[cfe-dev] Gobal register variables marked local

[Reid Kleckner]

Yeah, this looks like a promising direction.


On Thu, May 15, 2014 at 1:51 PM, Renato Golin <renato.golin at linaro.org>wrote:

> On 14 May 2014 17:40, Reid Kleckner <rnk at google.com> wrote:
> > What about making a new LValue type that doesn't have an address?  At the
> > source level, current_stack_pointer is an lvalue that can be stored to.
>  If
> > we ever want to add support for the 'register' class specifier as it was
> > originally designed, we will need a new 'Register' LValue type that can
> be
> > read from and stored to.  We probably don't want to do that, but it feels
> > like the right model to me.
>
> Hi Reid,
>
> I think I got it. Creating a new type of LValue wasn't that much
> invasive after all, though I don't know how folks feel about it.
> Attached is a patch that makes it work (but breaks other things and
> has more hacks than I'd consider healthy). Can you have a look and see
> if that's (more or less) what you had in mind? If that's the right
> angle, I'll fix the bugs and add some tests.
>
> cheers,
> --renato
>
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