1 /* ===-------- intrin.h ---------------------------------------------------===
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:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
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
21 *===-----------------------------------------------------------------------===
24 /* Only include this if we're compiling for the windows platform. */
26 #include_next <intrin.h>
32 /* First include the standard intrinsics. */
33 #if defined(__i386__) || defined(__x86_64__)
34 #include <x86intrin.h>
37 /* For the definition of jmp_buf. */
42 /* Define the default attributes for the functions in this file. */
43 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
50 /* And the random ones that aren't in those files. */
51 __m64 _m_from_float(float);
52 float _m_to_float(__m64);
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 *);
61 void __cpuid(int[4], int);
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);
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);
79 void __invlpg(void *);
80 unsigned short __inword(unsigned short);
81 void __inwordstring(unsigned short, unsigned short *, unsigned long);
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);
91 void __movsb(unsigned char *, unsigned char const *, size_t);
93 void __movsd(unsigned long *, unsigned long const *, size_t);
95 void __movsw(unsigned short *, unsigned short const *, size_t);
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);
106 unsigned int __popcnt(unsigned int);
108 unsigned short __popcnt16(unsigned short);
109 unsigned long __readcr0(void);
110 unsigned long __readcr2(void);
112 unsigned long __readcr3(void);
113 unsigned long __readcr4(void);
114 unsigned long __readcr8(void);
115 unsigned int __readdr(unsigned int);
118 unsigned char __readfsbyte(unsigned long);
120 unsigned long __readfsdword(unsigned long);
122 unsigned __int64 __readfsqword(unsigned long);
124 unsigned short __readfsword(unsigned long);
127 unsigned __int64 __readmsr(unsigned long);
128 unsigned __int64 __readpmc(unsigned long);
129 unsigned long __segmentlimit(unsigned long);
131 void *__slwpcb(void);
133 void __stosb(unsigned char *, unsigned char, size_t);
135 void __stosd(unsigned long *, unsigned long, size_t);
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);
146 unsigned __int64 __ull_rshift(unsigned __int64, int);
147 void __vmx_off(void);
148 void __vmx_vmptrst(unsigned __int64 *);
150 void __writecr0(unsigned int);
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);
162 void *_AddressOfReturnAddress(void);
164 unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask);
166 unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask);
168 unsigned char _bittest(long const *, long);
170 unsigned char _bittestandcomplement(long *, long);
172 unsigned char _bittestandreset(long *, long);
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);
182 long _InterlockedAnd(long volatile *_Value, long _Mask);
184 short _InterlockedAnd16(short volatile *_Value, short _Mask);
186 char _InterlockedAnd8(char volatile *_Value, char _Mask);
187 unsigned char _interlockedbittestandreset(long volatile *, long);
189 unsigned char _interlockedbittestandset(long volatile *, long);
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);
196 short _InterlockedCompareExchange16(short volatile *_Destination,
197 short _Exchange, short _Comparand);
199 __int64 _InterlockedCompareExchange64(__int64 volatile *_Destination,
200 __int64 _Exchange, __int64 _Comparand);
201 __int64 _InterlockedcompareExchange64_HLEAcquire(__int64 volatile *, __int64,
203 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __int64,
206 char _InterlockedCompareExchange8(char volatile *_Destination, char _Exchange,
208 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *,
210 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *,
213 long __cdecl _InterlockedDecrement(long volatile *_Addend);
215 short _InterlockedDecrement16(short volatile *_Addend);
216 long _InterlockedExchange(long volatile *_Target, long _Value);
218 short _InterlockedExchange16(short volatile *_Target, short _Value);
220 char _InterlockedExchange8(char volatile *_Target, char _Value);
