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| author | Marek Polacek <polacek@redhat.com> | 2013-08-30 10:24:49 +0200 |
|---|---|---|
| committer | Marek Polacek <polacek@redhat.com> | 2013-08-30 10:24:49 +0200 |
| commit | 1a986fd51aa96fbd0d66f4d52739356374912563 (patch) | |
| tree | f5310553e69c8a35180556d9af7e66bdecac7f92 /gcc/tree-ssa-loop-ivcanon.c | |
| parent | 61fb959b676db6ca9ef0da335dfef0d8ec08e113 (diff) | |
| parent | f85c9de6ba5165bc1b941ceb09e4e8ffb1c7eb0f (diff) | |
| download | gcc-ubsan.tar.gz | |
Merge branch 'master' of git+ssh://gcc.gnu.org/git/gcc into ubsanubsan
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) |