Re: [Qemu-devel] [PATCH v11 24/29] target/arm: [tcg, a64] Port to translate_insn

[Emilio G. Cota]

On Fri, Jul 07, 2017 at 05:46:19 -1000, Richard Henderson wrote:
> I do wonder if we should provide a generic empty hook, so that a target that
> does not need a particular hook need not define an empty function.  It could
> just put e.g. "translator_noop" into the structure.  Ok, maybe a better name
> than that...

NULL would serve that purpose well. The subsequent "if (hook)" branch
would be essentially free because it'd be trivially predicted.

                E.