Changeset 58475 in webkit

Timestamp:

Apr 28, 2010 9:34:50 PM (14 years ago)

Author:

oliver@apple.com

Message:

Do an unordered compare so that we don't treat NaN incorrectly.

RS=Gavin Barraclough

• jit/ThunkGenerators.cpp:

(JSC::powThunkGenerator):

Location:

trunk/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• jit/ThunkGenerators.cpp (modified) (1 diff)

trunk/JavaScriptCore/ChangeLog

@@ +1 @@
+2010-04-28  Oliver Hunt  <oliver@apple.com>
+
+        Do an unordered compare so that we don't treat NaN incorrectly.
+
+        RS=Gavin Barraclough
+
+        * jit/ThunkGenerators.cpp:
+        (JSC::powThunkGenerator):
+
 2010-04-28  Oliver Hunt  <oliver@apple.com>
 

trunk/JavaScriptCore/jit/ThunkGenerators.cpp

@@ -146 +146 @@
         jit.loadDoubleArgument(1, SpecializedThunkJIT::fpRegT2, SpecializedThunkJIT::regT0);
         jit.appendFailure(jit.branchDouble(MacroAssembler::DoubleLessThanOrEqual, SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT1));
-        jit.appendFailure(jit.branchDouble(MacroAssembler::DoubleNotEqual, SpecializedThunkJIT::fpRegT2, SpecializedThunkJIT::fpRegT3));
+        jit.appendFailure(jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, SpecializedThunkJIT::fpRegT2, SpecializedThunkJIT::fpRegT3));
         jit.sqrtDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT0);
         jit.divDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT1);