[PATCH] Call math_opt_barrier inside if

[Joseph Myers]

On Thu, 14 Jan 2016, H.J. Lu wrote:

> > I disagree with that analysis.  The question isn't whether there's a call
> > to a particular internal interface.  The question is whether there are
> > conditionals on arithmetic, such that the arithmetic is exact in the
> > conditional case but may be inexact if moved before the conditional.  I
> > think at least ldbl-96/s_fmal.c, ldbl-96/s_fma.c and ldbl-128/s_fmal.c
> > have the same issue.
> >
> 
> Here is the updated patch.  OK for trunk?

OK.

-- 
Joseph S. Myers
joseph@codesourcery.com