Closed
Bug 1636918
Opened 4 years ago
Closed 4 years ago
Add folding for more guard instructions
Categories
(Core :: JavaScript Engine: JIT, enhancement, P3)
Core
JavaScript Engine: JIT
Tracking
()
RESOLVED
FIXED
mozilla78
| Tracking | Status | |
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| firefox78 | --- | fixed |
People
(Reporter: evilpie, Assigned: evilpie)
References
(Blocks 1 open bug)
Details
Attachments
(3 files)
Some newly added guard instructions have a MIRType::None result type. That makes is impossible to use foldsTo. So instead pass through the input values. This additionally gives us some correctness/safety benefits, because that makes it harder to wrongly reorder the guard instructions.
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Assignee | |
Updated•4 years ago
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Summary: Add folding for more guard instructions. → Add folding for more guard instructions
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Updated•4 years ago
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Severity: -- → N/A
Priority: -- → P3
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Assignee | |
Comment 1•4 years ago
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Assignee | |
Comment 2•4 years ago
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Depends on D74704
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Assignee | |
Comment 3•4 years ago
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Depends on D74705
Pushed by evilpies@gmail.com: https://hg.mozilla.org/integration/autoland/rev/acd69c719c1f Folding for MGuardSpecificAtom. r=jandem https://hg.mozilla.org/integration/autoland/rev/de44f702be4f Folding for MGuardValue. r=jandem https://hg.mozilla.org/integration/autoland/rev/90fc07d2d162 Folding for MGuardNullOrUndefined. r=jandem
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Comment 5•4 years ago
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| bugherder | ||
https://hg.mozilla.org/mozilla-central/rev/acd69c719c1f
https://hg.mozilla.org/mozilla-central/rev/de44f702be4f
https://hg.mozilla.org/mozilla-central/rev/90fc07d2d162
Status: NEW → RESOLVED
Closed: 4 years ago
status-firefox78:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla78
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Description
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