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bpo-38310: Predict BUILD_MAP_UNPACK_WITH_CALL -> CALL_FUNCTION_EX. (GH-16467)

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Brandt Bucher 2019-09-28 17:12:49 -07:00 committed by Raymond Hettinger
parent c5a7e0ce19
commit f185a73249
2 changed files with 3 additions and 0 deletions
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1
Misc/NEWS.d/next/Core and Builtins/2019-09-28-22-54-25.bpo-38310.YDTbEo.rst Normal file
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@ -0,0 +1 @@
Predict ``BUILD_MAP_UNPACK_WITH_CALL`` -> ``CALL_FUNCTION_EX`` opcode pairs in the main interpreter loop. Patch by Brandt Bucher.

2
Python/ceval.c
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@ -2943,6 +2943,7 @@ main_loop:
while (oparg--)
Py_DECREF(POP());
PUSH(sum);
PREDICT(CALL_FUNCTION_EX);
DISPATCH();
}
@ -3522,6 +3523,7 @@ main_loop:
}
case TARGET(CALL_FUNCTION_EX): {
PREDICTED(CALL_FUNCTION_EX);
PyObject *func, *callargs, *kwargs = NULL, *result;
if (oparg & 0x01) {
kwargs = POP();