compile: wrap 64bit numbers with ULL() so 32bit compiles work

In the isa_parser, we need to check case statements.

src/arch/isa_parser.py

@@ -585,7 +585,12 @@ StaticInstPtr
     # 'default'
     def p_case_label_0(self, t):
         'case_label : intlit_list'
-        t[0] = ': '.join(map(lambda a: 'case %#x' % a, t[1]))
+        def make_case(intlit):
+            if intlit >= 2**32:
+                return 'case ULL(%#x)' % intlit
+            else:
+                return 'case %#x' % intlit
+        t[0] = ': '.join(map(make_case, t[1]))
 
     def p_case_label_1(self, t):
         'case_label : DEFAULT'

src/arch/x86/process.cc

@@ -175,7 +175,7 @@ I386LiveProcess::I386LiveProcess(LiveProcessParams *params,
         int _numSyscallDescs) :
     X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
 {
-    _gdtStart = 0x100000000;
+    _gdtStart = ULL(0x100000000);
     _gdtSize = VMPageSize;
 
     vsyscallPage.base = 0xffffe000ULL;