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gh-100188: Reduce misses in BINARY_SUBSCR_LIST_INT #100189

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Merged
sweeneyde merged 6 commits into from
Dec 20, 2022
Merged

gh-100188: Reduce misses in BINARY_SUBSCR_LIST_INT #100189

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ced2545
Reduce misses in BINARY_SUBSCR_LIST_INT
sweeneyde Dec 12, 2022
3e6aea7
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 12, 2022
46a6894
fix NEWS syntax
sweeneyde Dec 12, 2022
1495300
do tuples too
sweeneyde Dec 12, 2022
8e52d1e
grammar
sweeneyde Dec 12, 2022
7f5b5b7
Merge branch 'main' into list_int_nomiss
sweeneyde Dec 17, 2022
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Reduce misses in BINARY_SUBSCR_LIST_INT
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@sweeneyde
sweeneyde committed Dec 12, 2022
commit ced2545ed998af4a125140f2d5bfd1897859e3ef
8 changes: 6 additions & 2 deletions Python/specialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1262,8 +1262,12 @@ _Py_Specialize_BinarySubscr(
PyTypeObject *container_type = Py_TYPE(container);
if (container_type == &PyList_Type) {
if (PyLong_CheckExact(sub)) {
_Py_SET_OPCODE(*instr, BINARY_SUBSCR_LIST_INT);
goto success;
if (Py_SIZE(sub) == 0 || Py_SIZE(sub) == 1) {
_Py_SET_OPCODE(*instr, BINARY_SUBSCR_LIST_INT);
goto success;
}
SPECIALIZATION_FAIL(BINARY_SUBSCR, SPEC_FAIL_OUT_OF_RANGE);
goto fail;
}
SPECIALIZATION_FAIL(BINARY_SUBSCR,
PySlice_Check(sub) ? SPEC_FAIL_SUBSCR_LIST_SLICE : SPEC_FAIL_OTHER);
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