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gh-144569: Scalar replacement of BINARY_SLICE for list, tuple, and unicode #144590

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gh-144569: Scalar replacement of BINARY_SLICE for list, tuple, and unicode #144590

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6ada5ed
Scalar replacement of BINARY_SLICE for list, tuple, and unicode
cocolato Feb 8, 2026
2b5e88c
add _RECORD_3OS_TYPE
cocolato Feb 8, 2026
3faaac9
📜🤖 Added by blurb_it.
blurb-it[bot] Feb 8, 2026
6290916
Update Misc/NEWS.d/next/Core_and_Builtins/2026-02-08-13-14-00.gh-issu…
Fidget-Spinner Feb 8, 2026
3dd3f3a
add _UNPACK_INDICES
cocolato Feb 8, 2026
b47e3fc
move AdjustIndices to _UNPACK_INDICES
cocolato Feb 8, 2026
b42e939
Fix some bugs
Fidget-Spinner Feb 8, 2026
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4 changes: 2 additions & 2 deletions Include/internal/pycore_opcode_metadata.h
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1 change: 1 addition & 0 deletions Include/internal/pycore_optimizer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -303,6 +303,7 @@ extern void _Py_uop_sym_set_recorded_type(JitOptContext *ctx, JitOptRef sym, PyT
extern void _Py_uop_sym_set_recorded_gen_func(JitOptContext *ctx, JitOptRef ref, PyFunctionObject *value);
extern PyCodeObject *_Py_uop_sym_get_probable_func_code(JitOptRef sym);
extern PyObject *_Py_uop_sym_get_probable_value(JitOptRef sym);
extern PyTypeObject * _Py_uop_sym_get_probable_type(JitOptRef ref);

extern void _Py_uop_abstractcontext_init(JitOptContext *ctx);
extern void _Py_uop_abstractcontext_fini(JitOptContext *ctx);
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10 changes: 8 additions & 2 deletions Include/internal/pycore_stackref.h
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Original file line number Diff line number Diff line change
Expand Up @@ -427,11 +427,17 @@ PyStackRef_IsTaggedInt(_PyStackRef i)
return (i.bits & Py_TAG_BITS) == Py_INT_TAG;
}

static inline bool
PyStackRef_CanTagInt(intptr_t i)
{
return Py_ARITHMETIC_RIGHT_SHIFT(intptr_t, (intptr_t)(((uintptr_t)i) << Py_TAGGED_SHIFT),
Py_TAGGED_SHIFT) == i;
}

static inline _PyStackRef
PyStackRef_TagInt(intptr_t i)
{
assert(Py_ARITHMETIC_RIGHT_SHIFT(intptr_t, (intptr_t)(((uintptr_t)i) << Py_TAGGED_SHIFT),
Py_TAGGED_SHIFT) == i);
assert(PyStackRef_CanTagInt(i));
return (_PyStackRef){ .bits = ((((uintptr_t)i) << Py_TAGGED_SHIFT) | Py_INT_TAG) };
}

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