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* bpo-46329: Split calls into precall and call instructions. (GH-30855)Mark Shannon2022-01-281-5/+13
| | | | | | | | | | | | | | * Add PRECALL_FUNCTION opcode. * Move 'call shape' varaibles into struct. * Replace CALL_NO_KW and CALL_KW with KW_NAMES and CALL instructions. * Specialize for builtin methods taking using the METH_FASTCALL | METH_KEYWORDS protocol. * Allow kwnames for specialized calls to builtin types. * Specialize calls to tuple(arg) and str(arg).
* bpo-46528: Simplify the VM's stack manipulations (GH-30902)Brandt Bucher2022-01-261-6/+1
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* bpo-43683: Streamline YIELD_VALUE and SEND (GH-30723)Mark Shannon2022-01-241-1/+1
| | | | | | | | * Split YIELD_VALUE into ASYNC_GEN_WRAP; YIELD_VALUE for async generators. * Split SEND into SEND; YIELD_VALUE. * Document new opcodes.
* bpo-46409: Make generators in bytecode (GH-30633)Mark Shannon2022-01-201-1/+2
| | | | | | | | | | | | * Add RETURN_GENERATOR and JUMP_NO_INTERRUPT opcodes. * Trim frame and generator by word each. * Minor refactor of frame.c * Update test.test_sys to account for smaller frames. * Treat generator functions as normal functions when evaluating and specializing.
* bpo-45923: Handle call events in bytecode (GH-30364)Mark Shannon2022-01-061-0/+1
| | | | * Add a RESUME instruction to handle "call" events.
* bpo-46031: add POP_JUMP_IF_NOT_NONE and POP_JUMP_IF_NONE (GH-30019)penguin_wwy2022-01-061-2/+2
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* bpo-46009: Remove GEN_START (GH-30367)Brandt Bucher2022-01-041-1/+0
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* bpo-46202: Remove opcode POP_EXCEPT_AND_RERAISE (GH-30302)Irit Katriel2022-01-041-2/+0
| | | | | | * bpo-46202: remove opcode POP_EXCEPT_AND_RERAISE * do not assume that an exception group is truthy
* bpo-46072: Add top level stats struct (GH-30169)Mark Shannon2021-12-171-3/+2
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* bpo-44525: Specialize for calls to type and other builtin classes with 1 ↵Mark Shannon2021-12-151-0/+2
| | | | argument. (GH-29942)
* bpo-46039: Split yield from in two (GH-30035)Mark Shannon2021-12-151-2/+2
| | | | | | * Split YIELD_FROM opcode into SEND and JUMP_ABSOLUTE. * Remove YIELD_FROM opcode.
* bpo-44525: Split calls into PRECALL and CALL (GH-30011)Mark Shannon2021-12-141-10/+15
| | | | | | | | | | * Add 3 new opcodes for calls: PRECALL_METHOD, CALL_NO_KW, CALL_KW. * Update specialization to handle new CALL opcodes. * Specialize call to method descriptors. * Remove old CALL opcodes: CALL_FUNCTION, CALL_METHOD, CALL_METHOD_KW, CALL_FUNCTION_KW.
* bpo-45292: [PEP-654] add except* (GH-29581)Irit Katriel2021-12-141-0/+3
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* bpo-45885: Specialize COMPARE_OP (GH-29734)Dennis Sweeney2021-12-031-0/+4
| | | | | | | * Add COMPARE_OP_ADAPTIVE adaptive instruction. * Add COMPARE_OP_FLOAT_JUMP, COMPARE_OP_INT_JUMP and COMPARE_OP_STR_JUMP specialized instructions. * Introduce and use _PyUnicode_Equal
* bpo-44525: Copy free variables in bytecode to allow calls to inner functions ↵Mark Shannon2021-11-231-0/+1
| | | | | | | | | | | to be specialized (GH-29595) * Make internal APIs that take PyFrameConstructor take a PyFunctionObject instead. * Add reference to function to frame, borrow references to builtins and globals. * Add COPY_FREE_VARS instruction to allow specialization of calls to inner functions.
* bpo-45609: Specialize STORE_SUBSCR (GH-29242)Dennis Sweeney2021-11-191-0/+3
| | | | | * Specialize STORE_SUBSCR for list[int], and dict[object] * Adds _PyDict_SetItem_Take2 which consumes references to the key and values.
