--- old/src/cpu/x86/vm/relocInfo_x86.hpp	Wed May 14 20:04:38 2008
+++ new/src/cpu/x86/vm/relocInfo_x86.hpp	Wed May 14 20:04:38 2008
@@ -28,6 +28,12 @@
     // Intel instructions are byte-aligned.
     offset_unit        =  1,
 
+#ifdef _LP64
+    // Encodes Assembler::disp32_operand vs. Assembler::imm64_operand
+    // vs Assembler::narrow_oop_operand.
+    format_width       =  2
+#else
     // Encodes Assembler::disp32_operand vs. Assembler::imm32_operand.
     format_width       =  1
+#endif
   };