re PR tree-optimization/46728 (GCC does not generate fmadd for pow (x, 0.75)+y on...

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

2011-06-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/46728
	* builtins.c (powi_table): Remove.
	(powi_lookup_cost): Remove.
	(powi_cost): Remove.
	(expand_powi_1): Remove.
	(expand_powi): Remove.
	(expand_builtin_pow_root): Remove.
	(expand_builtin_pow): Remove.
	(expand_builtin_powi): Eliminate handling of constant exponent.
	(expand_builtin): Use expand_builtin_mathfn_2 for BUILT_IN_POW.

From-SVN: r174701