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GH-90997: Shrink the LOAD_GLOBAL caches (#102569)

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Brandt Bucher 2023-03-10 17:01:16 -08:00 committed by GitHub
parent 767d3a8f6f
commit 08b67fb34f
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11 changed files with 187 additions and 172 deletions
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6
Doc/library/dis.rst
View File

@ -57,9 +57,9 @@ the following command can be used to display the disassembly of
2 0 RESUME 0
<BLANKLINE>
3 2 LOAD_GLOBAL 1 (NULL + len)
14 LOAD_FAST 0 (alist)
16 CALL 1
26 RETURN_VALUE
12 LOAD_FAST 0 (alist)
14 CALL 1
24 RETURN_VALUE
(The "2" is a line number).

2
Include/internal/pycore_code.h
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@ -20,7 +20,7 @@ extern "C" {
typedef struct {
uint16_t counter;
uint16_t index;
uint16_t module_keys_version[2];
uint16_t module_keys_version;
uint16_t builtin_keys_version;
} _PyLoadGlobalCache;

2
Include/internal/pycore_opcode.h generated
View File

@ -48,7 +48,7 @@ const uint8_t _PyOpcode_Caches[256] = {
[STORE_ATTR] = 4,
[LOAD_ATTR] = 9,
[COMPARE_OP] = 1,
[LOAD_GLOBAL] = 5,
[LOAD_GLOBAL] = 4,
[BINARY_OP] = 1,
[SEND] = 1,
[COMPARE_AND_BRANCH] = 1,

13
Lib/importlib/_bootstrap_external.py
View File

@ -431,12 +431,17 @@ _code_type = type(_write_atomic.__code__)
# Python 3.12a5 3515 (Embed jump mask in COMPARE_OP oparg)
# Python 3.12a5 3516 (Add COMPARE_AND_BRANCH instruction)
# Python 3.12a5 3517 (Change YIELD_VALUE oparg to exception block depth)
# Python 3.12a5 3518 (Add RETURN_CONST instruction)
# Python 3.12a5 3519 (Modify SEND instruction)
# Python 3.12a5 3520 (Remove PREP_RERAISE_STAR, add CALL_INTRINSIC_2)
# Python 3.12a6 3518 (Add RETURN_CONST instruction)
# Python 3.12a6 3519 (Modify SEND instruction)
# Python 3.12a6 3520 (Remove PREP_RERAISE_STAR, add CALL_INTRINSIC_2)
# Python 3.12a7 3521 (Shrink the LOAD_GLOBAL caches)
# Python 3.13 will start with 3550
# Please don't copy-paste the same pre-release tag for new entries above!!!
# You should always use the *upcoming* tag. For example, if 3.12a6 came out
# a week ago, I should put "Python 3.12a7" next to my new magic number.
# MAGIC must change whenever the bytecode emitted by the compiler may no
# longer be understood by older implementations of the eval loop (usually
# due to the addition of new opcodes).
@ -446,7 +451,7 @@ _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 = (3520).to_bytes(2, 'little') + b'\r\n'
MAGIC_NUMBER = (3521).to_bytes(2, 'little') + b'\r\n'
_RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c

2
Lib/opcode.py
View File

@ -390,7 +390,7 @@ _cache_format = {
"LOAD_GLOBAL": {
"counter": 1,
"index": 1,
"module_keys_version": 2,
"module_keys_version": 1,
"builtin_keys_version": 1,
},
"BINARY_OP": {

