GH-119258: Handle STORE_ATTR_WITH_HINT in tier two
#119481
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brandtbucher
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performance
brandtbucher
changed the title
STORE_ATTR_WITH_HINT in tier twoSTORE_ATTR_WITH_HINT in tier two
markshannon
requested changes
May 24, 2024
| @@ -246,7 +246,7 @@ dict_next_version(PyInterpreterState *interp) | |||
| ((INTERP)->dict_state.global_version += DICT_VERSION_INCREMENT) | |||
| #endif | |||
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| void | |||
| PyAPI_FUNC(void) | |||
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Why does this symbol need to be exposed?
It isn't used by the JIT.
It is used, via the _PyDict_NotifyEvent inline function.
Python/bytecodes.c
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| @@ -2135,10 +2135,8 @@ dummy_func( | |||
| _GUARD_DORV_NO_DICT + | |||
| _STORE_ATTR_INSTANCE_VALUE; | |||
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| inst(STORE_ATTR_WITH_HINT, (unused/1, type_version/2, hint/1, value, owner --)) { | |||
| op(_STORE_ATTR_WITH_HINT, (hint/1, value, owner --)) { | |||
| PyTypeObject *tp = Py_TYPE(owner); | |||
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Suggested change
| PyTypeObject *tp = Py_TYPE(owner); |
This is only used in the assert, AFAICT, so will generate a compiler warning for non-debug builds.
Python/bytecodes.c
Outdated
| PyTypeObject *tp = Py_TYPE(owner); | ||
| assert(type_version != 0); | ||
| DEOPT_IF(tp->tp_version_tag != type_version); | ||
| assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT); |
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Suggested change
| assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT); | |
| assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT); |
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When you're done making the requested changes, leave the comment: |
Fidget-Spinner
approved these changes
May 25, 2024
noahbkim
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Jul 11, 2024
estyxx
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Jul 17, 2024
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This way we can remove the version check in the optimizer, too!