222 long __cdecl _InterlockedExchangeAdd(long volatile *_Addend, long _Value);
223 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long);
224 long _InterlockedExchangeAdd_HLERelease(long volatile *, long);
226 short _InterlockedExchangeAdd16(short volatile *_Addend, short _Value);
227 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64);
228 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64);
230 char _InterlockedExchangeAdd8(char volatile *_Addend, char _Value);
232 long __cdecl _InterlockedIncrement(long volatile *_Addend);
234 short _InterlockedIncrement16(short volatile *_Addend);
236 long _InterlockedOr(long volatile *_Value, long _Mask);
238 short _InterlockedOr16(short volatile *_Value, short _Mask);
240 char _InterlockedOr8(char volatile *_Value, char _Mask);
242 long _InterlockedXor(long volatile *_Value, long _Mask);
244 short _InterlockedXor16(short volatile *_Value, short _Mask);
246 char _InterlockedXor8(char volatile *_Value, char _Mask);
247 void __cdecl _invpcid(unsigned int, void *);
249 unsigned long __cdecl _lrotl(unsigned long, int);
251 unsigned long __cdecl _lrotr(unsigned long, int);
253 void _ReadBarrier(void);
255 void _ReadWriteBarrier(void);
257 void *_ReturnAddress(void);
258 unsigned int _rorx_u32(unsigned int, const unsigned int);
260 unsigned int __cdecl _rotl(unsigned int _Value, int _Shift);
262 unsigned short _rotl16(unsigned short _Value, unsigned char _Shift);
264 unsigned __int64 __cdecl _rotl64(unsigned __int64 _Value, int _Shift);
266 unsigned char _rotl8(unsigned char _Value, unsigned char _Shift);
268 unsigned int __cdecl _rotr(unsigned int _Value, int _Shift);
270 unsigned short _rotr16(unsigned short _Value, unsigned char _Shift);
272 unsigned __int64 __cdecl _rotr64(unsigned __int64 _Value, int _Shift);
274 unsigned char _rotr8(unsigned char _Value, unsigned char _Shift);
275 int _sarx_i32(int, unsigned int);
277 int __cdecl _setjmp(jmp_buf);
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 *);
285 void _WriteBarrier(void);
286 unsigned __int32 xbegin(void);
289 #define _XCR_XFEATURE_ENABLED_MASK 0
290 unsigned __int64 __cdecl _xgetbv(unsigned int);
291 void __cdecl _xsetbv(unsigned int, unsigned __int64);
293 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */
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);
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);
309 void __movsq(unsigned long long *, unsigned long long const *, size_t);
310 __int64 __mulh(__int64, __int64);
312 unsigned __int64 __popcnt64(unsigned __int64);
314 unsigned char __readgsbyte(unsigned long);
316 unsigned long __readgsdword(unsigned long);
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);
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);
340 unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask);
342 unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask);
344 unsigned char _bittest64(__int64 const *, __int64);
346 unsigned char _bittestandcomplement64(__int64 *, __int64);
348 unsigned char _bittestandreset64(__int64 *, __int64);
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);
358 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64);
359 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange,
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,
373 __int64 _InterlockedCompareExchange64_HLERelease(__int64 volatile *, __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);
382 __int64 _InterlockedDecrement64(__int64 volatile *_Addend);
384 __int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value);
386 __int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value);
387 void *_InterlockedExchangePointer(void *volatile *_Target, void *_Value);
389 __int64 _InterlockedIncrement64(__int64 volatile *_Addend);
390 long _InterlockedOr_np(long volatile *_Value, long _Mask);
391 short _InterlockedOr16_np(short volatile *_Value, short _Mask);
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);
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);
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);
408 int __cdecl _setjmpex(jmp_buf);
410 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);
411 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int);
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.
