Changeset 27711 in webkit for trunk/JavaScriptCore/wtf/HashTable.h

Timestamp:

Nov 12, 2007, 12:00:29 AM (18 years ago)

Author:

oliver

Message:

Add special fastZeroedMalloc function to replace a
number of fastCalloc calls where one argument was 1.

Reviewed by Darin.

This results in a 0.4% progression in SunSpider, more
than making up for the earlier regression caused by
additional overflow checks.

File:

• trunk/JavaScriptCore/wtf/HashTable.h (modified) (1 diff)

trunk/JavaScriptCore/wtf/HashTable.h

@@ -827 +827 @@
         // gcc doesn't appear to support that
         if (Traits::emptyValueIsZero)
-            return static_cast<ValueType *>(fastCalloc(size, sizeof(ValueType)));
+            return static_cast<ValueType *>(fastZeroedMalloc(size * sizeof(ValueType)));
         ValueType* result = static_cast<ValueType*>(fastMalloc(size * sizeof(ValueType)));
         for (int i = 0; i < size; i++)