Fix 32-bit and 64-bit carry out calculation in arm64 simulator.

runtime/vm/disassembler_arm64.cc

 // 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.
 
 #include "vm/disassembler.h"
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 #include "platform/assert.h"
 
@@ skipping 951 matching lines @@
       }
       break;
     }
     default:
       UNREACHABLE();
       break;
   }
 }
 
 
+void ARM64Decoder::DecodeAddSubWithCarry(Instr* instr) {
+  switch (instr->Bit(30)) {
+    case 0: {
+      Format(instr, "adc'sf's 'rd, 'rn, 'rm");
+      break;
+    }
+    case 1: {
+      Format(instr, "sbc'sf's 'rd, 'rn, 'rm");
+      break;
+    }
+    default:
+      UNREACHABLE();
+      break;
+  }
+}
+
+
 void ARM64Decoder::DecodeLogicalShift(Instr* instr) {
   const int op = (instr->Bits(29, 2) << 1) | instr->Bit(21);
   switch (op) {
     case 0:
       Format(instr, "and'sf 'rd, 'rn, 'shift_op");
       break;
     case 1:
       Format(instr, "bic'sf 'rd, 'rn, 'shift_op");
       break;
     case 2: {
@@ skipping 85 matching lines @@
     Format(instr, "csinv'sf'cond 'rd, 'rn, 'rm");
   } else {
     Unknown(instr);
   }
 }
 
 
 void ARM64Decoder::DecodeDPRegister(Instr* instr) {
   if (instr->IsAddSubShiftExtOp()) {
     DecodeAddSubShiftExt(instr);
+  } else if (instr->IsAddSubWithCarryOp()) {
+    DecodeAddSubWithCarry(instr);
   } else if (instr->IsLogicalShiftOp()) {
     DecodeLogicalShift(instr);
   } else if (instr->IsMiscDP2SourceOp()) {
     DecodeMiscDP2Source(instr);
   } else if (instr->IsMiscDP3SourceOp()) {
     DecodeMiscDP3Source(instr);
   } else if (instr->IsConditionalSelectOp()) {
     DecodeConditionalSelect(instr);
   } else {
     Unknown(instr);
@@ skipping 354 matching lines @@
                                   human_buffer,
                                   sizeof(human_buffer),
                                   pc);
     pc += instruction_length;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM