Changeset 48830 in webkit for trunk/JavaScriptCore/jit/JITArithmetic.cpp

Timestamp:

Sep 28, 2009, 1:42:15 PM (16 years ago)

Author:

[email protected]

Message:

Hard dependency on SSE2 instruction set with JIT
​https://bugs.webkit.org/show_bug.cgi?id=29779

Reviewed by Geoff Garen

Add floating point support checks to op_jfalse and op_jtrue, and
fix the logic for the slow case of op_add

File:

• trunk/JavaScriptCore/jit/JITArithmetic.cpp (modified) (1 diff)

trunk/JavaScriptCore/jit/JITArithmetic.cpp

@@ -636 +636 @@
         linkSlowCase(iter); // overflow check
 
-        if (!supportsFloatingPoint()) {
+        if (!supportsFloatingPoint())
             linkSlowCase(iter); // non-sse case
-            return;
-        }
-
-        ResultType opType = op == op1 ? types.first() : types.second();
-        if (!opType.definitelyIsNumber())
-            linkSlowCase(iter); // double check
+        else {
+            ResultType opType = op == op1 ? types.first() : types.second();
+            if (!opType.definitelyIsNumber())
+                linkSlowCase(iter); // double check
+        }
     } else {
         linkSlowCase(iter); // overflow check