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 short __readfsword(unsigned long); 101 unsigned long __readfsdword(unsigned long); 102 unsigned __int64 __readfsqword(unsigned long); 103 #endif 104 unsigned __int64 __readmsr(unsigned long); 105 unsigned __int64 __readpmc(unsigned long); 106 unsigned long __segmentlimit(unsigned long); 107 void __sidt(void *); 108 void __stosb(unsigned char *, unsigned char, size_t); 109 void __stosd(unsigned long *, unsigned long, size_t); 110 void __stosw(unsigned short *, unsigned short, size_t); 111 void __svm_clgi(void); 112 void __svm_invlpga(void *, int); 113 void __svm_skinit(int); 114 void __svm_stgi(void); 115 void __svm_vmload(size_t); 116 void __svm_vmrun(size_t); 117 void __svm_vmsave(size_t); 118 void __ud2(void); 119 unsigned __int64 __ull_rshift(unsigned __int64, int); 120 void __vmx_off(void); 121 void __vmx_vmptrst(unsigned __int64 *); 122 void __wbinvd(void); 123 void __writecr0(unsigned int); 124 void __writecr3(unsigned __INTPTR_TYPE__); 125 void __writecr4(unsigned int); 126 void __writecr8(unsigned int); 127 void __writedr(unsigned int, unsigned int); 128 void __writefsbyte(unsigned long, unsigned char); 129 void __writefsdword(unsigned long, unsigned long); 130 void __writefsqword(unsigned long, unsigned __int64); 131 void __writefsword(unsigned long, unsigned short); 132 void __writemsr(unsigned long, unsigned __int64); 133 void *_AddressOfReturnAddress(void); 134 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask); 135 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask); 136 unsigned char _bittest(long const *, long); 137 unsigned char _bittestandcomplement(long *, long); 138 unsigned char _bittestandreset(long *, long); 139 unsigned char _bittestandset(long *, long); 140 void __cdecl _disable(void); 141 void __cdecl _enable(void); 142 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value); 143 unsigned char _interlockedbittestandreset(long volatile *, long); 144 unsigned char _interlockedbittestandset(long volatile *, long); 145 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *, 146 void *); 147 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *, 148 void *); 149 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long); 150 long _InterlockedExchangeAdd_HLERelease(long volatile *, long); 151 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64); 152 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64); 153 void _ReadBarrier(void); 154 void _ReadWriteBarrier(void); 155 unsigned int _rorx_u32(unsigned int, const unsigned int); 156 int _sarx_i32(int, unsigned int); 157 #if __STDC_HOSTED__ 158 int __cdecl _setjmp(jmp_buf); 159 #endif 160 unsigned int _shlx_u32(unsigned int, unsigned int); 161 unsigned int _shrx_u32(unsigned int, unsigned int); 162 void _Store_HLERelease(long volatile *, long); 163 void _Store64_HLERelease(__int64 volatile *, __int64); 164 void _StorePointer_HLERelease(void *volatile *, void *); 165 void _WriteBarrier(void); 166 unsigned __int32 xbegin(void); 167 void _xend(void); 168 169 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */ 170 #ifdef __x86_64__ 171 void __addgsbyte(unsigned long, unsigned char); 172 void __addgsdword(unsigned long, unsigned long); 173 void __addgsqword(unsigned long, unsigned __int64); 174 void __addgsword(unsigned long, unsigned short); 175 void __faststorefence(void); 176 void __incgsbyte(unsigned long); 177 void __incgsdword(unsigned long); 178 void __incgsqword(unsigned long); 179 void __incgsword(unsigned long); 180 void __movsq(unsigned long long *, unsigned long long const *, size_t); 181 unsigned char __readgsbyte(unsigned long); 182 unsigned long __readgsdword(unsigned long); 183 unsigned __int64 __readgsqword(unsigned long); 184 unsigned short __readgsword(unsigned long); 185 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart, 186 unsigned __int64 _HighPart, 187 unsigned char _Shift); 188 unsigned __int64 __shiftright128(unsigned __int64 _LowPart, 189 unsigned __int64 _HighPart, 190 unsigned char _Shift); 191 void __stosq(unsigned __int64 *, unsigned __int64, size_t); 192 unsigned char __vmx_on(unsigned __int64 *); 193 unsigned char __vmx_vmclear(unsigned __int64 *); 194 unsigned char __vmx_vmlaunch(void); 195 unsigned char __vmx_vmptrld(unsigned __int64 *); 196 unsigned char __vmx_vmread(size_t, size_t *); 197 unsigned char __vmx_vmresume(void); 198 unsigned char __vmx_vmwrite(size_t, size_t); 199 void __writegsbyte(unsigned long, unsigned char); 200 void __writegsdword(unsigned long, unsigned long); 201 void __writegsqword(unsigned long, unsigned __int64); 202 void __writegsword(unsigned long, unsigned short); 203 unsigned char _bittest64(__int64 const *, __int64); 204 unsigned char _bittestandcomplement64(__int64 *, __int64); 205 unsigned char _bittestandreset64(__int64 *, __int64); 206 unsigned char _bittestandset64(__int64 *, __int64); 207 long _InterlockedAnd_np(long volatile *_Value, long _Mask); 208 short _InterlockedAnd16_np(short volatile *_Value, short _Mask); 209 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask); 210 char _InterlockedAnd8_np(char volatile *_Value, char _Mask); 211 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64); 212 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64); 213 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange, 214 long _Comparand); 215 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination, 216 __int64 _ExchangeHigh, 217 __int64 _ExchangeLow, 218 __int64 *_ComparandResult); 219 short _InterlockedCompareExchange16_np(short volatile *_Destination, 220 short _Exchange, short _Comparand); 221 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination, 222 __int64 _Exchange, __int64 _Comparand); 223 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination, 224 void *_Exchange, void *_Comparand); 225 long _InterlockedOr_np(long volatile *_Value, long _Mask); 226 short _InterlockedOr16_np(short volatile *_Value, short _Mask); 227 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask); 228 char _InterlockedOr8_np(char volatile *_Value, char _Mask); 229 long _InterlockedXor_np(long volatile *_Value, long _Mask); 230 short _InterlockedXor16_np(short volatile *_Value, short _Mask); 231 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask); 232 char _InterlockedXor8_np(char volatile *_Value, char _Mask); 233 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int); 234 __int64 _sarx_i64(__int64, unsigned int); 235 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int); 236 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int); 237 __int64 __mulh(__int64, __int64); 238 unsigned __int64 __umulh(unsigned __int64, unsigned __int64); 239 __int64 _mul128(__int64, __int64, __int64*); 240 unsigned __int64 _umul128(unsigned __int64, 241 unsigned __int64, 242 unsigned __int64*); 243 244 #endif /* __x86_64__ */ 245 246 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) 247 248 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask); 249 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask); 250 251 #endif 252 253 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__) 254 __int64 _InterlockedDecrement64(__int64 volatile *_Addend); 255 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value); 256 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value); 257 __int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value); 258 __int64 _InterlockedIncrement64(__int64 volatile *_Addend); 259 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask); 260 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask); 261 __int64 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask); 262 263 #endif 264 265 /*----------------------------------------------------------------------------*\ 266 |* Interlocked Exchange Add 267 \*----------------------------------------------------------------------------*/ 268 #if defined(__arm__) || defined(__aarch64__) 269 char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value); 270 char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value); 271 