Re: [PATCH] use unlikely() for current_kernel_time() loop

On Thursday 08 June 2006 08:41, Brian F. G. Bidulock wrote:
> Andi,
> 
> On Thu, 08 Jun 2006, Andi Kleen wrote:
> > 
> > Nothing on x86-64 at least - it uses -fno-reorder-blocks by default.
> > 
> 
> Why is that?

Originally because it made assembly too unreadable. Later it was discovered
it produces smaller code too.

-Andi
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Follow-Ups:
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References:
- [PATCH] use unlikely() for current_kernel_time() loop
  - From: Andreas Dilger <[email protected]>
- Re: [PATCH] use unlikely() for current_kernel_time() loop
  - From: Andi Kleen <[email protected]>
- Re: [PATCH] use unlikely() for current_kernel_time() loop
  - From: "Brian F. G. Bidulock" <[email protected]>

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