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GH-120507: Lower the BEFORE_WITH and BEFORE_ASYNC_WITH instructions. (#120640)

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* Remove BEFORE_WITH and BEFORE_ASYNC_WITH instructions.

* Add LOAD_SPECIAL instruction

* Reimplement `with` and `async with` statements using LOAD_SPECIAL
This commit is contained in:
Mark Shannon 2024-06-18 12:17:46 +01:00 • committed by GitHub
parent 73dc1c678e
commit 9cefcc0ee7
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GPG key ID: B5690EEEBB952194
22 changed files with 663 additions and 651 deletions
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233
Lib/_opcode_metadata.py generated
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@ -191,122 +191,121 @@ opmap = {
'RESERVED': 17,
'RESUME': 149,
'INSTRUMENTED_LINE': 254,
'BEFORE_ASYNC_WITH': 1,
'BEFORE_WITH': 2,
'BINARY_SLICE': 4,
'BINARY_SUBSCR': 5,
'CHECK_EG_MATCH': 6,
'CHECK_EXC_MATCH': 7,
'CLEANUP_THROW': 8,
'DELETE_SUBSCR': 9,
'END_ASYNC_FOR': 10,
'END_FOR': 11,
'END_SEND': 12,
'EXIT_INIT_CHECK': 13,
'FORMAT_SIMPLE': 14,
'FORMAT_WITH_SPEC': 15,
'GET_AITER': 16,
'GET_ANEXT': 18,
'GET_ITER': 19,
'GET_LEN': 20,
'GET_YIELD_FROM_ITER': 21,
'INTERPRETER_EXIT': 22,
'LOAD_BUILD_CLASS': 23,
'LOAD_LOCALS': 24,
'MAKE_FUNCTION': 25,
'MATCH_KEYS': 26,
'MATCH_MAPPING': 27,
'MATCH_SEQUENCE': 28,
'NOP': 29,
'POP_EXCEPT': 30,
'POP_TOP': 31,
'PUSH_EXC_INFO': 32,
'PUSH_NULL': 33,
'RETURN_GENERATOR': 34,
'RETURN_VALUE': 35,
'SETUP_ANNOTATIONS': 36,
'STORE_SLICE': 37,
'STORE_SUBSCR': 38,
'TO_BOOL': 39,
'UNARY_INVERT': 40,
'UNARY_NEGATIVE': 41,
'UNARY_NOT': 42,
'WITH_EXCEPT_START': 43,
'BINARY_OP': 44,
'BUILD_CONST_KEY_MAP': 45,
'BUILD_LIST': 46,
'BUILD_MAP': 47,
'BUILD_SET': 48,
'BUILD_SLICE': 49,
'BUILD_STRING': 50,
'BUILD_TUPLE': 51,
'CALL': 52,
'CALL_FUNCTION_EX': 53,
'CALL_INTRINSIC_1': 54,
'CALL_INTRINSIC_2': 55,
'CALL_KW': 56,
'COMPARE_OP': 57,
'CONTAINS_OP': 58,
'CONVERT_VALUE': 59,
'COPY': 60,
'COPY_FREE_VARS': 61,
'DELETE_ATTR': 62,
'DELETE_DEREF': 63,
'DELETE_FAST': 64,
'DELETE_GLOBAL': 65,
'DELETE_NAME': 66,
'DICT_MERGE': 67,
'DICT_UPDATE': 68,
'ENTER_EXECUTOR': 69,
'EXTENDED_ARG': 70,
'FOR_ITER': 71,
'GET_AWAITABLE': 72,
'IMPORT_FROM': 73,
'IMPORT_NAME': 74,
'IS_OP': 75,
'JUMP_BACKWARD': 76,
'JUMP_BACKWARD_NO_INTERRUPT': 77,
'JUMP_FORWARD': 78,
'LIST_APPEND': 79,
'LIST_EXTEND': 80,
'LOAD_ATTR': 81,
'LOAD_COMMON_CONSTANT': 82,
'LOAD_CONST': 83,
'LOAD_DEREF': 84,
'LOAD_FAST': 85,
'LOAD_FAST_AND_CLEAR': 86,
'LOAD_FAST_CHECK': 87,
'LOAD_FAST_LOAD_FAST': 88,
'LOAD_FROM_DICT_OR_DEREF': 89,
'LOAD_FROM_DICT_OR_GLOBALS': 90,
'LOAD_GLOBAL': 91,
'LOAD_NAME': 92,
'LOAD_SUPER_ATTR': 93,
'MAKE_CELL': 94,
'MAP_ADD': 95,
'MATCH_CLASS': 96,
'POP_JUMP_IF_FALSE': 97,
'POP_JUMP_IF_NONE': 98,
'POP_JUMP_IF_NOT_NONE': 99,
'POP_JUMP_IF_TRUE': 100,
'RAISE_VARARGS': 101,
'RERAISE': 102,
