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 static __inline__ 293 __int64 _InterlockedDecrement64(__int64 volatile *_Addend); 294 static __inline__ 295 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value); 296 static __inline__ 297 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value); 298 static __inline__ 299 __int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value); 300 static __inline__ 301 __int64 _InterlockedIncrement64(__int64 volatile *_Addend); 302 static __inline__ 303 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask); 304 static __inline__ 305 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask); 306 static __inline__ 307 __int64 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask); 308 309 #endif 310 311 /*----------------------------------------------------------------------------*\ 312 |* Interlocked Exchange Add 313 \*----------------------------------------------------------------------------*/ 314 #if defined(__arm__) || defined(__aarch64__) 315 char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value); 316 char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value); 317 char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value); 318 short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value); 319 short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value); 320 short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value); 321 long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value); 322 long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value); 323 long _InterlockedExchangeAdd_rel(long volatile *_Addend, long _Value); 324 __int64 _InterlockedExchangeAdd64_acq(__int64 volatile *_Addend, __int64 _Value); 325 __int64 _InterlockedExchangeAdd64_nf(__int64 volatile *_Addend, __int64 _Value); 326 __int64 _InterlockedExchangeAdd64_rel(__int64 volatile *_Addend, __int64 _Value); 327 #endif 328 /*----------------------------------------------------------------------------*\ 329 |* Interlocked Increment 330 \*----------------------------------------------------------------------------*/ 331 #if defined(__arm__) || defined(__aarch64__) 332 short _InterlockedIncrement16_acq(short volatile *_Value); 333 short _InterlockedIncrement16_nf(short volatile *_Value); 334 short _InterlockedIncrement16_rel(short volatile *_Value); 335 long _InterlockedIncrement_acq(long volatile *_Value); 336 long _InterlockedIncrement_nf(long volatile *_Value); 337 long _InterlockedIncrement_rel(long volatile *_Value); 338 __int64 _InterlockedIncrement64_acq(__int64 volatile *_Value); 339 __int64 _InterlockedIncrement64_nf(__int64 volatile *_Value); 340 __int64 _InterlockedIncrement64_rel(__int64 volatile *_Value); 341 #endif 342 /*----------------------------------------------------------------------------*\ 343 |* Interlocked Decrement 344 \*----------------------------------------------------------------------------*/ 345 #if defined(__arm__) || defined(__aarch64__) 346 short _InterlockedDecrement16_acq(short volatile *_Value); 347 short _InterlockedDecrement16_nf(short volatile *_Value); 348 short _InterlockedDecrement16_rel(short volatile *_Value); 349 long _InterlockedDecrement_acq(long volatile *_Value); 350 long _InterlockedDecrement_nf(long volatile *_Value); 351 long _InterlockedDecrement_rel(long volatile *_Value); 352 __int64 _InterlockedDecrement64_acq(__int64 volatile *_Value); 353 __int64 _InterlockedDecrement64_nf(__int64 volatile *_Value); 354 __int64 _InterlockedDecrement64_rel(__int64 volatile *_Value); 355 #endif 356 /*----------------------------------------------------------------------------*\ 357 |* Interlocked And 358 \*----------------------------------------------------------------------------*/ 359 #if defined(__arm__) || defined(__aarch64__) 360 char _InterlockedAnd8_acq(char volatile *_Value, char _Mask); 361 char _InterlockedAnd8_nf(char volatile *_Value, char _Mask); 362 char _InterlockedAnd8_rel(char volatile *_Value, char _Mask); 363 short _InterlockedAnd16_acq(short volatile *_Value, short _Mask); 364 short _InterlockedAnd16_nf(short volatile *_Value, short _Mask); 365 short _InterlockedAnd16_rel(short volatile *_Value, short _Mask); 366 long _InterlockedAnd_acq(long volatile *_Value, long _Mask); 367 long _InterlockedAnd_nf(long volatile *_Value, long _Mask); 368 long _InterlockedAnd_rel(long volatile *_Value, long _Mask); 369 __int64 _InterlockedAnd64_acq(__int64 volatile *_Value, __int64 _Mask); 370 __int64 _InterlockedAnd64_nf(__int64 volatile *_Value, __int64 _Mask); 371 __int64 _InterlockedAnd64_rel(__int64 volatile *_Value, __int64 _Mask); 372 #endif 373 /*----------------------------------------------------------------------------*\ 374 |* Bit Counting and Testing 375 \*----------------------------------------------------------------------------*/ 376 #if defined(__arm__) || defined(__aarch64__) 377 unsigned char _interlockedbittestandset_acq(long volatile *_BitBase, 378 long _BitPos); 379 unsigned char _interlockedbittestandset_nf(long volatile *_BitBase, 