diff options
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index af73013..f0eafc5 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -6030,8 +6030,7 @@ vectorizable_reduction (gimple *stmt, gimple_stmt_iterator *gsi, dump_printf (MSG_NOTE, "op not supported by target.\n"); if (GET_MODE_SIZE (vec_mode) != UNITS_PER_WORD - || LOOP_VINFO_VECT_FACTOR (loop_vinfo) - < vect_min_worthwhile_factor (code)) + || !vect_worthwhile_without_simd_p (loop_vinfo, code)) return false; if (dump_enabled_p ()) @@ -6040,8 +6039,7 @@ vectorizable_reduction (gimple *stmt, gimple_stmt_iterator *gsi, /* Worthwhile without SIMD support? */ if (!VECTOR_MODE_P (TYPE_MODE (vectype_in)) - && LOOP_VINFO_VECT_FACTOR (loop_vinfo) - < vect_min_worthwhile_factor (code)) + && !vect_worthwhile_without_simd_p (loop_vinfo, code)) { if (dump_enabled_p ()) dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, @@ -6492,6 +6490,18 @@ vect_min_worthwhile_factor (enum tree_code code) } } +/* Return true if VINFO indicates we are doing loop vectorization and if + it is worth decomposing CODE operations into scalar operations for + that loop's vectorization factor. */ + +bool +vect_worthwhile_without_simd_p (vec_info *vinfo, tree_code code) +{ + loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo); + return (loop_vinfo + && (LOOP_VINFO_VECT_FACTOR (loop_vinfo) + >= vect_min_worthwhile_factor (code))); +} /* Function vectorizable_induction |