diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index 735403a0284..f2acc4c15f1 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -870,11 +870,12 @@ try_unroll_loop_completely (struct loop *loop, { if (!n_unroll) dump_printf_loc (MSG_OPTIMIZED_LOCATIONS | TDF_DETAILS, locus, - "Turned loop into non-loop; it never loops.\n"); + "loop turned into non-loop; it never loops\n"); else { dump_printf_loc (MSG_OPTIMIZED_LOCATIONS | TDF_DETAILS, locus, - "Completely unroll loop %d times", (int)n_unroll); + "loop with %d iterations completely unrolled", + (int) (n_unroll + 1)); if (profile_info) dump_printf (MSG_OPTIMIZED_LOCATIONS | TDF_DETAILS, " (header execution count %d)", @@ -1125,6 +1126,11 @@ tree_unroll_loops_completely_1 (bool may_increase_size, bool unroll_outer, if (changed) return true; + /* Don't unroll #pragma omp simd loops until the vectorizer + attempts to vectorize those. */ + if (loop->force_vect) + return false; + /* Try to unroll this loop. */ loop_father = loop_outer (loop); if (!loop_father) |