Reporting bugs: there is nothing to gain in frustrating reporters
Vincent Lefevre
vincent+gcc@vinc17.org
Sun Jun 19 08:55:00 GMT 2005
On 2005-06-18 16:45:06 -0400, Robert Dewar wrote:
> Mattias Karlsson wrote:
>
> >Since the "gcc-is-buggy" solution of changing x87 rounding modes will:
> >1) Be a lot of work.
> >2) Cause a lot of regressions.
>
> To this you can add
>
> 3) generate less efficient code
Not by changing the rounding precision. Anyway this is not the point
here (i.e. to consider where the bug comes from).
> 4) cause some algorithms that work now to fail
Only non-portable ones (those designed for extended precision only).
And portable algorithms that didn't work will work after the fix.
--
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / SPACES project at LORIA
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