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Re: pgcc-1.0.1 with and without haifa
On Fri, Jan 09, 1998 at 01:35:03PM -0500, Paul Koning wrote:
> ....
> Ronald> * Replacing FDIV with FMUL where possible.
>
> I think that is a win on just about every machine architecture ever
> created, for integer as well as float. It may make sense as a general
> optimization rule.
gcc already does this when it can be done with the correct precision..
if you wwant it to be done for more cases (incurring a precision loss),
you should specifiy -ffast-math
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