[Webkit-unassigned] [Bug 48060] Speed up op_jeq_null and op_jneq_null in JIT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48060





--- Comment #17 from Gabor Loki <loki at webkit.org>  2010-10-27 12:54:48 PST ---
> Do you have any performance numbers?

Same as above (on ARM):
Artificial test for j[n]?eq_null: 1.25x faster
SunSpider: 1.01x faster
  Nonrelated tests are faster, for example:
    nsieve-bits: 1.027x faster
    cordic: 1.053x faster
  No other significant change. There is no significant slowdown.

I am pretty sure that the benchmarks do not hit these cases very often.

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