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Re: -mtls-dialect=gnu2
- From: Ian Lance Taylor <iant at google dot com>
- To: Sverd Johnsen <sverd dot johnsen at googlemail dot com>
- Cc: "gcc-help at gcc dot gnu dot org" <gcc-help at gcc dot gnu dot org>
- Date: Thu, 7 May 2015 08:15:08 -0700
- Subject: Re: -mtls-dialect=gnu2
- Authentication-results: sourceware.org; auth=none
- References: <CAGmahrSWZ=NnB8QgoXU6zdYn4_MTXjVCMLRxrnRFrbD3kA_nJg at mail dot gmail dot com>
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