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 /* Define the default attributes for the functions in this file. */
43 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
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 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 static __inline__
164 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask);
165 static __inline__
166 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask);
167 static __inline__
168 unsigned char _bittest(long const *, long);
169 static __inline__
170 unsigned char _bittestandcomplement(long *, long);
171 static __inline__
172 unsigned char _bittestandreset(long *, long);
173 static __inline__
174 unsigned char _bittestandset(long *, long);
175 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64);
176 unsigned long __cdecl _byteswap_ulong(unsigned long);
177 unsigned short __cdecl _byteswap_ushort(unsigned short);
178 void __cdecl _disable(void);
179 void __cdecl _enable(void);
180 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value);
181 static __inline__
182 long _InterlockedAnd(long volatile *_Value, long _Mask);
183 static __inline__
184 short _InterlockedAnd16(short volatile *_Value, short _Mask);
185 static __inline__
186 char _InterlockedAnd8(char volatile *_Value, char _Mask);
187 unsigned char _interlockedbittestandreset(long volatile *, long);
188 static __inline__
189 unsigned char _interlockedbittestandset(long volatile *, long);
190 static __inline__
191 long __cdecl _InterlockedCompareExchange(long volatile *_Destination,
192 long _Exchange, long _Comparand);
193 long _InterlockedCompareExchange_HLEAcquire(long volatile *, long, long);
194 long _InterlockedCompareExchange_HLERelease(long volatile *, long, long);
195 static __inline__
196 short _InterlockedCompareExchange16(short volatile *_Destination,
197 short _Exchange, short _Comparand);
198 static __inline__
199 __int64 _InterlockedCompareExchange64(__int64 volatile *_Destination,
200 __int64 _Exchange, __int64 _Comparand);
201 __int64 _InterlockedcompareExchange64_HLEAcquire(__int64 volatile *, __int64,
202 __int64);
203 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64,
204 __int64);
205 static __inline__
206 char _InterlockedCompareExchange8(char volatile *_Destination, char _Exchange,
207 char _Comparand);
208 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *,
209 void *);
210 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *,
211 void *);
212 static __inline__
213 long __cdecl _InterlockedDecrement(long volatile *_Addend);
214 static __inline__
215 short _InterlockedDecrement16(short volatile *_Addend);
216 long _InterlockedExchange(long volatile *_Target, long _Value);
217 static __inline__
218 short _InterlockedExchange16(short volatile *_Target, short _Value);
219 static __inline__
220 char _InterlockedExchange8(char volatile *_Target, char _Value);
221 static __inline__
222 long __cdecl _InterlockedExchangeAdd(long volatile *_Addend, long _Value);
223 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long);
224 long _InterlockedExchangeAdd_HLERelease(long volatile *, long);
225 static __inline__
226 short _InterlockedExchangeAdd16(short volatile *_Addend, short _Value);
227 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64);
228 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64);
229 static __inline__
230 char _InterlockedExchangeAdd8(char volatile *_Addend, char _Value);
231 static __inline__
232 long __cdecl _InterlockedIncrement(long volatile *_Addend);
233 static __inline__
234 short _InterlockedIncrement16(short volatile *_Addend);
235 static __inline__
236 long _InterlockedOr(long volatile *_Value, long _Mask);
237 static __inline__
238 short _InterlockedOr16(short volatile *_Value, short _Mask);
239 static __inline__
240 char _InterlockedOr8(char volatile *_Value, char _Mask);
241 static __inline__
242 long _InterlockedXor(long volatile *_Value, long _Mask);
243 static __inline__
244 short _InterlockedXor16(short volatile *_Value, short _Mask);
245 static __inline__
246 char _InterlockedXor8(char volatile *_Value, char _Mask);
247 void __cdecl _invpcid(unsigned int, void *);
248 static __inline__
249 unsigned long __cdecl _lrotl(unsigned long, int);
250 static __inline__
251 unsigned long __cdecl _lrotr(unsigned long, int);
252 static __inline__
253 void _ReadBarrier(void);
254 static __inline__
255 void _ReadWriteBarrier(void);
256 static __inline__
257 void *_ReturnAddress(void);
258 unsigned int _rorx_u32(unsigned int, const unsigned int);
259 static __inline__
260 unsigned int __cdecl _rotl(unsigned int _Value, int _Shift);
261 static __inline__
262 unsigned short _rotl16(unsigned short _Value, unsigned char _Shift);
263 static __inline__
264 unsigned __int64 __cdecl _rotl64(unsigned __int64 _Value, int _Shift);
265 static __inline__
266 unsigned char _rotl8(unsigned char _Value, unsigned char _Shift);
267 static __inline__
268 unsigned int __cdecl _rotr(unsigned int _Value, int _Shift);
269 static __inline__
270 unsigned short _rotr16(unsigned short _Value, unsigned char _Shift);
271 static __inline__
