Changeset 222689 in webkit for trunk/Source/JavaScriptCore/dfg/DFGIntegerRangeOptimizationPhase.cpp

Timestamp:

Oct 1, 2017, 10:23:29 AM (8 years ago)

Author:

[email protected]

Message:

Unreviewed, rolling out r222564.
​https://bugs.webkit.org/show_bug.cgi?id=177720

"It regressed JetStream by 2% on iOS caused by a 50%
regression on the bigfib subtest" (Requested by saamyjoon on
#webkit).

Reverted changeset:

"Add Above/Below comparisons for UInt32 patterns"
​https://bugs.webkit.org/show_bug.cgi?id=177281
​http://trac.webkit.org/changeset/222564

File:

• trunk/Source/JavaScriptCore/dfg/DFGIntegerRangeOptimizationPhase.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/dfg/DFGIntegerRangeOptimizationPhase.cpp

@@ -1141 +1141 @@
                             terminal->child1().node(), m_zero, Relationship::NotEqual, 0);
                     } else {
-                        // FIXME: Handle CompareBelow and CompareBelowEq.
                         Node* compare = terminal->child1().node();
                         switch (compare->op()) {