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 *); 60static __inline__ 61void __cpuid(int[4], int); 62static __inline__ 63void __cpuidex(int[4], int, int); 64static __inline__ 65__int64 __emul(int, int); 66static __inline__ 67unsigned __int64 __emulu(unsigned int, unsigned int); 68unsigned int __getcallerseflags(void); 69static __inline__ 70void __halt(void); 71unsigned char __inbyte(unsigned short); 72void __inbytestring(unsigned short, unsigned char *, unsigned long); 73void __incfsbyte(unsigned long); 74void __incfsdword(unsigned long); 75void __incfsword(unsigned long); 76unsigned long __indword(unsigned short); 77void __indwordstring(unsigned short, unsigned long *, unsigned long); 78void __int2c(void); 79void __invlpg(void *); 80unsigned short __inword(unsigned short); 81void __inwordstring(unsigned short, unsigned short *, unsigned long); 82void __lidt(void *); 83unsigned __int64 __ll_lshift(unsigned __int64, int); 84__int64 __ll_rshift(__int64, int); 85static __inline__ 86void __movsb(unsigned char *, unsigned char const *, size_t); 87static __inline__ 88void __movsd(unsigned long *, unsigned long const *, size_t); 89static __inline__ 90void __movsw(unsigned short *, unsigned short const *, size_t); 91static __inline__ 92void __nop(void); 93void __nvreg_restore_fence(void); 94void __nvreg_save_fence(void); 95void __outbyte(unsigned short, unsigned char); 96void __outbytestring(unsigned short, unsigned char *, unsigned long); 97void __outdword(unsigned short, unsigned long); 98void __outdwordstring(unsigned short, unsigned long *, unsigned long); 99void __outword(unsigned short, unsigned short); 100void __outwordstring(unsigned short, unsigned short *, unsigned long); 101unsigned long __readcr0(void); 102unsigned long __readcr2(void); 103unsigned __LPTRINT_TYPE__ __readcr3(void); 104unsigned long __readcr4(void); 105unsigned long __readcr8(void); 106unsigned int __readdr(unsigned int); 107#ifdef __i386__ 108static __inline__ 109unsigned char __readfsbyte(unsigned long); 110static __inline__ 111unsigned __int64 __readfsqword(unsigned long); 112static __inline__ 113unsigned short __readfsword(unsigned long); 114#endif 115static __inline__ 116unsigned __int64 __readmsr(unsigned long); 117unsigned __int64 __readpmc(unsigned long); 118unsigned long __segmentlimit(unsigned long); 119void __sidt(void *); 120static __inline__ 121void __stosb(unsigned char *, unsigned char, size_t); 122static __inline__ 123void __stosd(unsigned long *, unsigned long, size_t); 124static __inline__ 125void __stosw(unsigned short *, unsigned short, size_t); 126void __svm_clgi(void); 127void __svm_invlpga(void *, int); 128void __svm_skinit(int); 129void __svm_stgi(void); 130void __svm_vmload(size_t); 131void __svm_vmrun(size_t); 132void __svm_vmsave(size_t); 133void __ud2(void); 134unsigned __int64 __ull_rshift(unsigned __int64, int); 135void __vmx_off(void); 136void __vmx_vmptrst(unsigned __int64 *); 137void __wbinvd(void); 138void __writecr0(unsigned int); 139static __inline__ 140void __writecr3(unsigned __INTPTR_TYPE__); 141void __writecr4(unsigned int); 142void __writecr8(unsigned int); 143void __writedr(unsigned int, unsigned int); 144void __writefsbyte(unsigned long, unsigned char); 145void __writefsdword(unsigned long, unsigned long); 146void __writefsqword(unsigned long, unsigned __int64); 147void __writefsword(unsigned long, unsigned short); 148void __writemsr(unsigned long, unsigned __int64); 149static __inline__ 150void *_AddressOfReturnAddress(void); 151static __inline__ 152unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask); 153static __inline__ 154unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask); 155unsigned char _bittest(long const *, long); 156unsigned char _bittestandcomplement(long *, long); 157unsigned char _bittestandreset(long *, long); 158unsigned char _bittestandset(long *, long); 159void __cdecl _disable(void); 160void __cdecl _enable(void); 161long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); 162unsigned char _interlockedbittestandreset(long volatile *, long); 163unsigned char _interlockedbittestandset(long volatile *, long); 164void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, 165 void *); 166void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, 167 void *); 168long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); 169long _InterlockedExchangeAdd_HLERelease(long volatile *, long); 170__int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); 171__int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); 172static __inline__ void 173__attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 174_ReadBarrier(void); 175static __inline__ void 176__attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 177_ReadWriteBarrier(void); 178unsigned int _rorx_u32(unsigned int, const unsigned int); 179int _sarx_i32(int, unsigned int); 180#if __STDC_HOSTED__ 181int __cdecl _setjmp(jmp_buf); 182#endif 183unsigned int _shlx_u32(unsigned int, unsigned int); 184unsigned int _shrx_u32(unsigned int, unsigned int); 185void _Store_HLERelease(long volatile *, long); 186void _Store64_HLERelease(__int64 volatile *, __int64); 187void _StorePointer_HLERelease(void *volatile *, void *); 188static __inline__ void 189__attribute__((__deprecated__("use other intrinsics or C++11 atomics instead"))) 190_WriteBarrier(void); 191unsigned __int32 xbegin(void); 192void _xend(void); 193 194/* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ 195#ifdef __x86_64__ 196void __addgsbyte(unsigned long, unsigned char); 197void __addgsdword(unsigned long, unsigned long); 198void __addgsqword(unsigned long, unsigned __int64); 199void __addgsword(unsigned long, unsigned short); 200static __inline__ 201void __faststorefence(void); 202void __incgsbyte(unsigned long); 203void __incgsdword(unsigned long); 204void __incgsqword(unsigned long); 205void __incgsword(unsigned long); 206static __inline__ 207void __movsq(unsigned long long *, unsigned long long const *, size_t); 208static __inline__ 209unsigned char __readgsbyte(unsigned long); 210static __inline__ 211unsigned long __readgsdword(unsigned long); 212static __inline__ 213unsigned __int64 __readgsqword(unsigned long); 214unsigned short __readgsword(unsigned long); 215unsigned __int64 __shiftleft128(unsigned __int64 _LowPart, 216 unsigned __int64 _HighPart, 217 unsigned char _Shift); 218unsigned __int64 __shiftright128(unsigned __int64 _LowPart, 219 unsigned __int64 _HighPart, 220 unsigned char _Shift); 221static __inline__ 222void __stosq(unsigned __int64 *, unsigned __int64, size_t); 223unsigned char __vmx_on(unsigned __int64 *); 224unsigned char __vmx_vmclear(unsigned __int64 *); 225unsigned char __vmx_vmlaunch(void); 226unsigned char __vmx_vmptrld(unsigned __int64 *); 227unsigned char __vmx_vmread(size_t, size_t *); 228unsigned char __vmx_vmresume(void); 229unsigned char __vmx_vmwrite(size_t, size_t); 230void __writegsbyte(unsigned long, unsigned char); 231void __writegsdword(unsigned long, unsigned long); 232void __writegsqword(unsigned long, unsigned __int64); 233void __writegsword(unsigned long, unsigned short); 234unsigned char _bittest64(__int64 const *, __int64); 235unsigned char _bittestandcomplement64(__int64 *, __int64); 236unsigned char _bittestandreset64(__int64 *, __int64); 237unsigned char _bittestandset64(__int64 *, __int64); 238long _InterlockedAnd_np(long volatile *_Value, long _Mask); 239short _InterlockedAnd16_np(short volatile *_Value, short _Mask); 240__int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); 241char _InterlockedAnd8_np(char volatile *_Value, char _Mask); 242unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); 243unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); 244long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, 245 long _Comparand); 246unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination, 247 __int64 _ExchangeHigh, 248 __int64 _ExchangeLow, 249 __int64 *_CompareandResult); 250unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, 251 __int64 _ExchangeHigh, 252 __int64 _ExchangeLow, 253 __int64 *_ComparandResult); 254short _InterlockedCompareExchange16_np(short volatile *_Destination, 255 short _Exchange, short _Comparand); 256__int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, 257 __int64 _Exchange, __int64 _Comparand); 258void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, 259 void *_Exchange, void *_Comparand); 260long _InterlockedOr_np(long volatile *_Value, long _Mask); 261short _InterlockedOr16_np(short volatile *_Value, short _Mask); 262__int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); 263char _InterlockedOr8_np(char volatile *_Value, char _Mask); 264long _InterlockedXor_np(long volatile *_Value, long _Mask); 265short _InterlockedXor16_np(short volatile *_Value, short _Mask); 266__int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); 267char _InterlockedXor8_np(char volatile *_Value, char _Mask); 268unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); 269__int64 _sarx_i64(__int64, unsigned int); 270unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); 271unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); 272static __inline__ 273__int64 __mulh(__int64, __int64); 274static __inline__ 275unsigned __int64 __umulh(unsigned __int64, unsigned __int64); 276static __inline__ 277__int64 _mul128(__int64, __int64, __int64*); 278static __inline__ 279unsigned __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 287static __inline__ 288unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask); 289static __inline__ 290unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask); 291 292static __inline__ 293__int64 _InterlockedDecrement64(__int64 volatile *_Addend); 294static __inline__ 295__int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value); 296static __inline__ 297__int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value); 298static __inline__ 299__int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value); 300static __inline__ 301__int64 _InterlockedIncrement64(__int64 volatile *_Addend); 302static __inline__ 303__int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask); 304static __inline__ 305__int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask); 306static __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__) 315char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value); 316char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value); 317char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value); 318short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value); 319short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value); 320short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value); 321long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value); 322long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value); 323long _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__) 332short _InterlockedIncrement16_acq(short volatile *_Value); 333short _InterlockedIncrement16_nf(short volatile *_Value); 334short _InterlockedIncrement16_rel(short volatile *_Value); 335long _InterlockedIncrement_acq(long volatile *_Value); 336long _InterlockedIncrement_nf(long volatile *_Value); 337long _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__) 346short _InterlockedDecrement16_acq(short volatile *_Value); 347short _InterlockedDecrement16_nf(short volatile *_Value); 348short _InterlockedDecrement16_rel(short volatile *_Value); 349long _InterlockedDecrement_acq(long volatile *_Value); 350long _InterlockedDecrement_nf(long volatile *_Value); 351long _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__) 360char _InterlockedAnd8_acq(char volatile *_Value, char _Mask); 361char _InterlockedAnd8_nf(char volatile *_Value, char _Mask); 362char _InterlockedAnd8_rel(char volatile *_Value, char _Mask); 363short _InterlockedAnd16_acq(short volatile *_Value, short _Mask); 364short _InterlockedAnd16_nf(short volatile *_Value, short _Mask); 365short _InterlockedAnd16_rel(short volatile *_Value, short _Mask); 366long _InterlockedAnd_acq(long volatile *_Value, long _Mask); 367long _InterlockedAnd_nf(long volatile *_Value, long _Mask); 368long _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__) 377unsigned char _interlockedbittestandset_acq(long volatile *_BitBase, 378 long _BitPos); 379unsigned char _interlockedbittestandset_nf(long volatile *_BitBase, 380 long _BitPos); 381unsigned char _interlockedbittestandset_rel(long volatile *_BitBase, 382 long _BitPos); 383unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase, 384 long _BitPos); 385unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase, 386 long _BitPos); 387unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase, 388 long _BitPos); 389#endif 390/*----------------------------------------------------------------------------*\ 391|* Interlocked Or 392\*----------------------------------------------------------------------------*/ 393#if defined(__arm__) || defined(__aarch64__) 