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 void __cpuid(int[4], int); 61 void __cpuidex(int[4], int, int); 62 __int64 __emul(int, int); 63 unsigned __int64 __emulu(unsigned int, unsigned int); 64 unsigned int __getcallerseflags(void); 65 void __halt(void); 66 unsigned char __inbyte(unsigned short); 67 void __inbytestring(unsigned short, unsigned char *, unsigned long); 68 void __incfsbyte(unsigned long); 69 void __incfsdword(unsigned long); 70 void __incfsword(unsigned long); 71 unsigned long __indword(unsigned short); 72 void __indwordstring(unsigned short, unsigned long *, unsigned long); 73 void __int2c(void); 74 void __invlpg(void *); 75 unsigned short __inword(unsigned short); 76 void __inwordstring(unsigned short, unsigned short *, unsigned long); 77 void __lidt(void *); 78 unsigned __int64 __ll_lshift(unsigned __int64, int); 79 __int64 __ll_rshift(__int64, int); 80 void __movsb(unsigned char *, unsigned char const *, size_t); 81 void __movsd(unsigned long *, unsigned long const *, size_t); 82 void __movsw(unsigned short *, unsigned short const *, size_t); 83 void __nop(void); 84 void __nvreg_restore_fence(void); 85 void __nvreg_save_fence(void); 86 void __outbyte(unsigned short, unsigned char); 87 void __outbytestring(unsigned short, unsigned char *, unsigned long); 88 void __outdword(unsigned short, unsigned long); 89 void __outdwordstring(unsigned short, unsigned long *, unsigned long); 90 void __outword(unsigned short, unsigned short); 91 void __outwordstring(unsigned short, unsigned short *, unsigned long); 92 unsigned long __readcr0(void); 93 unsigned long __readcr2(void); 94 unsigned __LPTRINT_TYPE__ __readcr3(void); 95 unsigned long __readcr4(void); 96 unsigned long __readcr8(void); 97 unsigned int __readdr(unsigned int); 98 #ifdef __i386__ 99 unsigned char __readfsbyte(unsigned long); 100 unsigned __int64 __readfsqword(unsigned long); 101 unsigned short __readfsword(unsigned long); 102 #endif 103 unsigned __int64 __readmsr(unsigned long); 104 unsigned __int64 __readpmc(unsigned long); 105 unsigned long __segmentlimit(unsigned long); 106 void __sidt(void *); 107 void __stosb(unsigned char *, unsigned char, size_t); 108 void __stosd(unsigned long *, unsigned long, size_t); 109 void __stosw(unsigned short *, unsigned short, size_t); 110 void __svm_clgi(void); 111 void __svm_invlpga(void *, int); 112 void __svm_skinit(int); 113 void __svm_stgi(void); 114 void __svm_vmload(size_t); 115 void __svm_vmrun(size_t); 116 void __svm_vmsave(size_t); 117 void __ud2(void); 118 unsigned __int64 __ull_rshift(unsigned __int64, int); 119 void __vmx_off(void); 120 void __vmx_vmptrst(unsigned __int64 *); 121 void __wbinvd(void); 122 void __writecr0(unsigned int); 123 void __writecr3(unsigned __INTPTR_TYPE__); 124 void __writecr4(unsigned int); 125 void __writecr8(unsigned int); 126 void __writedr(unsigned int, unsigned int); 127 void __writefsbyte(unsigned long, unsigned char); 128 void __writefsdword(unsigned long, unsigned long); 129 void __writefsqword(unsigned long, unsigned __int64); 130 void __writefsword(unsigned long, unsigned short); 131 void __writemsr(unsigned long, unsigned __int64); 132 void *_AddressOfReturnAddress(void); 133 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask); 134 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask); 135 unsigned char _bittest(long const *, long); 136 unsigned char _bittestandcomplement(long *, long); 137 unsigned char _bittestandreset(long *, long); 138 unsigned char _bittestandset(long *, long); 139 void __cdecl _disable(void); 140 void __cdecl _enable(void); 141 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); 142 unsigned char _interlockedbittestandreset(long volatile *, long); 143 unsigned char _interlockedbittestandset(long volatile *, long); 144 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, 145 void *); 146 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, 147 void *); 148 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); 149 long _InterlockedExchangeAdd_HLERelease(long volatile *, long); 150 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); 151 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); 152 void __attribute__((__deprecated__( 153 "use other intrinsics or C++11 atomics instead"))) _ReadBarrier(void); 154 void __attribute__((__deprecated__( 155 "use other intrinsics or C++11 atomics instead"))) _ReadWriteBarrier(void); 156 unsigned int _rorx_u32(unsigned int, const unsigned int); 157 int _sarx_i32(int, unsigned int); 158 #if __STDC_HOSTED__ 159 int __cdecl _setjmp(jmp_buf); 160 #endif 161 unsigned int _shlx_u32(unsigned int, unsigned int); 162 unsigned int _shrx_u32(unsigned int, unsigned int); 163 void _Store_HLERelease(long volatile *, long); 164 void _Store64_HLERelease(__int64 volatile *, __int64); 165 void _StorePointer_HLERelease(void *volatile *, void *); 166 void __attribute__((__deprecated__( 167 "use other intrinsics or C++11 atomics instead"))) _WriteBarrier(void); 168 unsigned __int32 xbegin(void); 169 void _xend(void); 170 171 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ 172 #ifdef __x86_64__ 173 void __addgsbyte(unsigned long, unsigned char); 174 void __addgsdword(unsigned long, unsigned long); 175 void __addgsqword(unsigned long, unsigned __int64); 176 void __addgsword(unsigned long, unsigned short); 177 void __faststorefence(void); 178 void __incgsbyte(unsigned long); 179 void __incgsdword(unsigned