PATCH: Use __builtin_bswap32/64 for GCC >= 4.2

[Andreas Jaeger]

On 04/06/2012 09:16 PM, Roland McGrath wrote:
 > [...]
> When publishing branches, it's far more useful if you make them ones we
> could merge directly.  So include a proper ChangeLog entry in the branch.
> We don't want the intermediate history to be merged in.  So instead of just
> pushing an incremental commit onto your branch, rebase and replace the
> branch with the new single commit that is ready for merge.  The server's
> hooks prevent you from pushing a rebase directly, but you can do:
> 	git push origin :hjl/bswap # delete the old branch
> 	git push origin hjl/bswap # re-create under the same name

Roland, could you document the above in the glibc wiki, please?

Andreas
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