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bpo-46841: Use inline caching for `COMPARE_OP` (GH-31622)

This commit is contained in:
Brandt Bucher 2022-03-01 05:53:13 -08:00 committed by GitHub
parent df9f759755
commit 7820a5897e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 179 additions and 163 deletions
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16
Include/internal/pycore_code.h
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@ -77,13 +77,20 @@ typedef struct {
} _PyBinaryOpCache; } _PyBinaryOpCache;
#define INLINE_CACHE_ENTRIES_BINARY_OP CACHE_ENTRIES(_PyBinaryOpCache) #define INLINE_CACHE_ENTRIES_BINARY_OP CACHE_ENTRIES(_PyBinaryOpCache)
typedef struct { typedef struct {
_Py_CODEUNIT counter; _Py_CODEUNIT counter;
} _PyUnpackSequenceCache; } _PyUnpackSequenceCache;
#define INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE \ #define INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE \
(sizeof(_PyUnpackSequenceCache) / sizeof(_Py_CODEUNIT)) CACHE_ENTRIES(_PyUnpackSequenceCache)
typedef struct {
_Py_CODEUNIT counter;
_Py_CODEUNIT mask;
} _PyCompareOpCache;
#define INLINE_CACHE_ENTRIES_COMPARE_OP CACHE_ENTRIES(_PyCompareOpCache)
/* Maximum size of code to quicken, in code units. */ /* Maximum size of code to quicken, in code units. */
#define MAX_SIZE_TO_QUICKEN 5000 #define MAX_SIZE_TO_QUICKEN 5000
@ -323,8 +330,9 @@ extern int _Py_Specialize_Call(PyObject *callable, _Py_CODEUNIT *instr, int narg
extern int _Py_Specialize_Precall(PyObject *callable, _Py_CODEUNIT *instr, int nargs, extern int _Py_Specialize_Precall(PyObject *callable, _Py_CODEUNIT *instr, int nargs,
PyObject *kwnames, SpecializedCacheEntry *cache, PyObject *builtins); PyObject *kwnames, SpecializedCacheEntry *cache, PyObject *builtins);
extern void _Py_Specialize_BinaryOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr, extern void _Py_Specialize_BinaryOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr,
int oparg); int oparg);
extern void _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr, SpecializedCacheEntry *cache); extern void _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs,
_Py_CODEUNIT *instr, int oparg);
extern void _Py_Specialize_UnpackSequence(PyObject *seq, _Py_CODEUNIT *instr, extern void _Py_Specialize_UnpackSequence(PyObject *seq, _Py_CODEUNIT *instr,
int oparg); int oparg);

1
Include/opcode.h generated
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@ -212,6 +212,7 @@ static const uint32_t _PyOpcode_Jump[8] = {
const uint8_t _PyOpcode_InlineCacheEntries[256] = { const uint8_t _PyOpcode_InlineCacheEntries[256] = {
[UNPACK_SEQUENCE] = 1, [UNPACK_SEQUENCE] = 1,
[COMPARE_OP] = 2,
[LOAD_GLOBAL] = 5, [LOAD_GLOBAL] = 5,
[BINARY_OP] = 1, [BINARY_OP] = 1,
}; };

3
Lib/importlib/_bootstrap_external.py
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@ -389,6 +389,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.11a5 3480 (New CALL opcodes, second iteration) # Python 3.11a5 3480 (New CALL opcodes, second iteration)
# Python 3.11a5 3481 (Use inline cache for BINARY_OP) # Python 3.11a5 3481 (Use inline cache for BINARY_OP)
# Python 3.11a5 3482 (Use inline caching for UNPACK_SEQUENCE and LOAD_GLOBAL) # Python 3.11a5 3482 (Use inline caching for UNPACK_SEQUENCE and LOAD_GLOBAL)
# Python 3.11a5 3483 (Use inline caching for COMPARE_OP)
# Python 3.12 will start with magic number 3500 # Python 3.12 will start with magic number 3500
@ -403,7 +404,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array # Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated. # in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3482).to_bytes(2, 'little') + b'\r\n' MAGIC_NUMBER = (3483).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c
_PYCACHE = '__pycache__' _PYCACHE = '__pycache__'