380 long _BitPos); 381 unsigned char _interlockedbittestandset_rel(long volatile *_BitBase, 382 long _BitPos); 383 unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase, 384 long _BitPos); 385 unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase, 386 long _BitPos); 387 unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase, 388 long _BitPos); 389 #endif 390 /*----------------------------------------------------------------------------*\ 391 |* Interlocked Or 392 \*----------------------------------------------------------------------------*/ 393 #if defined(__arm__) || defined(__aarch64__) 394 char _InterlockedOr8_acq(char volatile *_Value, char _Mask); 395 char _InterlockedOr8_nf(char volatile *_Value, char _Mask); 396 char _InterlockedOr8_rel(char volatile *_Value, char _Mask); 397 short _InterlockedOr16_acq(short volatile *_Value, short _Mask); 398 short _InterlockedOr16_nf(short volatile *_Value, short _Mask); 399 short _InterlockedOr16_rel(short volatile *_Value, short _Mask); 400 long _InterlockedOr_acq(long volatile *_Value, long _Mask); 401 long _InterlockedOr_nf(long volatile *_Value, long _Mask); 402 long _InterlockedOr_rel(long volatile *_Value, long _Mask); 403 __int64 _InterlockedOr64_acq(__int64 volatile *_Value, __int64 _Mask); 404 __int64 _InterlockedOr64_nf(__int64 volatile *_Value, __int64 _Mask); 405 __int64 _InterlockedOr64_rel(__int64 volatile *_Value, __int64 _Mask); 406 #endif 407 /*----------------------------------------------------------------------------*\ 408 |* Interlocked Xor 409 \*----------------------------------------------------------------------------*/ 410 #if defined(__arm__) || defined(__aarch64__) 411 char _InterlockedXor8_acq(char volatile *_Value, char _Mask); 412 char _InterlockedXor8_nf(char volatile *_Value, char _Mask); 413 char _InterlockedXor8_rel(char volatile *_Value, char _Mask); 414 short _InterlockedXor16_acq(short volatile *_Value, short _Mask); 415 short _InterlockedXor16_nf(short volatile *_Value, short _Mask); 416 short _InterlockedXor16_rel(short volatile *_Value, short _Mask); 417 long _InterlockedXor_acq(long volatile *_Value, long _Mask); 418 long _InterlockedXor_nf(long volatile *_Value, long _Mask); 419 long _InterlockedXor_rel(long volatile *_Value, long _Mask); 420 __int64 _InterlockedXor64_acq(__int64 volatile *_Value, __int64 _Mask); 421 __int64 _InterlockedXor64_nf(__int64 volatile *_Value, __int64 _Mask); 422 __int64 _InterlockedXor64_rel(__int64 volatile *_Value, __int64 _Mask); 423 #endif 424 /*----------------------------------------------------------------------------*\ 425 |* Interlocked Exchange 426 \*----------------------------------------------------------------------------*/ 427 #if defined(__arm__) || defined(__aarch64__) 428 char _InterlockedExchange8_acq(char volatile *_Target, char _Value); 429 char _InterlockedExchange8_nf(char volatile *_Target, char _Value); 430 char _InterlockedExchange8_rel(char volatile *_Target, char _Value); 431 short _InterlockedExchange16_acq(short volatile *_Target, short _Value); 432 short _InterlockedExchange16_nf(short volatile *_Target, short _Value); 433 short _InterlockedExchange16_rel(short volatile *_Target, short _Value); 434 long _InterlockedExchange_acq(long volatile *_Target, long _Value); 435 long _InterlockedExchange_nf(long volatile *_Target, long _Value); 436 long _InterlockedExchange_rel(long volatile *_Target, long _Value); 437 __int64 _InterlockedExchange64_acq(__int64 volatile *_Target, __int64 _Value); 438 __int64 _InterlockedExchange64_nf(__int64 volatile *_Target, __int64 _Value); 439 __int64 _InterlockedExchange64_rel(__int64 volatile *_Target, __int64 _Value); 440 #endif 441 /*----------------------------------------------------------------------------*\ 442 |* Interlocked Compare Exchange 443 \*----------------------------------------------------------------------------*/ 444 #if defined(__arm__) || defined(__aarch64__) 445 char _InterlockedCompareExchange8_acq(char volatile *_Destination, 446 char _Exchange, char _Comparand); 447 char _InterlockedCompareExchange8_nf(char volatile *_Destination, 448 char _Exchange, char _Comparand); 449 char _InterlockedCompareExchange8_rel(char volatile *_Destination, 450 char _Exchange, char _Comparand); 451 short _InterlockedCompareExchange16_acq(short volatile *_Destination, 452 short _Exchange, short _Comparand); 453 short _InterlockedCompareExchange16_nf(short volatile *_Destination, 454 short _Exchange, short _Comparand); 455 short _InterlockedCompareExchange16_rel(short volatile *_Destination, 456 short _Exchange, short _Comparand); 457 long _InterlockedCompareExchange_acq(long volatile *_Destination, 458 long _Exchange, long _Comparand); 459 long _InterlockedCompareExchange_nf(long volatile *_Destination, 460 long _Exchange, long _Comparand); 461 long _InterlockedCompareExchange_rel(long volatile *_Destination, 462 long _Exchange, long _Comparand); 463 __int64 _InterlockedCompareExchange64_acq(__int64 volatile *_Destination, 464 __int64 _Exchange, __int64 _Comparand); 