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gh-87729: improve hit rate of LOAD_SUPER_ATTR specialization (#104270)

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Carl Meyer 2023-05-11 08:08:13 -06:00 • committed by GitHub
parent ddc0e70a32
commit 77262458fe
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 374 additions and 352 deletions
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7
Include/internal/pycore_code.h
View file

@ -53,9 +53,6 @@ typedef struct {
typedef struct {
uint16_t counter;
uint16_t class_version[2];
uint16_t self_type_version[2];
uint16_t method[4];
} _PySuperAttrCache;
#define INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR CACHE_ENTRIES(_PySuperAttrCache)
@ -227,8 +224,8 @@ extern int _PyLineTable_PreviousAddressRange(PyCodeAddressRange *range);
/* Specialization functions */
extern void _Py_Specialize_LoadSuperAttr(PyObject *global_super, PyObject *cls, PyObject *self,
_Py_CODEUNIT *instr, PyObject *name, int load_method);
extern void _Py_Specialize_LoadSuperAttr(PyObject *global_super, PyObject *cls,
_Py_CODEUNIT *instr, int load_method);
extern void _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr,
PyObject *name);
extern void _Py_Specialize_StoreAttr(PyObject *owner, _Py_CODEUNIT *instr,

24
Include/internal/pycore_opcode.h generated
View file

@ -42,7 +42,7 @@ const uint8_t _PyOpcode_Caches[256] = {
[LOAD_GLOBAL] = 4,
[BINARY_OP] = 1,
[SEND] = 1,
[LOAD_SUPER_ATTR] = 9,
[LOAD_SUPER_ATTR] = 1,
[CALL] = 3,
};
@ -182,6 +182,7 @@ const uint8_t _PyOpcode_Deopt[256] = {
[LOAD_GLOBAL_MODULE] = LOAD_GLOBAL,
[LOAD_NAME] = LOAD_NAME,
[LOAD_SUPER_ATTR] = LOAD_SUPER_ATTR,
[LOAD_SUPER_ATTR_ATTR] = LOAD_SUPER_ATTR,
[LOAD_SUPER_ATTR_METHOD] = LOAD_SUPER_ATTR,
[MAKE_CELL] = MAKE_CELL,
[MAKE_FUNCTION] = MAKE_FUNCTION,
@ -307,29 +308,29 @@ static const char *const _PyOpcode_OpName[267] = {
[FOR_ITER_TUPLE] = "FOR_ITER_TUPLE",
[FOR_ITER_RANGE] = "FOR_ITER_RANGE",
[FOR_ITER_GEN] = "FOR_ITER_GEN",
[LOAD_SUPER_ATTR_ATTR] = "LOAD_SUPER_ATTR_ATTR",
[LOAD_SUPER_ATTR_METHOD] = "LOAD_SUPER_ATTR_METHOD",
[LOAD_ATTR_CLASS] = "LOAD_ATTR_CLASS",
[GET_ITER] = "GET_ITER",
[GET_YIELD_FROM_ITER] = "GET_YIELD_FROM_ITER",
[LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN] = "LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN",
[LOAD_ATTR_CLASS] = "LOAD_ATTR_CLASS",
[LOAD_BUILD_CLASS] = "LOAD_BUILD_CLASS",
[LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN] = "LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN",
[LOAD_ATTR_INSTANCE_VALUE] = "LOAD_ATTR_INSTANCE_VALUE",