2
Lib/opcode.py
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@ -125,7 +125,7 @@ def_op('BUILD_LIST', 103) # Number of list items
def_op('BUILD_SET', 104) # Number of set items def_op('BUILD_SET', 104) # Number of set items
def_op('BUILD_MAP', 105) # Number of dict entries def_op('BUILD_MAP', 105) # Number of dict entries
name_op('LOAD_ATTR', 106) # Index in name list name_op('LOAD_ATTR', 106) # Index in name list
def_op('COMPARE_OP', 107) # Comparison operator def_op('COMPARE_OP', 107, 2) # Comparison operator
hascompare.append(107) hascompare.append(107)
name_op('IMPORT_NAME', 108) # Index in name list name_op('IMPORT_NAME', 108) # Index in name list
name_op('IMPORT_FROM', 109) # Index in name list name_op('IMPORT_FROM', 109) # Index in name list

4
Lib/test/test_compile.py
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@ -1002,7 +1002,9 @@ if 1:
'JUMP_FORWARD', 'JUMP_FORWARD',
) )
for line, instr in enumerate(dis.Bytecode(if_else_break)): for line, instr in enumerate(
dis.Bytecode(if_else_break, show_caches=True)
):
if instr.opname == 'JUMP_FORWARD': if instr.opname == 'JUMP_FORWARD':
self.assertNotEqual(instr.arg, 0) self.assertNotEqual(instr.arg, 0)
elif instr.opname in HANDLED_JUMPS: elif instr.opname in HANDLED_JUMPS:

