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https://github.com/dart-lang/sdk
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083c9e5e95
store buffer by a bit in the header. - This bit can be used to filter out redundant additions into the store buffer making the dedup sets not needed. - Remove the need for a HashSet when remembering old to new references. Review URL: https://codereview.chromium.org//14307013 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22393 260f80e4-7a28-3924-810f-c04153c831b5
75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
// Copyright (c) 2013, 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/assembler.h"
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#include "vm/globals.h"
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#include "vm/os.h"
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#include "vm/simulator.h"
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#include "vm/unit_test.h"
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#include "vm/virtual_memory.h"
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namespace dart {
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ASSEMBLER_TEST_EXTERN(StoreIntoObject);
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ASSEMBLER_TEST_RUN(StoreIntoObject, test) {
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#if defined(USING_SIMULATOR)
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#define test_code(ctx, value, growable_array) \
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Simulator::Current()->Call( \
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bit_cast<int32_t, uword>(test->entry()), \
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reinterpret_cast<int32_t>(ctx), \
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reinterpret_cast<int32_t>(value), \
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reinterpret_cast<int32_t>(growable_array), \
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0)
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#else
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typedef void (*StoreData)(RawContext* ctx,
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RawObject* value,
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RawObject* growable_array);
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StoreData test_code = reinterpret_cast<StoreData>(test->entry());
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#endif
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const Array& old_array = Array::Handle(Array::New(3, Heap::kOld));
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const Array& new_array = Array::Handle(Array::New(3, Heap::kNew));
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const GrowableObjectArray& grow_old_array = GrowableObjectArray::Handle(
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GrowableObjectArray::New(old_array, Heap::kOld));
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const GrowableObjectArray& grow_new_array = GrowableObjectArray::Handle(
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GrowableObjectArray::New(old_array, Heap::kNew));
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Smi& smi = Smi::Handle();
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const Context& ctx = Context::Handle(Context::New(0));
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EXPECT(old_array.raw() == grow_old_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_old_array.raw()));
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EXPECT(old_array.raw() == grow_new_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_new_array.raw()));
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// Store Smis into the old object.
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for (int i = -128; i < 128; i++) {
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smi = Smi::New(i);
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test_code(ctx.raw(), smi.raw(), grow_old_array.raw());
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EXPECT(reinterpret_cast<RawArray*>(smi.raw()) == grow_old_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_old_array.raw()));
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}
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// Store an old object into the old object.
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test_code(ctx.raw(), old_array.raw(), grow_old_array.raw());
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EXPECT(old_array.raw() == grow_old_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_old_array.raw()));
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// Store a new object into the old object.
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test_code(ctx.raw(), new_array.raw(), grow_old_array.raw());
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EXPECT(new_array.raw() == grow_old_array.data());
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EXPECT(Isolate::Current()->store_buffer()->Contains(grow_old_array.raw()));
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// Store a new object into the new object.
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test_code(ctx.raw(), new_array.raw(), grow_new_array.raw());
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EXPECT(new_array.raw() == grow_new_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_new_array.raw()));
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// Store an old object into the new object.
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test_code(ctx.raw(), old_array.raw(), grow_new_array.raw());
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EXPECT(old_array.raw() == grow_new_array.data());
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EXPECT(!Isolate::Current()->store_buffer()->Contains(grow_new_array.raw()));
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}
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} // namespace dart
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