On Fri, Mar 18, 2011 at 19:18, Kenneth Zadeck <zad...@naturalbridge.com> wrote: > yes, but i think that the reason this is a pr is that it seems to be needed > for correctness.
Note that df_get_bb_dirty is defaulting to "return false", not "abort". This is what tricked crossjumping and caused the bug. If I can get hold of my old SPEC2000 copy, I'd like to remove LIVE completely from most -O2 passes (certainly those running after initialization of uninitialized regs!) in 4.7. Paolo