246
Lib/test/test_dis.py
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@ -1223,7 +1223,7 @@ expected_opinfo_jumpy = [
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=18, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=20, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=22, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='FOR_ITER', opcode=93, arg=24, argval=74, argrepr='to 74', offset=24, starts_line=None, is_jump_target=True, positions=None), Instruction(opname='FOR_ITER', opcode=93, arg=28, argval=82, argrepr='to 82', offset=24, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=26, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=28, starts_line=4, is_jump_target=False, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=28, starts_line=4, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=30, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=30, starts_line=None, is_jump_target=False, positions=None),
@ -1234,128 +1234,128 @@ expected_opinfo_jumpy = [
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=50, starts_line=5, is_jump_target=False, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=50, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=52, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=52, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=54, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=54, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=30, argval=60, argrepr='to 60', offset=56, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=32, argval=64, argrepr='to 64', offset=60, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=58, starts_line=6, is_jump_target=False, positions=None), Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=62, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=60, starts_line=7, is_jump_target=True, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=64, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=62, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=66, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=64, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=68, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=36, argval=72, argrepr='to 72', offset=66, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=40, argval=80, argrepr='to 80', offset=74, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=68, starts_line=8, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=76, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=12, argval=96, argrepr='to 96', offset=70, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='JUMP_FORWARD', opcode=110, arg=12, argval=104, argrepr='to 104', offset=78, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=72, starts_line=7, is_jump_target=True, positions=None), Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=80, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=74, starts_line=10, is_jump_target=True, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=82, starts_line=10, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=76, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=84, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=88, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=96, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=90, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=98, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=92, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=100, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=94, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=102, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=96, starts_line=11, is_jump_target=True, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=104, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=78, argval=156, argrepr='to 156', offset=98, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=86, argval=172, argrepr='to 172', offset=106, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=100, starts_line=12, is_jump_target=True, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=108, starts_line=12, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=102, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=110, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=114, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=122, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=116, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=124, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=118, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=126, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=120, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=128, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=122, starts_line=13, is_jump_target=False, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=130, starts_line=13, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=124, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=132, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=126, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=134, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=130, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=138, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=132, starts_line=14, is_jump_target=False, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=140, starts_line=14, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=134, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=142, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=136, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=144, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=71, argval=142, argrepr='to 142', offset=138, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=77, argval=154, argrepr='to 154', offset=150, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=48, argval=96, argrepr='to 96', offset=140, starts_line=15, is_jump_target=False, positions=None), Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=52, argval=104, argrepr='to 104', offset=152, starts_line=15, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=142, starts_line=16, is_jump_target=True, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=154, starts_line=16, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=144, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=156, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=146, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=158, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=76, argval=152, argrepr='to 152', offset=148, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=84, argval=168, argrepr='to 168', offset=164, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=13, argval=178, argrepr='to 178', offset=150, starts_line=17, is_jump_target=False, positions=None), Instruction(opname='JUMP_FORWARD', opcode=110, arg=13, argval=194, argrepr='to 194', offset=166, starts_line=17, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=152, starts_line=11, is_jump_target=True, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=168, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=50, argval=100, argrepr='to 100', offset=154, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=54, argval=108, argrepr='to 108', offset=170, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=156, starts_line=19, is_jump_target=True, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=172, starts_line=19, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=158, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=174, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Who let lolcatz into this test suite?', argrepr="'Who let lolcatz into this test suite?'", offset=170, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Who let lolcatz into this test suite?', argrepr="'Who let lolcatz into this test suite?'", offset=186, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=172, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=188, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=174, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=190, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=176, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=192, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=178, starts_line=20, is_jump_target=True, positions=None), Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=194, starts_line=20, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=180, starts_line=21, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=196, starts_line=21, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=182, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=198, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=184, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=200, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=188, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=204, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=190, starts_line=25, is_jump_target=False, positions=None), Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=206, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=192, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=208, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=194, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=210, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=196, starts_line=26, is_jump_target=False, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=212, starts_line=26, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=198, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=214, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Never reach this', argrepr="'Never reach this'", offset=210, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Never reach this', argrepr="'Never reach this'", offset=226, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=212, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=228, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=214, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=230, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=216, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=232, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=218, starts_line=25, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=234, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=220, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=236, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=222, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=238, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=224, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=240, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=226, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=242, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=228, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=244, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=11, argval=254, argrepr='to 254', offset=230, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='JUMP_FORWARD', opcode=110, arg=11, argval=270, argrepr='to 270', offset=246, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=232, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=248, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=234, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=250, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=123, argval=246, argrepr='to 246', offset=236, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=131, argval=262, argrepr='to 262', offset=252, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=238, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=254, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=240, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=256, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=242, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=258, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=244, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=260, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=246, starts_line=None, is_jump_target=True, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=262, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=248, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=264, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=250, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=266, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=252, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=268, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=26, argval=308, argrepr='to 308', offset=254, starts_line=None, is_jump_target=True, positions=None), Instruction(opname='JUMP_FORWARD', opcode=110, arg=26, argval=324, argrepr='to 324', offset=270, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=256, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=272, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=258, starts_line=22, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=274, starts_line=22, is_jump_target=False, positions=None),
Instruction(opname='JUMP_IF_NOT_EXC_MATCH', opcode=121, arg=150, argval=300, argrepr='to 300', offset=270, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='JUMP_IF_NOT_EXC_MATCH', opcode=121, arg=158, argval=316, argrepr='to 316', offset=286, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=272, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=288, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=274, starts_line=23, is_jump_target=False, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=290, starts_line=23, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=276, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=292, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=9, argval='Here we go, here we go, here we go...', argrepr="'Here we go, here we go, here we go...'", offset=288, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=9, argval='Here we go, here we go, here we go...', argrepr="'Here we go, here we go, here we go...'", offset=304, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=290, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=306, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=292, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=308, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=294, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=310, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=296, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=312, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=17, argval=334, argrepr='to 334', offset=298, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='JUMP_FORWARD', opcode=110, arg=17, argval=350, argrepr='to 350', offset=314, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=300, starts_line=22, is_jump_target=True, positions=None), Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=316, starts_line=22, is_jump_target=True, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=302, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=318, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=304, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=320, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=306, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=322, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=308, starts_line=28, is_jump_target=True, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=324, starts_line=28, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=310, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=326, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=322, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=338, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=324, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=340, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=326, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=342, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=328, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=344, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=330, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=346, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=332, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=348, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=334, starts_line=23, is_jump_target=True, positions=None), Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=350, starts_line=23, is_jump_target=True, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=336, starts_line=28, is_jump_target=False, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=352, starts_line=28, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=338, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=354, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=350, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=366, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=352, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=368, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=354, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=370, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=356, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=372, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=358, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=374, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=360, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=376, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=362, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=378, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=364, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=380, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=366, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=382, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=378, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=394, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=380, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=396, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=382, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=398, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=384, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=400, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=386, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=402, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=388, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=404, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=390, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=406, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=392, starts_line=None, is_jump_target=False, positions=None), Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=408, starts_line=None, is_jump_target=False, positions=None),
] ]
# One last piece of inspect fodder to check the default line number handling # One last piece of inspect fodder to check the default line number handling

1
Misc/NEWS.d/next/Core and Builtins/2022-02-28-12-01-04.bpo-46841.r60AMJ.rst Normal file
View File

@ -0,0 +1 @@
Use inline caching for :opcode:`COMPARE_OP`.

