X87: Rename original constructor to new target.

src/x87/code-stubs-x87.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_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 1721 matching lines @@
   __ bind(&not_array_function);
   CreateWeakCellStub weak_cell_stub(isolate);
   CallStubInRecordCallTarget(masm, &weak_cell_stub, is_super);
   __ bind(&done);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   // eax : number of arguments
   // ebx : feedback vector
-  // ecx : original constructor (for IsSuperConstructorCall)
+  // ecx : new target (for IsSuperConstructorCall)
   // edx : slot in feedback vector (Smi, for RecordCallTarget)
   // edi : constructor function
 
   if (IsSuperConstructorCall()) {
     __ push(ecx);
   }
 
   Label non_function;
   // Check that function is not a smi.
   __ JumpIfSmi(edi, &non_function);
@@ skipping 14 matching lines @@
     __ j(equal, &feedback_register_initialized);
     __ mov(ebx, isolate()->factory()->undefined_value());
     __ bind(&feedback_register_initialized);
 
     __ AssertUndefinedOrAllocationSite(ebx);
   }
 
   if (IsSuperConstructorCall()) {
     __ pop(edx);
   } else {
-    // Pass original constructor to construct stub.
+    // Pass new target to construct stub.
     __ mov(edx, edi);
   }
 
   // Tail call to the function-specific construct stub (still in the caller
   // context at this point).
   __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
   __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kConstructStubOffset));
   __ lea(ecx, FieldOperand(ecx, Code::kHeaderSize));
   __ jmp(ecx);
 
@@ skipping 3644 matching lines @@
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87