MIPS: Add float instructions and test coverage, part two

src/mips/simulator-mips.h

Index: src/mips/simulator-mips.h
diff --git a/src/mips/simulator-mips.h b/src/mips/simulator-mips.h
index de06200850b5c52a03ca7b0533dcd091270c14d3..0e9c2129837f3a9265c248ed0f37842bc15c2707 100644
--- a/src/mips/simulator-mips.h
+++ b/src/mips/simulator-mips.h
@@ -183,6 +183,12 @@ class Simulator {
   bool set_fcsr_round64_error(float original, float rounded);
   void round_according_to_fcsr(double toRound, double& rounded,
                                int32_t& rounded_int, double fs);
+  void round_according_to_fcsr(float toRound, float& rounded,
+                               int32_t& rounded_int, float fs);
+  void round64_according_to_fcsr(double toRound, double& rounded,
+                                 int64_t& rounded_int, double fs);
+  void round64_according_to_fcsr(float toRound, float& rounded,
+                                 int64_t& rounded_int, float fs);
   // Special case of set_register and get_register to access the raw PC value.
   void set_pc(int32_t value);
   int32_t get_pc() const;
@@ -278,7 +284,8 @@ class Simulator {
                                  const int32_t& fs_reg, const int32_t& ft_reg,
                                  const int32_t& fd_reg);
   void DecodeTypeRegisterWRsType(Instruction* instr, int32_t& alu_out,
-                                 const int32_t& fd_reg, const int32_t& fs_reg);
+                                 const int32_t& fd_reg, const int32_t& fs_reg,
+                                 const int32_t& ft_reg);
   void DecodeTypeRegisterSRsType(Instruction* instr, const int32_t& ft_reg,
                                  const int32_t& fs_reg, const int32_t& fd_reg);
   void DecodeTypeRegisterLRsType(Instruction* instr, const int32_t& ft_reg,
@@ -312,7 +319,7 @@ class Simulator {
                                   int32_t& alu_out);
 
   void DecodeTypeRegisterSPECIAL3(Instruction* instr, const int32_t& rt_reg,
-                                  int32_t& alu_out);
+                                  const int32_t& rd_reg, int32_t& alu_out);
 
   // Helper function for DecodeTypeRegister.
   void ConfigureTypeRegister(Instruction* instr,