On 4/10/12, Richard Guenther <richard.guent...@gmail.com> wrote: > On Apr 9, 2012 Lawrence Crowl <cr...@google.com> wrote: > > On 4/9/12, Jakub Jelinek <ja...@redhat.com> wrote: > > > On Mon, Apr 09, 2012 at 10:55:46AM -0700, Lawrence Crowl wrote: > > > > A build conversion to C++ is a precondition to any source > > > > change using C++, though the two could be bundled into > > > > one patch. In any event, I agree that the conversion > > > > needs to provide value. Vectors and hash tables are a good > > > > early target. > > > > > > Hash tables? Ugh, what is wrong with the hash tables we have > > > right now in GCC? > > > > Lots of boiler plate involving casting to void*. Some of that > > boiler plate makes the optimizer less effective. > > Optimizers ignore pointer types, so that assertion cannot be true.
The standard says they need not ignore them. I was thinking more about iterating over the contents. What in the current code is an indirect function call inside of a loop becomes mostly be inline functions in a C++ iterator style. The loop is now fully graspable by the optimizer. -- Lawrence Crowl
