Adds more arithmetic ops to arm64.

runtime/vm/assembler_arm_test.cc

 // Copyright (c) 2013, 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/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/os.h"
@@ skipping 1512 matching lines @@
   EXPECT(test != NULL);
   typedef int (*Tst)();
   EXPECT_EQ(0, EXECUTE_TEST_CODE_INT32(Tst, test->entry()));
 }
 
 
 ASSEMBLER_TEST_GENERATE(Sdiv_zero, assembler) {
   if (TargetCPUFeatures::integer_division_supported()) {
     __ mov(R0, ShifterOperand(27));
     __ mov(R1, ShifterOperand(0));
-    __ udiv(R2, R0, R1);
+    __ sdiv(R2, R0, R1);
     __ mov(R0, ShifterOperand(R2));
   } else {
     __ LoadImmediate(R0, 0);
   }
   __ bx(LR);
 }
 
 
 ASSEMBLER_TEST_RUN(Sdiv_zero, test) {
   EXPECT(test != NULL);
@@ skipping 2253 matching lines @@
   __ StoreIntoObject(R2,
                      FieldAddress(R2, GrowableObjectArray::data_offset()),
                      R1);
   __ PopList((1 << CTX) | (1 << LR));
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM