Re: sparc32 vs lib/mpi

[Kasatkin, Dmitry]

On Sat, Jan 21, 2012 at 3:12 AM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> Â Â Â ÂI realize that very few people care about sparc32 these days,
> but...
> Â Â Â Âa) __clz_tab[] is defined (with identical contents) in
> lib/mpi/mpi-bit.c and arch/sparc/lib/divdi3.S. ÂLinker is unhappy,
> of course...
> Â Â Â Âb) the same thing ends up using __udiv_qrnnd(), which simply
> does not exist on sparc32. ÂThere's a Cthulhu-scaring cascade of
> ifdefs in lib/mpi/longlong.h, with several variants of udiv_qrnnd()
> for sparc. ÂUnfortunately, it falls back on use of __udiv_qrnnd()...
> Note that arch/sparc/math-emu/sfp-util_32.h has a definition of
> udiv_qrnnd() which might match one of inline assembly variants in

Would need to test it and see how it works...

> lib/mpi/longlong.h. ÂOr not. ÂBTW, what the hell is LONGLONG_STANDALONE?
>

i see that it comes from gnupg code as it is, but do not see any
scripts which might define it.

> Â Â Â ÂCould somebody who might remember still remember that stuff
> come up with comments? ÂFor now I'm disabling everything from
> INTEGRITY_SIGNATURE down to MPILIB on sparc32 cross-build, but it
> would be nice to get it at least somewhat sorted out...
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