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RustPython / RustPython Public

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Bytecode parity - CFG reorders and LOAD_FAST_BORROW chain#7870

Merged

youknowone merged 6 commits into

RustPython:mainRustPython/RustPython:mainfrom

youknowone:bytecode-parityyouknowone/RustPython:bytecode-parityCopy head branch name to clipboard

May 16, 2026

Conversation Commits6 (6)Checks Files changed

Merged

Bytecode parity - CFG reorders and LOAD_FAST_BORROW chain#7870
youknowone merged 6 commits into
RustPython:mainfrom
youknowone:bytecode-parity

Commits

Commits on May 16, 2026

Align LOAD_FAST_BORROW analysis with CPython chain shape
youknowone
committed
Interleave const fold passes per-block to match CPython
youknowone
committed
Inline small fast-return blocks only through unconditional jumps
youknowone
committed
Allow scope-exit/jump-back reorder within a shared except handler
youknowone
committed
Skip jump-over-cleanup reorder when target restarts an exception scope
youknowone
committed
fix if block_idx == BlockIdx::NULL
youknowone
committed

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