[LOAD_ATTR_MODULE] = "LOAD_ATTR_MODULE",
[LOAD_ASSERTION_ERROR] = "LOAD_ASSERTION_ERROR",
[RETURN_GENERATOR] = "RETURN_GENERATOR",
[LOAD_ATTR_MODULE] = "LOAD_ATTR_MODULE",
[LOAD_ATTR_PROPERTY] = "LOAD_ATTR_PROPERTY",
[LOAD_ATTR_SLOT] = "LOAD_ATTR_SLOT",
[LOAD_ATTR_WITH_HINT] = "LOAD_ATTR_WITH_HINT",
[LOAD_ATTR_METHOD_LAZY_DICT] = "LOAD_ATTR_METHOD_LAZY_DICT",
[LOAD_ATTR_METHOD_NO_DICT] = "LOAD_ATTR_METHOD_NO_DICT",
[LOAD_ATTR_METHOD_WITH_VALUES] = "LOAD_ATTR_METHOD_WITH_VALUES",
[LOAD_CONST__LOAD_FAST] = "LOAD_CONST__LOAD_FAST",
[RETURN_VALUE] = "RETURN_VALUE",
[LOAD_FAST__LOAD_CONST] = "LOAD_FAST__LOAD_CONST",
[LOAD_CONST__LOAD_FAST] = "LOAD_CONST__LOAD_FAST",
[SETUP_ANNOTATIONS] = "SETUP_ANNOTATIONS",
[LOAD_FAST__LOAD_CONST] = "LOAD_FAST__LOAD_CONST",
[LOAD_FAST__LOAD_FAST] = "LOAD_FAST__LOAD_FAST",
[LOAD_GLOBAL_BUILTIN] = "LOAD_GLOBAL_BUILTIN",
[LOAD_GLOBAL_MODULE] = "LOAD_GLOBAL_MODULE",
[POP_EXCEPT] = "POP_EXCEPT",
[STORE_NAME] = "STORE_NAME",
[DELETE_NAME] = "DELETE_NAME",
@ -352,9 +353,9 @@ static const char *const _PyOpcode_OpName[267] = {
[IMPORT_NAME] = "IMPORT_NAME",
[IMPORT_FROM] = "IMPORT_FROM",
[JUMP_FORWARD] = "JUMP_FORWARD",
[LOAD_GLOBAL_MODULE] = "LOAD_GLOBAL_MODULE",
[STORE_ATTR_INSTANCE_VALUE] = "STORE_ATTR_INSTANCE_VALUE",
[STORE_ATTR_SLOT] = "STORE_ATTR_SLOT",
[STORE_ATTR_WITH_HINT] = "STORE_ATTR_WITH_HINT",
[POP_JUMP_IF_FALSE] = "POP_JUMP_IF_FALSE",
[POP_JUMP_IF_TRUE] = "POP_JUMP_IF_TRUE",
[LOAD_GLOBAL] = "LOAD_GLOBAL",
@ -394,22 +395,22 @@ static const char *const _PyOpcode_OpName[267] = {
[YIELD_VALUE] = "YIELD_VALUE",
[RESUME] = "RESUME",
[MATCH_CLASS] = "MATCH_CLASS",
[STORE_ATTR_WITH_HINT] = "STORE_ATTR_WITH_HINT",
[STORE_FAST__LOAD_FAST] = "STORE_FAST__LOAD_FAST",
[STORE_FAST__STORE_FAST] = "STORE_FAST__STORE_FAST",
[FORMAT_VALUE] = "FORMAT_VALUE",
[BUILD_CONST_KEY_MAP] = "BUILD_CONST_KEY_MAP",
[BUILD_STRING] = "BUILD_STRING",
[STORE_FAST__STORE_FAST] = "STORE_FAST__STORE_FAST",
[STORE_SUBSCR_DICT] = "STORE_SUBSCR_DICT",
[STORE_SUBSCR_LIST_INT] = "STORE_SUBSCR_LIST_INT",
[UNPACK_SEQUENCE_LIST] = "UNPACK_SEQUENCE_LIST",
[UNPACK_SEQUENCE_TUPLE] = "UNPACK_SEQUENCE_TUPLE",
[LIST_EXTEND] = "LIST_EXTEND",
[SET_UPDATE] = "SET_UPDATE",
[DICT_MERGE] = "DICT_MERGE",
[DICT_UPDATE] = "DICT_UPDATE",
[UNPACK_SEQUENCE_TUPLE] = "UNPACK_SEQUENCE_TUPLE",
[UNPACK_SEQUENCE_TWO_TUPLE] = "UNPACK_SEQUENCE_TWO_TUPLE",
[SEND_GEN] = "SEND_GEN",
[168] = "<168>",
[169] = "<169>",
[170] = "<170>",
[CALL] = "CALL",
@ -512,7 +513,6 @@ static const char *const _PyOpcode_OpName[267] = {
#endif
#define EXTRA_CASES \
case 168: \
case 169: \
case 170: \
case 175: \

