On Fri, May 06, 2016 at 07:38:31PM -0700, Emanuel Hoogeveen wrote:
> SSE2 is also required for IonMonkey, our optimizing JIT. The baseline
> compiler does work without SSE2, but isn't nearly as fast. So users
> running Firefox on hardware without SSE2 support are already getting
> severely degraded performance.

Heh, more importantly than the lack of SSE2, the very fact that those
are old processors makes them have degraded performance in the first
place. So, in fact, the lack of SSE2 is the least of their problem.

Mike
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