LLVM OpenMP* Runtime Library
kmp_gsupport.cpp
1 /*
2  * kmp_gsupport.cpp
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // The LLVM Compiler Infrastructure
8 //
9 // This file is dual licensed under the MIT and the University of Illinois Open
10 // Source Licenses. See LICENSE.txt for details.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "kmp.h"
15 #include "kmp_atomic.h"
16 
17 #if OMPT_SUPPORT
18 #include "ompt-specific.h"
19 #endif
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif // __cplusplus
24 
25 #define MKLOC(loc, routine) \
26  static ident_t(loc) = {0, KMP_IDENT_KMPC, 0, 0, ";unknown;unknown;0;0;;"};
27 
28 #include "kmp_ftn_os.h"
29 
30 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_BARRIER)(void) {
31  int gtid = __kmp_entry_gtid();
32  MKLOC(loc, "GOMP_barrier");
33  KA_TRACE(20, ("GOMP_barrier: T#%d\n", gtid));
34 #if OMPT_SUPPORT && OMPT_OPTIONAL
35  omp_frame_t *ompt_frame;
36  if (ompt_enabled.enabled) {
37  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
38  ompt_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
39  OMPT_STORE_RETURN_ADDRESS(gtid);
40  }
41 #endif
42  __kmpc_barrier(&loc, gtid);
43 #if OMPT_SUPPORT && OMPT_OPTIONAL
44  if (ompt_enabled.enabled) {
45  ompt_frame->enter_frame = NULL;
46  }
47 #endif
48 }
49 
50 // Mutual exclusion
51 
52 // The symbol that icc/ifort generates for unnamed for unnamed critical sections
53 // - .gomp_critical_user_ - is defined using .comm in any objects reference it.
54 // We can't reference it directly here in C code, as the symbol contains a ".".
55 //
56 // The RTL contains an assembly language definition of .gomp_critical_user_
57 // with another symbol __kmp_unnamed_critical_addr initialized with it's
58 // address.
59 extern kmp_critical_name *__kmp_unnamed_critical_addr;
60 
61 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_START)(void) {
62  int gtid = __kmp_entry_gtid();
63  MKLOC(loc, "GOMP_critical_start");
64  KA_TRACE(20, ("GOMP_critical_start: T#%d\n", gtid));
65 #if OMPT_SUPPORT && OMPT_OPTIONAL
66  OMPT_STORE_RETURN_ADDRESS(gtid);
67 #endif
68  __kmpc_critical(&loc, gtid, __kmp_unnamed_critical_addr);
69 }
70 
71 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_END)(void) {
72  int gtid = __kmp_get_gtid();
73  MKLOC(loc, "GOMP_critical_end");
74  KA_TRACE(20, ("GOMP_critical_end: T#%d\n", gtid));
75 #if OMPT_SUPPORT && OMPT_OPTIONAL
76  OMPT_STORE_RETURN_ADDRESS(gtid);
77 #endif
78  __kmpc_end_critical(&loc, gtid, __kmp_unnamed_critical_addr);
79 }
80 
81 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_NAME_START)(void **pptr) {
82  int gtid = __kmp_entry_gtid();
83  MKLOC(loc, "GOMP_critical_name_start");
84  KA_TRACE(20, ("GOMP_critical_name_start: T#%d\n", gtid));
85  __kmpc_critical(&loc, gtid, (kmp_critical_name *)pptr);
86 }
87 
88 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CRITICAL_NAME_END)(void **pptr) {
89  int gtid = __kmp_get_gtid();
90  MKLOC(loc, "GOMP_critical_name_end");
91  KA_TRACE(20, ("GOMP_critical_name_end: T#%d\n", gtid));
92  __kmpc_end_critical(&loc, gtid, (kmp_critical_name *)pptr);
93 }
94 
95 // The Gnu codegen tries to use locked operations to perform atomic updates
96 // inline. If it can't, then it calls GOMP_atomic_start() before performing
97 // the update and GOMP_atomic_end() afterward, regardless of the data type.
98 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ATOMIC_START)(void) {
99  int gtid = __kmp_entry_gtid();
100  KA_TRACE(20, ("GOMP_atomic_start: T#%d\n", gtid));
101 
102 #if OMPT_SUPPORT
103  __ompt_thread_assign_wait_id(0);
104 #endif
105 
106  __kmp_acquire_atomic_lock(&__kmp_atomic_lock, gtid);
107 }
108 
109 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ATOMIC_END)(void) {
110  int gtid = __kmp_get_gtid();
111  KA_TRACE(20, ("GOMP_atomic_end: T#%d\n", gtid));
112  __kmp_release_atomic_lock(&__kmp_atomic_lock, gtid);
113 }
114 
115 int KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_START)(void) {
116  int gtid = __kmp_entry_gtid();
117  MKLOC(loc, "GOMP_single_start");
118  KA_TRACE(20, ("GOMP_single_start: T#%d\n", gtid));
119 
120  if (!TCR_4(__kmp_init_parallel))
121  __kmp_parallel_initialize();
122 
123  // 3rd parameter == FALSE prevents kmp_enter_single from pushing a
124  // workshare when USE_CHECKS is defined. We need to avoid the push,
125  // as there is no corresponding GOMP_single_end() call.
126  kmp_int32 rc = __kmp_enter_single(gtid, &loc, FALSE);
127 
128 #if OMPT_SUPPORT && OMPT_OPTIONAL
129  kmp_info_t *this_thr = __kmp_threads[gtid];
130  kmp_team_t *team = this_thr->th.th_team;
131  int tid = __kmp_tid_from_gtid(gtid);
132 
133  if (ompt_enabled.enabled) {
134  if (rc) {
135  if (ompt_enabled.ompt_callback_work) {
136  ompt_callbacks.ompt_callback(ompt_callback_work)(
137  ompt_work_single_executor, ompt_scope_begin,
138  &(team->t.ompt_team_info.parallel_data),
139  &(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
140  1, OMPT_GET_RETURN_ADDRESS(0));
141  }
142  } else {
143  if (ompt_enabled.ompt_callback_work) {
144  ompt_callbacks.ompt_callback(ompt_callback_work)(
145  ompt_work_single_other, ompt_scope_begin,
146  &(team->t.ompt_team_info.parallel_data),
147  &(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
148  1, OMPT_GET_RETURN_ADDRESS(0));
149  ompt_callbacks.ompt_callback(ompt_callback_work)(
150  ompt_work_single_other, ompt_scope_end,
151  &(team->t.ompt_team_info.parallel_data),
152  &(team->t.t_implicit_task_taskdata[tid].ompt_task_info.task_data),
153  1, OMPT_GET_RETURN_ADDRESS(0));
154  }
155  }
156  }
157 #endif
158 
159  return rc;
160 }
161 
162 void *KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_COPY_START)(void) {
163  void *retval;
164  int gtid = __kmp_entry_gtid();
165  MKLOC(loc, "GOMP_single_copy_start");
166  KA_TRACE(20, ("GOMP_single_copy_start: T#%d\n", gtid));
167 
168  if (!TCR_4(__kmp_init_parallel))
169  __kmp_parallel_initialize();
170 
171  // If this is the first thread to enter, return NULL. The generated code will
172  // then call GOMP_single_copy_end() for this thread only, with the
173  // copyprivate data pointer as an argument.
174  if (__kmp_enter_single(gtid, &loc, FALSE))
175  return NULL;
176 
177 // Wait for the first thread to set the copyprivate data pointer,
178 // and for all other threads to reach this point.
179 
180 #if OMPT_SUPPORT && OMPT_OPTIONAL
181  omp_frame_t *ompt_frame;
182  if (ompt_enabled.enabled) {
183  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
184  ompt_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
185  OMPT_STORE_RETURN_ADDRESS(gtid);
186  }
187 #endif
188  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
189 
190  // Retrieve the value of the copyprivate data point, and wait for all
191  // threads to do likewise, then return.
192  retval = __kmp_team_from_gtid(gtid)->t.t_copypriv_data;
193 #if OMPT_SUPPORT && OMPT_OPTIONAL
194  if (ompt_enabled.enabled) {
195  OMPT_STORE_RETURN_ADDRESS(gtid);
196  }
197 #endif
198  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
199 #if OMPT_SUPPORT && OMPT_OPTIONAL
200  if (ompt_enabled.enabled) {
201  ompt_frame->enter_frame = NULL;
202  }
203 #endif
204  return retval;
205 }
206 
207 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SINGLE_COPY_END)(void *data) {
208  int gtid = __kmp_get_gtid();
209  KA_TRACE(20, ("GOMP_single_copy_end: T#%d\n", gtid));
210 
211  // Set the copyprivate data pointer fo the team, then hit the barrier so that
212  // the other threads will continue on and read it. Hit another barrier before
213  // continuing, so that the know that the copyprivate data pointer has been
214  // propagated to all threads before trying to reuse the t_copypriv_data field.