2
Include/internal/pycore_typeobject.h
View file

@ -142,8 +142,6 @@ PyAPI_DATA(PyTypeObject) _PyBufferWrapper_Type;
PyObject *
_PySuper_Lookup(PyTypeObject *su_type, PyObject *su_obj, PyObject *name, int *meth_found);
PyObject *
_PySuper_LookupDescr(PyTypeObject *su_type, PyObject *su_obj, PyObject *name);
#ifdef __cplusplus
}

55
Include/opcode.h generated
View file

@ -185,33 +185,34 @@ extern "C" {
#define FOR_ITER_TUPLE 63
#define FOR_ITER_RANGE 64
#define FOR_ITER_GEN 65
#define LOAD_SUPER_ATTR_METHOD 66
#define LOAD_ATTR_CLASS 67
#define LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN 70
#define LOAD_ATTR_INSTANCE_VALUE 72
#define LOAD_ATTR_MODULE 73
#define LOAD_ATTR_PROPERTY 76
#define LOAD_ATTR_SLOT 77
#define LOAD_ATTR_WITH_HINT 78
#define LOAD_ATTR_METHOD_LAZY_DICT 79
#define LOAD_ATTR_METHOD_NO_DICT 80
#define LOAD_ATTR_METHOD_WITH_VALUES 81
#define LOAD_CONST__LOAD_FAST 82
#define LOAD_FAST__LOAD_CONST 84
#define LOAD_FAST__LOAD_FAST 86
#define LOAD_GLOBAL_BUILTIN 87
#define LOAD_GLOBAL_MODULE 88
#define STORE_ATTR_INSTANCE_VALUE 111
#define STORE_ATTR_SLOT 112
#define STORE_ATTR_WITH_HINT 113
#define STORE_FAST__LOAD_FAST 153
#define STORE_FAST__STORE_FAST 154
#define STORE_SUBSCR_DICT 158
#define STORE_SUBSCR_LIST_INT 159
#define UNPACK_SEQUENCE_LIST 160
#define UNPACK_SEQUENCE_TUPLE 161
#define UNPACK_SEQUENCE_TWO_TUPLE 166
#define SEND_GEN 167
#define LOAD_SUPER_ATTR_ATTR 66
#define LOAD_SUPER_ATTR_METHOD 67
#define LOAD_ATTR_CLASS 70
#define LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN 72
#define LOAD_ATTR_INSTANCE_VALUE 73
#define LOAD_ATTR_MODULE 76
#define LOAD_ATTR_PROPERTY 77
#define LOAD_ATTR_SLOT 78
#define LOAD_ATTR_WITH_HINT 79
#define LOAD_ATTR_METHOD_LAZY_DICT 80
#define LOAD_ATTR_METHOD_NO_DICT 81
#define LOAD_ATTR_METHOD_WITH_VALUES 82
#define LOAD_CONST__LOAD_FAST 84
#define LOAD_FAST__LOAD_CONST 86
#define LOAD_FAST__LOAD_FAST 87
#define LOAD_GLOBAL_BUILTIN 88
#define LOAD_GLOBAL_MODULE 111
#define STORE_ATTR_INSTANCE_VALUE 112
#define STORE_ATTR_SLOT 113
#define STORE_ATTR_WITH_HINT 153
#define STORE_FAST__LOAD_FAST 154
#define STORE_FAST__STORE_FAST 158
#define STORE_SUBSCR_DICT 159
#define STORE_SUBSCR_LIST_INT 160
#define UNPACK_SEQUENCE_LIST 161
#define UNPACK_SEQUENCE_TUPLE 166
#define UNPACK_SEQUENCE_TWO_TUPLE 167
#define SEND_GEN 168
#define HAS_ARG(op) ((((op) >= HAVE_ARGUMENT) && (!IS_PSEUDO_OPCODE(op)))\
|| ((op) == JUMP) \

