https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34777
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |egallager at gcc dot gnu.org
--- Comment #13 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #12)
> (In reply to Oleg Endo from comment #11)
> >
> > seems to fix the test case of PR 34807. However, I've not tested it any
> > further and probably the fix is incomplete and works only for mem loads and
> > not stores.
> > In fact it can be broken again quite easily by inserting another insn that
> > requires R0 (tst #imm,r0 in this case):
> >
> > int glob, glob1;
> >
> > static int _dl_mmap (int xx)
> > {
> > register int __sc0 __asm__ ("r0") = glob1;
> > register int __sc1 __asm__ ("r1") = glob;
> >
> > if (xx & 3)
> > __asm__ ("trapa %1 " : "=z" (__sc0) : "i" (0x10), "0" (__sc0), "r"
> > (__sc1));
> >
> > return (__sc0);
> > }
> >
> > void _start(int xx)
> > {
> > static int buf;
> > buf = _dl_mmap(xx);
> > }
>
> I've tried that test case with the sh-lra branch and the problems seem to be
> gone.
So is this FIXED yet then?
