1 /* ===-------- Intrin.h ---------------------------------------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23
24 /* Only include this if we're compiling for the windows platform. */
25 #ifndef _MSC_VER
26 #include_next <Intrin.h>
27 #else
28
29 #ifndef __INTRIN_H
30 #define __INTRIN_H
31
32 /* First include the standard intrinsics. */
33 #if defined(__i386__) || defined(__x86_64__)
34 #include <x86intrin.h>
35 #endif
36
37 /* For the definition of jmp_buf. */
38 #if __STDC_HOSTED__
39 #include <setjmp.h>
40 #endif
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 #if defined(__MMX__)
47 /* And the random ones that aren't in those files. */
48 __m64 _m_from_float(float);
49 __m64 _m_from_int(int _l);
50 void _m_prefetch(void *);
51 float _m_to_float(__m64);
52 int _m_to_int(__m64 _M);
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 static __inline__
61 void __cpuid(int[4], int);
62 static __inline__
63 void __cpuidex(int[4], int, int);
64 void __debugbreak(void);
65 __int64 __emul(int, int);
66 unsigned __int64 __emulu(unsigned int, unsigned int);
67 void __cdecl __fastfail(unsigned int);
68 unsigned int __getcallerseflags(void);
69 static __inline__
70 void __halt(void);
71 unsigned char __inbyte(unsigned short);
72 void __inbytestring(unsigned short, unsigned char *, unsigned long);
73 void __incfsbyte(unsigned long);
74 void __incfsdword(unsigned long);
75 void __incfsword(unsigned long);
76 unsigned long __indword(unsigned short);
77 void __indwordstring(unsigned short, unsigned long *, unsigned long);
78 void __int2c(void);
79 void __invlpg(void *);
80 unsigned short __inword(unsigned short);
81 void __inwordstring(unsigned short, unsigned short *, unsigned long);
82 void __lidt(void *);
83 unsigned __int64 __ll_lshift(unsigned __int64, int);
84 __int64 __ll_rshift(__int64, int);
85 void __llwpcb(void *);
86 unsigned char __lwpins32(unsigned int, unsigned int, unsigned int);
87 void __lwpval32(unsigned int, unsigned int, unsigned int);
88 unsigned int __lzcnt(unsigned int);
89 unsigned short __lzcnt16(unsigned short);
90 static __inline__
91 void __movsb(unsigned char *, unsigned char const *, size_t);
92 static __inline__
93 void __movsd(unsigned long *, unsigned long const *, size_t);
94 static __inline__
95 void __movsw(unsigned short *, unsigned short const *, size_t);
96 void __nop(void);
97 void __nvreg_restore_fence(void);
98 void __nvreg_save_fence(void);
99 void __outbyte(unsigned short, unsigned char);
100 void __outbytestring(unsigned short, unsigned char *, unsigned long);
101 void __outdword(unsigned short, unsigned long);
102 void __outdwordstring(unsigned short, unsigned long *, unsigned long);
103 void __outword(unsigned short, unsigned short);
104 void __outwordstring(unsigned short, unsigned short *, unsigned long);
105 static __inline__
106 unsigned int __popcnt(unsigned int);
107 static __inline__
108 unsigned short __popcnt16(unsigned short);
109 unsigned long __readcr0(void);
110 unsigned long __readcr2(void);
111 static __inline__
112 unsigned long __readcr3(void);
113 unsigned long __readcr4(void);
114 unsigned long __readcr8(void);
115 unsigned int __readdr(unsigned int);
116 #ifdef __i386__
117 static __inline__
118 unsigned char __readfsbyte(unsigned long);
119 static __inline__
120 unsigned long __readfsdword(unsigned long);
121 static __inline__
122 unsigned __int64 __readfsqword(unsigned long);
123 static __inline__
124 unsigned short __readfsword(unsigned long);
125 #endif
126 static __inline__
127 unsigned __int64 __readmsr(unsigned long);
128 unsigned __int64 __readpmc(unsigned long);
129 unsigned long __segmentlimit(unsigned long);
130 void __sidt(void *);
131 void *__slwpcb(void);
132 static __inline__
133 void __stosb(unsigned char *, unsigned char, size_t);
134 static __inline__
135 void __stosd(unsigned long *, unsigned long, size_t);
136 static __inline__
137 void __stosw(unsigned short *, unsigned short, size_t);
138 void __svm_clgi(void);
139 void __svm_invlpga(void *, int);
140 void __svm_skinit(int);
141 void __svm_stgi(void);
142 void __svm_vmload(size_t);
143 void __svm_vmrun(size_t);
144 void __svm_vmsave(size_t);
145 void __ud2(void);
146 unsigned __int64 __ull_rshift(unsigned __int64, int);
147 void __vmx_off(void);
148 void __vmx_vmptrst(unsigned __int64 *);
149 void __wbinvd(void);
150 void __writecr0(unsigned int);
151 static __inline__
152 void __writecr3(unsigned int);
153 void __writecr4(unsigned int);
154 void __writecr8(unsigned int);
155 void __writedr(unsigned int, unsigned int);
156 void __writefsbyte(unsigned long, unsigned char);
157 void __writefsdword(unsigned long, unsigned long);
158 void __writefsqword(unsigned long, unsigned __int64);
159 void __writefsword(unsigned long, unsigned short);
160 void __writemsr(unsigned long, unsigned __int64);
161 static __inline__
162 void *_AddressOfReturnAddress(void);
163 unsigned int _andn_u32(unsigned int, unsigned int);
164 unsigned int _bextr_u32(unsigned int, unsigned int, unsigned int);
165 unsigned int _bextri_u32(unsigned int, unsigned int);
166 static __inline__
167 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask);
168 static __inline__
169 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask);
170 static __inline__
171 unsigned char _bittest(long const *, long);
172 static __inline__
173 unsigned char _bittestandcomplement(long *, long);
174 static __inline__
175 unsigned char _bittestandreset(long *, long);
176 static __inline__
177 unsigned char _bittestandset(long *, long);
178 unsigned int _blcfill_u32(unsigned int);
179 unsigned int _blci_u32(unsigned int);
