Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH v2] powerpc: slightly improve cache helpers | Date | Mon, 8 Jul 2019 11:19:30 +1000 (AEST) |
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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 <segher@kernel.crashing.org> > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/6c5875843b87c3adea2beade9d1b8b3d4523900a
cheers
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