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RustPython / RustPython Public

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Align codegen passes and opcode metadata with CPython#7987

Merged

youknowone merged 131 commits into

RustPython:mainRustPython/RustPython:mainfrom

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

May 28, 2026

Conversation Commits131 (131)Checks Files changed

Merged

Align codegen passes and opcode metadata with CPython#7987
youknowone merged 131 commits into
RustPython:mainfrom
youknowone:bytecode-parity

Commits

Commits on May 27, 2026

Share marshal ref table between code object and its internals
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committed
Align PYC magic number, FORMAT_VERSION, and header check with CPython 3.14
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committed
Accept CPython-tagged .pyc as read-only bytecode source
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committed
Apply rustfmt to marshal helpers
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Marshal PySlice from format version 4 instead of 5
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committed
Revert "Accept CPython-tagged .pyc as read-only bytecode source"
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Set marshal FORMAT_VERSION to 5 to match CPython 3.14.5
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Thread marshal recursion depth through nested code objects
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align compiler to CPython
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Align codegen with CPython compile.c
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Align codegen IR with CPython CFG structures
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Match CPython CFG annotation offset arithmetic
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Propagate CPython CFG label translation errors
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Align CPython exception target labeling flow
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Propagate CPython CFG traversal stack allocation errors
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Match CPython optimize_load_fast allocation flow
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Propagate CPython basicblock allocation errors
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committed
Propagate CPython redundant NOP cleanup errors
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committed
Propagate CPython unused const cleanup errors
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committed
Propagate CPython const folding errors
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Propagate CPython swaptimize allocation errors
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Match CPython list-to-tuple fold allocation
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Skip const folding on CPython allocation failures
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Skip subscript folding on CPython allocation failures
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Propagate CPython assembler allocation errors
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Propagate CPython localsplus allocation errors
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Propagate CPython localsplus setup allocation errors
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Propagate CPython jump label map allocation errors
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Propagate CPython instruction sequence allocation errors
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Propagate CPython instruction label allocation errors
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Guard CPython codegen block allocation
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Guard CPython label shadow allocation
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Propagate CPython label shadow allocation errors
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Align CPython c-array allocation updates
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Align CPython ref stack growth
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Match CPython CFG builder debug check
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Avoid Rust-only CFG append clone
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Reuse CPython cleared block slots
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Use CPython block append in copy_basicblock
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Match CPython cfg builder creation order
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Clear label map after CPython apply pass
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Match CPython cfg builder allocation check
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Propagate CPython c-array size errors
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committed
Drop Rust-only label uniqueness check
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Drop Rust-only label shadow debug checks
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Propagate CFG block index overflow
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Propagate CFG label oparg overflow
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Model CPython basicblock instruction storage
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Drop Rust-only recorded CFG precheck
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Model CPython instruction sequence storage
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Propagate instruction sequence offset overflow
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Model CPython instruction sequence labels
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Match CPython jump offset arithmetic
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Match CPython exception table arithmetic
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Match CPython label index arithmetic
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Match CPython instruction offset casts
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Match CPython jump offset indexing
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Match CPython oparg locals casts
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Match CPython localsplus offset arithmetic
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Match CPython cell prefix indexing
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Match CPython C array growth arithmetic
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Match CPython label map allocation arithmetic
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Match CPython label map size tracking
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Use CPython label map size in sequence passes
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Assert CPython label map clearing invariants
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Match CPython label oparg assignment
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Match CPython compiler direct arithmetic
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Match CPython load fast local casts
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Match CPython load fast depth assert
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Match CPython resume depth flagging
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Match CPython stack depth arithmetic
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Drop Rust-only stack overflow error
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Return CPython stack depth directly
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Match CPython C array growth errors
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Match CPython instruction insert asserts
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Match CPython unreachable pseudo jump
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Match CPython CFG size guard
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Match CPython superinstruction assert
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Match CPython redundant jump assert
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Match CPython stackdepth errors
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Match CPython jump offset flow
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Match CPython assembler buffer defaults
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Match CPython bytecode emit growth
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Match CPython assembler entry growth
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Match CPython assembler growth overflow check
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Match CPython remove_unreachable structure
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Match CPython static swap flow
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Inline CPython code unit preprocessing
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Match CPython C array growth checks
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Match CPython label map size guard
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Match CPython load-fast flow
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Simplify CPython CFG condition flow
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Align exception fallthrough propagation
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Match CPython pseudo target table
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Match CPython annotations CFG assert
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Match CPython inverted op assert
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Match CPython many-locals guard
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Reject deopt opcodes in CFG stack effects
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committed
Match CPython invalid stack effect error
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Test CPython deopt stack effect guard
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Match CPython load-fast extended-arg assert
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committed
Match CPython instruction allocation asserts
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committed
Match CPython basicblock last-instr asserts
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committed
Match CPython opcode range asserts
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committed
Assert CPython fallthrough line propagation invariant
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committed
Assert CPython CFG target offset sign
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committed
Assert CPython exception fallthrough invariant
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committed
Assert CPython exception stack bounds
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committed
Assert CPython traversal stack allocation
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Match CPython label-map allocation in shadow
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Mirror CPython label-map sentinel fill
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Match CPython CFG builder allocation asserts
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Match CPython exception stack structure
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Match CPython ref stack structure
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Match CPython CFG traversal stack structure
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Mirror CPython CFG traversal stack pointer
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Use CPython fixed exception handler stack
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Mirror CPython ref stack capacity field
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Match CPython swap optimizer scratch stack
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Align static swap helpers with CPython blocks
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Align swaptimize signature with CPython
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Match CPython redundant pair pass result
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Match CPython inline pass result
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Match CPython redundant NOP pass results
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Fix bytecode metadata after upstream rebase
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Match CPython opcode stack metadata
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Add CPython identifiers to cspell dictionary
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Fix CI failures from bytecode-parity work
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Resync generated opcode metadata
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committed
Drop is_block_push has_arg invariant
youknowone
committed
Auto-generate has_eval_break and route AnyInstruction has_arg/has_const via macro
youknowone
committed

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