Remove value check from ICData checks/house-keeping

runtime/vm/stub_code_x64.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/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1528 matching lines @@
 
 void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
       kInlineCacheMissHandlerTwoArgsRuntimeEntry,
       Token::kILLEGAL,
       kIgnoreRanges);
 }
 
 
-void StubCode::GenerateThreeArgsCheckInlineCacheStub(Assembler* assembler) {
-  GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 3,
-      kInlineCacheMissHandlerThreeArgsRuntimeEntry,
-      Token::kILLEGAL,
-      kIgnoreRanges);
-}
-
-
 void StubCode::GenerateSmiAddInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
       kInlineCacheMissHandlerTwoArgsRuntimeEntry,
       Token::kADD,
       kCollectRanges);
 }
 
 
 void StubCode::GenerateSmiSubInlineCacheStub(Assembler* assembler) {
@@ skipping 58 matching lines @@
 void StubCode::GenerateTwoArgsOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
       kInlineCacheMissHandlerTwoArgsRuntimeEntry,
       Token::kILLEGAL,
       kIgnoreRanges);
 }
 
 
-void StubCode::GenerateThreeArgsOptimizedCheckInlineCacheStub(
-    Assembler* assembler) {
-  GenerateOptimizedUsageCounterIncrement(assembler);
-  GenerateNArgsCheckInlineCacheStub(assembler, 3,
-      kInlineCacheMissHandlerThreeArgsRuntimeEntry,
-      Token::kILLEGAL,
-      kIgnoreRanges);
-}
-
-
 // Intermediary stub between a static call and its target. ICData contains
 // the target function and the call count.
 // RBX: ICData
 void StubCode::GenerateZeroArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
 #if defined(DEBUG)
   { Label ok;
     // Check that the IC data array has NumArgsTested() == 0.
     // 'NumArgsTested' is stored in the least significant bits of 'state_bits'.
     __ movl(RCX, FieldAddress(RBX, ICData::state_bits_offset()));
@@ skipping 518 matching lines @@
 // Result:
 //  RCX: entry point.
 void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
   EmitMegamorphicLookup(assembler, RDI, RBX, RCX);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64