[turbofan] Add Float32(Max|Min) machine operators.

src/compiler/typer.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/typer.h"
 
 #include <iomanip>
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
@@ skipping 2085 matching lines @@
 
 Type* Typer::Visitor::TypeFloat32LessThan(Node* node) {
   return Type::Boolean();
 }
 
 
 Type* Typer::Visitor::TypeFloat32LessThanOrEqual(Node* node) {
   return Type::Boolean();
 }
 
+Type* Typer::Visitor::TypeFloat32Max(Node* node) { return Type::Number(); }
+
+Type* Typer::Visitor::TypeFloat32Min(Node* node) { return Type::Number(); }
 
 Type* Typer::Visitor::TypeFloat64Add(Node* node) { return Type::Number(); }
 
 
 Type* Typer::Visitor::TypeFloat64Sub(Node* node) { return Type::Number(); }
 
 Type* Typer::Visitor::TypeFloat64Neg(Node* node) { return Type::Number(); }
 
 Type* Typer::Visitor::TypeFloat64Mul(Node* node) { return Type::Number(); }
 
@@ skipping 224 matching lines @@
   }
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8