Fix simarm64 bugs on Windows.

runtime/vm/assembler_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/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 163 matching lines @@
   int count = 0;
   do {
     count++;
   } while (value >>= 1);
   return width - count;
 }
 
 
 static int CountOneBits(uint64_t value, int width) {
   // Mask out unused bits to ensure that they are not counted.
-  value &= (0xffffffffffffffffUL >> (64 - width));
+  value &= (0xffffffffffffffffULL >> (64 - width));
 
   value = ((value >> 1) & 0x5555555555555555) + (value & 0x5555555555555555);
   value = ((value >> 2) & 0x3333333333333333) + (value & 0x3333333333333333);
   value = ((value >> 4) & 0x0f0f0f0f0f0f0f0f) + (value & 0x0f0f0f0f0f0f0f0f);
   value = ((value >> 8) & 0x00ff00ff00ff00ff) + (value & 0x00ff00ff00ff00ff);
   value = ((value >> 16) & 0x0000ffff0000ffff) + (value & 0x0000ffff0000ffff);
   value = ((value >> 32) & 0x00000000ffffffff) + (value & 0x00000000ffffffff);
 
   return value;
 }
@@ skipping 80 matching lines @@
     // 4. If the sum of leading ones, trailing ones and unset bits in the
     //    value is equal to the bit width of the value, it can be encoded.
     if (lead_one + trail_one + (width - set_bits) == width) {
       *imm_op = Operand(n, imm_s, imm_r);
       return true;
     }
 
     // 5. If the most-significant half of the bitwise value is equal to the
     //    least-significant half, return to step 2 using the least-significant
     //    half of the value.
-    uint64_t mask = (1UL << (width >> 1)) - 1;
+    uint64_t mask = (1ULL << (width >> 1)) - 1;
     if ((value & mask) == ((value >> (width >> 1)) & mask)) {
       width >>= 1;
       set_bits >>= 1;
       imm_s_fixed >>= 1;
       continue;
     }
 
     // 6. Otherwise, the value can't be encoded.
     return false;
   }
@@ skipping 1275 matching lines @@
   str(tmp, Address(addr, 7), kUnsignedByte);
   if (sz == kDoubleWord) {
     return;
   }
   UNIMPLEMENTED();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64