PPC/s390: [builtins] Port TypedArrayConstructByArrayBuffer to CodeStubAssembler.

src/compiler/ppc/instruction-selector-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.
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/ppc/frames-ppc.h"
 
@@ skipping 1222 matching lines @@
 void InstructionSelector::VisitChangeInt32ToInt64(Node* node) {
   // TODO(mbrandy): inspect input to see if nop is appropriate.
   VisitRR(this, kPPC_ExtendSignWord32, node);
 }
 
 
 void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
   // TODO(mbrandy): inspect input to see if nop is appropriate.
   VisitRR(this, kPPC_Uint32ToUint64, node);
 }
+
+void InstructionSelector::VisitChangeFloat64ToUint64(Node* node) {
+  VisitRR(this, kPPC_DoubleToUint64, node);
+}
 #endif
 
 
 void InstructionSelector::VisitTruncateFloat64ToFloat32(Node* node) {
   VisitRR(this, kPPC_DoubleToFloat32, node);
 }
 
 void InstructionSelector::VisitTruncateFloat64ToWord32(Node* node) {
   VisitRR(this, kArchTruncateDoubleToI, node);
 }
@@ skipping 880 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8