3
Lib/importlib/_bootstrap_external.py
View file

@ -443,6 +443,7 @@ _code_type = type(_write_atomic.__code__)
# Python 3.12b1 3527 (Add LOAD_SUPER_ATTR)
# Python 3.12b1 3528 (Add LOAD_SUPER_ATTR_METHOD specialization)
# Python 3.12b1 3529 (Inline list/dict/set comprehensions)
# Python 3.12b1 3530 (Shrink the LOAD_SUPER_ATTR caches)
# Python 3.13 will start with 3550
@ -459,7 +460,7 @@ _code_type = type(_write_atomic.__code__)
# Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
# in PC/launcher.c must also be updated.
MAGIC_NUMBER = (3529).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3530).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c

4
Lib/opcode.py
View file

@ -373,6 +373,7 @@ _specializations = {
"FOR_ITER_GEN",
],
"LOAD_SUPER_ATTR": [
"LOAD_SUPER_ATTR_ATTR",
"LOAD_SUPER_ATTR_METHOD",
],
"LOAD_ATTR": [
@ -450,9 +451,6 @@ _cache_format = {
},
"LOAD_SUPER_ATTR": {
"counter": 1,
"class_version": 2,
"self_type_version": 2,
"method": 4,
},
"LOAD_ATTR": {
"counter": 1,

12
Objects/typeobject.c
View file

@ -10245,18 +10245,6 @@ _PySuper_Lookup(PyTypeObject *su_type, PyObject *su_obj, PyObject *name, int *me
return res;
}
PyObject *
_PySuper_LookupDescr(PyTypeObject *su_type, PyObject *su_obj, PyObject *name)
{
PyTypeObject *su_obj_type = supercheck(su_type, su_obj);
if (su_obj_type == NULL) {
return NULL;
}
PyObject *res = _super_lookup_descr(su_type, su_obj_type, name);
Py_DECREF(su_obj_type);
return res;
}
static PyObject *
super_descr_get(PyObject *self, PyObject *obj, PyObject *type)
{

40
Python/bytecodes.c
View file

@ -1562,17 +1562,18 @@ dummy_func(
family(load_super_attr, INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR) = {
LOAD_SUPER_ATTR,
LOAD_SUPER_ATTR_ATTR,
LOAD_SUPER_ATTR_METHOD,
};
inst(LOAD_SUPER_ATTR, (unused/9, global_super, class, self -- res2 if (oparg & 1), res)) {
inst(LOAD_SUPER_ATTR, (unused/1, global_super, class, self -- res2 if (oparg & 1), res)) {
PyObject *name = GETITEM(frame->f_code->co_names, oparg >> 2);
int load_method = oparg & 1;
#if ENABLE_SPECIALIZATION
_PySuperAttrCache *cache = (_PySuperAttrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
next_instr--;
_Py_Specialize_LoadSuperAttr(global_super, class, self, next_instr, name, load_method);
_Py_Specialize_LoadSuperAttr(global_super, class, next_instr, load_method);
DISPATCH_SAME_OPARG();
}
STAT_INC(LOAD_SUPER_ATTR, deferred);
@ -1590,17 +1591,38 @@ dummy_func(
ERROR_IF(res == NULL, error);
}
inst(LOAD_SUPER_ATTR_METHOD, (unused/1, class_version/2, self_type_version/2, method/4, global_super, class, self -- res2, res)) {
inst(LOAD_SUPER_ATTR_ATTR, (unused/1, global_super, class, self -- res2 if (oparg & 1), res)) {
assert(!(oparg & 1));
DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
DEOPT_IF(((PyTypeObject *)class)->tp_version_tag != class_version, LOAD_SUPER_ATTR);
PyTypeObject *self_type = Py_TYPE(self);
DEOPT_IF(self_type->tp_version_tag != self_type_version, LOAD_SUPER_ATTR);
res2 = method;
res = self; // transfer ownership
Py_INCREF(res2);
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(frame->f_code->co_names, oparg >> 2);
res = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL);
ERROR_IF(res == NULL, error);
DECREF_INPUTS();
}
inst(LOAD_SUPER_ATTR_METHOD, (unused/1, global_super, class, self -- res2, res)) {
assert(oparg & 1);
DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(frame->f_code->co_names, oparg >> 2);
int method_found = 0;
res2 = _PySuper_Lookup((PyTypeObject *)class, self, name, &method_found);
Py_DECREF(global_super);
Py_DECREF(class);
if (res2 == NULL) {
Py_DECREF(self);
ERROR_IF(true, error);
}
if (method_found) {
res = self; // transfer ownership
} else {
Py_DECREF(self);
res = res2;
res2 = NULL;
}
}
family(load_attr, INLINE_CACHE_ENTRIES_LOAD_ATTR) = {

