On Tue, Oct 2, 2012 at 11:35 AM, Vladimir Yakovlev <vbyakov...@gmail.com> wrote: >>>> The compiler with the patch and without post_reload.patch is built and >>>> works >>>> successfully. It has the only failure with avx-vzeroupper-3 test because of >>>> post reload problem. >>> >>> Ok, can you please elaborate a bit on this filure? Perhaps someone has >>> an idea why reload moves unspec_volatile around? >> >> LRA will eventually replace reload in the nearby future [1], does LRA >> also move unspec_volatile vzeroupper around? >> >> [1] http://gcc.gnu.org/ml/gcc-patches/2012-09/msg01862.html > > I tried my patch with LRA. It works fine. The test avx-vzeroupper-3 > runs succesfully, unspec_volatile vzeroupper is not moved around in > LRA.
Great! This also means +1 to include LRA in 4.8 from x86 maintainer. We also expect spill falure fixes and other improvements for pre-reload scheduling from LRA. Uros.
