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[Bug middle-end/28752] bootstrap comparision fails with "-ftree-vectorize -maltivec" on ppc and i386
- From: "irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Dec 2006 13:30:18 -0000
- Subject: [Bug middle-end/28752] bootstrap comparision fails with "-ftree-vectorize -maltivec" on ppc and i386
- References: <bug-28752-12180@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #31 from irar at il dot ibm dot com 2006-12-07 13:30 -------
(In reply to comment #17)
> I applied the patch http://gcc.gnu.org/ml/gcc-patches/2006-07/msg01043.html (a
> fix for PR26197). The bootstrap with vectorization passes!
> However, the failure in comment #3 still occurs in the later revisions. So, I
> am going to hunt for a later patch that broke bootstrap with vectorization
> (applying the above patch).
I found this patch:
http://gcc.gnu.org/viewcvs?view=rev&revision=110852
The offending loop here is rs6000.c:17088.
If I disable -fmove-loop-invariants on r110852, bootstrap with vectorization
enabled passes.
Ira
--
irar at il dot ibm dot com changed:
What |Removed |Added
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28752