On Sun, Sep 2, 2012 at 9:35 PM, Michael Matz wrote:
> Hi,
>
> as the bug report tells us one speed problem is loop header copying, in
> particular the update_ssa call that is done for each and every copied loop
> header but touches all blocks in a function.
>
> Now, one idea was to use an optimize
Hi,
as the bug report tells us one speed problem is loop header copying, in
particular the update_ssa call that is done for each and every copied loop
header but touches all blocks in a function.
Now, one idea was to use an optimized update_ssa that works only on the
relevant subset of blocks
