[stubs,interpreter] Optimise SMI loading for 64-bit targets.

src/compiler/arm64/instruction-scheduler-arm64.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/compiler/instruction-scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 126 matching lines @@
     case kArm64CompareAndBranch32:
     case kArm64CompareAndBranch:
       return kIsBlockTerminator;
 
     case kArm64LdrS:
     case kArm64LdrD:
     case kArm64Ldrb:
     case kArm64Ldrsb:
     case kArm64Ldrh:
     case kArm64Ldrsh:
+    case kArm64Ldrsw:
     case kArm64LdrW:
     case kArm64Ldr:
       return kIsLoadOperation;
 
     case kArm64ClaimCSP:
     case kArm64ClaimJSSP:
     case kArm64PokeCSP:
     case kArm64PokeJSSP:
     case kArm64PokePair:
     case kArm64StrS:
@@ skipping 72 matching lines @@
       return 1;
 
     case kArm64Ldr:
     case kArm64LdrD:
     case kArm64LdrS:
     case kArm64LdrW:
     case kArm64Ldrb:
     case kArm64Ldrh:
     case kArm64Ldrsb:
     case kArm64Ldrsh:
+    case kArm64Ldrsw:
       return 11;
 
     case kCheckedLoadInt8:
     case kCheckedLoadUint8:
     case kCheckedLoadInt16:
     case kCheckedLoadUint16:
     case kCheckedLoadWord32:
     case kCheckedLoadWord64:
     case kCheckedLoadFloat32:
     case kCheckedLoadFloat64:
@@ skipping 85 matching lines @@
       return 5;
 
     default:
       return 2;
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8