On Fri, Feb 8, 2013 at 10:15 AM, Grobman Alexander-R53196 <R53196@xxxxxxxxxxxxx> wrote: > > I'm trying to incorporate new PPC instructions into a C code. These instructions use limited set of GPRs as operands i.e. only even registers can be used as a source, > > Is there way to specify that in the asm() statement? As far as I know there is no constraint that describes only the even registers of the general register set. It would not be very difficult to add one to the PPC backend. I can't think of any other way to approach this. Ian
