Re: execute/ieee/980619-1.c on x86

[Zack Weinberg <zack at wolery dot cumb dot org>]

On Mon, Feb 07, 2000 at 09:47:08PM -0500, Stephen L Moshier wrote:
> 
> > This test has been XPASSing on x86 for about two months now.
> > Does anyone know if the bug was definitely fixed
> >
> >> I guess it's the following entry:
> >>   * loop.c (load_mems): Don't hoist written floating point mem
> >>   if -ffloat-store.
> 
> That change was for a particular test case recently posted to the
> mailing list, not for the torture test case.  A slightly different
> program might still produce a compiler-generated temp variable for
> comparison and thereby defeat float-store.  I believe the change is
> only one of many fixes that would be needed to implement float-store
> successfully.
> 
> Furthermore the loop case fails if you don't set the float-store
> switch, but contrarywise it would not be hard to construct some other
> test that will fail if you _do_ set the float-store switch.  i386 is
> not ordinarily operated as an IEEE machine, and you ought not lose
> much sleep over IEEE tests that fail on it.  If somebody remembers to
> look at that subdirectory of cases once a year or so, that would be
> plenty often enough.
> 
> I don't think that 980619 torture test case should even be there at
> all, unless you want to establish an official policy that float-store
> should actually work, or if you want to start some even more ambitious
> major project effort for IEEE on i386.

I don't really care about the test itself, I'm just sick of it
spamming my logs with XPASSes.  I'm trying to see if anyone will care
if I delete 980619-1.x.

zw