A64: Synchronize with r15545.

src/a64/full-codegen-a64.cc

 // Copyright 2013 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
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
-#if defined(V8_TARGET_ARCH_A64)
+#if V8_TARGET_ARCH_A64
 
 #include "code-stubs.h"
 #include "codegen.h"
 #include "compiler.h"
 #include "debug.h"
 #include "full-codegen.h"
 #include "isolate-inl.h"
 #include "parser.h"
 #include "scopes.h"
 #include "stub-cache.h"
@@ skipping 4055 matching lines @@
     }
     default:
       UNREACHABLE();
   }
 }
 
 
 void FullCodeGenerator::EmitUnaryOperation(UnaryOperation* expr,
                                            const char* comment) {
   Comment cmt(masm_, comment);
-  bool can_overwrite = expr->expression()->ResultOverwriteAllowed();
-  UnaryOverwriteMode overwrite =
-      can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE;
-  UnaryOpStub stub(expr->op(), overwrite);
+  UnaryOpStub stub(expr->op());
   // UnaryOpStub expects the argument to be in the accumulator register x0.
   VisitForAccumulatorValue(expr->expression());
   SetSourcePosition(expr->position());
   CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
          expr->UnaryOperationFeedbackId());
   context()->Plug(x0);
 }
 
 
 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
@@ skipping 875 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64