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bpo-46841: Move the cache for LOAD_GLOBAL inline. (GH-31575)

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Mark Shannon 2022-02-28 12:56:29 +00:00 committed by GitHub
parent da7d99a4de
commit 4558af5a8f
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 284 additions and 232 deletions
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57
Include/internal/pycore_code.h
View file

@ -26,11 +26,6 @@ typedef struct {
uint32_t dk_version;
} _PyAttrCache;
typedef struct {
uint32_t module_keys_version;
uint32_t builtin_keys_version;
} _PyLoadGlobalCache;
typedef struct {
/* Borrowed ref in LOAD_METHOD */
PyObject *obj;
@ -57,23 +52,35 @@ typedef union {
_PyEntryZero zero;
_PyAdaptiveEntry adaptive;
_PyAttrCache attr;
_PyLoadGlobalCache load_global;
_PyObjectCache obj;
_PyCallCache call;
} SpecializedCacheEntry;
#define INSTRUCTIONS_PER_ENTRY (sizeof(SpecializedCacheEntry)/sizeof(_Py_CODEUNIT))
/* Inline caches */
#define CACHE_ENTRIES(cache) (sizeof(cache)/sizeof(_Py_CODEUNIT))
typedef struct {
_Py_CODEUNIT counter;
_Py_CODEUNIT index;
_Py_CODEUNIT module_keys_version;
_Py_CODEUNIT _m1;
_Py_CODEUNIT builtin_keys_version;
} _PyLoadGlobalCache;
#define INLINE_CACHE_ENTRIES_LOAD_GLOBAL CACHE_ENTRIES(_PyLoadGlobalCache)
typedef struct {
_Py_CODEUNIT counter;
} _PyBinaryOpCache;
#define INLINE_CACHE_ENTRIES_BINARY_OP CACHE_ENTRIES(_PyBinaryOpCache)
typedef struct {
_Py_CODEUNIT counter;
} _PyUnpackSequenceCache;
#define INLINE_CACHE_ENTRIES_BINARY_OP \
(sizeof(_PyBinaryOpCache) / sizeof(_Py_CODEUNIT))
#define INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE \
(sizeof(_PyUnpackSequenceCache) / sizeof(_Py_CODEUNIT))
@ -307,7 +314,7 @@ cache_backoff(_PyAdaptiveEntry *entry) {
extern int _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
extern int _Py_Specialize_StoreAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
extern int _Py_Specialize_LoadGlobal(PyObject *globals, PyObject *builtins, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
extern int _Py_Specialize_LoadGlobal(PyObject *globals, PyObject *builtins, _Py_CODEUNIT *instr, PyObject *name);
extern int _Py_Specialize_LoadMethod(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
extern int _Py_Specialize_BinarySubscr(PyObject *sub, PyObject *container, _Py_CODEUNIT *instr, SpecializedCacheEntry *cache);
extern int _Py_Specialize_StoreSubscr(PyObject *container, PyObject *sub, _Py_CODEUNIT *instr);
@ -388,6 +395,38 @@ extern PyObject* _Py_GetSpecializationStats(void);
#define OBJECT_STAT_INC(name) ((void)0)
#endif
// Cache values are only valid in memory, so use native endianness.
#ifdef WORDS_BIGENDIAN
static inline void
write32(uint16_t *p, uint32_t val)
{
p[0] = val >> 16;
p[1] = (uint16_t)val;
}
static inline uint32_t
read32(uint16_t *p)
{
return (p[0] << 16) | p[1];
}
#else
static inline void
write32(uint16_t *p, uint32_t val)
{
p[0] = (uint16_t)val;
p[1] = val >> 16;
}
static inline uint32_t
read32(uint16_t *p)
{
return p[0] | (p[1] << 16);
}
#endif
#ifdef __cplusplus
}

