Recognize Math's min and max function for doubles and inline the operation.

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
@@ skipping 131 matching lines @@
 }
 
 
 bool StrictCompareInstr::AttributesEqual(Instruction* other) const {
   StrictCompareInstr* other_op = other->AsStrictCompare();
   ASSERT(other_op != NULL);
   return kind() == other_op->kind();
 }
 
 
+bool MathMinMaxInstr::AttributesEqual(Instruction* other) const {
+  MathMinMaxInstr* other_op = other->AsMathMinMax();
+  ASSERT(other_op != NULL);
+  return (op_kind() == other_op->op_kind()) &&
+      (result_cid() == other_op->result_cid());
+}
+
 bool BinarySmiOpInstr::AttributesEqual(Instruction* other) const {
   BinarySmiOpInstr* other_op = other->AsBinarySmiOp();
   ASSERT(other_op != NULL);
   return (op_kind() == other_op->op_kind()) &&
       (overflow_ == other_op->overflow_) &&
       (is_truncating_ == other_op->is_truncating_);
 }
 
 
 EffectSet LoadFieldInstr::Dependencies() const {
@@ skipping 2435 matching lines @@
     default:
       UNREACHABLE();
   }
   return kPowRuntimeEntry;
 }
 
 
 #undef __
 
 }  // namespace dart