As it turns out branch hints grew as kind of a misconception. In
addition their interpretation by GNU assembler is affected by
assembler flags and can end up with opposite meaning on different
processors. As we have to loose quite a lot on misinterprerations,
especially on newer processors, we just omit them altogether.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 20b88bb160865b0c2998056fe841b1cbacd6d4c7)
and improve performance by 10% on POWER[78].
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
(cherry picked from commit 5c3598307ebbf5a88d1c39fbb2629536e443a5dd)