* bpo-45829: Specialize BINARY_SUBSCR for __getitem__ implemented in Python. ↵Mark Shannon2021-11-181-0/+1
| | | | (GH-29592)
* bpo-45510: Specialize BINARY_SUBTRACT (GH-29523)Dong-hee Na2021-11-181-0/+2
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* bpo-45636: Merge all numeric operators (GH-29482)Brandt Bucher2021-11-111-36/+39
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* bpo-44511: Improve the bytecode for class and mapping patterns (GH-26922)Brandt Bucher2021-10-271-2/+2
| | | | | | | * Refactor mapping patterns and speed up class patterns. * Simplify MATCH_KEYS and MATCH_CLASS. * Add COPY opcode.
* bpo-44525: Specialize simple Python calls. (GH-29033)Mark Shannon2021-10-201-0/+1
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* bpo-44525: Specialize ``CALL_FUNCTION`` for C function calls (GH-26934)Ken Jin2021-10-191-0/+5
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* bpo-45367: Specialize BINARY_MULTIPLY (GH-28727)Dennis Sweeney2021-10-141-0/+3
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* bpo-45340: Don't create object dictionaries unless actually needed (GH-28802)Mark Shannon2021-10-131-2/+3
| | | | | | | | | | | | | | * Never change types' cached keys. It could invalidate inline attribute objects. * Lazily create object dictionaries. * Update specialization of LOAD/STORE_ATTR. * Don't update shared keys version for deletion of value. * Update gdb support to handle instance values. * Rename SPLIT_KEYS opcodes to INSTANCE_VALUE.
* bpo-44945: Specialize BINARY_ADD (GH-27967)Mark Shannon2021-08-271-0/+5
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* bpo-44889: Specialize LOAD_METHOD with PEP 659 adaptive interpreter (GH-27722)Ken Jin2021-08-171-0/+4
| | | | | | | | Adds four new instructions: * LOAD_METHOD_ADAPTIVE * LOAD_METHOD_CACHED * LOAD_METHOD_MODULE * LOAD_METHOD_CLASS
* bpo-44900: Add five superinstructions. (GH-27741)Mark Shannon2021-08-161-1/+6
| | | | | | | | * LOAD_FAST LOAD_FAST * STORE_FAST LOAD_FAST * LOAD_FAST LOAD_CONST * LOAD_CONST LOAD_FAST * STORE_FAST STORE_FAST
* bpo-44826: Specialize STORE_ATTR (GH-27590)Mark Shannon2021-08-091-0/+4
| | | | | | | * Generalize cache names for LOAD_ATTR to allow store and delete specializations. * Factor out specialization of attribute dictionary access. * Specialize STORE_ATTR.
* bpo-44725 : expose specialization stats in python (GH-27192)Irit Katriel2021-07-291-0/+10
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* bpo-26280: Port BINARY_SUBSCR to PEP 659 adaptive interpreter (GH-27043)Irit Katriel2021-07-151-0/+4
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* bpo-44338: Port LOAD_GLOBAL to PEP 659 adaptive interpreter (GH-26638)Mark Shannon2021-06-141-0/+3
| | | | | | | | | | * Add specializations of LOAD_GLOBAL. * Add more stats. * Remove old opcache; it is no longer used. * Add NEWS
* bpo-44337: Port LOAD_ATTR to PEP 659 adaptive interpreter (GH-26595)Mark Shannon2021-06-101-0/+9
| | | | | | | | | | | | | | * Specialize LOAD_ATTR with LOAD_ATTR_SLOT and LOAD_ATTR_SPLIT_KEYS * Move dict-common.h to internal/pycore_dict.h * Add LOAD_ATTR_WITH_HINT specialized opcode. * Quicken in function if loopy * Specialize LOAD_ATTR for module attributes. * Add specialization stats
* bpo-43693: Un-revert commit f3fa63e. (#26609)Eric Snow2021-06-081-4/+6
| | | | | | | | | This was reverted in GH-26596 (commit 6d518bb) due to some bad memory accesses. * Add the MAKE_CELL opcode. (gh-26396) The memory accesses have been fixed. https://bugs.python.org/issue43693
* Revert "bpo-43693: Add the MAKE_CELL opcode and interleave fast locals ↵Pablo Galindo2021-06-081-6/+4
| | | | | offsets. (gh-26396)" (GH-26597) This reverts commit 631f9938b1604d4f893417ec339b9e0fa9196fb1.
