Improve polymorphic inlining of int/int double/double operations.

runtime/vm/stub_code_arm64.cc

 // Copyright (c) 2014, 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/globals.h"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1584 matching lines @@
   __ Bind(&stepping);
   __ EnterStubFrame();
   __ Push(R5);  // Preserve IC data.
   __ CallRuntime(kSingleStepHandlerRuntimeEntry, 0);
   __ Pop(R5);
   __ LeaveStubFrame();
   __ b(&done_stepping);
 }
 
 
+void StubCode::GenerateOneArgUnoptimizedStaticCallStub(Assembler* assembler) {
+  GenerateUsageCounterIncrement(assembler, R6);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 1, kStaticCallMissHandlerOneArgRuntimeEntry);
+}
+
+
 void StubCode::GenerateTwoArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 2, kStaticCallMissHandlerTwoArgsRuntimeEntry);
 }
 
 
 // Stub for compiling a function and jumping to the compiled code.
 // R5: IC-Data (for methods).
 // R4: Arguments descriptor.
@@ skipping 347 matching lines @@
   const Register right = R0;
   __ LoadFromOffset(left, SP, 1 * kWordSize, kNoPP);
   __ LoadFromOffset(right, SP, 0 * kWordSize, kNoPP);
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64