Open Bug 2032546 Opened 4 months ago Updated 4 months ago

Implement switch

Categories

(Core :: JavaScript: WebAssembly, task, P3)

Product:
Core
Component:
JavaScript: WebAssembly
Type:
task

Tracking

()

People

(Reporter: rhunt, Unassigned)

References

(Blocks 1 open bug)

Details

A switch is an optimized suspend and resume pair. The resume must have a switch handler which is searched for by the switch effect. Everything up until the matching handler is suspended into a new continuation object. Then the continuation we're switching to is resumed (starting at the matched handler) and passed the suspended continuation as a parameter.

This is supposed to be faster than just a normal suspend/resume pair. I'm not sure the best way to implement it. We might need to fuse the masm routines for EmitSuspend and EmitResume together.

Blocks: 2036143
No longer blocks: 2036143
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