Add X32 port into V8

test/cctest/test-mark-compact.cc

Index: test/cctest/test-mark-compact.cc
===================================================================
--- test/cctest/test-mark-compact.cc	(revision 15486)
+++ test/cctest/test-mark-compact.cc	(working copy)
@@ -558,9 +558,17 @@
       }
     } else {                            // 32-bit.
       if (v8::internal::Snapshot::IsEnabled()) {
+#ifndef V8_TARGET_ARCH_X32

[danno, 2013/07/17 13:33:21]

I don't think the limits should be special cased, or if they are, they should be
for all platforms. Otherwise, if x32 is under ia32, it should just the same
high-water mark.

         CHECK_LE(delta, 3100 * 1024);
+#else
+        CHECK_LE(delta, 3700 * 1024);
+#endif
       } else {
+#ifndef V8_TARGET_ARCH_X32
         CHECK_LE(delta, 3400 * 1024);
+#else
+        CHECK_LE(delta, 3900 * 1024);
+#endif
       }
     }
   }