summaryrefslogtreecommitdiff
path: root/gcc/ddg.c
diff options
context:
space:
mode:
authorhagog <hagog@138bc75d-0d04-0410-961f-82ee72b054a4>2005-03-21 18:49:29 +0000
committerhagog <hagog@138bc75d-0d04-0410-961f-82ee72b054a4>2005-03-21 18:49:29 +0000
commita337a40424b4b722262682dd553870403386eaec (patch)
treef2b248b3f124017096da7b8acade677c20bf2d16 /gcc/ddg.c
parent9624cab18d22dcf72369ca32af66b931b3c301b9 (diff)
downloadgcc-a337a40424b4b722262682dd553870403386eaec.tar.gz
Fix PR middle-end/20177 and add test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96828 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ddg.c')
-rw-r--r--gcc/ddg.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/ddg.c b/gcc/ddg.c
index a54a87c0744..5a2cbeee109 100644
--- a/gcc/ddg.c
+++ b/gcc/ddg.c
@@ -187,6 +187,8 @@ create_ddg_dependence (ddg_ptr g, ddg_node_ptr src_node,
else
free (e);
}
+ else if (t == ANTI_DEP && dt == REG_DEP)
+ free (e); /* We can fix broken anti register deps using reg-moves. */
else
add_edge_to_ddg (g, e);
}