Changeset 34009 in webkit for trunk/JavaScriptCore/VM

Timestamp:

May 21, 2008, 10:19:01 PM (17 years ago)

Author:

Darin Adler

Message:

2008-05-21 Darin Adler <Darin Adler>

Reviewed by Maciej.

• ​https://bugs.webkit.org/show_bug.cgi?id=19180 speed up the < operator for the case when both values are integers

Makes standalone SunSpider 1.022x faster.

• VM/Machine.cpp: (KJS::jsLess): Add a special case for when both are numbers that fit in a JSImmediate.

File:

• trunk/JavaScriptCore/VM/Machine.cpp (modified) (1 diff)

trunk/JavaScriptCore/VM/Machine.cpp

@@ -98 +98 @@
 static inline bool jsLess(ExecState* exec, JSValue* v1, JSValue* v2)
 {
+    if (JSImmediate::areBothImmediateNumbers(v1, v2))
+        return JSImmediate::getTruncatedInt32(v1) < JSImmediate::getTruncatedInt32(v2);
+
     double n1;
     double n2;