On Thu, Jul 14, 2011 at 4:07 PM, Richard Henderson <r...@redhat.com> wrote: > This kinda-sorta corresponds to Bernd's 007-dw2cfi patch. Certainly > the same concepts of splitting the instruction stream into extended > basic blocks is the same. This patch does a bit better job with the > documentation. Also, I'm a bit more explicit about matching things > up with the similar code from the regular CFG routines. > > What's missing at this point is any attempt to use DW_CFA_remember_state. > I've deferred that for the moment because it's easy to test the state > change code across epilogues, whereas the shrink-wrapping code is not > in this tree and section switching is difficult to force.
This caused: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49994 -- H.J.