On 03/22, Stéphane Letz wrote:
>
> > Le 22 mars 2023 à 21:01, Oleg Nesterov <o...@redhat.com> a écrit :
> >
> > Yet I think an option for gUseMemmove makes sense. I didn't try to check, 
> > but
> > my gut feeling tells me gUseMemmove = true might speedup the code ;) Even if
> > not, it can make the generated code look more readable. Nevermind.
>
> Well look at the generated code. I did, looking at LLVM IR, and some of the 
> delay
> lines related loops got simply rewritten using LLVM memmove intrinsic
> (https://llvm.org/docs/LangRef.html#llvm-memmove-intrinsic)

Sorry, can't understand ...

But whatever I missed, please note that I asked for compiler option, of course
gUseMemmove should be "false" by default.

The same for gNeedManualPow (I see that you set gNeedManualPow = false for C/C++
and then reverted this change). It too should be "true" by default.

But, Stéphan, please forget. This is minor.

Oleg.



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