From 3011a097bd9500c007bd8b8d005edeea895f6b44 Mon Sep 17 00:00:00 2001 From: Mark Shannon Date: Thu, 17 Mar 2022 16:14:57 +0000 Subject: [PATCH] Use low bit of LOAD_GLOBAL's oparg to indicate whether it should push an additional NULL. (GH-31933) --- Doc/library/dis.rst | 7 +- Lib/dis.py | 8 +- Lib/importlib/_bootstrap_external.py | 3 +- Lib/test/test_dis.py | 355 +++++++++--------- .../2022-03-16-12-19-25.bpo-46329.9oS0HT.rst | 2 + Python/ceval.c | 18 +- Python/compile.c | 15 +- 7 files changed, 212 insertions(+), 196 deletions(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2022-03-16-12-19-25.bpo-46329.9oS0HT.rst diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst index 65e888dc86a..877e11b7376 100644 --- a/Doc/library/dis.rst +++ b/Doc/library/dis.rst @@ -43,7 +43,7 @@ the following command can be used to display the disassembly of 1 0 RESUME 0 2 2 PUSH_NULL - 4 LOAD_GLOBAL 0 (len) + 4 LOAD_GLOBAL 1 (NULL + len) 6 LOAD_FAST 0 (alist) 8 PRECALL 1 10 CALL 1 @@ -996,8 +996,11 @@ iterations of the loop. .. opcode:: LOAD_GLOBAL (namei) - Loads the global named ``co_names[namei]`` onto the stack. + Loads the global named ``co_names[namei>>1]`` onto the stack. + .. versionchanged:: 3.11 + If the low bit of ``namei`` is set, then a ``NULL`` is pushed to the + stack before the global variable. .. opcode:: LOAD_FAST (var_num) diff --git a/Lib/dis.py b/Lib/dis.py index 2598d4a51c6..3b7747b03ff 100644 --- a/Lib/dis.py +++ b/Lib/dis.py @@ -28,6 +28,7 @@ MAKE_FUNCTION = opmap['MAKE_FUNCTION'] MAKE_FUNCTION_FLAGS = ('defaults', 'kwdefaults', 'annotations', 'closure') LOAD_CONST = opmap['LOAD_CONST'] +LOAD_GLOBAL = opmap['LOAD_GLOBAL'] BINARY_OP = opmap['BINARY_OP'] CACHE = opmap["CACHE"] @@ -430,7 +431,12 @@ def _get_instructions_bytes(code, varname_from_oparg=None, if op in hasconst: argval, argrepr = _get_const_info(op, arg, co_consts) elif op in hasname: - argval, argrepr = _get_name_info(arg, get_name) + if op == LOAD_GLOBAL: + argval, argrepr = _get_name_info(arg//2, get_name) + if (arg & 1) and argrepr: + argrepr = "NULL + " + argrepr + else: + argval, argrepr = _get_name_info(arg, get_name) elif op in hasjabs: argval = arg*2 argrepr = "to " + repr(argval) diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py index a6f0a1b3c4c..48b55bb821f 100644 --- a/Lib/importlib/_bootstrap_external.py +++ b/Lib/importlib/_bootstrap_external.py @@ -395,6 +395,7 @@ _code_type = type(_write_atomic.__code__) # Python 3.11a5 3485 (Add an oparg to GET_AWAITABLE) # Python 3.11a6 3486 (Use inline caching for PRECALL and CALL) # Python 3.11a6 3487 (Remove the adaptive "oparg counter" mechanism) +# Python 3.11a6 3488 (LOAD_GLOBAL can push additional NULL) # Python 3.12 will start with magic number 3500 @@ -409,7 +410,7 @@ _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 = (3487).to_bytes(2, 'little') + b'\r\n' +MAGIC_NUMBER = (3488).to_bytes(2, 'little') + b'\r\n' _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c _PYCACHE = '__pycache__' diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py index 12d46af208e..16bfee188e0 100644 --- a/Lib/test/test_dis.py +++ b/Lib/test/test_dis.py @@ -105,8 +105,7 @@ def _f(a): dis_f = """\ %3d RESUME 0 -%3d PUSH_NULL - LOAD_GLOBAL 0 (print) +%3d LOAD_GLOBAL 1 (NULL + print) LOAD_FAST 0 (a) PRECALL 1 CALL 1 @@ -121,8 +120,7 @@ dis_f = """\ dis_f_co_code = """\ RESUME 0 - PUSH_NULL - LOAD_GLOBAL 0 + LOAD_GLOBAL 1 LOAD_FAST 0 PRECALL 1 CALL 1 @@ -140,8 +138,7 @@ def bug708901(): dis_bug708901 = """\ %3d RESUME 0 -%3d PUSH_NULL - LOAD_GLOBAL 0 (range) +%3d LOAD_GLOBAL 1 (NULL + range) LOAD_CONST 1 (1) %3d LOAD_CONST 2 (10) @@ -149,10 +146,10 @@ dis_bug708901 = """\ %3d PRECALL 2 CALL 2 GET_ITER - >> FOR_ITER 2 (to 42) + >> FOR_ITER 2 (to 40) STORE_FAST 0 (res) -%3d JUMP_ABSOLUTE 18 (to 36) +%3d JUMP_ABSOLUTE 17 (to 34) %3d >> LOAD_CONST 0 (None) RETURN_VALUE @@ -1154,20 +1151,19 @@ expected_opinfo_outer = [ Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=code_object_f, argrepr=repr(code_object_f), offset=14, starts_line=None, is_jump_target=False, positions=None), 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='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=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=52, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=62, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=64, starts_line=8, is_jump_target=False, positions=None), - Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=66, 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=4, argval='', argrepr="''", offset=36, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=5, 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=6, argval='Hello world!', argrepr="'Hello world!'", offset=44, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=7, argval=7, argrepr='', offset=46, 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=60, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='f', argrepr='f', offset=62, starts_line=8, is_jump_target=False, positions=None), + Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=64, starts_line=None, is_jump_target=False, positions=None), ] expected_opinfo_f = [ @@ -1184,177 +1180,166 @@ expected_opinfo_f = [ Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=code_object_inner, argrepr=repr(code_object_inner), offset=20, starts_line=None, is_jump_target=False, positions=None), 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='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=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=52, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=62, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=64, starts_line=6, is_jump_target=False, positions=None), - Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=66, 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='PRECALL', opcode=166, arg=4, argval=4, argrepr='', offset=46, 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=60, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=2, argval='inner', argrepr='inner', offset=62, starts_line=6, is_jump_target=False, positions=None), + Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=64, 