272 unsigned __int64 __cdecl _rotr64(unsigned __int64 _Value, int _Shift);
273 static __inline__
274 unsigned char _rotr8(unsigned char _Value, unsigned char _Shift);
275 int _sarx_i32(int, unsigned int);
276 #if __STDC_HOSTED__
277 int __cdecl _setjmp(jmp_buf);
278 #endif
279 unsigned int _shlx_u32(unsigned int, unsigned int);
280 unsigned int _shrx_u32(unsigned int, unsigned int);
281 void _Store_HLERelease(long volatile *, long);
282 void _Store64_HLERelease(__int64 volatile *, __int64);
283 void _StorePointer_HLERelease(void *volatile *, void *);
284 static __inline__
285 void _WriteBarrier(void);
286 unsigned __int32 xbegin(void);
287 void _xend(void);
288 static __inline__
289 #define _XCR_XFEATURE_ENABLED_MASK 0
290 unsigned __int64 __cdecl _xgetbv(unsigned int);
291 void __cdecl _xsetbv(unsigned int, unsigned __int64);
292
293 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */
294 #ifdef __x86_64__
295 void __addgsbyte(unsigned long, unsigned char);
296 void __addgsdword(unsigned long, unsigned long);
297 void __addgsqword(unsigned long, unsigned __int64);
298 void __addgsword(unsigned long, unsigned short);
299 static __inline__
300 void __faststorefence(void);
301 void __incgsbyte(unsigned long);
302 void __incgsdword(unsigned long);
303 void __incgsqword(unsigned long);
304 void __incgsword(unsigned long);
305 unsigned char __lwpins64(unsigned __int64, unsigned int, unsigned int);
306 void __lwpval64(unsigned __int64, unsigned int, unsigned int);
307 unsigned __int64 __lzcnt64(unsigned __int64);
308 static __inline__
309 void __movsq(unsigned long long *, unsigned long long const *, size_t);
310 __int64 __mulh(__int64, __int64);
311 static __inline__
312 unsigned __int64 __popcnt64(unsigned __int64);
313 static __inline__
314 unsigned char __readgsbyte(unsigned long);
315 static __inline__
316 unsigned long __readgsdword(unsigned long);
317 static __inline__
318 unsigned __int64 __readgsqword(unsigned long);
319 unsigned short __readgsword(unsigned long);
320 unsigned __int64 __shiftleft128(unsigned __int64 _LowPart,
321 unsigned __int64 _HighPart,
322 unsigned char _Shift);
323 unsigned __int64 __shiftright128(unsigned __int64 _LowPart,
324 unsigned __int64 _HighPart,
325 unsigned char _Shift);
326 static __inline__
327 void __stosq(unsigned __int64 *, unsigned __int64, size_t);
328 unsigned char __vmx_on(unsigned __int64 *);
329 unsigned char __vmx_vmclear(unsigned __int64 *);
330 unsigned char __vmx_vmlaunch(void);
331 unsigned char __vmx_vmptrld(unsigned __int64 *);
332 unsigned char __vmx_vmread(size_t, size_t *);
333 unsigned char __vmx_vmresume(void);
334 unsigned char __vmx_vmwrite(size_t, size_t);
335 void __writegsbyte(unsigned long, unsigned char);
336 void __writegsdword(unsigned long, unsigned long);
337 void __writegsqword(unsigned long, unsigned __int64);
338 void __writegsword(unsigned long, unsigned short);
339 static __inline__
340 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask);
341 static __inline__
342 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask);
343 static __inline__
344 unsigned char _bittest64(__int64 const *, __int64);
345 static __inline__
346 unsigned char _bittestandcomplement64(__int64 *, __int64);
347 static __inline__
348 unsigned char _bittestandreset64(__int64 *, __int64);
349 static __inline__
350 unsigned char _bittestandset64(__int64 *, __int64);
351 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64);
352 long _InterlockedAnd_np(long volatile *_Value, long _Mask);
353 short _InterlockedAnd16_np(short volatile *_Value, short _Mask);
354 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask);
355 char _InterlockedAnd8_np(char volatile *_Value, char _Mask);
356 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64);
357 static __inline__
358 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64);
359 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange,
360 long _Comparand);
361 unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination,
362 __int64 _ExchangeHigh,
363 __int64 _ExchangeLow,
364 __int64 *_CompareandResult);
365 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination,
366 __int64 _ExchangeHigh,
367 __int64 _ExchangeLow,
368 __int64 *_ComparandResult);
369 short _InterlockedCompareExchange16_np(short volatile *_Destination,
370 short _Exchange, short _Comparand);
371 __int64 _InterlockedCompareExchange64_HLEAcquire(__int64 volatile *, __int64,
372 __int64);
373 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64,
374 __int64);
375 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination,
376 __int64 _Exchange, __int64 _Comparand);
377 void *_InterlockedCompareExchangePointer(void *volatile *_Destination,
378 void *_Exchange, void *_Comparand);
379 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination,
380 void *_Exchange, void *_Comparand);
381 static __inline__
382 __int64 _InterlockedDecrement64(__int64 volatile *_Addend);
383 static __inline__
384 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value);
385 static __inline__
386 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value);
387 void *_InterlockedExchangePointer(void *volatile *_Target, void *_Value);
