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 t
Working on a problem where var-tracking started to spend more time
after LRA is switched on, I found that LRA creates significant #
clobbers for x86 code (I saw 20% of all insns). Clobbers are created for
correct live range analysis in LRA in cases when matching pseudos of
*different modes* s
