PATCH: Support more than 2 relaxation passes

[Dave Korn]

On 08 March 2006 20:09, James E Wilson wrote:

> On Wed, 2006-03-08 at 11:38, H. J. Lu wrote:
>> I need to run more than 2 relaxation passes. This patch allows a
>> backend to have more than 2 relaxation passes.
> 
> Why?


  I can't see any line of reasoning that suggests that the iterative process
of relaxation would necessarily converge after no more than two passes, so why
not?  Am I missing something that makes for a proof?


    cheers,
      DaveK
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