416 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
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;
424 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
425 __umulh(unsigned __int64 _Multiplier, unsigned __int64 _Multiplicand) {
426 unsigned __int128 _FullProduct =
427 (unsigned __int128)_Multiplier * (unsigned __int128)_Multiplicand;
428 return _FullProduct >> 64;
431 #endif /* __x86_64__ */
433 /*----------------------------------------------------------------------------*\
435 \*----------------------------------------------------------------------------*/
436 static __inline__ __int64 __DEFAULT_FN_ATTRS
437 __emul(int __in1, int __in2) {
438 return (__int64)__in1 * (__int64)__in2;
440 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
441 __emulu(unsigned int __in1, unsigned int __in2) {
442 return (unsigned __int64)__in1 * (unsigned __int64)__in2;
444 /*----------------------------------------------------------------------------*\
446 \*----------------------------------------------------------------------------*/
447 static __inline__ unsigned char __DEFAULT_FN_ATTRS
448 _rotl8(unsigned char _Value, unsigned char _Shift) {
450 return _Shift ? (_Value << _Shift) | (_Value >> (8 - _Shift)) : _Value;
452 static __inline__ unsigned char __DEFAULT_FN_ATTRS
453 _rotr8(unsigned char _Value, unsigned char _Shift) {
455 return _Shift ? (_Value >> _Shift) | (_Value << (8 - _Shift)) : _Value;
457 static __inline__ unsigned short __DEFAULT_FN_ATTRS
458 _rotl16(unsigned short _Value, unsigned char _Shift) {
460 return _Shift ? (_Value << _Shift) | (_Value >> (16 - _Shift)) : _Value;
462 static __inline__ unsigned short __DEFAULT_FN_ATTRS
463 _rotr16(unsigned short _Value, unsigned char _Shift) {
465 return _Shift ? (_Value >> _Shift) | (_Value << (16 - _Shift)) : _Value;
467 static __inline__ unsigned int __DEFAULT_FN_ATTRS
468 _rotl(unsigned int _Value, int _Shift) {
470 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
472 static __inline__ unsigned int __DEFAULT_FN_ATTRS
473 _rotr(unsigned int _Value, int _Shift) {
475 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
477 static __inline__ unsigned long __DEFAULT_FN_ATTRS
478 _lrotl(unsigned long _Value, int _Shift) {
480 return _Shift ? (_Value << _Shift) | (_Value >> (32 - _Shift)) : _Value;
482 static __inline__ unsigned long __DEFAULT_FN_ATTRS
483 _lrotr(unsigned long _Value, int _Shift) {
485 return _Shift ? (_Value >> _Shift) | (_Value << (32 - _Shift)) : _Value;
488 __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
489 _rotl64(unsigned __int64 _Value, int _Shift) {
491 return _Shift ? (_Value << _Shift) | (_Value >> (64 - _Shift)) : _Value;
494 __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
495 _rotr64(unsigned __int64 _Value, int _Shift) {
497 return _Shift ? (_Value >> _Shift) | (_Value << (64 - _Shift)) : _Value;
499 /*----------------------------------------------------------------------------*\
500 |* Bit Counting and Testing
501 \*----------------------------------------------------------------------------*/
502 static __inline__ unsigned char __DEFAULT_FN_ATTRS
503 _BitScanForward(unsigned long *_Index, unsigned long _Mask) {
506 *_Index = __builtin_ctzl(_Mask);
509 static __inline__ unsigned char __DEFAULT_FN_ATTRS
510 _BitScanReverse(unsigned long *_Index, unsigned long _Mask) {
513 *_Index = 31 - __builtin_clzl(_Mask);
516 static __inline__ unsigned short __DEFAULT_FN_ATTRS
517 __popcnt16(unsigned short _Value) {
518 return __builtin_popcount((int)_Value);
520 static __inline__ unsigned int __DEFAULT_FN_ATTRS
521 __popcnt(unsigned int _Value) {
522 return __builtin_popcount(_Value);
524 static __inline__ unsigned char __DEFAULT_FN_ATTRS
525 _bittest(long const *_BitBase, long _BitPos) {
526 return (*_BitBase >> _BitPos) & 1;
528 static __inline__ unsigned char __DEFAULT_FN_ATTRS
529 _bittestandcomplement(long *_BitBase, long _BitPos) {
530 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
531 *_BitBase = *_BitBase ^ (1 << _BitPos);
534 static __inline__ unsigned char __DEFAULT_FN_ATTRS
535 _bittestandreset(long *_BitBase, long _BitPos) {
536 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
537 *_BitBase = *_BitBase & ~(1 << _BitPos);
540 static __inline__ unsigned char __DEFAULT_FN_ATTRS
541 _bittestandset(long *_BitBase, long _BitPos) {
542 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
543 *_BitBase = *_BitBase | (1 << _BitPos);
546 static __inline__ unsigned char __DEFAULT_FN_ATTRS
