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1/*===---- htmxlintrin.h - XL compiler HTM execution intrinsics-------------===*\
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#ifndef __HTMXLINTRIN_H
10#define __HTMXLINTRIN_H
11
12#ifndef __HTM__
13#error "HTM instruction set not enabled"
14#endif
15
16#include <htmintrin.h>
17
18#ifdef __powerpc__
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24#define _TEXASR_PTR(TM_BUF) ((texasr_t *)((char *)(TM_BUF) + 0))
25#define _TEXASRU_PTR(TM_BUF) ((texasru_t *)((char *)(TM_BUF) + 0))
26#define _TEXASRL_PTR(TM_BUF) ((texasrl_t *)((char *)(TM_BUF) + 4))
27#define _TFIAR_PTR(TM_BUF) ((tfiar_t *)((char *)(TM_BUF) + 8))
28
29typedef char TM_buff_type[16];
30
31/* This macro can be used to determine whether a transaction was successfully
32 started from the __TM_begin() and __TM_simple_begin() intrinsic functions
33 below. */
34#define _HTM_TBEGIN_STARTED 1
35
36extern __inline long
37__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
38__TM_simple_begin (void)
39{
40 if (__builtin_expect (__builtin_tbegin (0), 1))
41 return _HTM_TBEGIN_STARTED;
42 return 0;
43}
44
45extern __inline long
46__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
47__TM_begin (void* const __TM_buff)
48{
49 *_TEXASRL_PTR (__TM_buff) = 0;
50 if (__builtin_expect (__builtin_tbegin (0), 1))
51 return _HTM_TBEGIN_STARTED;
52#ifdef __powerpc64__
53 *_TEXASR_PTR (__TM_buff) = __builtin_get_texasr ();
54#else
55 *_TEXASRU_PTR (__TM_buff) = __builtin_get_texasru ();
56 *_TEXASRL_PTR (__TM_buff) = __builtin_get_texasr ();
57#endif
58 *_TFIAR_PTR (__TM_buff) = __builtin_get_tfiar ();
59 return 0;
60}
61
62extern __inline long
63__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
64__TM_end (void)
65{
66 if (__builtin_expect (__builtin_tend (0), 1))
67 return 1;
68 return 0;
69}
70
71extern __inline void
72__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
73__TM_abort (void)
74{
75 __builtin_tabort (0);
76}
77
78extern __inline void
79__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
80__TM_named_abort (unsigned char const __code)
81{
82 __builtin_tabort (__code);
83}
84
85extern __inline void
86__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
87__TM_resume (void)
88{
89 __builtin_tresume ();
90}
91
92extern __inline void
93__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
94__TM_suspend (void)
95{
96 __builtin_tsuspend ();
97}
98
99extern __inline long
100__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
101__TM_is_user_abort (void* const __TM_buff)
102{
103 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
104 return _TEXASRU_ABORT (texasru);
105}
106
107extern __inline long
108__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
109__TM_is_named_user_abort (void* const __TM_buff, unsigned char *__code)
110{
111 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
112
113 *__code = _TEXASRU_FAILURE_CODE (texasru);
114 return _TEXASRU_ABORT (texasru);
115}
116
117extern __inline long
118__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
119__TM_is_illegal (void* const __TM_buff)
120{
121 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
122 return _TEXASRU_DISALLOWED (texasru);
123}
124
125extern __inline long
126__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
127__TM_is_footprint_exceeded (void* const __TM_buff)
128{
129 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
130 return _TEXASRU_FOOTPRINT_OVERFLOW (texasru);
131}
132
133extern __inline long
134__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
135__TM_nesting_depth (void* const __TM_buff)
136{
137 texasrl_t texasrl;
138
139 if (_HTM_STATE (__builtin_ttest ()) == _HTM_NONTRANSACTIONAL)
140 {
141 texasrl = *_TEXASRL_PTR (__TM_buff);
142 if (!_TEXASR_FAILURE_SUMMARY (texasrl))
143 texasrl = 0;
144 }
145 else
146 texasrl = (texasrl_t) __builtin_get_texasr ();
147
148 return _TEXASR_TRANSACTION_LEVEL (texasrl);
149}
150
151extern __inline long
152__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
153__TM_is_nested_too_deep(void* const __TM_buff)
154{
155 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
156 return _TEXASRU_NESTING_OVERFLOW (texasru);
157}
158
159extern __inline long
160__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
161__TM_is_conflict(void* const __TM_buff)
162{
163 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
164 /* Return TEXASR bits 11 (Self-Induced Conflict) through
165 14 (Translation Invalidation Conflict). */
166 return (_TEXASRU_EXTRACT_BITS (texasru, 14, 4)) ? 1 : 0;
167}
168
169extern __inline long
170__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
171__TM_is_failure_persistent(void* const __TM_buff)
172{
173 texasru_t texasru = *_TEXASRU_PTR (__TM_buff);
174 return _TEXASRU_FAILURE_PERSISTENT (texasru);
175}
176
177extern __inline long
178__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
