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Bytecode parity #7504

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Merged
youknowone merged 15 commits into from
Mar 25, 2026
Merged

Bytecode parity #7504

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a6aab76
Match CPython LOAD_SPECIAL stack semantics for with/async-with
youknowone Mar 23, 2026
d015f02
Normalize LOAD_FAST_CHECK and JUMP_BACKWARD_NO_INTERRUPT
youknowone Mar 23, 2026
37d1e03
Add EXTENDED_ARG to SKIP_OPS, normalize LOAD_FAST_CHECK and JUMP_BACK…
youknowone Mar 23, 2026
b559a6e
Remove duplicate return-None when block already has return
youknowone Mar 23, 2026
6b200d9
Improve __static_attributes__ collection accuracy
youknowone Mar 23, 2026
122f76a
Use method mode for function-local import attribute calls
youknowone Mar 25, 2026
d1641dd
Optimize constant iterable before GET_ITER to LOAD_CONST tuple
youknowone Mar 25, 2026
5b19b70
Fix cell variable ordering: parameters first, then alphabetical
youknowone Mar 25, 2026
5b32c68
Emit COPY_FREE_VARS before MAKE_CELL matching CPython order
youknowone Mar 25, 2026
96462fa
Fix RESUME AfterYield encoding to match CPython 3.14 (value 5)
youknowone Mar 25, 2026
296eaa1
Address code review feedback from #7481
youknowone Mar 25, 2026
b2eaa71
Fold constant list/set/tuple literals in compiler
youknowone Mar 23, 2026
c7f505d
Use BUILD_MAP 0 + MAP_ADD for large dicts (>= 16 pairs)
youknowone Mar 23, 2026
a23315a
Fix clippy warnings and cargo fmt
youknowone Mar 25, 2026
cab59e7
fix surrogate
youknowone Mar 25, 2026
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Fix RESUME AfterYield encoding to match CPython 3.14 (value 5) 
CPython 3.14 uses RESUME arg=5 for after-yield, not 1.
Also reorder COPY_FREE_VARS before MAKE_CELL and fix cell
variable ordering (parameters first, then alphabetical).
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@youknowone
youknowone committed Mar 25, 2026
commit 96462fa9ce654d83c1e3dd3aeee73e8b264f8fd6
4 changes: 2 additions & 2 deletions crates/compiler-core/src/bytecode/oparg.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -290,7 +290,7 @@ impl From<u32> for ResumeType {
fn from(value: u32) -> Self {
match value {
0 => Self::AtFuncStart,
1 => Self::AfterYield,
5 => Self::AfterYield,
2 => Self::AfterYieldFrom,
3 => Self::AfterAwait,
_ => Self::Other(value),
Expand All @@ -302,7 +302,7 @@ impl From<ResumeType> for u32 {
fn from(typ: ResumeType) -> Self {
match typ {
ResumeType::AtFuncStart => 0,
ResumeType::AfterYield => 1,
ResumeType::AfterYield => 5,
ResumeType::AfterYieldFrom => 2,
ResumeType::AfterAwait => 3,
ResumeType::Other(v) => v,
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