215  __kmp_team_from_gtid(gtid)->t.t_copypriv_data = data;
216 #if OMPT_SUPPORT && OMPT_OPTIONAL
217  omp_frame_t *ompt_frame;
218  if (ompt_enabled.enabled) {
219  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
220  ompt_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
221  OMPT_STORE_RETURN_ADDRESS(gtid);
222  }
223 #endif
224  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
225 #if OMPT_SUPPORT && OMPT_OPTIONAL
226  if (ompt_enabled.enabled) {
227  OMPT_STORE_RETURN_ADDRESS(gtid);
228  }
229 #endif
230  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
231 #if OMPT_SUPPORT && OMPT_OPTIONAL
232  if (ompt_enabled.enabled) {
233  ompt_frame->enter_frame = NULL;
234  }
235 #endif
236 }
237 
238 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ORDERED_START)(void) {
239  int gtid = __kmp_entry_gtid();
240  MKLOC(loc, "GOMP_ordered_start");
241  KA_TRACE(20, ("GOMP_ordered_start: T#%d\n", gtid));
242 #if OMPT_SUPPORT && OMPT_OPTIONAL
243  OMPT_STORE_RETURN_ADDRESS(gtid);
244 #endif
245  __kmpc_ordered(&loc, gtid);
246 }
247 
248 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_ORDERED_END)(void) {
249  int gtid = __kmp_get_gtid();
250  MKLOC(loc, "GOMP_ordered_end");
251  KA_TRACE(20, ("GOMP_ordered_start: T#%d\n", gtid));
252 #if OMPT_SUPPORT && OMPT_OPTIONAL
253  OMPT_STORE_RETURN_ADDRESS(gtid);
254 #endif
255  __kmpc_end_ordered(&loc, gtid);
256 }
257 
258 // Dispatch macro defs
259 //
260 // They come in two flavors: 64-bit unsigned, and either 32-bit signed
261 // (IA-32 architecture) or 64-bit signed (Intel(R) 64).
262 
263 #if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
264 #define KMP_DISPATCH_INIT __kmp_aux_dispatch_init_4
265 #define KMP_DISPATCH_FINI_CHUNK __kmp_aux_dispatch_fini_chunk_4
266 #define KMP_DISPATCH_NEXT __kmpc_dispatch_next_4
267 #else
268 #define KMP_DISPATCH_INIT __kmp_aux_dispatch_init_8
269 #define KMP_DISPATCH_FINI_CHUNK __kmp_aux_dispatch_fini_chunk_8
270 #define KMP_DISPATCH_NEXT __kmpc_dispatch_next_8
271 #endif /* KMP_ARCH_X86 */
272 
273 #define KMP_DISPATCH_INIT_ULL __kmp_aux_dispatch_init_8u
274 #define KMP_DISPATCH_FINI_CHUNK_ULL __kmp_aux_dispatch_fini_chunk_8u
275 #define KMP_DISPATCH_NEXT_ULL __kmpc_dispatch_next_8u
276 
277 // The parallel contruct
278 
279 #ifndef KMP_DEBUG
280 static
281 #endif /* KMP_DEBUG */
282  void
283  __kmp_GOMP_microtask_wrapper(int *gtid, int *npr, void (*task)(void *),
284  void *data) {
285 #if OMPT_SUPPORT
286  kmp_info_t *thr;
287  omp_frame_t *ompt_frame;
288  omp_state_t enclosing_state;
289 
290  if (ompt_enabled.enabled) {
291  // get pointer to thread data structure
292  thr = __kmp_threads[*gtid];
293 
294  // save enclosing task state; set current state for task
295  enclosing_state = thr->th.ompt_thread_info.state;
296  thr->th.ompt_thread_info.state = omp_state_work_parallel;
297 
298  // set task frame
299  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
300  ompt_frame->exit_frame = OMPT_GET_FRAME_ADDRESS(0);
301  }
302 #endif
303 
304  task(data);
305 
306 #if OMPT_SUPPORT
307  if (ompt_enabled.enabled) {
308  // clear task frame
309  ompt_frame->exit_frame = NULL;
310 
311  // restore enclosing state
312  thr->th.ompt_thread_info.state = enclosing_state;
313  }
314 #endif
315 }
316 
317 #ifndef KMP_DEBUG
318 static
319 #endif /* KMP_DEBUG */
320  void
321  __kmp_GOMP_parallel_microtask_wrapper(int *gtid, int *npr,
322  void (*task)(void *), void *data,
323  unsigned num_threads, ident_t *loc,
324  enum sched_type schedule, long start,
325  long end, long incr,
326  long chunk_size) {
327  // Intialize the loop worksharing construct.
328 
329  KMP_DISPATCH_INIT(loc, *gtid, schedule, start, end, incr, chunk_size,
330  schedule != kmp_sch_static);
331 
332 #if OMPT_SUPPORT
333  kmp_info_t *thr;
334  omp_frame_t *ompt_frame;
335  omp_state_t enclosing_state;
336 
337  if (ompt_enabled.enabled) {
338  thr = __kmp_threads[*gtid];
339  // save enclosing task state; set current state for task
340  enclosing_state = thr->th.ompt_thread_info.state;
341  thr->th.ompt_thread_info.state = omp_state_work_parallel;
342 
343  // set task frame
344  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
345  ompt_frame->exit_frame = OMPT_GET_FRAME_ADDRESS(0);
346  }
347 #endif
348 
349  // Now invoke the microtask.
350  task(data);
351 
352 #if OMPT_SUPPORT
353  if (ompt_enabled.enabled) {
354  // clear task frame
355  ompt_frame->exit_frame = NULL;
356 
357  // reset enclosing state
358  thr->th.ompt_thread_info.state = enclosing_state;
359  }
360 #endif
361 }
362 
363 #ifndef KMP_DEBUG
364 static
365 #endif /* KMP_DEBUG */
366  void
367  __kmp_GOMP_fork_call(ident_t *loc, int gtid, void (*unwrapped_task)(void *),
368  microtask_t wrapper, int argc, ...) {
369  int rc;
370  kmp_info_t *thr = __kmp_threads[gtid];
371  kmp_team_t *team = thr->th.th_team;
372  int tid = __kmp_tid_from_gtid(gtid);
373 
374  va_list ap;
375  va_start(ap, argc);
376 
377  rc = __kmp_fork_call(loc, gtid, fork_context_gnu, argc, wrapper,
378  __kmp_invoke_task_func,
379 #if (KMP_ARCH_X86_64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64) && KMP_OS_LINUX
380  &ap
381 #else
382  ap
383 #endif
384  );
385 
386  va_end(ap);
387 
388  if (rc) {
389  __kmp_run_before_invoked_task(gtid, tid, thr, team);
390  }
391 
392 #if OMPT_SUPPORT
393  int ompt_team_size;
394  if (ompt_enabled.enabled) {
395  ompt_team_info_t *team_info = __ompt_get_teaminfo(0, NULL);
396  ompt_task_info_t *task_info = __ompt_get_task_info_object(0);
397 
398  // implicit task callback
399  if (ompt_enabled.ompt_callback_implicit_task) {
400  ompt_team_size = __kmp_team_from_gtid(gtid)->t.t_nproc;
401  ompt_callbacks.ompt_callback(ompt_callback_implicit_task)(
402  ompt_scope_begin, &(team_info->parallel_data),
403  &(task_info->task_data), ompt_team_size, __kmp_tid_from_gtid(gtid));
404  task_info->thread_num = __kmp_tid_from_gtid(gtid);
405  }
406  thr->th.ompt_thread_info.state = omp_state_work_parallel;
407  }
408 #endif
409 }
410 
411 static void __kmp_GOMP_serialized_parallel(ident_t *loc, kmp_int32 gtid,
412  void (*task)(void *)) {
413 #if OMPT_SUPPORT
414  OMPT_STORE_RETURN_ADDRESS(gtid);
415 #endif
416  __kmp_serialized_parallel(loc, gtid);
417 }
418 
419 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_START)(void (*task)(void *),
420  void *data,
421  unsigned num_threads) {
422  int gtid = __kmp_entry_gtid();
423 
424 #if OMPT_SUPPORT
425  omp_frame_t *parent_frame, *frame;
426 
427  if (ompt_enabled.enabled) {
428  __ompt_get_task_info_internal(0, NULL, NULL, &parent_frame, NULL, NULL);
429  parent_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
430  OMPT_STORE_RETURN_ADDRESS(gtid);
431  }
432 #endif
433 
434  MKLOC(loc, "GOMP_parallel_start");
435  KA_TRACE(20, ("GOMP_parallel_start: T#%d\n", gtid));
436 
437  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) {
438  if (num_threads != 0) {
439  __kmp_push_num_threads(&loc, gtid, num_threads);
440  }
441  __kmp_GOMP_fork_call(&loc, gtid, task,
442  (microtask_t)__kmp_GOMP_microtask_wrapper, 2, task,
443  data);
444  } else {
445  __kmp_GOMP_serialized_parallel(&loc, gtid, task);
446  }
447 
448 #if OMPT_SUPPORT
449  if (ompt_enabled.enabled) {
450  __ompt_get_task_info_internal(0, NULL, NULL, &frame, NULL, NULL);
451  frame->exit_frame = OMPT_GET_FRAME_ADDRESS(1);
452  }
453 #endif
454 }
455 
456 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_END)(void) {
457  int gtid = __kmp_get_gtid();
458  kmp_info_t *thr;
459  int ompt_team_size = __kmp_team_from_gtid(gtid)->t.t_nproc;
460 
461  thr = __kmp_threads[gtid];
462 
463  MKLOC(loc, "GOMP_parallel_end");
464  KA_TRACE(20, ("GOMP_parallel_end: T#%d\n", gtid));
465 
466  if (!thr->th.th_team->t.t_serialized) {
467  __kmp_run_after_invoked_task(gtid, __kmp_tid_from_gtid(gtid), thr,
468  thr->th.th_team);
469 
470 #if OMPT_SUPPORT
471  if (ompt_enabled.enabled) {
472  // Implicit task is finished here, in the barrier we might schedule
473  // deferred tasks,
474  // these don't see the implicit task on the stack
475  OMPT_CUR_TASK_INFO(thr)->frame.exit_frame = NULL;
476  }
477 #endif
478 
479  __kmp_join_call(&loc, gtid
480 #if OMPT_SUPPORT
481  ,
482  fork_context_gnu
483 #endif
484  );
485  } else {
486  __kmpc_end_serialized_parallel(&loc, gtid);
487  }
488 }
489 
490 // Loop worksharing constructs
491 
492 // The Gnu codegen passes in an exclusive upper bound for the overall range,
493 // but the libguide dispatch code expects an inclusive upper bound, hence the
494 // "end - incr" 5th argument to KMP_DISPATCH_INIT (and the " ub - str" 11th
495 // argument to __kmp_GOMP_fork_call).
496 //
497 // Conversely, KMP_DISPATCH_NEXT returns and inclusive upper bound in *p_ub,
498 // but the Gnu codegen expects an excluside upper bound, so the adjustment
499 // "*p_ub += stride" compenstates for the discrepancy.
500 //
501 // Correction: the gnu codegen always adjusts the upper bound by +-1, not the
502 // stride value. We adjust the dispatch parameters accordingly (by +-1), but
503 // we still adjust p_ub by the actual stride value.
504 //
505 // The "runtime" versions do not take a chunk_sz parameter.
506 //
507 // The profile lib cannot support construct checking of unordered loops that
508 // are predetermined by the compiler to be statically scheduled, as the gcc
509 // codegen will not always emit calls to GOMP_loop_static_next() to get the
510 // next iteration. Instead, it emits inline code to call omp_get_thread_num()
511 // num and calculate the iteration space using the result. It doesn't do this
512 // with ordered static loop, so they can be checked.
513 
514 #if OMPT_SUPPORT
515 #define IF_OMPT_SUPPORT(code) code
516 #else
517 #define IF_OMPT_SUPPORT(code)
518 #endif
519 
520 #define LOOP_START(func, schedule) \
521  int func(long lb, long ub, long str, long chunk_sz, long *p_lb, \
522  long *p_ub) { \
523  int status; \
524  long stride; \
525  int gtid = __kmp_entry_gtid(); \
526  MKLOC(loc, #func); \
527  KA_TRACE(20, \
528  (#func ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz 0x%lx\n", \
529  gtid, lb, ub, str, chunk_sz)); \
530  \
531  if ((str > 0) ? (lb < ub) : (lb > ub)) { \
532  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
533  KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
534  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
535  (schedule) != kmp_sch_static); \
536  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
537  status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
538  (kmp_int *)p_ub, (kmp_int *)&stride); \
539  if (status) { \
540  KMP_DEBUG_ASSERT(stride == str); \
541  *p_ub += (str > 0) ? 1 : -1; \
542  } \
543  } else { \
544  status = 0; \
545  } \
546  \
547  KA_TRACE(20, \
548  (#func " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
549  gtid, *p_lb, *p_ub, status)); \
550  return status; \
551  }
552 
553 #define LOOP_RUNTIME_START(func, schedule) \
554  int func(long lb, long ub, long str, long *p_lb, long *p_ub) { \
555  int status; \
556  long stride; \
557  long chunk_sz = 0; \
558  int gtid = __kmp_entry_gtid(); \
559  MKLOC(loc, #func); \
560  KA_TRACE(20, \
561  (#func ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz %d\n", \
562  gtid, lb, ub, str, chunk_sz)); \
563  \
564  if ((str > 0) ? (lb < ub) : (lb > ub)) { \
565  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
566  KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
567  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, TRUE); \
568  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
569  status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
570  (kmp_int *)p_ub, (kmp_int *)&stride); \
571  if (status) { \
572  KMP_DEBUG_ASSERT(stride == str); \
573  *p_ub += (str > 0) ? 1 : -1; \
574  } \
575  } else { \
576  status = 0; \
577  } \
578  \
579  KA_TRACE(20, \
580  (#func " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, returning %d\n", \
581  gtid, *p_lb, *p_ub, status)); \
582  return status; \
583  }
584 
585 #define LOOP_NEXT(func, fini_code) \
586  int func(long *p_lb, long *p_ub) { \
587  int status; \
588  long stride; \
589  int gtid = __kmp_get_gtid(); \
590  MKLOC(loc, #func); \
591  KA_TRACE(20, (#func ": T#%d\n", gtid)); \
592  \
593  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
594  fini_code status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, (kmp_int *)p_lb, \
595  (kmp_int *)p_ub, (kmp_int *)&stride); \
596  if (status) { \
597  *p_ub += (stride > 0) ? 1 : -1; \
598  } \
599  \
600  KA_TRACE(20, \
601  (#func " exit: T#%d, *p_lb 0x%lx, *p_ub 0x%lx, stride 0x%lx, " \
602  "returning %d\n", \
603  gtid, *p_lb, *p_ub, stride, status)); \
604  return status; \
605  }
606 
607 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_STATIC_START), kmp_sch_static)
608 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_STATIC_NEXT), {})
609 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DYNAMIC_START),
610  kmp_sch_dynamic_chunked)
611 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_DYNAMIC_NEXT), {})
612 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_GUIDED_START),
614 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_GUIDED_NEXT), {})
615 LOOP_RUNTIME_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_RUNTIME_START),
616  kmp_sch_runtime)
617 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_RUNTIME_NEXT), {})
618 
619 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_START),
621 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_NEXT),
622  { KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
623 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_START),
624  kmp_ord_dynamic_chunked)
625 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_NEXT),
626  { KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
627 LOOP_START(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_START),
628  kmp_ord_guided_chunked)
629 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_NEXT),
630  { KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
631 LOOP_RUNTIME_START(
632  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_START),
633  kmp_ord_runtime)
634 LOOP_NEXT(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_NEXT),
635  { KMP_DISPATCH_FINI_CHUNK(&loc, gtid); })
636 
637 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_END)(void) {
638  int gtid = __kmp_get_gtid();
639  KA_TRACE(20, ("GOMP_loop_end: T#%d\n", gtid))
640 
641 #if OMPT_SUPPORT && OMPT_OPTIONAL
642  omp_frame_t *ompt_frame;
643  if (ompt_enabled.enabled) {
644  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
645  ompt_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
646  OMPT_STORE_RETURN_ADDRESS(gtid);
647  }
648 #endif
649  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
650 #if OMPT_SUPPORT && OMPT_OPTIONAL
651  if (ompt_enabled.enabled) {
652  ompt_frame->enter_frame = NULL;
653  }
654 #endif
655 
656  KA_TRACE(20, ("GOMP_loop_end exit: T#%d\n", gtid))
657 }
658 
659 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_END_NOWAIT)(void) {
660  KA_TRACE(20, ("GOMP_loop_end_nowait: T#%d\n", __kmp_get_gtid()))
661 }
662 
663 // Unsigned long long loop worksharing constructs
664 //
665 // These are new with gcc 4.4
666 
667 #define LOOP_START_ULL(func, schedule) \
668  int func(int up, unsigned long long lb, unsigned long long ub, \
669  unsigned long long str, unsigned long long chunk_sz, \
670  unsigned long long *p_lb, unsigned long long *p_ub) { \
671  int status; \
672  long long str2 = up ? ((long long)str) : -((long long)str); \
673  long long stride; \
674  int gtid = __kmp_entry_gtid(); \
675  MKLOC(loc, #func); \
676  \
677  KA_TRACE( \
678  20, \
679  (#func \
680  ": T#%d, up %d, lb 0x%llx, ub 0x%llx, str 0x%llx, chunk_sz 0x%llx\n", \
681  gtid, up, lb, ub, str, chunk_sz)); \
682  \
683  if ((str > 0) ? (lb < ub) : (lb > ub)) { \
684  KMP_DISPATCH_INIT_ULL(&loc, gtid, (schedule), lb, \
685  (str2 > 0) ? (ub - 1) : (ub + 1), str2, chunk_sz, \
686  (schedule) != kmp_sch_static); \
687  status = \
688  KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
689  (kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
690  if (status) { \
691  KMP_DEBUG_ASSERT(stride == str2); \
692  *p_ub += (str > 0) ? 1 : -1; \
693  } \
694  } else { \
695  status = 0; \
696  } \
697  \
698  KA_TRACE(20, \
699  (#func " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, returning %d\n", \
700  gtid, *p_lb, *p_ub, status)); \
701  return status; \
702  }
703 
704 #define LOOP_RUNTIME_START_ULL(func, schedule) \
705  int func(int up, unsigned long long lb, unsigned long long ub, \
706  unsigned long long str, unsigned long long *p_lb, \
707  unsigned long long *p_ub) { \
708  int status; \
709  long long str2 = up ? ((long long)str) : -((long long)str); \
710  unsigned long long stride; \
711  unsigned long long chunk_sz = 0; \
712  int gtid = __kmp_entry_gtid(); \
713  MKLOC(loc, #func); \
714  \
715  KA_TRACE( \
716  20, \
717  (#func \
718  ": T#%d, up %d, lb 0x%llx, ub 0x%llx, str 0x%llx, chunk_sz 0x%llx\n", \
719  gtid, up, lb, ub, str, chunk_sz)); \
720  \
721  if ((str > 0) ? (lb < ub) : (lb > ub)) { \
722  KMP_DISPATCH_INIT_ULL(&loc, gtid, (schedule), lb, \
723  (str2 > 0) ? (ub - 1) : (ub + 1), str2, chunk_sz, \
724  TRUE); \
725  status = \
726  KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
727  (kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
728  if (status) { \
729  KMP_DEBUG_ASSERT((long long)stride == str2); \
730  *p_ub += (str > 0) ? 1 : -1; \
731  } \
732  } else { \
733  status = 0; \
734  } \
735  \
736  KA_TRACE(20, \
737  (#func " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, returning %d\n", \
738  gtid, *p_lb, *p_ub, status)); \
739  return status; \
740  }
741 
742 #define LOOP_NEXT_ULL(func, fini_code) \
743  int func(unsigned long long *p_lb, unsigned long long *p_ub) { \
744  int status; \
745  long long stride; \
746  int gtid = __kmp_get_gtid(); \
747  MKLOC(loc, #func); \
748  KA_TRACE(20, (#func ": T#%d\n", gtid)); \
749  \
750  fini_code status = \
751  KMP_DISPATCH_NEXT_ULL(&loc, gtid, NULL, (kmp_uint64 *)p_lb, \
752  (kmp_uint64 *)p_ub, (kmp_int64 *)&stride); \
753  if (status) { \
754  *p_ub += (stride > 0) ? 1 : -1; \
755  } \
756  \
757  KA_TRACE(20, \
758  (#func " exit: T#%d, *p_lb 0x%llx, *p_ub 0x%llx, stride 0x%llx, " \
759  "returning %d\n", \
760  gtid, *p_lb, *p_ub, stride, status)); \
761  return status; \
762  }
763 
764 LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_START),
766 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_NEXT), {})
767 LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_START),
768  kmp_sch_dynamic_chunked)
769 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_NEXT), {})
770 LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_START),
772 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_NEXT), {})
773 LOOP_RUNTIME_START_ULL(
774  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_START), kmp_sch_runtime)
775 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_NEXT), {})
776 
777 LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_START),
779 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT),
780  { KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
781 LOOP_START_ULL(
782  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START),
783  kmp_ord_dynamic_chunked)
784 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT),
785  { KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
786 LOOP_START_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_START),
787  kmp_ord_guided_chunked)
788 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT),
789  { KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
790 LOOP_RUNTIME_START_ULL(
791  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_RUNTIME_START),
792  kmp_ord_runtime)
793 LOOP_NEXT_ULL(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT),
794  { KMP_DISPATCH_FINI_CHUNK_ULL(&loc, gtid); })
795 
796 // Combined parallel / loop worksharing constructs
797 //
798 // There are no ull versions (yet).
799 
800 #define PARALLEL_LOOP_START(func, schedule, ompt_pre, ompt_post) \
801  void func(void (*task)(void *), void *data, unsigned num_threads, long lb, \
802  long ub, long str, long chunk_sz) { \
803  int gtid = __kmp_entry_gtid(); \
804  MKLOC(loc, #func); \
805  KA_TRACE(20, \
806  (#func ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz 0x%lx\n", \
807  gtid, lb, ub, str, chunk_sz)); \
808  \
809  ompt_pre(); \
810  \
811  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) { \
812  if (num_threads != 0) { \
813  __kmp_push_num_threads(&loc, gtid, num_threads); \
814  } \
815  __kmp_GOMP_fork_call(&loc, gtid, task, \
816  (microtask_t)__kmp_GOMP_parallel_microtask_wrapper, \
817  9, task, data, num_threads, &loc, (schedule), lb, \
818  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz); \
819  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid)); \
820  } else { \
821  __kmp_GOMP_serialized_parallel(&loc, gtid, task); \
822  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid)); \
823  } \
824  \
825  KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
826  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
827  (schedule) != kmp_sch_static); \
828  \
829  ompt_post(); \
830  \
831  KA_TRACE(20, (#func " exit: T#%d\n", gtid)); \
832  }
833 
834 #if OMPT_SUPPORT && OMPT_OPTIONAL
835 
836 #define OMPT_LOOP_PRE() \
837  omp_frame_t *parent_frame; \
838  if (ompt_enabled.enabled) { \
839  __ompt_get_task_info_internal(0, NULL, NULL, &parent_frame, NULL, NULL); \
840  parent_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1); \
841  OMPT_STORE_RETURN_ADDRESS(gtid); \
842  }
843 
844 #define OMPT_LOOP_POST() \
845  if (ompt_enabled.enabled) { \
846  parent_frame->enter_frame = NULL; \
847  }
848 
849 #else
850 
851 #define OMPT_LOOP_PRE()
852 
853 #define OMPT_LOOP_POST()
854 
855 #endif
856 
857 PARALLEL_LOOP_START(
858  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_STATIC_START),
859  kmp_sch_static, OMPT_LOOP_PRE, OMPT_LOOP_POST)
860 PARALLEL_LOOP_START(
861  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_DYNAMIC_START),
862  kmp_sch_dynamic_chunked, OMPT_LOOP_PRE, OMPT_LOOP_POST)
863 PARALLEL_LOOP_START(
864  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_GUIDED_START),
865  kmp_sch_guided_chunked, OMPT_LOOP_PRE, OMPT_LOOP_POST)
866 PARALLEL_LOOP_START(
867  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_RUNTIME_START),
868  kmp_sch_runtime, OMPT_LOOP_PRE, OMPT_LOOP_POST)
869 
870 // Tasking constructs
871 
872 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASK)(void (*func)(void *), void *data,
873  void (*copy_func)(void *, void *),
874  long arg_size, long arg_align,
875  bool if_cond, unsigned gomp_flags
876 #if OMP_40_ENABLED
877  ,
878  void **depend
879 #endif
880  ) {
881  MKLOC(loc, "GOMP_task");
882  int gtid = __kmp_entry_gtid();
883  kmp_int32 flags = 0;
884  kmp_tasking_flags_t *input_flags = (kmp_tasking_flags_t *)&flags;
885 
886  KA_TRACE(20, ("GOMP_task: T#%d\n", gtid));
887 
888  // The low-order bit is the "untied" flag
889  if (!(gomp_flags & 1)) {
890  input_flags->tiedness = 1;
891  }
892  // The second low-order bit is the "final" flag
893  if (gomp_flags & 2) {
894  input_flags->final = 1;
895  }
896  input_flags->native = 1;
897  // __kmp_task_alloc() sets up all other flags
898 
899  if (!if_cond) {
900  arg_size = 0;
901  }
902 
903  kmp_task_t *task = __kmp_task_alloc(
904  &loc, gtid, input_flags, sizeof(kmp_task_t),
905  arg_size ? arg_size + arg_align - 1 : 0, (kmp_routine_entry_t)func);
906 
907  if (arg_size > 0) {
908  if (arg_align > 0) {
909  task->shareds = (void *)((((size_t)task->shareds) + arg_align - 1) /
910  arg_align * arg_align);
911  }
912  // else error??
913 
914  if (copy_func) {
915  (*copy_func)(task->shareds, data);
916  } else {
917  KMP_MEMCPY(task->shareds, data, arg_size);
918  }
919  }
920 
921 #if OMPT_SUPPORT
922  kmp_taskdata_t *current_task;
923  if (ompt_enabled.enabled) {
924  OMPT_STORE_RETURN_ADDRESS(gtid);
925  current_task = __kmp_threads[gtid]->th.th_current_task;
926  current_task->ompt_task_info.frame.enter_frame = OMPT_GET_FRAME_ADDRESS(1);
927  }
928 #endif
929 
930  if (if_cond) {
931 #if OMP_40_ENABLED
932  if (gomp_flags & 8) {
933  KMP_ASSERT(depend);
934  const size_t ndeps = (kmp_intptr_t)depend[0];
935  const size_t nout = (kmp_intptr_t)depend[1];
936  kmp_depend_info_t dep_list[ndeps];
937 
938  for (size_t i = 0U; i < ndeps; i++) {
939  dep_list[i].base_addr = (kmp_intptr_t)depend[2U + i];
940  dep_list[i].len = 0U;
941  dep_list[i].flags.in = 1;
942  dep_list[i].flags.out = (i < nout);
943  }
944  __kmpc_omp_task_with_deps(&loc, gtid, task, ndeps, dep_list, 0, NULL);
945  } else {
946 #endif
947  __kmpc_omp_task(&loc, gtid, task);
948  }
949  } else {
950 #if OMPT_SUPPORT
951  ompt_thread_info_t oldInfo;
952  kmp_info_t *thread;
953  kmp_taskdata_t *taskdata;
954  kmp_taskdata_t *current_task;
955  if (ompt_enabled.enabled) {
956  // Store the threads states and restore them after the task
957  thread = __kmp_threads[gtid];
958  taskdata = KMP_TASK_TO_TASKDATA(task);
959  oldInfo = thread->th.ompt_thread_info;
960  thread->th.ompt_thread_info.wait_id = 0;
961  thread->th.ompt_thread_info.state = omp_state_work_parallel;
962  taskdata->ompt_task_info.frame.exit_frame = OMPT_GET_FRAME_ADDRESS(0);
963  OMPT_STORE_RETURN_ADDRESS(gtid);
964  }
965 #endif
966 
967  __kmpc_omp_task_begin_if0(&loc, gtid, task);
968  func(data);
969  __kmpc_omp_task_complete_if0(&loc, gtid, task);
970 
971 #if OMPT_SUPPORT
972  if (ompt_enabled.enabled) {
973  thread->th.ompt_thread_info = oldInfo;
974  taskdata->ompt_task_info.frame.exit_frame = NULL;
975  }
976 #endif
977  }
978 #if OMPT_SUPPORT
979  if (ompt_enabled.enabled) {
980  current_task->ompt_task_info.frame.enter_frame = NULL;
981  }
982 #endif
983 
984  KA_TRACE(20, ("GOMP_task exit: T#%d\n", gtid));
985 }
986 
987 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKWAIT)(void) {
988  MKLOC(loc, "GOMP_taskwait");
989  int gtid = __kmp_entry_gtid();
990 
991 #if OMPT_SUPPORT
992  if (ompt_enabled.enabled)
993  OMPT_STORE_RETURN_ADDRESS(gtid);
994 #endif
995 
996  KA_TRACE(20, ("GOMP_taskwait: T#%d\n", gtid));
997 
998  __kmpc_omp_taskwait(&loc, gtid);
999 
1000  KA_TRACE(20, ("GOMP_taskwait exit: T#%d\n", gtid));
1001 }
1002 
1003 // Sections worksharing constructs
1004 //
1005 // For the sections construct, we initialize a dynamically scheduled loop
1006 // worksharing construct with lb 1 and stride 1, and use the iteration #'s
1007 // that its returns as sections ids.
1008 //
1009 // There are no special entry points for ordered sections, so we always use
1010 // the dynamically scheduled workshare, even if the sections aren't ordered.
1011 
1012 unsigned KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SECTIONS_START)(unsigned count) {
1013  int status;
1014  kmp_int lb, ub, stride;
1015  int gtid = __kmp_entry_gtid();
1016  MKLOC(loc, "GOMP_sections_start");
1017  KA_TRACE(20, ("GOMP_sections_start: T#%d\n", gtid));
1018 
1019  KMP_DISPATCH_INIT(&loc, gtid, kmp_nm_dynamic_chunked, 1, count, 1, 1, TRUE);
1020 
1021  status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, &lb, &ub, &stride);
1022  if (status) {
1023  KMP_DEBUG_ASSERT(stride == 1);
1024  KMP_DEBUG_ASSERT(lb > 0);
1025  KMP_ASSERT(lb == ub);
1026  } else {
1027  lb = 0;
1028  }
1029 
1030  KA_TRACE(20, ("GOMP_sections_start exit: T#%d returning %u\n", gtid,
1031  (unsigned)lb));
1032  return (unsigned)lb;
1033 }
1034 
1035 unsigned KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SECTIONS_NEXT)(void) {
1036  int status;
1037  kmp_int lb, ub, stride;
1038  int gtid = __kmp_get_gtid();
1039  MKLOC(loc, "GOMP_sections_next");
1040  KA_TRACE(20, ("GOMP_sections_next: T#%d\n", gtid));
1041 
1042 #if OMPT_SUPPORT
1043  OMPT_STORE_RETURN_ADDRESS(gtid);
1044 #endif
1045 
1046  status = KMP_DISPATCH_NEXT(&loc, gtid, NULL, &lb, &ub, &stride);
1047  if (status) {
1048  KMP_DEBUG_ASSERT(stride == 1);
1049  KMP_DEBUG_ASSERT(lb > 0);
1050  KMP_ASSERT(lb == ub);
1051  } else {
1052  lb = 0;
1053  }
1054 
1055  KA_TRACE(
1056  20, ("GOMP_sections_next exit: T#%d returning %u\n", gtid, (unsigned)lb));
1057  return (unsigned)lb;
1058 }
1059 
1060 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_SECTIONS_START)(
1061  void (*task)(void *), void *data, unsigned num_threads, unsigned count) {
1062  int gtid = __kmp_entry_gtid();
1063 
1064 #if OMPT_SUPPORT
1065  omp_frame_t *parent_frame;
1066 
1067  if (ompt_enabled.enabled) {
1068  __ompt_get_task_info_internal(0, NULL, NULL, &parent_frame, NULL, NULL);
1069  parent_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
1070  OMPT_STORE_RETURN_ADDRESS(gtid);
1071  }
1072 #endif
1073 
1074  MKLOC(loc, "GOMP_parallel_sections_start");
1075  KA_TRACE(20, ("GOMP_parallel_sections_start: T#%d\n", gtid));
1076 
1077  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) {
1078  if (num_threads != 0) {
1079  __kmp_push_num_threads(&loc, gtid, num_threads);
1080  }
1081  __kmp_GOMP_fork_call(&loc, gtid, task,
1082  (microtask_t)__kmp_GOMP_parallel_microtask_wrapper, 9,
1083  task, data, num_threads, &loc, kmp_nm_dynamic_chunked,
1084  (kmp_int)1, (kmp_int)count, (kmp_int)1, (kmp_int)1);
1085  } else {
1086  __kmp_GOMP_serialized_parallel(&loc, gtid, task);
1087  }
1088 
1089 #if OMPT_SUPPORT
1090  if (ompt_enabled.enabled) {
1091  parent_frame->enter_frame = NULL;
1092  }
1093 #endif
1094 
1095  KMP_DISPATCH_INIT(&loc, gtid, kmp_nm_dynamic_chunked, 1, count, 1, 1, TRUE);
1096 
1097  KA_TRACE(20, ("GOMP_parallel_sections_start exit: T#%d\n", gtid));
1098 }
1099 
1100 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SECTIONS_END)(void) {
1101  int gtid = __kmp_get_gtid();
1102  KA_TRACE(20, ("GOMP_sections_end: T#%d\n", gtid))
1103 
1104 #if OMPT_SUPPORT
1105  omp_frame_t *ompt_frame;
1106  if (ompt_enabled.enabled) {
1107  __ompt_get_task_info_internal(0, NULL, NULL, &ompt_frame, NULL, NULL);