507
Python/generated_cases.c.h generated
View file

File diff suppressed because it is too large Load diff

11
Python/opcode_metadata.h
View file

@ -209,6 +209,8 @@ _PyOpcode_num_popped(int opcode, int oparg, bool jump) {
return 2;
case LOAD_SUPER_ATTR:
return 3;
case LOAD_SUPER_ATTR_ATTR:
return 3;
case LOAD_SUPER_ATTR_METHOD:
return 3;
case LOAD_ATTR:
@ -599,6 +601,8 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
return 0;
case LOAD_SUPER_ATTR:
return ((oparg & 1) ? 1 : 0) + 1;
case LOAD_SUPER_ATTR_ATTR:
return ((oparg & 1) ? 1 : 0) + 1;
case LOAD_SUPER_ATTR_METHOD:
return 2;
case LOAD_ATTR:
@ -783,7 +787,7 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
}
#endif
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC00, INSTR_FMT_IBC000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000, INSTR_FMT_IXC00000000 };
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC00, INSTR_FMT_IBC000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000 };
struct opcode_metadata {
bool valid_entry;
enum InstructionFormat instr_format;
@ -892,8 +896,9 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[256] = {
[DICT_UPDATE] = { true, INSTR_FMT_IB },
[DICT_MERGE] = { true, INSTR_FMT_IB },
[MAP_ADD] = { true, INSTR_FMT_IB },
[LOAD_SUPER_ATTR] = { true, INSTR_FMT_IBC00000000 },
[LOAD_SUPER_ATTR_METHOD] = { true, INSTR_FMT_IXC00000000 },
[LOAD_SUPER_ATTR] = { true, INSTR_FMT_IBC },
[LOAD_SUPER_ATTR_ATTR] = { true, INSTR_FMT_IBC },
[LOAD_SUPER_ATTR_METHOD] = { true, INSTR_FMT_IBC },
[LOAD_ATTR] = { true, INSTR_FMT_IBC00000000 },
[LOAD_ATTR_INSTANCE_VALUE] = { true, INSTR_FMT_IBC00000000 },
[LOAD_ATTR_MODULE] = { true, INSTR_FMT_IBC00000000 },

