Implement optional turbofan UnalignedLoad and UnalignedStore operators

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 8913591dad0fed9b42f9c943b142622f320db45d..8fe38a3a820470bc257a2a1ea017775af63c7b3d 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -661,9 +661,19 @@ class MacroAssembler: public Assembler {
 
   void mov(Register rd, Register rt) { or_(rd, rt, zero_reg); }
 
+  void Ulh(Register rd, const MemOperand& rs);
+  void Ulhu(Register rd, const MemOperand& rs);
+  void Ush(Register rd, const MemOperand& rs, Register scratch);
+
   void Ulw(Register rd, const MemOperand& rs);
   void Usw(Register rd, const MemOperand& rs);
 
+  void Ulwc1(FPURegister fd, const MemOperand& rs, Register scratch);
+  void Uswc1(FPURegister fd, const MemOperand& rs, Register scratch);
+
+  void Uldc1(FPURegister fd, const MemOperand& rs, Register scratch);
+  void Usdc1(FPURegister fd, const MemOperand& rs, Register scratch);
+
   // Load int32 in the rd register.
   void li(Register rd, Operand j, LiFlags mode = OPTIMIZE_SIZE);
   inline void li(Register rd, int32_t j, LiFlags mode = OPTIMIZE_SIZE) {