20
Include/opcode.h generated
View file

@ -185,8 +185,11 @@ extern "C" {
#define STORE_FAST__STORE_FAST 175
#define LOAD_FAST__LOAD_ATTR_INSTANCE_VALUE 176
#define DO_TRACING 255
#ifdef NEED_OPCODE_JUMP_TABLES
static uint32_t _PyOpcode_RelativeJump[8] = {
extern const uint8_t _PyOpcode_InlineCacheEntries[256];
#ifdef NEED_OPCODE_TABLES
static const uint32_t _PyOpcode_RelativeJump[8] = {
0U,
0U,
536870912U,
@ -196,7 +199,7 @@ static uint32_t _PyOpcode_RelativeJump[8] = {
0U,
0U,
};
static uint32_t _PyOpcode_Jump[8] = {
static const uint32_t _PyOpcode_Jump[8] = {
0U,
0U,
536870912U,
@ -206,6 +209,12 @@ static uint32_t _PyOpcode_Jump[8] = {
0U,
0U,
};
const uint8_t _PyOpcode_InlineCacheEntries[256] = {
[UNPACK_SEQUENCE] = 1,
[LOAD_GLOBAL] = 5,
[BINARY_OP] = 1,
};
#endif /* OPCODE_TABLES */
#define HAS_CONST(op) (false\
@ -240,11 +249,6 @@ static uint32_t _PyOpcode_Jump[8] = {
#define NB_INPLACE_TRUE_DIVIDE 24
#define NB_INPLACE_XOR 25
static const uint8_t _PyOpcode_InlineCacheEntries[256] = {
[UNPACK_SEQUENCE] = 1,
[BINARY_OP] = 1,
};
#define HAS_ARG(op) ((op) >= HAVE_ARGUMENT)
/* Reserve some bytecodes for internal use in the compiler.

4
Lib/importlib/_bootstrap_external.py
View file

@ -387,8 +387,8 @@ def _write_atomic(path, data, mode=0o666):
# Python 3.11a5 3478 (New CALL opcodes)
# 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 3.11a5 3481 (Use inline cache for BINARY_OP)
# Python 3.11a5 3482 (Use inline caching for UNPACK_SEQUENCE and LOAD_GLOBAL)
# Python 3.12 will start with magic number 3500

3
Lib/opcode.py
View file

@ -135,7 +135,7 @@ def jabs_op(name, op, entries=0):
jabs_op('JUMP_ABSOLUTE', 113) # ""
jabs_op('POP_JUMP_IF_FALSE', 114) # ""
jabs_op('POP_JUMP_IF_TRUE', 115) # ""
name_op('LOAD_GLOBAL', 116) # Index in name list
name_op('LOAD_GLOBAL', 116, 5) # Index in name list
def_op('IS_OP', 117)
def_op('CONTAINS_OP', 118)
def_op('RERAISE', 119)
@ -198,6 +198,7 @@ def jabs_op(name, op, entries=0):
def_op('KW_NAMES', 172)
hasconst.append(172)
del def_op, name_op, jrel_op, jabs_op
_nb_ops = [

