1 /* ===-------- intrin.h ---------------------------------------------------=== 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 10 /* Only include this if we're compiling for the windows platform. */ 11 #ifndef _MSC_VER 12 #include_next <intrin.h> 13 #else 14 15 #ifndef __INTRIN_H 16 #define __INTRIN_H 17 18 /* First include the standard intrinsics. */ 19 #if defined(__i386__) || defined(__x86_64__) 20 #include <x86intrin.h> 21 #endif 22 23 #if defined(__arm__) 24 #include <armintr.h> 25 #endif 26 27 #if defined(__aarch64__) 28 #include <arm64intr.h> 29 #endif 30 31 /* For the definition of jmp_buf. */ 32 #if __STDC_HOSTED__ 33 #include <setjmp.h> 34 #endif 35 36 /* Define the default attributes for the functions in this file. */ 37 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__)) 38 39 #if __x86_64__ 40 #define __LPTRINT_TYPE__ __int64 41 #else 42 #define __LPTRINT_TYPE__ long 43 #endif 44 45 #ifdef __cplusplus 46 extern "C" { 47 #endif 48 49 #if defined(__MMX__) 50 /* And the random ones that aren't in those files. */ 51 __m64 _m_from_float(float); 52 float _m_to_float(__m64); 53 #endif 54 55 /* Other assorted instruction intrinsics. */ 56 void __addfsbyte(unsigned long, unsigned char); 57 void __addfsdword(unsigned long, unsigned long); 58 void __addfsword(unsigned long, unsigned short); 59 void __code_seg(const char *); 60 static __inline__ 61 void __cpuid(int[4], int); 62 static __inline__ 63 void __cpuidex(int[4], int, int); 64 static __inline__ 65 __int64 __emul(int, int); 66 static __inline__ 67 unsigned __int64 __emulu(unsigned int, unsigned int); 68 unsigned int __getcallerseflags(void); 69 static __inline__ 70 void __halt(void); 71 unsigned char __inbyte(unsigned short); 72 void __inbytestring(unsigned short, unsigned char *, unsigned long); 73 void __incfsbyte(unsigned long); 74 void __incfsdword(unsigned long); 75 void __incfsword(unsigned long); 76 unsigned long __indword(unsigned short); 77 void __indwordstring(unsigned short, unsigned long *, unsigned long); 78 void __int2c(void); 79 void __invlpg(void *); 80 unsigned short __inword(unsigned short); 81 void __inwordstring(unsigned short, unsigned short *, unsigned long); 82 void __lidt(void *); 83 unsigned __int64 __ll_lshift(unsigned __int64, int); 84 __int64 __ll_rshift(__int64, int); 85 static __inline__ 86 void __movsb(unsigned char *, unsigned char const *, size_t); 87 static __inline__ 88 void __movsd(unsigned long *, unsigned long const *, size_t); 89 static __inline__ 90 void __movsw(unsigned short *, unsigned short const *, size_t); 91 static __inline__ 92 void __nop(void); 93 void __nvreg_restore_fence(void); 94 void __nvreg_save_fence(void); 95 void __outbyte(unsigned short, unsigned char); 96 void __outbytestring(unsigned short, unsigned char *, unsigned long); 97 void __outdword(unsigned short, unsigned long); 98 void __outdwordstring(unsigned short, unsigned long *, unsigned long); 99 void __outword(unsigned short, unsigned short); 100 void __outwordstring(unsigned short, unsigned short *, unsigned long); 101 unsigned long __readcr0(void); 102 unsigned long __readcr2(void); 103 unsigned __LPTRINT_TYPE__ __readcr3(void); 104 unsigned long __readcr4(void); 105 unsigned long __readcr8(void); 106 unsigned int __readdr(unsigned int); 107 #ifdef __i386__ 108 static __inline__ 109 unsigned char __readfsbyte(unsigned long); 110 static __inline__ 111 unsigned __int64 __readfsqword(unsigned long); 112 static __inline__ 113 unsigned short __readfsword(unsigned long); 114 #endif 115 static __inline__ 116 unsigned __int64 __readmsr(unsigned long); 117 unsigned __int64 __readpmc(unsigned long); 118 unsigned long __segmentlimit(unsigned long); 119 void __sidt(void *); 120 static __inline__ 121 void __stosb(unsigned char *, unsigned char, size_t); 122 static __inline__ 123 void __stosd(unsigned long *, unsigned long, size_t); 124 static __inline__ 125 void __stosw(unsigned short *, unsigned short, size_t); 126 void __svm_clgi(void); 127 void __svm_invlpga(void *, int); 128 void __svm_skinit(int); 129 void __svm_stgi(void); 130 void __svm_vmload(size_t); 131 void __svm_vmrun(size_t); 132 void __svm_vmsave(size_t); 133 void __ud2(void); 134 unsigned __int64 __ull_rshift(unsigned __int64, int); 135 void __vmx_off(void); 136 void __vmx_vmptrst(unsigned __int64 *); 137 void __wbinvd(void); 138 void __writecr0(unsigned int); 139 static __inline__ 140 void __writecr3(unsigned __INTPTR_TYPE__); 141 void __writecr4(unsigned int); 142 void __writecr8(unsigned int); 143 void __writedr(unsigned int, unsigned int); 144 void __writefsbyte(unsigned long, unsigned char); 145 void __writefsdword(unsigned long, unsigned long); 146 void __writefsqword(unsigned long, unsigned __int64); 147 void __writefsword(unsigned long, unsigned short); 148 void __writemsr(unsigned long, unsigned __int64); 149 static __inline__ 150 void *_AddressOfReturnAddress(void); 151 static __inline__ 152 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask); 153 static __inline__ 154 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask); 155 unsigned char _bittest(long const *, long); 156 unsigned char _bittestandcomplement(long *, long); 157 unsigned char _bittestandreset(long *, long); 158 unsigned char _bittestandset(long *, long); 159 void __cdecl _disable(void); 160 void __cdecl _enable(void); 161 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); 162 unsigned char _interlockedbittestandreset(long volatile *, long); 163 unsigned char _interlockedbittestandset(long volatile *, long); 164 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, 165 void *); 166 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, 167 void *); 168 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); 169 long _InterlockedExchangeAdd_HLERelease(long volatile *, long); 170 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); 171 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); 172 static __inline__ void 173 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 174 _ReadBarrier(void); 175 static __inline__ void 176 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 177 _ReadWriteBarrier(void); 178 unsigned int _rorx_u32(unsigned int, const unsigned int); 179 int _sarx_i32(int, unsigned int); 180 #if __STDC_HOSTED__ 181 int __cdecl _setjmp(jmp_buf); 182 #endif 183 unsigned int _shlx_u32(unsigned int, unsigned int); 184 unsigned int _shrx_u32(unsigned int, unsigned int); 185 void _Store_HLERelease(long volatile *, long); 186 void _Store64_HLERelease(__int64 volatile *, __int64); 187 void _StorePointer_HLERelease(void *volatile *, void *); 188 static __inline__ void 189 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 190 _WriteBarrier(void); 191 unsigned __int32 xbegin(void); 192 void _xend(void); 193 194 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ 195 #ifdef __x86_64__ 196 void __addgsbyte(unsigned long, unsigned char); 197 void __addgsdword(unsigned long, unsigned long); 198 void __addgsqword(unsigned long, unsigned __int64); 199 void __addgsword(unsigned long, unsigned short); 200 static __inline__ 201 void __faststorefence(void); 202 void __incgsbyte(unsigned long); 203 void __incgsdword(unsigned long); 204 void __incgsqword(unsigned long); 205 void __incgsword(unsigned long); 206 static __inline__ 207 void __movsq(unsigned long long *, unsigned long long const *, size_t); 208 static __inline__ 209 unsigned char __readgsbyte(unsigned long); 210 static __inline__ 211 unsigned long __readgsdword(unsigned long); 212 static __inline__ 213 unsigned __int64 __readgsqword(unsigned long); 214 unsigned short __readgsword(unsigned long); 215 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart, 216 unsigned __int64 _HighPart, 217 unsigned char _Shift); 218 unsigned __int64 __shiftright128(unsigned __int64 _LowPart, 219 unsigned __int64 _HighPart, 220 unsigned char _Shift); 221 static __inline__ 222 void __stosq(unsigned __int64 *, unsigned __int64, size_t); 223 unsigned char __vmx_on(unsigned __int64 *); 224 unsigned char __vmx_vmclear(unsigned __int64 *); 225 unsigned char __vmx_vmlaunch(void); 226 unsigned char __vmx_vmptrld(unsigned __int64 *); 227 unsigned char __vmx_vmread(size_t, size_t *); 228 unsigned char __vmx_vmresume(void); 229 unsigned char __vmx_vmwrite(size_t, size_t); 230 void __writegsbyte(unsigned long, unsigned char); 231 void __writegsdword(unsigned long, unsigned long); 232 void __writegsqword(unsigned long, unsigned __int64); 233 void __writegsword(unsigned long, unsigned short); 234 unsigned char _bittest64(__int64 const *, __int64); 235 unsigned char _bittestandcomplement64(__int64 *, __int64); 236 unsigned char _bittestandreset64(__int64 *, __int64); 237 unsigned char _bittestandset64(__int64 *, __int64); 238 long _InterlockedAnd_np(long