Bug 165469 - x86 popcnt: try out "fast popcnt"
Summary: x86 popcnt: try out "fast popcnt"
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-12-06 09:06 PST by JF Bastien
Modified: 2016-12-06 09:06 PST (History)
7 users (show)

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Description JF Bastien 2016-12-06 09:06:43 PST 
Th internet claims we can get faster popcnt on x86:
http://0x80.pl/articles/sse-popcount.html

Keith just added the instruction for wasm, let's try it out this trick sometime.