Question on selecting asm-optimised sources (or not)

[Bernhard Reutner-Fischer]

On 20 September 2012 11:19:48 Steve Bennett <steveb at workware.net.au> wrote:
>
> 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?

In config.in, either the generic one or the arch specific one.


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