Open Bug 1784356 Opened 3 years ago

[exploration] Investigate marking validation failures MOZ_UNLIKELY in OpIter

Categories

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

Product:
Core
Component:
JavaScript: WebAssembly
Type:
enhancement

Tracking

()

People

(Reporter: rhunt, Unassigned)

Details

There are many validation errors in OpIter of the form: if (condition) { return fail(""): }.

We should investigate sometime if marking them all as cold using MOZ_UNLIKELY could get us some gains on our large wasm files. This is definitely a micro-optimization.

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