MIPS: Added support for Loongson architectures.

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 56a3433b86ffe8b421f927e9bbb703e726344a98..420210dfec1087f1095ca195b15aaf9254939bd9 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -226,7 +226,14 @@ class MacroAssembler: public Assembler {
     mtc1(src_high, FPURegister::from_code(dst.code() + 1));
   }
 
+  // Conditional move.
   void Move(FPURegister dst, double imm);
+  void Movz(Register rd, Register rs, Register rt);
+  void Movn(Register rd, Register rs, Register rt);
+  void Movt(Register rd, Register rs, uint16_t cc = 0);
+  void Movf(Register rd, Register rs, uint16_t cc = 0);
+
+  void Clz(Register rd, Register rs);
 
   // Jump unconditionally to given label.
   // We NEED a nop in the branch delay slot, as it used by v8, for example in
@@ -692,6 +699,10 @@ class MacroAssembler: public Assembler {
   void Trunc_uw_d(FPURegister fd, FPURegister fs, FPURegister scratch);
   void Trunc_uw_d(FPURegister fd, Register rs, FPURegister scratch);
 
+  void Trunc_w_d(FPURegister fd, FPURegister fs);
+  void Round_w_d(FPURegister fd, FPURegister fs);
+  void Floor_w_d(FPURegister fd, FPURegister fs);
+  void Ceil_w_d(FPURegister fd, FPURegister fs);
   // Wrapper function for the different cmp/branch types.
   void BranchF(Label* target,
                Label* nan,