Add HArrayBufferNotNeutered instruction

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.7
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5150 matching lines @@
 
 void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) {
   if (!instr->hydrogen()->value()->type().IsHeapObject()) {
     LOperand* input = instr->value();
     __ SmiTst(ToRegister(input), at);
     DeoptimizeIf(eq, instr, Deoptimizer::kSmi, at, Operand(zero_reg));
   }
 }
 
 
+void LCodeGen::DoCheckArrayBufferNotNeutered(
+    LCheckArrayBufferNotNeutered* instr) {
+  Register view = ToRegister(instr->view());
+  Register scratch = scratch0();
+
+  Label has_no_buffer;
+  __ lw(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset));
+  __ JumpIfSmi(scratch, &has_no_buffer);
+  __ lw(scratch, FieldMemOperand(scratch, JSArrayBuffer::kBitFieldOffset));
+  __ And(at, scratch, 1 << JSArrayBuffer::WasNeutered::kShift);
+  DeoptimizeIf(ne, instr, Deoptimizer::kOutOfBounds);
+
+  __ bind(&has_no_buffer);
+}
+
+
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
   Register input = ToRegister(instr->value());
   Register scratch = scratch0();
 
   __ GetObjectType(input, scratch, scratch);
 
   if (instr->hydrogen()->is_interval_check()) {
     InstanceType first;
     InstanceType last;
     instr->hydrogen()->GetCheckInterval(&first, &last);
@@ skipping 800 matching lines @@
   __ li(at, scope_info);
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal