diff options
Diffstat (limited to 'gcc/omp-general.c')
| -rw-r--r-- | gcc/omp-general.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/omp-general.c b/gcc/omp-general.c index cc6aecb..1e4c0b2 100644 --- a/gcc/omp-general.c +++ b/gcc/omp-general.c @@ -193,6 +193,7 @@ omp_extract_for_data (gomp_for *for_stmt, struct omp_for_data *fd, == GF_OMP_FOR_KIND_DISTRIBUTE; bool taskloop = gimple_omp_for_kind (for_stmt) == GF_OMP_FOR_KIND_TASKLOOP; + bool order_reproducible = false; tree iterv, countv; fd->for_stmt = for_stmt; @@ -277,10 +278,25 @@ omp_extract_for_data (gomp_for *for_stmt, struct omp_for_data *fd, && !OMP_CLAUSE__SCANTEMP__CONTROL (t)) fd->have_nonctrl_scantemp = true; break; + case OMP_CLAUSE_ORDER: + /* FIXME: For OpenMP 5.2 this should change to + if (OMP_CLAUSE_ORDER_REPRODUCIBLE (t)) + (with the exception of loop construct but that lowers to + no schedule/dist_schedule clauses currently). */ + if (!OMP_CLAUSE_ORDER_UNCONSTRAINED (t)) + order_reproducible = true; default: break; } + /* For order(reproducible:concurrent) schedule ({dynamic,guided,runtime}) + we have either the option to expensively remember at runtime how we've + distributed work from first loop and reuse that in following loops with + the same number of iterations and schedule, or just force static schedule. + OpenMP API calls etc. aren't allowed in order(concurrent) bodies so + users can't observe it easily anyway. */ + if (order_reproducible) + fd->sched_kind = OMP_CLAUSE_SCHEDULE_STATIC; if (fd->collapse > 1 || fd->tiling) fd->loops = loops; else |