MIPS: Implement MADD.S, MSUB, MADDF and MSUBF.

src/mips64/assembler-mips64.h

Index: src/mips64/assembler-mips64.h
diff --git a/src/mips64/assembler-mips64.h b/src/mips64/assembler-mips64.h
index e269acfc2842c5ac8be10684c6d5f3c7377f4997..dc3198cd9f68db70a255df810e6964cbf69aedec 100644
--- a/src/mips64/assembler-mips64.h
+++ b/src/mips64/assembler-mips64.h
@@ -939,7 +939,14 @@ class Assembler : public AssemblerBase {
   void sub_d(FPURegister fd, FPURegister fs, FPURegister ft);
   void mul_s(FPURegister fd, FPURegister fs, FPURegister ft);
   void mul_d(FPURegister fd, FPURegister fs, FPURegister ft);
+  void madd_s(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft);
   void madd_d(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft);
+  void msub_s(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft);
+  void msub_d(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft);
+  void maddf_s(FPURegister fd, FPURegister fs, FPURegister ft);
+  void maddf_d(FPURegister fd, FPURegister fs, FPURegister ft);
+  void msubf_s(FPURegister fd, FPURegister fs, FPURegister ft);
+  void msubf_d(FPURegister fd, FPURegister fs, FPURegister ft);
   void div_s(FPURegister fd, FPURegister fs, FPURegister ft);
   void div_d(FPURegister fd, FPURegister fs, FPURegister ft);
   void abs_s(FPURegister fd, FPURegister fs);