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intrin.h
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1 /* ===-------- intrin.h ---------------------------------------------------===
2  *
3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  * See https://llvm.org/LICENSE.txt for license information.
5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  *
7  *===-----------------------------------------------------------------------===
8  */
9 
10 /* Only include this if we're compiling for the windows platform. */
11 #ifndef _MSC_VER
12 #include_next <intrin.h>
13 #else
14 
15 #ifndef __INTRIN_H
16 #define __INTRIN_H
17 
18 #include <intrin0.h>
19 
20 /* First include the standard intrinsics. */
21 #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))
22 #include <x86intrin.h>
23 #endif
24 
25 #if defined(__arm__)
26 #include <armintr.h>
27 #endif
28 
29 #if defined(__aarch64__) || defined(__arm64ec__)
30 #include <arm64intr.h>
31 #endif
32 
33 /* For the definition of jmp_buf. */
34 #if __STDC_HOSTED__
35 #include <setjmp.h>
36 #endif
37 
38 /* Define the default attributes for the functions in this file. */
39 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
40 
41 #if __x86_64__
42 #define __LPTRINT_TYPE__ __int64
43 #else
44 #define __LPTRINT_TYPE__ long
45 #endif
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 
51 #if defined(__MMX__)
52 /* And the random ones that aren't in those files. */
53 __m64 _m_from_float(float);
54 float _m_to_float(__m64);
55 #endif
56 
57 /* Other assorted instruction intrinsics. */
58 void __addfsbyte(unsigned long, unsigned char);
59 void __addfsdword(unsigned long, unsigned long);
60 void __addfsword(unsigned long, unsigned short);
61 void __code_seg(const char *);
62 void __cpuid(int[4], int);
63 void __cpuidex(int[4], int, int);
64 __int64 __emul(int, int);
65 unsigned __int64 __emulu(unsigned int, unsigned int);
66 unsigned int __getcallerseflags(void);
67 void __halt(void);
68 unsigned char __inbyte(unsigned short);
69 void __inbytestring(unsigned short, unsigned char *, unsigned long);
70 void __incfsbyte(unsigned long);
71 void __incfsdword(unsigned long);
72 void __incfsword(unsigned long);
73 unsigned long __indword(unsigned short);
74 void __indwordstring(unsigned short, unsigned long *, unsigned long);
75 void __int2c(void);
76 void __invlpg(void *);
77 unsigned short __inword(unsigned short);
78 void __inwordstring(unsigned short, unsigned short *, unsigned long);
79 void __lidt(void *);
80 unsigned __int64 __ll_lshift(unsigned __int64, int);
81 __int64 __ll_rshift(__int64, int);
82 void __movsb(unsigned char *, unsigned char const *, size_t);
83 void __movsd(unsigned long *, unsigned long const *, size_t);
84 void __movsw(unsigned short *, unsigned short const *, size_t);
85 void __nop(void);
86 void __nvreg_restore_fence(void);
87 void __nvreg_save_fence(void);
88 void __outbyte(unsigned short, unsigned char);
89 void __outbytestring(unsigned short, unsigned char *, unsigned long);
90 void __outdword(unsigned short, unsigned long);
91 void __outdwordstring(unsigned short, unsigned long *, unsigned long);
92 void __outword(unsigned short, unsigned short);
93 void __outwordstring(unsigned short, unsigned short *, unsigned long);
94 unsigned long __readcr0(void);
95 unsigned long __readcr2(void);
96 unsigned __LPTRINT_TYPE__ __readcr3(void);
97 unsigned long __readcr4(void);
98 unsigned long __readcr8(void);
99 unsigned int __readdr(unsigned int);
100 #ifdef __i386__
101 unsigned char __readfsbyte(unsigned long);
102 unsigned short __readfsword(unsigned long);
103 unsigned long __readfsdword(unsigned long);
104 unsigned __int64 __readfsqword(unsigned long);
105 #endif
