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[Bug target/66049] Few AArch64 extend and add with shift tests generates sub optimal code with trunk gcc 6.0.
- From: "ramana at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 15 May 2015 14:35:33 +0000
- Subject: [Bug target/66049] Few AArch64 extend and add with shift tests generates sub optimal code with trunk gcc 6.0.
- Auto-submitted: auto-generated
- References: <bug-66049-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66049
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ramana at gcc dot gnu.org
--- Comment #5 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
(In reply to vekumar from comment #4)
> (In reply to ktkachov from comment #3)
> > Venkat, are you planning to submit this patch to gcc-patches?
> > Also, does this mean we can remove the patterns that do arith+shift using
> > MULT rtxes? (like *adds_<optab><mode>_multp2)
>
> Hi Kyrill,
>
> Yes I am planing to submit the patch. But before that I need to test by
> putting some assert and check if *adds_<optab><mode>_multp2 and similar
> patterns are not used anymore.
So this is a regression on GCC 6. what's holding up pushing this patch onto
gcc-patches@ ?