388 static __inline__
389 __int64 _InterlockedIncrement64(__int64 volatile *_Addend);
390 long _InterlockedOr_np(long volatile *_Value, long _Mask);
391 short _InterlockedOr16_np(short volatile *_Value, short _Mask);
392 static __inline__
393 __int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask);
394 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask);
395 char _InterlockedOr8_np(char volatile *_Value, char _Mask);
396 long _InterlockedXor_np(long volatile *_Value, long _Mask);
397 short _InterlockedXor16_np(short volatile *_Value, short _Mask);
398 static __inline__
399 __int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask);
400 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask);
401 char _InterlockedXor8_np(char volatile *_Value, char _Mask);
402 static __inline__
403 __int64 _mul128(__int64 _Multiplier, __int64 _Multiplicand,
404 __int64 *_HighProduct);
405 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int);
406 __int64 _sarx_i64(__int64, unsigned int);
407 #if __STDC_HOSTED__
408 int __cdecl _setjmpex(jmp_buf);
409 #endif
410 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);
411 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int);
412 /*
413 * Multiply two 64-bit integers and obtain a 64-bit result.
414 * The low-half is returned directly and the high half is in an out parameter.
415 */
416 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
_umul128(unsigned __int64 _Multiplier,unsigned __int64 _Multiplicand,unsigned __int64 * _HighProduct)417 _umul128(unsigned __int64 _Multiplier, unsigned __int64 _Multiplicand,
418 unsigned __int64 *_HighProduct) {
419 unsigned __int128 _FullProduct =
420 (unsigned __int128)_Multiplier * (unsigned __int128)_Multiplicand;
421 *_HighProduct = _FullProduct >> 64;
422 return _FullProduct;
423 }
424 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
__umulh(unsigned __int64 _Multiplier,unsigned __int64 _Multiplicand)425 __umulh(unsigned __int64 _Multiplier, unsigned __int64 _Multiplicand) {
426 unsigned __int128 _FullProduct =
427 (unsigned __int128)_Multiplier * (unsigned __int128)_Multiplicand;
428 return _FullProduct >> 64;
429 }
430
431 #endif /* __x86_64__ */
432
433 /*----------------------------------------------------------------------------*\
434 |* Multiplication
435 \*----------------------------------------------------------------------------*/
436 static __inline__ __int64 __DEFAULT_FN_ATTRS
__emul(int __in1,int __in2)437 __emul(int __in1, int __in2) {
438 return (__int64)__in1 * (__int64)__in2;
439 }
440 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
__emulu(unsigned int __in1,unsigned int __in2)441 __emulu(unsigned int __in1, unsigned int __in2) {
442 return (unsigned __int64)__in1 * (unsigned __int64)__in2;
443 }
444 /*----------------------------------------------------------------------------*\
445 |* Bit Twiddling
446 \*----------------------------------------------------------------------------*/
447 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_rotl8(unsigned char _Value,unsigned char _Shift)448 _rotl8(unsigned char _Value, unsigned char _Shift) {
449 _Shift &= 0x7;
450 return _Shift ? (_Value << _Shift) | (_Value >> (8 - _Shift)) : _Value;
451 }
452 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_rotr8(unsigned char _Value,unsigned char _Shift)453 _rotr8(unsigned char _Value, unsigned char _Shift) {
454 _Shift &= 0x7;
455 return _Shift ? (_Value >> _Shift) | (_Value << (8 - _Shift)) : _Value;
456 }
457 static __inline__ unsigned short __DEFAULT_FN_ATTRS
_rotl16(unsigned short _Value,unsigned char _Shift)458 _rotl16(unsigned short _Value, unsigned char _Shift) {
459 _Shift &= 0xf;
460 return _Shift ? (_Value << _Shift) | (_Value >> (16 - _Shift)) : _Value;
461 }
462 static __inline__ unsigned short __DEFAULT_FN_ATTRS
_rotr16(unsigned short _Value,unsigned char _Shift)463 _rotr16(unsigned short _Value, unsigned char _Shift) {
464 _Shift &= 0xf;
465 return _Shift ? (_Value >> _Shift) | (_Value << (16 - _Shift)) : _Value;
466 }
467 static __inline__ unsigned int __DEFAULT_FN_ATTRS
_rotl(unsigned int _Value,int _Shift)468 _rotl(unsigned int _Value, int _Shift) {
469 _Shift &= 0x1f;
470 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
471 }
472 static __inline__ unsigned int __DEFAULT_FN_ATTRS
_rotr(unsigned int _Value,int _Shift)473 _rotr(unsigned int _Value, int _Shift) {
474 _Shift &= 0x1f;
475 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
476 }
477 static __inline__ unsigned long __DEFAULT_FN_ATTRS
_lrotl(unsigned long _Value,int _Shift)478 _lrotl(unsigned long _Value, int _Shift) {
479 _Shift &= 0x1f;
480 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
481 }
482 static __inline__ unsigned long __DEFAULT_FN_ATTRS
_lrotr(unsigned long _Value,int _Shift)483 _lrotr(unsigned long _Value, int _Shift) {
484 _Shift &= 0x1f;
485 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
486 }
487 static
488 __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
_rotl64(unsigned __int64 _Value,int _Shift)489 _rotl64(unsigned __int64 _Value, int _Shift) {
490 _Shift &= 0x3f;