volatile *_Value, long _Mask); 239 short _InterlockedAnd16_np(short volatile *_Value, short _Mask); 240 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); 241 char _InterlockedAnd8_np(char volatile *_Value, char _Mask); 242 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); 243 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); 244 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, 245 long _Comparand); 246 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination, 247 __int64 _ExchangeHigh, 248 __int64 _ExchangeLow, 249 __int64 *_CompareandResult); 250 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, 251 __int64 _ExchangeHigh, 252 __int64 _ExchangeLow, 253 __int64 *_ComparandResult); 254 short _InterlockedCompareExchange16_np(short volatile *_Destination, 255 short _Exchange, short _Comparand); 256 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, 257 __int64 _Exchange, __int64 _Comparand); 258 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, 259 void *_Exchange, void *_Comparand); 260 long _InterlockedOr_np(long volatile *_Value, long _Mask); 261 short _InterlockedOr16_np(short volatile *_Value, short _Mask); 262 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); 263 char _InterlockedOr8_np(char volatile *_Value, char _Mask); 264 long _InterlockedXor_np(long volatile *_Value, long _Mask); 265 short _InterlockedXor16_np(short volatile *_Value, short _Mask); 266 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); 267 char _InterlockedXor8_np(char volatile *_Value, char _Mask); 268 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); 269 __int64 _sarx_i64(__int64, unsigned int); 270 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); 271 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); 272 static __inline__ 273 __int64 __mulh(__int64, __int64); 274 static __inline__ 275 unsigned __int64 __umulh(unsigned __int64, unsigned __int64); 276 static __inline__ 277 __int64 _mul128(__int64, __int64, __int64*); 278 static __inline__ 279 unsigned __int64 _umul128(unsigned __int64, 280 unsigned __int64, 281 unsigned __int64*); 282 283 #endif /* __x86_64__ */ 284 285 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) 286 287 static __inline__ 288 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask); 289 static __inline__ 290 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask); 291 292 #endif 293 294 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) 295 static __inline__ 296 __int64 _InterlockedDecrement64(__int64 volatile *_Addend); 297 static __inline__ 298 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value); 299 static __inline__ 300 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value); 301 static __inline__ 302 __int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value); 303 static __inline__ 304 __int64 _InterlockedIncrement64(__int64 volatile *_Addend); 305 static __inline__ 306 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask); 307 static __inline__ 308 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask); 309 static __inline__ 310 __int64 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask); 311 312 #endif 313 314 /*----------------------------------------------------------------------------*\ 315 |* Interlocked Exchange Add 316 \*----------------------------------------------------------------------------*/ 317 #if defined(__arm__) || defined(__aarch64__) 318 char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value); 319 char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value); 320 char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value); 321 short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value); 322 short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value); 323 short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value); 324 long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value); 325 long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value); 326 long _InterlockedExchangeAdd_rel(long volatile *_Addend, long _Value); 327 __int64 _InterlockedExchangeAdd64_acq(__int64 volatile *_Addend, __int64 _Value); 328 __int64 _InterlockedExchangeAdd64_nf(__int64 volatile *_Addend, __int64 _Value); 329 __int64 _InterlockedExchangeAdd64_rel(__int64 volatile *_Addend, __int64 _Value); 330 #endif 331 /*----------------------------------------------------------------------------*\ 332 |* Interlocked Increment 333 \*----------------------------------------------------------------------------*/ 334 #if defined(__arm__) || defined(__aarch64__) 335 short _InterlockedIncrement16_acq(short volatile *_Value); 336 short _InterlockedIncrement16_nf(short volatile *_Value); 337 short _InterlockedIncrement16_rel(short volatile *_Value); 338 long _InterlockedIncrement_acq(long volatile *_Value); 339 long _InterlockedIncrement_nf(long volatile *_Value); 340 long _InterlockedIncrement_rel(long volatile *_Value); 341 __int64 _InterlockedIncrement64_acq(__int64 volatile *_Value); 342 __int64 _InterlockedIncrement64_nf(__int64 volatile *_Value); 343 __int64 _InterlockedIncrement64_rel(__int64 volatile *_Value); 344 #endif 345 /*----------------------------------------------------------------------------*\ 346 |* Interlocked Decrement 347 \*----------------------------------------------------------------------------*/ 348 #if defined(__arm__) || defined(__aarch64__) 349 short _InterlockedDecrement16_acq(short volatile *_Value); 350 short _InterlockedDecrement16_nf(short volatile *_Value); 351 short _InterlockedDecrement16_rel(short volatile *_Value); 352 long _InterlockedDecrement_acq(long volatile *_Value); 353 long _InterlockedDecrement_nf(long volatile *_Value); 354 long _InterlockedDecrement_rel(long volatile *_Value); 355 __int64 _InterlockedDecrement64_acq(__int64 volatile *_Value); 356 __int64 _InterlockedDecrement64_nf(__int64 volatile *_Value); 357 __int64 _InterlockedDecrement64_rel(__int64 volatile *_Value); 358 #endif 359 /*----------------------------------------------------------------------------*\ 360 |* Interlocked And 361 \*----------------------------------------------------------------------------*/ 362 #if defined(__arm__) || defined(__aarch64__) 363 char _InterlockedAnd8_acq(char volatile *_Value, char _Mask); 364 char _InterlockedAnd8_nf(char volatile *_Value, char _Mask); 365 char _InterlockedAnd8_rel(char volatile *_Value, char _Mask); 366 short _InterlockedAnd16_acq(short volatile *_Value, short _Mask); 367 short _InterlockedAnd16_nf(short volatile *_Value, short _Mask); 368 short _InterlockedAnd16_rel(short volatile *_Value, short _Mask); 369 long _InterlockedAnd_acq(long volatile *_Value, long _Mask); 370 long _InterlockedAnd_nf(long volatile *_Value, long _Mask); 371 long _InterlockedAnd_rel(long volatile *_Value, long _Mask); 372 __int64 _InterlockedAnd64_acq(__int64 volatile *_Value, __int64 _Mask); 373 __int64 _InterlockedAnd64_nf(__int64 volatile *_Value, __int64 _Mask); 374 __int64 _InterlockedAnd64_rel(__int64 volatile *_Value, __int64 _Mask); 375 #endif 376 /*----------------------------------------------------------------------------*\ 377 |* Bit Counting and Testing 378 \*----------------------------------------------------------------------------*/ 379 #if defined(__arm__) || defined(__aarch64__) 380 unsigned char _interlockedbittestandset_acq(long volatile *_BitBase, 381 long _BitPos); 382 unsigned char _interlockedbittestandset_nf(long volatile *_BitBase, 383 long _BitPos); 384 unsigned char _interlockedbittestandset_rel(long volatile *_BitBase, 385 long _BitPos); 386 unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase, 387 long _BitPos); 388 unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase, 389 long _BitPos); 390 unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase, 391 long _BitPos); 392 #endif 393 /*----------------------------------------------------------------------------*\ 394 |* Interlocked Or 395 \*----------------------------------------------------------------------------*/ 396 #if defined(__arm__) || defined(__aarch64__) 397 char _InterlockedOr8_acq(char volatile *_Value, char _Mask); 398 char _InterlockedOr8_nf(char volatile *_Value, char _Mask); 399 char _InterlockedOr8_rel(char volatile *_Value, char _Mask); 400 short _InterlockedOr16_acq(short volatile *_Value, short _Mask); 401 short _InterlockedOr16_nf(short volatile *_Value, short _Mask); 402 short _InterlockedOr16_rel(short volatile *_Value, short _Mask); 403 long _InterlockedOr_acq(long volatile *_Value, long _Mask); 404 long _InterlockedOr_nf(long volatile *_Value, long _Mask); 405 long _InterlockedOr_rel(long volatile *_Value, long _Mask); 406 __int64 _InterlockedOr64_acq(__int64 volatile *_Value, __int64 _Mask); 407 __int64 _InterlockedOr64_nf(__int64 