copyArray# bug

Simon Marlow marlowsd at
Tue Oct 9 17:00:57 CEST 2012

On 09/10/2012 15:58, Johan Tibell wrote:
> On Tue, Oct 9, 2012 at 1:26 AM, Roman Leshchinskiy <rl at> wrote:
>> Johan Tibell wrote:
>>> Hi,
>>> I did quite a bit of work to make sure copyArray# and friends get
>>> unrolled if the number of elements to copy is a constant. Does this
>>> still work with the extra branch?
>> I would expect it to but I don't know. Does the testsuite check for this?
> Simon, the assembly testing support I added would be very useful now.
> It would tell us if this change preserved unrolling or not.

Yes yes, I need to get to that :-)


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