Optimize some atomic counters

Define the static QAtomic at file scope to avoid GCC's pessimisation with
function-static QAtomic (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79561),
and make sure the initial value is 0, so it ends up in BSS, not TEXT.

In QRhi..., don't create a static instance of the wrapper class, use a file-
static atomic, too. This turns the class into a glorified namespace.

Change-Id: I707f628e2b434330028077223071716d5704ba32
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

0 files changed, 0 insertions, 0 deletions