clang  14.0.0git
intrin.h
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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\nrep movsb\nxchg %%esi, %1"
459  : "+D"(__dst), "+r"(__src), "+c"(__n)
460  :
461  : "memory");
462 #endif
463 }
464 static __inline__ void __DEFAULT_FN_ATTRS __movsd(unsigned long *__dst,
465  unsigned long const *__src,
466  size_t __n) {
467 #if defined(__x86_64__)
468  __asm__ __volatile__("rep movsl"
469  : "+D"(__dst), "+S"(__src), "+c"(__n)
470  :
471  : "memory");
472 #else
473  __asm__ __volatile__("xchg %%esi, %1\nrep movsl\nxchg %%esi, %1"
474  : "+D"(__dst), "+r"(__src), "+c"(__n)
475  :
476  : "memory");
477 #endif
478 }
479 static __inline__ void __DEFAULT_FN_ATTRS __movsw(unsigned short *__dst,
480  unsigned short const *__src,
481  size_t __n) {
482 #if defined(__x86_64__)
483  __asm__ __volatile__("rep movsw"
484  : "+D"(__dst), "+S"(__src), "+c"(__n)
485  :
486  : "memory");
487 #else
488  __asm__ __volatile__("xchg %%esi, %1\nrep movsw\nxchg %%esi, %1"
489  : "+D"(__dst), "+r"(__src), "+c"(__n)
490  :
491  : "memory");
492 #endif
493 }
494 static __inline__ void __DEFAULT_FN_ATTRS __stosd(unsigned long *__dst,
495  unsigned long __x,
496  size_t __n) {
497  __asm__ __volatile__("rep stosl"
498  : "+D"(__dst), "+c"(__n)
499  : "a"(__x)
500  : "memory");
501 }
502 static __inline__ void __DEFAULT_FN_ATTRS __stosw(unsigned short *__dst,
503  unsigned short __x,
504  size_t __n) {
505  __asm__ __volatile__("rep stosw"
506  : "+D"(__dst), "+c"(__n)
507  : "a"(__x)
508  : "memory");
509 }
510 #endif
511 #ifdef __x86_64__
512 static __inline__ void __DEFAULT_FN_ATTRS __movsq(
513  unsigned long long *__dst, unsigned long long const *__src, size_t __n) {
514  __asm__ __volatile__("rep movsq"
515  : "+D"(__dst), "+S"(__src), "+c"(__n)
516  :
517  : "memory");
518 }
519 static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned __int64 *__dst,
520  unsigned __int64 __x,
521  size_t __n) {
522  __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x)
523  : "memory");
524 }
525 #endif
526 
527 /*----------------------------------------------------------------------------*\
528 |* Misc
529 \*----------------------------------------------------------------------------*/
530 #if defined(__i386__) || defined(__x86_64__)
531 #if defined(__i386__)
532 #define __cpuid_count(__leaf, __count, __eax, __ebx, __ecx, __edx) \
533  __asm("cpuid" \
534  : "=a"(__eax), "=b"(__ebx), "=c"(__ecx), "=d"(__edx) \
535  : "0"(__leaf), "2"(__count))
536 #else
537 /* x86-64 uses %rbx as the base register, so preserve it. */
538 #define __cpuid_count(__leaf, __count, __eax, __ebx, __ecx, __edx) \
539  __asm("xchgq %%rbx,%q1\n" \
540  "cpuid\n" \
541  "xchgq %%rbx,%q1" \
542  : "=a"(__eax), "=r"(__ebx), "=c"(__ecx), "=d"(__edx) \
543  : "0"(__leaf), "2"(__count))
544 #endif
545 static __inline__ void __DEFAULT_FN_ATTRS __cpuid(int __info[4], int __level) {
546  __cpuid_count(__level, 0, __info[0], __info[1], __info[2], __info[3]);
547 }
548 static __inline__ void __DEFAULT_FN_ATTRS __cpuidex(int __info[4], int __level,
549  int __ecx) {
550  __cpuid_count(__level, __ecx, __info[0], __info[1], __info[2], __info[3]);
551 }
552 static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
553  __asm__ volatile("hlt");
554 }
555 #endif
556 
557 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
558 static __inline__ void __DEFAULT_FN_ATTRS __nop(void) {
559  __asm__ volatile("nop");
560 }
561 #endif
562 
563 /*----------------------------------------------------------------------------*\
564 |* MS AArch64 specific
565 \*----------------------------------------------------------------------------*/
566 #if defined(__aarch64__)
567 unsigned __int64 __getReg(int);
568 long _InterlockedAdd(long volatile *Addend, long Value);
569 __int64 _ReadStatusReg(int);
570 void _WriteStatusReg(int, __int64);
571 
572 unsigned short __cdecl _byteswap_ushort(unsigned short val);
573 unsigned long __cdecl _byteswap_ulong (unsigned long val);
574 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val);
575 
576 __int64 __mulh(__int64 __a, __int64 __b);
577 unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b);
578 #endif
579 
580 /*----------------------------------------------------------------------------*\
581 |* Privileged intrinsics
582 \*----------------------------------------------------------------------------*/
583 #if defined(__i386__) || defined(__x86_64__)
584 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
585 __readmsr(unsigned long __register) {
586  // Loads the contents of a 64-bit model specific register (MSR) specified in
587  // the ECX register into registers EDX:EAX. The EDX register is loaded with
588  // the high-order 32 bits of the MSR and the EAX register is loaded with the
589  // low-order 32 bits. If less than 64 bits are implemented in the MSR being
590  // read, the values returned to EDX:EAX in unimplemented bit locations are
591  // undefined.
592  unsigned long __edx;
593  unsigned long __eax;
594  __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));
595  return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;
596 }
597 #endif
598 
599 static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS __readcr3(void) {
600  unsigned __LPTRINT_TYPE__ __cr3_val;
601  __asm__ __volatile__ ("mov %%cr3, %0" : "=r"(__cr3_val) : : "memory");
602  return __cr3_val;
603 }
604 
605 static __inline__ void __DEFAULT_FN_ATTRS
606 __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) {
607  __asm__ ("mov %0, %%cr3" : : "r"(__cr3_val) : "memory");
608 }
609 
610 #ifdef __cplusplus
611 }
612 #endif
613 
614 #undef __LPTRINT_TYPE__
615 
616 #undef __DEFAULT_FN_ATTRS
617 
618 #endif /* __INTRIN_H */
619 #endif /* _MSC_VER */
__x
static __inline unsigned char unsigned int __x
Definition: adxintrin.h:22
__a
static __inline__ void int __a
Definition: emmintrin.h:4189
__DEFAULT_FN_ATTRS
#define __DEFAULT_FN_ATTRS
Definition: __wmmintrin_aes.h:18
_xend
static __inline__ void __DEFAULT_FN_ATTRS _xend(void)
Definition: rtmintrin.h:36
__cpuid
#define __cpuid(__leaf, __eax, __ebx, __ecx, __edx)
Definition: cpuid.h:248
__src
static __inline__ void const void * __src
Definition: movdirintrin.h:45
x86intrin.h
Value
Value
Definition: UninitializedValues.cpp:102
arm64intr.h
__b
static __inline__ vector float vector float __b
Definition: altivec.h:566
armintr.h
__cpuid_count
#define __cpuid_count(__leaf, __count, __eax, __ebx, __ecx, __edx)
Definition: cpuid.h:255