diff options
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 188581f..4ef9ba8 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -280,6 +280,23 @@ vect_analyze_data_ref_dependence (struct data_dependence_relation *ddr, /* Unknown data dependence. */ if (DDR_ARE_DEPENDENT (ddr) == chrec_dont_know) { + if (STMT_VINFO_GATHER_P (stmtinfo_a) + || STMT_VINFO_GATHER_P (stmtinfo_b)) + { + if (dump_enabled_p ()) + { + dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, + "versioning for alias not supported for: " + "can't determine dependence between "); + dump_generic_expr (MSG_MISSED_OPTIMIZATION, TDF_SLIM, + DR_REF (dra)); + dump_printf (MSG_MISSED_OPTIMIZATION, " and "); + dump_generic_expr (MSG_MISSED_OPTIMIZATION, TDF_SLIM, + DR_REF (drb)); + } + return false; + } + if (dump_enabled_p ()) { dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, @@ -299,6 +316,23 @@ vect_analyze_data_ref_dependence (struct data_dependence_relation *ddr, /* Known data dependence. */ if (DDR_NUM_DIST_VECTS (ddr) == 0) { + if (STMT_VINFO_GATHER_P (stmtinfo_a) + || STMT_VINFO_GATHER_P (stmtinfo_b)) + { + if (dump_enabled_p ()) + { + dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, + "versioning for alias not supported for: " + "bad dist vector for "); + dump_generic_expr (MSG_MISSED_OPTIMIZATION, TDF_SLIM, + DR_REF (dra)); + dump_printf (MSG_MISSED_OPTIMIZATION, " and "); + dump_generic_expr (MSG_MISSED_OPTIMIZATION, TDF_SLIM, + DR_REF (drb)); + } + return false; + } + if (dump_enabled_p ()) { dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, |