Subject: Re: [PATCH v2] powerpc: slightly improve cache helpers

From: Michael Ellerman <[email-masked]>
Date: Mon, 8 Jul 2019 11:19:30 +1000 (AEST)

On Fri, 2019-05-10 at 09:24:48 UTC, Christophe Leroy wrote:
> Cache instructions (dcbz, dcbi, dcbf and dcbst) take two registers
> that are summed to obtain the target address. Using 'Z' constraint
> and '%y0' argument gives GCC the opportunity to use both registers
> instead of only one with the second being forced to 0.
> 
> Suggested-by: Segher Boessenkool <[email-masked]>
> Signed-off-by: Christophe Leroy <[email-masked]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6c5875843b87c3adea2beade9d1b8b3d4523900a

cheers