This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [committed] Clear MIPS IV Flush to Zero bit on IRIX
- From: Richard Sandiford <rsandifo at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, David dot Billinghurst at riotinto dot com
- Date: Tue, 25 Jan 2005 08:56:22 +0000
- Subject: Re: [committed] Clear MIPS IV Flush to Zero bit on IRIX
- References: <87r7kasdot.fsf@redhat.com> <20050124233646.GA29717@redhat.com>
Richard Henderson <rth@redhat.com> writes:
> On Mon, Jan 24, 2005 at 09:46:22PM +0000, Richard Sandiford wrote:
>> I also wondered about adding a new command-line option to enable or
>> disable the feature, but I didn't want Yet Another Target Switch ..
>
> -ffast-math?
I did wonder about that (and should have mentioned it), but I didn't
like the idea of -ffast-math changing the way something was linked.
However...
> That's what (at least) alpha and ia64 use in order
> to include an object file that turns on flush-to-zero mode.
...I hadn't realised there was already a precedent for this, so thanks
for the heads-up. I'll give it a try, probably replacing !shared with
!ffast-math.
Richard