106 unsigned __int64 __readmsr(unsigned long);
107 unsigned __int64 __readpmc(unsigned long);
108 unsigned long __segmentlimit(unsigned long);
109 void __sidt(void *);
110 void __stosb(unsigned char *, unsigned char, size_t);
111 void __stosd(unsigned long *, unsigned long, size_t);
112 void __stosw(unsigned short *, unsigned short, size_t);
113 void __svm_clgi(void);
114 void __svm_invlpga(void *, int);
115 void __svm_skinit(int);
116 void __svm_stgi(void);
117 void __svm_vmload(size_t);
118 void __svm_vmrun(size_t);
119 void __svm_vmsave(size_t);
120 void __ud2(void);
121 unsigned __int64 __ull_rshift(unsigned __int64, int);
122 void __vmx_off(void);
123 void __vmx_vmptrst(unsigned __int64 *);
124 void __wbinvd(void);
125 void __writecr0(unsigned int);
126 void __writecr3(unsigned __INTPTR_TYPE__);
127 void __writecr4(unsigned int);
128 void __writecr8(unsigned int);
129 void __writedr(unsigned int, unsigned int);
130 void __writefsbyte(unsigned long, unsigned char);
131 void __writefsdword(unsigned long, unsigned long);
132 void __writefsqword(unsigned long, unsigned __int64);
133 void __writefsword(unsigned long, unsigned short);
134 void __writemsr(unsigned long, unsigned __int64);
135 void *_AddressOfReturnAddress(void);
136 unsigned char _bittest(long const *, long);
137 unsigned char _bittestandcomplement(long *, long);
138 unsigned char _bittestandreset(long *, long);
139 unsigned char _bittestandset(long *, long);
140 void __cdecl _disable(void);
141 void __cdecl _enable(void);
142 long _InterlockedAddLargeStatistic(__int64 volatile *_Addend, long _Value);
143 unsigned char _interlockedbittestandreset(long volatile *, long);
144 unsigned char _interlockedbittestandset(long volatile *, long);
145 void *_InterlockedCompareExchangePointer_HLEAcquire(void *volatile *, void *,
146  void *);
147 void *_InterlockedCompareExchangePointer_HLERelease(void *volatile *, void *,
148  void *);
149 long _InterlockedExchangeAdd_HLEAcquire(long volatile *, long);
150 long _InterlockedExchangeAdd_HLERelease(long volatile *, long);
151 __int64 _InterlockedExchangeAdd64_HLEAcquire(__int64 volatile *, __int64);
152 __int64 _InterlockedExchangeAdd64_HLERelease(__int64 volatile *, __int64);
153 void _ReadBarrier(void);
154 unsigned int _rorx_u32(unsigned int, const unsigned int);
155 int _sarx_i32(int, unsigned int);
156 #if __STDC_HOSTED__
157 int __cdecl _setjmp(jmp_buf);
158 #endif
159 unsigned int _shlx_u32(unsigned int, unsigned int);
160 unsigned int _shrx_u32(unsigned int, unsigned int);
161 void _Store_HLERelease(long volatile *, long);
162 void _Store64_HLERelease(__int64 volatile *, __int64);
163 void _StorePointer_HLERelease(void *volatile *, void *);
164 void _WriteBarrier(void);
165 unsigned __int32 xbegin(void);
166 void _xend(void);
167 
168 /* These additional intrinsics are turned on in x64/amd64/x86_64 mode. */
169 #if defined(__x86_64__) && !defined(__arm64ec__)
170 void __addgsbyte(unsigned long, unsigned char);
171 void __addgsdword(unsigned long, unsigned long);
172 void __addgsqword(unsigned long, unsigned __int64);
173 void __addgsword(unsigned long, unsigned short);
174 void __faststorefence(void);
175 void __incgsbyte(unsigned long);
176 void __incgsdword(unsigned long);
177 void __incgsqword(unsigned long);
178 void __incgsword(unsigned long);
179 void __movsq(unsigned long long *, unsigned long long const *, size_t);
180 unsigned char __readgsbyte(unsigned long);
181 unsigned long __readgsdword(unsigned long);
182 unsigned __int64 __readgsqword(unsigned long);
183 unsigned short __readgsword(unsigned long);
184 void __stosq(unsigned __int64 *, unsigned __int64, size_t);
185 unsigned char __vmx_on(unsigned __int64 *);
186 unsigned char __vmx_vmclear(unsigned __int64 *);
