diff options
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, |