491 return _Shift ? (_Value << _Shift) | (_Value >> (64 - _Shift)) : _Value;
492 }
493 static
494 __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
_rotr64(unsigned __int64 _Value,int _Shift)495 _rotr64(unsigned __int64 _Value, int _Shift) {
496 _Shift &= 0x3f;
497 return _Shift ? (_Value >> _Shift) | (_Value << (64 - _Shift)) : _Value;
498 }
499 /*----------------------------------------------------------------------------*\
500 |* Bit Counting and Testing
501 \*----------------------------------------------------------------------------*/
502 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_BitScanForward(unsigned long * _Index,unsigned long _Mask)503 _BitScanForward(unsigned long *_Index, unsigned long _Mask) {
504 if (!_Mask)
505 return 0;
506 *_Index = __builtin_ctzl(_Mask);
507 return 1;
508 }
509 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_BitScanReverse(unsigned long * _Index,unsigned long _Mask)510 _BitScanReverse(unsigned long *_Index, unsigned long _Mask) {
511 if (!_Mask)
512 return 0;
513 *_Index = 31 - __builtin_clzl(_Mask);
514 return 1;
515 }
516 static __inline__ unsigned short __DEFAULT_FN_ATTRS
__popcnt16(unsigned short _Value)517 __popcnt16(unsigned short _Value) {
518 return __builtin_popcount((int)_Value);
519 }
520 static __inline__ unsigned int __DEFAULT_FN_ATTRS
__popcnt(unsigned int _Value)521 __popcnt(unsigned int _Value) {
522 return __builtin_popcount(_Value);
523 }
524 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittest(long const * _BitBase,long _BitPos)525 _bittest(long const *_BitBase, long _BitPos) {
526 return (*_BitBase >> _BitPos) & 1;
527 }
528 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandcomplement(long * _BitBase,long _BitPos)529 _bittestandcomplement(long *_BitBase, long _BitPos) {
530 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
531 *_BitBase = *_BitBase ^ (1 << _BitPos);
532 return _Res;
533 }
534 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandreset(long * _BitBase,long _BitPos)535 _bittestandreset(long *_BitBase, long _BitPos) {
536 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
537 *_BitBase = *_BitBase & ~(1 << _BitPos);
538 return _Res;
539 }
540 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandset(long * _BitBase,long _BitPos)541 _bittestandset(long *_BitBase, long _BitPos) {
542 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
543 *_BitBase = *_BitBase | (1 << _BitPos);
544 return _Res;
545 }
546 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_interlockedbittestandset(long volatile * _BitBase,long _BitPos)547 _interlockedbittestandset(long volatile *_BitBase, long _BitPos) {
548 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_SEQ_CST);
549 return (_PrevVal >> _BitPos) & 1;
550 }
551 #ifdef __x86_64__
552 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_BitScanForward64(unsigned long * _Index,unsigned __int64 _Mask)553 _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask) {
554 if (!_Mask)
555 return 0;
556 *_Index = __builtin_ctzll(_Mask);
557 return 1;
558 }
559 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_BitScanReverse64(unsigned long * _Index,unsigned __int64 _Mask)560 _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask) {
561 if (!_Mask)
562 return 0;
563 *_Index = 63 - __builtin_clzll(_Mask);
564 return 1;
565 }
566 static __inline__
567 unsigned __int64 __DEFAULT_FN_ATTRS
__popcnt64(unsigned __int64 _Value)568 __popcnt64(unsigned __int64 _Value) {
569 return __builtin_popcountll(_Value);
570 }
571 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittest64(__int64 const * _BitBase,__int64 _BitPos)572 _bittest64(__int64 const *_BitBase, __int64 _BitPos) {
573 return (*_BitBase >> _BitPos) & 1;
574 }
575 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandcomplement64(__int64 * _BitBase,__int64 _BitPos)576 _bittestandcomplement64(__int64 *_BitBase, __int64 _BitPos) {
577 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
578 *_BitBase = *_BitBase ^ (1ll << _BitPos);
579 return _Res;
580 }
581 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandreset64(__int64 * _BitBase,__int64 _BitPos)582 _bittestandreset64(__int64 *_BitBase, __int64 _BitPos) {
583 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
584 *_BitBase = *_BitBase & ~(1ll << _BitPos);
585 return _Res;
586 }
587 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_bittestandset64(__int64 * _BitBase,__int64 _BitPos)588 _bittestandset64(__int64 *_BitBase, __int64 _BitPos) {
589 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
590 *_BitBase = *_BitBase | (1ll << _BitPos);
591 return _Res;
592 }
593 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_interlockedbittestandset64(__int64 volatile * _BitBase,__int64 _BitPos)594 _interlockedbittestandset64(__int64 volatile *_BitBase, __int64 _BitPos) {
595 long long _PrevVal =
596 __atomic_fetch_or(_BitBase, 1ll << _BitPos, __ATOMIC_SEQ_CST);
597 return (_PrevVal >> _BitPos) & 1;
598 }
599 #endif
600 /*----------------------------------------------------------------------------*\
601 |* Interlocked Exchange Add
602 \*----------------------------------------------------------------------------*/
