clang 20.0.0git
intrin0.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 <intrin0.h>
13#else
14
15#ifndef __INTRIN0_H
16#define __INTRIN0_H
17
18#if defined(__x86_64__) && !defined(__arm64ec__)
19#include <adcintrin.h>
20#endif
21
22#ifdef __cplusplus
23extern "C" {
24#endif
25
26unsigned char _BitScanForward(unsigned long *_Index, unsigned long _Mask);
27unsigned char _BitScanReverse(unsigned long *_Index, unsigned long _Mask);
28void _ReadWriteBarrier(void);
29
30#if defined(__aarch64__) || defined(__arm64ec__)
31unsigned int _CountLeadingZeros(unsigned long);
32unsigned int _CountLeadingZeros64(unsigned _int64);
33unsigned char _InterlockedCompareExchange128_acq(__int64 volatile *_Destination,
34 __int64 _ExchangeHigh,
35 __int64 _ExchangeLow,
36 __int64 *_ComparandResult);
37unsigned char _InterlockedCompareExchange128_nf(__int64 volatile *_Destination,
38 __int64 _ExchangeHigh,
39 __int64 _ExchangeLow,
40 __int64 *_ComparandResult);
41unsigned char _InterlockedCompareExchange128_rel(__int64 volatile *_Destination,
42 __int64 _ExchangeHigh,
43 __int64 _ExchangeLow,
44 __int64 *_ComparandResult);
45#endif
46
47#ifdef __x86_64__ && !defined(__arm64ec__)
48unsigned __int64 _umul128(unsigned __int64, unsigned __int64,
49 unsigned __int64 *);
50unsigned __int64 __shiftleft128(unsigned __int64 _LowPart,
51 unsigned __int64 _HighPart,
52 unsigned char _Shift);
53unsigned __int64 __shiftright128(unsigned __int64 _LowPart,
54 unsigned __int64 _HighPart,
55 unsigned char _Shift);
56#endif
57
58#if defined(__i386__) || (defined(__x86_64__) && !defined(__arm64ec__))
59void _mm_pause(void);
60#endif
61
62#if defined(__x86_64__) || defined(__aarch64__)
63unsigned char _InterlockedCompareExchange128(__int64 volatile *_Destination,
64 __int64 _ExchangeHigh,
65 __int64 _ExchangeLow,
66 __int64 *_ComparandResult);
67#endif
68
69#if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
70unsigned char _BitScanForward64(unsigned long *_Index, unsigned __int64 _Mask);
71unsigned char _BitScanReverse64(unsigned long *_Index, unsigned __int64 _Mask);
72#endif
73
74#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || \
75 defined(__aarch64__)
76__int64 _InterlockedDecrement64(__int64 volatile *_Addend);
77__int64 _InterlockedExchange64(__int64 volatile *_Target, __int64 _Value);
78__int64 _InterlockedExchangeAdd64(__int64 volatile *_Addend, __int64 _Value);
79__int64 _InterlockedExchangeSub64(__int64 volatile *_Subend, __int64 _Value);
80__int64 _InterlockedIncrement64(__int64 volatile *_Addend);
81__int64 _InterlockedOr64(__int64 volatile *_Value, __int64 _Mask);
82__int64 _InterlockedXor64(__int64 volatile *_Value, __int64 _Mask);
83__int64 _InterlockedAnd64(__int64 volatile *_Value, __int64 _Mask);
84#endif
85
86#if defined(__arm__) || defined(__aarch64__) || defined(__arm64ec__)
87/*----------------------------------------------------------------------------*\
88|* Interlocked Exchange Add
89\*----------------------------------------------------------------------------*/
90char _InterlockedExchangeAdd8_acq(char volatile *_Addend, char _Value);
91char _InterlockedExchangeAdd8_nf(char volatile *_Addend, char _Value);
92char _InterlockedExchangeAdd8_rel(char volatile *_Addend, char _Value);
93short _InterlockedExchangeAdd16_acq(short volatile *_Addend, short _Value);
94short _InterlockedExchangeAdd16_nf(short volatile *_Addend, short _Value);
95short _InterlockedExchangeAdd16_rel(short volatile *_Addend, short _Value);
96long _InterlockedExchangeAdd_acq(long volatile *_Addend, long _Value);
97long _InterlockedExchangeAdd_nf(long volatile *_Addend, long _Value);
98long _InterlockedExchangeAdd_rel(long volatile *_Addend, long _Value);
99__int64 _InterlockedExchangeAdd64_acq(__int64 volatile *_Addend,
100 __int64 _Value);
101__int64 _InterlockedExchangeAdd64_nf(__int64 volatile *_Addend, __int64 _Value);
102__int64 _InterlockedExchangeAdd64_rel(__int64 volatile *_Addend,
103 __int64 _Value);
104
105/*----------------------------------------------------------------------------*\
106|* Interlocked Increment
107\*----------------------------------------------------------------------------*/
108short _InterlockedIncrement16_acq(short volatile *_Value);
109short _InterlockedIncrement16_nf(short volatile *_Value);
110short _InterlockedIncrement16_rel(short volatile *_Value);
111long _InterlockedIncrement_acq(long volatile *_Value);
112long _InterlockedIncrement_nf(long volatile *_Value);
113long _InterlockedIncrement_rel(long volatile *_Value);
114__int64 _InterlockedIncrement64_acq(__int64 volatile *_Value);
115__int64 _InterlockedIncrement64_nf(__int64 volatile *_Value);
116__int64 _InterlockedIncrement64_rel(__int64 volatile *_Value);
117
118/*----------------------------------------------------------------------------*\
119|* Interlocked Decrement
120\*----------------------------------------------------------------------------*/
121short _InterlockedDecrement16_acq(short volatile *_Value);
122short _InterlockedDecrement16_nf(short volatile *_Value);
123short _InterlockedDecrement16_rel(short volatile *_Value);
124long _InterlockedDecrement_acq(long volatile *_Value);
125long _InterlockedDecrement_nf(long volatile *_Value);
126long _InterlockedDecrement_rel(long volatile *_Value);
127__int64 _InterlockedDecrement64_acq(__int64 volatile *_Value);
128__int64 _InterlockedDecrement64_nf(__int64 volatile *_Value);
129__int64 _InterlockedDecrement64_rel(__int64 volatile *_Value);
130
131/*----------------------------------------------------------------------------*\
132|* Interlocked And
133\*----------------------------------------------------------------------------*/
134char _InterlockedAnd8_acq(char volatile *_Value, char _Mask);
135char _InterlockedAnd8_nf(char volatile *_Value, char _Mask);
136char _InterlockedAnd8_rel(char volatile *_Value, char _Mask);
137short _InterlockedAnd16_acq(short volatile *_Value, short _Mask);
138short _InterlockedAnd16_nf(short volatile *_Value, short _Mask);
139short _InterlockedAnd16_rel(short volatile *_Value, short _Mask);
140long _InterlockedAnd_acq(long volatile *_Value, long _Mask);
141long _InterlockedAnd_nf(long volatile *_Value, long _Mask);
142long _InterlockedAnd_rel(long volatile *_Value, long _Mask);
143__int64 _InterlockedAnd64_acq(__int64 volatile *_Value, __int64 _Mask);
144__int64 _InterlockedAnd64_nf(__int64 volatile *_Value, __int64 _Mask);
145__int64 _InterlockedAnd64_rel(__int64 volatile *_Value, __int64 _Mask);
146
147/*----------------------------------------------------------------------------*\
148|* Bit Counting and Testing
149\*----------------------------------------------------------------------------*/
150unsigned char _interlockedbittestandset_acq(long volatile *_BitBase,
151 long _BitPos);
152unsigned char _interlockedbittestandset_nf(long volatile *_BitBase,
153 long _BitPos);
154unsigned char _interlockedbittestandset_rel(long volatile *_BitBase,
155 long _BitPos);
156unsigned char _interlockedbittestandreset_acq(long volatile *_BitBase,
157 long _BitPos);
158unsigned char _interlockedbittestandreset_nf(long volatile *_BitBase,
159 long _BitPos);
160unsigned char _interlockedbittestandreset_rel(long volatile *_BitBase,
161 long _BitPos);
162
163/*----------------------------------------------------------------------------*\
164|* Interlocked Or
165\*----------------------------------------------------------------------------*/
166char _InterlockedOr8_acq(char volatile *_Value, char _Mask);
167char _InterlockedOr8_nf(char volatile *_Value, char _Mask);
168char _InterlockedOr8_rel(char volatile *_Value, char _Mask);
169short _InterlockedOr16_acq(short volatile *_Value, short _Mask);
170short _InterlockedOr16_nf(short volatile *_Value, short _Mask);
171short _InterlockedOr16_rel(short volatile *_Value, short _Mask);
172long _InterlockedOr_acq(long volatile *_Value, long _Mask);
173long _InterlockedOr_nf(long volatile *_Value, long _Mask);
174long _InterlockedOr_rel(long volatile *_Value, long _Mask);
175__int64 _InterlockedOr64_acq(__int64 volatile *_Value, __int64 _Mask);
176__int64 _InterlockedOr64_nf(__int64 volatile *_Value, __int64 _Mask);