547 _interlockedbittestandset(long volatile *_BitBase, long _BitPos) {
548 long _PrevVal = __atomic_fetch_or(_BitBase, 1l << _BitPos, __ATOMIC_SEQ_CST);
549 return (_PrevVal >> _BitPos) & 1;
552 static __inline__ unsigned char __DEFAULT_FN_ATTRS
553 _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask) {
556 *_Index = __builtin_ctzll(_Mask);
559 static __inline__ unsigned char __DEFAULT_FN_ATTRS
560 _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask) {
563 *_Index = 63 - __builtin_clzll(_Mask);
567 unsigned __int64 __DEFAULT_FN_ATTRS
568 __popcnt64(unsigned __int64 _Value) {
569 return __builtin_popcountll(_Value);
571 static __inline__ unsigned char __DEFAULT_FN_ATTRS
572 _bittest64(__int64 const *_BitBase, __int64 _BitPos) {
573 return (*_BitBase >> _BitPos) & 1;
575 static __inline__ unsigned char __DEFAULT_FN_ATTRS
576 _bittestandcomplement64(__int64 *_BitBase, __int64 _BitPos) {
577 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
578 *_BitBase = *_BitBase ^ (1ll << _BitPos);
581 static __inline__ unsigned char __DEFAULT_FN_ATTRS
582 _bittestandreset64(__int64 *_BitBase, __int64 _BitPos) {
583 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
584 *_BitBase = *_BitBase & ~(1ll << _BitPos);
587 static __inline__ unsigned char __DEFAULT_FN_ATTRS
588 _bittestandset64(__int64 *_BitBase, __int64 _BitPos) {
589 unsigned char _Res = (*_BitBase >> _BitPos) & 1;
590 *_BitBase = *_BitBase | (1ll << _BitPos);
593 static __inline__ unsigned char __DEFAULT_FN_ATTRS
594 _interlockedbittestandset64(__int64 volatile *_BitBase, __int64 _BitPos) {
596 __atomic_fetch_or(_BitBase, 1ll << _BitPos, __ATOMIC_SEQ_CST);
597 return (_PrevVal >> _BitPos) & 1;
600 /*----------------------------------------------------------------------------*\
601 |* Interlocked Exchange Add
602 \*----------------------------------------------------------------------------*/
603 static __inline__ char __DEFAULT_FN_ATTRS
604 _InterlockedExchangeAdd8(char volatile *_Addend, char _Value) {
605 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
607 static __inline__ short __DEFAULT_FN_ATTRS
608 _InterlockedExchangeAdd16(short volatile *_Addend, short _Value) {
609 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
612 static __inline__ __int64 __DEFAULT_FN_ATTRS
613 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value) {
614 return __atomic_fetch_add(_Addend, _Value, __ATOMIC_SEQ_CST);
617 /*----------------------------------------------------------------------------*\
618 |* Interlocked Exchange Sub
619 \*----------------------------------------------------------------------------*/
620 static __inline__ char __DEFAULT_FN_ATTRS
621 _InterlockedExchangeSub8(char volatile *_Subend, char _Value) {
622 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
624 static __inline__ short __DEFAULT_FN_ATTRS
625 _InterlockedExchangeSub16(short volatile *_Subend, short _Value) {
626 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
628 static __inline__ long __DEFAULT_FN_ATTRS
629 _InterlockedExchangeSub(long volatile *_Subend, long _Value) {
630 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
633 static __inline__ __int64 __DEFAULT_FN_ATTRS
634 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value) {
635 return __atomic_fetch_sub(_Subend, _Value, __ATOMIC_SEQ_CST);
638 /*----------------------------------------------------------------------------*\
639 |* Interlocked Increment
640 \*----------------------------------------------------------------------------*/
641 static __inline__ short __DEFAULT_FN_ATTRS
642 _InterlockedIncrement16(short volatile *_Value) {
643 return __atomic_add_fetch(_Value, 1, __ATOMIC_SEQ_CST);
646 static __inline__ __int64 __DEFAULT_FN_ATTRS
647 _InterlockedIncrement64(__int64 volatile *_Value) {
648 return __atomic_add_fetch(_Value, 1, __ATOMIC_SEQ_CST);
651 /*----------------------------------------------------------------------------*\
652 |* Interlocked Decrement
653 \*----------------------------------------------------------------------------*/
654 static __inline__ short __DEFAULT_FN_ATTRS
655 _InterlockedDecrement16(short volatile *_Value) {
656 return __atomic_sub_fetch(_Value, 1, __ATOMIC_SEQ_CST);
659 static __inline__ __int64 __DEFAULT_FN_ATTRS
660 _InterlockedDecrement64(__int64 volatile *_Value) {
661 return __atomic_sub_fetch(_Value, 1, __ATOMIC_SEQ_CST);
664 /*----------------------------------------------------------------------------*\