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='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=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=34, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=44, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=46, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=48, starts_line=None, 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='PRECALL', opcode=166, arg=6, argval=6, argrepr='', offset=28, 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=42, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=44, starts_line=None, 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), ] + 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=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=22, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='GET_ITER', opcode=68, arg=None, argval=None, argrepr='', offset=32, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='FOR_ITER', opcode=93, arg=33, argval=102, argrepr='to 102', offset=34, starts_line=None, is_jump_target=True, positions=None), - Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=36, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=38, starts_line=4, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=40, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=52, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=54, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=58, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=68, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=70, starts_line=5, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=72, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=74, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=42, argval=84, argrepr='to 84', offset=80, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=17, argval=34, argrepr='to 34', offset=82, starts_line=6, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=84, starts_line=7, is_jump_target=True, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=86, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=88, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=50, argval=100, argrepr='to 100', offset=94, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=96, starts_line=8, is_jump_target=False, positions=None), - Instruction(opname='JUMP_FORWARD', opcode=110, arg=17, argval=134, argrepr='to 134', offset=98, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=17, argval=34, argrepr='to 34', offset=100, starts_line=7, is_jump_target=True, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=102, starts_line=10, is_jump_target=True, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=104, 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=116, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=118, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=122, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=132, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=134, starts_line=11, is_jump_target=True, positions=None), - Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=106, argval=212, argrepr='to 212', offset=136, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=138, starts_line=12, is_jump_target=True, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=140, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=152, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=154, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=158, 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='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=170, starts_line=13, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=172, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=174, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=178, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=180, starts_line=14, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=182, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=184, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=97, argval=194, argrepr='to 194', offset=190, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=67, argval=134, argrepr='to 134', offset=192, starts_line=15, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=194, starts_line=16, is_jump_target=True, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=196, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=198, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=104, argval=208, argrepr='to 208', offset=204, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_FORWARD', opcode=110, arg=18, argval=244, argrepr='to 244', offset=206, starts_line=17, is_jump_target=False, positions=None), - Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=208, starts_line=11, is_jump_target=True, positions=None), - Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=69, argval=138, argrepr='to 138', offset=210, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=212, starts_line=19, is_jump_target=True, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=214, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=6, argval='Who let lolcatz into this test suite?', argrepr="'Who let lolcatz into this test suite?'", offset=226, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=228, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=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='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=244, starts_line=20, is_jump_target=True, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=246, starts_line=21, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=248, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=250, 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_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=256, starts_line=25, is_jump_target=False, positions=None), - Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=258, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=260, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=262, starts_line=26, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=264, 