Fixed problem with test on big-endian-float ARM.

Review URL: http://codereview.chromium.org/338044


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3143 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-api.cc

@@ -8499,14 +8499,28 @@ THREADED_TEST(GetHeapStatistics) {
 
 static double DoubleFromBits(uint64_t value) {
   double target;
+#ifdef BIG_ENDIAN_FLOATING_POINT
+  const int kIntSize = 4;
+  // Somebody swapped the lower and higher half of doubles.
+  memcpy(&target, reinterpret_cast<char*>(&value) + kIntSize, kIntSize);
+  memcpy(reinterpret_cast<char*>(&target) + kIntSize, &value, kIntSize);
+#else
   memcpy(&target, &value, sizeof(target));
+#endif
   return target;
 }
 
 
 static uint64_t DoubleToBits(double value) {
   uint64_t target;
+#ifdef BIG_ENDIAN_FLOATING_POINT
+  const int kIntSize = 4;
+  // Somebody swapped the lower and higher half of doubles.
+  memcpy(&target, reinterpret_cast<char*>(&value) + kIntSize, kIntSize);
+  memcpy(reinterpret_cast<char*>(&target) + kIntSize, &value, kIntSize);
+#else
   memcpy(&target, &value, sizeof(target));
+#endif
   return target;
 }