Re: Atlas: Help with s390 ASM
Le jeudi 28 janvier 2010 à 13:31 +0100, Ivan Warren a écrit :
> Sylvestre Ledru wrote:
> > Good question... I can try to do that. I was just trying to match the
> > current upstream behavior first.
> >
[...]
> That being said, and with the s390 ABI giving parm 1 in R2, returning
> R2, R1 being expandable and R14 being the return address there are
> several possibilities...
> lr %r1,%r2
> ar %r2,%r1
> ar %r2,%r1
> br %r14
> would probably also work (3x=x+x+x)
Many thanks for that. It is working.
I might need your help on other aspects but for now, it is up to me!
Thanks again,
Sylvestre
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