344
Lib/test/test_dis.py
View file

@ -149,10 +149,10 @@ def bug708901():
%3d PRECALL 2
CALL 2
GET_ITER
>> FOR_ITER 2 (to 22)
>> FOR_ITER 2 (to 32)
STORE_FAST 0 (res)
%3d JUMP_ABSOLUTE 8 (to 16)
%3d JUMP_ABSOLUTE 13 (to 26)
%3d >> LOAD_CONST 0 (None)
RETURN_VALUE
@ -375,7 +375,7 @@ def bug42562():
>> PUSH_EXC_INFO
%3d LOAD_GLOBAL 0 (Exception)
JUMP_IF_NOT_EXC_MATCH 26 (to 52)
JUMP_IF_NOT_EXC_MATCH 31 (to 62)
STORE_FAST 0 (e)
%3d LOAD_FAST 0 (e)
@ -1156,18 +1156,18 @@ def _prepare_test_cases():
Instruction(opname='STORE_FAST', opcode=125, arg=2, argval='f', argrepr='f', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=20, starts_line=7, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=0, argval='print', argrepr='print', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='a', argrepr='a', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='b', argrepr='b', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='', argrepr="''", offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_LIST', opcode=103, arg=0, argval=0, argrepr='', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_MAP', opcode=105, arg=0, argval=0, argrepr='', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Hello world!', argrepr="'Hello world!'", offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=7, argval=7, argrepr='', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=7, argval=7, argrepr='', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=44, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='a', argrepr='a', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='b', argrepr='b', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='', argrepr="''", offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_LIST', opcode=103, arg=0, argval=0, argrepr='', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_MAP', opcode=105, arg=0, argval=0, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Hello world!', argrepr="'Hello world!'", offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=7, argval=7, argrepr='', offset=48, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=7, argval=7, argrepr='', offset=50, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=52, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=54, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=56, starts_line=None, is_jump_target=False, positions=None),
]
expected_opinfo_f = [
@ -1186,15 +1186,15 @@ def _prepare_test_cases():
Instruction(opname='STORE_FAST', opcode=125, arg=2, argval='inner', argrepr='inner', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=26, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=0, argval='print', argrepr='print', offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='a', argrepr='a', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='b', argrepr='b', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='c', argrepr='c', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='d', argrepr='d', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=4, argval=4, argrepr='', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=4, argval=4, argrepr='', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=44, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='a', argrepr='a', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='b', argrepr='b', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='c', argrepr='c', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='d', argrepr='d', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=4, argval=4, argrepr='', offset=48, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=4, argval=4, argrepr='', offset=50, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=52, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=54, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=56, starts_line=None, is_jump_target=False, positions=None),
]
expected_opinfo_inner = [
@ -1202,160 +1202,160 @@ def _prepare_test_cases():
Instruction(opname='RESUME', opcode=151, arg=0, argval=0, argrepr='', offset=2, starts_line=3, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=4, starts_line=4, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=0, argval='print', argrepr='print', offset=6, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=2, argval='a', argrepr='a', offset=8, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='b', argrepr='b', offset=10, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='c', argrepr='c', offset=12, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=5, argval='d', argrepr='d', offset=14, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='e', argrepr='e', offset=16, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=1, argval='f', argrepr='f', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=6, argval=6, argrepr='', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=6, argval=6, argrepr='', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=2, argval='a', argrepr='a', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='b', argrepr='b', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='c', argrepr='c', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=5, argval='d', argrepr='d', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='e', argrepr='e', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=1, argval='f', argrepr='f', offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=6, argval=6, argrepr='', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=6, argval=6, argrepr='', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=38, starts_line=None, is_jump_target=False, positions=None),
]
expected_opinfo_jumpy = [
Instruction(opname='RESUME', opcode=151, arg=0, argval=0, argrepr='', offset=0, starts_line=1, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=2, starts_line=3, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=0, argval='range', argrepr='range', offset=4, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=1, argval=10, argrepr='10', offset=6, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=8, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=10, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=12, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='FOR_ITER', opcode=93, arg=19, argval=54, argrepr='to 54', offset=14, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=16, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=18, starts_line=4, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=30, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=20, argval=40, argrepr='to 40', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=7, argval=14, argrepr='to 14', offset=38, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=40, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=26, argval=52, argrepr='to 52', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=48, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=7, argval=66, argrepr='to 66', offset=50, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=7, argval=14, argrepr='to 14', offset=52, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=54, starts_line=10, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=56, 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=58, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=60, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=62, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=64, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=66, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=58, argval=116, argrepr='to 116', offset=68, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=70, starts_line=12, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=72, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=74, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=76, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=78, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=80, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=82, starts_line=13, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=84, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=86, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=90, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=92, starts_line=14, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=94, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=96, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=51, argval=102, argrepr='to 102', offset=98, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=33, argval=66, argrepr='to 66', offset=100, starts_line=15, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=102, starts_line=16, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=104, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=106, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=56, argval=112, argrepr='to 112', offset=108, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=8, argval=128, argrepr='to 128', offset=110, starts_line=17, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=112, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=35, argval=70, argrepr='to 70', offset=114, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=116, starts_line=19, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=118, 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=120, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=122, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=124, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=126, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=128, starts_line=20, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=130, starts_line=21, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=132, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=134, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=138, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=140, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=142, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=144, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=146, starts_line=26, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=148, 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=150, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=152, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=154, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=156, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=158, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=160, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=162, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=164, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=166, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=168, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=11, argval=194, argrepr='to 194', offset=170, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=172, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=174, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=93, argval=186, argrepr='to 186', offset=176, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=178, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=180, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=182, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=184, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=186, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, 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=190, 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='JUMP_FORWARD', opcode=110, arg=16, argval=228, argrepr='to 228', offset=194, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=196, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=198, starts_line=22, is_jump_target=False, positions=None),
