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2016 Mar 25
2
RFC: atomic operations on SI+
...ring pass. Can this
be done without changing order of the inputs? slc is always the last
but the count is variable
* introducing HSA variants of the instructions with SLC bit set
* setting the bit in DAG combine (is there a way to know if I'm
combining atomic op, or do I need to split the SelectMUBUF functions?)
3.) depending on 2 atomic load/store can be either (preferably) MUBUF
load/store with glc and slc set, or hacked to be either swp_noret
(store) or cmp_swap 0,0 (load).
thanks,
--
Jan Vesely <jan.vesely at rutgers.edu>
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2016 Mar 28
0
RFC: atomic operations on SI+
...be done without changing order of the inputs? slc is always the last
> but the count is variable
> * introducing HSA variants of the instructions with SLC bit set
> * setting the bit in DAG combine (is there a way to know if I'm
> combining atomic op, or do I need to split the SelectMUBUF functions?)
>
> 3.) depending on 2 atomic load/store can be either (preferably) MUBUF
> load/store with glc and slc set, or hacked to be either swp_noret
> (store) or cmp_swap 0,0 (load).
>
Have you seen this patch: http://reviews.llvm.org/D17280
-Tom
> thanks,
> --
>...