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

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index b8e1469d8dfe8118ccc12f1a49a9d387d9699f8d..34a85493ee916863796791466adb5a3349cd1054 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -1818,7 +1818,7 @@ void Assembler::lui(Register rd, int32_t j) {
 }
 
 
-void Assembler::aui(Register rs, Register rt, int32_t j) {
+void Assembler::aui(Register rt, Register rs, int32_t j) {
   // This instruction uses same opcode as 'lui'. The difference in encoding is
   // 'lui' has zero reg. for rs field.
   DCHECK(!(rs.is(zero_reg)));