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bytecodealliance / regalloc2 Public

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Add limits to allocatable registers#239

Merged

cfallin merged 11 commits intobytecodealliance:mainbytecodealliance/regalloc2:mainfrom

abrown:limit-constraintsabrown/regalloc2:limit-constraintsCopy head branch name to clipboard

Sep 23, 2025

Conversation Commits11 (11)Checks Files changed

Merged

Add limits to allocatable registers#239
cfallin merged 11 commits intobytecodealliance:mainfrom
abrown:limit-constraints

Commits

Commits on Sep 18, 2025

Add `OperandConstraint::Limit`
abrown
committed
Check that are operands are allocated within their `Limit`
abrown
committed
Ensure all fixed registers fit within their `Limit`
abrown
committed
Transform an limit into `Requirement::Limit`
abrown
committed
Merge cached limits on `LiveBundle`s
abrown
committed
Detect when limits prevent allocation
abrown
committed
Disable limits in fastalloc for now
abrown
committed
Constrain iteration of registers with a `Limit`
abrown
committed
Recalculate cached limits
abrown
committed

Commits on Sep 19, 2025

Only cache limits as `u8`
abrown
committed
Prevent over-large `OperandConstraint::Limit`s
abrown
committed

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