[cleanup] Fix NOLINT(runtime/references) for MIPS simulator.

R=clemensh@chromium.org
BUG=v8:9429,v8:9396

Change-Id: I1d8b5b67e5cd1b1788e6c0dcb45762c555b6f0e0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1695471Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62666}

src/execution/mips/simulator-mips.h

@@ -258,26 +258,16 @@ class Simulator : public SimulatorBase {
   bool set_fcsr_round_error(float original, float rounded);
   bool set_fcsr_round64_error(double original, double rounded);
   bool set_fcsr_round64_error(float original, float rounded);
-  void round_according_to_fcsr(
-      double toRound, double& rounded,  // NOLINT(runtime/references)
-      int32_t& rounded_int,             // NOLINT(runtime/references)
-      double fs);
-  void round_according_to_fcsr(
-      float toRound, float& rounded,  // NOLINT(runtime/references)
-      int32_t& rounded_int,           // NOLINT(runtime/references)
-      float fs);
+  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);
   template <typename Tfp, typename Tint>
-  void round_according_to_msacsr(
-      Tfp toRound, Tfp& rounded,  // NOLINT(runtime/references)
-      Tint& rounded_int);         // NOLINT(runtime/references)
-  void round64_according_to_fcsr(
-      double toRound, double& rounded,  // NOLINT(runtime/references)
-      int64_t& rounded_int,             // NOLINT(runtime/references)
-      double fs);
-  void round64_according_to_fcsr(
-      float toRound, float& rounded,  // NOLINT(runtime/references)
-      int64_t& rounded_int,           // NOLINT(runtime/references)
-      float fs);
+  void round_according_to_msacsr(Tfp toRound, Tfp* rounded, Tint* rounded_int);
+  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;