180 unsigned int _blcic_u32(unsigned int);
181 unsigned int _blcmsk_u32(unsigned int);
182 unsigned int _blcs_u32(unsigned int);
183 unsigned int _blsfill_u32(unsigned int);
184 unsigned int _blsi_u32(unsigned int);
185 unsigned int _blsic_u32(unsigned int);
186 unsigned int _blsmsk_u32(unsigned int);
187 unsigned int _blsr_u32(unsigned int);
188 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64);
189 unsigned long __cdecl _byteswap_ulong(unsigned long);
190 unsigned short __cdecl _byteswap_ushort(unsigned short);
191 unsigned _bzhi_u32(unsigned int, unsigned int);
192 void __cdecl _disable(void);
193 void __cdecl _enable(void);
194 void __cdecl _fxrstor(void const *);
195 void __cdecl _fxsave(void *);
196 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value);
197 static __inline__
198 long _InterlockedAnd(long volatile *_Value, long _Mask);
199 static __inline__
200 short _InterlockedAnd16(short volatile *_Value, short _Mask);
201 static __inline__
202 char _InterlockedAnd8(char volatile *_Value, char _Mask);
203 unsigned char _interlockedbittestandreset(long volatile *, long);
204 static __inline__
205 unsigned char _interlockedbittestandset(long volatile *, long);
206 static __inline__
207 long __cdecl _InterlockedCompareExchange(long volatile *_Destination,
208 long _Exchange, long _Comparand);
209 long _InterlockedCompareExchange_HLEAcquire(long volatile *, long, long);
210 long _InterlockedCompareExchange_HLERelease(long volatile *, long, long);
211 static __inline__
212 short _InterlockedCompareExchange16(short volatile *_Destination,
213 short _Exchange, short _Comparand);
214 static __inline__
215 __int64 _InterlockedCompareExchange64(__int64 volatile *_Destination,
216 __int64 _Exchange, __int64 _Comparand);
217 __int64 _InterlockedcompareExchange64_HLEAcquire(__int64 volatile *, __int64,
218 __int64);
219 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64,
220 __int64);
221 static __inline__
222 char _InterlockedCompareExchange8(char volatile *_Destination, char _Exchange,
223 char _Comparand);
224 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *,
225 void *);
226 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *,
227 void *);
228 static __inline__
229 long __cdecl _InterlockedDecrement(long volatile *_Addend);
230 static __inline__
231 short _InterlockedDecrement16(short volatile *_Addend);
232 long _InterlockedExchange(long volatile *_Target, long _Value);
233 static __inline__
234 short _InterlockedExchange16(short volatile *_Target, short _Value);
235 static __inline__
236 char _InterlockedExchange8(char volatile *_Target, char _Value);
237 static __inline__
238 long __cdecl _InterlockedExchangeAdd(long volatile *_Addend, long _Value);
239 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long);
240 long _InterlockedExchangeAdd_HLERelease(long volatile *, long);
241 static __inline__
242 short _InterlockedExchangeAdd16(short volatile *_Addend, short _Value);
243 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64);
244 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64);
245 static __inline__
246 char _InterlockedExchangeAdd8(char volatile *_Addend, char _Value);
247 static __inline__
248 long __cdecl _InterlockedIncrement(long volatile *_Addend);
249 static __inline__
250 short _InterlockedIncrement16(short volatile *_Addend);
251 static __inline__
252 long _InterlockedOr(long volatile *_Value, long _Mask);
253 static __inline__
254 short _InterlockedOr16(short volatile *_Value, short _Mask);
255 static __inline__
256 char _InterlockedOr8(char volatile *_Value, char _Mask);
257 static __inline__
258 long _InterlockedXor(long volatile *_Value, long _Mask);
259 static __inline__
260 short _InterlockedXor16(short volatile *_Value, short _Mask);
261 static __inline__
262 char _InterlockedXor8(char volatile *_Value, char _Mask);
263 void __cdecl _invpcid(unsigned int, void *);
264 static __inline__
265 unsigned long __cdecl _lrotl(unsigned long, int);
266 static __inline__
267 unsigned long __cdecl _lrotr(unsigned long, int);
268 static __inline__
269 unsigned int _lzcnt_u32(unsigned int);
270 static __inline__
271 void _ReadBarrier(void);
272 static __inline__
273 void _ReadWriteBarrier(void);
274 static __inline__
275 void *_ReturnAddress(void);
276 unsigned int _rorx_u32(unsigned int, const unsigned int);
277 int __cdecl _rdrand16_step(unsigned short *);
278 int __cdecl _rdrand32_step(unsigned int *);
279 static __inline__
280 unsigned int __cdecl _rotl(unsigned int _Value, int _Shift);
281 static __inline__
282 unsigned short _rotl16(unsigned short _Value, unsigned char _Shift);
283 static __inline__
284 unsigned __int64 __cdecl _rotl64(unsigned __int64 _Value, int _Shift);
285 static __inline__
286 unsigned char _rotl8(unsigned char _Value, unsigned char _Shift);
287 static __inline__
288 unsigned int __cdecl _rotr(unsigned int _Value, int _Shift);
289 static __inline__
290 unsigned short _rotr16(unsigned short _Value, unsigned char _Shift);
291 static __inline__
292 unsigned __int64 __cdecl _rotr64(unsigned __int64 _Value, int _Shift);
293 static __inline__
294 unsigned char _rotr8(unsigned char _Value, unsigned char _Shift);
295 int _sarx_i32(int, unsigned int);
296 #if __STDC_HOSTED__
297 int __cdecl _setjmp(jmp_buf);
298 #endif
299 unsigned int _shlx_u32(unsigned int, unsigned int);
300 unsigned int _shrx_u32(unsigned int, unsigned int);
301 void _Store_HLERelease(long volatile *, long);
302 void _Store64_HLERelease(__int64 volatile *, __int64);
303 void _StorePointer_HLERelease(void *volatile *, void *);
304 unsigned int _t1mskc_u32(unsigned int);
