[PATCH] PPC optimize strncmp for PPC32/64

[Steve Munroe]

Currently PPC32/64 use the generic/strncmp.c implementation. This shows 
up in a recent benchmark as 25% of the total execution. The attached asm 
implementations give a 15-18% improvement over the generic code.

2003-10-22  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/powerpc32/strncmp.S: New file.
	* sysdeps/powerpc/powerpc64/strncmp.S: New file.
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