On Sun, 22 Aug 2021, 22:27 Stefan Kanthak, <stefan.kant...@nexgo.de> wrote:
> Gabriel Ravier <gabrav...@gmail.com> wrote: > > > On 8/21/21 10:19 PM, Stefan Kanthak wrote: > >> Jakub Jelinek <ja...@redhat.com> wrote: > > [...] > > >>> GCC doesn't do value range propagation of floating point values, not > even > >>> the special ones like NaNs, infinities, +/- zeros etc., and without > that the > >>> earlier ifs aren't taken into account for the earlier code. > >> Ouch, to bad! That was but the very least expectation I had. > >> And indeed, removing the 3 other if-clauses doesn't change how the > >> final if-clause gets translated. > > [...] > > >>> You should file missed optimizations into gcc bugzilla where they can > be > >>> seen any time. > > You should better implement such missing optimisations your users might > expect from a mature compiler. > > >> I don't have a bugzilla account, and I don't use GCC for anything > serious. > >> > >> Stefan > > > > It's *that* demanding for you to create a Bugzilla account ? > > You (and everybody else) if free to use GCC bugzilla. > Everybody and me is but also free NOT to use GCC bugzilla. > Then your reports are likely to get ignored. It's that simple. If you are really interested in helping to improve GCC you should file bugs the same way everybody else does.