394char _InterlockedOr8_acq(char volatile *_Value, char _Mask); 395char _InterlockedOr8_nf(char volatile *_Value, char _Mask); 396char _InterlockedOr8_rel(char volatile *_Value, char _Mask); 397short _InterlockedOr16_acq(short volatile *_Value, short _Mask); 398short _InterlockedOr16_nf(short volatile *_Value, short _Mask); 399short _InterlockedOr16_rel(short volatile *_Value, short _Mask); 400long _InterlockedOr_acq(long volatile *_Value, long _Mask); 401long _InterlockedOr_nf(long volatile *_Value, long _Mask); 402long _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__) 411char _InterlockedXor8_acq(char volatile *_Value, char _Mask); 412char _InterlockedXor8_nf(char volatile *_Value, char _Mask); 413char _InterlockedXor8_rel(char volatile *_Value, char _Mask); 414short _InterlockedXor16_acq(short volatile *_Value, short _Mask); 415short _InterlockedXor16_nf(short volatile *_Value, short _Mask); 416short _InterlockedXor16_rel(short volatile *_Value, short _Mask); 417long _InterlockedXor_acq(long volatile *_Value, long _Mask); 418long _InterlockedXor_nf(long volatile *_Value, long _Mask); 419long _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__) 428char _InterlockedExchange8_acq(char volatile *_Target, char _Value); 429char _InterlockedExchange8_nf(char volatile *_Target, char _Value); 430char _InterlockedExchange8_rel(char volatile *_Target, char _Value); 431short _InterlockedExchange16_acq(short volatile *_Target, short _Value); 432short _InterlockedExchange16_nf(short volatile *_Target, short _Value); 433short _InterlockedExchange16_rel(short volatile *_Target, short _Value); 434long _InterlockedExchange_acq(long volatile *_Target, long _Value); 435long _InterlockedExchange_nf(long volatile *_Target, long _Value); 436long _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__) 445char _InterlockedCompareExchange8_acq(char volatile *_Destination, 446 char _Exchange, char _Comparand); 447char _InterlockedCompareExchange8_nf(char volatile *_Destination, 448 char _Exchange, char _Comparand); 449char _InterlockedCompareExchange8_rel(char volatile *_Destination, 450 char _Exchange, char _Comparand); 451short _InterlockedCompareExchange16_acq(short volatile *_Destination, 452 short _Exchange, short _Comparand); 453short _InterlockedCompareExchange16_nf(short volatile *_Destination, 454 short _Exchange, short _Comparand); 455short _InterlockedCompareExchange16_rel(short volatile *_Destination, 456 short _Exchange, short _Comparand); 457long _InterlockedCompareExchange_acq(long volatile *_Destination, 458 long _Exchange, long _Comparand); 459long _InterlockedCompareExchange_nf(long volatile *_Destination, 460 long _Exchange, long _Comparand); 461long _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__) 475static __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} 480static __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} 485static __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} 490static __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} 495static __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__ 502static __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} 507static __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__) 518static __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} 523static __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} 528static __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__) 535static __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__) 545unsigned __int64 __getReg(int); 546long _InterlockedAdd(long volatile *Addend, long Value); 547__int64 _ReadStatusReg(int); 548void _WriteStatusReg(int, __int64); 549 550unsigned short __cdecl _byteswap_ushort(unsigned short val); 551unsigned long __cdecl _byteswap_ulong (unsigned long val); 552unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); 553#endif 554 555/*----------------------------------------------------------------------------*\ 556|* Privileged intrinsics 557\*----------------------------------------------------------------------------*/ 558#if defined(__i386__) || defined(__x86_64__) 559static __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 574static __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 581static __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