Allow div and cmp to work in uint32 mode

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index c0b2abd512d08464c928a395234a73cb1055b84b..e7d6770ca14147fd0a63f26f8df180e2cbf107c9 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -932,6 +932,13 @@ void Assembler::idiv(Register src) {
 }
 
 
+void Assembler::div(Register src) {
+  EnsureSpace ensure_space(this);
+  EMIT(0xF7);
+  EMIT(0xF0 | src.code());
+}
+
+
 void Assembler::imul(Register reg) {
   EnsureSpace ensure_space(this);
   EMIT(0xF7);