Remove default monomorphic check code from functions and stubs that do not need it.

runtime/vm/stub_code_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 2013 matching lines @@
 }
 
 
 // Called from megamorphic calls.
 //  R0: receiver
 //  R9: MegamorphicCache (preserved)
 // Passed to target:
 //  CODE_REG: target Code
 //  R4: arguments descriptor
 void StubCode::GenerateMegamorphicCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   __ LoadTaggedClassIdMayBeSmi(R0, R0);
   // R0: receiver cid as Smi.
   __ ldr(R2, FieldAddress(R9, MegamorphicCache::buckets_offset()));
   __ ldr(R1, FieldAddress(R9, MegamorphicCache::mask_offset()));
   // R2: cache buckets array.
   // R1: mask.
 
   // Compute the table index.
   ASSERT(MegamorphicCache::kSpreadFactor == 7);
   // Use reverse substract to multiply with 7 == 8 - 1.
@@ skipping 35 matching lines @@
 }
 
 
 // Called from switchable IC calls.
 //  R0: receiver
 //  R9: ICData (preserved)
 // Passed to target:
 //  CODE_REG: target Code object
 //  R4: arguments descriptor
 void StubCode::GenerateICCallThroughFunctionStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label loop, found, miss;
   __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset()));
   __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset()));
   __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag);
   // R8: first IC entry
   __ LoadTaggedClassIdMayBeSmi(R1, R0);
   // R1: receiver cid as Smi
 
   __ Bind(&loop);
   __ ldr(R2, Address(R8, 0));
@@ skipping 15 matching lines @@
 
   __ Bind(&miss);
   __ LoadIsolate(R2);
   __ ldr(CODE_REG, Address(R2, Isolate::ic_miss_code_offset()));
   __ ldr(R1, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ bx(R1);
 }
 
 
 void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label loop, found, miss;
   __ ldr(R4, FieldAddress(R9, ICData::arguments_descriptor_offset()));
   __ ldr(R8, FieldAddress(R9, ICData::ic_data_offset()));
   __ AddImmediate(R8, R8, Array::data_offset() - kHeapObjectTag);
   // R8: first IC entry
   __ LoadTaggedClassIdMayBeSmi(R1, R0);
   // R1: receiver cid as Smi
 
   __ Bind(&loop);
   __ ldr(R2, Address(R8, 0));
@@ skipping 18 matching lines @@
   __ ldr(CODE_REG, Address(R2, Isolate::ic_miss_code_offset()));
   __ ldr(R1, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ bx(R1);
 }
 
 
 // Called from switchable IC calls.
 //  R0: receiver
 //  R9: UnlinkedCall
 void StubCode::GenerateUnlinkedCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   __ EnterStubFrame();
   __ Push(R0);  // Preserve receiver.
 
   __ LoadImmediate(IP, 0);
   __ Push(IP);  // Result slot
   __ Push(R0);  // Arg0: Receiver
   __ Push(R9);  // Arg1: UnlinkedCall
   __ CallRuntime(kUnlinkedCallRuntimeEntry, 2);
   __ Drop(2);
   __ Pop(R9);  // result = IC
 
   __ Pop(R0);  // Restore receiver.
   __ LeaveStubFrame();
 
   __ ldr(CODE_REG, Address(THR, Thread::ic_lookup_through_code_stub_offset()));
   __ ldr(R1, FieldAddress(CODE_REG, Code::checked_entry_point_offset()));
   __ bx(R1);
 }
 
 
 // Called from switchable IC calls.
 //  R0: receiver
 //  R9: SingleTargetCache
 // Passed to target:
 //  CODE_REG: target Code object
 void StubCode::GenerateSingleTargetCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label miss;
-
   __ LoadClassIdMayBeSmi(R1, R0);
   __ ldrh(R2, FieldAddress(R9, SingleTargetCache::lower_limit_offset()));
   __ ldrh(R3, FieldAddress(R9, SingleTargetCache::upper_limit_offset()));
 
   __ cmp(R1, Operand(R2));
   __ b(&miss, LT);
   __ cmp(R1, Operand(R3));
   __ b(&miss, GT);
 
   __ ldr(R1, FieldAddress(R9, SingleTargetCache::entry_point_offset()));
@@ skipping 43 matching lines @@
 }
 
 
 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) {
   __ bkpt(0);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM