[Bug rtl-optimization/55092] [4.8 Regression] LRA doesn't scale
vmakarov at redhat dot com
gcc-bugzilla@gcc.gnu.org
Fri Oct 26 22:58:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55092
--- Comment #4 from Vladimir Makarov <vmakarov at redhat dot com> 2012-10-26 22:57:38 UTC ---
(In reply to comment #2)
> LRA reuses stack memory much better than reload (in all modes but especially
> in -O0). May be that is the reason of the var-tracking problem.
I forgot to say that LRA understands -fno-ira-share-spill-slots. In this case,
each pseudo gets own stack slot.
I thing it is worth to try it.
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