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bpo-46841: Use inline caching for UNPACK_SEQUENCE (GH-31591)

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Brandt Bucher 2022-02-28 03:54:14 -08:00 • committed by GitHub
parent c32aef4853
commit 424ecab494
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7 changed files with 39 additions and 29 deletions
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Lib/importlib/_bootstrap_external.py
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@ -388,6 +388,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.11a5 3479 (Add PUSH_NULL opcode)
# Python 3.11a5 3480 (New CALL opcodes, second iteration)
# Python 3.11a5 3481 (Use inline CACHE instructions)
# Python 3.11a5 3482 (Use inline caching for UNPACK_SEQUENCE)
# Python 3.12 will start with magic number 3500
@ -402,7 +403,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3481).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3482).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c
_PYCACHE = '__pycache__'