Instruction(opname='JUMP_IF_NOT_EXC_MATCH', opcode=121, arg=110, argval=220, argrepr='to 220', offset=200, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=202, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=204, starts_line=23, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=206, 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=208, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=210, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=212, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=214, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=216, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=12, argval=244, argrepr='to 244', offset=218, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=220, starts_line=22, is_jump_target=True, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=222, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=224, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=226, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=228, starts_line=28, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=230, 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=232, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=234, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=236, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=238, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=240, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=242, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=244, starts_line=23, is_jump_target=True, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=246, starts_line=28, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=248, 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=250, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=252, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=254, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=256, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=258, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=260, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=262, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=264, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=266, 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=268, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=270, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=272, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=274, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=276, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=278, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=280, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=282, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=1, argval=10, argrepr='10', offset=16, 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='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='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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=48, starts_line=None, 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='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='JUMP_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=58, 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_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=62, 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='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_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=68, 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_ABSOLUTE', opcode=113, arg=12, argval=24, argrepr='to 24', offset=72, 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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=76, 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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=90, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=94, 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='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='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=100, 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_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=114, 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='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=118, 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='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=122, 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='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=126, 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='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=132, 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='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=136, 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='JUMP_ABSOLUTE', opcode=113, arg=48, argval=96, argrepr='to 96', offset=140, 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_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=144, 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='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='JUMP_FORWARD', opcode=110, arg=13, argval=178, argrepr='to 178', offset=150, 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='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='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=156, 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_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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=172, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=176, 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='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=7, argval=0, argrepr='0', offset=182, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=188, 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='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=192, 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='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=196, 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_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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=212, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=216, 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=220, 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='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=224, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=228, 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='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=232, 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='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='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=238, 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='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=242, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=246, 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_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=252, 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='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=256, 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='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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=272, 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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=276, 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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=290, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=294, 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='JUMP_FORWARD', opcode=110, arg=17, argval=334, argrepr='to 334', offset=298, 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='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=302, 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='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=306, 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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=310, 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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=324, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=328, 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='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=332, 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='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=336, 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_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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=352, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=356, 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='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=360, 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_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=364, 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_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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=380, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=384, 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='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=388, 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='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=392, starts_line=None, is_jump_target=False, positions=None),
]
# One last piece of inspect fodder to check the default line number handling

