Avoid a call to the runtime system when doing binary fp ops on ARM...

test/mjsunit/number-limits.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Ensure that Number.MAX_VALUE and Number.MIN_VALUE are extreme.
 function testLimits() {
   var i; var eps;
   for (i = 0, eps = 1; i < 1100; i++, eps /= 2) {
     var mulAboveMax = Number.MAX_VALUE * (1 + eps);
     var addAboveMax = Number.MAX_VALUE + 1/eps;
     var mulBelowMin = Number.MIN_VALUE * (1 - eps);
     var addBelowMin = Number.MIN_VALUE - eps;
-    assertTrue(mulAboveMax == Number.MAX_VALUE || mulAboveMax == Infinity);
-    assertTrue(addAboveMax == Number.MAX_VALUE || addAboveMax == Infinity);
-    assertTrue(mulBelowMin == Number.MIN_VALUE || mulBelowMin <= 0);
-    assertTrue(addBelowMin == Number.MIN_VALUE || addBelowMin <= 0);
+    assertTrue(mulAboveMax == Number.MAX_VALUE ||
+               mulAboveMax == Infinity, "mul" + i);
+    assertTrue(addAboveMax == Number.MAX_VALUE ||
+               addAboveMax == Infinity, "add" + i);
+    assertTrue(mulBelowMin == Number.MIN_VALUE ||
+               mulBelowMin <= 0, "mul2" + i);
+    assertTrue(addBelowMin == Number.MIN_VALUE ||
+               addBelowMin <= 0, "add2" + i);
   }
 }
 
 testLimits();