Re: RFC: Add target_isa_flags

["Andrew Pinski" <pinskia at gmail dot com>]

On 4/13/07, H. J. Lu <hjl@lucon.org> wrote:
> On Fri, Apr 13, 2007 at 12:04:04PM -0700, Andrew Pinski wrote:
> > On 4/13/07, H. J. Lu <hjl@lucon.org> wrote:
> >
> > You don't need to do all this, You can just use variable with MASK
> > which was added by JSM when PPC64-linux-gnu's target bits overflowed.
>
> For i386, we are adding new target mask bits for new instruction sets.
> The new bits are used togther with existing ISA bits to selectively
> enable builtins. I don't know how to make the new variable to work
> when a new variable will have a set of bits overlapping with the exist
> ones. For example, SSE2 has

I mean you can move over all the ISA flags to their own mask variable
without changing the common part of the compilers as you can use MASK
and variable together in the .opt files.

You don't need to have an extra option called ISA for these variables.

Thanks,
Andrew Pinski