bittestandreset64(__int64 *_BitBase, __int64 _BitPos) { 500 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 501 *_BitBase = *_BitBase & ~(1ll << _BitPos); 502 return _Res; 503 } 504 static __inline__ unsigned char __DEFAULT_FN_ATTRS 505 _bittestandset64(__int64 *_BitBase, __int64 _BitPos) { 506 unsigned char _Res = (*_BitBase >> _BitPos) & 1; 507 *_BitBase = *_BitBase | (1ll << _BitPos); 508 return _Res; 509 } 510 static __inline__ unsigned char __DEFAULT_FN_ATTRS 511 _interlockedbittestandset64(__int64 volatile *_BitBase, __int64 _BitPos) { 512 long long _PrevVal = 513 __atomic_fetch_or(_BitBase, 1ll << _BitPos, __ATOMIC_SEQ_CST); 514 return (_PrevVal >> _BitPos) & 1; 515 } 516 #endif 517 /*----------------------------------------------------------------------------*\ 518 |* Interlocked Exchange Add 519 \*----------------------------------------------------------------------------*/ 520 #if defined(__arm__) || defined(__aarch64__) 521 static __inline__ char __DEFAULT_FN_ATTRS 522 _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value) { 523 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_ACQUIRE); 524 } 525 static __inline__ char __DEFAULT_FN_ATTRS 526 _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value) { 527 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELAXED); 528 } 529 static __inline__ char __DEFAULT_FN_ATTRS 530 _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value) { 531 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELAXED); 532 } 533 static __inline__ short __DEFAULT_FN_ATTRS 534 _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value) { 535 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_ACQUIRE); 536 } 537 static __inline__ short __DEFAULT_FN_ATTRS 538 _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value) { 539 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELAXED); 540 } 541 static __inline__ short __DEFAULT_FN_ATTRS 542 _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value) { 543 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELEASE); 544 } 545 static __inline__ long __DEFAULT_FN_ATTRS 546 _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value) { 547 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_ACQUIRE); 548 } 549 static __inline__ long __DEFAULT_FN_ATTRS 550 _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value) { 551 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELAXED); 552 } 553 static __inline__ long __DEFAULT_FN_ATTRS 554 _InterlockedExchangeAdd_rel(long volatile *_Addend, long _Value) { 555 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELEASE); 556 } 557 static __inline__ __int64 __DEFAULT_FN_ATTRS 558 _InterlockedExchangeAdd64_acq(__int64 volatile *_Addend, __int64 _Value) { 559 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_ACQUIRE); 560 } 561 static __inline__ __int64 __DEFAULT_FN_ATTRS 562 _InterlockedExchangeAdd64_nf(__int64 volatile *_Addend, __int64 _Value) { 563 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELAXED); 564 } 565 static __inline__ __int64 __DEFAULT_FN_ATTRS 566 _InterlockedExchangeAdd64_rel(__int64 volatile *_Addend, __int64 _Value) { 567 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_RELEASE); 568 } 569 #endif 570 /*----------------------------------------------------------------------------*\ 571 |* Interlocked Increment 572 \*----------------------------------------------------------------------------*/ 573 #if defined(__arm__) || defined(__aarch64__) 574 static __inline__ short __DEFAULT_FN_ATTRS 575 _InterlockedIncrement16_acq(short volatile *_Value) { 576 return __atomic_add_fetch(_Value, 1, __ATOMIC_ACQUIRE); 577 } 578 static __inline__ short __DEFAULT_FN_ATTRS 579 _InterlockedIncrement16_nf(short volatile *_Value) { 580 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELAXED); 581 } 582 static __inline__ short __DEFAULT_FN_ATTRS 583 _InterlockedIncrement16_rel(short volatile *_Value) { 584 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELEASE); 585 } 586 static __inline__ long __DEFAULT_FN_ATTRS 587 _InterlockedIncrement_acq(long volatile *_Value) { 588 return __atomic_add_fetch(_Value, 1, __ATOMIC_ACQUIRE); 589 } 590 static __inline__ long __DEFAULT_FN_ATTRS 591 _InterlockedIncrement_nf(long volatile *_Value) { 592 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELAXED); 593 } 594 static __inline__ long __DEFAULT_FN_ATTRS 595 _InterlockedIncrement_rel(long volatile *_Value) { 596 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELEASE); 597 } 598 static __inline__ __int64 __DEFAULT_FN_ATTRS 599 _InterlockedIncrement64_acq(__int64 volatile *_Value) { 600 return __atomic_add_fetch(_Value, 1, __ATOMIC_ACQUIRE); 601 } 602 static __inline__ __int64 __DEFAULT_FN_ATTRS 603 _InterlockedIncrement64_nf(__int64 volatile *_Value) { 604 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELAXED); 605 } 606 static __inline__ __int64 __DEFAULT_FN_ATTRS 607 _InterlockedIncrement64_rel(__int64 volatile *_Value) { 608 return __atomic_add_fetch(_Value, 1, __ATOMIC_RELEASE); 609 } 610 #endif 611 /*----------------------------------------------------------------------------*\ 612 |* Interlocked Decrement 613 \*----------------------------------------------------------------------------*/ 614 #if defined(__arm__) || defined(__aarch64__) 615 static __inline__ short __DEFAULT_FN_ATTRS 616 _InterlockedDecrement16_acq(short volatile *_Value) { 617 return __atomic_sub_fetch(_Value, 1, __ATOMIC_ACQUIRE); 618 } 619 static __inline__ short __DEFAULT_FN_ATTRS 620 _InterlockedDecrement16_nf(short volatile *_Value) { 621 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELAXED); 622 } 623 static __inline__ short __DEFAULT_FN_ATTRS 624 _InterlockedDecrement16_rel(short volatile *_Value) { 625 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELEASE); 626 } 627 static __inline__ long __DEFAULT_FN_ATTRS 628 _InterlockedDecrement_acq(long volatile *_Value) { 629 return __atomic_sub_fetch(_Value, 1, __ATOMIC_ACQUIRE); 630 } 631 static __inline__ long __DEFAULT_FN_ATTRS 632 _InterlockedDecrement_nf(long volatile *_Value) { 633 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELAXED); 634 } 635 static __inline__ long __DEFAULT_FN_ATTRS 636 _InterlockedDecrement_rel(long volatile *_Value) { 637 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELEASE); 638 } 639 static __inline__ __int64 __DEFAULT_FN_ATTRS 640 _InterlockedDecrement64_acq(__int64 volatile *_Value) { 641 return __atomic_sub_fetch(_Value, 1, __ATOMIC_ACQUIRE); 642 } 643 static __inline__ __int64 __DEFAULT_FN_ATTRS 644 _InterlockedDecrement64_nf(__int64 volatile *_Value) { 645 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELAXED); 646 } 647 static __inline__ __int64 __DEFAULT_FN_ATTRS 648 _InterlockedDecrement64_rel(__int64 volatile *_Value) { 649 return __atomic_sub_fetch(_Value, 1, __ATOMIC_RELEASE); 650 } 651 #endif 652 /*----------------------------------------------------------------------------*\ 653 |* Interlocked And 654 \*----------------------------------------------------------------------------*/ 655 #if defined(__arm__) || defined(__aarch64__) 656 static __inline__ char __DEFAULT_FN_ATTRS 657 _InterlockedAnd8_acq(char volatile *_Value, char _Mask) { 658 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_ACQUIRE); 659 } 660 static __inline__ char __DEFAULT_FN_ATTRS 661 _InterlockedAnd8_nf(char volatile *_Value, char _Mask) { 662 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELAXED); 663 } 664 static __inline__ char __DEFAULT_FN_ATTRS 665 _InterlockedAnd8_rel(char volatile *_Value, char _Mask) { 666 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELEASE); 667 } 668 static __inline__ short __DEFAULT_FN_ATTRS 