1
Misc/NEWS.d/next/Core and Builtins/2022-02-25-13-18-18.bpo-46841.86QiQu.rst Normal file
View file

@ -0,0 +1 @@
Use inline cache for :opcode:`LOAD_GLOBAL`.

38
Python/ceval.c
View file

@ -2993,25 +2993,26 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
}
}
}
/* Skip over inline cache */
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL);
PUSH(v);
DISPATCH();
}
TARGET(LOAD_GLOBAL_ADAPTIVE) {
assert(cframe.use_tracing == 0);
SpecializedCacheEntry *cache = GET_CACHE();
if (cache->adaptive.counter == 0) {
PyObject *name = GETITEM(names, cache->adaptive.original_oparg);
uint16_t counter = *next_instr;
if (counter == 0) {
PyObject *name = GETITEM(names, oparg);
next_instr--;
if (_Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name, cache) < 0) {
if (_Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name) < 0) {
goto error;
}
DISPATCH();
}
else {
STAT_INC(LOAD_GLOBAL, deferred);
cache->adaptive.counter--;
oparg = cache->adaptive.original_oparg;
*next_instr = counter-1;
JUMP_TO_INSTRUCTION(LOAD_GLOBAL);
}
}
@ -3020,13 +3021,13 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
assert(cframe.use_tracing == 0);
DEOPT_IF(!PyDict_CheckExact(GLOBALS()), LOAD_GLOBAL);
PyDictObject *dict = (PyDictObject *)GLOBALS();
SpecializedCacheEntry *caches = GET_CACHE();
_PyAdaptiveEntry *cache0 = &caches[0].adaptive;
_PyLoadGlobalCache *cache1 = &caches[-1].load_global;
DEOPT_IF(dict->ma_keys->dk_version != cache1->module_keys_version, LOAD_GLOBAL);
PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + cache0->index;
_PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
uint32_t version = read32(&cache->module_keys_version);
DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL);
PyDictKeyEntry *ep = DK_ENTRIES(dict->ma_keys) + cache->index;
PyObject *res = ep->me_value;
DEOPT_IF(res == NULL, LOAD_GLOBAL);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL);
STAT_INC(LOAD_GLOBAL, hit);
Py_INCREF(res);
PUSH(res);
@ -3039,14 +3040,15 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
DEOPT_IF(!PyDict_CheckExact(BUILTINS()), LOAD_GLOBAL);
PyDictObject *mdict = (PyDictObject *)GLOBALS();
PyDictObject *bdict = (PyDictObject *)BUILTINS();
SpecializedCacheEntry *caches = GET_CACHE();
_PyAdaptiveEntry *cache0 = &caches[0].adaptive;
_PyLoadGlobalCache *cache1 = &caches[-1].load_global;
DEOPT_IF(mdict->ma_keys->dk_version != cache1->module_keys_version, LOAD_GLOBAL);
DEOPT_IF(bdict->ma_keys->dk_version != cache1->builtin_keys_version, LOAD_GLOBAL);
PyDictKeyEntry *ep = DK_ENTRIES(bdict->ma_keys) + cache0->index;
_PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
uint32_t mod_version = read32(&cache->module_keys_version);
uint16_t bltn_version = cache->builtin_keys_version;
DEOPT_IF(mdict->ma_keys->dk_version != mod_version, LOAD_GLOBAL);
DEOPT_IF(bdict->ma_keys->dk_version != bltn_version, LOAD_GLOBAL);
PyDictKeyEntry *ep = DK_ENTRIES(bdict->ma_keys) + cache->index;
PyObject *res = ep->me_value;
DEOPT_IF(res == NULL, LOAD_GLOBAL);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL);
STAT_INC(LOAD_GLOBAL, hit);
Py_INCREF(res);
PUSH(res);
@ -5594,7 +5596,7 @@ opname ## _miss: \
MISS_WITH_CACHE(LOAD_ATTR)
MISS_WITH_CACHE(STORE_ATTR)
MISS_WITH_CACHE(LOAD_GLOBAL)
MISS_WITH_INLINE_CACHE(LOAD_GLOBAL)
MISS_WITH_CACHE(LOAD_METHOD)
MISS_WITH_CACHE(PRECALL)
MISS_WITH_CACHE(CALL)

4
Python/compile.c
View file

@ -31,7 +31,7 @@
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_symtable.h" // PySTEntryObject
#define NEED_OPCODE_JUMP_TABLES
#define NEED_OPCODE_TABLES
#include "opcode.h" // EXTENDED_ARG
@ -108,7 +108,7 @@ typedef struct exceptstack {
#define MASK_LOW_LOG_BITS 31
static inline int
is_bit_set_in_table(uint32_t *table, int bitindex) {
is_bit_set_in_table(const uint32_t *table, int bitindex) {
/* Is the relevant bit set in the relevant word? */
/* 256 bits fit into 8 32-bits words.
* Word is indexed by (bitindex>>ln(size of int in bits)).

