On Mon, Jul 13, 2020 at 12:48 AM Jan Beulich <jbeul...@suse.com> wrote: > > On 13.07.2020 09:40, Florian Weimer wrote: > > * Richard Biener: > >>> 2. I have a library with AVX2 and FMA, which directory should it go? > >> > >> Eventually GCC/gas can annotate objects with the lowest architecture > >> level that is applicable? > > > > H.J. has patches for ELF program properties. I think > > GNU_PROPERTY_X86_ISA_1_NEEDED would convey this information. This > > proposal and the glibc patches are independent of that. > > From (partly just halfway) recent discussions with H.J. I gained > the understanding that the piece we're aiming at getting to work > properly is the recording of GNU_PROPERTY_X86_FEATURE_2_*, not > so much GNU_PROPERTY_X86_ISA_1_*. If the ISA one is to be used as > a basis here, a lot of new flags will need adding (and properly > setting) first, I think. >
We can update GNU_PROPERTY_X86_ISA_1_* as needed. -- H.J.