dynamic CPU detection for libgcrypt assembly code?

Werner Koch wk at gnupg.org
Fri Dec 20 16:17:45 CET 2013


On Fri, 20 Dec 2013 15:44, hans at guardianproject.info said:

> question is whether there is any kind of dynamic CPU detection that would
> enable certain modules, like ARM NEON code?  We'd like to include the NEON

Libgcrypt uses /proc/self/auxv to detect the presence of NEON.
If you run

   mpicalc --print-config | grep ^hwflist:

you get the list of hardware features libgcrypt 1.6 knows about.


Salam-Shalom,

   Werner

-- 
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.




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