This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: stack variable liveness analysis
On Monday, August 24, 2009, Daniel Berlin <dberlin@dberlin.org> wrote:
>> I guess
>> you are right from the long term maintenance point of view. ?Will
>> convert to use existing DF, IF this patch is deemed useful.
> Sure.
Note that maintenance isn't the only issue. We have found over time
many strange test cases that triggered funny behavior in the various
local solvers - such as quadratic or worse compile time behavior. All
that experience was put into the DF solver. Your local solver would
probably reintroduce some of those bugs...
Ciao!
Steven