Remove dead code for generated code coverage.

src/full-codegen/mips/full-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 432 matching lines @@
       // Push the return value on the stack as the parameter.
       // Runtime::TraceExit returns its parameter in v0.
       __ push(v0);
       __ CallRuntime(Runtime::kTraceExit);
     }
     EmitProfilingCounterHandlingForReturnSequence(false);
 
     // Make sure that the constant pool is not emitted inside of the return
     // sequence.
     { Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
-      // Here we use masm_-> instead of the __ macro to avoid the code coverage
-      // tool from instrumenting as we rely on the code size here.
       int32_t arg_count = info_->scope()->num_parameters() + 1;
       int32_t sp_delta = arg_count * kPointerSize;
       SetReturnPosition(literal());
-      masm_->mov(sp, fp);
-      masm_->MultiPop(static_cast<RegList>(fp.bit() | ra.bit()));
-      masm_->Addu(sp, sp, Operand(sp_delta));
-      masm_->Jump(ra);
+      __ mov(sp, fp);
+      __ MultiPop(static_cast<RegList>(fp.bit() | ra.bit()));
+      __ Addu(sp, sp, Operand(sp_delta));
+      __ Jump(ra);
     }
   }
 }
 
 void FullCodeGenerator::RestoreContext() {
   __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
 }
 
 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const {
   DCHECK(var->IsStackAllocated() || var->IsContextSlot());
@@ skipping 3316 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OnStackReplacement()->entry()));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS