diff options
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 68b9a583bb2..c707d76e8af 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -1588,6 +1588,18 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) return false; } + /* Analyze the access patterns of the data-refs in the loop (consecutive, + complex, etc.). FORNOW: Only handle consecutive access pattern. */ + + ok = vect_analyze_data_ref_accesses (loop_vinfo, NULL); + if (!ok) + { + if (dump_enabled_p ()) + dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, + "bad data access."); + return false; + } + /* Classify all cross-iteration scalar data-flow cycles. Cross-iteration cycles caused by virtual phis are analyzed separately. */ @@ -1611,7 +1623,7 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) the dependences. FORNOW: fail at the first data dependence that we encounter. */ - ok = vect_analyze_data_ref_dependences (loop_vinfo, NULL, &max_vf); + ok = vect_analyze_data_ref_dependences (loop_vinfo, &max_vf); if (!ok || max_vf < min_vf) { @@ -1649,18 +1661,6 @@ vect_analyze_loop_2 (loop_vec_info loop_vinfo) return false; } - /* Analyze the access patterns of the data-refs in the loop (consecutive, - complex, etc.). FORNOW: Only handle consecutive access pattern. */ - - ok = vect_analyze_data_ref_accesses (loop_vinfo, NULL); - if (!ok) - { - if (dump_enabled_p ()) - dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, - "bad data access."); - return false; - } - /* Prune the list of ddrs to be tested at run-time by versioning for alias. It is important to call pruning after vect_analyze_data_ref_accesses, since we use grouping information gathered by interleaving analysis. */ @@ -5772,11 +5772,6 @@ vect_transform_loop (loop_vec_info loop_vinfo) loop->nb_iterations_estimate = loop->nb_iterations_estimate - double_int_one; } - /* The memory tags and pointers in vectorized statements need to - have their SSA forms updated. FIXME, why can't this be delayed - until all the loops have been transformed? */ - update_ssa (TODO_update_ssa); - if (dump_enabled_p ()) dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, vect_location, "LOOP VECTORIZED."); if (loop->inner && dump_enabled_p ()) |