Re: MIPS: Get rid of branches to .subsections.

["Maciej W. Rozycki" <macro@linux-mips.org>]

On Wed, 18 Aug 2010, Ralf Baechle wrote:

> By rewriting the loop around all simple LL/SC blocks to C we reduce reduce
> the amount of inline assembler and at the same time allow GCC to often
> fill the branch delay slots with something sensible or whever else clever
> optimization it may have up in its sleeve.

 Are you sure it won't reorder anything there that actually relies on the 
atomic access to have succeeded?  I suggest adding barrier() after the 
loop.

  Maciej