Use UnboxedInt32 and UnboxedUint32 representation for LoadIndexedInstr

runtime/vm/assembler_arm64.h

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_ARM64_H_
 #define VM_ASSEMBLER_ARM64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm64.h directly; use assembler.h instead.
 #endif
@@ skipping 700 matching lines @@
     ASSERT(rn != CSP);
     const Register crn = ConcreteRegister(rn);
     EmitFPIntCvtOp(FMOVDR, static_cast<Register>(vd), crn);
   }
   void fmovrd(Register rd, VRegister vn) {
     ASSERT(rd != R31);
     ASSERT(rd != CSP);
     const Register crd = ConcreteRegister(rd);
     EmitFPIntCvtOp(FMOVRD, crd, static_cast<Register>(vn));
   }
+  // 64-bit to double precision.
   void scvtfd(VRegister vd, Register rn) {

[zra, 2014/10/09 18:00:30]

scvtfdx to be consistent with x/w in other instructions.

[Cutch, 2014/10/09 18:49:11]

Done.

     ASSERT(rn != R31);
     ASSERT(rn != CSP);
     const Register crn = ConcreteRegister(rn);
     EmitFPIntCvtOp(SCVTFD, static_cast<Register>(vd), crn);
   }
+  // 32-bit to double precision.
+  void scvtfd32(VRegister vd, Register rn) {

[zra, 2014/10/09 18:00:30]

scvtfdw to be consistent with x/w in other instructions.

[Cutch, 2014/10/09 18:49:11]

Done.

+    ASSERT(rn != R31);
+    ASSERT(rn != CSP);
+    const Register crn = ConcreteRegister(rn);
+    EmitFPIntCvtOp(SCVTFD32, static_cast<Register>(vd), crn);

[zra, 2014/10/09 18:00:30]

Pass the size to EmitFPIntCvtOp instead of making a new opcode. Passing
kDoubleWord sets B31, passing kWord doesn't. Remove B31 from the opcodes in
FPIntCvtOp. This will make adding the 32-bit forms of the other instructions
easier if it turns out we need them, as well.

[Cutch, 2014/10/09 18:49:11]

Done.

+  }
   void fcvtzds(Register rd, VRegister vn) {
     ASSERT(rd != R31);
     ASSERT(rd != CSP);
     const Register crd = ConcreteRegister(rd);
     EmitFPIntCvtOp(FCVTZDS, crd, static_cast<Register>(vn));
   }
   void fmovdd(VRegister vd, VRegister vn) {
     EmitFPOneSourceOp(FMOVDD, vd, vn);
   }
   void fabsd(VRegister vd, VRegister vn) {
@@ skipping 968 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM64_H_