33
Python/ceval.c
View File

@ -3671,8 +3671,10 @@ handle_eval_breaker:
SET_TOP(res); SET_TOP(res);
Py_DECREF(left); Py_DECREF(left);
Py_DECREF(right); Py_DECREF(right);
if (res == NULL) if (res == NULL) {
goto error; goto error;
}
JUMPBY(INLINE_CACHE_ENTRIES_COMPARE_OP);
PREDICT(POP_JUMP_IF_FALSE); PREDICT(POP_JUMP_IF_FALSE);
PREDICT(POP_JUMP_IF_TRUE); PREDICT(POP_JUMP_IF_TRUE);
DISPATCH(); DISPATCH();
@ -3680,18 +3682,17 @@ handle_eval_breaker:
TARGET(COMPARE_OP_ADAPTIVE) { TARGET(COMPARE_OP_ADAPTIVE) {
assert(cframe.use_tracing == 0); assert(cframe.use_tracing == 0);
SpecializedCacheEntry *cache = GET_CACHE(); _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
if (cache->adaptive.counter == 0) { if (cache->counter == 0) {
PyObject *right = TOP(); PyObject *right = TOP();
PyObject *left = SECOND(); PyObject *left = SECOND();
next_instr--; next_instr--;
_Py_Specialize_CompareOp(left, right, next_instr, cache); _Py_Specialize_CompareOp(left, right, next_instr, oparg);
DISPATCH(); DISPATCH();
} }
else { else {
STAT_INC(COMPARE_OP, deferred); STAT_INC(COMPARE_OP, deferred);
cache->adaptive.counter--; cache->counter--;
oparg = cache->adaptive.original_oparg;
JUMP_TO_INSTRUCTION(COMPARE_OP); JUMP_TO_INSTRUCTION(COMPARE_OP);
} }
} }
@ -3699,8 +3700,8 @@ handle_eval_breaker:
TARGET(COMPARE_OP_FLOAT_JUMP) { TARGET(COMPARE_OP_FLOAT_JUMP) {
assert(cframe.use_tracing == 0); assert(cframe.use_tracing == 0);
// Combined: COMPARE_OP (float ? float) + POP_JUMP_IF_(true/false) // Combined: COMPARE_OP (float ? float) + POP_JUMP_IF_(true/false)
SpecializedCacheEntry *caches = GET_CACHE(); _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
int when_to_jump_mask = caches[0].adaptive.index; int when_to_jump_mask = cache->mask;
PyObject *right = TOP(); PyObject *right = TOP();
PyObject *left = SECOND(); PyObject *left = SECOND();
DEOPT_IF(!PyFloat_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyFloat_CheckExact(left), COMPARE_OP);
@ -3711,6 +3712,7 @@ handle_eval_breaker:
DEOPT_IF(isnan(dleft), COMPARE_OP); DEOPT_IF(isnan(dleft), COMPARE_OP);
DEOPT_IF(isnan(dright), COMPARE_OP); DEOPT_IF(isnan(dright), COMPARE_OP);
STAT_INC(COMPARE_OP, hit); STAT_INC(COMPARE_OP, hit);
JUMPBY(INLINE_CACHE_ENTRIES_COMPARE_OP);
NEXTOPARG(); NEXTOPARG();
STACK_SHRINK(2); STACK_SHRINK(2);
Py_DECREF(left); Py_DECREF(left);
@ -3731,8 +3733,8 @@ handle_eval_breaker:
TARGET(COMPARE_OP_INT_JUMP) { TARGET(COMPARE_OP_INT_JUMP) {
assert(cframe.use_tracing == 0); assert(cframe.use_tracing == 0);
// Combined: COMPARE_OP (int ? int) + POP_JUMP_IF_(true/false) // Combined: COMPARE_OP (int ? int) + POP_JUMP_IF_(true/false)
