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
freakouts?
Ben.
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