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gh-148171: Convert CALL_BUILTIN_FAST to leave inputs on the stack for refcount elimination in JIT (GH-148172)

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Ken Jin 2026-04-10 23:11:18 +08:00 • committed by GitHub
parent aea0b91d65
commit 266247c9a6
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14 changed files with 1199 additions and 1103 deletions
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22
Python/bytecodes.c
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@ -386,6 +386,11 @@ dummy_func(
PyStackRef_CLOSE(nos);
}
op(_POP_TOP_OPARG, (args[oparg] -- )) {
_PyStackRef_CloseStack(args, oparg);
DEAD(args);
}
pure inst(PUSH_NULL, (-- res)) {
res = PyStackRef_NULL;
}
@ -4646,7 +4651,7 @@ dummy_func(
EXIT_IF(PyCFunction_GET_FLAGS(callable_o) != METH_FASTCALL);
}
op(_CALL_BUILTIN_FAST, (callable, self_or_null, args[oparg] -- res)) {
op(_CALL_BUILTIN_FAST, (callable, self_or_null, args[oparg] -- callable, self_or_null, args[oparg])) {
/* Builtin METH_FASTCALL functions, without keywords */
int total_args = oparg;
_PyStackRef *arguments = args;
@ -4655,16 +4660,17 @@ dummy_func(
total_args++;
}
STAT_INC(CALL, hit);
PyObject *res_o = _Py_BuiltinCallFast_StackRefSteal(
PyObject *res_o = _Py_BuiltinCallFast_StackRef(
callable,
arguments,
total_args
);
DEAD(args);
DEAD(self_or_null);
DEAD(callable);
ERROR_IF(res_o == NULL);
res = PyStackRef_FromPyObjectSteal(res_o);
if (res_o == NULL) {
ERROR_NO_POP();
}
_PyStackRef temp = callable;
callable = PyStackRef_FromPyObjectSteal(res_o);
PyStackRef_CLOSE(temp);
}
macro(CALL_BUILTIN_FAST) =
@ -4673,6 +4679,8 @@ dummy_func(
unused/2 +
_GUARD_CALLABLE_BUILTIN_FAST +
_CALL_BUILTIN_FAST +
_POP_TOP_OPARG +
POP_TOP +
_CHECK_PERIODIC_AT_END;
op(_GUARD_CALLABLE_BUILTIN_FAST_WITH_KEYWORDS, (callable, unused, unused[oparg] -- callable, unused, unused[oparg])) {