1108  ompt_frame->enter_frame = OMPT_GET_FRAME_ADDRESS(1);
1109  OMPT_STORE_RETURN_ADDRESS(gtid);
1110  }
1111 #endif
1112  __kmp_barrier(bs_plain_barrier, gtid, FALSE, 0, NULL, NULL);
1113 #if OMPT_SUPPORT
1114  if (ompt_enabled.enabled) {
1115  ompt_frame->enter_frame = NULL;
1116  }
1117 #endif
1118 
1119  KA_TRACE(20, ("GOMP_sections_end exit: T#%d\n", gtid))
1120 }
1121 
1122 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SECTIONS_END_NOWAIT)(void) {
1123  KA_TRACE(20, ("GOMP_sections_end_nowait: T#%d\n", __kmp_get_gtid()))
1124 }
1125 
1126 // libgomp has an empty function for GOMP_taskyield as of 2013-10-10
1127 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKYIELD)(void) {
1128  KA_TRACE(20, ("GOMP_taskyield: T#%d\n", __kmp_get_gtid()))
1129  return;
1130 }
1131 
1132 #if OMP_40_ENABLED // these are new GOMP_4.0 entry points
1133 
1134 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL)(void (*task)(void *),
1135  void *data,
1136  unsigned num_threads,
1137  unsigned int flags) {
1138  int gtid = __kmp_entry_gtid();
1139  MKLOC(loc, "GOMP_parallel");
1140  KA_TRACE(20, ("GOMP_parallel: T#%d\n", gtid));
1141 
1142 #if OMPT_SUPPORT
1143  ompt_task_info_t *parent_task_info, *task_info;
1144  if (ompt_enabled.enabled) {
1145  parent_task_info = __ompt_get_task_info_object(0);
1146  parent_task_info->frame.enter_frame = OMPT_GET_FRAME_ADDRESS(1);
1147  OMPT_STORE_RETURN_ADDRESS(gtid);
1148  }
1149 #endif
1150  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) {
1151  if (num_threads != 0) {
1152  __kmp_push_num_threads(&loc, gtid, num_threads);
1153  }
1154  if (flags != 0) {
1155  __kmp_push_proc_bind(&loc, gtid, (kmp_proc_bind_t)flags);
1156  }
1157  __kmp_GOMP_fork_call(&loc, gtid, task,
1158  (microtask_t)__kmp_GOMP_microtask_wrapper, 2, task,
1159  data);
1160  } else {
1161  __kmp_GOMP_serialized_parallel(&loc, gtid, task);
1162  }
1163 #if OMPT_SUPPORT
1164  if (ompt_enabled.enabled) {
1165  task_info = __ompt_get_task_info_object(0);
1166  task_info->frame.exit_frame = OMPT_GET_FRAME_ADDRESS(0);
1167  }
1168 #endif
1169  task(data);
1170 #if OMPT_SUPPORT
1171  if (ompt_enabled.enabled) {
1172  OMPT_STORE_RETURN_ADDRESS(gtid);
1173  }
1174 #endif
1175  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_END)();
1176 #if OMPT_SUPPORT
1177  if (ompt_enabled.enabled) {
1178  task_info->frame.exit_frame = NULL;
1179  parent_task_info->frame.enter_frame = NULL;
1180  }
1181 #endif
1182 }
1183 
1184 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_SECTIONS)(void (*task)(void *),
1185  void *data,
1186  unsigned num_threads,
1187  unsigned count,
1188  unsigned flags) {
1189  int gtid = __kmp_entry_gtid();
1190  MKLOC(loc, "GOMP_parallel_sections");
1191  KA_TRACE(20, ("GOMP_parallel_sections: T#%d\n", gtid));
1192 
1193 #if OMPT_SUPPORT
1194  OMPT_STORE_RETURN_ADDRESS(gtid);
1195 #endif
1196 
1197  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) {
1198  if (num_threads != 0) {
1199  __kmp_push_num_threads(&loc, gtid, num_threads);
1200  }
1201  if (flags != 0) {
1202  __kmp_push_proc_bind(&loc, gtid, (kmp_proc_bind_t)flags);
1203  }
1204  __kmp_GOMP_fork_call(&loc, gtid, task,
1205  (microtask_t)__kmp_GOMP_parallel_microtask_wrapper, 9,
1206  task, data, num_threads, &loc, kmp_nm_dynamic_chunked,
1207  (kmp_int)1, (kmp_int)count, (kmp_int)1, (kmp_int)1);
1208  } else {
1209  __kmp_GOMP_serialized_parallel(&loc, gtid, task);
1210  }
1211 
1212 #if OMPT_SUPPORT
1213  OMPT_STORE_RETURN_ADDRESS(gtid);
1214 #endif
1215 
1216  KMP_DISPATCH_INIT(&loc, gtid, kmp_nm_dynamic_chunked, 1, count, 1, 1, TRUE);
1217 
1218  task(data);
1219  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_END)();
1220  KA_TRACE(20, ("GOMP_parallel_sections exit: T#%d\n", gtid));
1221 }
1222 
1223 #define PARALLEL_LOOP(func, schedule, ompt_pre, ompt_post) \
1224  void func(void (*task)(void *), void *data, unsigned num_threads, long lb, \
1225  long ub, long str, long chunk_sz, unsigned flags) { \
1226  int gtid = __kmp_entry_gtid(); \
1227  MKLOC(loc, #func); \
1228  KA_TRACE(20, \
1229  (#func ": T#%d, lb 0x%lx, ub 0x%lx, str 0x%lx, chunk_sz 0x%lx\n", \
1230  gtid, lb, ub, str, chunk_sz)); \
1231  \
1232  ompt_pre(); \
1233  if (__kmpc_ok_to_fork(&loc) && (num_threads != 1)) { \
1234  if (num_threads != 0) { \
1235  __kmp_push_num_threads(&loc, gtid, num_threads); \
1236  } \
1237  if (flags != 0) { \
1238  __kmp_push_proc_bind(&loc, gtid, (kmp_proc_bind_t)flags); \
1239  } \
1240  __kmp_GOMP_fork_call(&loc, gtid, task, \
1241  (microtask_t)__kmp_GOMP_parallel_microtask_wrapper, \
1242  9, task, data, num_threads, &loc, (schedule), lb, \
1243  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz); \
1244  } else { \
1245  __kmp_GOMP_serialized_parallel(&loc, gtid, task); \
1246  } \
1247  \
1248  IF_OMPT_SUPPORT(OMPT_STORE_RETURN_ADDRESS(gtid);) \
1249  KMP_DISPATCH_INIT(&loc, gtid, (schedule), lb, \
1250  (str > 0) ? (ub - 1) : (ub + 1), str, chunk_sz, \
1251  (schedule) != kmp_sch_static); \
1252  task(data); \
1253  KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_END)(); \
1254  ompt_post(); \
1255  \
1256  KA_TRACE(20, (#func " exit: T#%d\n", gtid)); \
1257  }
1258 
1259 PARALLEL_LOOP(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_STATIC),
1260  kmp_sch_static, OMPT_LOOP_PRE, OMPT_LOOP_POST)
1261 PARALLEL_LOOP(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_DYNAMIC),
1262  kmp_sch_dynamic_chunked, OMPT_LOOP_PRE, OMPT_LOOP_POST)
1263 PARALLEL_LOOP(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_GUIDED),
1264  kmp_sch_guided_chunked, OMPT_LOOP_PRE, OMPT_LOOP_POST)
1265 PARALLEL_LOOP(KMP_EXPAND_NAME(KMP_API_NAME_GOMP_PARALLEL_LOOP_RUNTIME),
1266  kmp_sch_runtime, OMPT_LOOP_PRE, OMPT_LOOP_POST)
1267 
1268 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKGROUP_START)(void) {
1269  int gtid = __kmp_entry_gtid();
1270  MKLOC(loc, "GOMP_taskgroup_start");
1271  KA_TRACE(20, ("GOMP_taskgroup_start: T#%d\n", gtid));
1272 
1273 #if OMPT_SUPPORT
1274  if (ompt_enabled.enabled)
1275  OMPT_STORE_RETURN_ADDRESS(gtid);
1276 #endif
1277 
1278  __kmpc_taskgroup(&loc, gtid);
1279 
1280  return;
1281 }
1282 
1283 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKGROUP_END)(void) {
1284  int gtid = __kmp_get_gtid();
1285  MKLOC(loc, "GOMP_taskgroup_end");
