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