long); 180 void __incgsqword(unsigned long); 181 void __incgsword(unsigned long); 182 void __movsq(unsigned long long *, unsigned long long const *, size_t); 183 unsigned char __readgsbyte(unsigned long); 184 unsigned long __readgsdword(unsigned long); 185 unsigned __int64 __readgsqword(unsigned long); 186 unsigned short __readgsword(unsigned long); 187 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart, 188 unsigned __int64 _HighPart, 189 unsigned char _Shift); 190 unsigned __int64 __shiftright128(unsigned __int64 _LowPart, 191 unsigned __int64 _HighPart, 192 unsigned char _Shift); 193 void __stosq(unsigned __int64 *, unsigned __int64, size_t); 194 unsigned char __vmx_on(unsigned __int64 *); 195 unsigned char __vmx_vmclear(unsigned __int64 *); 196 unsigned char __vmx_vmlaunch(void); 197 unsigned char __vmx_vmptrld(unsigned __int64 *); 198 unsigned char __vmx_vmread(size_t, size_t *); 199 unsigned char __vmx_vmresume(void); 200 unsigned char __vmx_vmwrite(size_t, size_t); 201 void __writegsbyte(unsigned long, unsigned char); 202 void __writegsdword(unsigned long, unsigned long); 203 void __writegsqword(unsigned long, unsigned __int64); 204 void __writegsword(unsigned long, unsigned short); 205 unsigned char _bittest64(__int64 const *, __int64); 206 unsigned char _bittestandcomplement64(__int64 *, __int64); 207 unsigned char _bittestandreset64(__int64 *, __int64); 208 unsigned char _bittestandset64(__int64 *, __int64); 209 long _InterlockedAnd_np(long volatile *_Value, long _Mask); 210 short _InterlockedAnd16_np(short volatile *_Value, short _Mask); 211 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); 212 char _InterlockedAnd8_np(char volatile *_Value, char _Mask); 213 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); 214 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); 215 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, 216 long _Comparand); 217 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination, 218 __int64 _ExchangeHigh, 219 __int64 _ExchangeLow, 220 __int64 *_CompareandResult); 221 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, 222 __int64 _ExchangeHigh, 223 __int64 _ExchangeLow, 224 __int64 *_ComparandResult); 225 short _InterlockedCompareExchange16_np(short volatile *_Destination, 226 short _Exchange, short _Comparand); 227 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, 228 __int64 _Exchange, __int64 _Comparand); 229 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, 230 void *_Exchange, void *_Comparand); 231 long _InterlockedOr_np(long volatile *_Value, long _Mask); 232 short _InterlockedOr16_np(short volatile *_Value, short _Mask); 233 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); 234 char _InterlockedOr8_np(char volatile *_Value, char _Mask); 235 long _InterlockedXor_np(long volatile *_Value, long _Mask); 236 short _InterlockedXor16_np(short volatile *_Value, short _Mask); 237 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); 238 char _InterlockedXor8_np(char volatile *_Value, char _Mask); 239 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); 240 __int64 _sarx_i64(__int64, unsigned int); 241 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); 242 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); 243 __int64 __mulh(__int64, __int64); 244 unsigned __int64 __umulh(unsigned __int64, unsigned __int64); 245 __int64 _mul128(__int64, __int64, __int64*); 246 unsigned __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__) 253 254 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask); 255 unsigned 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__) 275 char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value); 276 char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value); 277 char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value); 278 short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value); 279 short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value); 280 short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value); 281 long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value); 282 long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value); 283 long _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__) 292 short _InterlockedIncrement16_acq(short volatile *_Value); 293 short _InterlockedIncrement16_nf(short volatile *_Value); 294 short _InterlockedIncrement16_rel(short volatile *_Value); 295 long _InterlockedIncrement_acq(long volatile *_Value); 296 long _InterlockedIncrement_nf(long volatile *_Value); 297 long _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__) 306 short _InterlockedDecrement16_acq(short volatile *_Value); 307 short _InterlockedDecrement16_nf(short volatile *_Value); 308 short _InterlockedDecrement16_rel(short volatile *_Value); 309 long _InterlockedDecrement_acq(long volatile *_Value); 310 long _InterlockedDecrement_nf(long volatile *_Value); 311 long _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__) 320 char _InterlockedAnd8_acq(char volatile *_Value, char _Mask); 321 char _InterlockedAnd8_nf(char volatile *_Value, char _Mask); 322 char _InterlockedAnd8_rel(char volatile *_Value, char _Mask); 323 short _InterlockedAnd16_acq(short volatile *_Value, short _Mask); 324 short _InterlockedAnd16_nf(short volatile *_Value, short _Mask); 325 short _InterlockedAnd16_rel(short volatile *_Value, short _Mask); 326 long _InterlockedAnd_acq(long