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| author | Tom de Vries <tom@codesourcery.com> | 2015-09-03 11:00:46 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2015-09-03 11:00:46 +0000 |
| commit | f7f186847d9a170f1f1926e77cc4f00c7ca0b92b (patch) | |
| tree | 483c896cc6a21e4a2df91c56176b36022aafd87a /gcc/tree-parloops.c | |
| parent | 2699123aabf1969ec4318550d5c7623a2783c5f5 (diff) | |
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Add param parloops-chunk-size
2015-09-03 Tom de Vries <tom@codesourcery.com>
* doc/invoke.texi (parloops-chunk-size): Add item.
* params.def (PARAM_PARLOOPS_CHUNK_SIZE): Add DEFPARAM.
* tree-parloops.c: Include params.h.
(create_parallel_loop): Set chunk-size of schedule of omp-for loop, if
param parloops-chunk-size is used.
From-SVN: r227434
Diffstat (limited to 'gcc/tree-parloops.c')
| -rw-r--r-- | gcc/tree-parloops.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c index d017479..c164121 100644 --- a/gcc/tree-parloops.c +++ b/gcc/tree-parloops.c @@ -57,6 +57,7 @@ along with GCC; see the file COPYING3. If not see #include "tree-nested.h" #include "cgraph.h" #include "tree-ssa.h" +#include "params.h" /* This pass tries to distribute iterations of loops into several threads. The implementation is straightforward -- for each loop we test whether its @@ -2092,6 +2093,10 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data, type = TREE_TYPE (cvar); t = build_omp_clause (loc, OMP_CLAUSE_SCHEDULE); OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_STATIC; + int chunk_size = PARAM_VALUE (PARAM_PARLOOPS_CHUNK_SIZE); + if (chunk_size != 0) + OMP_CLAUSE_SCHEDULE_CHUNK_EXPR (t) + = build_int_cst (integer_type_node, chunk_size); for_stmt = gimple_build_omp_for (NULL, GF_OMP_FOR_KIND_FOR, t, 1, NULL); gimple_set_location (for_stmt, loc); |