292
Lib/test/test_dis.py
View File

@ -138,10 +138,10 @@ dis_bug708901 = """\
%3d CALL 2
GET_ITER
>> FOR_ITER 2 (to 38)
>> FOR_ITER 2 (to 36)
STORE_FAST 0 (res)
%3d JUMP_BACKWARD 4 (to 30)
%3d JUMP_BACKWARD 4 (to 28)
%3d >> END_FOR
RETURN_CONST 0 (None)
@ -354,7 +354,7 @@ dis_traceback = """\
%3d LOAD_GLOBAL 0 (Exception)
CHECK_EXC_MATCH
POP_JUMP_IF_FALSE 23 (to 82)
POP_JUMP_IF_FALSE 23 (to 80)
STORE_FAST 0 (e)
%3d LOAD_FAST 0 (e)
@ -730,14 +730,14 @@ dis_loop_test_quickened_code = """\
LOAD_CONST 2 (3)
BINARY_OP 5 (*)
GET_ITER
>> FOR_ITER_LIST 15 (to 50)
>> FOR_ITER_LIST 14 (to 48)
STORE_FAST 0 (i)
%3d LOAD_GLOBAL_MODULE 1 (NULL + load_test)
LOAD_FAST 0 (i)
CALL_PY_WITH_DEFAULTS 1
POP_TOP
JUMP_BACKWARD 17 (to 16)
JUMP_BACKWARD 16 (to 16)
%3d >> END_FOR
RETURN_CONST 0 (None)
@ -1189,8 +1189,8 @@ class DisTests(DisTestBase):
caches = list(self.get_cached_values(quickened, adaptive))
for cache in caches:
self.assertRegex(cache, pattern)
total_caches = 23
empty_caches = 8
total_caches = 22
empty_caches = 7
self.assertEqual(caches.count(""), empty_caches)
self.assertEqual(len(caches), total_caches)
@ -1483,17 +1483,17 @@ expected_opinfo_outer = [
Instruction(opname='MAKE_FUNCTION', opcode=132, arg=9, argval=9, argrepr='defaults, closure', offset=16, starts_line=None, is_jump_target=False, positions=None),
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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='NULL + print', offset=20, starts_line=7, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='a', argrepr='a', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='b', argrepr='b', offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval='', argrepr="''", offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=1, argrepr='1', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_LIST', opcode=103, arg=0, argval=0, argrepr='', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_MAP', opcode=105, arg=0, argval=0, argrepr='', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='Hello world!', argrepr="'Hello world!'", offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=7, argval=7, argrepr='', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=56, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=58, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=60, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='a', argrepr='a', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='b', argrepr='b', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval='', argrepr="''", offset=34, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=1, argrepr='1', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_LIST', opcode=103, arg=0, argval=0, argrepr='', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BUILD_MAP', opcode=105, arg=0, argval=0, argrepr='', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='Hello world!', argrepr="'Hello world!'", offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=7, argval=7, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=54, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=56, starts_line=8, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=58, starts_line=None, is_jump_target=False, positions=None),
]
expected_opinfo_f = [
@ -1511,145 +1511,145 @@ expected_opinfo_f = [
Instruction(opname='MAKE_FUNCTION', opcode=132, arg=9, argval=9, argrepr='defaults, closure', offset=22, starts_line=None, is_jump_target=False, positions=None),
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='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='NULL + print', offset=26, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='a', argrepr='a', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='b', argrepr='b', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='c', argrepr='c', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='d', argrepr='d', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=4, argval=4, argrepr='', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=56, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=58, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=60, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='a', argrepr='a', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='b', argrepr='b', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=0, argval='c', argrepr='c', offset=40, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=1, argval='d', argrepr='d', offset=42, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=4, argval=4, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=54, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=56, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=58, starts_line=None, is_jump_target=False, positions=None),
]
expected_opinfo_inner = [
Instruction(opname='COPY_FREE_VARS', opcode=149, arg=4, argval=4, argrepr='', offset=0, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RESUME', opcode=151, arg=0, argval=0, argrepr='', offset=2, starts_line=3, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='NULL + print', offset=4, starts_line=4, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=2, argval='a', argrepr='a', offset=16, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='b', argrepr='b', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='c', argrepr='c', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=5, argval='d', argrepr='d', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='e', argrepr='e', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=1, argval='f', argrepr='f', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=6, argval=6, argrepr='', offset=28, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=38, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_CONST', opcode=121, arg=0, argval=None, argrepr='None', offset=40, starts_line=None, is_jump_target=False, positions=None)
Instruction(opname='LOAD_DEREF', opcode=137, arg=2, argval='a', argrepr='a', offset=14, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=3, argval='b', argrepr='b', offset=16, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=4, argval='c', argrepr='c', offset=18, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_DEREF', opcode=137, arg=5, argval='d', argrepr='d', offset=20, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='e', argrepr='e', offset=22, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=1, argval='f', argrepr='f', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=6, argval=6, argrepr='', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=36, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_CONST', opcode=121, arg=0, argval=None, argrepr='None', 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='LOAD_GLOBAL', opcode=116, arg=1, argval='range', argrepr='NULL + range', offset=2, starts_line=3, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=1, argval=10, argrepr='10', offset=14, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=16, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=26, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='FOR_ITER', opcode=93, arg=28, argval=88, argrepr='to 88', offset=28, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=32, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=34, starts_line=4, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=46, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=48, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=58, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=60, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=62, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=13, argval='<', argrepr='<', offset=64, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=72, argrepr='to 72', offset=68, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=22, argval=28, argrepr='to 28', offset=70, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=72, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=74, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=68, argval='>', argrepr='>', offset=76, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=1, argval=84, argrepr='to 84', offset=80, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=28, argval=28, argrepr='to 28', offset=82, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=84, starts_line=8, is_jump_target=True, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=14, argval=116, argrepr='to 116', offset=86, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='END_FOR', opcode=4, arg=None, argval=None, argrepr='', offset=88, starts_line=3, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=90, starts_line=10, 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=102, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=104, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=114, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST_CHECK', opcode=127, arg=0, argval='i', argrepr='i', offset=116, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=33, argval=186, argrepr='to 186', offset=118, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=120, starts_line=12, is_jump_target=True, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=132, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=134, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=144, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=146, starts_line=13, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=148, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=150, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=154, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=156, starts_line=14, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=158, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=75, argval='>', argrepr='>', offset=160, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=168, argrepr='to 168', offset=164, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=26, argval=116, argrepr='to 116', offset=166, starts_line=15, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=168, starts_line=16, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=170, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=13, argval='<', argrepr='<', offset=172, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=180, argrepr='to 180', offset=176, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=16, argval=212, argrepr='to 212', offset=178, starts_line=17, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=180, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=186, argrepr='to 186', offset=182, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=33, argval=120, argrepr='to 120', offset=184, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=186, starts_line=19, is_jump_target=True, 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=198, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=200, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=210, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=212, starts_line=20, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=214, starts_line=21, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=216, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=218, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=222, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=224, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=226, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=228, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=230, starts_line=26, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Never reach this', argrepr="'Never reach this'", offset=242, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, 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=254, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=256, starts_line=25, 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='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=260, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=262, 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='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=274, starts_line=28, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=286, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=288, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=298, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_CONST', opcode=121, arg=0, argval=None, argrepr='None', offset=300, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=302, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=304, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=1, argval=310, argrepr='to 310', offset=306, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=308, 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=True, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=314, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=316, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=23, argval=274, argrepr='to 274', offset=318, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=320, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=322, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=324, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=326, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=4, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=328, starts_line=22, is_jump_target=False, positions=None),
Instruction(opname='CHECK_EXC_MATCH', opcode=36, arg=None, argval=None, argrepr='', offset=340, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=16, argval=376, argrepr='to 376', offset=342, 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_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=346, starts_line=23, 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=358, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=360, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=370, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=372, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=51, argval=274, argrepr='to 274', offset=374, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=376, starts_line=22, is_jump_target=True, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=378, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=380, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=382, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=384, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=386, starts_line=28, 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=398, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=400, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=410, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=412, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=414, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=416, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=418, starts_line=None, is_jump_target=False, positions=None)
Instruction(opname='LOAD_CONST', opcode=100, arg=1, argval=10, argrepr='10', offset=12, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=14, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=24, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='FOR_ITER', opcode=93, arg=27, argval=84, argrepr='to 84', offset=26, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=30, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=32, starts_line=4, 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='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=54, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=56, starts_line=5, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=58, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=13, argval='<', argrepr='<', offset=60, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=68, argrepr='to 68', offset=64, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=21, argval=26, argrepr='to 26', offset=66, starts_line=6, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=68, starts_line=7, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=70, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=68, argval='>', argrepr='>', offset=72, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=1, argval=80, argrepr='to 80', offset=76, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=27, argval=26, argrepr='to 26', 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=8, is_jump_target=True, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=13, argval=110, argrepr='to 110', offset=82, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='END_FOR', opcode=4, arg=None, argval=None, argrepr='', offset=84, starts_line=3, is_jump_target=True, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=86, starts_line=10, 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='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=98, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=108, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST_CHECK', opcode=127, arg=0, argval='i', argrepr='i', offset=110, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=32, argval=178, argrepr='to 178', offset=112, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=114, starts_line=12, is_jump_target=True, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=124, 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=136, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=138, starts_line=13, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=140, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=142, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=146, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=148, starts_line=14, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=150, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=75, argval='>', argrepr='>', offset=152, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=160, argrepr='to 160', offset=156, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=25, argval=110, argrepr='to 110', offset=158, starts_line=15, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=160, starts_line=16, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=162, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COMPARE_AND_BRANCH', opcode=141, arg=13, argval='<', argrepr='<', offset=164, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=172, argrepr='to 172', offset=168, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=15, argval=202, argrepr='to 202', offset=170, starts_line=17, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=172, starts_line=11, is_jump_target=True, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=1, argval=178, argrepr='to 178', offset=174, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=32, argval=114, argrepr='to 114', offset=176, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=178, starts_line=19, is_jump_target=True, 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=188, 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=200, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=202, starts_line=20, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=204, starts_line=21, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=206, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=208, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=212, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=214, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=216, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=218, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=220, starts_line=26, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=8, argval='Never reach this', argrepr="'Never reach this'", offset=230, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=232, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=242, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=244, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=246, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=248, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=250, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=260, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=262, starts_line=28, is_jump_target=True, positions=None),
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=272, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=274, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=284, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RETURN_CONST', opcode=121, arg=0, argval=None, argrepr='None', offset=286, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=288, starts_line=25, is_jump_target=False, positions=None),
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=290, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=1, argval=296, argrepr='to 296', offset=292, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=294, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=296, starts_line=None, is_jump_target=True, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=298, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=300, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=302, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=22, argval=262, argrepr='to 262', offset=304, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=306, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=308, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=310, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=312, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=4, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=314, starts_line=22, is_jump_target=False, positions=None),
Instruction(opname='CHECK_EXC_MATCH', opcode=36, arg=None, argval=None, argrepr='', offset=324, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=15, argval=358, argrepr='to 358', 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_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=330, starts_line=23, 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=340, 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=352, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=354, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='JUMP_BACKWARD', opcode=140, arg=48, argval=262, argrepr='to 262', offset=356, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=358, starts_line=22, is_jump_target=True, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=360, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=362, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=364, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=366, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=368, starts_line=28, 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='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=380, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=390, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=392, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=394, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=396, starts_line=None, is_jump_target=False, positions=None),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=398, starts_line=None, is_jump_target=False, positions=None),
]
# One last piece of inspect fodder to check the default line number handling

