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The Python programming language

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/ Python/optimizer_bytecodes.c
8247e1b3e7645f12ead7bf470110fd35a2674fa5
September 18, 2025
M
GH-138378: Move globals-to-consts pass into main optimizer pass (GH-138379)
Mark Shannon committed
3b83257
September 15, 2025
S
GH-132732: Use pure op machinery to optimize various instructions with `_POP_TOP` and `_POP_TWO` (#137577)
Savannah Bailey committed
9c9a0f7
September 3, 2025
K
gh-138431: JIT Optimizer --- Fix round-tripping references for str and tuple (GH-138458)
Ken Jin committed
2402f84
A
gh-137136: Suppress build warnings when build on Windows with --experimental-jit-interpreter (GH-137137)
AN Long committed
1ff2cbb
July 26, 2025
S
GH-132732: Use pure op machinery to optimize `COMPARE_OP_INT/FLOAT/STR` (#137062)
Savannah Bailey committed
f7c380e
July 1, 2025
K
gh-136125: Use `_PyObject_GetMethodStackRef` for `LOAD_ATTR` (GH-136127)
Ken Jin committed
e0d6500
June 27, 2025
K
gh-132732: Automatically constant evaluate pure operations (GH-132733)
Ken Jin committed
695ab61
June 23, 2025
N
gh-131798: Optimize `_UNARY_NEGATIVE` (GH-135223)
Noam Cohen committed
bda1218
K
gh-134584: Specialize POP_TOP by reference and type in JIT (GH-135761)
Ken Jin committed
569fc68
June 20, 2025
T
gh-131798: JIT: Optimize _CALL_LEN when the length is known (#135260)
Tomas R. committed
61532b4
K
gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613)
Ken Jin committed
b53b0c1
June 19, 2025
M
GH-135379: Specialize int operations for compact ints only (GH-135668)
Mark Shannon committed
9731dd2
June 17, 2025
K
gh-134584: Decref elimination for float ops in the JIT (GH-134588)
Ken Jin committed
fba5dde
June 16, 2025
N
gh-131798: JIT: replace _CHECK_METHOD_VERSION with _CHECK_FUNCTION_VERSION_INLINE (GH-135022)
Nadeshiko Manju committed
667a86e
June 14, 2025
K
gh-135474: Specialize arithmetic only on compact ints (GH-135479)
Ken Jin committed
7b15873
June 11, 2025
M
GH-135379: Remove types from stack items in code generator. (GH-135384)
Mark Shannon committed
c87b5b2
June 9, 2025
N
gh-131798: Optimize `_UNARY_INVERT` (GH-135222)
Noam Cohen committed
b150b6a
June 7, 2025
A
GH-131798: Type-propagate string/list/tuple slices (GH-134671)
Amit Lavon committed
8fdbbf8
June 6, 2025
T
GH-131798: Optimize away type(x) in the JIT when the result is known (GH-135194)
Tomas R. committed
4615164
June 5, 2025
M
GH-132554: Fix tier2 `FOR_ITER` implementation and optimizations (GH-135137)
Mark Shannon committed
b90ecea
May 27, 2025
N
gh-131798: Optimize `_ITER_CHECK_TUPLE` (GH-134803)
Noam Cohen committed
79d81f7
M
GH-132554: "Virtual" iterators (GH-132555)
Mark Shannon committed
f6f4e8a
May 22, 2025
T
GH-131798: Optimize away isinstance calls in the JIT (GH-134369)
Tomas R. committed
484e003
B
GH-131798: Optimize cached class attributes and methods in the JIT (GH-134403)
Brandt Bucher committed
ec736e7
N
GH-131798: Turn _LOAD_SMALL_INT into _LOAD_CONST_INLINE_BORROW in the JIT (GH-134406)
Nadeshiko Manju committed
8c5e555
May 20, 2025
B
GH-131798: Narrow types more aggressively in the JIT (GH-134373)
Brandt Bucher committed
2f0570c
N
GH-131798: Narrow the return type of _GET_LEN to int (GH-133345)
Nadeshiko Manju committed
e1c0c45
M
GH-134282: Always borrow references LOAD_CONST (GH-134284)
Mark Shannon committed
6dcb0fd
May 19, 2025
T
GH-131798: Add _POP_CALL_TWO_LOAD_CONST_INLINE_BORROW (GH-134268)
Tomas R. committed
a7f317d
D
GH-131798: Split CALL_LIST_APPEND into several uops (GH-134240)
Diego Russo committed
42d03f3
T
GH-131798: Narrow the return type of isinstance for some known arguments in the JIT (GH-133172)
Tomas R. committed
8d490b3
May 8, 2025
T
GH-131798: Split up and optimize CALL_ISINSTANCE (GH-133339)
Tomas R. committed
c492ac7
T
gh-133273: Keep instruction definitions in `bytecodes.c` and `optimizer_bytecodes.c` in sync (GH-133320)
Tomas R. committed
3f2f59a
May 5, 2025
D
GH-131798: Split CALL_LEN into several uops (GH-133180)
Diego Russo committed
9cc77aa
April 27, 2025
N
gh-131798: JIT - Use `sym_new_type` instead of `sym_new_not_null` for _BUILD_STRING, _BUILD_SET (GH-132564)
Nadeshiko Manju committed
614d792
April 26, 2025
T
gh-131798: JIT: Propagate the result in `_BINARY_OP_SUBSCR_TUPLE_INT` (GH-133003)
Tomas R. committed
5e96e4f
April 25, 2025
D
gh-131798: JIT: Narrow the return type of _CALL_LEN to int (#132940)
Diego Russo committed
4c20f46
April 24, 2025
T
GH-131798: Split up and optimize CALL_TUPLE_1 in the JIT (GH-132851)
Tomas R. committed
08e3389
T
GH-131798: Split up and optimize CALL_STR_1 in the JIT (GH-132849)
Tomas R. committed
0a387b3
April 22, 2025
T
GH-131798: JIT: Split CALL_TYPE_1 into several uops (GH-132419)
Tomas R. committed
a6a3dbb
April 21, 2025
S
gh-131586: Avoid refcount contention in context managers (gh-131851)
Sam Gross committed
da53660
B
GH-130415: Improve the JIT's unneeded uop removal pass (GH-132333)
Brandt Bucher committed
4f7f72c
April 18, 2025
B
GH-131498: Replace single-element arrays with scalars in bytecodes.c (GH-132615)
Brandt Bucher committed
40ae889
April 16, 2025
N
gh-131798: Use `sym_new_type` instead of `sym_new_not_null` for `_BUILD_LIST`, `_BUILD_SLICE`, and `_BUILD_MAP` (GH-132434)
Nadeshiko Manju committed
b9e88ff
April 9, 2025
B
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
Brandt Bucher committed
20926c7
April 8, 2025
N
GH-131798: Narrow the result of _CONTAINS_OP_DICT to bool in the JIT (GH-132269)
Nadeshiko Manju committed
d753d8a
T
GH-131798: Narrow the result type of _BINARY_OP_SUBSCR_STR_INT to str in the JIT (GH-132153)
Tomas R. committed
71009cb
April 5, 2025
T
GH-131798: Narrow the result of _CONTAINS_OP_SET to bool in the JIT (GH-132057)
Tomas R. committed
85bc489
April 2, 2025
M
GH-131498: Cases generator: Parse down to C statement level. (GH-131948)
Mark Shannon committed
ad053d8
April 1, 2025
B
GH-131798: Allow the JIT to remove more int/float/str guards (GH-131800)
Brandt Bucher committed
1a9d4a1