Re: [PATCH] print-rtx.c: add 'h', v' and 'p' prefixes to regnos

[Jeff Law <law at redhat dot com>]

On 09/28/2016 10:49 AM, Bernd Schmidt wrote:
> On 09/28/2016 06:36 PM, Jeff Law wrote:
> > > A "p" prefix for pseudos might still be a good idea, but there's still
> > > the issue of a real "p0" register name causing confusion.
> > So how do you think we should deal with distinguishing between the
> > different registers that may appear in a dump file?
>
> I think the main problem we were trying to solve is making sure we can
> make future-proof dumps. So that would argue for allowing h0, v0, p0
> syntax in the reader, but not printing them out that way by default.
Correct, I'm mostly concerned with future proofing.

I'm certainly OK with a flag to create dumps in a form that's easier to 
parse, but leaving things as-is by default.


> Also, if we don't already, allow hard regs to be specified by name in
> the reader, and maybe even require it for virtuals.
Works for me.

jeff