666 \*----------------------------------------------------------------------------*/
667 static __inline__ char __DEFAULT_FN_ATTRS
668 _InterlockedAnd8(char volatile *_Value, char _Mask) {
669 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
671 static __inline__ short __DEFAULT_FN_ATTRS
672 _InterlockedAnd16(short volatile *_Value, short _Mask) {
673 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
675 static __inline__ long __DEFAULT_FN_ATTRS
676 _InterlockedAnd(long volatile *_Value, long _Mask) {
677 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
680 static __inline__ __int64 __DEFAULT_FN_ATTRS
681 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask) {
682 return __atomic_fetch_and(_Value, _Mask, __ATOMIC_SEQ_CST);
685 /*----------------------------------------------------------------------------*\
687 \*----------------------------------------------------------------------------*/
688 static __inline__ char __DEFAULT_FN_ATTRS
689 _InterlockedOr8(char volatile *_Value, char _Mask) {
690 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
692 static __inline__ short __DEFAULT_FN_ATTRS
693 _InterlockedOr16(short volatile *_Value, short _Mask) {
694 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
696 static __inline__ long __DEFAULT_FN_ATTRS
697 _InterlockedOr(long volatile *_Value, long _Mask) {
698 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
701 static __inline__ __int64 __DEFAULT_FN_ATTRS
702 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask) {
703 return __atomic_fetch_or(_Value, _Mask, __ATOMIC_SEQ_CST);
706 /*----------------------------------------------------------------------------*\
708 \*----------------------------------------------------------------------------*/
709 static __inline__ char __DEFAULT_FN_ATTRS
710 _InterlockedXor8(char volatile *_Value, char _Mask) {
711 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
713 static __inline__ short __DEFAULT_FN_ATTRS
714 _InterlockedXor16(short volatile *_Value, short _Mask) {
715 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
717 static __inline__ long __DEFAULT_FN_ATTRS
718 _InterlockedXor(long volatile *_Value, long _Mask) {
719 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
722 static __inline__ __int64 __DEFAULT_FN_ATTRS
723 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask) {
724 return __atomic_fetch_xor(_Value, _Mask, __ATOMIC_SEQ_CST);
727 /*----------------------------------------------------------------------------*\
728 |* Interlocked Exchange
729 \*----------------------------------------------------------------------------*/
730 static __inline__ char __DEFAULT_FN_ATTRS
731 _InterlockedExchange8(char volatile *_Target, char _Value) {
732 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
735 static __inline__ short __DEFAULT_FN_ATTRS
736 _InterlockedExchange16(short volatile *_Target, short _Value) {
737 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
741 static __inline__ __int64 __DEFAULT_FN_ATTRS
742 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value) {
743 __atomic_exchange(_Target, &_Value, &_Value, __ATOMIC_SEQ_CST);
747 /*----------------------------------------------------------------------------*\
748 |* Interlocked Compare Exchange
749 \*----------------------------------------------------------------------------*/
750 static __inline__ char __DEFAULT_FN_ATTRS
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);
757 static __inline__ short __DEFAULT_FN_ATTRS
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);
764 static __inline__ __int64 __DEFAULT_FN_ATTRS
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);
771 /*----------------------------------------------------------------------------*\
773 \*----------------------------------------------------------------------------*/
774 static __inline__ void __DEFAULT_FN_ATTRS
775 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
776 _ReadWriteBarrier(void) {
777 __atomic_signal_fence(__ATOMIC_SEQ_CST);
779 static __inline__ void __DEFAULT_FN_ATTRS
780 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
782 __atomic_signal_fence(__ATOMIC_SEQ_CST);
784 static __inline__ void __DEFAULT_FN_ATTRS
785 __attribute__((__deprecated__("use other intrinsics or C++11 atomics instead")))
786 _WriteBarrier(void) {
787 __atomic_signal_fence(__ATOMIC_SEQ_CST);
790 static __inline__ void __DEFAULT_FN_ATTRS
791 __faststorefence(void) {
792 __atomic_thread_fence(__ATOMIC_SEQ_CST);