SpecializedCacheEntry *caches = GET_CACHE(); _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
int when_to_jump_mask = caches[0].adaptive.index; int when_to_jump_mask = cache->mask;
PyObject *right = TOP(); PyObject *right = TOP();
PyObject *left = SECOND(); PyObject *left = SECOND();
DEOPT_IF(!PyLong_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyLong_CheckExact(left), COMPARE_OP);
@ -3744,6 +3746,7 @@ handle_eval_breaker:
Py_ssize_t ileft = Py_SIZE(left) * ((PyLongObject *)left)->ob_digit[0]; Py_ssize_t ileft = Py_SIZE(left) * ((PyLongObject *)left)->ob_digit[0];
Py_ssize_t iright = Py_SIZE(right) * ((PyLongObject *)right)->ob_digit[0]; Py_ssize_t iright = Py_SIZE(right) * ((PyLongObject *)right)->ob_digit[0];
int sign = (ileft > iright) - (ileft < iright); int sign = (ileft > iright) - (ileft < iright);
JUMPBY(INLINE_CACHE_ENTRIES_COMPARE_OP);
NEXTOPARG(); NEXTOPARG();
STACK_SHRINK(2); STACK_SHRINK(2);
Py_DECREF(left); Py_DECREF(left);
@ -3764,8 +3767,8 @@ handle_eval_breaker:
TARGET(COMPARE_OP_STR_JUMP) { TARGET(COMPARE_OP_STR_JUMP) {
assert(cframe.use_tracing == 0); assert(cframe.use_tracing == 0);
// Combined: COMPARE_OP (str == str or str != str) + POP_JUMP_IF_(true/false) // Combined: COMPARE_OP (str == str or str != str) + POP_JUMP_IF_(true/false)
SpecializedCacheEntry *caches = GET_CACHE(); _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
int invert = caches[0].adaptive.index; int invert = cache->mask;
PyObject *right = TOP(); PyObject *right = TOP();
PyObject *left = SECOND(); PyObject *left = SECOND();
DEOPT_IF(!PyUnicode_CheckExact(left), COMPARE_OP); DEOPT_IF(!PyUnicode_CheckExact(left), COMPARE_OP);
@ -3775,8 +3778,8 @@ handle_eval_breaker:
if (res < 0) { if (res < 0) {
goto error; goto error;
} }
assert(caches[0].adaptive.original_oparg == Py_EQ || assert(oparg == Py_EQ || oparg == Py_NE);
caches[0].adaptive.original_oparg == Py_NE); JUMPBY(INLINE_CACHE_ENTRIES_COMPARE_OP);
NEXTOPARG(); NEXTOPARG();
assert(opcode == POP_JUMP_IF_TRUE || opcode == POP_JUMP_IF_FALSE); assert(opcode == POP_JUMP_IF_TRUE || opcode == POP_JUMP_IF_FALSE);
STACK_SHRINK(2); STACK_SHRINK(2);
@ -5601,7 +5604,7 @@ MISS_WITH_CACHE(LOAD_METHOD)
MISS_WITH_CACHE(PRECALL) MISS_WITH_CACHE(PRECALL)
MISS_WITH_CACHE(CALL) MISS_WITH_CACHE(CALL)
MISS_WITH_INLINE_CACHE(BINARY_OP) MISS_WITH_INLINE_CACHE(BINARY_OP)
MISS_WITH_CACHE(COMPARE_OP) MISS_WITH_INLINE_CACHE(COMPARE_OP)
MISS_WITH_CACHE(BINARY_SUBSCR) MISS_WITH_CACHE(BINARY_SUBSCR)
MISS_WITH_INLINE_CACHE(UNPACK_SEQUENCE) MISS_WITH_INLINE_CACHE(UNPACK_SEQUENCE)
MISS_WITH_OPARG_COUNTER(STORE_SUBSCR) MISS_WITH_OPARG_COUNTER(STORE_SUBSCR)

