MIPS: Followup '[turbofan] Introduce new operators Float32SubPreserveNan and Float64SubPreserveNan'.

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

Index: src/compiler/mips/code-generator-mips.cc
diff --git a/src/compiler/mips/code-generator-mips.cc b/src/compiler/mips/code-generator-mips.cc
index bbf662fe0a1df9e1dfa45256a5946d59ebe8c103..d64d4e4f65426f3c60af6ddf907e399a9d3db9ed 100644
--- a/src/compiler/mips/code-generator-mips.cc
+++ b/src/compiler/mips/code-generator-mips.cc
@@ -981,6 +981,11 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       __ sub_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                i.InputDoubleRegister(1));
       break;
+    case kMipsSubPreserveNanS:
+      __ SubNanPreservePayloadAndSign_s(i.OutputDoubleRegister(),
+                                        i.InputDoubleRegister(0),
+                                        i.InputDoubleRegister(1));
+      break;
     case kMipsMulS:
       // TODO(plind): add special case: right op is -1.0, see arm port.
       __ mul_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
@@ -1047,6 +1052,11 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       __ sub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                i.InputDoubleRegister(1));
       break;
+    case kMipsSubPreserveNanD:
+      __ SubNanPreservePayloadAndSign_d(i.OutputDoubleRegister(),
+                                        i.InputDoubleRegister(0),
+                                        i.InputDoubleRegister(1));
+      break;
     case kMipsMulD:
       // TODO(plind): add special case: right op is -1.0, see arm port.
       __ mul_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),