Hi Florian, > -----Original Message----- > From: Gcc <gcc-boun...@gcc.gnu.org> On Behalf Of Florian Weimer via Gcc > Sent: 29 April 2020 13:33 > To: gcc@gcc.gnu.org > Cc: nmeye...@amzn.com > Subject: Should ARMv8-A generic tuning default to -moutline-atomics > > Distributions are receiving requests to build things with > -moutline-atomics: > > <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=956418> > > Should this be reflected in the GCC upstream defaults for ARMv8-A > generic tuning? It does not make much sense to me if every distribution > has to overide these flags, either in their build system or by patching > GCC.
I don't think this is a "tuning" decision as such, it is a useful feature for deploying LSE in a backwards-compatible manner. I would support a GCC configure option that would allow distributions to default GCC to it. WDYT? Thanks, Kyrill > > Thanks, > Florian