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GH-115776: Allow any fixed sized object to have inline values (GH-123192)

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Mark Shannon 2024-08-21 15:52:04 +01:00 • committed by GitHub
parent 4b7c4880a0
commit a4fd7aa4a6
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13 changed files with 61 additions and 38 deletions
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16
Python/specialize.c
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@ -849,15 +849,19 @@ specialize_dict_access(
assert(PyUnicode_CheckExact(name));
Py_ssize_t index = _PyDictKeys_StringLookup(keys, name);
assert (index != DKIX_ERROR);
if (index != (uint16_t)index) {
SPECIALIZATION_FAIL(base_op,
index == DKIX_EMPTY ?
SPEC_FAIL_ATTR_NOT_IN_KEYS :
SPEC_FAIL_OUT_OF_RANGE);
if (index == DKIX_EMPTY) {
SPECIALIZATION_FAIL(base_op, SPEC_FAIL_ATTR_NOT_IN_KEYS);
return 0;
}
assert(index >= 0);
char *value_addr = (char *)&_PyObject_InlineValues(owner)->values[index];
Py_ssize_t offset = value_addr - (char *)owner;
if (offset != (uint16_t)offset) {
SPECIALIZATION_FAIL(base_op, SPEC_FAIL_OUT_OF_RANGE);
return 0;
}
write_u32(cache->version, type->tp_version_tag);
cache->index = (uint16_t)index;
cache->index = (uint16_t)offset;
instr->op.code = values_op;
}
else {