Allow specifying base offset when constructing Keyed hydrogen instructions

src/arm64/lithium-arm64.h

 // Copyright 2013 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.
 
 #ifndef V8_ARM64_LITHIUM_ARM64_H_
 #define V8_ARM64_LITHIUM_ARM64_H_
 
 #include "hydrogen.h"
 #include "lithium-allocator.h"
 #include "lithium.h"
@@ skipping 1739 matching lines @@
   }
   bool is_external() const {
     return this->hydrogen()->is_external();
   }
   bool is_fixed_typed_array() const {
     return hydrogen()->is_fixed_typed_array();
   }
   bool is_typed_elements() const {
     return is_external() || is_fixed_typed_array();
   }
-  uint32_t additional_index() const {
-    return this->hydrogen()->index_offset();
+  uint32_t base_offset() const {
+    return this->hydrogen()->base_offset();
   }
   void PrintDataTo(StringStream* stream) V8_OVERRIDE {
     this->elements()->PrintTo(stream);
     stream->Add("[");
     this->key()->PrintTo(stream);
-    if (this->hydrogen()->IsDehoisted()) {
-      stream->Add(" + %d]", this->additional_index());
+    if (this->base_offset() != 0) {
+      stream->Add(" + %d]", this->base_offset());
     } else {
       stream->Add("]");
     }
   }
 
   DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
 };
 
 
 class LLoadKeyedExternal: public LLoadKeyed<1> {
@@ skipping 633 matching lines @@
     return this->hydrogen()->elements_kind();
   }
 
   bool NeedsCanonicalization() {
     if (hydrogen()->value()->IsAdd() || hydrogen()->value()->IsSub() ||
         hydrogen()->value()->IsMul() || hydrogen()->value()->IsDiv()) {
       return false;
     }
     return this->hydrogen()->NeedsCanonicalization();
   }
-  uint32_t additional_index() const { return this->hydrogen()->index_offset(); }
+  uint32_t base_offset() const { return this->hydrogen()->base_offset(); }
 
   void PrintDataTo(StringStream* stream) V8_OVERRIDE {
     this->elements()->PrintTo(stream);
     stream->Add("[");
     this->key()->PrintTo(stream);
-    if (this->hydrogen()->IsDehoisted()) {
-      stream->Add(" + %d] <-", this->additional_index());
+    if (this->base_offset() != 0) {
+      stream->Add(" + %d] <-", this->base_offset());
     } else {
       stream->Add("] <- ");
     }
 
     if (this->value() == NULL) {
       ASSERT(hydrogen()->IsConstantHoleStore() &&
              hydrogen()->value()->representation().IsDouble());
       stream->Add("<the hole(nan)>");
     } else {
       this->value()->PrintTo(stream);
@@ skipping 748 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_LITHIUM_ARM64_H_