On Tue, Mar 14, 2017 at 2:37 AM, James Greenhalgh <james.greenha...@arm.com> wrote: > I'd like to hear comments from the Exynos-M1, Falkor and > xgene-1 subtarget contributors, particularly as these targets use > generic_branch_costs for their subtarget-sepcific tuning. It may be that > your patch needs to preserve the 2,2 setting for such cores even if the > generic target does move to 1,3.
I was at Linaro Connect last week of course. I took a look at this issue this week. I don't see any measurable performance change on SPEC CPU2006 for falkor, so the change looks OK to me. In general, I'm not too concerned about changes like this, as I'm watching the FSF GCC tree, and will make appropriate changes to the falkor tuning structure as necessary to maintain good performance. Jim
