diff options
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index bc5d213..7fc401f 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1452,6 +1452,54 @@ comp_dr_with_seg_len_pair (const void *pa_, const void *pb_) return 0; } +/* Dump information about ALIAS_PAIR, indenting each line by INDENT. */ + +static void +dump_alias_pair (dr_with_seg_len_pair_t *alias_pair, const char *indent) +{ + dump_printf (MSG_NOTE, "%sreference: %T vs. %T\n", indent, + DR_REF (alias_pair->first.dr), + DR_REF (alias_pair->second.dr)); + + dump_printf (MSG_NOTE, "%ssegment length: %T", indent, + alias_pair->first.seg_len); + if (!operand_equal_p (alias_pair->first.seg_len, + alias_pair->second.seg_len, 0)) + dump_printf (MSG_NOTE, " vs. %T", alias_pair->second.seg_len); + + dump_printf (MSG_NOTE, "\n%saccess size: ", indent); + dump_dec (MSG_NOTE, alias_pair->first.access_size); + if (maybe_ne (alias_pair->first.access_size, alias_pair->second.access_size)) + { + dump_printf (MSG_NOTE, " vs. "); + dump_dec (MSG_NOTE, alias_pair->second.access_size); + } + + dump_printf (MSG_NOTE, "\n%salignment: %d", indent, + alias_pair->first.align); + if (alias_pair->first.align != alias_pair->second.align) + dump_printf (MSG_NOTE, " vs. %d", alias_pair->second.align); + + dump_printf (MSG_NOTE, "\n%sflags: ", indent); + if (alias_pair->flags & DR_ALIAS_RAW) + dump_printf (MSG_NOTE, " RAW"); + if (alias_pair->flags & DR_ALIAS_WAR) + dump_printf (MSG_NOTE, " WAR"); + if (alias_pair->flags & DR_ALIAS_WAW) + dump_printf (MSG_NOTE, " WAW"); + if (alias_pair->flags & DR_ALIAS_ARBITRARY) + dump_printf (MSG_NOTE, " ARBITRARY"); + if (alias_pair->flags & DR_ALIAS_SWAPPED) + dump_printf (MSG_NOTE, " SWAPPED"); + if (alias_pair->flags & DR_ALIAS_UNSWAPPED) + dump_printf (MSG_NOTE, " UNSWAPPED"); + if (alias_pair->flags & DR_ALIAS_MIXED_STEPS) + dump_printf (MSG_NOTE, " MIXED_STEPS"); + if (alias_pair->flags == 0) + dump_printf (MSG_NOTE, " <none>"); + dump_printf (MSG_NOTE, "\n"); +} + /* Merge alias checks recorded in ALIAS_PAIRS and remove redundant ones. FACTOR is number of iterations that each data reference is accessed. @@ -1655,6 +1703,8 @@ prune_runtime_alias_test_list (vec<dr_with_seg_len_pair_t> *alias_pairs, dr_with_seg_len_pair_t. If we ended up combining swapped and unswapped pairs into the same check, we have to invalidate any RAW, WAR and WAW information for it. */ + if (dump_enabled_p ()) + dump_printf (MSG_NOTE, "merged alias checks:\n"); FOR_EACH_VEC_ELT (*alias_pairs, i, alias_pair) { unsigned int swap_mask = (DR_ALIAS_SWAPPED | DR_ALIAS_UNSWAPPED); @@ -1664,6 +1714,8 @@ prune_runtime_alias_test_list (vec<dr_with_seg_len_pair_t> *alias_pairs, else if (swapped != DR_ALIAS_UNSWAPPED) alias_pair->flags |= DR_ALIAS_ARBITRARY; alias_pair->flags &= ~swap_mask; + if (dump_enabled_p ()) + dump_alias_pair (alias_pair, " "); } } |