* bpo-43693: Add the MAKE_CELL opcode and interleave fast locals offsets. ↵Eric Snow2021-06-071-4/+6
| | | | | | | (gh-26396) This moves logic out of the frame initialization code and into the compiler and eval loop. Doing so simplifies the runtime code and allows us to optimize it better. https://bugs.python.org/issue43693
* bpo-26110: Add ``CALL_METHOD_KW`` opcode to speedup method calls with ↵Ken Jin2021-05-151-0/+1
| | | | | | | | | keywords (GH-26014) * Add CALL_METHOD_KW * Make CALL_METHOD branchless too since it shares the same code * Place parentheses in STACK_SHRINK
* bpo-40222: "Zero cost" exception handling (GH-25729)Mark Shannon2021-05-071-4/+5
| | | | | | | | "Zero cost" exception handling. * Uses a lookup table to determine how to handle exceptions. * Removes SETUP_FINALLY and POP_TOP block instructions, eliminating (most of) the runtime overhead of try statements. * Reduces the size of the frame object by about 60%.
* bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)Brandt Bucher2021-05-021-1/+1
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* bpo-43683: Handle generator entry in bytecode (GH-25138)Mark Shannon2021-04-061-0/+1
| | | | | | * Handle check for sending None to starting generator and coroutine into bytecode. * Document new bytecode and make it fail gracefully if mis-compiled.
* bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)Brandt Bucher2021-02-261-12/+10
| | | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Talin <viridia@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-42246: Make sure that `f_lasti`, and thus `f_lineno`, is set correctly ↵Mark Shannon2020-12-171-1/+1
| | | | | | | | | after raising or reraising an exception (GH-23803) * Ensure that f_lasti is set correctly after an exception is raised to conform to PEP 626. * Update importlib * Add NEWS.
* bpo-39320: Handle unpacking of **values in compiler (GH-18141)Mark Shannon2020-01-271-3/+2
| | | | | | | | | | | | | * Add DICT_UPDATE and DICT_MERGE bytecodes. Use them for ** unpacking. * Remove BUILD_MAP_UNPACK and BUILD_MAP_UNPACK_WITH_CALL, as they are now unused. * Update magic number for ** unpacking opcodes. * Update dis.rst to incorporate new bytecodes. * Add blurb entry.
* bpo-39320: Handle unpacking of *values in compiler (GH-17984)Mark Shannon2020-01-231-4/+4
| | | | | | | | * Add three new bytecodes: LIST_TO_TUPLE, LIST_EXTEND, SET_UPDATE. Use them to implement star unpacking expressions. * Remove four bytecodes BUILD_LIST_UNPACK, BUILD_TUPLE_UNPACK, BUILD_SET_UNPACK and BUILD_TUPLE_UNPACK_WITH_CALL opcodes as they are now unused. * Update magic number and dis.rst for new bytecodes.
* bpo-39156: Break up COMPARE_OP into four logically distinct opcodes. (GH-17754)Mark Shannon2020-01-141-2/+5
| | | | | | | | Break up COMPARE_OP into four logically distinct opcodes: * COMPARE_OP for rich comparisons * IS_OP for 'is' and 'is not' tests * CONTAINS_OP for 'in' and 'is not' tests * JUMP_IF_NOT_EXC_MATCH for checking exceptions in 'try-except' statements.
* Produce cleaner bytecode for 'with' and 'async with' by generating separate ↵Mark Shannon2019-11-211-6/+5
| | | | | | code for normal and exceptional paths. (#6641) Remove BEGIN_FINALLY, END_FINALLY, CALL_FINALLY and POP_FINALLY bytecodes. Implement finally blocks by code duplication. Reimplement frame.lineno setter using line numbers rather than bytecode offsets.
* bpo-34880: Add the LOAD_ASSERTION_ERROR opcode. (GH-15073)Zackery Spytz2019-08-251-1/+1
| | | | Fix assert statement misbehavior if AssertionError is shadowed.
* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-231-1/+1
| | | | | | | | * Added new opcode END_ASYNC_FOR. * Setting global StopAsyncIteration no longer breaks "async for" loops. * Jumping into an "async for" loop is now disabled. * Jumping out of an "async for" loop no longer corrupts the stack. * Simplify the compiler.
* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ↵Serhiy Storchaka2018-02-221-6/+5
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-32746: Fix multiple typos (GH-5144)Leo Arias2018-02-041-1/+1
| | | Fix typos found by codespell in docs, docstrings, and comments.
* bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181)Mark Shannon2018-01-301-1/+0
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