x86-64-vN directories vs haswell/xeon_phi

[Florian Weimer]

* H. J. Lu:

> With the new x86-64-vN directories, shouldn't the old haswell/xeon_phi
> directory support be removed?  Otherwise, ld.so searches the wrong
> directories.

I think we should deprecate the legacy hwcaps subdirectories.

> BTW, I don't see any testcases for x86-64-vN directories.  We need them to
> check that the ld.so picks the correct shared library.

There are, see tst-glibc-hwcaps-*.  Some of the tests are
architecture-specific.

Thanks,
Florian
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