-mtls-dialect=gnu2

[Ian Lance Taylor]

On Thu, May 7, 2015 at 5:13 AM, Sverd Johnsen
<sverd.johnsen@googlemail.com> wrote:
> The gcc docs say -mtls-dialect=gnu2 is more efficient than
> -mtls-dialect=gnu. Is there more information about this somewhere and
> why isnt it enabled by default?

Here is the basic doc:
http://people.redhat.com/aoliva/writeups/TLS/RFC-TLSDESC-x86.txt .

I do not know why it has never been enabled by default.  As far as I
know, it works.  Alexandre may know.

Ian