603 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedExchangeAdd8(char volatile * _Addend,char _Value)604 _InterlockedExchangeAdd8(char volatile *_Addend, char _Value) {
605 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
606 }
607 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedExchangeAdd16(short volatile * _Addend,short _Value)608 _InterlockedExchangeAdd16(short volatile *_Addend, short _Value) {
609 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
610 }
611 #ifdef __x86_64__
612 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedExchangeAdd64(__int64 volatile * _Addend,__int64 _Value)613 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value) {
614 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
615 }
616 #endif
617 /*----------------------------------------------------------------------------*\
618 |* Interlocked Exchange Sub
619 \*----------------------------------------------------------------------------*/
620 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedExchangeSub8(char volatile * _Subend,char _Value)621 _InterlockedExchangeSub8(char volatile *_Subend, char _Value) {
622 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
623 }
624 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedExchangeSub16(short volatile * _Subend,short _Value)625 _InterlockedExchangeSub16(short volatile *_Subend, short _Value) {
626 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
627 }
628 static __inline__ long __DEFAULT_FN_ATTRS
_InterlockedExchangeSub(long volatile * _Subend,long _Value)629 _InterlockedExchangeSub(long volatile *_Subend, long _Value) {
630 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
631 }
632 #ifdef __x86_64__
633 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedExchangeSub64(__int64 volatile * _Subend,__int64 _Value)634 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value) {
635 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
636 }
637 #endif
638 /*----------------------------------------------------------------------------*\
639 |* Interlocked Increment
640 \*----------------------------------------------------------------------------*/
641 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedIncrement16(short volatile * _Value)642 _InterlockedIncrement16(short volatile *_Value) {
643 return __atomic_add_fetch(_Value, 1, __ATOMIC_SEQ_CST);
644 }
645 #ifdef __x86_64__
646 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedIncrement64(__int64 volatile * _Value)647 _InterlockedIncrement64(__int64 volatile *_Value) {
648 return __atomic_add_fetch(_Value, 1, __ATOMIC_SEQ_CST);
649 }
650 #endif
651 /*----------------------------------------------------------------------------*\
652 |* Interlocked Decrement
653 \*----------------------------------------------------------------------------*/
654 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedDecrement16(short volatile * _Value)655 _InterlockedDecrement16(short volatile *_Value) {
656 return __atomic_sub_fetch(_Value, 1, __ATOMIC_SEQ_CST);
657 }
658 #ifdef __x86_64__
659 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedDecrement64(__int64 volatile * _Value)660 _InterlockedDecrement64(__int64 volatile *_Value) {
661 return __atomic_sub_fetch(_Value, 1, __ATOMIC_SEQ_CST);
662 }
663 #endif
664 /*----------------------------------------------------------------------------*\
665 |* Interlocked And
666 \*----------------------------------------------------------------------------*/
667 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedAnd8(char volatile * _Value,char _Mask)668 _InterlockedAnd8(char volatile *_Value, char _Mask) {
669 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
670 }
671 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedAnd16(short volatile * _Value,short _Mask)672 _InterlockedAnd16(short volatile *_Value, short _Mask) {
673 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
674 }
675 static __inline__ long __DEFAULT_FN_ATTRS
_InterlockedAnd(long volatile * _Value,long _Mask)676 _InterlockedAnd(long volatile *_Value, long _Mask) {
677 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
678 }
679 #ifdef __x86_64__
680 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedAnd64(__int64 volatile * _Value,__int64 _Mask)681 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask) {
682 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
683 }
684 #endif
685 /*----------------------------------------------------------------------------*\
686 |* Interlocked Or
687 \*----------------------------------------------------------------------------*/
688 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedOr8(char volatile * _Value,char _Mask)689 _InterlockedOr8(char volatile *_Value, char _Mask) {
690 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
691 }
692 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedOr16(short volatile * _Value,short _Mask)693 _InterlockedOr16(short volatile *_Value, short _Mask) {
694 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
695 }
696 static __inline__ long __DEFAULT_FN_ATTRS