305 unsigned int _tzcnt_u32(unsigned int);
306 unsigned int _tzmsk_u32(unsigned int);
307 static __inline__
308 void _WriteBarrier(void);
309 void _xabort(const unsigned int imm);
310 unsigned __int32 xbegin(void);
311 void _xend(void);
312 static __inline__
313 unsigned __int64 __cdecl _xgetbv(unsigned int);
314 void __cdecl _xrstor(void const *, unsigned __int64);
315 void __cdecl _xsave(void *, unsigned __int64);
316 void __cdecl _xsaveopt(void *, unsigned __int64);
317 void __cdecl _xsetbv(unsigned int, unsigned __int64);
318 unsigned char _xtest(void);
319
320 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */
321 #ifdef __x86_64__
322 void __addgsbyte(unsigned long, unsigned char);
323 void __addgsdword(unsigned long, unsigned long);
324 void __addgsqword(unsigned long, unsigned __int64);
325 void __addgsword(unsigned long, unsigned short);
326 static __inline__
327 void __faststorefence(void);
328 void __incgsbyte(unsigned long);
329 void __incgsdword(unsigned long);
330 void __incgsqword(unsigned long);
331 void __incgsword(unsigned long);
332 unsigned char __lwpins64(unsigned __int64, unsigned int, unsigned int);
333 void __lwpval64(unsigned __int64, unsigned int, unsigned int);
334 unsigned __int64 __lzcnt64(unsigned __int64);
335 static __inline__
336 void __movsq(unsigned long long *, unsigned long long const *, size_t);
337 __int64 __mulh(__int64, __int64);
338 static __inline__
339 unsigned __int64 __popcnt64(unsigned __int64);
340 static __inline__
341 unsigned char __readgsbyte(unsigned long);
342 static __inline__
343 unsigned long __readgsdword(unsigned long);
344 static __inline__
345 unsigned __int64 __readgsqword(unsigned long);
346 unsigned short __readgsword(unsigned long);
347 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart,
348 unsigned __int64 _HighPart,
349 unsigned char _Shift);
350 unsigned __int64 __shiftright128(unsigned __int64 _LowPart,
351 unsigned __int64 _HighPart,
352 unsigned char _Shift);
353 static __inline__
354 void __stosq(unsigned __int64 *, unsigned __int64, size_t);
355 unsigned __int64 __umulh(unsigned __int64, unsigned __int64);
356 unsigned char __vmx_on(unsigned __int64 *);
357 unsigned char __vmx_vmclear(unsigned __int64 *);
358 unsigned char __vmx_vmlaunch(void);
359 unsigned char __vmx_vmptrld(unsigned __int64 *);
360 unsigned char __vmx_vmread(size_t, size_t *);
361 unsigned char __vmx_vmresume(void);
362 unsigned char __vmx_vmwrite(size_t, size_t);
363 void __writegsbyte(unsigned long, unsigned char);
364 void __writegsdword(unsigned long, unsigned long);
365 void __writegsqword(unsigned long, unsigned __int64);
366 void __writegsword(unsigned long, unsigned short);
367 unsigned __int64 _andn_u64(unsigned __int64, unsigned __int64);
368 unsigned __int64 _bextr_u64(unsigned __int64, unsigned int, unsigned int);
369 unsigned __int64 _bextri_u64(unsigned __int64, unsigned int);
370 static __inline__
371 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask);
372 static __inline__
373 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask);
374 static __inline__
375 unsigned char _bittest64(__int64 const *, __int64);
376 static __inline__
377 unsigned char _bittestandcomplement64(__int64 *, __int64);
378 static __inline__
379 unsigned char _bittestandreset64(__int64 *, __int64);
380 static __inline__
381 unsigned char _bittestandset64(__int64 *, __int64);
382 unsigned __int64 _blcfill_u64(unsigned __int64);
383 unsigned __int64 _blci_u64(unsigned __int64);
384 unsigned __int64 _blcic_u64(unsigned __int64);
385 unsigned __int64 _blcmsk_u64(unsigned __int64);
386 unsigned __int64 _blcs_u64(unsigned __int64);
387 unsigned __int64 _blsfill_u64(unsigned __int64);
388 unsigned __int64 _blsi_u64(unsigned __int64);
389 unsigned __int64 _blsic_u64(unsigned __int64);
390 unsigned __int64 _blsmsk_u64(unsigned __int64);
391 unsigned __int64 _blsr_u64(unsigned __int64);
392 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64);
393 unsigned __int64 _bzhi_u64(unsigned __int64, unsigned int);
394 void __cdecl _fxrstor64(void const *);
395 void __cdecl _fxsave64(void *);
396 long _InterlockedAnd_np(long volatile *_Value, long _Mask);
397 short _InterlockedAnd16_np(short volatile *_Value, short _Mask);
398 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask);
399 char _InterlockedAnd8_np(char volatile *_Value, char _Mask);
400 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64);
401 static __inline__
402 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64);
403 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange,
404 long _Comparand);
405 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination,
406 __int64 _ExchangeHigh,
407 __int64 _ExchangeLow,
408 __int64 *_CompareandResult);
409 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination,
410 __int64 _ExchangeHigh,
411 __int64 _ExchangeLow,
412 __int64 *_ComparandResult);
413 short _InterlockedCompareExchange16_np(short volatile *_Destination,
414 short _Exchange, short _Comparand);
415 __int64 _InterlockedCompareExchange64_HLEAcquire(__int64 volatile *, __int64,
416 __int64);
417 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64,
418 __int64);
419 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination,
420 __int64 _Exchange, __int64 _Comparand);
421 void *_InterlockedCompareExchangePointer(void *volatile *_Destination,
422 void *_Exchange, void *_Comparand);
423 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination,
424 void *_Exchange, void *_Comparand);
425 static __inline__
426 __int64 _InterlockedDecrement64(__int64 volatile *_Addend);
427 static __inline__