20
Python/opcode_targets.h generated
View file

@ -65,29 +65,29 @@ static void *opcode_targets[256] = {
&&TARGET_FOR_ITER_TUPLE,
&&TARGET_FOR_ITER_RANGE,
&&TARGET_FOR_ITER_GEN,
&&TARGET_LOAD_SUPER_ATTR_ATTR,
&&TARGET_LOAD_SUPER_ATTR_METHOD,
&&TARGET_LOAD_ATTR_CLASS,
&&TARGET_GET_ITER,
&&TARGET_GET_YIELD_FROM_ITER,
&&TARGET_LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN,
&&TARGET_LOAD_ATTR_CLASS,
&&TARGET_LOAD_BUILD_CLASS,
&&TARGET_LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN,
&&TARGET_LOAD_ATTR_INSTANCE_VALUE,
&&TARGET_LOAD_ATTR_MODULE,
&&TARGET_LOAD_ASSERTION_ERROR,
&&TARGET_RETURN_GENERATOR,
&&TARGET_LOAD_ATTR_MODULE,
&&TARGET_LOAD_ATTR_PROPERTY,
&&TARGET_LOAD_ATTR_SLOT,
&&TARGET_LOAD_ATTR_WITH_HINT,
&&TARGET_LOAD_ATTR_METHOD_LAZY_DICT,
&&TARGET_LOAD_ATTR_METHOD_NO_DICT,
&&TARGET_LOAD_ATTR_METHOD_WITH_VALUES,
&&TARGET_LOAD_CONST__LOAD_FAST,
&&TARGET_RETURN_VALUE,
&&TARGET_LOAD_FAST__LOAD_CONST,
&&TARGET_LOAD_CONST__LOAD_FAST,
&&TARGET_SETUP_ANNOTATIONS,
&&TARGET_LOAD_FAST__LOAD_CONST,
&&TARGET_LOAD_FAST__LOAD_FAST,
&&TARGET_LOAD_GLOBAL_BUILTIN,
&&TARGET_LOAD_GLOBAL_MODULE,
&&TARGET_POP_EXCEPT,
&&TARGET_STORE_NAME,
&&TARGET_DELETE_NAME,
@ -110,9 +110,9 @@ static void *opcode_targets[256] = {
&&TARGET_IMPORT_NAME,
&&TARGET_IMPORT_FROM,
&&TARGET_JUMP_FORWARD,
&&TARGET_LOAD_GLOBAL_MODULE,
&&TARGET_STORE_ATTR_INSTANCE_VALUE,
&&TARGET_STORE_ATTR_SLOT,
&&TARGET_STORE_ATTR_WITH_HINT,
&&TARGET_POP_JUMP_IF_FALSE,
&&TARGET_POP_JUMP_IF_TRUE,
&&TARGET_LOAD_GLOBAL,
@ -152,24 +152,24 @@ static void *opcode_targets[256] = {
&&TARGET_YIELD_VALUE,
&&TARGET_RESUME,
&&TARGET_MATCH_CLASS,
&&TARGET_STORE_ATTR_WITH_HINT,
&&TARGET_STORE_FAST__LOAD_FAST,
&&TARGET_STORE_FAST__STORE_FAST,
&&TARGET_FORMAT_VALUE,
&&TARGET_BUILD_CONST_KEY_MAP,
&&TARGET_BUILD_STRING,
&&TARGET_STORE_FAST__STORE_FAST,
&&TARGET_STORE_SUBSCR_DICT,
&&TARGET_STORE_SUBSCR_LIST_INT,
&&TARGET_UNPACK_SEQUENCE_LIST,
&&TARGET_UNPACK_SEQUENCE_TUPLE,
&&TARGET_LIST_EXTEND,
&&TARGET_SET_UPDATE,
&&TARGET_DICT_MERGE,
&&TARGET_DICT_UPDATE,
&&TARGET_UNPACK_SEQUENCE_TUPLE,
&&TARGET_UNPACK_SEQUENCE_TWO_TUPLE,
&&TARGET_SEND_GEN,
&&_unknown_opcode,
&&_unknown_opcode,
&&_unknown_opcode,
&&TARGET_CALL,
&&TARGET_KW_NAMES,
&&TARGET_CALL_INTRINSIC_1,

