diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2002-03-31 18:45:21 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2002-03-31 18:45:21 +0000 |
| commit | d88a0ce252cbc1cd11a4d10b427eb321bf085277 (patch) | |
| tree | c2809676f9bd4ac3a167984c72a6de47dc1e7a97 /gcc/reorg.c | |
| parent | a4bb4b94d7f61596f2998edfc2a7760532de1a4a (diff) | |
PR middle-end/6096, middle-end/6098, middle-end/6099
* reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
CODE_LABELs.
(fill_slots_from_thread): Likewise.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@51668 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reorg.c')
| -rw-r--r-- | gcc/reorg.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c index b1c33f5bf0d..6fc73f1413b 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -511,7 +511,8 @@ emit_delay_sequence (insn, list, length) case REG_LABEL: /* Keep the label reference count up to date. */ - LABEL_NUSES (XEXP (note, 0)) ++; + if (GET_CODE (XEXP (note, 0)) == CODE_LABEL) + LABEL_NUSES (XEXP (note, 0)) ++; break; default: @@ -2732,12 +2733,13 @@ fill_slots_from_thread (insn, condition, thread, opposite_thread, likely, temporarily increment the use count on any referenced label lest it be deleted by delete_related_insns. */ note = find_reg_note (trial, REG_LABEL, 0); - if (note) + /* REG_LABEL could be NOTE_INSN_DELETED_LABEL too. */ + if (note && GET_CODE (XEXP (note, 0)) == CODE_LABEL) LABEL_NUSES (XEXP (note, 0))++; delete_related_insns (trial); - if (note) + if (note && GET_CODE (XEXP (note, 0)) == CODE_LABEL) LABEL_NUSES (XEXP (note, 0))--; } else |