On 6 September 2011 16:09, Andy Doan <andy.d...@linaro.org> wrote: > On 09/05/2011 11:35 AM, Christian Robottom Reis wrote: >> On Sat, Sep 03, 2011 at 09:10:58PM +0800, Jim Huang wrote: >>> 2011/9/3 Tom Gall <tom.g...@linaro.org>: >>>> Is a method via the aux vectors to know at runtime if neon is or is >>>> not present? >>> >>> hi Tom, >>> >>> Did you mean this? >>> https://bugs.meego.com/show_bug.cgi?id=12448 >> >> The recipe in step #1 is probably a good candidate for a FAQ on "How do >> I tell what features the ARM CPU on my device has?". > > done: > > https://wiki.linaro.org/Resources/HowTo/DeterminingNeon
For random "user at the command line" usage is this any better than the simpler "grep neon /proc/cpuinfo" ? (For that specific meego bug it serves a purpose in that it reveals that the libc/auxv is lying, but in general cpuinfo and auxv should I agree I think.) If you're a program, you do want to use auxv I think, but you'd just read it directly rather than invoking an external binary via the shell to get the dynamic linker to read auxv for you as a side effect... -- PMM _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
