[cfe-commits] [PATCH 3/3] Make fp-contract=fast default for Freescale vendor

[William J. Schmidt]

On Wed, 2012-09-19 at 14:49 -0500, Hal Finkel wrote:
> On Wed, 19 Sep 2012 10:08:43 -0500
> "William J. Schmidt" <wschmidt at linux.vnet.ibm.com> wrote:
> 
> > FWIW, general expectations for PowerPC are that fused multiply-add is
> > available by default.  For example, the default for GCC on
> > powerpc64-unknown-linux-gnu is to generate fmadd at -O1 and above.  I
> > may be missing the point, but I don't see a need for the default to be
> > dependent on the vendor in this case.
> 
> Bill,
> 
> Would it make sense for this behavior to change depending on whether
> the compiler was invoked as 'cc' or 'c99' for POSIX compliance?
> 
> Thanks again,
> Hal

Hi Hal,

I'm not a language lawyer, so probably not the right person to ask.
That said, I can't think of a good reason why that should matter.  I've
never heard of language level being brought up in this context.

Bill

> 
> > 
> > My two cents,
> > Bill
> 
> 
>