diff options
Diffstat (limited to 'gcc/config/c6x/c6x.c')
| -rw-r--r-- | gcc/config/c6x/c6x.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/config/c6x/c6x.c b/gcc/config/c6x/c6x.c index b76a268..159335d 100644 --- a/gcc/config/c6x/c6x.c +++ b/gcc/config/c6x/c6x.c @@ -3450,6 +3450,7 @@ try_rename_operands (rtx_insn *head, rtx_insn *tail, unit_req_table reqs, int best_reg, old_reg; vec<du_head_p> involved_chains = vNULL; unit_req_table new_reqs; + bool ok; for (i = 0, tmp_mask = op_mask; tmp_mask; i++) { @@ -3516,7 +3517,8 @@ try_rename_operands (rtx_insn *head, rtx_insn *tail, unit_req_table reqs, best_reg = find_rename_reg (this_head, super_class, &unavailable, old_reg, true); - gcc_assert (regrename_do_replace (this_head, best_reg)); + ok = regrename_do_replace (this_head, best_reg); + gcc_assert (ok); count_unit_reqs (new_reqs, head, PREV_INSN (tail)); merge_unit_reqs (new_reqs); @@ -3529,7 +3531,10 @@ try_rename_operands (rtx_insn *head, rtx_insn *tail, unit_req_table reqs, unit_req_imbalance (reqs), unit_req_imbalance (new_reqs)); } if (unit_req_imbalance (new_reqs) > unit_req_imbalance (reqs)) - gcc_assert (regrename_do_replace (this_head, old_reg)); + { + ok = regrename_do_replace (this_head, old_reg); + gcc_assert (ok); + } else memcpy (reqs, new_reqs, sizeof (unit_req_table)); |