428 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value);
429 static __inline__
430 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value);
431 void *_InterlockedExchangePointer(void *volatile *_Target, void *_Value);
432 static __inline__
433 __int64 _InterlockedIncrement64(__int64 volatile *_Addend);
434 long _InterlockedOr_np(long volatile *_Value, long _Mask);
435 short _InterlockedOr16_np(short volatile *_Value, short _Mask);
436 static __inline__
437 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask);
438 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask);
439 char _InterlockedOr8_np(char volatile *_Value, char _Mask);
440 long _InterlockedXor_np(long volatile *_Value, long _Mask);
441 short _InterlockedXor16_np(short volatile *_Value, short _Mask);
442 static __inline__
443 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask);
444 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask);
445 char _InterlockedXor8_np(char volatile *_Value, char _Mask);
446 static __inline__
447 unsigned __int64 _lzcnt_u64(unsigned __int64);
448 __int64 _mul128(__int64 _Multiplier, __int64 _Multiplicand,
449 __int64 *_HighProduct);
450 unsigned int __cdecl _readfsbase_u32(void);
451 unsigned __int64 __cdecl _readfsbase_u64(void);
452 unsigned int __cdecl _readgsbase_u32(void);
453 unsigned __int64 __cdecl _readgsbase_u64(void);
454 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int);
455 __int64 _sarx_i64(__int64, unsigned int);
456 #if __STDC_HOSTED__
457 int __cdecl _setjmpex(jmp_buf);
458 #endif
459 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);
460 unsigned __int64 shrx_u64(unsigned __int64, unsigned int);
461 unsigned __int64 _tzcnt_u64(unsigned __int64);
462 unsigned __int64 _tzmsk_u64(unsigned __int64);
463 unsigned __int64 _umul128(unsigned __int64 _Multiplier,
464 unsigned __int64 _Multiplicand,
465 unsigned __int64 *_HighProduct);
466 void __cdecl _writefsbase_u32(unsigned int);
467 void _cdecl _writefsbase_u64(unsigned __int64);
468 void __cdecl _writegsbase_u32(unsigned int);
469 void __cdecl _writegsbase_u64(unsigned __int64);
470 void __cdecl _xrstor64(void const *, unsigned __int64);
471 void __cdecl _xsave64(void *, unsigned __int64);
472 void __cdecl _xsaveopt64(void *, unsigned __int64);
473
474 #endif /* __x86_64__ */
475
476 /*----------------------------------------------------------------------------*\
477 |* Bit Twiddling
478 \*----------------------------------------------------------------------------*/
479 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_rotl8(unsigned char _Value,unsigned char _Shift)480 _rotl8(unsigned char _Value, unsigned char _Shift) {
481 _Shift &= 0x7;
482 return _Shift ? (_Value << _Shift) | (_Value >> (8 - _Shift)) : _Value;
483 }
484 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_rotr8(unsigned char _Value,unsigned char _Shift)485 _rotr8(unsigned char _Value, unsigned char _Shift) {
486 _Shift &= 0x7;
487 return _Shift ? (_Value >> _Shift) | (_Value << (8 - _Shift)) : _Value;
488 }
489 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
_rotl16(unsigned short _Value,unsigned char _Shift)490 _rotl16(unsigned short _Value, unsigned char _Shift) {
491 _Shift &= 0xf;
492 return _Shift ? (_Value << _Shift) | (_Value >> (16 - _Shift)) : _Value;
493 }
494 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
_rotr16(unsigned short _Value,unsigned char _Shift)495 _rotr16(unsigned short _Value, unsigned char _Shift) {
496 _Shift &= 0xf;
497 return _Shift ? (_Value >> _Shift) | (_Value << (16 - _Shift)) : _Value;
498 }
499 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
_rotl(unsigned int _Value,int _Shift)500 _rotl(unsigned int _Value, int _Shift) {
501 _Shift &= 0x1f;
502 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
503 }
504 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
_rotr(unsigned int _Value,int _Shift)505 _rotr(unsigned int _Value, int _Shift) {
506 _Shift &= 0x1f;
507 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
508 }
509 static __inline__ unsigned long __attribute__((__always_inline__, __nodebug__))
_lrotl(unsigned long _Value,int _Shift)510 _lrotl(unsigned long _Value, int _Shift) {
511 _Shift &= 0x1f;
512 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
513 }
514 static __inline__ unsigned long __attribute__((__always_inline__, __nodebug__))
_lrotr(unsigned long _Value,int _Shift)515 _lrotr(unsigned long _Value, int _Shift) {
516 _Shift &= 0x1f;
517 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
518 }
519 static
520 __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
_rotl64(unsigned __int64 _Value,int _Shift)521 _rotl64(unsigned __int64 _Value, int _Shift) {
522 _Shift &= 0x3f;
523 return _Shift ? (_Value << _Shift) | (_Value >> (64 - _Shift)) : _Value;
524 }
525 static
526 __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
_rotr64(unsigned __int64 _Value,int _Shift)527 _rotr64(unsigned __int64 _Value, int _Shift) {
528 _Shift &= 0x3f;
529 return _Shift ? (_Value >> _Shift) | (_Value << (64 - _Shift)) : _Value;
530 }
531 /*----------------------------------------------------------------------------*\
532 |* Bit Counting and Testing
533 \*----------------------------------------------------------------------------*/
534 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_BitScanForward(unsigned long * _Index,unsigned long _Mask)535 _BitScanForward(unsigned long *_Index, unsigned long _Mask) {
536 if (!_Mask)
537 return 0;
538 *_Index = __builtin_ctzl(_Mask);
539 return 1;
540 }
541 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_BitScanReverse(unsigned long * _Index,unsigned long _Mask)542 _BitScanReverse(unsigned long *_Index, unsigned long _Mask) {
