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[Bug middle-end/37221] GCC for Cell SPU produces poor code when there is load-after-store in different loops
- From: "tehila at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Aug 2008 14:52:16 -0000
- Subject: [Bug middle-end/37221] GCC for Cell SPU produces poor code when there is load-after-store in different loops
- References: <bug-37221-13884@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from tehila at il dot ibm dot com 2008-08-25 14:52 -------
(In reply to comment #2)
> Hopefully, if that loop would be unrolled, the SRA will have the opportunity
> to do the transformation we expect it to do.
I've tried it manually, and that indeed works.
i.e., if we'll be able to unroll the loop we currently don't, the SRA will do
the work.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37221