diff options
Diffstat (limited to 'gcc/haifa-sched.c')
| -rw-r--r-- | gcc/haifa-sched.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 64c8c9c1f70..7aeedc339d5 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -1233,6 +1233,11 @@ recompute_todo_spec (rtx_insn *next, bool for_backtrack) if (!sd_lists_empty_p (next, SD_LIST_HARD_BACK)) return HARD_DEP; + /* If NEXT is intended to sit adjacent to this instruction, we don't + want to try to break any dependencies. Treat it as a HARD_DEP. */ + if (SCHED_GROUP_P (next)) + return HARD_DEP; + /* Now we've got NEXT with speculative deps only. 1. Look at the deps to see what we have to do. 2. Check if we can do 'todo'. */ |