Re: [PATCH] do not lower a/b to a*(1/b)

[Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>]

> We still don't do it for straight line code on the tree level.
> For an example:
> double f(double a, double b, double c)
> {
>   return a/c + b/c;
> }

I know, but the biggest benefit is to do it in loops; a function such as 
f will hopefully be inlined (and if in a loop, we'll optimize it).  
extract_muldiv could easily be improved to handle this; right now, I 
believe that the code in expr.c does more harm than good.

Paolo