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Date: Wed, 25 Jan 2012 13:05:28 +0200 From: "Kasatkin, Dmitry" <dmitry.kasatkin@...el.com> To: Al Viro <viro@...iv.linux.org.uk> Cc: linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net> Subject: Re: sparc32 vs lib/mpi On Sat, Jan 21, 2012 at 3:12 AM, Al Viro <viro@...iv.linux.org.uk> wrote: > I realize that very few people care about sparc32 these days, > but... > a) __clz_tab[] is defined (with identical contents) in > lib/mpi/mpi-bit.c and arch/sparc/lib/divdi3.S. Linker is unhappy, > of course... > b) the same thing ends up using __udiv_qrnnd(), which simply > does not exist on sparc32. There's a Cthulhu-scaring cascade of > ifdefs in lib/mpi/longlong.h, with several variants of udiv_qrnnd() > for sparc. Unfortunately, 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. Or not. BTW, 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. > Could somebody who might remember still remember that stuff > come up with comments? For 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... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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