PPC: [Interpreter] Fix some issues in the non-x64 InterpreterNotifyDeoptimized builtins.

src/ppc/builtins-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 933 matching lines @@
     FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
     // Save accumulator register and pass the deoptimization type to
     // the runtime system.
     __ LoadSmiLiteral(r4, Smi::FromInt(static_cast<int>(type)));
     __ Push(kInterpreterAccumulatorRegister, r4);
     __ CallRuntime(Runtime::kNotifyDeoptimized);
     __ pop(kInterpreterAccumulatorRegister);  // Restore accumulator register.
     // Tear down internal frame.
   }
 
-  // Drop state (we don't use these for interpreter deopts) and push PC at top
-  // of stack (to simulate initial call to bytecode handler in interpreter entry
-  // trampoline).
-  __ pop(r4);
-  __ StoreP(r4, MemOperand(sp, 0));
+  // Drop state (we don't use these for interpreter deopts).
+  __ Drop(1);
 
   // Initialize register file register and dispatch table register.
   __ addi(kInterpreterRegisterFileRegister, fp,
           Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp));
   __ LoadRoot(kInterpreterDispatchTableRegister,
               Heap::kInterpreterTableRootIndex);
   __ addi(kInterpreterDispatchTableRegister, kInterpreterDispatchTableRegister,
           Operand(FixedArray::kHeaderSize - kHeapObjectTag));
 
   // Get the context from the frame.
@@ skipping 1409 matching lines @@
     __ bkpt(0);
   }
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC