Closed
Bug 1391639
Opened 7 years ago
Closed 7 years ago
JSOP_IN often not optimized on Speedometer's Elm benchmark
Categories
(Core :: JavaScript Engine: JIT, enhancement, P3)
Core
JavaScript Engine: JIT
Tracking
()
RESOLVED
DUPLICATE
of bug 1357759
People
(Reporter: jandem, Assigned: tcampbell)
References
(Blocks 1 open bug)
Details
We make a ton of calls to IonInIC::update and OperatorIn on the Elm benchmark. I didn't investigate why, but I'm pretty sure we need a megamorphic stub for this (we have one for JSOP_HASOWN but not JSOP_IN).
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Reporter | |
Comment 1•7 years ago
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(Still hard to believe we didn't even have an Ion IC for this until bug 1337773, Firefox 55 :)
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Assignee | |
Updated•7 years ago
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Priority: -- → P3
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Assignee | |
Updated•7 years ago
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Assignee: nobody → tcampbell
Status: NEW → ASSIGNED
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Assignee | |
Comment 2•7 years ago
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Looks like it was actually missing proxy support. Patches on Bug 1357759 seem to fix all remaining failed ICs in firefox startup + speedometer except for things with Resolve hooks (XPCComponents_Interfaces, XPCWrappedNative_NoHelper, and ArgumentsObjects).
Status: ASSIGNED → RESOLVED
Closed: 7 years ago
Resolution: --- → DUPLICATE
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Description
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