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authorrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>2006-02-12 22:32:33 +0000
committerrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>2006-02-12 22:32:33 +0000
commitd9da8b4c02490945c709553504269540884b3e87 (patch)
tree6f2cb4496a9540f20557e99827de0862060d2dfd /gcc/loop-invariant.c
parent56f281a2b47e973cc02644161c62859400f3e6f4 (diff)
downloadgcc-d9da8b4c02490945c709553504269540884b3e87.tar.gz
PR rtl-optimization/26232
* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110897 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop-invariant.c')
-rw-r--r--gcc/loop-invariant.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c
index 3ecf9d6126d..f7037474b3a 100644
--- a/gcc/loop-invariant.c
+++ b/gcc/loop-invariant.c
@@ -730,6 +730,12 @@ find_invariant_insn (rtx insn, bool always_reached, bool always_executed)
|| find_reg_note (insn, REG_NO_CONFLICT, NULL_RTX))
return;
+#ifdef HAVE_cc0
+ /* We can't move a CC0 setter without the user. */
+ if (sets_cc0_p (insn))
+ return;
+#endif
+
set = single_set (insn);
if (!set)
return;