Re: [Qemu-devel] [PATCH] SPARC target : Fix carry flag update inaddxcc and subxc

[Laurent Desnogues]

Blue Swirl a écrit :
> > Doesn't this condition in addx and the corresponding line in subx need 
> > similar
> > treatment?
>
> They don't change the flags.

ADDX (now named ADDC in v9) doesn't change the flags, while ADDXcc
(ADDCcc) does.  The cc versions also compute overflow.

cf. SPARC v9 on www.sparg.org


                        Laurent