(mips) adding simulator support for AUI/DAUI/DAHI/DATI instructions.

src/mips/disasm-mips.cc

Index: src/mips/disasm-mips.cc
diff --git a/src/mips/disasm-mips.cc b/src/mips/disasm-mips.cc
index 590f8d27737711dabd94b228bd9bbb5beb1b8d79..4602b305d81054a7b4711ee024a8b441bdfe87f5 100644
--- a/src/mips/disasm-mips.cc
+++ b/src/mips/disasm-mips.cc
@@ -1530,7 +1530,7 @@ void Decoder::DecodeTypeImmediate(Instruction* instr) {
         Format(instr, "lui     'rt, 'imm16x");
       } else {
         if (instr->RsValue() != 0) {
-          Format(instr, "aui     'rt, 'imm16x");
+          Format(instr, "aui     'rt, 'rs, 'imm16x");
         } else {
           Format(instr, "lui     'rt, 'imm16x");
         }