volatile *_Value, __int64 _Mask); 408 __int64 _InterlockedOr64_rel(__int64 volatile *_Value, __int64 _Mask); 409 #endif 410 /*----------------------------------------------------------------------------*\ 411 |* Interlocked Xor 412 \*----------------------------------------------------------------------------*/ 413 #if defined(__arm__) || defined(__aarch64__) 414 char _InterlockedXor8_acq(char volatile *_Value, char _Mask); 415 char _InterlockedXor8_nf(char volatile *_Value, char _Mask); 416 char _InterlockedXor8_rel(char volatile *_Value, char _Mask); 417 short _InterlockedXor16_acq(short volatile *_Value, short _Mask); 418 short _InterlockedXor16_nf(short volatile *_Value, short _Mask); 419 short _InterlockedXor16_rel(short volatile *_Value, short _Mask); 420 long _InterlockedXor_acq(long volatile *_Value, long _Mask); 421 long _InterlockedXor_nf(long volatile *_Value, long _Mask); 422 long _InterlockedXor_rel(long volatile *_Value, long _Mask); 423 __int64 _InterlockedXor64_acq(__int64 volatile *_Value, __int64 _Mask); 424 __int64 _InterlockedXor64_nf(__int64 volatile *_Value, __int64 _Mask); 425 __int64 _InterlockedXor64_rel(__int64 volatile *_Value, __int64 _Mask); 426 #endif 427 /*----------------------------------------------------------------------------*\ 428 |* Interlocked Exchange 429 \*----------------------------------------------------------------------------*/ 430 #if defined(__arm__) || defined(__aarch64__) 431 char _InterlockedExchange8_acq(char volatile *_Target, char _Value); 432 char _InterlockedExchange8_nf(char volatile *_Target, char _Value); 433 char _InterlockedExchange8_rel(char volatile *_Target, char _Value); 434 short _InterlockedExchange16_acq(short volatile *_Target, short _Value); 435 short _InterlockedExchange16_nf(short volatile *_Target, short _Value); 436 short _InterlockedExchange16_rel(short volatile *_Target, short _Value); 437 long _InterlockedExchange_acq(long volatile *_Target, long _Value); 438 long _InterlockedExchange_nf(long volatile *_Target, long _Value); 439 long _InterlockedExchange_rel(long volatile *_Target, long _Value); 440 __int64 _InterlockedExchange64_acq(__int64 volatile *_Target, __int64 _Value); 441 __int64 _InterlockedExchange64_nf(__int64 volatile *_Target, __int64 _Value); 442 __int64 _InterlockedExchange64_rel(__int64 volatile *_Target, __int64 _Value); 443 #endif 444 /*----------------------------------------------------------------------------*\ 445 |* Interlocked Compare Exchange 446 \*----------------------------------------------------------------------------*/ 447 #if defined(__arm__) || defined(__aarch64__) 448 char _InterlockedCompareExchange8_acq(char volatile *_Destination, 449 char _Exchange, char _Comparand); 450 char _InterlockedCompareExchange8_nf(char volatile *_Destination, 451 char _Exchange, char _Comparand); 452 char _InterlockedCompareExchange8_rel(char volatile *_Destination, 453 char _Exchange, char _Comparand); 454 short _InterlockedCompareExchange16_acq(short volatile *_Destination, 455 short _Exchange, short _Comparand); 456 short _InterlockedCompareExchange16_nf(short volatile *_Destination, 457 short _Exchange, short _Comparand); 458 short _InterlockedCompareExchange16_rel(short volatile *_Destination, 459 short _Exchange, short _Comparand); 460 long _InterlockedCompareExchange_acq(long volatile *_Destination, 461 long _Exchange, long _Comparand); 462 long _InterlockedCompareExchange_nf(long volatile *_Destination, 463 long _Exchange, long _Comparand); 464 long _InterlockedCompareExchange_rel(long volatile *_Destination, 465 long _Exchange, long _Comparand); 466 __int64 _InterlockedCompareExchange64_acq(__int64 volatile *_Destination, 467 __int64 _Exchange, __int64 _Comparand); 468 __int64 _InterlockedCompareExchange64_nf(__int64 volatile *_Destination, 469 __int64 _Exchange, __int64 _Comparand); 470 __int64 _InterlockedCompareExchange64_rel(__int64 volatile *_Destination, 471 __int64 _Exchange, __int64 _Comparand); 472 #endif 473 474 /*----------------------------------------------------------------------------*\ 475 |* movs, stos 476 \*----------------------------------------------------------------------------*/ 477 #if defined(__i386__) || defined(__x86_64__) 478 static __inline__ void __DEFAULT_FN_ATTRS 479 __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) { 480 __asm__ __volatile__("rep movsb" : "+D"(__dst), "+S"(__src), "+c"(__n) 