'RETURN_CONST': 103,
'SEND': 104,
'SET_ADD': 105,
'SET_FUNCTION_ATTRIBUTE': 106,
'SET_UPDATE': 107,
'STORE_ATTR': 108,
'STORE_DEREF': 109,
'STORE_FAST': 110,
'STORE_FAST_LOAD_FAST': 111,
'STORE_FAST_STORE_FAST': 112,
'STORE_GLOBAL': 113,
'STORE_NAME': 114,
'SWAP': 115,
'UNPACK_EX': 116,
'UNPACK_SEQUENCE': 117,
'YIELD_VALUE': 118,
'BINARY_SLICE': 1,
'BINARY_SUBSCR': 2,
'CHECK_EG_MATCH': 4,
'CHECK_EXC_MATCH': 5,
'CLEANUP_THROW': 6,
'DELETE_SUBSCR': 7,
'END_ASYNC_FOR': 8,
'END_FOR': 9,
'END_SEND': 10,
'EXIT_INIT_CHECK': 11,
'FORMAT_SIMPLE': 12,
'FORMAT_WITH_SPEC': 13,
'GET_AITER': 14,
'GET_ANEXT': 15,
'GET_ITER': 16,
'GET_LEN': 18,
'GET_YIELD_FROM_ITER': 19,
'INTERPRETER_EXIT': 20,
'LOAD_BUILD_CLASS': 21,
'LOAD_LOCALS': 22,
'MAKE_FUNCTION': 23,
'MATCH_KEYS': 24,
'MATCH_MAPPING': 25,
'MATCH_SEQUENCE': 26,
'NOP': 27,
'POP_EXCEPT': 28,
'POP_TOP': 29,
'PUSH_EXC_INFO': 30,
'PUSH_NULL': 31,
'RETURN_GENERATOR': 32,
'RETURN_VALUE': 33,
'SETUP_ANNOTATIONS': 34,
'STORE_SLICE': 35,
'STORE_SUBSCR': 36,
'TO_BOOL': 37,
'UNARY_INVERT': 38,
'UNARY_NEGATIVE': 39,
'UNARY_NOT': 40,
'WITH_EXCEPT_START': 41,
'BINARY_OP': 42,
'BUILD_CONST_KEY_MAP': 43,
'BUILD_LIST': 44,
'BUILD_MAP': 45,
'BUILD_SET': 46,
'BUILD_SLICE': 47,
'BUILD_STRING': 48,
'BUILD_TUPLE': 49,
'CALL': 50,
'CALL_FUNCTION_EX': 51,
'CALL_INTRINSIC_1': 52,
'CALL_INTRINSIC_2': 53,
'CALL_KW': 54,
'COMPARE_OP': 55,
'CONTAINS_OP': 56,
'CONVERT_VALUE': 57,
'COPY': 58,
'COPY_FREE_VARS': 59,
'DELETE_ATTR': 60,
'DELETE_DEREF': 61,
'DELETE_FAST': 62,
'DELETE_GLOBAL': 63,
'DELETE_NAME': 64,
'DICT_MERGE': 65,
'DICT_UPDATE': 66,
'ENTER_EXECUTOR': 67,
'EXTENDED_ARG': 68,
'FOR_ITER': 69,
'GET_AWAITABLE': 70,
'IMPORT_FROM': 71,
'IMPORT_NAME': 72,
'IS_OP': 73,
'JUMP_BACKWARD': 74,
'JUMP_BACKWARD_NO_INTERRUPT': 75,
'JUMP_FORWARD': 76,
'LIST_APPEND': 77,
'LIST_EXTEND': 78,
'LOAD_ATTR': 79,
'LOAD_COMMON_CONSTANT': 80,
'LOAD_CONST': 81,
'LOAD_DEREF': 82,
'LOAD_FAST': 83,
'LOAD_FAST_AND_CLEAR': 84,
'LOAD_FAST_CHECK': 85,
'LOAD_FAST_LOAD_FAST': 86,
'LOAD_FROM_DICT_OR_DEREF': 87,
'LOAD_FROM_DICT_OR_GLOBALS': 88,
'LOAD_GLOBAL': 89,
'LOAD_NAME': 90,
'LOAD_SPECIAL': 91,
'LOAD_SUPER_ATTR': 92,
'MAKE_CELL': 93,
'MAP_ADD': 94,
'MATCH_CLASS': 95,
'POP_JUMP_IF_FALSE': 96,
'POP_JUMP_IF_NONE': 97,
'POP_JUMP_IF_NOT_NONE': 98,
'POP_JUMP_IF_TRUE': 99,
'RAISE_VARARGS': 100,
'RERAISE': 101,
'RETURN_CONST': 102,
'SEND': 103,
'SET_ADD': 104,
'SET_FUNCTION_ATTRIBUTE': 105,
'SET_UPDATE': 106,
'STORE_ATTR': 107,
'STORE_DEREF': 108,
'STORE_FAST': 109,
'STORE_FAST_LOAD_FAST': 110,
'STORE_FAST_STORE_FAST': 111,
'STORE_GLOBAL': 112,
'STORE_NAME': 113,
'SWAP': 114,
'UNPACK_EX': 115,
'UNPACK_SEQUENCE': 116,
'YIELD_VALUE': 117,
'INSTRUMENTED_RESUME': 236,
'INSTRUMENTED_END_FOR': 237,
'INSTRUMENTED_END_SEND': 238,
@ -335,5 +334,5 @@ opmap = {
'STORE_FAST_MAYBE_NULL': 263,
}
HAVE_ARGUMENT = 43
HAVE_ARGUMENT = 41
MIN_INSTRUMENTED_OPCODE = 236