It does kinda, according to <a href="https:&#x2F;&#x2F;hacks.mozilla.org&#x2F;2015&#x2F;03&#x2F;asm-speedups-everywhere&#x2F;" rel="nofollow">https:&#x2F;&#x2F;hacks.mozilla.org&#x2F;2015&#x2F;03&#x2F;asm-speedups-everywhere&#x2F;</a>