aea7238683
OpenMP 5.1 says that thread_limit clause can also appear on target, and similarly to teams should affect the thread-limit-var ICV. On combined target teams, the clause goes to both. We actually passed thread_limit internally on target already before, but only used it for gcn/ptx offloading to hint how many threads should be created and for ptx didn't set thread_limit_var in that case. Similarly for host fallback. Also, I found that we weren't copying the args array that contains encoded thread_limit and num_teams clause for target (etc.) for async target. 2021-11-15 Jakub Jelinek <jakub@redhat.com> gcc/ * gimplify.c (optimize_target_teams): Only add OMP_CLAUSE_THREAD_LIMIT to OMP_TARGET_CLAUSES if it isn't there already. gcc/c-family/ * c-omp.c (c_omp_split_clauses) <case OMP_CLAUSE_THREAD_LIMIT>: Duplicate to both OMP_TARGET and OMP_TEAMS. gcc/c/ * c-parser.c (OMP_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_THREAD_LIMIT. gcc/cp/ * parser.c (OMP_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_THREAD_LIMIT. libgomp/ * task.c (gomp_create_target_task): Copy args array as well. * target.c (gomp_target_fallback): Add args argument. Set gomp_icv (true)->thread_limit_var if thread_limit is present. (GOMP_target): Adjust gomp_target_fallback caller. (GOMP_target_ext): Likewise. (gomp_target_task_fn): Likewise. * config/nvptx/team.c (gomp_nvptx_main): Set gomp_global_icv.thread_limit_var. * testsuite/libgomp.c-c++-common/thread-limit-1.c: New test. |
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| .. | ||
| config | ||
| plugin | ||
| testsuite | ||
| .gitattributes | ||
| acc_prof.h | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| affinity-fmt.c | ||
| affinity.c | ||
| alloc.c | ||
| allocator.c | ||
| atomic.c | ||
| barrier.c | ||
| ChangeLog | ||
| ChangeLog.graphite | ||
| config.h.in | ||
| configure | ||
| configure.ac | ||
| configure.tgt | ||
| critical.c | ||
| env.c | ||
| error.c | ||
| fortran.c | ||
| hashtab.h | ||
| icv-device.c | ||
| icv.c | ||
| iter_ull.c | ||
| iter.c | ||
| libgomp_f.h.in | ||
| libgomp_g.h | ||
| libgomp-plugin.c | ||
| libgomp-plugin.h | ||
| libgomp.h | ||
| libgomp.map | ||
| libgomp.spec.in | ||
| libgomp.texi | ||
| lock.c | ||
| loop_ull.c | ||
| loop.c | ||
| Makefile.am | ||
| Makefile.in | ||
| oacc-async.c | ||
| oacc-cuda.c | ||
| oacc-host.c | ||
| oacc-init.c | ||
| oacc-int.h | ||
| oacc-mem.c | ||
| oacc-parallel.c | ||
| oacc-plugin.c | ||
| oacc-plugin.h | ||
| oacc-profiling.c | ||
| oacc-target.c | ||
| omp_lib.f90.in | ||
| omp_lib.h.in | ||
| omp.h.in | ||
| openacc_lib.h | ||
| openacc.f90 | ||
| openacc.h | ||
| ordered.c | ||
| parallel.c | ||
| priority_queue.c | ||
| priority_queue.h | ||
| scope.c | ||
| sections.c | ||
| secure_getenv.h | ||
| single.c | ||
| splay-tree.c | ||
| splay-tree.h | ||
| target.c | ||
| task.c | ||
| taskloop.c | ||
| team.c | ||
| teams.c | ||
| work.c | ||