543 if (!_Mask)
544 return 0;
545 *_Index = 31 - __builtin_clzl(_Mask);
546 return 1;
547 }
548 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
_lzcnt_u32(unsigned int a)549 _lzcnt_u32(unsigned int a) {
550 if (!a)
551 return 32;
552 return __builtin_clzl(a);
553 }
554 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
__popcnt16(unsigned short value)555 __popcnt16(unsigned short value) {
556 return __builtin_popcount((int)value);
557 }
558 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
__popcnt(unsigned int value)559 __popcnt(unsigned int value) {
560 return __builtin_popcount(value);
561 }
562 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittest(long const * a,long b)563 _bittest(long const *a, long b) {
564 return (*a >> b) & 1;
565 }
566 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandcomplement(long * a,long b)567 _bittestandcomplement(long *a, long b) {
568 unsigned char x = (*a >> b) & 1;
569 *a = *a ^ (1 << b);
570 return x;
571 }
572 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandreset(long * a,long b)573 _bittestandreset(long *a, long b) {
574 unsigned char x = (*a >> b) & 1;
575 *a = *a & ~(1 << b);
576 return x;
577 }
578 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandset(long * a,long b)579 _bittestandset(long *a, long b) {
580 unsigned char x = (*a >> b) & 1;
581 *a = *a | (1 << b);
582 return x;
583 }
584 #if defined(__i386__) || defined(__x86_64__)
585 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_interlockedbittestandset(long volatile * __BitBase,long __BitPos)586 _interlockedbittestandset(long volatile *__BitBase, long __BitPos) {
587 unsigned char __Res;
588 __asm__ ("xor %0, %0\n"
589 "lock bts %2, %1\n"
590 "setc %0\n"
591 : "=r" (__Res), "+m"(*__BitBase)
592 : "Ir"(__BitPos));
593 return __Res;
594 }
595 #endif
596 #ifdef __x86_64__
597 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_BitScanForward64(unsigned long * _Index,unsigned __int64 _Mask)598 _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask) {
599 if (!_Mask)
600 return 0;
601 *_Index = __builtin_ctzll(_Mask);
602 return 1;
603 }
604 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_BitScanReverse64(unsigned long * _Index,unsigned __int64 _Mask)605 _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask) {
606 if (!_Mask)
607 return 0;
608 *_Index = 63 - __builtin_clzll(_Mask);
609 return 1;
610 }
611 static
612 __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
_lzcnt_u64(unsigned __int64 a)613 _lzcnt_u64(unsigned __int64 a) {
614 if (!a)
615 return 64;
616 return __builtin_clzll(a);
617 }
618 static __inline__
619 unsigned __int64 __attribute__((__always_inline__, __nodebug__))
__popcnt64(unsigned __int64 value)620 __popcnt64(unsigned __int64 value) {
621 return __builtin_popcountll(value);
622 }
623 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittest64(__int64 const * a,__int64 b)624 _bittest64(__int64 const *a, __int64 b) {
625 return (*a >> b) & 1;
626 }
627 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandcomplement64(__int64 * a,__int64 b)628 _bittestandcomplement64(__int64 *a, __int64 b) {
629 unsigned char x = (*a >> b) & 1;
630 *a = *a ^ (1ll << b);
631 return x;
632 }
633 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandreset64(__int64 * a,__int64 b)634 _bittestandreset64(__int64 *a, __int64 b) {
635 unsigned char x = (*a >> b) & 1;
636 *a = *a & ~(1ll << b);
637 return x;
638 }
639 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_bittestandset64(__int64 * a,__int64 b)640 _bittestandset64(__int64 *a, __int64 b) {
641 unsigned char x = (*a >> b) & 1;
642 *a = *a | (1ll << b);
643 return x;
644 }
645 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
_interlockedbittestandset64(__int64 volatile * __BitBase,__int64 __BitPos)646 _interlockedbittestandset64(__int64 volatile *__BitBase, __int64 __BitPos) {
647 unsigned char __Res;
648 __asm__ ("xor %0, %0\n"
649 "lock bts %2, %1\n"
650 "setc %0\n"
651 : "=r" (__Res), "+m"(*__BitBase)
652 : "Ir"(__BitPos));
653 return __Res;
654 }
655 #endif
656 /*----------------------------------------------------------------------------*\
657 |* Interlocked Exchange Add
658 \*----------------------------------------------------------------------------*/
659 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeAdd8(char volatile * _Addend,char _Value)660 _InterlockedExchangeAdd8(char volatile *_Addend, char _Value) {
661 return __atomic_add_fetch(_Addend, _Value, 0) - _Value;
662 }
663 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeAdd16(short volatile * _Addend,short _Value)664 _InterlockedExchangeAdd16(short volatile *_Addend, short _Value) {
665 return __atomic_add_fetch(_Addend, _Value, 0) - _Value;
666 }
667 #ifdef __x86_64__
668 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeAdd64(__int64 volatile * _Addend,__int64 _Value)669 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value) {
670 return __atomic_add_fetch(_Addend, _Value, 0) - _Value;
671 }
672 #endif
673 /*----------------------------------------------------------------------------*\
674 |* Interlocked Exchange Sub
675 \*----------------------------------------------------------------------------*/
676 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeSub8(char volatile * _Subend,char _Value)677 _InterlockedExchangeSub8(char volatile *_Subend, char _Value) {
678 return __atomic_sub_fetch(_Subend, _Value, 0) + _Value;
679 }
680 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeSub16(short volatile * _Subend,short _Value)681 _InterlockedExchangeSub16(short volatile *_Subend, short _Value) {