char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value); 272 short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value); 273 short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value); 274 short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value); 275 long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value); 276 long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value); 277 long _InterlockedExchangeAdd_rel(long volatile *_Addend, long _Value); 278 __int64 _InterlockedExchangeAdd64_acq(__int64 volatile *_Addend, __int64 _Value); 279 __int64 _InterlockedExchangeAdd64_nf(__int64 volatile *_Addend, __int64 _Value); 280 __int64 _InterlockedExchangeAdd64_rel(__int64 volatile *_Addend, __int64 _Value); 281 #endif 282 /*----------------------------------------------------------------------------*\ 283 |* Interlocked Increment 284 \*----------------------------------------------------------------------------*/ 285 #if defined(__arm__) || defined(__aarch64__) 286 short _InterlockedIncrement16_acq(short volatile *_Value); 287 short _InterlockedIncrement16_nf(short volatile *_Value); 288 short _InterlockedIncrement16_rel(short volatile *_Value); 289 long _InterlockedIncrement_acq(long volatile *_Value); 290 long _InterlockedIncrement_nf(long volatile *_Value); 291 long _InterlockedIncrement_rel(long volatile *_Value); 292 __int64 _InterlockedIncrement64_acq(__int64 volatile *_Value); 293 __int64 _InterlockedIncrement64_nf(__int64 volatile *_Value); 294 __int64 _InterlockedIncrement64_rel(__int64 volatile *_Value); 295 #endif 296 /*----------------------------------------------------------------------------*\ 297 |* Interlocked Decrement 298 \*----------------------------------------------------------------------------*/ 299 #if defined(__arm__) || defined(__aarch64__) 300 short _InterlockedDecrement16_acq(short volatile *_Value); 301 short _InterlockedDecrement16_nf(short volatile *_Value); 302 short _InterlockedDecrement16_rel(short volatile *_Value); 303 long _InterlockedDecrement_acq(long volatile *_Value); 304 long _InterlockedDecrement_nf(long volatile *_Value); 305 long _InterlockedDecrement_rel(long volatile *_Value); 306 __int64 _InterlockedDecrement64_acq(__int64 volatile *_Value); 307 __int64 _InterlockedDecrement64_nf(__int64 volatile *_Value); 308 __int64 _InterlockedDecrement64_rel(__int64 volatile *_Value); 309 #endif 310 /*----------------------------------------------------------------------------*\ 311 |* Interlocked And 312 \*----------------------------------------------------------------------------*/ 313 #if defined(__arm__) || defined(__aarch64__) 314 char _InterlockedAnd8_acq(char volatile *_Value, char _Mask); 315 char _InterlockedAnd8_nf(char volatile *_Value, char _Mask); 316 char _InterlockedAnd8_rel(char volatile *_Value, char _Mask); 317 short _InterlockedAnd16_acq(short volatile *_Value, short _Mask); 318 short _InterlockedAnd16_nf(short volatile *_Value, short _Mask); 319 short _InterlockedAnd16_rel(short volatile *_Value, short _Mask); 320 long _InterlockedAnd_acq(long volatile *_Value, long _Mask); 321 long _InterlockedAnd_nf(long volatile *_Value, long _Mask); 322 long _InterlockedAnd_rel(long volatile *_Value, long _Mask); 323 __int64 _InterlockedAnd64_acq(__int64 volatile *_Value, __int64 _Mask); 324 __int64 _InterlockedAnd64_nf(__int64 volatile *_Value, __int64 _Mask); 325 __int64 _InterlockedAnd64_rel(__int64 volatile *_Value, __int64 _Mask); 326 #endif 327 /*----------------------------------------------------------------------------*\ 328 |* Bit Counting and Testing 329 \*----------------------------------------------------------------------------*/ 330 #if defined(__arm__) || defined(__aarch64__) 331 unsigned char _interlockedbittestandset_acq(long volatile *_BitBase, 332 long _BitPos); 333 unsigned char _interlockedbittestandset_nf(long volatile *_BitBase, 334 long _BitPos); 335 unsigned char _interlockedbittestandset_rel(long volatile *_BitBase, 336 long _BitPos); 337 unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase, 338 long _BitPos); 