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=276, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=278, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=282, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=292, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=294, starts_line=25, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=296, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=298, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=300, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=304, 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='JUMP_FORWARD', opcode=110, arg=11, argval=340, argrepr='to 340', offset=316, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=318, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=320, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=166, argval=332, argrepr='to 332', offset=322, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=324, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=326, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=328, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=330, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=332, starts_line=None, is_jump_target=True, positions=None), - Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=334, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=336, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=338, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_FORWARD', opcode=110, arg=31, argval=404, argrepr='to 404', offset=340, starts_line=None, is_jump_target=True, positions=None), - Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=342, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=2, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=344, starts_line=22, is_jump_target=False, positions=None), - Instruction(opname='JUMP_IF_NOT_EXC_MATCH', opcode=121, arg=198, argval=396, argrepr='to 396', offset=356, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=358, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=360, starts_line=23, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=362, 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=374, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=376, 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='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=392, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='JUMP_FORWARD', opcode=110, arg=22, argval=440, argrepr='to 440', offset=394, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=396, starts_line=22, is_jump_target=True, positions=None), - Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=398, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=400, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=402, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=404, starts_line=28, is_jump_target=True, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=406, 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=418, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=420, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=424, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=434, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=436, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=438, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=440, starts_line=23, is_jump_target=True, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=442, starts_line=28, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=444, 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=456, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=458, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=462, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=472, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=474, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=476, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=478, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PUSH_NULL', opcode=2, arg=None, argval=None, argrepr='', offset=480, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='LOAD_GLOBAL', opcode=116, arg=1, argval='print', argrepr='print', offset=482, 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=494, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=496, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=500, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=510, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=512, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=514, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=516, starts_line=None, is_jump_target=False, positions=None), - Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=518, starts_line=None, 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='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=16, 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=30, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='FOR_ITER', opcode=93, arg=32, argval=98, argrepr='to 98', offset=32, starts_line=None, is_jump_target=True, positions=None), + Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=34, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=36, starts_line=4, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=48, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=50, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=54, 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=5, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=68, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=70, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=40, argval=80, argrepr='to 80', offset=76, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=16, argval=32, argrepr='to 32', offset=78, starts_line=6, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=80, starts_line=7, is_jump_target=True, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=82, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=84, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=48, argval=96, argrepr='to 96', offset=90, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=92, starts_line=8, is_jump_target=False, positions=None), + Instruction(opname='JUMP_FORWARD', opcode=110, arg=16, argval=128, argrepr='to 128', offset=94, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=16, argval=32, argrepr='to 