From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: linearize bug?
Date: Sat, 27 Aug 2011 18:07:33 -0400
Message-ID: <4E596AA5.9080401@garzik.org>
References: <4E588EB8.80808@garzik.org> <201108271334.17659.kdudka@redhat.com>
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To: Kamil Dudka <kdudka@redhat.com>
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------------------------------------------
--- a/cse.c
+++ b/cse.c
@@ -316,12 +316,14 @@ static struct instruction * try_to_cse(struct 
entrypoint *
         b1 = i1->bb;
         b2 = i2->bb;

+#if 0
         /*
          * PHI-nodes do not care where they are - the only thing that 
matters
          * are the PHI _sources_.
          */
         if (i1->opcode == OP_PHI)
                 return cse_one_instruction(i1, i2);
+#endif

--------------------------------------


That patch definitely gets much farther along in terms of handling loops.

	Jeff