On Tue, May 10, 2016 at 12:03:48PM -0700, H. Peter Anvin wrote:
> Also, to be fair... if the problem is with these being in C then we
> could just do it in assembly easily enough.
I thought about converting the __sw_hweight* variants to asm but
__sw_hweight32, for example, is 55 bytes here and that's a lot.
Or do you have a better idea?
peterz's sounds ok to me: we call a thunk which then calls __sw_hweight*
after having saved regs properly - problem solved.
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Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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