Various memcpy implementations in tree

[Joel Sherrill]

Hi

I was poking around and noticed that we have 4 memcpy
implementations in our tree. Is there opportunity for
clean up?

./c/src/lib/libcpu/lm32/shared/misc/memcpy.c
./c/src/lib/libcpu/nios2/shared/misc/memcpy.c
./c/src/lib/libbsp/powerpc/shared/src/memcpy.c
./c/src/lib/libbsp/arm/shared/startup/bsp-start-memcpy.S

The lm32 and nios2 are SIMPLE code and IMO look to
be candidates for removal.

The PowerPC one looks optimized and I wonder why it
hasn't been merged into newlib. Does this not map to
a multilib?

The ARM one is also simple code but in asm and based on
the name, I assume it is only used in start code. But why
have it

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Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
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