regis@google.com
8f62a87598
Support leaf float runtime calls in ARM simulator. Enable previously failing tests. R=zra@google.com Review URL: https://codereview.chromium.org//16638012 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23868 260f80e4-7a28-3924-810f-c04153c831b5
78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
// Copyright (c) 2012, 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/store_buffer.h"
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#include "platform/assert.h"
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#include "vm/runtime_entry.h"
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namespace dart {
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DEFINE_LEAF_RUNTIME_ENTRY(void, StoreBufferBlockProcess, 1, Isolate* isolate) {
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StoreBuffer* buffer = isolate->store_buffer();
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buffer->Expand(true);
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}
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END_LEAF_RUNTIME_ENTRY
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StoreBuffer::~StoreBuffer() {
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StoreBufferBlock* block = blocks_;
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blocks_ = NULL;
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while (block != NULL) {
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StoreBufferBlock* next = block->next();
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delete block;
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block = next;
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}
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}
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void StoreBuffer::Reset() {
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StoreBufferBlock* block = blocks_->next_;
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while (block != NULL) {
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StoreBufferBlock* next = block->next_;
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delete block;
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block = next;
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}
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blocks_->next_ = NULL;
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blocks_->top_ = 0;
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full_count_ = 0;
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}
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bool StoreBuffer::Contains(RawObject* raw) {
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StoreBufferBlock* block = blocks_;
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while (block != NULL) {
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intptr_t count = block->Count();
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for (intptr_t i = 0; i < count; i++) {
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if (block->At(i) == raw) {
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return true;
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}
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}
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block = block->next_;
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}
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return false;
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}
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void StoreBuffer::Expand(bool check) {
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ASSERT(blocks_->Count() == StoreBufferBlock::kSize);
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blocks_ = new StoreBufferBlock(blocks_);
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full_count_++;
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if (check) {
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CheckThreshold();
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}
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}
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void StoreBuffer::CheckThreshold() {
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// Schedule an interrupt if we have run over the max number of
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// StoreBufferBlocks.
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// TODO(iposva): Fix magic number.
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if (full_count_ > 100) {
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Isolate::Current()->ScheduleInterrupts(Isolate::kStoreBufferInterrupt);
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}
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}
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} // namespace dart
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