187 unsigned char __vmx_vmlaunch(void);
188 unsigned char __vmx_vmptrld(unsigned __int64 *);
189 unsigned char __vmx_vmread(size_t, size_t *);
190 unsigned char __vmx_vmresume(void);
191 unsigned char __vmx_vmwrite(size_t, size_t);
192 void __writegsbyte(unsigned long, unsigned char);
193 void __writegsdword(unsigned long, unsigned long);
194 void __writegsqword(unsigned long, unsigned __int64);
195 void __writegsword(unsigned long, unsigned short);
196 unsigned char _bittest64(__int64 const *, __int64);
197 unsigned char _bittestandcomplement64(__int64 *, __int64);
198 unsigned char _bittestandreset64(__int64 *, __int64);
199 unsigned char _bittestandset64(__int64 *, __int64);
200 long _InterlockedAnd_np(long volatile *_Value, long _Mask);
201 short _InterlockedAnd16_np(short volatile *_Value, short _Mask);
202 __int64 _InterlockedAnd64_np(__int64 volatile *_Value, __int64 _Mask);
203 char _InterlockedAnd8_np(char volatile *_Value, char _Mask);
204 unsigned char _interlockedbittestandreset64(__int64 volatile *, __int64);
205 unsigned char _interlockedbittestandset64(__int64 volatile *, __int64);
206 long _InterlockedCompareExchange_np(long volatile *_Destination, long _Exchange,
207  long _Comparand);
208 unsigned char _InterlockedCompareExchange128_np(__int64 volatile *_Destination,
209  __int64 _ExchangeHigh,
210  __int64 _ExchangeLow,
211  __int64 *_ComparandResult);
212 short _InterlockedCompareExchange16_np(short volatile *_Destination,
213  short _Exchange, short _Comparand);
214 __int64 _InterlockedCompareExchange64_np(__int64 volatile *_Destination,
215  __int64 _Exchange, __int64 _Comparand);
216 void *_InterlockedCompareExchangePointer_np(void *volatile *_Destination,
217  void *_Exchange, void *_Comparand);
218 long _InterlockedOr_np(long volatile *_Value, long _Mask);
219 short _InterlockedOr16_np(short volatile *_Value, short _Mask);
220 __int64 _InterlockedOr64_np(__int64 volatile *_Value, __int64 _Mask);
221 char _InterlockedOr8_np(char volatile *_Value, char _Mask);
222 long _InterlockedXor_np(long volatile *_Value, long _Mask);
223 short _InterlockedXor16_np(short volatile *_Value, short _Mask);
224 __int64 _InterlockedXor64_np(__int64 volatile *_Value, __int64 _Mask);
225 char _InterlockedXor8_np(char volatile *_Value, char _Mask);
226 unsigned __int64 _rorx_u64(unsigned __int64, const unsigned int);
227 __int64 _sarx_i64(__int64, unsigned int);
228 unsigned __int64 _shlx_u64(unsigned __int64, unsigned int);
229 unsigned __int64 _shrx_u64(unsigned __int64, unsigned int);
230 __int64 __mulh(__int64, __int64);
231 unsigned __int64 __umulh(unsigned __int64, unsigned __int64);
232 __int64 _mul128(__int64, __int64, __int64 *);
233 
234 #endif /* __x86_64__ */
235 
236 /*----------------------------------------------------------------------------*\
237 |* movs, stos
238 \*----------------------------------------------------------------------------*/
239 
240 #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))
241 static __inline__ void __DEFAULT_FN_ATTRS __movsb(unsigned char *__dst,
242  unsigned char const *__src,
243  size_t __n) {
244 #if defined(__x86_64__)
245  __asm__ __volatile__("rep movsb"
246  : "+D"(__dst), "+S"(__src), "+c"(__n)
247  :
248  : "memory");
249 #else
250  __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"
251  "rep movsb\n"
252  "xchg {%%esi, %1|%1, esi}"
253  : "+D"(__dst), "+r"(__src), "+c"(__n)
254  :
255  : "memory");
256 #endif
257 }
258 static __inline__ void __DEFAULT_FN_ATTRS __movsd(unsigned long *__dst,
259  unsigned long const *__src,
260  size_t __n) {
261 #if defined(__x86_64__)
262  __asm__ __volatile__("rep movs{l|d}"
263  : "+D"(__dst), "+S"(__src), "+c"(__n)
264  :
265  : "memory");
266 #else
