https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59393
--- Comment #13 from Aldy Hernandez <aldyh at redhat dot com> --- Do we care though? Does this bug pose a big enough problem on non MIPS16 that we would like addressed? Just curious.... On Sun, Feb 4, 2018 at 10:50 AM, law at redhat dot com <gcc-bugzi...@gcc.gnu.org> wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59393 > > --- Comment #12 from Jeffrey A. Law <law at redhat dot com> --- > One more tidbit here. I noted that we got "reasonably" close to having enough > state in the combiner to attack this in c#7. The problem is there's a REG > object that we really need to be a CONST_INT. > > It turns out that we're failing to substitute the value from a REG_EQUAL note > as combine builds up that hunk of RTL. So if we were to substitute in the > REG_EQUAL, then we'd have a fighting chance to address this in the combiner. > > -- > You are receiving this mail because: > You are on the CC list for the bug.
