Get rid of dynamic call debug stub

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 2063 matching lines @@
 
   __ lw(S5, Address(SP, 2 * kWordSize));
   __ lw(S4, Address(SP, 1 * kWordSize));
   __ lw(T0, Address(SP, 0 * kWordSize));
   __ addiu(SP, SP, Immediate(3 * kWordSize));
   __ LeaveStubFrame();
   __ jr(T0);
 }
 
 
-//  RA: return address (Dart code).
-//  S5: Inline cache data array.
-void StubCode::GenerateBreakpointDynamicStub(Assembler* assembler) {
-  // Create a stub frame as we are pushing some objects on the stack before
-  // calling into the runtime.
-  __ TraceSimMsg("BreakpointDynamicStub");
-  __ EnterStubFrame();
-  __ Push(S5);
-  __ CallRuntime(kBreakpointDynamicHandlerRuntimeEntry, 0);
-  __ Pop(S5);
-  __ LeaveStubFrame();
-
-  // Find out which dispatch stub to call.
-  __ lw(T1, FieldAddress(S5, ICData::num_args_tested_offset()));
-
-  Label one_arg, two_args, three_args;
-  __ BranchEqual(T1, 1, &one_arg);
-  __ BranchEqual(T1, 2, &two_args);
-  __ BranchEqual(T1, 3, &three_args);
-  __ Stop("Unsupported number of arguments tested.");
-
-  __ Bind(&one_arg);
-  __ Branch(&StubCode::OneArgCheckInlineCacheLabel());
-  __ Bind(&two_args);
-  __ Branch(&StubCode::TwoArgsCheckInlineCacheLabel());
-  __ Bind(&three_args);
-  __ Branch(&StubCode::ThreeArgsCheckInlineCacheLabel());
-  __ break_(0);
-}
-
-
 // Called only from unoptimized code. All relevant registers have been saved.
 // RA: return address.
 void StubCode::GenerateDebugStepCheckStub(Assembler* assembler) {
   // Check single stepping.
   Label not_stepping;
   __ lw(T0, FieldAddress(CTX, Context::isolate_offset()));
   __ lbu(T0, Address(T0, Isolate::single_step_offset()));
   __ BranchEqual(T0, 0, &not_stepping);
   // Call single step callback in debugger.
   __ EnterStubFrame();
@@ skipping 303 matching lines @@
   const Register right = T0;
   __ lw(left, Address(SP, 1 * kWordSize));
   __ lw(right, Address(SP, 0 * kWordSize));
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp1, temp2);
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS