diff options
Diffstat (limited to 'gcc/tree-vect-analyze.c')
| -rw-r--r-- | gcc/tree-vect-analyze.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/gcc/tree-vect-analyze.c b/gcc/tree-vect-analyze.c index ea28a2c..c195c7a 100644 --- a/gcc/tree-vect-analyze.c +++ b/gcc/tree-vect-analyze.c @@ -262,7 +262,8 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo) } /* TODO: Analyze cost. Decide if worth while to vectorize. */ - + if (vect_print_dump_info (REPORT_DETAILS)) + fprintf (vect_dump, "vectorization factor = %d", vectorization_factor); if (vectorization_factor <= 1) { if (vect_print_dump_info (REPORT_UNVECTORIZED_LOOPS)) @@ -1434,6 +1435,7 @@ static bool vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) { VEC (data_reference_p, heap) *datarefs = LOOP_VINFO_DATAREFS (loop_vinfo); + struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo); enum dr_alignment_support supportable_dr_alignment; struct data_reference *dr0 = NULL; struct data_reference *dr; @@ -1531,7 +1533,8 @@ vect_enhance_data_refs_alignment (loop_vec_info loop_vinfo) /* Often peeling for alignment will require peeling for loop-bound, which in turn requires that we know how to adjust the loop ivs after the loop. */ - if (!vect_can_advance_ivs_p (loop_vinfo)) + if (!vect_can_advance_ivs_p (loop_vinfo) + || !slpeel_can_duplicate_loop_p (loop, single_exit (loop))) do_peeling = false; if (do_peeling) @@ -2641,10 +2644,7 @@ vect_analyze_loop_form (struct loop *loop) return false; } - loop_vinfo = new_loop_vec_info (loop); - LOOP_VINFO_NITERS (loop_vinfo) = number_of_iterations; - - if (!LOOP_VINFO_NITERS_KNOWN_P (loop_vinfo)) + if (!NITERS_KNOWN_P (number_of_iterations)) { if (vect_print_dump_info (REPORT_DETAILS)) { @@ -2652,16 +2652,19 @@ vect_analyze_loop_form (struct loop *loop) print_generic_expr (vect_dump, number_of_iterations, TDF_DETAILS); } } - else - if (LOOP_VINFO_INT_NITERS (loop_vinfo) == 0) + else if (TREE_INT_CST_LOW (number_of_iterations) == 0) { if (vect_print_dump_info (REPORT_UNVECTORIZED_LOOPS)) fprintf (vect_dump, "not vectorized: number of iterations = 0."); return NULL; } + loop_vinfo = new_loop_vec_info (loop); + LOOP_VINFO_NITERS (loop_vinfo) = number_of_iterations; LOOP_VINFO_EXIT_COND (loop_vinfo) = loop_cond; + gcc_assert (!loop->aux); + loop->aux = loop_vinfo; return loop_vinfo; } |