_InterlockedOr(long volatile * _Value,long _Mask)697 _InterlockedOr(long volatile *_Value, long _Mask) {
698 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
699 }
700 #ifdef __x86_64__
701 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedOr64(__int64 volatile * _Value,__int64 _Mask)702 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask) {
703 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
704 }
705 #endif
706 /*----------------------------------------------------------------------------*\
707 |* Interlocked Xor
708 \*----------------------------------------------------------------------------*/
709 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedXor8(char volatile * _Value,char _Mask)710 _InterlockedXor8(char volatile *_Value, char _Mask) {
711 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
712 }
713 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedXor16(short volatile * _Value,short _Mask)714 _InterlockedXor16(short volatile *_Value, short _Mask) {
715 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
716 }
717 static __inline__ long __DEFAULT_FN_ATTRS
_InterlockedXor(long volatile * _Value,long _Mask)718 _InterlockedXor(long volatile *_Value, long _Mask) {
719 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
720 }
721 #ifdef __x86_64__
722 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedXor64(__int64 volatile * _Value,__int64 _Mask)723 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask) {
724 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
725 }
726 #endif
727 /*----------------------------------------------------------------------------*\
728 |* Interlocked Exchange
729 \*----------------------------------------------------------------------------*/
730 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedExchange8(char volatile * _Target,char _Value)731 _InterlockedExchange8(char volatile *_Target, char _Value) {
732 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
733 return _Value;
734 }
735 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedExchange16(short volatile * _Target,short _Value)736 _InterlockedExchange16(short volatile *_Target, short _Value) {
737 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
738 return _Value;
739 }
740 #ifdef __x86_64__
741 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedExchange64(__int64 volatile * _Target,__int64 _Value)742 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value) {
743 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
744 return _Value;
745 }
746 #endif
747 /*----------------------------------------------------------------------------*\
748 |* Interlocked Compare Exchange
749 \*----------------------------------------------------------------------------*/
750 static __inline__ char __DEFAULT_FN_ATTRS
_InterlockedCompareExchange8(char volatile * _Destination,char _Exchange,char _Comparand)751 _InterlockedCompareExchange8(char volatile *_Destination,
752 char _Exchange, char _Comparand) {
753 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0,
754 __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
755 return _Comparand;
756 }
757 static __inline__ short __DEFAULT_FN_ATTRS
_InterlockedCompareExchange16(short volatile * _Destination,short _Exchange,short _Comparand)758 _InterlockedCompareExchange16(short volatile *_Destination,
759 short _Exchange, short _Comparand) {
760 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0,
761 __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
762 return _Comparand;
763 }
764 static __inline__ __int64 __DEFAULT_FN_ATTRS
_InterlockedCompareExchange64(__int64 volatile * _Destination,__int64 _Exchange,__int64 _Comparand)765 _InterlockedCompareExchange64(__int64 volatile *_Destination,
766 __int64 _Exchange, __int64 _Comparand) {
767 __atomic_compare_exchange(_Destination, &_Comparand, &_Exchange, 0,
768 __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
769 return _Comparand;
770 }
771 /*----------------------------------------------------------------------------*\
772 |* Barriers
773 \*----------------------------------------------------------------------------*/
774 static __inline__ void __DEFAULT_FN_ATTRS
775 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
_ReadWriteBarrier(void)776 _ReadWriteBarrier(void) {
777 __atomic_signal_fence(__ATOMIC_SEQ_CST);
778 }
779 static __inline__ void __DEFAULT_FN_ATTRS
780 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
_ReadBarrier(void)781 _ReadBarrier(void) {
782 __atomic_signal_fence(__ATOMIC_SEQ_CST);
783 }
784 static __inline__ void __DEFAULT_FN_ATTRS
785 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
_WriteBarrier(void)786 _WriteBarrier(void) {
787 __atomic_signal_fence(__ATOMIC_SEQ_CST);
788 }
789 #ifdef __x86_64__
790 static __inline__ void __DEFAULT_FN_ATTRS
__faststorefence(void)791 __faststorefence(void) {
792 __atomic_thread_fence(__ATOMIC_SEQ_CST);
793 }
794 #endif
795 /*----------------------------------------------------------------------------*\
796 |* readfs, readgs
797 |* (Pointers in address space #256 and #257 are relative to the GS and FS
798 |* segment registers, respectively.)
