MIPS: Add float instructions and test coverage, part one

src/mips/assembler-mips.h

Index: src/mips/assembler-mips.h
diff --git a/src/mips/assembler-mips.h b/src/mips/assembler-mips.h
index 6cdfcfdabd65cf43ad5be911c020ee7486136947..85ebcb73cca40f77ea5e110a0a14517bbc1f1984 100644
--- a/src/mips/assembler-mips.h
+++ b/src/mips/assembler-mips.h
@@ -859,7 +859,14 @@ class Assembler : public AssemblerBase {
   void selnez(Register rd, Register rs, Register rt);
   void selnez(SecondaryField fmt, FPURegister fd, FPURegister fs,
               FPURegister ft);
-
+  void movz_s(FPURegister fd, FPURegister fs, Register rt);
+  void movz_d(FPURegister fd, FPURegister fs, Register rt);
+  void movt_s(FPURegister fd, FPURegister fs, uint16_t cc);
+  void movt_d(FPURegister fd, FPURegister fs, uint16_t cc);
+  void movf_s(FPURegister fd, FPURegister fs, uint16_t cc);
+  void movf_d(FPURegister fd, FPURegister fs, uint16_t cc);
+  void movn_s(FPURegister fd, FPURegister fs, Register rt);
+  void movn_d(FPURegister fd, FPURegister fs, Register rt);
   // Bit twiddling.
   void clz(Register rd, Register rs);
   void ins_(Register rt, Register rs, uint16_t pos, uint16_t size);
@@ -896,10 +903,15 @@ class Assembler : public AssemblerBase {
   void abs_s(FPURegister fd, FPURegister fs);
   void abs_d(FPURegister fd, FPURegister fs);
   void mov_d(FPURegister fd, FPURegister fs);
+  void mov_s(FPURegister fd, FPURegister fs);
   void neg_s(FPURegister fd, FPURegister fs);
   void neg_d(FPURegister fd, FPURegister fs);
   void sqrt_s(FPURegister fd, FPURegister fs);
   void sqrt_d(FPURegister fd, FPURegister fs);
+  void rsqrt_s(FPURegister fd, FPURegister fs);
+  void rsqrt_d(FPURegister fd, FPURegister fs);
+  void recip_d(FPURegister fd, FPURegister fs);
+  void recip_s(FPURegister fd, FPURegister fs);
 
   // Conversion.
   void cvt_w_s(FPURegister fd, FPURegister fs);