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Re: Simplify floating point conversions II

Jan Hubicka <jh@suse.cz> writes:

| > On Wed, Nov 06, 2002 at 06:54:41PM +0100, Jan Hubicka wrote:
| > > +      For fast math it would be safe probably to convert (float)sqrt(x)
| > > +      into sqrt((float)x), but in strict mode the argument can overflow.  */
| > 
| > I don't believe this to be true.
| 
| What you don't believe?

Likew RTH, I, skeptical that your assertion is right.

| That in ffast-math we can do the transformation?

Do we really need to do that transformation?  That is is there any
real evidence that it brings any real benefit?
I would be reluctant to include it even in -funsafe-math.

-- Gaby
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