179__TM_failure_address(void* const __TM_buff)
180{
181 return *_TFIAR_PTR (__TM_buff);
182}
183
184extern __inline long long
185__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
186__TM_failure_code(void* const __TM_buff)
187{
188 return *_TEXASR_PTR (__TM_buff);
189}
190
191#ifdef __cplusplus
192}
193#endif
194
195#endif /* __powerpc__ */
196
197#ifdef __s390__
198
199#include <stdint.h>
200
201/* These intrinsics are being made available for compatibility with
202 the IBM XL compiler. For documentation please see the "z/OS XL
203 C/C++ Programming Guide" publicly available on the web. */
204
205static __inline long __attribute__((__always_inline__, __nodebug__))
206__TM_simple_begin ()
207{
208 return __builtin_tbegin_nofloat (0);
209}
210
211static __inline long __attribute__((__always_inline__, __nodebug__))
212__TM_begin (void* const __tdb)
213{
214 return __builtin_tbegin_nofloat (__tdb);
215}
216
217static __inline long __attribute__((__always_inline__, __nodebug__))
218__TM_end ()
219{
220 return __builtin_tend ();
221}
222
223static __inline void __attribute__((__always_inline__))
224__TM_abort ()
225{
226 return __builtin_tabort (_HTM_FIRST_USER_ABORT_CODE);
227}
228
229static __inline void __attribute__((__always_inline__, __nodebug__))
230__TM_named_abort (unsigned char const __code)
231{
232 return __builtin_tabort ((int)_HTM_FIRST_USER_ABORT_CODE + __code);
233}
234
235static __inline void __attribute__((__always_inline__, __nodebug__))
236__TM_non_transactional_store (void* const __addr, long long const __value)
237{
238 __builtin_non_tx_store ((uint64_t*)__addr, (uint64_t)__value);
239}
240
241static __inline long __attribute__((__always_inline__, __nodebug__))
242__TM_nesting_depth (void* const __tdb_ptr)
243{
244 int depth = __builtin_tx_nesting_depth ();
245 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
246
247 if (depth != 0)
248 return depth;
249
250 if (tdb->format != 1)
251 return 0;
252 return tdb->nesting_depth;
253}
254
255/* Transaction failure diagnostics */
256
257static __inline long __attribute__((__always_inline__, __nodebug__))
258__TM_is_user_abort (void* const __tdb_ptr)
259{
260 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
261
262 if (tdb->format != 1)
263 return 0;
264
265 return !!(tdb->abort_code >= _HTM_FIRST_USER_ABORT_CODE);
266}
267
268static __inline long __attribute__((__always_inline__, __nodebug__))
269__TM_is_named_user_abort (void* const __tdb_ptr, unsigned char* __code)
270{
271 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
272
273 if (tdb->format != 1)
274 return 0;
275
276 if (tdb->abort_code >= _HTM_FIRST_USER_ABORT_CODE)
277 {
278 *__code = tdb->abort_code - _HTM_FIRST_USER_ABORT_CODE;
279 return 1;
280 }
281 return 0;
282}
283
284static __inline long __attribute__((__always_inline__, __nodebug__))
285__TM_is_illegal (void* const __tdb_ptr)
286{
287 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
288
289 return (tdb->format == 1
290 && (tdb->abort_code == 4 /* unfiltered program interruption */
291 || tdb->abort_code == 11 /* restricted instruction */));
292}
293
294static __inline long __attribute__((__always_inline__, __nodebug__))
295__TM_is_footprint_exceeded (void* const __tdb_ptr)
296{
297 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
298
299 return (tdb->format == 1
300 && (tdb->abort_code == 7 /* fetch overflow */
301 || tdb->abort_code == 8 /* store overflow */));
302}
303
304static __inline long __attribute__((__always_inline__, __nodebug__))
305__TM_is_nested_too_deep (void* const __tdb_ptr)
306{
307 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
308
309 return tdb->format == 1 && tdb->abort_code == 13; /* depth exceeded */
310}
311
312static __inline long __attribute__((__always_inline__, __nodebug__))
313__TM_is_conflict (void* const __tdb_ptr)
314{
315 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
316
317 return (tdb->format == 1
318 && (tdb->abort_code == 9 /* fetch conflict */
319 || tdb->abort_code == 10 /* store conflict */));
320}
321
322static __inline long __attribute__((__always_inline__, __nodebug__))
323__TM_is_failure_persistent (long const __result)
324{
325 return __result == _HTM_TBEGIN_PERSISTENT;
326}
327
328static __inline long __attribute__((__always_inline__, __nodebug__))
329__TM_failure_address (void* const __tdb_ptr)
330{
331 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
332 return tdb->atia;
333}
334
335static __inline long __attribute__((__always_inline__, __nodebug__))
336__TM_failure_code (void* const __tdb_ptr)
337{
338 struct __htm_tdb *tdb = (struct __htm_tdb*)__tdb_ptr;
339
340 return tdb->abort_code;
341}
342
343#endif /* __s390__ */
344
345#endif /* __HTMXLINTRIN_H */
346

Warning: This file is not a C or C++ file. It does not have highlighting.

source code of clang/lib/Headers/htmxlintrin.h