669 _InterlockedAnd16_acq(short volatile *_Value, short _Mask) { 670 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_ACQUIRE); 671 } 672 static __inline__ short __DEFAULT_FN_ATTRS 673 _InterlockedAnd16_nf(short volatile *_Value, short _Mask) { 674 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELAXED); 675 } 676 static __inline__ short __DEFAULT_FN_ATTRS 677 _InterlockedAnd16_rel(short volatile *_Value, short _Mask) { 678 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELEASE); 679 } 680 static __inline__ long __DEFAULT_FN_ATTRS 681 _InterlockedAnd_acq(long volatile *_Value, long _Mask) { 682 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_ACQUIRE); 683 } 684 static __inline__ long __DEFAULT_FN_ATTRS 685 _InterlockedAnd_nf(long volatile *_Value, long _Mask) { 686 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELAXED); 687 } 688 static __inline__ long __DEFAULT_FN_ATTRS 689 _InterlockedAnd_rel(long volatile *_Value, long _Mask) { 690 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELEASE); 691 } 692 static __inline__ __int64 __DEFAULT_FN_ATTRS 693 _InterlockedAnd64_acq(__int64 volatile *_Value, __int64 _Mask) { 694 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_ACQUIRE); 695 } 696 static __inline__ __int64 __DEFAULT_FN_ATTRS 697 _InterlockedAnd64_nf(__int64 volatile *_Value, __int64 _Mask) { 698 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELAXED); 699 } 700 static __inline__ __int64 __DEFAULT_FN_ATTRS 701 _InterlockedAnd64_rel(__int64 volatile *_Value, __int64 _Mask) { 702 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_RELEASE); 703 } 704 #endif 705 /*----------------------------------------------------------------------------*\ 706 |* Interlocked Or 707 \*----------------------------------------------------------------------------*/ 708 #if defined(__arm__) || defined(__aarch64__) 709 static __inline__ char __DEFAULT_FN_ATTRS 710 _InterlockedOr8_acq(char volatile *_Value, char _Mask) { 711 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_ACQUIRE); 712 } 713 static __inline__ char __DEFAULT_FN_ATTRS 714 _InterlockedOr8_nf(char volatile *_Value, char _Mask) { 715 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELAXED); 716 } 717 static __inline__ char __DEFAULT_FN_ATTRS 718 _InterlockedOr8_rel(char volatile *_Value, char _Mask) { 719 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELEASE); 720 } 721 static __inline__ short __DEFAULT_FN_ATTRS 722 _InterlockedOr16_acq(short volatile *_Value, short _Mask) { 723 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_ACQUIRE); 724 } 725 static __inline__ short __DEFAULT_FN_ATTRS 726 _InterlockedOr16_nf(short volatile *_Value, short _Mask) { 727 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELAXED); 728 } 729 static __inline__ short __DEFAULT_FN_ATTRS 730 _InterlockedOr16_rel(short volatile *_Value, short _Mask) { 731 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELEASE); 732 } 733 static __inline__ long __DEFAULT_FN_ATTRS 734 _InterlockedOr_acq(long volatile *_Value, long _Mask) { 735 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_ACQUIRE); 736 } 737 static __inline__ long __DEFAULT_FN_ATTRS 738 _InterlockedOr_nf(long volatile *_Value, long _Mask) { 739 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELAXED); 740 } 741 static __inline__ long __DEFAULT_FN_ATTRS 742 _InterlockedOr_rel(long volatile *_Value, long _Mask) { 743 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELEASE); 744 } 745 static __inline__ __int64 __DEFAULT_FN_ATTRS 746 _InterlockedOr64_acq(__int64 volatile *_Value, __int64 _Mask) { 747 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_ACQUIRE); 748 } 749 static __inline__ __int64 __DEFAULT_FN_ATTRS 750 _InterlockedOr64_nf(__int64 volatile *_Value, __int64 _Mask) { 751 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELAXED); 