Bug 165469
| Summary: | x86 popcnt: try out "fast popcnt" | ||
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| Product: | WebKit | Reporter: | JF Bastien <jfbastien> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | fpizlo, ggaren, jfbastien, keith_miller, mark.lam, msaboff, saam |
| Priority: | P2 | ||
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
JF Bastien
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.
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