1286  KA_TRACE(20, ("GOMP_taskgroup_end: T#%d\n", gtid));
1287 
1288 #if OMPT_SUPPORT
1289  if (ompt_enabled.enabled)
1290  OMPT_STORE_RETURN_ADDRESS(gtid);
1291 #endif
1292 
1293  __kmpc_end_taskgroup(&loc, gtid);
1294 
1295  return;
1296 }
1297 
1298 #ifndef KMP_DEBUG
1299 static
1300 #endif /* KMP_DEBUG */
1301  kmp_int32
1302  __kmp_gomp_to_omp_cancellation_kind(int gomp_kind) {
1303  kmp_int32 cncl_kind = 0;
1304  switch (gomp_kind) {
1305  case 1:
1306  cncl_kind = cancel_parallel;
1307  break;
1308  case 2:
1309  cncl_kind = cancel_loop;
1310  break;
1311  case 4:
1312  cncl_kind = cancel_sections;
1313  break;
1314  case 8:
1315  cncl_kind = cancel_taskgroup;
1316  break;
1317  }
1318  return cncl_kind;
1319 }
1320 
1321 bool KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CANCELLATION_POINT)(int which) {
1322  if (__kmp_omp_cancellation) {
1323  KMP_FATAL(NoGompCancellation);
1324  }
1325  int gtid = __kmp_get_gtid();
1326  MKLOC(loc, "GOMP_cancellation_point");
1327  KA_TRACE(20, ("GOMP_cancellation_point: T#%d\n", gtid));
1328 
1329  kmp_int32 cncl_kind = __kmp_gomp_to_omp_cancellation_kind(which);
1330 
1331  return __kmpc_cancellationpoint(&loc, gtid, cncl_kind);
1332 }
1333 
1334 bool KMP_EXPAND_NAME(KMP_API_NAME_GOMP_BARRIER_CANCEL)(void) {
1335  if (__kmp_omp_cancellation) {
1336  KMP_FATAL(NoGompCancellation);
1337  }
1338  KMP_FATAL(NoGompCancellation);
1339  int gtid = __kmp_get_gtid();
1340  MKLOC(loc, "GOMP_barrier_cancel");
1341  KA_TRACE(20, ("GOMP_barrier_cancel: T#%d\n", gtid));
1342 
1343  return __kmpc_cancel_barrier(&loc, gtid);
1344 }
1345 
1346 bool KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CANCEL)(int which, bool do_cancel) {
1347  if (__kmp_omp_cancellation) {
1348  KMP_FATAL(NoGompCancellation);
1349  } else {
1350  return FALSE;
1351  }
1352 
1353  int gtid = __kmp_get_gtid();
1354  MKLOC(loc, "GOMP_cancel");
1355  KA_TRACE(20, ("GOMP_cancel: T#%d\n", gtid));
1356 
1357  kmp_int32 cncl_kind = __kmp_gomp_to_omp_cancellation_kind(which);
1358 
1359  if (do_cancel == FALSE) {
1360  return KMP_EXPAND_NAME(KMP_API_NAME_GOMP_CANCELLATION_POINT)(which);
1361  } else {
1362  return __kmpc_cancel(&loc, gtid, cncl_kind);
1363  }
1364 }
1365 
1366 bool KMP_EXPAND_NAME(KMP_API_NAME_GOMP_SECTIONS_END_CANCEL)(void) {
1367  if (__kmp_omp_cancellation) {
1368  KMP_FATAL(NoGompCancellation);
1369  }
1370  int gtid = __kmp_get_gtid();
1371  MKLOC(loc, "GOMP_sections_end_cancel");
1372  KA_TRACE(20, ("GOMP_sections_end_cancel: T#%d\n", gtid));
1373 
1374  return __kmpc_cancel_barrier(&loc, gtid);
1375 }
1376 
1377 bool KMP_EXPAND_NAME(KMP_API_NAME_GOMP_LOOP_END_CANCEL)(void) {
1378  if (__kmp_omp_cancellation) {
1379  KMP_FATAL(NoGompCancellation);
1380  }
1381  int gtid = __kmp_get_gtid();
1382  MKLOC(loc, "GOMP_loop_end_cancel");
1383  KA_TRACE(20, ("GOMP_loop_end_cancel: T#%d\n", gtid));
1384 
1385  return __kmpc_cancel_barrier(&loc, gtid);
1386 }
1387 
1388 // All target functions are empty as of 2014-05-29
1389 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TARGET)(int device, void (*fn)(void *),
1390  const void *openmp_target,
1391  size_t mapnum, void **hostaddrs,
1392  size_t *sizes,
1393  unsigned char *kinds) {
1394  return;
1395 }
1396 
1397 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TARGET_DATA)(
1398  int device, const void *openmp_target, size_t mapnum, void **hostaddrs,
1399  size_t *sizes, unsigned char *kinds) {
1400  return;
1401 }
1402 
1403 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TARGET_END_DATA)(void) { return; }
1404 
1405 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TARGET_UPDATE)(
1406  int device, const void *openmp_target, size_t mapnum, void **hostaddrs,
1407  size_t *sizes, unsigned char *kinds) {
1408  return;
1409 }
1410 
1411 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TEAMS)(unsigned int num_teams,
1412  unsigned int thread_limit) {
1413  return;
1414 }
1415 #endif // OMP_40_ENABLED
1416 
1417 #if OMP_45_ENABLED
1418 
1419 // Task duplication function which copies src to dest (both are
1420 // preallocated task structures)
1421 static void __kmp_gomp_task_dup(kmp_task_t *dest, kmp_task_t *src,
1422  kmp_int32 last_private) {
1423  kmp_taskdata_t *taskdata = KMP_TASK_TO_TASKDATA(src);
1424  if (taskdata->td_copy_func) {
1425  (taskdata->td_copy_func)(dest->shareds, src->shareds);
1426  }
1427 }
1428 
1429 #ifdef __cplusplus
1430 } // extern "C"
1431 #endif
1432 
1433 template <typename T>
1434 void __GOMP_taskloop(void (*func)(void *), void *data,
1435  void (*copy_func)(void *, void *), long arg_size,
1436  long arg_align, unsigned gomp_flags,
1437  unsigned long num_tasks, int priority, T start, T end,
1438  T step) {
1439  typedef void (*p_task_dup_t)(kmp_task_t *, kmp_task_t *, kmp_int32);
1440  MKLOC(loc, "GOMP_taskloop");
1441  int sched;
1442  T *loop_bounds;
1443  int gtid = __kmp_entry_gtid();
1444  kmp_int32 flags = 0;
1445  int if_val = gomp_flags & (1u << 10);
1446  int nogroup = gomp_flags & (1u << 11);
1447  int up = gomp_flags & (1u << 8);
1448  p_task_dup_t task_dup = NULL;
1449  kmp_tasking_flags_t *input_flags = (kmp_tasking_flags_t *)&flags;
1450 #ifdef KMP_DEBUG
1451  {
1452  char *buff;
1453  buff = __kmp_str_format(
1454  "GOMP_taskloop: T#%%d: func:%%p data:%%p copy_func:%%p "
1455  "arg_size:%%ld arg_align:%%ld gomp_flags:0x%%x num_tasks:%%lu "
1456  "priority:%%d start:%%%s end:%%%s step:%%%s\n",
1457  traits_t<T>::spec, traits_t<T>::spec, traits_t<T>::spec);
1458  KA_TRACE(20, (buff, gtid, func, data, copy_func, arg_size, arg_align,
1459  gomp_flags, num_tasks, priority, start, end, step));
1460  __kmp_str_free(&buff);
1461  }
1462 #endif
1463  KMP_ASSERT((size_t)arg_size >= 2 * sizeof(T));
1464  KMP_ASSERT(arg_align > 0);
1465  // The low-order bit is the "untied" flag
1466  if (!(gomp_flags & 1)) {
1467  input_flags->tiedness = 1;
1468  }
1469  // The second low-order bit is the "final" flag
1470  if (gomp_flags & 2) {
1471  input_flags->final = 1;
1472  }
1473  // Negative step flag
1474  if (!up) {
1475  // If step is flagged as negative, but isn't properly sign extended
1476  // Then manually sign extend it. Could be a short, int, char embedded
1477  // in a long. So cannot assume any cast.