2
Misc/NEWS.d/next/Core and Builtins/2023-03-09-13-57-35.gh-issue-90997.J-Yhn2.rst Normal file
View File

@ -0,0 +1,2 @@
Shrink the number of inline :opcode:`CACHE` entries used by
:opcode:`LOAD_GLOBAL`.

6
Python/bytecodes.c
View File

@ -1078,7 +1078,7 @@ dummy_func(
LOAD_GLOBAL_BUILTIN,
};
inst(LOAD_GLOBAL, (unused/1, unused/1, unused/2, unused/1 -- null if (oparg & 1), v)) {
inst(LOAD_GLOBAL, (unused/1, unused/1, unused/1, unused/1 -- null if (oparg & 1), v)) {
#if ENABLE_SPECIALIZATION
_PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
@ -1133,7 +1133,7 @@ dummy_func(
null = NULL;
}
inst(LOAD_GLOBAL_MODULE, (unused/1, index/1, version/2, unused/1 -- null if (oparg & 1), res)) {
inst(LOAD_GLOBAL_MODULE, (unused/1, index/1, version/1, unused/1 -- null if (oparg & 1), res)) {
assert(cframe.use_tracing == 0);
DEOPT_IF(!PyDict_CheckExact(GLOBALS()), LOAD_GLOBAL);
PyDictObject *dict = (PyDictObject *)GLOBALS();
@ -1147,7 +1147,7 @@ dummy_func(
null = NULL;
}
inst(LOAD_GLOBAL_BUILTIN, (unused/1, index/1, mod_version/2, bltn_version/1 -- null if (oparg & 1), res)) {
inst(LOAD_GLOBAL_BUILTIN, (unused/1, index/1, mod_version/1, bltn_version/1 -- null if (oparg & 1), res)) {
assert(cframe.use_tracing == 0);
DEOPT_IF(!PyDict_CheckExact(GLOBALS()), LOAD_GLOBAL);
DEOPT_IF(!PyDict_CheckExact(BUILTINS()), LOAD_GLOBAL);

