Displaying 1 result from an estimated 1 matches for "7f61bfaf".
2015 Mar 27
3
[LLVMdev] fix for loop scale limiting in BFI
On Fri, Mar 27, 2015 at 4:09 PM, Xinliang David Li <xinliangli at gmail.com> wrote:
> How about only removing the scaling limit when PGO is on? I don't see the
> need for this change without PGO.
This is what my patch does, and it's getting into issues. With the
scaling limit gone, the frequencies propagated overflow 64bits, so
they need to be scaled down to a 64bit space.