On Thu, Jul 03, 2014 at 01:20:14PM +0200, Alexander Graf wrote: >On 02.07.14 14:46, Steve McIntyre wrote: >> >>Ummm... >> >>Didn't all the distros agree on VFP3-D16 (i.e. hard-float, non-NEON) >>as the baseline for cross-distro compatibility for the ARM hard-float >>ports? > >The idea behind the cross-distro compatibility was to standardize on >the ABI and ABI requirements. IIUC these are identical whether you >use NEON instructions or not. > >The fact that code may be compiled with NEON optimizations enabled is >thus not an issue of cross-distro compatibility :). It only narrows >down the set of hardware that we can run on.
Ah, yes. :-) True, so long as you don't end up with (badly-written?) functions passing so many arguments that they overflow into using the extra NEON VFP registers. Unlikely, I hope! Cheers, -- Steve McIntyre [email protected] <http://www.linaro.org/> Linaro.org | Open source software for ARM SoCs -- To unsubscribe, e-mail: [email protected] To contact the owner, e-mail: [email protected]