14
Python/generated_cases.c.h generated
View File

@ -1349,7 +1349,7 @@
TARGET(LOAD_GLOBAL) {
PREDICTED(LOAD_GLOBAL);
static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 5, "incorrect cache size");
static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size");
PyObject *null = NULL;
PyObject *v;
#if ENABLE_SPECIALIZATION
@ -1408,7 +1408,7 @@
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = v;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
next_instr += 5;
next_instr += 4;
DISPATCH();
}
@ -1416,7 +1416,7 @@
PyObject *null = NULL;
PyObject *res;
uint16_t index = read_u16(&next_instr[1].cache);
uint32_t version = read_u32(&next_instr[2].cache);
uint16_t version = read_u16(&next_instr[2].cache);
assert(cframe.use_tracing == 0);
DEOPT_IF(!PyDict_CheckExact(GLOBALS()), LOAD_GLOBAL);
PyDictObject *dict = (PyDictObject *)GLOBALS();
@ -1432,7 +1432,7 @@
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
next_instr += 5;
next_instr += 4;
DISPATCH();
}
@ -1440,8 +1440,8 @@
PyObject *null = NULL;
PyObject *res;
uint16_t index = read_u16(&next_instr[1].cache);
uint32_t mod_version = read_u32(&next_instr[2].cache);
uint16_t bltn_version = read_u16(&next_instr[4].cache);
uint16_t mod_version = read_u16(&next_instr[2].cache);
uint16_t bltn_version = read_u16(&next_instr[3].cache);
assert(cframe.use_tracing == 0);
DEOPT_IF(!PyDict_CheckExact(GLOBALS()), LOAD_GLOBAL);
DEOPT_IF(!PyDict_CheckExact(BUILTINS()), LOAD_GLOBAL);
@ -1460,7 +1460,7 @@
STACK_GROW(((oparg & 1) ? 1 : 0));
stack_pointer[-1] = res;
if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
next_instr += 5;
next_instr += 4;
DISPATCH();
}

8
Python/opcode_metadata.h
View File

@ -708,7 +708,7 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
#endif
enum Direction { DIR_NONE, DIR_READ, DIR_WRITE };
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC0, INSTR_FMT_IBC000, INSTR_FMT_IBC0000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000 };
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC0, INSTR_FMT_IBC000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000 };
struct opcode_metadata {
enum Direction dir_op1;
enum Direction dir_op2;
@ -790,9 +790,9 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[256] = {
[STORE_GLOBAL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[DELETE_GLOBAL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[LOAD_NAME] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[LOAD_GLOBAL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC0000 },
[LOAD_GLOBAL_MODULE] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC0000 },
[LOAD_GLOBAL_BUILTIN] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC0000 },
[LOAD_GLOBAL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC000 },
[LOAD_GLOBAL_MODULE] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC000 },
[LOAD_GLOBAL_BUILTIN] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBC000 },
[DELETE_FAST] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[MAKE_CELL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[DELETE_DEREF] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },

12
Python/specialize.c
View File

@ -1148,8 +1148,12 @@ _Py_Specialize_LoadGlobal(
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
if (keys_version != (uint16_t)keys_version) {
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_RANGE);
goto fail;
}
cache->index = (uint16_t)index;
write_u32(cache->module_keys_version, keys_version);
cache->module_keys_version = (uint16_t)keys_version;
instr->op.code = LOAD_GLOBAL_MODULE;
goto success;
}
@ -1177,6 +1181,10 @@ _Py_Specialize_LoadGlobal(
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_VERSIONS);
goto fail;
}
if (globals_version != (uint16_t)globals_version) {
SPECIALIZATION_FAIL(LOAD_GLOBAL, SPEC_FAIL_OUT_OF_RANGE);
goto fail;
}
uint32_t builtins_version = _PyDictKeys_GetVersionForCurrentState(
interp, builtin_keys);
if (builtins_version == 0) {
@ -1188,7 +1196,7 @@ _Py_Specialize_LoadGlobal(
goto fail;
}
cache->index = (uint16_t)index;
write_u32(cache->module_keys_version, globals_version);
cache->module_keys_version = (uint16_t)globals_version;
cache->builtin_keys_version = (uint16_t)builtins_version;
instr->op.code = LOAD_GLOBAL_BUILTIN;
goto success;