diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/ceval.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index b707734349..34b4cb954d 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -1778,6 +1778,21 @@ eval_frame(PyFrameObject *f) x = res ? Py_True : Py_False; Py_INCREF(x); } + else if (v == w && PyString_CheckExact(v)) { + /* Fast-path for comparing interned strings */ + switch (oparg) { + case EQ: x = Py_True; break; + case LE: x = Py_True; break; + case GE: x = Py_True; break; + case NE: x = Py_False; break; + case GT: x = Py_False; break; + case LT: x = Py_False; break; + case IS: x = Py_True; break; + case IS_NOT: x = Py_False; break; + default: goto slow_compare; + } + Py_INCREF(x); + } else { slow_compare: x = cmp_outcome(oparg, v, w); |