32', offset=96, starts_line=7, is_jump_target=True, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=98, starts_line=10, is_jump_target=True, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=4, argval='I can haz else clause?', argrepr="'I can haz else clause?'", offset=110, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=112, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=116, 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='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=128, starts_line=11, is_jump_target=True, positions=None), + Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=102, argval=204, argrepr='to 204', offset=130, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=132, starts_line=12, is_jump_target=True, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=144, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=146, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=150, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=160, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=162, starts_line=13, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=164, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='BINARY_OP', opcode=122, arg=23, argval=23, argrepr='-=', offset=166, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='STORE_FAST', opcode=125, arg=0, argval='i', argrepr='i', offset=170, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=172, starts_line=14, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=3, argval=6, argrepr='6', offset=174, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COMPARE_OP', opcode=107, arg=4, argval='>', argrepr='>', offset=176, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=93, argval=186, argrepr='to 186', offset=182, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_ABSOLUTE', opcode=113, arg=64, argval=128, argrepr='to 128', offset=184, starts_line=15, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=186, starts_line=16, is_jump_target=True, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=2, argval=4, argrepr='4', offset=188, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COMPARE_OP', opcode=107, arg=0, argval='<', argrepr='<', offset=190, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_JUMP_IF_FALSE', opcode=114, arg=100, argval=200, argrepr='to 200', offset=196, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_FORWARD', opcode=110, arg=17, argval=234, argrepr='to 234', offset=198, starts_line=17, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=200, starts_line=11, is_jump_target=True, positions=None), + Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=66, argval=132, argrepr='to 132', offset=202, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=204, 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=216, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=218, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=222, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=232, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=234, starts_line=20, is_jump_target=True, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=5, argval=1, argrepr='1', offset=236, starts_line=21, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=7, argval=0, argrepr='0', offset=238, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='BINARY_OP', opcode=122, arg=11, argval=11, argrepr='/', offset=240, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=244, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=246, starts_line=25, is_jump_target=False, positions=None), + Instruction(opname='BEFORE_WITH', opcode=53, arg=None, argval=None, argrepr='', offset=248, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=250, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=252, 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=264, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=266, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=270, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=280, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=282, starts_line=25, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=284, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=286, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=2, argval=2, argrepr='', offset=288, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=2, argval=2, argrepr='', offset=292, 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_FORWARD', opcode=110, arg=11, argval=328, argrepr='to 328', offset=304, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=306, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=308, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=160, argval=320, argrepr='to 320', offset=310, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=2, argval=2, argrepr='', offset=312, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=314, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=316, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=318, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=320, starts_line=None, is_jump_target=True, 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='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=324, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=326, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_FORWARD', opcode=110, arg=30, argval=390, argrepr='to 390', offset=328, starts_line=None, is_jump_target=True, positions=None), + Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=330, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=4, argval='ZeroDivisionError', argrepr='ZeroDivisionError', offset=332, starts_line=22, is_jump_target=False, positions=None), + Instruction(opname='JUMP_IF_NOT_EXC_MATCH', opcode=121, arg=191, argval=382, argrepr='to 382', offset=344, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=346, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=348, 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=360, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=362, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=366, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=376, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=378, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='JUMP_FORWARD', opcode=110, arg=21, argval=424, argrepr='to 