Subject: Re: [RFC PATCH] powerpc: Fix dubious r0 usage

From: Segher Boessenkool <[email-masked]>
Date: Fri, 17 Feb 2017 14:03:45 -0600

On Fri, Feb 17, 2017 at 11:51:25PM +1030, Alan Modra wrote:
> On Fri, Feb 17, 2017 at 11:08:53PM +1100, Michael Ellerman wrote:
> > Bleeding edge binutils no longer accepts r0 in places where the CPU
> > interprets the value as a literal 0.
> 
> Wow!  That was quite some cleanup.  I think I'd better turn the error
> into a warning..

It also catches programming errors, not just syntax errors.

Segher