682 return __atomic_sub_fetch(_Subend, _Value, 0) + _Value;
683 }
684 static __inline__ long __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeSub(long volatile * _Subend,long _Value)685 _InterlockedExchangeSub(long volatile *_Subend, long _Value) {
686 return __atomic_sub_fetch(_Subend, _Value, 0) + _Value;
687 }
688 #ifdef __x86_64__
689 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedExchangeSub64(__int64 volatile * _Subend,__int64 _Value)690 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value) {
691 return __atomic_sub_fetch(_Subend, _Value, 0) + _Value;
692 }
693 #endif
694 /*----------------------------------------------------------------------------*\
695 |* Interlocked Increment
696 \*----------------------------------------------------------------------------*/
697 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedIncrement16(short volatile * _Value)698 _InterlockedIncrement16(short volatile *_Value) {
699 return __atomic_add_fetch(_Value, 1, 0);
700 }
701 #ifdef __x86_64__
702 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedIncrement64(__int64 volatile * _Value)703 _InterlockedIncrement64(__int64 volatile *_Value) {
704 return __atomic_add_fetch(_Value, 1, 0);
705 }
706 #endif
707 /*----------------------------------------------------------------------------*\
708 |* Interlocked Decrement
709 \*----------------------------------------------------------------------------*/
710 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedDecrement16(short volatile * _Value)711 _InterlockedDecrement16(short volatile *_Value) {
712 return __atomic_sub_fetch(_Value, 1, 0);
713 }
714 #ifdef __x86_64__
715 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedDecrement64(__int64 volatile * _Value)716 _InterlockedDecrement64(__int64 volatile *_Value) {
717 return __atomic_sub_fetch(_Value, 1, 0);
718 }
719 #endif
720 /*----------------------------------------------------------------------------*\
721 |* Interlocked And
722 \*----------------------------------------------------------------------------*/
723 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedAnd8(char volatile * _Value,char _Mask)724 _InterlockedAnd8(char volatile *_Value, char _Mask) {
725 return __atomic_and_fetch(_Value, _Mask, 0);
726 }
727 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedAnd16(short volatile * _Value,short _Mask)728 _InterlockedAnd16(short volatile *_Value, short _Mask) {
729 return __atomic_and_fetch(_Value, _Mask, 0);
730 }
731 static __inline__ long __attribute__((__always_inline__, __nodebug__))
_InterlockedAnd(long volatile * _Value,long _Mask)732 _InterlockedAnd(long volatile *_Value, long _Mask) {
733 return __atomic_and_fetch(_Value, _Mask, 0);
734 }
735 #ifdef __x86_64__
736 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedAnd64(__int64 volatile * _Value,__int64 _Mask)737 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask) {
738 return __atomic_and_fetch(_Value, _Mask, 0);
739 }
740 #endif
741 /*----------------------------------------------------------------------------*\
742 |* Interlocked Or
743 \*----------------------------------------------------------------------------*/
744 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedOr8(char volatile * _Value,char _Mask)745 _InterlockedOr8(char volatile *_Value, char _Mask) {
746 return __atomic_or_fetch(_Value, _Mask, 0);
747 }
748 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedOr16(short volatile * _Value,short _Mask)749 _InterlockedOr16(short volatile *_Value, short _Mask) {
750 return __atomic_or_fetch(_Value, _Mask, 0);
751 }
752 static __inline__ long __attribute__((__always_inline__, __nodebug__))
_InterlockedOr(long volatile * _Value,long _Mask)753 _InterlockedOr(long volatile *_Value, long _Mask) {
754 return __atomic_or_fetch(_Value, _Mask, 0);
755 }
756 #ifdef __x86_64__
757 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedOr64(__int64 volatile * _Value,__int64 _Mask)758 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask) {
759 return __atomic_or_fetch(_Value, _Mask, 0);
760 }
761 #endif
762 /*----------------------------------------------------------------------------*\
763 |* Interlocked Xor
764 \*----------------------------------------------------------------------------*/
765 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedXor8(char volatile * _Value,char _Mask)766 _InterlockedXor8(char volatile *_Value, char _Mask) {
767 return __atomic_xor_fetch(_Value, _Mask, 0);
768 }
769 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedXor16(short volatile * _Value,short _Mask)770 _InterlockedXor16(short volatile *_Value, short _Mask) {
771 return __atomic_xor_fetch(_Value, _Mask, 0);
772 }
773 static __inline__ long __attribute__((__always_inline__, __nodebug__))
_InterlockedXor(long volatile * _Value,long _Mask)774 _InterlockedXor(long volatile *_Value, long _Mask) {
775 return __atomic_xor_fetch(_Value, _Mask, 0);
776 }
777 #ifdef __x86_64__
778 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedXor64(__int64 volatile * _Value,__int64 _Mask)779 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask) {
780 return __atomic_xor_fetch(_Value, _Mask, 0);
781 }
782 #endif
783 /*----------------------------------------------------------------------------*\
784 |* Interlocked Exchange
785 \*----------------------------------------------------------------------------*/
786 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedExchange8(char volatile * _Target,char _Value)787 _InterlockedExchange8(char volatile *_Target, char _Value) {