752 } 753 static __inline__ __int64 __DEFAULT_FN_ATTRS 754 _InterlockedOr64_rel(__int64 volatile *_Value, __int64 _Mask) { 755 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_RELEASE); 756 } 757 #endif 758 /*----------------------------------------------------------------------------*\ 759 |* Interlocked Xor 760 \*----------------------------------------------------------------------------*/ 761 #if defined(__arm__) || defined(__aarch64__) 762 static __inline__ char __DEFAULT_FN_ATTRS 763 _InterlockedXor8_acq(char volatile *_Value, char _Mask) { 764 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_ACQUIRE); 765 } 766 static __inline__ char __DEFAULT_FN_ATTRS 767 _InterlockedXor8_nf(char volatile *_Value, char _Mask) { 768 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELAXED); 769 } 770 static __inline__ char __DEFAULT_FN_ATTRS 771 _InterlockedXor8_rel(char volatile *_Value, char _Mask) { 772 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELEASE); 773 } 774 static __inline__ short __DEFAULT_FN_ATTRS 775 _InterlockedXor16_acq(short volatile *_Value, short _Mask) { 776 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_ACQUIRE); 777 } 778 static __inline__ short __DEFAULT_FN_ATTRS 779 _InterlockedXor16_nf(short volatile *_Value, short _Mask) { 780 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELAXED); 781 } 782 static __inline__ short __DEFAULT_FN_ATTRS 783 _InterlockedXor16_rel(short volatile *_Value, short _Mask) { 784 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELEASE); 785 } 786 static __inline__ long __DEFAULT_FN_ATTRS 787 _InterlockedXor_acq(long volatile *_Value, long _Mask) { 788 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_ACQUIRE); 789 } 790 static __inline__ long __DEFAULT_FN_ATTRS 791 _InterlockedXor_nf(long volatile *_Value, long _Mask) { 792 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELAXED); 793 } 794 static __inline__ long __DEFAULT_FN_ATTRS 795 _InterlockedXor_rel(long volatile *_Value, long _Mask) { 796 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELEASE); 797 } 798 static __inline__ __int64 __DEFAULT_FN_ATTRS 799 _InterlockedXor64_acq(__int64 volatile *_Value, __int64 _Mask) { 800 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_ACQUIRE); 801 } 802 static __inline__ __int64 __DEFAULT_FN_ATTRS 803 _InterlockedXor64_nf(__int64 volatile *_Value, __int64 _Mask) { 804 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELAXED); 805 } 806 static __inline__ __int64 __DEFAULT_FN_ATTRS 807 _InterlockedXor64_rel(__int64 volatile *_Value, __int64 _Mask) { 808 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_RELEASE); 809 } 810 #endif 811 /*----------------------------------------------------------------------------*\ 812 |* Interlocked Exchange 813 \*----------------------------------------------------------------------------*/ 814 #if defined(__arm__) || defined(__aarch64__) 815 static __inline__ char __DEFAULT_FN_ATTRS 816 _InterlockedExchange8_acq(char volatile *_Target, char _Value) { 817 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_ACQUIRE); 818 return _Value; 819 } 820 static __inline__ char __DEFAULT_FN_ATTRS 821 _InterlockedExchange8_nf(char volatile *_Target, char _Value) { 822 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELAXED); 823 return _Value; 824 } 825 static __inline__ char __DEFAULT_FN_ATTRS 826 _InterlockedExchange8_rel(char volatile *_Target, char _Value) { 827 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELEASE); 828 return _Value; 829 } 830 static __inline__ short __DEFAULT_FN_ATTRS 831 _InterlockedExchange16_acq(short volatile *_Target, short _Value) { 832 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_ACQUIRE); 833 return _Value; 834 } 835 static __inline__ short __DEFAULT_FN_ATTRS 836 _InterlockedExchange16_nf(short volatile *_Target, short _Value) { 837 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELAXED); 838 return _Value; 839 } 840 static __inline__ short __DEFAULT_FN_ATTRS 841 _InterlockedExchange16_rel(short volatile *_Target, short _Value) { 842 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELEASE); 843 return _Value; 844 } 845 static __inline__ long __DEFAULT_FN_ATTRS 846 _InterlockedExchange_acq(long volatile *_Target, long _Value) { 847 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_ACQUIRE); 848 return _Value; 849 } 850 static __inline__ long __DEFAULT_FN_ATTRS 851 _InterlockedExchange_nf(long volatile *_Target, long _Value) { 852 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELAXED); 853 return _Value; 854 } 855 static __inline__ long __DEFAULT_FN_ATTRS 856 _InterlockedExchange_rel(long volatile *_Target, long _Value) { 857 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELEASE); 858 return _Value; 859 } 860 static __inline__ __int64 __DEFAULT_FN_ATTRS 861 _InterlockedExchange64_acq(__int64 volatile *_Target, __int64 _Value) { 862 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_ACQUIRE); 863 return _Value; 864 } 865 static __inline__ __int64 __DEFAULT_FN_ATTRS 866 _InterlockedExchange64_nf(__int64 volatile *_Target, __int64 _Value) { 867 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELAXED); 868 return _Value; 869 } 870 static __inline__ __int64 __DEFAULT_FN_ATTRS 871 _InterlockedExchange64_rel(__int64 volatile *_Target, __int64 _Value) { 872 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_RELEASE); 873 return _Value; 874 } 875 #endif 876 /*----------------------------------------------------------------------------*\ 877 |* Interlocked Compare Exchange 878 \*----------------------------------------------------------------------------*/ 879 #if defined(__arm__) || defined(__aarch64__) 880 static __inline__ char __DEFAULT_FN_ATTRS 881 _InterlockedCompareExchange8_acq(char volatile *_Destination, 882 char _Exchange, char _Comparand) { 883 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 884 __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE); 885 return _Comparand; 886 } 887 static __inline__ char __DEFAULT_FN_ATTRS 888 _InterlockedCompareExchange8_nf(char volatile *_Destination, 889 char _Exchange, char _Comparand) { 890 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 891 __ATOMIC_SEQ_CST, __ATOMIC_RELAXED); 892 return _Comparand; 893 } 894 static __inline__ char __DEFAULT_FN_ATTRS 895 _InterlockedCompareExchange8_rel(char volatile *_Destination, 896 char _Exchange, char _Comparand) { 897 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 898 __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); 899 return _Comparand; 900 } 901 static __inline__ short __DEFAULT_FN_ATTRS 902 _InterlockedCompareExchange16_acq(short volatile *_Destination, 903 short _Exchange, short _Comparand) { 904 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 905 __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE); 906 return _Comparand; 907 } 908 static __inline__ short __DEFAULT_FN_ATTRS 909 _InterlockedCompareExchange16_nf(short volatile *_Destination, 910 short _Exchange, short _Comparand) { 911 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 912 __ATOMIC_SEQ_CST, __ATOMIC_RELAXED); 913 return _Comparand; 914 } 915 static __inline__ short __DEFAULT_FN_ATTRS 916 _InterlockedCompareExchange16_rel(short volatile *_Destination, 917 short _Exchange, short _Comparand) { 918 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 919 __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); 920 return _Comparand; 921 } 922 static __inline__ long __DEFAULT_FN_ATTRS 923 _InterlockedCompareExchange_acq(long volatile *_Destination, 924 long _Exchange, long _Comparand) { 925 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 926 __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE); 