On Mon, Jan 30, 2017 at 12:43 PM, Maxim Kuvyrkov
wrote:
> This patch fixes heuristic in loop array prefetching to use
> "round-to-nearest" instead of "floor", which is what _all_ other similar
> heuristics in the pass are doing.
_all_ is a bit over-exaggregating... In the context we are testin
This patch fixes heuristic in loop array prefetching to use "round-to-nearest"
instead of "floor", which is what _all_ other similar heuristics in the pass
are doing.
This subtle change allows a critical loop in 429.mcf to get prefetches without
making the pass too aggressive, which causes regr