Git cherry-pick of commit 25bfbb9e

Fix incorrect use of cmpldi in 32-bit PPC code.

The 32-bit PowerPC POWER6 memcpy uses the cmpldi insn when it should use a cmplwi.

2009-04-22  Ryan S. Arnold  <rsa@us.ibm.com>

	[BZ #10107]
	* sysdeps/powerpc/powerpc32/power6/memcpy.S (memcpy): Replace cmpldi
	with cmplwi.
	* sysdeps/powerpc/powerpc32/power6/memset.S (memset): Likewise.