Bug 263324
| Summary: | [JSC][armv7] Reserve `d14` for scratch use in JITs | ||
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| Product: | WebKit | Reporter: | Joseph Griego <joseph.j.griego> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Joseph Griego
We really desperately need an extra scratch FP register for ARMv7 BBQ--steal `d14` for this purpose, in exactly the same way as `d15` is reserved for the macro assembler--though this register is callee-save in the platform ABI, it's saved and restored at VM entry/exit, so we can hijack it.
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| Add attachment proposed patch, testcase, etc. |
Joseph Griego
Pull request: https://github.com/WebKit/WebKit/pull/19234
EWS
Committed 269762@main (1ff6d45f35c1): <https://commits.webkit.org/269762@main>
Reviewed commits have been landed. Closing PR #19234 and removing active labels.
Radar WebKit Bug Importer
<rdar://problem/117475969>