[cfe-dev] [3.6 Release] Bugfixes in Masked Load/Store

[Hans Wennborg]

On Tue, Feb 17, 2015 at 6:55 AM, Demikhovsky, Elena
<elena.demikhovsky at intel.com> wrote:
> I fixed 2 bugs in the trunk branch related to Masked Load / Store.
> Since these intrinsics are generated by Loop Vectorizer on AVX2, a wrong code may be generated. One of the bugs was detected while gcc benchmark testing.
> http://llvm.org/bugs/show_bug.cgi?id=22225
>
> I think that the bugs should be fixed in 3.6.
> I have 2 options
> (1) promote changes of revisions 226791 and 226808 from trunk to 3.6
> (2) disable the Masked Load / Store support for AVX2 in 3.6
>
> Please let me know what do you think?

We'll be doing another release candidate of 3.6 so I guess we could
potentially squeeze these in (though I wish you'd told me sooner, the
patches are almost 4 weeks old).

Nadav, you're the X86 owner. Do you think r226791 and r226808 are safe to merge?

Thanks,
Hans