788 __atomic_exchange(_Target, &_Value, &_Value, 0);
789 return _Value;
790 }
791 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedExchange16(short volatile * _Target,short _Value)792 _InterlockedExchange16(short volatile *_Target, short _Value) {
793 __atomic_exchange(_Target, &_Value, &_Value, 0);
794 return _Value;
795 }
796 #ifdef __x86_64__
797 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedExchange64(__int64 volatile * _Target,__int64 _Value)798 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value) {
799 __atomic_exchange(_Target, &_Value, &_Value, 0);
800 return _Value;
801 }
802 #endif
803 /*----------------------------------------------------------------------------*\
804 |* Interlocked Compare Exchange
805 \*----------------------------------------------------------------------------*/
806 static __inline__ char __attribute__((__always_inline__, __nodebug__))
_InterlockedCompareExchange8(char volatile * _Destination,char _Exchange,char _Comparand)807 _InterlockedCompareExchange8(char volatile *_Destination,
808 char _Exchange, char _Comparand) {
809 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 0, 0);
810 return _Comparand;
811 }
812 static __inline__ short __attribute__((__always_inline__, __nodebug__))
_InterlockedCompareExchange16(short volatile * _Destination,short _Exchange,short _Comparand)813 _InterlockedCompareExchange16(short volatile *_Destination,
814 short _Exchange, short _Comparand) {
815 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 0, 0);
816 return _Comparand;
817 }
818 static __inline__ __int64 __attribute__((__always_inline__, __nodebug__))
_InterlockedCompareExchange64(__int64 volatile * _Destination,__int64 _Exchange,__int64 _Comparand)819 _InterlockedCompareExchange64(__int64 volatile *_Destination,
820 __int64 _Exchange, __int64 _Comparand) {
821 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0, 0, 0);
822 return _Comparand;
823 }
824 /*----------------------------------------------------------------------------*\
825 |* Barriers
826 \*----------------------------------------------------------------------------*/
827 #if defined(__i386__) || defined(__x86_64__)
828 static __inline__ void __attribute__((__always_inline__, __nodebug__))
829 __attribute__((deprecated("use other intrinsics or C++11 atomics instead")))
_ReadWriteBarrier(void)830 _ReadWriteBarrier(void) {
831 __asm__ volatile ("" : : : "memory");
832 }
833 static __inline__ void __attribute__((__always_inline__, __nodebug__))
834 __attribute__((deprecated("use other intrinsics or C++11 atomics instead")))
_ReadBarrier(void)835 _ReadBarrier(void) {
836 __asm__ volatile ("" : : : "memory");
837 }
838 static __inline__ void __attribute__((__always_inline__, __nodebug__))
839 __attribute__((deprecated("use other intrinsics or C++11 atomics instead")))
_WriteBarrier(void)840 _WriteBarrier(void) {
841 __asm__ volatile ("" : : : "memory");
842 }
843 #endif
844 #ifdef __x86_64__
845 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__faststorefence(void)846 __faststorefence(void) {
847 __asm__ volatile("lock orq $0, (%%rsp)" : : : "memory");
848 }
849 #endif
850 /*----------------------------------------------------------------------------*\
851 |* readfs, readgs
852 |* (Pointers in address space #256 and #257 are relative to the GS and FS
853 |* segment registers, respectively.)
854 \*----------------------------------------------------------------------------*/
855 #define __ptr_to_addr_space(__addr_space_nbr, __type, __offset) \
856 ((volatile __type __attribute__((__address_space__(__addr_space_nbr)))*) \
857 (__offset))
858
859 #ifdef __i386__
860 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
__readfsbyte(unsigned long __offset)861 __readfsbyte(unsigned long __offset) {
862 return *__ptr_to_addr_space(257, unsigned char, __offset);
863 }
864 static __inline__ unsigned long __attribute__((__always_inline__, __nodebug__))
__readfsdword(unsigned long __offset)865 __readfsdword(unsigned long __offset) {
866 return *__ptr_to_addr_space(257, unsigned long, __offset);
867 }
868 static __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
__readfsqword(unsigned long __offset)869 __readfsqword(unsigned long __offset) {
870 return *__ptr_to_addr_space(257, unsigned __int64, __offset);
871 }
872 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
__readfsword(unsigned long __offset)873 __readfsword(unsigned long __offset) {
874 return *__ptr_to_addr_space(257, unsigned short, __offset);
875 }
876 #endif
877 #ifdef __x86_64__
878 static __inline__ unsigned char __attribute__((__always_inline__, __nodebug__))
__readgsbyte(unsigned long __offset)879 __readgsbyte(unsigned long __offset) {
880 return *__ptr_to_addr_space(256, unsigned char, __offset);
881 }
882 static __inline__ unsigned long __attribute__((__always_inline__, __nodebug__))
__readgsdword(unsigned long __offset)883 __readgsdword(unsigned long __offset) {
884 return *__ptr_to_addr_space(256, unsigned long, __offset);
885 }
886 static __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
__readgsqword(unsigned long __offset)887 __readgsqword(unsigned long __offset) {
888 return *__ptr_to_addr_space(256, unsigned __int64, __offset);
889 }
890 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
__readgsword(unsigned long __offset)891 __readgsword(unsigned long __offset) {
892 return *__ptr_to_addr_space(256, unsigned short, __offset);
893 }
894 #endif
895 #undef __ptr_to_addr_space
896 /*----------------------------------------------------------------------------*\
897 |* movs, stos
