VM: Remove _leftShiftWithMask32.

runtime/lib/integers.cc

 // Copyright (c) 2012, 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/bootstrap_natives.h"
 
 #include "include/dart_api.h"
 #include "vm/dart_entry.h"
 #include "vm/dart_api_impl.h"
 #include "vm/exceptions.h"
@@ skipping 272 matching lines @@
       // Overflow in shift, use Bigints
       return Integer::null();
     }
   } else {
     ASSERT(value.IsBigint());
   }
   return Integer::null();
 }
 
 
-DEFINE_NATIVE_ENTRY(Integer_leftShiftWithMask32, 3) {
-  const Integer& value = Integer::CheckedHandle(arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Integer, shift_count, arguments->NativeArgAt(1));
-  GET_NON_NULL_NATIVE_ARGUMENT(Integer, mask, arguments->NativeArgAt(2));
-  ASSERT(CheckInteger(value));
-  ASSERT(CheckInteger(shift_count));
-  ASSERT(CheckInteger(mask));
-  if (!shift_count.IsSmi()) {
-    // Shift count is too large..
-    const Instance& exception =
-        Instance::Handle(isolate->object_store()->out_of_memory());
-    Exceptions::Throw(thread, exception);
-  }
-  const Smi& smi_shift_count = Smi::Cast(shift_count);
-  const Integer& shift_result = Integer::Handle(
-      ShiftOperationHelper(Token::kSHL, value, smi_shift_count));
-  const Integer& result =
-      Integer::Handle(shift_result.BitOp(Token::kBIT_AND, mask));
-  return result.AsValidInteger();
-}
-
-
 DEFINE_NATIVE_ENTRY(Smi_shrFromInt, 2) {
   const Smi& amount = Smi::CheckedHandle(arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, value, arguments->NativeArgAt(1));
   ASSERT(CheckInteger(amount));
   ASSERT(CheckInteger(value));
   const Integer& result = Integer::Handle(
       ShiftOperationHelper(Token::kSHR, value, amount));
   // A null result indicates that a bigint operation is required.
   return result.IsNull() ? result.raw() : result.AsValidInteger();
 }
@@ skipping 99 matching lines @@
 DEFINE_NATIVE_ENTRY(Bigint_allocate, 4) {
   // First arg is null type arguments, since class Bigint is not parameterized.
   const Bool& neg = Bool::CheckedHandle(arguments->NativeArgAt(1));
   const Smi& used = Smi::CheckedHandle(arguments->NativeArgAt(2));
   const TypedData& digits = TypedData::CheckedHandle(arguments->NativeArgAt(3));
   ASSERT(!digits.IsNull());
   return Bigint::New(neg.value(), used.Value(), digits);
 }
 
 }  // namespace dart