------- Comment #17 from ubizjak at gmail dot com 2007-06-10 16:49 ------- (In reply to comment #0)
> /* Mathematically equivalent to 1/sqrt(b*(1/a)) */ > return sqrtf(a/b); Whoa, this one is a little gem, but ATM in the opposite direction. At least for -ffast-math we could optimize (a / sqrt (b/c)) into a * sqrt (c/b), thus loosing one division. I'm sure that richi knows by his heart, how to write this kind of folding ;) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31723