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Add a warning comment to the LOAD_GLOBAL inline code.

This commit is contained in:
Guido van Rossum 2002-08-19 21:17:53 +00:00
parent 3a4dfc87e6
commit d8dbf847b6
1 changed files with 3 additions and 1 deletions
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4
Python/ceval.c
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@ -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;