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gh-106581: Project through calls (#108067)

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This finishes the work begun in gh-107760. When, while projecting a superblock, we encounter a call to a short, simple function, the superblock will now enter the function using `_PUSH_FRAME`, continue through it, and leave it using `_POP_FRAME`, and then continue through the original code. Multiple frame pushes and pops are even possible. It is also possible to stop appending to the superblock in the middle of a called function, when running out of space or encountering an unsupported bytecode.
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Guido van Rossum 2023-08-17 11:29:58 -07:00 • committed by GitHub
parent 292a22bdc2
commit 61c7249759
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16 changed files with 409 additions and 109 deletions
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Python/ceval_macros.h
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@ -369,3 +369,7 @@ static inline int _Py_EnterRecursivePy(PyThreadState *tstate) {
return (tstate->py_recursion_remaining-- <= 0) &&
_Py_CheckRecursiveCallPy(tstate);
}
static inline void _Py_LeaveRecursiveCallPy(PyThreadState *tstate) {
tstate->py_recursion_remaining++;
}