MIPS: [turbofan] Introduce optional Float64Min and Float64Max machine operators.

src/compiler/mips/instruction-selector-mips.cc

Index: src/compiler/mips/instruction-selector-mips.cc
diff --git a/src/compiler/mips/instruction-selector-mips.cc b/src/compiler/mips/instruction-selector-mips.cc
index 427cc2c3b5c4d76da41600621c81d74c546ec7e9..2822e44a8b64f984fa419bd92104c3e3b6159554 100644
--- a/src/compiler/mips/instruction-selector-mips.cc
+++ b/src/compiler/mips/instruction-selector-mips.cc
@@ -437,6 +437,12 @@ void InstructionSelector::VisitFloat64Mod(Node* node) {
 }
 
 
+void InstructionSelector::VisitFloat64Max(Node* node) { UNREACHABLE(); }
+
+
+void InstructionSelector::VisitFloat64Min(Node* node) { UNREACHABLE(); }
+
+
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   MipsOperandGenerator g(this);
   Emit(kMipsSqrtD, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0)));