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gh-105775: Convert LOAD_CLOSURE to a pseudo-op (#106059)

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This enables super-instruction formation,
removal of checks for uninitialized variables,
and frees up an instruction.
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hms 2023-06-29 10:34:00 -06:00 • committed by GitHub
parent 3c70d467c1
commit 8bff940ad6
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16 changed files with 733 additions and 702 deletions
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Lib/importlib/_bootstrap_external.py
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@ -451,6 +451,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.13a1 3553 (Add SET_FUNCTION_ATTRIBUTE)
# Python 3.13a1 3554 (more efficient bytecodes for f-strings)
# Python 3.13a1 3555 (generate specialized opcodes metadata from bytecodes.c)
# Python 3.13a1 3556 (Convert LOAD_CLOSURE to a pseudo-op)
# Python 3.14 will start with 3600
@ -467,7 +468,7 @@ _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 = (3555).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3556).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c