predict.c (estimate_probability): Avoid duplicated predictions.

[gcc.git] / gcc / loop.c

diff --git a/gcc/loop.c b/gcc/loop.c
index db1ec9df7a35ba273e538a01da150e2168d724ab..3584fe4c91b769717aaeae14e5ee6d85c2743d55 100644 (file)
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -2676,6 +2676,14 @@ find_and_verify_loops (f, loops)
                  = JUMP_LABEL (insn) ? JUMP_LABEL (insn) : get_last_insn ();
                struct loop *target_loop = uid_loop[INSN_UID (target)];
                rtx loc, loc2;
+               rtx tmp;
+
+               /* Search for possible garbage past the conditional jumps
+                  and look for latest barrier.  */
+               for (tmp = last_insn_to_move;
+                    tmp && GET_CODE (tmp) != CODE_LABEL; tmp = NEXT_INSN (tmp))
+                 if (GET_CODE (tmp) == BARRIER)
+                   last_insn_to_move = tmp;
 
                for (loc = target; loc; loc = PREV_INSN (loc))
                  if (GET_CODE (loc) == BARRIER