[Bug tree-optimization/46728] GCC does not generate fmadd for pow (x, 0.75)+y on powerpc

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46728

--- Comment #5 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2011-05-24 
18:06:04 UTC ---
Above is first of a series of patches.  It handles converting __builtin_powi to
a sequence of multiplies in the cse_sincos gimple pass.  More to come.