31
Python/specialize.c
View file

@ -323,11 +323,8 @@ _PyCode_Quicken(PyCodeObject *code)
/* Super */
#define SPEC_FAIL_SUPER_NOT_LOAD_METHOD 9
#define SPEC_FAIL_SUPER_BAD_CLASS 10
#define SPEC_FAIL_SUPER_SHADOWED 11
#define SPEC_FAIL_SUPER_NOT_METHOD 12
#define SPEC_FAIL_SUPER_ERROR_OR_NOT_FOUND 13
#define SPEC_FAIL_SUPER_BAD_CLASS 9
#define SPEC_FAIL_SUPER_SHADOWED 10
/* Attributes */
@ -516,15 +513,10 @@ specialize_module_load_attr(
/* Attribute specialization */
void
_Py_Specialize_LoadSuperAttr(PyObject *global_super, PyObject *cls, PyObject *self,
_Py_CODEUNIT *instr, PyObject *name, int load_method) {
_Py_Specialize_LoadSuperAttr(PyObject *global_super, PyObject *cls, _Py_CODEUNIT *instr, int load_method) {
assert(ENABLE_SPECIALIZATION);
assert(_PyOpcode_Caches[LOAD_SUPER_ATTR] == INLINE_CACHE_ENTRIES_LOAD_SUPER_ATTR);
_PySuperAttrCache *cache = (_PySuperAttrCache *)(instr + 1);
if (!load_method) {
SPECIALIZATION_FAIL(LOAD_SUPER_ATTR, SPEC_FAIL_SUPER_NOT_LOAD_METHOD);
goto fail;
}
if (global_super != (PyObject *)&PySuper_Type) {
SPECIALIZATION_FAIL(LOAD_SUPER_ATTR, SPEC_FAIL_SUPER_SHADOWED);
goto fail;
@ -533,23 +525,8 @@ _Py_Specialize_LoadSuperAttr(PyObject *global_super, PyObject *cls, PyObject *se
SPECIALIZATION_FAIL(LOAD_SUPER_ATTR, SPEC_FAIL_SUPER_BAD_CLASS);
goto fail;
}
PyTypeObject *tp = (PyTypeObject *)cls;
PyObject *res = _PySuper_LookupDescr(tp, self, name);
if (res == NULL) {
SPECIALIZATION_FAIL(LOAD_SUPER_ATTR, SPEC_FAIL_SUPER_ERROR_OR_NOT_FOUND);
PyErr_Clear();
goto fail;
}
if (_PyType_HasFeature(Py_TYPE(res), Py_TPFLAGS_METHOD_DESCRIPTOR)) {
write_u32(cache->class_version, tp->tp_version_tag);
write_u32(cache->self_type_version, Py_TYPE(self)->tp_version_tag);
write_obj(cache->method, res); // borrowed
instr->op.code = LOAD_SUPER_ATTR_METHOD;
Py_DECREF(res);
instr->op.code = load_method ? LOAD_SUPER_ATTR_METHOD : LOAD_SUPER_ATTR_ATTR;
goto success;
}
Py_DECREF(res);
SPECIALIZATION_FAIL(LOAD_SUPER_ATTR, SPEC_FAIL_SUPER_NOT_METHOD);
fail:
STAT_INC(LOAD_SUPER_ATTR, failure);

8
Tools/scripts/summarize_stats.py
View file

@ -226,11 +226,13 @@ def pretty(defname):
def kind_to_text(kind, defines, opname):
if kind <= 8:
return pretty(defines[kind][0])
if opname.endswith("ATTR"):
if opname == "LOAD_SUPER_ATTR":
opname = "SUPER"
elif opname.endswith("ATTR"):
opname = "ATTR"
if opname in ("FOR_ITER", "SEND"):
elif opname in ("FOR_ITER", "SEND"):
opname = "ITER"
if opname.endswith("SUBSCR"):
elif opname.endswith("SUBSCR"):
opname = "SUBSCR"
for name in defines[kind]:
if name.startswith(opname):