mpn_rshift / mpn_lshift bug on m68000
user42 at zip.com.au
Tue Oct 21 12:27:35 CEST 2003
Patrick Pelissier <Patrick.Pelissier at loria.fr> writes:
> 2. The real shift count is modulo 32: the important bits are the 5
> lowest bits.
I think the docs say 64 actually (but I've not tried it). Clearly
either is fine.
> movew #4,-(sp) ; Push count (int)
I had an idea the stack is kept longword aligned. If you think that's
not the case then please post a program / compiler info / etc
illustrating that, or more to the point illustrating the problem
you're concerned about.
> If you really want, I can put a test case,
Yes, see "reporting bugs" in the manual. We ask for all that info so
as to have something definite to fix or refute (as the case may be).
> but it appears that you
> can't test it on a real mc68000.
We have a netbsd 68040 among our test systems.
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