Bug 171198
| Summary: | op_spread should profile its operand | ||
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| Product: | WebKit | Reporter: | Saam Barati <saam> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | benjamin, fpizlo, ggaren, gskachkov, jfbastien, keith_miller, mark.lam, msaboff, ticaiolima, ysuzuki |
| Priority: | P2 | ||
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Saam Barati
If we had a good idea of what type of array was being spread, we could emit a CheckStructure in such a way that we could emit more efficient machine code for the spread. We'd also be able to prove it could be spread fast (e.g, not observable iterator protocol).
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