[PATCH][X86] Fix rounding pattern similar to PR73350

[Kirill Yukhin]

Hello Julia, Uroš,
On 16 Jun 09:05, Uros Bizjak wrote:
> On Fri, Jun 16, 2017 at 8:46 AM, Koval, Julia <julia.koval@intel.com> wrote:
> > Hi,
> >
> > This test hangs on avx512er, maybe that's why:
> >> According to POSIX, the behavior of a process is undefined after it ignores a SIGFPE, SIGILL, or SIGSEGV signal that was not generated by kill(2) or raise(3).
> >
> > And volatile make it work even without a patch(r1 and r2 are not combined then).
> >
> > Added other changes.
> 
> The testcase LGTM. I'll leave the final approval to Kirill.
The change and the case are fine to me. I've committed it to main trunk.
> 
> Uros.

=-
Thanks, K