Add a warning comment to the LOAD_GLOBAL inline code.

diff --git a/Python/ceval.c b/Python/ceval.c
index af9c072c1ee1a9ef88d621e8660aec16f45bf8d2..00237c04d81b3662fcc378f11b029a35190d107a 100644 (file)
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1710,9 +1710,11 @@ eval_frame(PyFrameObject *f)
                case LOAD_GLOBAL:
                        w = GETITEM(names, oparg);
                        if (PyString_CheckExact(w)) {
+                               /* Inline the PyDict_GetItem() calls.
+                                  WARNING: this is an extreme speed hack.
+                                  Do not try this at home. */
                                long hash = ((PyStringObject *)w)->ob_shash;
                                if (hash != -1) {
-                                       /* Inline the PyDict_GetItem() calls */
                                        PyDictObject *d;
                                        d = (PyDictObject *)(f->f_globals);
                                        x = d->ma_lookup(d, w, hash)->me_value;