dgrove@google.com
4c0f559d23
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15 260f80e4-7a28-3924-810f-c04153c831b5
26 lines
830 B
C++
26 lines
830 B
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/runtime_entry.h"
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#include "vm/object.h"
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#include "vm/verifier.h"
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namespace dart {
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// A runtime call for test purposes.
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// Arg0: a smi.
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// Arg1: a smi.
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// Result: a smi representing arg0 - arg1.
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DEFINE_RUNTIME_ENTRY(TestSmiSub, 2) {
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ASSERT(arguments.Count() == kTestSmiSubRuntimeEntry.argument_count());
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const Smi& left = Smi::CheckedHandle(arguments.At(0));
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const Smi& right = Smi::CheckedHandle(arguments.At(1));
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// Ignoring overflow in the calculation below.
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intptr_t result = left.Value() - right.Value();
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arguments.SetReturn(Smi::Handle(Smi::New(result)));
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}
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} // namespace dart
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