volatile *_Value, long _Mask); 327 long _InterlockedAnd_nf(long volatile *_Value, long _Mask); 328 long _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__) 337 unsigned char _interlockedbittestandset_acq(long volatile *_BitBase, 338 long _BitPos); 339 unsigned char _interlockedbittestandset_nf(long volatile *_BitBase, 340 long _BitPos); 341 unsigned char _interlockedbittestandset_rel(long volatile *_BitBase, 342 long _BitPos); 343 unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase, 344 long _BitPos); 345 unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase, 346 long _BitPos); 347 unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase, 348 long _BitPos); 349 #endif 350 /*----------------------------------------------------------------------------*\ 351 |* Interlocked Or 352 \*----------------------------------------------------------------------------*/ 353 #if defined(__arm__) || defined(__aarch64__) 354 char _InterlockedOr8_acq(char volatile *_Value, char _Mask); 355 char _InterlockedOr8_nf(char volatile *_Value, char _Mask); 356 char _InterlockedOr8_rel(char volatile *_Value, char _Mask); 357 short _InterlockedOr16_acq(short volatile *_Value, short _Mask); 358 short _InterlockedOr16_nf(short volatile *_Value, short _Mask); 359 short _InterlockedOr16_rel(short volatile *_Value, short _Mask); 360 long _InterlockedOr_acq(long volatile *_Value, long _Mask); 361 long _InterlockedOr_nf(long volatile *_Value, long _Mask); 362 long _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__) 371 char _InterlockedXor8_acq(char volatile *_Value, char _Mask); 372 char _InterlockedXor8_nf(char volatile *_Value, char _Mask); 373 char _InterlockedXor8_rel(char volatile *_Value, char _Mask); 374 short _InterlockedXor16_acq(short volatile *_Value, short _Mask); 375 short _InterlockedXor16_nf(short volatile *_Value, short _Mask); 376 short _InterlockedXor16_rel(short volatile *_Value, short _Mask); 377 long _InterlockedXor_acq(long volatile *_Value, long _Mask); 378 long _InterlockedXor_nf(long volatile *_Value, long _Mask); 379 long _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__) 388 char _InterlockedExchange8_acq(char volatile *_Target, char _Value); 389 char _InterlockedExchange8_nf(char volatile *_Target, char _Value); 390 char _InterlockedExchange8_rel(char volatile *_Target, char _Value); 391 short _InterlockedExchange16_acq(short volatile *_Target, short _Value); 392 short _InterlockedExchange16_nf(short volatile *_Target, short _Value); 393 short _InterlockedExchange16_rel(short volatile *_Target, short _Value); 394 long _InterlockedExchange_acq(long volatile *_Target, long _Value); 395 long _InterlockedExchange_nf(long volatile *_Target, long _Value); 396 long _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__) 405 char _InterlockedCompareExchange8_acq(char volatile *_Destination, 406 char _Exchange, char _Comparand); 407 char _InterlockedCompareExchange8_nf(char volatile *_Destination, 408 char _Exchange, char _Comparand); 409 char _InterlockedCompareExchange8_rel(char volatile *_Destination, 410 char _Exchange, char _Comparand); 411 short _InterlockedCompareExchange16_acq(short volatile *_Destination, 412 short _Exchange, short _Comparand); 413 short _InterlockedCompareExchange16_nf(short volatile *_Destination, 414 short _Exchange, short _Comparand); 415 short _InterlockedCompareExchange16_rel(short volatile *_Destination, 416 short _Exchange, short _Comparand); 417 long _InterlockedCompareExchange_acq(long volatile *_Destination, 418 long _Exchange, long _Comparand); 419 long _InterlockedCompareExchange_nf(long volatile *_Destination, 420 long _Exchange, long _Comparand); 421 long _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__) 435 static __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 } 441 static __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 } 449 static __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 } 457 static __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 } 465 static __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__ 475 static __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 } 482 static __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__) 494 static __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 } 499 static __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 } 505 static __inline__ void __DEFAULT_FN_ATTRS __halt(void) { 506 __asm__ volatile("hlt"); 507 } 508 #endif 509 510 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) 511 static __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__) 520 unsigned __int64 __getReg(int); 521 long _InterlockedAdd(long volatile *Addend, long Value); 522 __int64 _ReadStatusReg(int); 523 void _WriteStatusReg(int, __int64); 524 525 unsigned short __cdecl _byteswap_ushort(unsigned short val); 526 unsigned long __cdecl _byteswap_ulong (unsigned long val); 527 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); 528 #endif 529 530 /*----------------------------------------------------------------------------*\ 531 |* Privileged intrinsics 532 \*----------------------------------------------------------------------------*/ 533 #if defined(__i386__) || defined(__x86_64__) 534 static __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 548 549 static __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 } 554 555 static __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