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Re: Are x86 builtin load functions "const"?
Load builtins can't be const since they may return different values on
the same pointer value.
H.J.
On Mon, Apr 28, 2008 at 1:19 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> I am combining most x86 SIMD builtins into bdesc_sse_args.
> I only define store builtins with def_builtin. The rest will be
> defined with def_builtin_const., including load builtins. I want
> to make sure that it is OK to do so.
>
> Thanks.
>
> H.J.
>
>
> On Mon, Apr 28, 2008 at 12:50 PM, Andrew Pinski <pinskia@gmail.com> wrote:
> > On Mon, Apr 28, 2008 at 12:47 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> > > I noticed that x86 builtin load functions aren't defined
> > > with def_builtin_const. Is this an oversight or intentional?
> >
> > I don't see why they can't be defined as const, the only time I can
> > think of is when you have -fnon-call-exceptions turned on as they can
> > trap.
> > Why do you think this is wrong?
> >
> > Thanks,
> > Andrew Pinski
> >
>