Add missing x87 instructions fisttp and fst to the disassembler.

Review URL: http://codereview.chromium.org/3408011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5484 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/disasm-ia32.cc

@@ -685,7 +685,8 @@ int DisassemblerIA32::MemoryFPUInstruction(int escape_opcode,
 
     case 0xDD: switch (regop) {
         case 0: mnem = "fld_d"; break;
-        case 2: mnem = "fstp"; break;
+        case 1: mnem = "fisttp_d"; break;
+        case 2: mnem = "fst_d"; break;
         case 3: mnem = "fstp_d"; break;
         default: UnimplementedInstruction();
       }