On Fri, Apr 13, 2018 at 5:10 AM, Wilco Dijkstra <wilco.dijks...@arm.com> wrote:

> This patch causes regressions on AArch64 since it now always calls mempcpy
> again, so yes either it would need to be done only for tailcalls (which fixes 
> the
> reported regression) or we need Martin's change too so each target can state 
> whether
> they have a fast mempcpy or not.

You should open a bug report to track it.


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