[PATCH]: Add some more builtins opts for sqrt/cbrt

[Ulrich Weigand]

Kaveh Ghazi wrote:

>        * builtins.c (fold_builtin): Add new builtin optimizations for
>        sqrt and/or cbrt.

>+                 dconstroot.exp--;

This causes bootstrap failure due to:
../../gcc-head/gcc/builtins.c: In function `fold_builtin':
../../gcc-head/gcc/builtins.c:6707: error: structure has no member named `exp'

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  weigand@informatik.uni-erlangen.de