1478  if (step > 0) {
1479  for (int i = sizeof(T) * CHAR_BIT - 1; i >= 0L; --i) {
1480  // break at the first 1 bit
1481  if (step & ((T)1 << i))
1482  break;
1483  step |= ((T)1 << i);
1484  }
1485  }
1486  }
1487  input_flags->native = 1;
1488  // Figure out if none/grainsize/num_tasks clause specified
1489  if (num_tasks > 0) {
1490  if (gomp_flags & (1u << 9))
1491  sched = 1; // grainsize specified
1492  else
1493  sched = 2; // num_tasks specified
1494  // neither grainsize nor num_tasks specified
1495  } else {
1496  sched = 0;
1497  }
1498 
1499  // __kmp_task_alloc() sets up all other flags
1500  kmp_task_t *task =
1501  __kmp_task_alloc(&loc, gtid, input_flags, sizeof(kmp_task_t),
1502  arg_size + arg_align - 1, (kmp_routine_entry_t)func);
1503  kmp_taskdata_t *taskdata = KMP_TASK_TO_TASKDATA(task);
1504  taskdata->td_copy_func = copy_func;
1505  taskdata->td_size_loop_bounds = sizeof(T);
1506 
1507  // re-align shareds if needed and setup firstprivate copy constructors
1508  // through the task_dup mechanism
1509  task->shareds = (void *)((((size_t)task->shareds) + arg_align - 1) /
1510  arg_align * arg_align);
1511  if (copy_func) {
1512  task_dup = __kmp_gomp_task_dup;
1513  }
1514  KMP_MEMCPY(task->shareds, data, arg_size);
1515 
1516  loop_bounds = (T *)task->shareds;
1517  loop_bounds[0] = start;
1518  loop_bounds[1] = end + (up ? -1 : 1);
1519  __kmpc_taskloop(&loc, gtid, task, if_val, (kmp_uint64 *)&(loop_bounds[0]),
1520  (kmp_uint64 *)&(loop_bounds[1]), (kmp_int64)step, nogroup,
1521  sched, (kmp_uint64)num_tasks, (void *)task_dup);
1522 }
1523 
1524 #ifdef __cplusplus
1525 extern "C" {
1526 #endif // __cplusplus
1527 
1528 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKLOOP)(
1529  void (*func)(void *), void *data, void (*copy_func)(void *, void *),
1530  long arg_size, long arg_align, unsigned gomp_flags, unsigned long num_tasks,
1531  int priority, long start, long end, long step) {
1532  __GOMP_taskloop<long>(func, data, copy_func, arg_size, arg_align, gomp_flags,
1533  num_tasks, priority, start, end, step);
1534 }
1535 
1536 void KMP_EXPAND_NAME(KMP_API_NAME_GOMP_TASKLOOP_ULL)(
1537  void (*func)(void *), void *data, void (*copy_func)(void *, void *),
1538  long arg_size, long arg_align, unsigned gomp_flags, unsigned long num_tasks,
1539  int priority, unsigned long long start, unsigned long long end,
1540  unsigned long long step) {
1541  __GOMP_taskloop<unsigned long long>(func, data, copy_func, arg_size,
1542  arg_align, gomp_flags, num_tasks,
1543  priority, start, end, step);
1544 }
1545 
1546 #endif
1547 
1548 /* The following sections of code create aliases for the GOMP_* functions, then
1549  create versioned symbols using the assembler directive .symver. This is only
1550  pertinent for ELF .so library. The KMP_VERSION_SYMBOL macro is defined in
1551  kmp_os.h */
1552 
1553 #ifdef KMP_USE_VERSION_SYMBOLS
1554 // GOMP_1.0 versioned symbols
1555 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_ATOMIC_END, 10, "GOMP_1.0");
1556 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_ATOMIC_START, 10, "GOMP_1.0");
1557 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_BARRIER, 10, "GOMP_1.0");
1558 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CRITICAL_END, 10, "GOMP_1.0");
1559 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CRITICAL_NAME_END, 10, "GOMP_1.0");
1560 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CRITICAL_NAME_START, 10, "GOMP_1.0");
1561 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CRITICAL_START, 10, "GOMP_1.0");
1562 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_DYNAMIC_NEXT, 10, "GOMP_1.0");
1563 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_DYNAMIC_START, 10, "GOMP_1.0");
1564 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_END, 10, "GOMP_1.0");
1565 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_END_NOWAIT, 10, "GOMP_1.0");
1566 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_GUIDED_NEXT, 10, "GOMP_1.0");
1567 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_GUIDED_START, 10, "GOMP_1.0");
1568 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, 10, "GOMP_1.0");
1569 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_DYNAMIC_START, 10,
1570  "GOMP_1.0");
1571 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_NEXT, 10, "GOMP_1.0");
1572 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_GUIDED_START, 10, "GOMP_1.0");
1573 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_NEXT, 10, "GOMP_1.0");
1574 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_RUNTIME_START, 10,
1575  "GOMP_1.0");
1576 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_NEXT, 10, "GOMP_1.0");
1577 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ORDERED_STATIC_START, 10, "GOMP_1.0");
1578 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_RUNTIME_NEXT, 10, "GOMP_1.0");
1579 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_RUNTIME_START, 10, "GOMP_1.0");
1580 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_STATIC_NEXT, 10, "GOMP_1.0");
1581 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_STATIC_START, 10, "GOMP_1.0");
1582 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_ORDERED_END, 10, "GOMP_1.0");
1583 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_ORDERED_START, 10, "GOMP_1.0");
1584 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_END, 10, "GOMP_1.0");
1585 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_DYNAMIC_START, 10,
1586  "GOMP_1.0");
1587 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_GUIDED_START, 10,
1588  "GOMP_1.0");
1589 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_RUNTIME_START, 10,
1590  "GOMP_1.0");
1591 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_STATIC_START, 10,
1592  "GOMP_1.0");
1593 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_SECTIONS_START, 10, "GOMP_1.0");
1594 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_START, 10, "GOMP_1.0");
1595 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SECTIONS_END, 10, "GOMP_1.0");
1596 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SECTIONS_END_NOWAIT, 10, "GOMP_1.0");
1597 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SECTIONS_NEXT, 10, "GOMP_1.0");
1598 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SECTIONS_START, 10, "GOMP_1.0");
1599 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SINGLE_COPY_END, 10, "GOMP_1.0");
1600 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SINGLE_COPY_START, 10, "GOMP_1.0");
1601 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SINGLE_START, 10, "GOMP_1.0");
1602 
1603 // GOMP_2.0 versioned symbols
1604 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASK, 20, "GOMP_2.0");
1605 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKWAIT, 20, "GOMP_2.0");
1606 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_NEXT, 20, "GOMP_2.0");
1607 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_DYNAMIC_START, 20, "GOMP_2.0");
1608 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_NEXT, 20, "GOMP_2.0");
1609 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_GUIDED_START, 20, "GOMP_2.0");
1610 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT, 20,
1611  "GOMP_2.0");
1612 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START, 20,
1613  "GOMP_2.0");
1614 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT, 20,
1615  "GOMP_2.0");
1616 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_GUIDED_START, 20,
1617  "GOMP_2.0");
1618 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT, 20,
1619  "GOMP_2.0");
1620 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_RUNTIME_START, 20,
1621  "GOMP_2.0");
1622 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT, 20,
1623  "GOMP_2.0");
1624 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_ORDERED_STATIC_START, 20,
1625  "GOMP_2.0");
1626 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_NEXT, 20, "GOMP_2.0");
1627 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_RUNTIME_START, 20, "GOMP_2.0");
1628 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_NEXT, 20, "GOMP_2.0");
1629 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_ULL_STATIC_START, 20, "GOMP_2.0");
1630 
1631 // GOMP_3.0 versioned symbols
1632 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKYIELD, 30, "GOMP_3.0");
1633 
1634 // GOMP_4.0 versioned symbols
1635 #if OMP_40_ENABLED
1636 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL, 40, "GOMP_4.0");
1637 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_SECTIONS, 40, "GOMP_4.0");
1638 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_DYNAMIC, 40, "GOMP_4.0");
1639 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_GUIDED, 40, "GOMP_4.0");
1640 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_RUNTIME, 40, "GOMP_4.0");
1641 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_PARALLEL_LOOP_STATIC, 40, "GOMP_4.0");
1642 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKGROUP_START, 40, "GOMP_4.0");
1643 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKGROUP_END, 40, "GOMP_4.0");
1644 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_BARRIER_CANCEL, 40, "GOMP_4.0");
1645 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CANCEL, 40, "GOMP_4.0");
1646 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_CANCELLATION_POINT, 40, "GOMP_4.0");
1647 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_LOOP_END_CANCEL, 40, "GOMP_4.0");
1648 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_SECTIONS_END_CANCEL, 40, "GOMP_4.0");
1649 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TARGET, 40, "GOMP_4.0");
1650 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TARGET_DATA, 40, "GOMP_4.0");
1651 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TARGET_END_DATA, 40, "GOMP_4.0");
1652 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TARGET_UPDATE, 40, "GOMP_4.0");
1653 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TEAMS, 40, "GOMP_4.0");
1654 #endif
1655 
1656 #if OMP_45_ENABLED
1657 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKLOOP, 45, "GOMP_4.5");
1658 KMP_VERSION_SYMBOL(KMP_API_NAME_GOMP_TASKLOOP_ULL, 45, "GOMP_4.5");
1659 #endif
1660 
1661 #endif // KMP_USE_VERSION_SYMBOLS
1662 
1663 #ifdef __cplusplus
1664 } // extern "C"
1665 #endif // __cplusplus
KMP_EXPORT void __kmpc_end_ordered(ident_t *, kmp_int32 global_tid)
KMP_EXPORT void __kmpc_end_serialized_parallel(ident_t *, kmp_int32 global_tid)
KMP_EXPORT kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list)
KMP_EXPORT void __kmpc_ordered(ident_t *, kmp_int32 global_tid)
sched_type
Definition: kmp.h:317
KMP_EXPORT void __kmpc_critical(ident_t *, kmp_int32 global_tid, kmp_critical_name *)
Definition: kmp.h:210
KMP_EXPORT kmp_int32 __kmpc_ok_to_fork(ident_t *)
KMP_EXPORT void __kmpc_barrier(ident_t *, kmp_int32 global_tid)
KMP_EXPORT void __kmpc_end_critical(ident_t *, kmp_int32 global_tid, kmp_critical_name *)