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)

2011-05-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/46728
	* gcc.target/powerpc/pr46728-1.c: New.
	* gcc.target/powerpc/pr46728-2.c: New.
	* gcc.target/powerpc/pr46728-3.c: New.
	* gcc.target/powerpc/pr46728-4.c: New.
	* gcc.target/powerpc/pr46728-5.c: New.
	* gcc.dg/pr46728-6.c: New.
	* gcc.target/powerpc/pr46728-7.c: New.
	* gcc.target/powerpc/pr46728-8.c: New.
	* gcc.dg/pr46728-9.c: New.
	* gcc.target/powerpc/pr46728-10.c: New.
	* gcc.target/powerpc/pr46728-11.c: New.
	* gcc.dg/pr46728-12.c: New.
	* gcc.target/powerpc/pr46728-13.c: New.
	* gcc.target/powerpc/pr46728-14.c: New.
	* gcc.target/powerpc/pr46728-15.c: New.
	* gcc.target/powerpc/pr46728-16.c: New.

From-SVN: r174358