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GH-94163: Add BINARY_SLICE and STORE_SLICE instructions. (GH-94168)

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Mark Shannon 2022-06-27 12:24:23 +01:00 • committed by GitHub
parent 33fc3b5e42
commit c0453a40fa
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14 changed files with 339 additions and 161 deletions
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41
Python/ceval.c
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@ -23,6 +23,7 @@
#include "pycore_pymem.h" // _PyMem_IsPtrFreed()
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "pycore_range.h" // _PyRangeIterObject
#include "pycore_sliceobject.h" // _PyBuildSlice_ConsumeRefs
#include "pycore_sysmodule.h" // _PySys_Audit()
#include "pycore_tuple.h" // _PyTuple_ITEMS()
#include "pycore_emscripten_signal.h" // _Py_CHECK_EMSCRIPTEN_SIGNALS
@ -2139,6 +2140,46 @@ handle_eval_breaker:
DISPATCH();
}
TARGET(BINARY_SLICE) {
PyObject *stop = POP();
PyObject *start = POP();
PyObject *container = TOP();
PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
if (slice == NULL) {
goto error;
}
PyObject *res = PyObject_GetItem(container, slice);
Py_DECREF(slice);
if (res == NULL) {
goto error;
}
SET_TOP(res);
Py_DECREF(container);
DISPATCH();
}
TARGET(STORE_SLICE) {
PyObject *stop = POP();
PyObject *start = POP();
PyObject *container = TOP();
PyObject *v = SECOND();
PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
if (slice == NULL) {
goto error;
}
int err = PyObject_SetItem(container, slice, v);
Py_DECREF(slice);
if (err) {
goto error;
}
STACK_SHRINK(2);
Py_DECREF(v);
Py_DECREF(container);
DISPATCH();
}
TARGET(BINARY_SUBSCR_ADAPTIVE) {
_PyBinarySubscrCache *cache = (_PyBinarySubscrCache *)next_instr;
if (ADAPTIVE_COUNTER_IS_ZERO(cache)) {