Replace movq with movp for X64 when the operand size is kPointerSize

src/x64/debug-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // 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 302 matching lines @@
 void Debug::GeneratePlainReturnLiveEdit(MacroAssembler* masm) {
   masm->ret(0);
 }
 
 
 void Debug::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
   ExternalReference restarter_frame_function_slot =
       ExternalReference(Debug_Address::RestarterFrameFunctionPointer(),
                         masm->isolate());
   __ Move(rax, restarter_frame_function_slot);
-  __ movq(Operand(rax, 0), Immediate(0));
+  __ movp(Operand(rax, 0), Immediate(0));
 
   // We do not know our frame height, but set rsp based on rbp.
   __ lea(rsp, Operand(rbp, -1 * kPointerSize));
 
   __ pop(rdi);  // Function.
   __ pop(rbp);
 
   // Load context from the function.
-  __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
+  __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
 
   // Get function code.
-  __ movq(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
-  __ movq(rdx, FieldOperand(rdx, SharedFunctionInfo::kCodeOffset));
+  __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
+  __ movp(rdx, FieldOperand(rdx, SharedFunctionInfo::kCodeOffset));
   __ lea(rdx, FieldOperand(rdx, Code::kHeaderSize));
 
   // Re-run JSFunction, rdi is function, rsi is context.
   __ jmp(rdx);
 }
 
 const bool Debug::kFrameDropperSupported = true;
 
 #undef __
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64