267  __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"
268  "rep movs{l|d}\n"
269  "xchg {%%esi, %1|%1, esi}"
270  : "+D"(__dst), "+r"(__src), "+c"(__n)
271  :
272  : "memory");
273 #endif
274 }
275 static __inline__ void __DEFAULT_FN_ATTRS __movsw(unsigned short *__dst,
276  unsigned short const *__src,
277  size_t __n) {
278 #if defined(__x86_64__)
279  __asm__ __volatile__("rep movsw"
280  : "+D"(__dst), "+S"(__src), "+c"(__n)
281  :
282  : "memory");
283 #else
284  __asm__ __volatile__("xchg {%%esi, %1|%1, esi}\n"
285  "rep movsw\n"
286  "xchg {%%esi, %1|%1, esi}"
287  : "+D"(__dst), "+r"(__src), "+c"(__n)
288  :
289  : "memory");
290 #endif
291 }
292 static __inline__ void __DEFAULT_FN_ATTRS __stosd(unsigned long *__dst,
293  unsigned long __x,
294  size_t __n) {
295  __asm__ __volatile__("rep stos{l|d}"
296  : "+D"(__dst), "+c"(__n)
297  : "a"(__x)
298  : "memory");
299 }
300 static __inline__ void __DEFAULT_FN_ATTRS __stosw(unsigned short *__dst,
301  unsigned short __x,
302  size_t __n) {
303  __asm__ __volatile__("rep stosw"
304  : "+D"(__dst), "+c"(__n)
305  : "a"(__x)
306  : "memory");
307 }
308 #endif
309 #if defined(__x86_64__) && !defined(__arm64ec__)
310 static __inline__ void __DEFAULT_FN_ATTRS __movsq(
311  unsigned long long *__dst, unsigned long long const *__src, size_t __n) {
312  __asm__ __volatile__("rep movsq"
313  : "+D"(__dst), "+S"(__src), "+c"(__n)
314  :
315  : "memory");
316 }
317 static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned __int64 *__dst,
318  unsigned __int64 __x,
319  size_t __n) {
320  __asm__ __volatile__("rep stosq" : "+D"(__dst), "+c"(__n) : "a"(__x)
321  : "memory");
322 }
323 #endif
324 
325 /*----------------------------------------------------------------------------*\
326 |* Misc
327 \*----------------------------------------------------------------------------*/
328 #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))
329 static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
330  __asm__ volatile("hlt");
331 }
332 
333 static inline unsigned char __inbyte(unsigned short port) {
334  unsigned char ret;
335  __asm__ __volatile__("inb %w1, %b0" : "=a"(ret) : "Nd"(port));
336  return ret;
337 }
338 
339 static inline unsigned short __inword(unsigned short port) {
340  unsigned short ret;
341  __asm__ __volatile__("inw %w1, %w0" : "=a"(ret) : "Nd"(port));
342  return ret;
343 }
344 
345 static inline unsigned long __indword(unsigned short port) {
346  unsigned long ret;
347  __asm__ __volatile__("inl %w1, %k0" : "=a"(ret) : "Nd"(port));
348  return ret;
349 }
350 
351 static inline void __outbyte(unsigned short port, unsigned char data) {
352  __asm__ __volatile__("outb %b0, %w1" : : "a"(data), "Nd"(port));
353 }
354 
355 static inline void __outword(unsigned short port, unsigned short data) {
356  __asm__ __volatile__("outw %w0, %w1" : : "a"(data), "Nd"(port));
357 }
358 
359 static inline void __outdword(unsigned short port, unsigned long data) {
360  __asm__ __volatile__("outl %k0, %w1" : : "a"(data), "Nd"(port));
361 }
362 #endif
363 
364 #if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
365 static __inline__ void __DEFAULT_FN_ATTRS __nop(void) {
366  __asm__ volatile("nop");
367 }
368 #endif
369 
370 /*----------------------------------------------------------------------------*\
371 |* MS AArch64 specific
372 \*----------------------------------------------------------------------------*/
373 #if defined(__aarch64__) || defined(__arm64ec__)
374 unsigned __int64 __getReg(int);
375 long _InterlockedAdd(long volatile *Addend, long Value);
376 __int64 _InterlockedAdd64(__int64 volatile *Addend, __int64 Value);
377 __int64 _ReadStatusReg(int);
378 void _WriteStatusReg(int, __int64);
379 
