art: Handle x86_64 architecture equal to x86

This patch forces FE/ME to treat x86_64 as x86 exactly.
The x86_64 logic will be revised later when assembly will be ready.

Change-Id: I4a92477a6eeaa9a11fd710d35c602d8d6f88cbb6
Signed-off-by: Dmitry Petrochenko <dmitry.petrochenko@intel.com>
diff --git a/compiler/dex/quick/codegen_util.cc b/compiler/dex/quick/codegen_util.cc
index 4c6c7a4..6e6b8f0 100644
--- a/compiler/dex/quick/codegen_util.cc
+++ b/compiler/dex/quick/codegen_util.cc
@@ -480,6 +480,7 @@
         bx_offset = tab_rec->anchor->offset + 4;
         break;
       case kX86:
+      case kX86_64:
         bx_offset = 0;
         break;
       case kMips: