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GH-141794: Limit size of generated machine code. (GH-142228)

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* Factor out bodies of the largest uops, to reduce jit code size.
* Factor out common assert, also reducing jit code size.
* Limit size of jitted code for a single executor to 1MB.
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Mark Shannon 2025-12-03 17:43:35 +00:00 • committed by GitHub
parent aea5531583
commit 62423c9c36
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14 changed files with 1406 additions and 1731 deletions
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Python/ceval_macros.h
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@ -458,7 +458,7 @@ do { \
#define STACKREFS_TO_PYOBJECTS(ARGS, ARG_COUNT, NAME) \
/* +1 because vectorcall might use -1 to write self */ \
PyObject *NAME##_temp[MAX_STACKREF_SCRATCH+1]; \
PyObject **NAME = _PyObjectArray_FromStackRefArray(ARGS, ARG_COUNT, NAME##_temp + 1);
PyObject **NAME = _PyObjectArray_FromStackRefArray(ARGS, ARG_COUNT, NAME##_temp);
#define STACKREFS_TO_PYOBJECTS_CLEANUP(NAME) \
/* +1 because we +1 previously */ \