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

runtime/vm/stub_code_mips.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_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 2160 matching lines @@
 }
 
 
 // Called from megamorphic calls.
 //  T0: receiver
 //  S5: MegamorphicCache (preserved)
 // Passed to target:
 //  CODE_REG: target Code object
 //  S4: arguments descriptor
 void StubCode::GenerateMegamorphicCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   __ LoadTaggedClassIdMayBeSmi(T0, T0);
   // T0: class ID of the receiver (smi).
   __ lw(S4, FieldAddress(S5, MegamorphicCache::arguments_descriptor_offset()));
   __ lw(T2, FieldAddress(S5, MegamorphicCache::buckets_offset()));
   __ lw(T1, FieldAddress(S5, MegamorphicCache::mask_offset()));
   // T2: cache buckets array.
   // T1: mask.
   __ LoadImmediate(TMP, MegamorphicCache::kSpreadFactor);
   __ mult(TMP, T0);
   __ mflo(T3);
@@ skipping 31 matching lines @@
 }
 
 
 // Called from switchable IC calls.
 //  T0: receiver
 //  S5: ICData (preserved)
 // Passed to target:
 //  CODE_REG: target Code object
 //  S4: arguments descriptor
 void StubCode::GenerateICCallThroughFunctionStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label loop, found, miss;
   __ lw(T6, FieldAddress(S5, ICData::ic_data_offset()));
   __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset()));
   __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag);
   // T6: first IC entry.
   __ LoadTaggedClassIdMayBeSmi(T1, T0);
   // T1: receiver cid as Smi
 
   __ Bind(&loop);
   __ lw(T2, Address(T6, 0));
@@ skipping 14 matching lines @@
 
   __ Bind(&miss);
   __ LoadIsolate(T2);
   __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset()));
   __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ jr(T1);
 }
 
 
 void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label loop, found, miss;
   __ lw(T6, FieldAddress(S5, ICData::ic_data_offset()));
   __ lw(S4, FieldAddress(S5, ICData::arguments_descriptor_offset()));
   __ AddImmediate(T6, T6, Array::data_offset() - kHeapObjectTag);
   // T6: first IC entry.
   __ LoadTaggedClassIdMayBeSmi(T1, T0);
   // T1: receiver cid as Smi
 
   __ Bind(&loop);
   __ lw(T2, Address(T6, 0));
@@ skipping 17 matching lines @@
   __ lw(CODE_REG, Address(T2, Isolate::ic_miss_code_offset()));
   __ lw(T1, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ jr(T1);
 }
 
 
 // Called from switchable IC calls.
 //  T0: receiver
 //  S5: SingleTargetCache
 void StubCode::GenerateUnlinkedCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   __ EnterStubFrame();
   __ Push(T0);  // Preserve receiver.
 
   __ Push(ZR);  // Result slot.
   __ Push(T0);  // Arg0: Receiver
   __ Push(S5);  // Arg1: UnlinkedCall
   __ CallRuntime(kUnlinkedCallRuntimeEntry, 2);
   __ Drop(2);
   __ Pop(S5);  // result = IC
 
   __ Pop(T0);  // Restore receiver.
   __ LeaveStubFrame();
 
   __ lw(CODE_REG, Address(THR, Thread::ic_lookup_through_code_stub_offset()));
   __ lw(T1, FieldAddress(CODE_REG, Code::checked_entry_point_offset()));
   __ jr(T1);
 }
 
 
 // Called from switchable IC calls.
 //  T0: receiver
 //  S5: SingleTargetCache
 // Passed to target:
 //  CODE_REG: target Code object
 void StubCode::GenerateSingleTargetCallStub(Assembler* assembler) {
-  __ NoMonomorphicCheckedEntry();
-
   Label miss;
-
   __ LoadClassIdMayBeSmi(T1, T0);
   __ lhu(T2, FieldAddress(S5, SingleTargetCache::lower_limit_offset()));
   __ lhu(T3, FieldAddress(S5, SingleTargetCache::upper_limit_offset()));
 
   __ BranchUnsignedLess(T1, T2, &miss);
   __ BranchUnsignedGreater(T1, T3, &miss);
 
   __ lw(T1, FieldAddress(S5, SingleTargetCache::entry_point_offset()));
   __ lw(CODE_REG, FieldAddress(S5, SingleTargetCache::target_offset()));
   __ jr(T1);
@@ skipping 39 matching lines @@
 }
 
 
 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) {
   __ break_(0);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS