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| author | Ilya Enkovich <ilya.enkovich@intel.com> | 2016-07-19 10:04:02 +0000 |
|---|---|---|
| committer | Ilya Enkovich <ienkovich@gcc.gnu.org> | 2016-07-19 10:04:02 +0000 |
| commit | d9157f1514cb8f9e64e4b57c5461a9bb9b03427f (patch) | |
| tree | 9306e3a0cf055b00959af76e666851019fcb784f /gcc/tree-vect-loop.c | |
| parent | f6918a8b63ad38e475c23e26df0f3c4f7faad6cb (diff) | |
| download | gcc-d9157f1514cb8f9e64e4b57c5461a9bb9b03427f.zip gcc-d9157f1514cb8f9e64e4b57c5461a9bb9b03427f.tar.gz gcc-d9157f1514cb8f9e64e4b57c5461a9bb9b03427f.tar.bz2 | |
tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update comment.
gcc/
* tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Update
comment.
(vect_update_inits_of_drs): Likewise.
(vect_create_cond_for_alias_checks): Likewise.
* tree-vect-loop.c (vect_get_known_peeling_cost): Likewise.
From-SVN: r238466
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 11863af..2a7e0c6 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -3065,7 +3065,15 @@ vect_get_known_peeling_cost (loop_vec_info loop_vinfo, int peel_iters_prologue, Return the number of iterations required for the vector version of the loop to be profitable relative to the cost of the scalar version of the - loop. */ + loop. + + *RET_MIN_PROFITABLE_NITERS is a cost model profitability threshold + of iterations for vectorization. -1 value means loop vectorization + is not profitable. This returned value may be used for dynamic + profitability check. + + *RET_MIN_PROFITABLE_ESTIMATE is a profitability threshold to be used + for static check against estimated number of iterations. */ static void vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo, |