898 \*----------------------------------------------------------------------------*/
899 #if defined(__i386__) || defined(__x86_64__)
900 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__movsb(unsigned char * __dst,unsigned char const * __src,size_t __n)901 __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) {
902 __asm__("rep movsb" : : "D"(__dst), "S"(__src), "c"(__n)
903 : "%edi", "%esi", "%ecx");
904 }
905 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__movsd(unsigned long * __dst,unsigned long const * __src,size_t __n)906 __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) {
907 __asm__("rep movsl" : : "D"(__dst), "S"(__src), "c"(__n)
908 : "%edi", "%esi", "%ecx");
909 }
910 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__movsw(unsigned short * __dst,unsigned short const * __src,size_t __n)911 __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) {
912 __asm__("rep movsh" : : "D"(__dst), "S"(__src), "c"(__n)
913 : "%edi", "%esi", "%ecx");
914 }
915 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__stosb(unsigned char * __dst,unsigned char __x,size_t __n)916 __stosb(unsigned char *__dst, unsigned char __x, size_t __n) {
917 __asm__("rep stosb" : : "D"(__dst), "a"(__x), "c"(__n)
918 : "%edi", "%ecx");
919 }
920 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__stosd(unsigned long * __dst,unsigned long __x,size_t __n)921 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) {
922 __asm__("rep stosl" : : "D"(__dst), "a"(__x), "c"(__n)
923 : "%edi", "%ecx");
924 }
925 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__stosw(unsigned short * __dst,unsigned short __x,size_t __n)926 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) {
927 __asm__("rep stosh" : : "D"(__dst), "a"(__x), "c"(__n)
928 : "%edi", "%ecx");
929 }
930 #endif
931 #ifdef __x86_64__
932 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__movsq(unsigned long long * __dst,unsigned long long const * __src,size_t __n)933 __movsq(unsigned long long *__dst, unsigned long long const *__src, size_t __n) {
934 __asm__("rep movsq" : : "D"(__dst), "S"(__src), "c"(__n)
935 : "%edi", "%esi", "%ecx");
936 }
937 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__stosq(unsigned __int64 * __dst,unsigned __int64 __x,size_t __n)938 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) {
939 __asm__("rep stosq" : : "D"(__dst), "a"(__x), "c"(__n)
940 : "%edi", "%ecx");
941 }
942 #endif
943
944 /*----------------------------------------------------------------------------*\
945 |* Misc
946 \*----------------------------------------------------------------------------*/
947 static __inline__ void * __attribute__((__always_inline__, __nodebug__))
_AddressOfReturnAddress(void)948 _AddressOfReturnAddress(void) {
949 return (void*)((char*)__builtin_frame_address(0) + sizeof(void*));
950 }
951 static __inline__ void * __attribute__((__always_inline__, __nodebug__))
_ReturnAddress(void)952 _ReturnAddress(void) {
953 return __builtin_return_address(0);
954 }
955 #if defined(__i386__) || defined(__x86_64__)
956 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__cpuid(int __info[4],int __level)957 __cpuid(int __info[4], int __level) {
958 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
959 : "a"(__level));
960 }
961 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__cpuidex(int __info[4],int __level,int __ecx)962 __cpuidex(int __info[4], int __level, int __ecx) {
963 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
964 : "a"(__level), "c"(__ecx));
965 }
966 static __inline__ unsigned __int64 __cdecl __attribute__((__always_inline__, __nodebug__))
_xgetbv(unsigned int __xcr_no)967 _xgetbv(unsigned int __xcr_no) {
968 unsigned int __eax, __edx;
969 __asm__ ("xgetbv" : "=a" (__eax), "=d" (__edx) : "c" (__xcr_no));
970 return ((unsigned __int64)__edx << 32) | __eax;
971 }
972 static __inline__ void __attribute__((__always_inline__, __nodebug__))
__halt(void)973 __halt(void) {
974 __asm__ volatile ("hlt");
975 }
976 #endif
977
978 /*----------------------------------------------------------------------------*\
979 |* Privileged intrinsics
980 \*----------------------------------------------------------------------------*/
981 #if defined(__i386__) || defined(__x86_64__)
982 static __inline__ unsigned __int64 __attribute__((__always_inline__, __nodebug__))
__readmsr(unsigned long __register)983 __readmsr(unsigned long __register) {
984 // Loads the contents of a 64-bit model specific register (MSR) specified in
985 // the ECX register into registers EDX:EAX. The EDX register is loaded with
986 // the high-order 32 bits of the MSR and the EAX register is loaded with the
987 // low-order 32 bits. If less than 64 bits are implemented in the MSR being
988 // read, the values returned to EDX:EAX in unimplemented bit locations are
989 // undefined.
990 unsigned long __edx;
991 unsigned long __eax;
992 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));
993 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;
994 }
995
996 static __inline__ unsigned long __attribute__((always_inline, __nodebug__))
__readcr3(void)997 __readcr3(void) {
998 unsigned long __cr3_val;
999 __asm__ __volatile__ ("mov %%cr3, %0" : "=q"(__cr3_val) : : "memory");
1000 return __cr3_val;
1001 }
1002
1003 static __inline__ void __attribute__((always_inline, __nodebug__))
__writecr3(unsigned int __cr3_val)1004 __writecr3(unsigned int __cr3_val) {
1005 __asm__ ("mov %0, %%cr3" : : "q"(__cr3_val) : "memory");
1006 }
1007 #endif
1008
1009 #ifdef __cplusplus
1010 }
1011 #endif
1012
1013 #endif /* __INTRIN_H */
1014 #endif /* _MSC_VER */
1015