MIPS: Improve naming of turbofan ops for %_DoubleHi, %_DoubleLo and %_ConstructDouble.

src/compiler/mips64/code-generator-mips64.cc

Index: src/compiler/mips64/code-generator-mips64.cc
diff --git a/src/compiler/mips64/code-generator-mips64.cc b/src/compiler/mips64/code-generator-mips64.cc
index e345352747c9c3b06385aee0549309a8a1bb0d68..a9f99614c55f2c63a1c9913f705de311b5f366d2 100644
--- a/src/compiler/mips64/code-generator-mips64.cc
+++ b/src/compiler/mips64/code-generator-mips64.cc
@@ -685,16 +685,16 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       __ Trunc_uw_d(i.InputDoubleRegister(0), i.OutputRegister(), scratch);
       break;
     }
-    case kMips64FmoveLowUwD:
+    case kMips64Float64ExtractLowWord32:
       __ FmoveLow(i.OutputRegister(), i.InputDoubleRegister(0));
       break;
-    case kMips64FmoveLowDUw:
-      __ FmoveLow(i.OutputDoubleRegister(), i.InputRegister(1));
-      break;
-    case kMips64FmoveHighUwD:
+    case kMips64Float64ExtractHighWord32:
       __ FmoveHigh(i.OutputRegister(), i.InputDoubleRegister(0));
       break;
-    case kMips64FmoveHighDUw:
+    case kMips64Float64InsertLowWord32:
+      __ FmoveLow(i.OutputDoubleRegister(), i.InputRegister(1));
+      break;
+    case kMips64Float64InsertHighWord32:
       __ FmoveHigh(i.OutputDoubleRegister(), i.InputRegister(1));
       break;
     // ... more basic instructions ...