https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99905
Zdenek Sojka <zsojka at seznam dot cz> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|wrong code with |[8/9/10/11 Regression]
|-mgeneral-regs-only |wrong code with -mno-mmx
| |-mno-sse
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> ---
(In reply to Zdenek Sojka from comment #2)
> (In reply to Martin Liška from comment #1)
> > > Probably present since -mgeneral-regs-only introduction.
> >
> > Confirmed that, it's since r7-928-gce3a16ff1f59e6db.
>
> Thank you for the bisection.
> If -mgeneral-regs-only is not used, the flag can be replaced by -mno-mmx
> -mno-sse:
>
> $ x86_64-pc-linux-gnu-gcc -Os -mno-mmx -mno-sse testcase.c
> $ ./a.out
> Aborted
... which seems a regression from gcc-6.5.0