927 return _Comparand; 928 } 929 static __inline__ long __DEFAULT_FN_ATTRS 930 _InterlockedCompareExchange_nf(long volatile *_Destination, 931 long _Exchange, long _Comparand) { 932 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 933 __ATOMIC_SEQ_CST, __ATOMIC_RELAXED); 934 return _Comparand; 935 } 936 static __inline__ short __DEFAULT_FN_ATTRS 937 _InterlockedCompareExchange_rel(long volatile *_Destination, 938 long _Exchange, long _Comparand) { 939 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 940 __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); 941 return _Comparand; 942 } 943 static __inline__ __int64 __DEFAULT_FN_ATTRS 944 _InterlockedCompareExchange64_acq(__int64 volatile *_Destination, 945 __int64 _Exchange, __int64 _Comparand) { 946 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 947 __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE); 948 return _Comparand; 949 } 950 static __inline__ __int64 __DEFAULT_FN_ATTRS 951 _InterlockedCompareExchange64_nf(__int64 volatile *_Destination, 952 __int64 _Exchange, __int64 _Comparand) { 953 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 954 __ATOMIC_SEQ_CST, __ATOMIC_RELAXED); 955 return _Comparand; 956 } 957 static __inline__ __int64 __DEFAULT_FN_ATTRS 958 _InterlockedCompareExchange64_rel(__int64 volatile *_Destination, 959 __int64 _Exchange, __int64 _Comparand) { 960 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 961 __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); 962 return _Comparand; 963 } 964 #endif 965 /*----------------------------------------------------------------------------*\ 966 |* readfs, readgs 967 |* (Pointers in address space #256 and #257 are relative to the GS and FS 968 |* segment registers, respectively.) 969 \*----------------------------------------------------------------------------*/ 970 #define __ptr_to_addr_space(__addr_space_nbr, __type, __offset) \ 971 ((volatile __type __attribute__((__address_space__(__addr_space_nbr)))*) \ 972 (__offset)) 973 974 #ifdef __i386__ 975 static __inline__ unsigned char __DEFAULT_FN_ATTRS 976 __readfsbyte(unsigned long __offset) { 977 return *__ptr_to_addr_space(257, unsigned char, __offset); 978 } 979 static __inline__ unsigned short __DEFAULT_FN_ATTRS 980 __readfsword(unsigned long __offset) { 981 return *__ptr_to_addr_space(257, unsigned short, __offset); 982 } 983 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 984 __readfsqword(unsigned long __offset) { 985 return *__ptr_to_addr_space(257, unsigned __int64, __offset); 986 } 987 #endif 988 #ifdef __x86_64__ 989 static __inline__ unsigned char __DEFAULT_FN_ATTRS 990 __readgsbyte(unsigned long __offset) { 991 return *__ptr_to_addr_space(256, unsigned char, __offset); 992 } 993 static __inline__ unsigned short __DEFAULT_FN_ATTRS 994 __readgsword(unsigned long __offset) { 995 return *__ptr_to_addr_space(256, unsigned short, __offset); 996 } 997 static __inline__ unsigned long __DEFAULT_FN_ATTRS 998 __readgsdword(unsigned long __offset) { 999 return *__ptr_to_addr_space(256, unsigned long, __offset); 1000 } 1001 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 1002 __readgsqword(unsigned long __offset) { 1003 return *__ptr_to_addr_space(256, unsigned __int64, __offset); 1004 } 1005 #endif 1006 #undef __ptr_to_addr_space 1007 /*----------------------------------------------------------------------------*\ 1008 |* movs, stos 1009 \*----------------------------------------------------------------------------*/ 1010 #if defined(__i386__) || defined(__x86_64__) 1011 static __inline__ void __DEFAULT_FN_ATTRS 1012 __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) { 1013 __asm__("rep movsb" : : "D"(__dst), "S"(__src), "c"(__n) 1014 : "%edi", "%esi", "%ecx"); 1015 } 1016 static __inline__ void __DEFAULT_FN_ATTRS 1017 __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) { 1018 __asm__("rep movsl" : : "D"(__dst), "S"(__src), "c"(__n) 1019 : "%edi", "%esi", "%ecx"); 1020 } 1021 static __inline__ void __DEFAULT_FN_ATTRS 1022 __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) { 1023 __asm__("rep movsw" : : "D"(__dst), "S"(__src), "c"(__n) 1024 : "%edi", "%esi", "%ecx"); 1025 } 1026 static __inline__ void __DEFAULT_FN_ATTRS 1027 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) { 1028 __asm__("rep stosl" : : "D"(__dst), "a"(__x), "c"(__n) 1029 : "%edi", "%ecx"); 1030 } 1031 static __inline__ void __DEFAULT_FN_ATTRS 1032 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) { 1033 __asm__("rep stosw" : : "D"(__dst), "a"(__x), "c"(__n) 1034 : "%edi", "%ecx"); 1035 } 1036 #endif 1037 #ifdef __x86_64__ 1038 static __inline__ void __DEFAULT_FN_ATTRS 1039 __movsq(unsigned long long *__dst, unsigned long long const *__src, size_t __n) { 1040 __asm__("rep movsq" : : "D"(__dst), "S"(__src), "c"(__n) 1041 : "%edi", "%esi", "%ecx"); 1042 } 1043 static __inline__ void __DEFAULT_FN_ATTRS 1044 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) { 1045 __asm__("rep stosq" : : "D"(__dst), "a"(__x), "c"(__n) 1046 : "%edi", "%ecx"); 1047 } 1048 #endif 1049 1050 /*----------------------------------------------------------------------------*\ 1051 |* Misc 1052 \*----------------------------------------------------------------------------*/ 1053 #if defined(__i386__) || defined(__x86_64__) 1054 static __inline__ void __DEFAULT_FN_ATTRS 1055 __cpuid(int __info[4], int __level) { 1056 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 1057 : "a"(__level)); 1058 } 1059 static __inline__ void __DEFAULT_FN_ATTRS 1060 __cpuidex(int __info[4], int __level, int __ecx) { 1061 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 1062 : "a"(__level), "c"(__ecx)); 1063 } 1064 static __inline__ unsigned __int64 __cdecl __DEFAULT_FN_ATTRS 1065 _xgetbv(unsigned int __xcr_no) { 1066 unsigned int __eax, __edx; 1067 __asm__ ("xgetbv" : "=a" (__eax), "=d" (__edx) : "c" (__xcr_no)); 1068 return ((unsigned __int64)__edx << 32) | __eax; 1069 } 1070 static __inline__ void __DEFAULT_FN_ATTRS 1071 __halt(void) { 1072 __asm__ volatile ("hlt"); 1073 } 1074 static __inline__ void __DEFAULT_FN_ATTRS 1075 __nop(void) { 1076 __asm__ volatile ("nop"); 1077 } 1078 #endif 1079 1080 /*----------------------------------------------------------------------------*\ 1081 |* Privileged intrinsics 1082 \*----------------------------------------------------------------------------*/ 1083 #if defined(__i386__) || defined(__x86_64__) 1084 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 1085 __readmsr(unsigned long __register) { 1086 // Loads the contents of a 64-bit model specific register (MSR) specified in 1087 // the ECX register into registers EDX:EAX. The EDX register is loaded with 1088 // the high-order 32 bits of the MSR and the EAX register is loaded with the 1089 // low-order 32 bits. If less than 64 bits are implemented in the MSR being 1090 // read, the values returned to EDX:EAX in unimplemented bit locations are 1091 // undefined. 1092 unsigned long __edx; 1093 unsigned long __eax; 1094 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register)); 1095 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax; 1096 } 1097 1098 static __inline__ unsigned long __DEFAULT_FN_ATTRS 1099 __readcr3(void) { 1100 unsigned long __cr3_val; 1101 __asm__ __volatile__ ("mov %%cr3, %0" : "=q"(__cr3_val) : : "memory"); 1102 return __cr3_val; 1103 } 1104 1105 static __inline__ void __DEFAULT_FN_ATTRS 1106 __writecr3(unsigned int __cr3_val) { 1107 __asm__ ("mov %0, %%cr3" : : "q"(__cr3_val) : "memory"); 1108 } 1109 #endif 1110 1111 #ifdef __cplusplus 1112 } 1113 #endif 1114 1115 #undef __DEFAULT_FN_ATTRS 1116 1117 #endif /* __INTRIN_H */ 1118 #endif /* _MSC_VER */ 1119
