On Sun, Oct 28, 2012 at 9:06 PM, Vladimir Makarov wrote: > Unfortunately, it does not solve the problem I mentioned. Now, LRA > generates approximately the same # of insns and debug_insn. Moreover, two > functions (canonicalize_values_star and set_slot_part) in var-tracking > spending most of time have approximately the same coverage, in other words > numbers of execution for each line are the same (differences < 1%). Still > var-tracking after LRA spent on 20% more time than after reload. I have no > idea what to investigate more but I'll continue my work on the problem next > week.
Well, it may be more fruitful to see why var-tracking is so slow. The problem existed before LRA was merged, it's just triggered more often after the LRA merge. But the real problem is var-tracking. Ciao! Steven