tree 859da9be446ae21d999274d1972730a69e1de9ee
parent 7b2d9779818f4c0d4c31d3a0292bee1c4b633217
author Paolo Bonzini <pbonzini@redhat.com> 1359756196 +0100
committer Blue Swirl <blauwirbel@gmail.com> 1359836160 +0000

bitops: unify bitops_ffsl with the one in host-utils.h, call it bitops_ctzl

We had two copies of a ffs function for longs with subtly different
semantics and, for the one in bitops.h, a confusing name: the result
was off-by-one compared to the library function ffsl.

Unify the functions into one, and solve the name problem by calling
the 0-based functions "bitops_ctzl" and "bitops_ctol" respectively.

This also fixes the build on platforms with ffsl, including Mac OS X
and Windows.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>