Merge sin(a), cos(a) into one instruction. TODO: Implement for ARM and MIPS.

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 2971 matching lines @@
       kind_(kind) {
   ASSERT(inputs_->length() == InputCountFor(kind_));
   for (intptr_t i = 0; i < inputs_->length(); ++i) {
     ASSERT((*inputs)[i] != NULL);
     (*inputs)[i]->set_instruction(this);
     (*inputs)[i]->set_use_index(i);
   }
   deopt_id_ = original_deopt_id;
 }
 
+
+intptr_t MergedMathInstr::ResultIndexOf(MethodRecognizer::Kind kind) {
+  switch (kind) {
+    case MethodRecognizer::kMathSin: return 0;
+    case MethodRecognizer::kMathCos: return 1;
+    default: UNIMPLEMENTED(); return -1;
+  }
+}
+
+
+intptr_t MergedMathInstr::ResultIndexOf(Token::Kind token) {
+  switch (token) {
+    case Token::kTRUNCDIV: return 0;
+    case Token::kMOD: return 1;
+    default: UNIMPLEMENTED(); return -1;
+  }
+}
+
+
 #undef __
 
 }  // namespace dart