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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-04 16:43:42 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-04 16:43:42 +0000 |
| commit | 3e0431fecaefa15cad0253fb67f699eba01c43eb (patch) | |
| tree | 2a10de1ed4ebf3dc4f8016918bf866e53a26e1d0 /gcc/sched-deps.c | |
| parent | 685ead0bac5df728acc5b886c40d654c7edd1802 (diff) | |
| download | gcc-3e0431fecaefa15cad0253fb67f699eba01c43eb.tar.gz | |
PR rtl-optimization/44013
* sched-deps.c (add_dependence_list_and_free): Don't free lists
when processing debug insns.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160281 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 556c38a4fb0..4577c8e1c51 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -1407,7 +1407,10 @@ add_dependence_list_and_free (struct deps_desc *deps, rtx insn, rtx *listp, { rtx list, next; - if (deps->readonly) + /* We don't want to short-circuit dependencies involving debug + insns, because they may cause actual dependencies to be + disregarded. */ + if (deps->readonly || DEBUG_INSN_P (insn)) { add_dependence_list (insn, *listp, uncond, dep_type); return; |