481 : : "memory"); 482 } 483 static __inline__ void __DEFAULT_FN_ATTRS 484 __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) { 485 __asm__ __volatile__("rep movsl" : "+D"(__dst), "+S"(__src), "+c"(__n) 486 : : "memory"); 487 } 488 static __inline__ void __DEFAULT_FN_ATTRS 489 __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) { 490 __asm__ __volatile__("rep movsw" : "+D"(__dst), "+S"(__src), "+c"(__n) 491 : : "memory"); 492 } 493 static __inline__ void __DEFAULT_FN_ATTRS 494 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) { 495 __asm__ __volatile__("rep stosl" : "+D"(__dst), "+c"(__n) : "a"(__x) 496 : "memory"); 497 } 498 static __inline__ void __DEFAULT_FN_ATTRS 499 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) { 500 __asm__ __volatile__("rep stosw" : "+D"(__dst), "+c"(__n) : "a"(__x) 501 : "memory"); 502 } 503 #endif 504 #ifdef __x86_64__ 505 static __inline__ void __DEFAULT_FN_ATTRS 506 __movsq(unsigned long long *__dst, unsigned long long const *__src, size_t __n) { 507 __asm__ __volatile__("rep movsq" : "+D"(__dst), "+S"(__src), "+c"(__n) 508 : : "memory"); 509 } 510 static __inline__ void __DEFAULT_FN_ATTRS 511 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) { 512 __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x) 513 : "memory"); 514 } 515 #endif 516 517 /*----------------------------------------------------------------------------*\ 518 |* Misc 519 \*----------------------------------------------------------------------------*/ 520 #if defined(__i386__) || defined(__x86_64__) 521 static __inline__ void __DEFAULT_FN_ATTRS 522 __cpuid(int __info[4], int __level) { 523 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 524 : "a"(__level), "c"(0)); 525 } 526 static __inline__ void __DEFAULT_FN_ATTRS 527 __cpuidex(int __info[4], int __level, int __ecx) { 528 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 529 : "a"(__level), "c"(__ecx)); 530 } 531 static __inline__ void __DEFAULT_FN_ATTRS 532 __halt(void) { 533 __asm__ volatile ("hlt"); 534 } 535 #endif 536 537 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) 538 static __inline__ void __DEFAULT_FN_ATTRS 539 __nop(void) { 540 __asm__ volatile ("nop"); 541 } 542 #endif 543 544 /*----------------------------------------------------------------------------*\ 545 |* MS AArch64 specific 546 \*----------------------------------------------------------------------------*/ 547 #if defined(__aarch64__) 548 unsigned __int64 __getReg(int); 549 long _InterlockedAdd(long volatile *Addend, long Value); 550 __int64 _ReadStatusReg(int); 551 void _WriteStatusReg(int, __int64); 552 553 unsigned short __cdecl _byteswap_ushort(unsigned short val); 554 unsigned long __cdecl _byteswap_ulong (unsigned long val); 555 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); 556 #endif 557 558 /*----------------------------------------------------------------------------*\ 559 |* Privileged intrinsics 560 \*----------------------------------------------------------------------------*/ 561 #if defined(__i386__) || defined(__x86_64__) 562 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 563 __readmsr(unsigned long __register) { 564 // Loads the contents of a 64-bit model specific register (MSR) specified in 565 // the ECX register into registers EDX:EAX. The EDX register is loaded with 566 // the high-order 32 bits of the MSR and the EAX register is loaded with the 567 // low-order 32 bits. If less than 64 bits are implemented in the MSR being 568 // read, the values returned to EDX:EAX in unimplemented bit locations are 569 // undefined. 570 unsigned long __edx; 571 unsigned long __eax; 572 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register)); 573 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax; 574 } 575 #endif 576 577 static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS 578 __readcr3(void) { 579 unsigned __LPTRINT_TYPE__ __cr3_val; 580 __asm__ __volatile__ ("mov %%cr3, %0" : "=r"(__cr3_val) : : "memory"); 581 return __cr3_val; 582 } 583 584 static __inline__ void __DEFAULT_FN_ATTRS 585 __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) { 586 __asm__ ("mov %0, %%cr3" : : "r"(__cr3_val) : "memory"); 587 } 588 589 #ifdef __cplusplus 590 } 591 #endif 592 593 #undef __LPTRINT_TYPE__ 594 595 #undef __DEFAULT_FN_ATTRS 596 597 #endif /* __INTRIN_H */ 598 #endif /* _MSC_VER */ 599