> Thanks for the feedback, Joseph.
>
> I've been working on the patch, but I see in gcc/opts.c that there is
> a definite distinction between set_fast_math_flags and
> set_unsafe_math_optimizations_flags. I'm thinking this is more of a
> fast-math thing than an unsafe_math_optimizations thing, so
> -Original Message-
> From: Joseph S. Myers
> On Thu, 6 Mar 2014, Ian Bolton wrote:
>
> > I see in common.opt that fp-contract=fast is the default for GCC.
> >
> > But then it gets disabled in c-family/c-opts.c if you are using ISO C
> > (e.g. with -std=c99).
> >
> > But surely if you ha
On 3/6/2014 1:01 PM, Joseph S. Myers wrote:
On Thu, 6 Mar 2014, Ian Bolton wrote:
Hi there,
I see in common.opt that fp-contract=fast is the default for GCC.
But then it gets disabled in c-family/c-opts.c if you are using ISO C
(e.g. with -std=c99).
But surely if you have also specified -fu
On Thu, 6 Mar 2014, Ian Bolton wrote:
> Hi there,
>
> I see in common.opt that fp-contract=fast is the default for GCC.
>
> But then it gets disabled in c-family/c-opts.c if you are using ISO C
> (e.g. with -std=c99).
>
> But surely if you have also specified -funsafe-math-optimizations then
>
Hi there,
I see in common.opt that fp-contract=fast is the default for GCC.
But then it gets disabled in c-family/c-opts.c if you are using ISO C
(e.g. with -std=c99).
But surely if you have also specified -funsafe-math-optimizations then
it should flip it back onto fast?
I see in gcc/opts.c th
