Question on selecting asm-optimised sources (or not)

[Steve Bennett]

On 20/09/2012, at 7:13 PM, Bernhard Reutner-Fischer wrote:

> On 20 September 2012 04:03:27 Steve Bennett <steveb at workware.net.au> wrote:
>> Hi All,
>> 
>> It turns out that the asm-optimised implementations of memcpy/memmove
>> for microblaze in libc/string/microblaze/memcpy.S are big-endian only.
>> 
>> When building little-endian I would like to select the generic C
>> implementation instead.
>> 
>> Anybody familiar enough with the uClibc build system to tell me how
>> I can select the correct implementation?
> 
> Ideally implement optimized LE versions. Otherwise make the optimized version depend on !(ARCH_MICROBLAZE && CONFIG_LITTLEENDIAN).

Yes, that would be ideal. My microblaze assembler isn't up to it, though :-(

Where do I add the check?
All the work is done in libc/string/Makefile.in to select the generic version
or the arch-specific version. Surely we don't want anything arch-specific in there.
So where?

Cheers,
Steve
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