diff options
Diffstat (limited to 'gcc/df-scan.c')
| -rw-r--r-- | gcc/df-scan.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/df-scan.c b/gcc/df-scan.c index 181994d..7ffaa66 100644 --- a/gcc/df-scan.c +++ b/gcc/df-scan.c @@ -1258,6 +1258,7 @@ df_insn_rescan (rtx insn) bitmap_clear_bit (df->insns_to_notes_rescan, uid); if (insn_info) { + int luid; bool the_same = df_insn_refs_verify (&collection_rec, bb, insn, false); /* If there's no change, return false. */ if (the_same) @@ -1270,9 +1271,12 @@ df_insn_rescan (rtx insn) if (dump_file) fprintf (dump_file, "rescanning insn with uid = %d.\n", uid); - /* There's change - we need to delete the existing info. */ + /* There's change - we need to delete the existing info. + Since the insn isn't moved, we can salvage its LUID. */ + luid = DF_INSN_LUID (insn); df_insn_delete (NULL, uid); df_insn_create_insn_record (insn); + DF_INSN_LUID (insn) = luid; } else { |