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gh-135474: Specialize arithmetic only on compact ints (GH-135479)

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Specialize arithmetic only on compact ints. This also makes int operations non-escaping in the JIT and in tier 1.
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Ken Jin 2025-06-14 17:13:32 +08:00 • committed by GitHub
parent c8319a3fea
commit 7b15873ed0
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12 changed files with 81 additions and 155 deletions
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17
Objects/longobject.c
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@ -3772,9 +3772,11 @@ long_add(PyLongObject *a, PyLongObject *b)
}
PyObject *
_PyLong_Add(PyLongObject *a, PyLongObject *b)
_PyCompactLong_Add(PyLongObject *a, PyLongObject *b)
{
return (PyObject*)long_add(a, b);
assert(_PyLong_BothAreCompact(a, b));
stwodigits z = medium_value(a) + medium_value(b);
return (PyObject *)_PyLong_FromSTwoDigits(z);
}
static PyObject *
@ -3815,9 +3817,10 @@ long_sub(PyLongObject *a, PyLongObject *b)
}
PyObject *
_PyLong_Subtract(PyLongObject *a, PyLongObject *b)
_PyCompactLong_Subtract(PyLongObject *a, PyLongObject *b)
{
return (PyObject*)long_sub(a, b);
assert(_PyLong_BothAreCompact(a, b));
return (PyObject *)_PyLong_FromSTwoDigits(medium_value(a) - medium_value(b));
}
static PyObject *
@ -4262,9 +4265,11 @@ long_mul(PyLongObject *a, PyLongObject *b)
}
PyObject *
_PyLong_Multiply(PyLongObject *a, PyLongObject *b)
_PyCompactLong_Multiply(PyLongObject *a, PyLongObject *b)
{
return (PyObject*)long_mul(a, b);
assert(_PyLong_BothAreCompact(a, b));
stwodigits v = medium_value(a) * medium_value(b);
return (PyObject *)_PyLong_FromSTwoDigits(v);
}
static PyObject *