465 __int64 _InterlockedCompareExchange64_nf(__int64 volatile *_Destination, 466 __int64 _Exchange, __int64 _Comparand); 467 __int64 _InterlockedCompareExchange64_rel(__int64 volatile *_Destination, 468 __int64 _Exchange, __int64 _Comparand); 469 #endif 470 471 /*----------------------------------------------------------------------------*\ 472 |* movs, stos 473 \*----------------------------------------------------------------------------*/ 474 #if defined(__i386__) || defined(__x86_64__) 475 static __inline__ void __DEFAULT_FN_ATTRS 476 __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) { 477 __asm__ __volatile__("rep movsb" : "+D"(__dst), "+S"(__src), "+c"(__n) 478 : : "memory"); 479 } 480 static __inline__ void __DEFAULT_FN_ATTRS 481 __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) { 482 __asm__ __volatile__("rep movsl" : "+D"(__dst), "+S"(__src), "+c"(__n) 483 : : "memory"); 484 } 485 static __inline__ void __DEFAULT_FN_ATTRS 486 __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) { 487 __asm__ __volatile__("rep movsw" : "+D"(__dst), "+S"(__src), "+c"(__n) 488 : : "memory"); 489 } 490 static __inline__ void __DEFAULT_FN_ATTRS 491 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) { 492 __asm__ __volatile__("rep stosl" : "+D"(__dst), "+c"(__n) : "a"(__x) 493 : "memory"); 494 } 495 static __inline__ void __DEFAULT_FN_ATTRS 496 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) { 497 __asm__ __volatile__("rep stosw" : "+D"(__dst), "+c"(__n) : "a"(__x) 498 : "memory"); 499 } 500 #endif 501 #ifdef __x86_64__ 502 static __inline__ void __DEFAULT_FN_ATTRS 503 __movsq(unsigned long long *__dst, unsigned long long const *__src, size_t __n) { 504 __asm__ __volatile__("rep movsq" : "+D"(__dst), "+S"(__src), "+c"(__n) 505 : : "memory"); 506 } 507 static __inline__ void __DEFAULT_FN_ATTRS 508 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) { 509 __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x) 510 : "memory"); 511 } 512 #endif 513 514 /*----------------------------------------------------------------------------*\ 515 |* Misc 516 \*----------------------------------------------------------------------------*/ 517 #if defined(__i386__) || defined(__x86_64__) 518 static __inline__ void __DEFAULT_FN_ATTRS 519 __cpuid(int __info[4], int __level) { 520 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 521 : "a"(__level), "c"(0)); 522 } 523 static __inline__ void __DEFAULT_FN_ATTRS 524 __cpuidex(int __info[4], int __level, int __ecx) { 525 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3]) 526 : "a"(__level), "c"(__ecx)); 527 } 528 static __inline__ void __DEFAULT_FN_ATTRS 529 __halt(void) { 530 __asm__ volatile ("hlt"); 531 } 532 #endif 533 534 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) 535 static __inline__ void __DEFAULT_FN_ATTRS 536 __nop(void) { 537 __asm__ volatile ("nop"); 538 } 539 #endif 540 541 /*----------------------------------------------------------------------------*\ 542 |* MS AArch64 specific 543 \*----------------------------------------------------------------------------*/ 544 #if defined(__aarch64__) 545 unsigned __int64 __getReg(int); 546 long _InterlockedAdd(long volatile *Addend, long Value); 547 __int64 _ReadStatusReg(int); 548 void _WriteStatusReg(int, __int64); 549 550 unsigned short __cdecl _byteswap_ushort(unsigned short val); 551 unsigned long __cdecl _byteswap_ulong (unsigned long val); 552 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); 553 #endif 554 555 /*----------------------------------------------------------------------------*\ 556 |* Privileged intrinsics 557 \*----------------------------------------------------------------------------*/ 558 #if defined(__i386__) || defined(__x86_64__) 559 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 560 __readmsr(unsigned long __register) { 561 // Loads the contents of a 64-bit model specific register (MSR) specified in 562 // the ECX register into registers EDX:EAX. The EDX register is loaded with 563 // the high-order 32 bits of the MSR and the EAX register is loaded with the 564 // low-order 32 bits. If less than 64 bits are implemented in the MSR being 565 // read, the values returned to EDX:EAX in unimplemented bit locations are 566 // undefined. 567 unsigned long __edx; 568 unsigned long __eax; 569 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register)); 570 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax; 571 } 572 #endif 573 574 static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS 575 __readcr3(void) { 576 unsigned __LPTRINT_TYPE__ __cr3_val; 577 __asm__ __volatile__ ("mov %%cr3, %0" : "=r"(__cr3_val) : : "memory"); 578 return __cr3_val; 579 } 580 581 static __inline__ void __DEFAULT_FN_ATTRS 582 __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) { 583 __asm__ ("mov %0, %%cr3" : : "r"(__cr3_val) : "memory"); 584 } 585 586 #ifdef __cplusplus 587 } 588 #endif 589 590 #undef __LPTRINT_TYPE__ 591 592 #undef __DEFAULT_FN_ATTRS 593 594 #endif /* __INTRIN_H */ 595 #endif /* _MSC_VER */ 596