Thanks, however we were hoping that this is something that might be determined at configure/compile time via standard configuration options (we use autotools).
On Tue, Nov 17, 2015 at 4:10 PM, Pinski, Andrew < andrew.pin...@caviumnetworks.com> wrote: > Sounds like HWCAP should be checked at runtime for these features and then > have a fallback to software one. > > This might mean using function pointers and initializing the correct > ones. Or better yet use ifunc directly to check on them. > > > > Thanks, > > Andrew > > > > *From:* linaro-toolchain [mailto:linaro-toolchain-boun...@lists.linaro.org] > *On Behalf Of *Bill Fischofer > *Sent:* Tuesday, November 17, 2015 2:08 PM > *To:* Linaro Toolchain Mailman List <linaro-toolchain@lists.linaro.org> > *Cc:* Barry Spinney <spin...@ezchip.com> > *Subject:* Configuration question > > > > Hi, > > > > This question has arisen in the ODP project and the thought is that a > 'best practices' answer would be more likely to be found on this list. > > > > We have a component that wants to make use of specialized instructions for > performing CRC and/or AES computations and was wondering what is the > recommended way for an application to determine whether such instructions > are available in the toolchain and whether the user has overruled their use? > > > > Thanks for any insight you can provide. > > > > Bill >
_______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-toolchain