177__int64 _InterlockedOr64_rel(__int64 volatile *_Value, __int64 _Mask);
178
179/*----------------------------------------------------------------------------*\
180|* Interlocked Xor
181\*----------------------------------------------------------------------------*/
182char _InterlockedXor8_acq(char volatile *_Value, char _Mask);
183char _InterlockedXor8_nf(char volatile *_Value, char _Mask);
184char _InterlockedXor8_rel(char volatile *_Value, char _Mask);
185short _InterlockedXor16_acq(short volatile *_Value, short _Mask);
186short _InterlockedXor16_nf(short volatile *_Value, short _Mask);
187short _InterlockedXor16_rel(short volatile *_Value, short _Mask);
188long _InterlockedXor_acq(long volatile *_Value, long _Mask);
189long _InterlockedXor_nf(long volatile *_Value, long _Mask);
190long _InterlockedXor_rel(long volatile *_Value, long _Mask);
191__int64 _InterlockedXor64_acq(__int64 volatile *_Value, __int64 _Mask);
192__int64 _InterlockedXor64_nf(__int64 volatile *_Value, __int64 _Mask);
193__int64 _InterlockedXor64_rel(__int64 volatile *_Value, __int64 _Mask);
194
195/*----------------------------------------------------------------------------*\
196|* Interlocked Exchange
197\*----------------------------------------------------------------------------*/
198char _InterlockedExchange8_acq(char volatile *_Target, char _Value);
199char _InterlockedExchange8_nf(char volatile *_Target, char _Value);
200char _InterlockedExchange8_rel(char volatile *_Target, char _Value);
201short _InterlockedExchange16_acq(short volatile *_Target, short _Value);
202short _InterlockedExchange16_nf(short volatile *_Target, short _Value);
203short _InterlockedExchange16_rel(short volatile *_Target, short _Value);
204long _InterlockedExchange_acq(long volatile *_Target, long _Value);
205long _InterlockedExchange_nf(long volatile *_Target, long _Value);
206long _InterlockedExchange_rel(long volatile *_Target, long _Value);
207__int64 _InterlockedExchange64_acq(__int64 volatile *_Target, __int64 _Value);
208__int64 _InterlockedExchange64_nf(__int64 volatile *_Target, __int64 _Value);
209__int64 _InterlockedExchange64_rel(__int64 volatile *_Target, __int64 _Value);
210
211/*----------------------------------------------------------------------------*\
212|* Interlocked Compare Exchange
213\*----------------------------------------------------------------------------*/
214char _InterlockedCompareExchange8_acq(char volatile *_Destination,
215 char _Exchange, char _Comparand);
216char _InterlockedCompareExchange8_nf(char volatile *_Destination,
217 char _Exchange, char _Comparand);
218char _InterlockedCompareExchange8_rel(char volatile *_Destination,
219 char _Exchange, char _Comparand);
220short _InterlockedCompareExchange16_acq(short volatile *_Destination,
221 short _Exchange, short _Comparand);
222short _InterlockedCompareExchange16_nf(short volatile *_Destination,
223 short _Exchange, short _Comparand);
224short _InterlockedCompareExchange16_rel(short volatile *_Destination,
225 short _Exchange, short _Comparand);
226long _InterlockedCompareExchange_acq(long volatile *_Destination,
227 long _Exchange, long _Comparand);
228long _InterlockedCompareExchange_nf(long volatile *_Destination, long _Exchange,
229 long _Comparand);
230long _InterlockedCompareExchange_rel(long volatile *_Destination,
231 long _Exchange, long _Comparand);
232__int64 _InterlockedCompareExchange64_acq(__int64 volatile *_Destination,
233 __int64 _Exchange,
234 __int64 _Comparand);
235__int64 _InterlockedCompareExchange64_nf(__int64 volatile *_Destination,
236 __int64 _Exchange, __int64 _Comparand);
237__int64 _InterlockedCompareExchange64_rel(__int64 volatile *_Destination,
238 __int64 _Exchange,
239 __int64 _Comparand);
240#endif
241
242#ifdef __cplusplus
243}
244#endif
245
246#endif /* __INTRIN0_H */
247#endif /* _MSC_VER */
_mm_pause
void _mm_pause(void)
Indicates that a spin loop is being executed for the purposes of optimizing power consumption during ...
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