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gh-130004: Disable PGO for ceval.c on MSVC for default build (GH-130009)

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Disable PGO for ceval.c on MSVC on default build
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Ken Jin 2025-02-12 01:13:05 +08:00 • committed by GitHub
parent 3b548adc76
commit 5cdd6e5e75
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1 changed files with 2 additions and 7 deletions
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9
Python/ceval.c
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@ -764,15 +764,10 @@ _PyObjectArray_Free(PyObject **array, PyObject **scratch)
#define PY_EVAL_C_STACK_UNITS 2
/* _PyEval_EvalFrameDefault is too large to optimize for speed with PGO on MSVC
when the JIT is enabled or GIL is disabled. Disable that optimization around
this function only. If this is fixed upstream, we should gate this on the
version of MSVC.
/* _PyEval_EvalFrameDefault is too large to optimize for speed with PGO on MSVC.
*/
#if (defined(_MSC_VER) && \
defined(_Py_USING_PGO) && \
(defined(_Py_JIT) || \
defined(Py_GIL_DISABLED)))
defined(_Py_USING_PGO))
#define DO_NOT_OPTIMIZE_INTERP_LOOP
#endif