799 \*----------------------------------------------------------------------------*/
800 #define __ptr_to_addr_space(__addr_space_nbr, __type, __offset) \
801 ((volatile __type __attribute__((__address_space__(__addr_space_nbr)))*) \
802 (__offset))
803
804 #ifdef __i386__
805 static __inline__ unsigned char __DEFAULT_FN_ATTRS
__readfsbyte(unsigned long __offset)806 __readfsbyte(unsigned long __offset) {
807 return *__ptr_to_addr_space(257, unsigned char, __offset);
808 }
809 static __inline__ unsigned short __DEFAULT_FN_ATTRS
__readfsword(unsigned long __offset)810 __readfsword(unsigned long __offset) {
811 return *__ptr_to_addr_space(257, unsigned short, __offset);
812 }
813 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
__readfsqword(unsigned long __offset)814 __readfsqword(unsigned long __offset) {
815 return *__ptr_to_addr_space(257, unsigned __int64, __offset);
816 }
817 #endif
818 #ifdef __x86_64__
819 static __inline__ unsigned char __DEFAULT_FN_ATTRS
__readgsbyte(unsigned long __offset)820 __readgsbyte(unsigned long __offset) {
821 return *__ptr_to_addr_space(256, unsigned char, __offset);
822 }
823 static __inline__ unsigned short __DEFAULT_FN_ATTRS
__readgsword(unsigned long __offset)824 __readgsword(unsigned long __offset) {
825 return *__ptr_to_addr_space(256, unsigned short, __offset);
826 }
827 static __inline__ unsigned long __DEFAULT_FN_ATTRS
__readgsdword(unsigned long __offset)828 __readgsdword(unsigned long __offset) {
829 return *__ptr_to_addr_space(256, unsigned long, __offset);
830 }
831 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
__readgsqword(unsigned long __offset)832 __readgsqword(unsigned long __offset) {
833 return *__ptr_to_addr_space(256, unsigned __int64, __offset);
834 }
835 #endif
836 #undef __ptr_to_addr_space
837 /*----------------------------------------------------------------------------*\
838 |* movs, stos
839 \*----------------------------------------------------------------------------*/
840 #if defined(__i386__) || defined(__x86_64__)
841 static __inline__ void __DEFAULT_FN_ATTRS
__movsb(unsigned char * __dst,unsigned char const * __src,size_t __n)842 __movsb(unsigned char *__dst, unsigned char const *__src, size_t __n) {
843 __asm__("rep movsb" : : "D"(__dst), "S"(__src), "c"(__n)
844 : "%edi", "%esi", "%ecx");
845 }
846 static __inline__ void __DEFAULT_FN_ATTRS
__movsd(unsigned long * __dst,unsigned long const * __src,size_t __n)847 __movsd(unsigned long *__dst, unsigned long const *__src, size_t __n) {
848 __asm__("rep movsl" : : "D"(__dst), "S"(__src), "c"(__n)
849 : "%edi", "%esi", "%ecx");
850 }
851 static __inline__ void __DEFAULT_FN_ATTRS
__movsw(unsigned short * __dst,unsigned short const * __src,size_t __n)852 __movsw(unsigned short *__dst, unsigned short const *__src, size_t __n) {
853 __asm__("rep movsw" : : "D"(__dst), "S"(__src), "c"(__n)
854 : "%edi", "%esi", "%ecx");
855 }
856 static __inline__ void __DEFAULT_FN_ATTRS
__stosb(unsigned char * __dst,unsigned char __x,size_t __n)857 __stosb(unsigned char *__dst, unsigned char __x, size_t __n) {
858 __asm__("rep stosb" : : "D"(__dst), "a"(__x), "c"(__n)
859 : "%edi", "%ecx");
860 }
861 static __inline__ void __DEFAULT_FN_ATTRS
__stosd(unsigned long * __dst,unsigned long __x,size_t __n)862 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) {
863 __asm__("rep stosl" : : "D"(__dst), "a"(__x), "c"(__n)
864 : "%edi", "%ecx");
865 }
866 static __inline__ void __DEFAULT_FN_ATTRS
__stosw(unsigned short * __dst,unsigned short __x,size_t __n)867 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) {
868 __asm__("rep stosw" : : "D"(__dst), "a"(__x), "c"(__n)