380 unsigned short __cdecl _byteswap_ushort(unsigned short val);
381 unsigned long __cdecl _byteswap_ulong (unsigned long val);
382 unsigned __int64 __cdecl _byteswap_uint64(unsigned __int64 val);
383 
384 __int64 __mulh(__int64 __a, __int64 __b);
385 unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b);
386 
387 void __break(int);
388 
389 void __writex18byte(unsigned long offset, unsigned char data);
390 void __writex18word(unsigned long offset, unsigned short data);
391 void __writex18dword(unsigned long offset, unsigned long data);
392 void __writex18qword(unsigned long offset, unsigned __int64 data);
393 
394 unsigned char __readx18byte(unsigned long offset);
395 unsigned short __readx18word(unsigned long offset);
396 unsigned long __readx18dword(unsigned long offset);
397 unsigned __int64 __readx18qword(unsigned long offset);
398 
399 double _CopyDoubleFromInt64(__int64);
400 float _CopyFloatFromInt32(__int32);
401 __int32 _CopyInt32FromFloat(float);
402 __int64 _CopyInt64FromDouble(double);
403 
404 unsigned int _CountLeadingOnes(unsigned long);
405 unsigned int _CountLeadingOnes64(unsigned __int64);
406 unsigned int _CountLeadingSigns(long);
407 unsigned int _CountLeadingSigns64(__int64);
408 unsigned int _CountOneBits(unsigned long);
409 unsigned int _CountOneBits64(unsigned __int64);
410 
411 unsigned int __hlt(unsigned int, ...);
412 
413 void __cdecl __prefetch(const void *);
414 
415 #endif
416 
417 /*----------------------------------------------------------------------------*\
418 |* Privileged intrinsics
419 \*----------------------------------------------------------------------------*/
420 #if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))
421 static __inline__ unsigned __int64 __DEFAULT_FN_ATTRS
422 __readmsr(unsigned long __register) {
423  // Loads the contents of a 64-bit model specific register (MSR) specified in
424  // the ECX register into registers EDX:EAX. The EDX register is loaded with
425  // the high-order 32 bits of the MSR and the EAX register is loaded with the
426  // low-order 32 bits. If less than 64 bits are implemented in the MSR being
427  // read, the values returned to EDX:EAX in unimplemented bit locations are
428  // undefined.
429  unsigned long __edx;
430  unsigned long __eax;
431  __asm__ ("rdmsr" : "=d"(__edx), "=a"(__eax) : "c"(__register));
432  return (((unsigned __int64)__edx) << 32) | (unsigned __int64)__eax;
433 }
434 
435 static __inline__ unsigned __LPTRINT_TYPE__ __DEFAULT_FN_ATTRS __readcr3(void) {
436  unsigned __LPTRINT_TYPE__ __cr3_val;
437  __asm__ __volatile__(
438  "mov {%%cr3, %0|%0, cr3}"
439  : "=r"(__cr3_val)
440  :
441  : "memory");
442  return __cr3_val;
443 }
444 
445 static __inline__ void __DEFAULT_FN_ATTRS
446 __writecr3(unsigned __INTPTR_TYPE__ __cr3_val) {
447  __asm__ ("mov {%0, %%cr3|cr3, %0}" : : "r"(__cr3_val) : "memory");
448 }
449 #endif
450 
451 #ifdef __cplusplus
452 }
453 #endif
454 
455 #undef __LPTRINT_TYPE__
456 
457 #undef __DEFAULT_FN_ATTRS
458 
459 #endif /* __INTRIN_H */
460 #endif /* _MSC_VER */
__DEFAULT_FN_ATTRS
#define __DEFAULT_FN_ATTRS
Definition: __wmmintrin_aes.h:18
__b
static __inline__ vector float vector float __b
Definition: altivec.h:578
__cpuid
#define __cpuid(__leaf, __eax, __ebx, __ecx, __edx)
Definition: cpuid.h:269
__cpuidex
static __inline void __cpuidex(int __cpu_info[4], int __leaf, int __subleaf)
Definition: cpuid.h:345
__a
static __inline__ void int __a
Definition: emmintrin.h:4058
__break
#define __break(_1)
Definition: larchintrin.h:107
__src
static __inline__ void const void * __src
Definition: movdirintrin.h:45
_xend
static __inline__ void __DEFAULT_FN_ATTRS _xend(void)
Definition: rtmintrin.h:36
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