[turbofan] Add backend support for float32 operations.

src/compiler/node-matchers.h

 // 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.
 
 #ifndef V8_COMPILER_NODE_MATCHERS_H_
 #define V8_COMPILER_NODE_MATCHERS_H_
 
 #include <cmath>
 
 // TODO(turbofan): Move ExternalReference out of assembler.h
@@ skipping 212 matching lines @@
   Left left_;
   Right right_;
 };
 
 typedef BinopMatcher<Int32Matcher, Int32Matcher> Int32BinopMatcher;
 typedef BinopMatcher<Uint32Matcher, Uint32Matcher> Uint32BinopMatcher;
 typedef BinopMatcher<Int64Matcher, Int64Matcher> Int64BinopMatcher;
 typedef BinopMatcher<Uint64Matcher, Uint64Matcher> Uint64BinopMatcher;
 typedef BinopMatcher<IntPtrMatcher, IntPtrMatcher> IntPtrBinopMatcher;
 typedef BinopMatcher<UintPtrMatcher, UintPtrMatcher> UintPtrBinopMatcher;
+typedef BinopMatcher<Float32Matcher, Float32Matcher> Float32BinopMatcher;
 typedef BinopMatcher<Float64Matcher, Float64Matcher> Float64BinopMatcher;
 typedef BinopMatcher<NumberMatcher, NumberMatcher> NumberBinopMatcher;
 
 
 template <class BinopMatcher, IrOpcode::Value kMulOpcode,
           IrOpcode::Value kShiftOpcode>
 struct ScaleMatcher {
   explicit ScaleMatcher(Node* node, bool allow_power_of_two_plus_one = false)
       : scale_(-1), power_of_two_plus_one_(false) {
     if (node->InputCount() < 2) return;
@@ skipping 296 matching lines @@
 typedef BaseWithIndexAndDisplacementMatcher<Int32AddMatcher>
     BaseWithIndexAndDisplacement32Matcher;
 typedef BaseWithIndexAndDisplacementMatcher<Int64AddMatcher>
     BaseWithIndexAndDisplacement64Matcher;
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_NODE_MATCHERS_H_