diff options
Diffstat (limited to 'gcc/tree-vect-slp.c')
| -rw-r--r-- | gcc/tree-vect-slp.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 3885d9c..1e00db5 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -3203,7 +3203,12 @@ vect_slp_bb_region (gimple_stmt_iterator region_begin, && dbg_cnt (vect_slp)) { if (dump_enabled_p ()) - dump_printf_loc (MSG_NOTE, vect_location, "SLPing BB part\n"); + { + dump_printf_loc (MSG_NOTE, vect_location, + "***** Analysis succeeded with vector mode" + " %s\n", GET_MODE_NAME (bb_vinfo->vector_mode)); + dump_printf_loc (MSG_NOTE, vect_location, "SLPing BB part\n"); + } bb_vinfo->shared->check_datarefs (); vect_schedule_slp (bb_vinfo); @@ -3223,6 +3228,13 @@ vect_slp_bb_region (gimple_stmt_iterator region_begin, vectorized = true; } + else + { + if (dump_enabled_p ()) + dump_printf_loc (MSG_NOTE, vect_location, + "***** Analysis failed with vector mode %s\n", + GET_MODE_NAME (bb_vinfo->vector_mode)); + } if (mode_i == 0) autodetected_vector_mode = bb_vinfo->vector_mode; @@ -3230,9 +3242,22 @@ vect_slp_bb_region (gimple_stmt_iterator region_begin, delete bb_vinfo; if (mode_i < vector_modes.length () - && known_eq (GET_MODE_SIZE (vector_modes[mode_i]), - GET_MODE_SIZE (autodetected_vector_mode))) - mode_i += 1; + && VECTOR_MODE_P (autodetected_vector_mode) + && (related_vector_mode (vector_modes[mode_i], + GET_MODE_INNER (autodetected_vector_mode)) + == autodetected_vector_mode) + && (related_vector_mode (autodetected_vector_mode, + GET_MODE_INNER (vector_modes[mode_i])) + == vector_modes[mode_i])) + { + if (dump_enabled_p ()) + dump_printf_loc (MSG_NOTE, vect_location, + "***** Skipping vector mode %s, which would" + " repeat the analysis for %s\n", + GET_MODE_NAME (vector_modes[mode_i]), + GET_MODE_NAME (autodetected_vector_mode)); + mode_i += 1; + } if (vectorized || mode_i == vector_modes.length () |