795 /*----------------------------------------------------------------------------*\
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)))*) \
805 static __inline__ unsigned char __DEFAULT_FN_ATTRS
806 __readfsbyte(unsigned long __offset) {
807 return *__ptr_to_addr_space(257, unsigned char, __offset);
809 static __inline__ unsigned short __DEFAULT_FN_ATTRS
810 __readfsword(unsigned long __offset) {
811 return *__ptr_to_addr_space(257, unsigned short, __offset);
813 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
814 __readfsqword(unsigned long __offset) {
815 return *__ptr_to_addr_space(257, unsigned __int64, __offset);
819 static __inline__ unsigned char __DEFAULT_FN_ATTRS
820 __readgsbyte(unsigned long __offset) {
821 return *__ptr_to_addr_space(256, unsigned char, __offset);
823 static __inline__ unsigned short __DEFAULT_FN_ATTRS
824 __readgsword(unsigned long __offset) {
825 return *__ptr_to_addr_space(256, unsigned short, __offset);
827 static __inline__ unsigned long __DEFAULT_FN_ATTRS
828 __readgsdword(unsigned long __offset) {
829 return *__ptr_to_addr_space(256, unsigned long, __offset);
831 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
832 __readgsqword(unsigned long __offset) {
833 return *__ptr_to_addr_space(256, unsigned __int64, __offset);
836 #undef __ptr_to_addr_space
837 /*----------------------------------------------------------------------------*\
839 \*----------------------------------------------------------------------------*/
840 #if defined(__i386__) || defined(__x86_64__)
841 static __inline__ void __DEFAULT_FN_ATTRS
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");
846 static __inline__ void __DEFAULT_FN_ATTRS
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");
851 static __inline__ void __DEFAULT_FN_ATTRS
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");
856 static __inline__ void __DEFAULT_FN_ATTRS
857 __stosb(unsigned char *__dst, unsigned char __x, size_t __n) {
858 __asm__("rep stosb" : : "D"(__dst), "a"(__x), "c"(__n)
861 static __inline__ void __DEFAULT_FN_ATTRS
862 __stosd(unsigned long *__dst, unsigned long __x, size_t __n) {
863 __asm__("rep stosl" : : "D"(__dst), "a"(__x), "c"(__n)
866 static __inline__ void __DEFAULT_FN_ATTRS
867 __stosw(unsigned short *__dst, unsigned short __x, size_t __n) {
868 __asm__("rep stosw" : : "D"(__dst), "a"(__x), "c"(__n)
873 static __inline__ void __DEFAULT_FN_ATTRS
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");
878 static __inline__ void __DEFAULT_FN_ATTRS
879 __stosq(unsigned __int64 *__dst, unsigned __int64 __x, size_t __n) {
880 __asm__("rep stosq" : : "D"(__dst), "a"(__x), "c"(__n)
885 /*----------------------------------------------------------------------------*\
887 \*----------------------------------------------------------------------------*/
888 static __inline__ void * __DEFAULT_FN_ATTRS
889 _AddressOfReturnAddress(void) {
890 return (void*)((char*)__builtin_frame_address(0) + sizeof(void*));
892 static __inline__ void * __DEFAULT_FN_ATTRS
893 _ReturnAddress(void) {
894 return __builtin_return_address(0);
896 #if defined(__i386__) || defined(__x86_64__)
897 static __inline__ void __DEFAULT_FN_ATTRS
898 __cpuid(int __info[4], int __level) {
899 __asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
902 static __inline__ void __DEFAULT_FN_ATTRS
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));
907 static __inline__ unsigned __int64 __cdecl __DEFAULT_FN_ATTRS
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;
913 static __inline__ void __DEFAULT_FN_ATTRS
915 __asm__ volatile ("hlt");
919 /*----------------------------------------------------------------------------*\
920 |* Privileged intrinsics
921 \*----------------------------------------------------------------------------*/
922 #if defined(__i386__) || defined(__x86_64__)
923 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
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
933 __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));
934 return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;
937 static __inline__ unsigned long __DEFAULT_FN_ATTRS
939 unsigned long __cr3_val;
940 __asm__ __volatile__ ("mov %%cr3, %0" : "=q"(__cr3_val) : : "memory");
944 static __inline__ void __DEFAULT_FN_ATTRS
945 __writecr3(unsigned int __cr3_val) {
946 __asm__ ("mov %0, %%cr3" : : "q"(__cr3_val) : "memory");
954 #undef __DEFAULT_FN_ATTRS
956 #endif /* __INTRIN_H */
957 #endif /* _MSC_VER */