28
Python/specialize.c
View file

@ -59,7 +59,6 @@ static uint8_t adaptive_opcodes[256] = {
/* The number of cache entries required for a "family" of instructions. */
static uint8_t cache_requirements[256] = {
[LOAD_ATTR] = 1, // _PyAdaptiveEntry
[LOAD_GLOBAL] = 2, /* _PyAdaptiveEntry and _PyLoadGlobalCache */
[LOAD_METHOD] = 3, /* _PyAdaptiveEntry, _PyAttrCache and _PyObjectCache */
[BINARY_SUBSCR] = 2, /* _PyAdaptiveEntry, _PyObjectCache */
[STORE_SUBSCR] = 0,
@ -1208,11 +1207,12 @@ _Py_Specialize_LoadMethod(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name,
int
_Py_Specialize_LoadGlobal(
PyObject *globals, PyObject *builtins,
_Py_CODEUNIT *instr, PyObject *name,
SpecializedCacheEntry *cache)
_Py_CODEUNIT *instr, PyObject *name)
{
_PyAdaptiveEntry *cache0 = &cache->adaptive;
_PyLoadGlobalCache *cache1 = &cache[-1].load_global;
assert(_PyOpcode_InlineCacheEntries[LOAD_GLOBAL] ==
INLINE_CACHE_ENTRIES_LOAD_GLOBAL);
/* Use inline cache */
_PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)(instr + 1);
assert(PyUnicode_CheckExact(name));
if (!PyDict_CheckExact(globals)) {
goto fail;
@ -1231,8 +1231,8 @@ _Py_Specialize_LoadGlobal(
if (keys_version == 0) {
goto fail;
}
cache1->module_keys_version = keys_version;
cache0->index = (uint16_t)index;
cache->index = (uint16_t)index;
write32(&cache->module_keys_version, keys_version);
*instr = _Py_MAKECODEUNIT(LOAD_GLOBAL_MODULE, _Py_OPARG(*instr));
goto success;
}
@ -1258,20 +1258,24 @@ _Py_Specialize_LoadGlobal(
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
cache1->module_keys_version = globals_version;
cache1->builtin_keys_version = builtins_version;
cache0->index = (uint16_t)index;
if (builtins_version > UINT16_MAX) {
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_RANGE);
goto fail;
}
cache->index = (uint16_t)index;
write32(&cache->module_keys_version, globals_version);
cache->builtin_keys_version = (uint16_t)builtins_version;
*instr = _Py_MAKECODEUNIT(LOAD_GLOBAL_BUILTIN, _Py_OPARG(*instr));
goto success;
fail:
STAT_INC(LOAD_GLOBAL, failure);
assert(!PyErr_Occurred());
cache_backoff(cache0);
cache->counter = ADAPTIVE_CACHE_BACKOFF;
return 0;
success:
STAT_INC(LOAD_GLOBAL, success);
assert(!PyErr_Occurred());
cache0->counter = initial_counter_value();
cache->counter = initial_counter_value();
return 0;
}

17
Tools/scripts/generate_opcode_h.py
View file

@ -36,7 +36,7 @@ def write_int_array_from_ops(name, ops, out):
bits = 0
for op in ops:
bits |= 1<<op
out.write(f"static uint32_t {name}[8] = {{\n")
out.write(f"static const uint32_t {name}[8] = {{\n")
for i in range(8):
out.write(f" {bits & UINT32_MASK}U,\n")
bits >>= 32
@ -75,9 +75,16 @@ def main(opcode_py, outfile='Include/opcode.h'):
fobj.write(DEFINE.format(name, next_op))
used[next_op] = True
fobj.write(DEFINE.format('DO_TRACING', 255))
fobj.write("#ifdef NEED_OPCODE_JUMP_TABLES\n")
fobj.write("\nextern const uint8_t _PyOpcode_InlineCacheEntries[256];\n")
fobj.write("\n#ifdef NEED_OPCODE_TABLES\n")
write_int_array_from_ops("_PyOpcode_RelativeJump", opcode['hasjrel'], fobj)
write_int_array_from_ops("_PyOpcode_Jump", opcode['hasjrel'] + opcode['hasjabs'], fobj)
fobj.write("\nconst uint8_t _PyOpcode_InlineCacheEntries[256] = {\n")
for i, entries in enumerate(opcode["_inline_cache_entries"]):
if entries:
fobj.write(f" [{opname[i]}] = {entries},\n")
fobj.write("};\n")
fobj.write("#endif /* OPCODE_TABLES */\n")
fobj.write("\n")
@ -90,12 +97,6 @@ def main(opcode_py, outfile='Include/opcode.h'):
for i, (op, _) in enumerate(opcode["_nb_ops"]):
fobj.write(DEFINE.format(op, i))
fobj.write("\nstatic const uint8_t _PyOpcode_InlineCacheEntries[256] = {\n")
for i, entries in enumerate(opcode["_inline_cache_entries"]):
if entries:
fobj.write(f" [{opname[i]}] = {entries},\n")
fobj.write("};\n")
fobj.write(footer)