36
Python/specialize.c
View File

@ -65,7 +65,6 @@ static uint8_t cache_requirements[256] = {
[CALL] = 2, /* _PyAdaptiveEntry and _PyObjectCache/_PyCallCache */ [CALL] = 2, /* _PyAdaptiveEntry and _PyObjectCache/_PyCallCache */
[PRECALL] = 2, /* _PyAdaptiveEntry and _PyObjectCache/_PyCallCache */ [PRECALL] = 2, /* _PyAdaptiveEntry and _PyObjectCache/_PyCallCache */
[STORE_ATTR] = 1, // _PyAdaptiveEntry [STORE_ATTR] = 1, // _PyAdaptiveEntry
[COMPARE_OP] = 1, /* _PyAdaptiveEntry */
}; };
Py_ssize_t _Py_QuickenedCount = 0; Py_ssize_t _Py_QuickenedCount = 0;
@ -2057,26 +2056,27 @@ static int compare_masks[] = {
}; };
void void
_Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs, _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr,
_Py_CODEUNIT *instr, SpecializedCacheEntry *cache) int oparg)
{ {
_PyAdaptiveEntry *adaptive = &cache->adaptive; assert(_PyOpcode_InlineCacheEntries[COMPARE_OP] ==
int op = adaptive->original_oparg; INLINE_CACHE_ENTRIES_COMPARE_OP);
int next_opcode = _Py_OPCODE(instr[1]); _PyCompareOpCache *cache = (_PyCompareOpCache *)(instr + 1);
int next_opcode = _Py_OPCODE(instr[INLINE_CACHE_ENTRIES_COMPARE_OP + 1]);
if (next_opcode != POP_JUMP_IF_FALSE && next_opcode != POP_JUMP_IF_TRUE) { if (next_opcode != POP_JUMP_IF_FALSE && next_opcode != POP_JUMP_IF_TRUE) {
// Can't ever combine, so don't don't bother being adaptive (unless // Can't ever combine, so don't don't bother being adaptive (unless
// we're collecting stats, where it's more important to get accurate hit // we're collecting stats, where it's more important to get accurate hit
// counts for the unadaptive version and each of the different failure // counts for the unadaptive version and each of the different failure
// types): // types):
#ifndef Py_STATS #ifndef Py_STATS
*instr = _Py_MAKECODEUNIT(COMPARE_OP, adaptive->original_oparg); *instr = _Py_MAKECODEUNIT(COMPARE_OP, oparg);
return; return;
#endif #endif
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_NOT_FOLLOWED_BY_COND_JUMP); SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_NOT_FOLLOWED_BY_COND_JUMP);
goto failure; goto failure;
} }
assert(op <= Py_GE); assert(oparg <= Py_GE);
int when_to_jump_mask = compare_masks[op]; int when_to_jump_mask = compare_masks[oparg];
if (next_opcode == POP_JUMP_IF_FALSE) { if (next_opcode == POP_JUMP_IF_FALSE) {
when_to_jump_mask = (1 | 2 | 4) & ~when_to_jump_mask; when_to_jump_mask = (1 | 2 | 4) & ~when_to_jump_mask;
} }
@ -2085,14 +2085,14 @@ _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs,
goto failure; goto failure;
} }
if (PyFloat_CheckExact(lhs)) { if (PyFloat_CheckExact(lhs)) {
*instr = _Py_MAKECODEUNIT(COMPARE_OP_FLOAT_JUMP, _Py_OPARG(*instr)); *instr = _Py_MAKECODEUNIT(COMPARE_OP_FLOAT_JUMP, oparg);
adaptive->index = when_to_jump_mask; cache->mask = when_to_jump_mask;
goto success; goto success;
} }
if (PyLong_CheckExact(lhs)) { if (PyLong_CheckExact(lhs)) {
if (Py_ABS(Py_SIZE(lhs)) <= 1 && Py_ABS(Py_SIZE(rhs)) <= 1) { if (Py_ABS(Py_SIZE(lhs)) <= 1 && Py_ABS(Py_SIZE(rhs)) <= 1) {
*instr = _Py_MAKECODEUNIT(COMPARE_OP_INT_JUMP, _Py_OPARG(*instr)); *instr = _Py_MAKECODEUNIT(COMPARE_OP_INT_JUMP, oparg);
adaptive->index = when_to_jump_mask; cache->mask = when_to_jump_mask;
goto success; goto success;
} }
else { else {
@ -2101,24 +2101,24 @@ _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs,
} }
} }
if (PyUnicode_CheckExact(lhs)) { if (PyUnicode_CheckExact(lhs)) {
if (op != Py_EQ && op != Py_NE) { if (oparg != Py_EQ && oparg != Py_NE) {
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_STRING); SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_STRING);
goto failure; goto failure;
} }
else { else {
*instr = _Py_MAKECODEUNIT(COMPARE_OP_STR_JUMP, _Py_OPARG(*instr)); *instr = _Py_MAKECODEUNIT(COMPARE_OP_STR_JUMP, oparg);
adaptive->index = (when_to_jump_mask & 2) == 0; cache->mask = (when_to_jump_mask & 2) == 0;
goto success; goto success;
} }
} }
SPECIALIZATION_FAIL(COMPARE_OP, compare_op_fail_kind(lhs, rhs)); SPECIALIZATION_FAIL(COMPARE_OP, compare_op_fail_kind(lhs, rhs));
failure: failure:
STAT_INC(COMPARE_OP, failure); STAT_INC(COMPARE_OP, failure);
cache_backoff(adaptive); cache->counter = ADAPTIVE_CACHE_BACKOFF;
return; return;
success: success:
STAT_INC(COMPARE_OP, success); STAT_INC(COMPARE_OP, success);
adaptive->counter = initial_counter_value(); cache->counter = initial_counter_value();
} }
#ifdef Py_STATS #ifdef Py_STATS