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)

2012-03-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/46728
	* gcc.target/powerpc/pr46728-4.c: Skip for powerpc*-*-darwin*.
	* gcc.target/powerpc/pr46728-5.c: Likewise.
	* gcc.target/powerpc/pr46728-8.c: Likewise.
	* gcc.target/powerpc/pr46728-10.c: Likewise.
	* gcc.target/powerpc/pr46728-11.c: Likewise.
	* gcc.target/powerpc/pr46728-13.c: Likewise.
	* gcc.target/powerpc/pr46728-14.c: Likewise.
	* gcc.target/powerpc/pr46728-15.c: Likewise.

From-SVN: r185260