On Mon, Jun 08, 2009 at 02:03:53PM -0700, Alexandre Oliva wrote: > On Jun 8, 2009, Diego Novillo <dnovi...@google.com> wrote: > > > - Performance differences over SPEC2006 and the other benchmarks > > we keep track of. > > This one is trivial: none whatsoever. The generated code is the same, > and it *must* be the same. Debug information must never change the > generated code, and VTA is all about debug information. There's a lot > of infrastructure to ensure that code remains the unchanged, and > -fcompare-debug testing backs this up. It doesn't make much sense to > run the same code twice to verify that it performs the same, does it?
I haven't kept careful track, but at one point you were talking about inhibiting some optimizations because they made it harder to keep the debug information precise. Is this no longer an issue? Do you require that any optimizations that are now in the trunk be disabled?
