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gh-148874: add flag to CALL to skip periodic check in with #149019

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gh-148874: add flag to CALL to skip periodic check in with #149019

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34535ba
gh-148874: add flag to `CALL` to skip periodic check in `with`
NekoAsakura Apr 24, 2026
cceb8db
fixup
NekoAsakura Apr 26, 2026
6a07b77
Merge branch 'main' into gh-148874/with-signal-exit-skip
NekoAsakura Apr 26, 2026
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5 changes: 4 additions & 1 deletion Doc/library/dis.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ the following command can be used to display the disassembly of
<BLANKLINE>
3 LOAD_GLOBAL 1 (len + NULL)
LOAD_FAST_BORROW 0 (alist)
CALL 1
CALL 2 (1)
RETURN_VALUE

(The "2" is a line number).
Expand Down Expand Up @@ -1601,6 +1601,9 @@ iterations of the loop.
.. versionchanged:: 3.13
Calls with keyword arguments are now handled by :opcode:`CALL_KW`.

.. versionchanged:: next
``argc`` is now the oparg shifted right by one.


.. opcode:: CALL_KW (argc)

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3 changes: 2 additions & 1 deletion Include/internal/pycore_magic_number.h
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Expand Up @@ -296,6 +296,7 @@ Known values:
Python 3.15a8 3663 (Merge GET_ITER and GET_YIELD_FROM_ITER. Modify SEND to make it a bit more like FOR_ITER)
Python 3.15a8 3664 (Fix __qualname__ for __annotate__ functions)
Python 3.15a8 3665 (Add FOR_ITER_VIRTUAL and GET_ITER specializations)
Python 3.15a9 3666 (Pack CALL oparg as (argcount<<1) | skip_periodic; gh-148874)
Python 3.16 will start with 3700
Expand All @@ -309,7 +310,7 @@ PC/launcher.c must also be updated.
*/

#define PYC_MAGIC_NUMBER 3665
#define PYC_MAGIC_NUMBER 3666
/* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
(little-endian) and then appending b'\r\n'. */
#define PYC_MAGIC_NUMBER_TOKEN \
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54 changes: 27 additions & 27 deletions Include/internal/pycore_opcode_metadata.h
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4 changes: 4 additions & 0 deletions Include/internal/pycore_opcode_utils.h
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Expand Up @@ -87,6 +87,10 @@ extern "C" {
#define RESUME_OPARG_LOCATION_MASK 0x7
#define RESUME_OPARG_DEPTH1_MASK 0x8

#define CALL_OPARG_SKIP_PENDING_MASK 0x1
#define CALL_ARGCOUNT(oparg) ((oparg) >> 1)
#define CALL_OPARG(argcount, skip) (((argcount) << 1) | (skip))

#define GET_ITER_YIELD_FROM 1
#define GET_ITER_YIELD_FROM_NO_CHECK 2
#define GET_ITER_YIELD_FROM_CORO_CHECK 3
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