Version control systems

Ben Lippmeier Ben.Lippmeier at
Mon Aug 18 07:20:54 EDT 2008

On 18/08/2008, at 8:13 PM, Simon Marlow wrote:
>> So would I usually, though I've had to turn down cc flags to get  
>> darcs
>> to build on ia64 before (SHA1.hs generates enormous register  
>> pressure).
> We should really use a C implementation of SHA1, the Haskell version  
> isn't buying us anything beyond being a stress test of the register  
> allocator.

.. and perhaps a test case for too much code unfolding in GHC? Sounds  
like bugs to me. :)

If you turn down GHC flags the pressure also goes away.

Ian: Did this problem result in Intel CC / GCC register allocator  


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