Mirco-optimizations to reduce register spills and reloads observed on CLANG and GCC.
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 23ab95c..8197cd9 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -84,8 +84,9 @@
return set_lookkey(so, key, hash);
if (cmp > 0) /* likely */
return entry;
+ mask = so->mask; /* help avoid a register spill */
}
- if (entry->key == dummy && freeslot == NULL)
+ if (entry->hash == -1 && freeslot == NULL)
freeslot = entry;
if (i + LINEAR_PROBES <= mask) {
@@ -111,8 +112,9 @@
return set_lookkey(so, key, hash);
if (cmp > 0)
return entry;
+ mask = so->mask;
}
- if (entry->key == dummy && freeslot == NULL)
+ if (entry->hash == -1 && freeslot == NULL)
freeslot = entry;
}
}