869 : "%edi", "%ecx");
870 }
871 #endif
872 #ifdef __x86_64__
873 static __inline__ void __DEFAULT_FN_ATTRS
__movsq(unsigned long long * __dst,unsigned long long const * __src,size_t __n)874 __movsq(unsigned long long *__dst, unsigned long long const *__src, size_t __n) {
875 __asm__("rep movsq" : : "D"(__dst), "S"(__src), "c"(__n)
876 : "%edi", "%esi", "%ecx");
877 }
878 static __inline__ void __DEFAULT_FN_ATTRS
__stosq(unsigned __int64 * __dst,unsigned __int64 __x,size_t __n)879 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) {
880 __asm__("rep stosq" : : "D"(__dst), "a"(__x), "c"(__n)
881 : "%edi", "%ecx");
882 }
883 #endif
884
885 /*----------------------------------------------------------------------------*\
886 |* Misc
887 \*----------------------------------------------------------------------------*/
888 static __inline__ void * __DEFAULT_FN_ATTRS
_AddressOfReturnAddress(void)889 _AddressOfReturnAddress(void) {
890 return (void*)((char*)__builtin_frame_address(0) + sizeof(void*));
891 }
892 static __inline__ void * __DEFAULT_FN_ATTRS
_ReturnAddress(void)893 _ReturnAddress(void) {
894 return __builtin_return_address(0);
895 }
896 #if defined(__i386__) || defined(__x86_64__)
897 static __inline__ void __DEFAULT_FN_ATTRS
__cpuid(int __info[4],int __level)898 __cpuid(int __info[4], int __level) {
899 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
900 : "a"(__level));
901 }
902 static __inline__ void __DEFAULT_FN_ATTRS
__cpuidex(int __info[4],int __level,int __ecx)903 __cpuidex(int __info[4], int __level, int __ecx) {
904 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
905 : "a"(__level), "c"(__ecx));
906 }
907 static __inline__ unsigned __int64 __cdecl __DEFAULT_FN_ATTRS
_xgetbv(unsigned int __xcr_no)908 _xgetbv(unsigned int __xcr_no) {
909 unsigned int __eax, __edx;
910 __asm__ ("xgetbv" : "=a" (__eax), "=d" (__edx) : "c" (__xcr_no));
911 return ((unsigned __int64)__edx << 32) | __eax;
912 }
913 static __inline__ void __DEFAULT_FN_ATTRS
__halt(void)914 __halt(void) {
915 __asm__ volatile ("hlt");
916 }
917 #endif
918
919 /*----------------------------------------------------------------------------*\
920 |* Privileged intrinsics
921 \*----------------------------------------------------------------------------*/
922 #if defined(__i386__) || defined(__x86_64__)
923 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
__readmsr(unsigned long __register)924 __readmsr(unsigned long __register) {
925 // Loads the contents of a 64-bit model specific register (MSR) specified in
926 // the ECX register into registers EDX:EAX. The EDX register is loaded with
927 // the high-order 32 bits of the MSR and the EAX register is loaded with the
928 // low-order 32 bits. If less than 64 bits are implemented in the MSR being
929 // read, the values returned to EDX:EAX in unimplemented bit locations are
930 // undefined.
931 unsigned long __edx;
932 unsigned long __eax;
933 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));
934 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;
935 }
936
937 static __inline__ unsigned long __DEFAULT_FN_ATTRS
__readcr3(void)938 __readcr3(void) {
939 unsigned long __cr3_val;
940 __asm__ __volatile__ ("mov %%cr3, %0" : "=q"(__cr3_val) : : "memory");
941 return __cr3_val;
942 }
943
944 static __inline__ void __DEFAULT_FN_ATTRS
__writecr3(unsigned int __cr3_val)945 __writecr3(unsigned int __cr3_val) {
946 __asm__ ("mov %0, %%cr3" : : "q"(__cr3_val) : "memory");
947 }
948 #endif
949
950 #ifdef __cplusplus
951 }
952 #endif
953
954 #undef __DEFAULT_FN_ATTRS
955
956 #endif /* __INTRIN_H */
957 #endif /* _MSC_VER */
958