424', offset=380, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=382, starts_line=22, is_jump_target=True, positions=None), + Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=384, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=386, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=388, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=390, 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=402, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=404, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=408, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=418, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=420, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=422, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='NOP', opcode=9, arg=None, argval=None, argrepr='', offset=424, starts_line=23, is_jump_target=True, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=426, 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=438, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=440, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=444, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=454, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_CONST', opcode=100, arg=0, argval=None, argrepr='None', offset=456, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RETURN_VALUE', opcode=83, arg=None, argval=None, argrepr='', offset=458, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PUSH_EXC_INFO', opcode=35, arg=None, argval=None, argrepr='', offset=460, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='LOAD_GLOBAL', opcode=116, arg=3, argval='print', argrepr='NULL + print', offset=462, 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=474, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='PRECALL', opcode=166, arg=1, argval=1, argrepr='', offset=476, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='CALL', opcode=171, arg=1, argval=1, argrepr='', offset=480, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=490, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=492, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='COPY', opcode=120, arg=3, argval=3, argrepr='', offset=494, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=496, starts_line=None, is_jump_target=False, positions=None), + Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=498, starts_line=None, is_jump_target=False, positions=None), ] # One last piece of inspect fodder to check the default line number handling diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-03-16-12-19-25.bpo-46329.9oS0HT.rst b/Misc/NEWS.d/next/Core and Builtins/2022-03-16-12-19-25.bpo-46329.9oS0HT.rst new file mode 100644 index 00000000000..49a1886e88b --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-03-16-12-19-25.bpo-46329.9oS0HT.rst @@ -0,0 +1,2 @@ +Use low bit of ``LOAD_GLOBAL`` to indicate whether to push a ``NULL`` before +the global. Helps streamline the call sequence a bit. diff --git a/Python/ceval.c b/Python/ceval.c index 81759ad770b..1a120bba83f 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -2947,7 +2947,9 @@ handle_eval_breaker: TARGET(LOAD_GLOBAL) { PREDICTED(LOAD_GLOBAL); - PyObject *name = GETITEM(names, oparg); + int push_null = oparg & 1; + PEEK(0) = NULL; + PyObject *name = GETITEM(names, oparg>>1); PyObject *v; if (PyDict_CheckExact(GLOBALS()) && PyDict_CheckExact(BUILTINS())) @@ -2970,7 +2972,6 @@ handle_eval_breaker: /* Slow-path if globals or builtins is not a dict */ /* namespace 1: globals */ - name = GETITEM(names, oparg); v = PyObject_GetItem(GLOBALS(), name); if (v == NULL) { if (!_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) { @@ -2992,6 +2993,7 @@ handle_eval_breaker: } /* Skip over inline cache */ JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL); + STACK_GROW(push_null); PUSH(v); DISPATCH(); } @@ -3000,7 +3002,7 @@ handle_eval_breaker: assert(cframe.use_tracing == 0); _PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr; if (cache->counter == 0) { - PyObject *name = GETITEM(names, oparg); + PyObject *name = GETITEM(names, oparg>>1); next_instr--; if (_Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name) < 0) { goto error; @@ -3025,10 +3027,13 @@ handle_eval_breaker: PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(dict->ma_keys); PyObject *res = entries[cache->index].me_value; DEOPT_IF(res == NULL, LOAD_GLOBAL); + int push_null = oparg & 1; + PEEK(0) = NULL; JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL); STAT_INC(LOAD_GLOBAL, hit); + STACK_GROW(push_null+1); Py_INCREF(res); - PUSH(res); + SET_TOP(res); NOTRACE_DISPATCH(); } @@ -3047,10 +3052,13 @@ handle_eval_breaker: PyDictUnicodeEntry *entries = DK_UNICODE_ENTRIES(bdict->ma_keys); PyObject *res = entries[cache->index].me_value; DEOPT_IF(res == NULL, LOAD_GLOBAL); + int push_null = oparg & 1; + PEEK(0) = NULL; JUMPBY(INLINE_CACHE_ENTRIES_LOAD_GLOBAL); STAT_INC(LOAD_GLOBAL, hit); + STACK_GROW(push_null+1); Py_INCREF(res); - PUSH(res); + SET_TOP(res); NOTRACE_DISPATCH(); } diff --git a/Python/compile.c b/Python/compile.c index ac9ddbcd79d..950c44a749f 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -1000,7 +1000,7 @@ stack_effect(int opcode, int oparg, int jump) return -1; case LOAD_GLOBAL: - return 1; + return (oparg & 1) + 1; /* Exception handling pseudo-instructions */ case SETUP_FINALLY: @@ -4185,8 +4185,12 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx) assert(op); arg = compiler_add_o(dict, mangled); Py_DECREF(mangled); - if (arg < 0) + if (arg < 0) { return 0; + } + if (op == LOAD_GLOBAL) { + arg <<= 1; + } return compiler_addop_i(c, op, arg); } @@ -8812,6 +8816,13 @@ optimize_basic_block(struct compiler *c, basicblock *bb, PyObject *consts) break; case KW_NAMES: break; + case PUSH_NULL: + if (nextop == LOAD_GLOBAL && (inst[1].i_opcode & 1) == 0) { + inst->i_opcode = NOP; + inst->i_oparg = 0; + inst[1].i_oparg |= 1; + } + break; default: /* All HAS_CONST opcodes should be handled with LOAD_CONST */ assert (!HAS_CONST(inst->i_opcode));