[commit: ghc] master: Document some optimisations, rearrange order to be more logical (#5801) (d8a3063)

[Simon Marlow]

On 27/03/2012 07:50, David Terei wrote:
> On 26 March 2012 08:12, Simon Marlow<marlowsd at gmail.com>  wrote:
>> On 23/03/2012 19:33, David Terei wrote:
>>>
>>> Repository : ssh://darcs.haskell.org//srv/darcs/ghc
>>>
>>> On branch  : master
>>>
>>>
>>> http://hackage.haskell.org/trac/ghc/changeset/d8a30633a60ee9f1e8cf6ffe48bbd672331f9096
>>>
>>>> ---------------------------------------------------------------
>>>
>>>
>>> commit d8a30633a60ee9f1e8cf6ffe48bbd672331f9096
>>> Author: David Terei<davidterei at gmail.com>
>>> Date:   Fri Mar 23 11:30:05 2012 -0700
>>>
>>>      Document some optimisations, rearrange order to be more logical
>>> (#5801)
>>
>>
>> Just wondering: why is -fregs-liveness an option?  Are there cases where you
>> would not want it?
>
> Hmm probably not. It's enabled by default. I like having it as an
> option just for debugging purposes but we could just leave it
> undocumented as a hidden flag like some other such knobs.

I think that would be better, yes.  If it's a documented option, you 
have to test it and keep it working...

Cheers,
	Simon