339 unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase, 340 long _BitPos); 341 unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase, 342 long _BitPos); 343 #endif 344 /*----------------------------------------------------------------------------*\ 345 |* Interlocked Or 346 \*----------------------------------------------------------------------------*/ 347 #if defined(__arm__) || defined(__aarch64__) 348 char _InterlockedOr8_acq(char volatile *_Value, char _Mask); 349 char _InterlockedOr8_nf(char volatile *_Value, char _Mask); 350 char _InterlockedOr8_rel(char volatile *_Value, char _Mask); 351 short _InterlockedOr16_acq(short volatile *_Value, short _Mask); 352 short _InterlockedOr16_nf(short volatile *_Value, short _Mask); 353 short _InterlockedOr16_rel(short volatile *_Value, short _Mask); 354 long _InterlockedOr_acq(long volatile *_Value, long _Mask); 355 long _InterlockedOr_nf(long volatile *_Value, long _Mask); 356 long _InterlockedOr_rel(long volatile *_Value, long _Mask); 357 __int64 _InterlockedOr64_acq(__int64 volatile *_Value, __int64 _Mask); 358 __int64 _InterlockedOr64_nf(__int64 volatile *_Value, __int64 _Mask); 359 __int64 _InterlockedOr64_rel(__int64 volatile *_Value, __int64 _Mask); 360 #endif 361 /*----------------------------------------------------------------------------*\ 362 |* Interlocked Xor 363 \*----------------------------------------------------------------------------*/ 364 #if defined(__arm__) || defined(__aarch64__) 365 char _InterlockedXor8_acq(char volatile *_Value, char _Mask); 366 char _InterlockedXor8_nf(char volatile *_Value, char _Mask); 367 char _InterlockedXor8_rel(char volatile *_Value, char _Mask); 368 short _InterlockedXor16_acq(short volatile *_Value, short _Mask); 369 short _InterlockedXor16_nf(short volatile *_Value, short _Mask); 370 short _InterlockedXor16_rel(short volatile *_Value, short _Mask); 371 long _InterlockedXor_acq(long volatile *_Value, long _Mask); 372 long _InterlockedXor_nf(long volatile *_Value, long _Mask); 373 long _InterlockedXor_rel(long volatile *_Value, long _Mask); 374 __int64 _InterlockedXor64_acq(__int64 volatile *_Value, __int64 _Mask); 375 __int64 _InterlockedXor64_nf(__int64 volatile *_Value, __int64 _Mask); 376 __int64 _InterlockedXor64_rel(__int64 volatile *_Value, __int64 _Mask); 377 #endif 378 /*----------------------------------------------------------------------------*\ 379 |* Interlocked Exchange 380 \*----------------------------------------------------------------------------*/ 381 #if defined(__arm__) || defined(__aarch64__) 382 char _InterlockedExchange8_acq(char volatile *_Target, char _Value); 383 char _InterlockedExchange8_nf(char volatile *_Target, char _Value); 384 char _InterlockedExchange8_rel(char volatile *_Target, char _Value); 385 short _InterlockedExchange16_acq(short volatile *_Target, short _Value); 386 short _InterlockedExchange16_nf(short volatile *_Target, short _Value); 387 short _InterlockedExchange16_rel(short volatile *_Target, short _Value); 388 long _InterlockedExchange_acq(long volatile *_Target, long _Value); 389 long _InterlockedExchange_nf(long volatile *_Target, long _Value); 390 long _InterlockedExchange_rel(long volatile *_Target, long _Value); 391 __int64 _InterlockedExchange64_acq(__int64 volatile *_Target, __int64 _Value); 392 __int64 _InterlockedExchange64_nf(__int64 volatile *_Target, __int64 _Value); 393 __int64 _InterlockedExchange64_rel(__int64 volatile *_Target, __int64 _Value); 394 #endif 395 /*----------------------------------------------------------------------------*\ 396 |* Interlocked Compare Exchange 397 \*----------------------------------------------------------------------------*/ 398 #if defined(__arm__) || defined(__aarch64__) 399 char _InterlockedCompareExchange8_acq(char volatile *_Destination, 400 char _Exchange, char _Comparand); 401 char _InterlockedCompareExchange8_nf(char volatile *_Destination, 402 char _Exchange, char _Comparand); 403 char _InterlockedCompareExchange8_rel(char volatile *_Destination, 404 char _Exchange, char _Comparand); 405 short _InterlockedCompareExchange16_acq(short volatile *_Destination, 406 short _Exchange, short _Comparand); 407 short _InterlockedCompareExchange16_nf(short volatile *_Destination, 408 short _Exchange, short _Comparand); 409 short _InterlockedCompareExchange16_rel(short volatile *_Destination, 410 short _Exchange, short _Comparand); 411 long _InterlockedCompareExchange_acq(long volatile *_Destination, 412 long _Exchange, long _Comparand); 413 long _InterlockedCompareExchange_nf(long volatile *_Destination, 414 long _Exchange, long _Comparand); 415 long _InterlockedCompareExchange_rel(long volatile *_Destination, 416 long _Exchange, long _Comparand); 417 __int64 _InterlockedCompareExchange64_acq(__int64 volatile *_Destination, 418 __int64 _Exchange, __int64 _Comparand); 419 __int64 _InterlockedCompareExchange64_nf(__int64 volatile *_Destination, 420 __int64 _Exchange, __int64 _Comparand); 421 __int64 _InterlockedCompareExchange64_rel(__int64 volatile *_Destination, 422 __int64 _Exchange, __int64 _Comparand); 423 #endif 424 #if defined(__x86_64__) || defined(__aarch64__) 425 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination, 426 __int64 _ExchangeHigh, 427 __int64 _ExchangeLow, 428 __int64 *_ComparandResult); 429 #endif 430 #if defined(__aarch64__) 431 unsigned char _InterlockedCompareExchange128_acq(__int64 volatile *_Destination, 432 __int64 _ExchangeHigh, 433 __int64 _ExchangeLow, 434 __int64 *_ComparandResult); 435 unsigned char _InterlockedCompareExchange128_nf(__int64 volatile *_Destination, 436 __int64 _ExchangeHigh, 437 __int64 _ExchangeLow, 438 __int64 *_ComparandResult); 439 unsigned char _InterlockedCompareExchange128_rel(__int64 volatile *_Destination, 440 __int64 _ExchangeHigh, 441 __int64 _ExchangeLow, 442 __int64 *_ComparandResult); 443 #endif 444 445 /*----------------------------------------------------------------------------*\ 446 |* movs, stos 447 \*----------------------------------------------------------------------------*/ 448 #if defined(__i386__) || defined(__x86_64__) 449 static __inline__ void __DEFAULT_FN_ATTRS __movsb(unsigned char *__dst, 450 unsigned char const *__src, 451 size_t __n) { 452 #if defined(__x86_64__) 453 __asm__ __volatile__("rep movsb" 454 : "+D"(__dst), "+S"(__src), "+c"(__n) 455 : 456 : "memory"); 457 #else 458 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" 459 "rep movsb\n" 460 "xchg {%%esi, %1|%1, esi}" 461 : "+D"(__dst), "+r"(__src), "+c"(__n) 462 : 463 : "memory"); 464 #endif 465 } 466 static __inline__ void __DEFAULT_FN_ATTRS __movsd(unsigned long *__dst, 467 unsigned long const *__src, 468 size_t __n) { 469 #if defined(__x86_64__) 470 __asm__ __volatile__("rep movs{l|d}" 471 : "+D"(__dst), "+S"(__src), "+c"(__n) 472 : 473 : "memory"); 474 #else 475 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" 476 "rep movs{l|d}\n" 477 "xchg {%%esi, %1|%1, esi}" 478 : "+D"(__dst), "+r"(__src), "+c"(__n) 479 : 480 : "memory"); 481 #endif 482 } 483 static __inline__ void __DEFAULT_FN_ATTRS __movsw(unsigned short *__dst, 484 unsigned short const *__src, 485 size_t __n) { 486 #if defined(__x86_64__) 487 __asm__ __volatile__("rep movsw" 488 : "+D"(__dst), "+S"(__src), "+c"(__n) 489 : 490 : "memory"); 491 #else 492 __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n" 493 "rep movsw\n" 494 "xchg {%%esi, %1|%1, esi}" 495 : "+D"(__dst), "+r"(__src), "+c"(__n) 496 : 497 : "memory"); 498 #endif 499 } 500 static __inline__ void __DEFAULT_FN_ATTRS __stosd(unsigned long *__dst, 501 unsigned long __x, 502 size_t __n) { 503 __asm__ __volatile__("rep stos{l|d}" 504 : "+D"(__dst), "+c"(__n) 505 : "a"(__x) 506 : "memory"); 507 } 508 static __inline__ void __DEFAULT_FN_ATTRS __stosw(unsigned short *__dst, 509 unsigned short __x, 510 size_t __n) { 511 __asm__ __volatile__("rep stosw" 512 : "+D"(__dst), "+c"(__n) 513 : "a"(__x) 514 : "memory"); 515 } 516 #endif 517 #ifdef __x86_64__ 518 static __inline__ void __DEFAULT_FN_ATTRS __movsq( 519 unsigned long long *__dst, unsigned long long const *__src, size_t __n) { 520 __asm__ __volatile__("rep movsq" 521 : "+D"(__dst), "+S"(__src), "+c"(__n) 522 : 523 : "memory"); 524 } 525 static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned __int64 *__dst, 526 unsigned __int64 __x, 527 size_t __n) { 528 __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x) 529 : "memory"); 530 } 531 #endif 532 533 /*----------------------------------------------------------------------------*\ 534 |* Misc 535 \*----------------------------------------------------------------------------*/ 536 #if defined(__i386__) || defined(__x86_64__) 537 #if defined(__i386__) 538 #define __cpuid_count(__leaf, __count, __eax, __ebx, __ecx, __edx) \ 539 __asm("cpuid" \ 540 : "=a"(__eax), "=b"(__ebx), "=c"(__ecx), "=d"(__edx) \ 541 : "0"(__leaf), "2"(__count)) 542 #else 543 /* x86-64 uses %rbx as the base register, so preserve it. */ 544 #define __cpuid_count(__leaf, __count, __eax, __ebx, __ecx, __edx) \ 545 __asm("xchg{q} {%%rbx, %q1|%q1, rbx}\n" \ 546 "cpuid\n" \ 547 "xchg{q} {%%rbx, %q1|%q1, rbx}" \ 548 : "=a"(__eax), "=r"(__ebx), "=c"(__ecx), "=d"(__edx) \ 549 : "0"(__leaf), "2"(__count)) 550 #endif 551 static __inline__ void __DEFAULT_FN_ATTRS __cpuid(int __info[4], int __level) { 552 __cpuid_count(__level, 0, __info[0], __info[1], __info[2], __info[3]); 553 } 554 static __inline__ void __DEFAULT_FN_ATTRS __cpuidex(int __info[4], int __level, 555 int __ecx) { 556 __cpuid_count(__level, __ecx, __info[0], __info[1], __info[2], __info[3]); 557 } 558 static __inline__ void __DEFAULT_FN_ATTRS __halt(void) { 559 __asm__ volatile("hlt"); 560 } 561 #endif 562 563 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) 564 static __inline__ void __DEFAULT_FN_ATTRS __nop(void) { 565 __asm__ volatile("nop"); 566 } 567 #endif 568 569 /*----------------------------------------------------------------------------*\ 570 |* MS AArch64 specific 571 \*----------------------------------------------------------------------------*/ 572 #if defined(__aarch64__) 573 unsigned __int64 __getReg(int); 574 long _InterlockedAdd(long volatile *Addend, long Value); 575 __int64 _ReadStatusReg(int); 576 void _WriteStatusReg(int, __int64); 577 578 unsigned short __cdecl _byteswap_ushort(unsigned short val); 579 unsigned long __cdecl _byteswap_ulong (unsigned long val); 580 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val); 581 582 __int64 __mulh(__int64 __a, __int64 __b); 583 unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b); 584 #endif 585 586 /*----------------------------------------------------------------------------*\ 587 |* Privileged intrinsics 588 \*----------------------------------------------------------------------------*/ 589 #if defined(__i386__) || defined(__x86_64__) 590 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS 591 __readmsr(unsigned long __register) { 592 // Loads the contents of a 64-bit model specific register (MSR) specified in 593 // the ECX register into registers EDX:EAX. The EDX register is loaded with 594 // the high-order 32 bits of the MSR and the EAX register is loaded with the 595 // low-order 32 bits. If less than 64 bits are implemented in the MSR being 596 // read, the values returned to EDX:EAX in unimplemented bit locations are 597 // undefined. 598 unsigned long __edx; 599 unsigned long __eax; 600 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register)); 601 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax; 602 } 603 #endif 604 605 static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS __readcr3(void) { 606 unsigned __LPTRINT_TYPE__ __cr3_val; 607 __asm__ __volatile__( 608 "mov {%%cr3, %0|%0, cr3}" 609 : "=r"(__cr3_val) 610 : 611 : "memory"); 612 return __cr3_val; 613 } 614 615 static __inline__ void __DEFAULT_FN_ATTRS 616 __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) { 617 __asm__ ("mov {%0, %%cr3|cr3, %0}" : : "r"(__cr3_val) : "memory"); 618 } 619 620 #ifdef __cplusplus 621 } 622 #endif 623 624 #undef __LPTRINT_TYPE__ 625 626 #undef __DEFAULT_FN_ATTRS 627 628 #endif /* __INTRIN_H */ 629 #endif /* _MSC_VER */ 630