On 10/03/11 19:23, Richard Sandiford wrote:
> Bernd Schmidt <bernds_...@t-online.de> writes:
>>> Reason for asking is that (AIUI) SMS used to use stronger memory
>>> disambiguation, but had to pull back to something more conservative
>>> for similar reasons.
>>
>> Pointers? All I could find is a thread where rth seems to be of the same
>> opinion as me:
>>
>> http://gcc.gnu.org/ml/gcc/2004-09/msg01648.html
>
> I was thinking of:
>
> http://gcc.gnu.org/ml/gcc-patches/2010-08/msg00294.html
What I see in this thread is suggestions that people use
{true,anti,output}_dependence, which are exactly the ones used by
sched-deps. We know that using these is (or rather, must be) safe
because RTL loop unrolling followed by scheduling works. So, anything I
am missing here?
Bernd
