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Side by Side Diff: src/optimizing-compiler-thread.h

Issue 148503002: A64: Synchronize with r15545. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #ifndef V8_OPTIMIZING_COMPILER_THREAD_H_ 28 #ifndef V8_OPTIMIZING_COMPILER_THREAD_H_
29 #define V8_OPTIMIZING_COMPILER_THREAD_H_ 29 #define V8_OPTIMIZING_COMPILER_THREAD_H_
30 30
31 #include "atomicops.h" 31 #include "atomicops.h"
32 #include "flags.h" 32 #include "flags.h"
33 #include "platform.h" 33 #include "platform.h"
34 #include "unbound-queue.h" 34 #include "unbound-queue-inl.h"
35 35
36 namespace v8 { 36 namespace v8 {
37 namespace internal { 37 namespace internal {
38 38
39 class HOptimizedGraphBuilder; 39 class HOptimizedGraphBuilder;
40 class OptimizingCompiler; 40 class OptimizingCompiler;
41 class SharedFunctionInfo; 41 class SharedFunctionInfo;
42 42
43 class OptimizingCompilerThread : public Thread { 43 class OptimizingCompilerThread : public Thread {
44 public: 44 public:
45 explicit OptimizingCompilerThread(Isolate *isolate) : 45 explicit OptimizingCompilerThread(Isolate *isolate) :
46 Thread("OptimizingCompilerThread"), 46 Thread("OptimizingCompilerThread"),
47 #ifdef DEBUG 47 #ifdef DEBUG
48 thread_id_(0), 48 thread_id_(0),
49 thread_id_mutex_(OS::CreateMutex()),
49 #endif 50 #endif
50 isolate_(isolate), 51 isolate_(isolate),
51 stop_semaphore_(OS::CreateSemaphore(0)), 52 stop_semaphore_(OS::CreateSemaphore(0)),
52 input_queue_semaphore_(OS::CreateSemaphore(0)), 53 input_queue_semaphore_(OS::CreateSemaphore(0)),
53 install_mutex_(OS::CreateMutex()), 54 install_mutex_(OS::CreateMutex()),
54 time_spent_compiling_(0), 55 time_spent_compiling_(0),
55 time_spent_total_(0) { 56 time_spent_total_(0) {
56 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false)); 57 NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false));
57 NoBarrier_Store(&queue_length_, static_cast<AtomicWord>(0)); 58 NoBarrier_Store(&queue_length_, static_cast<AtomicWord>(0));
58 } 59 }
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75 // doesn't introduce a race -- queue_length_ may decreased in 76 // doesn't introduce a race -- queue_length_ may decreased in
76 // meantime, but not increased. 77 // meantime, but not increased.
77 return (current_length < FLAG_parallel_recompilation_queue_length); 78 return (current_length < FLAG_parallel_recompilation_queue_length);
78 } 79 }
79 80
80 #ifdef DEBUG 81 #ifdef DEBUG
81 bool IsOptimizerThread(); 82 bool IsOptimizerThread();
82 #endif 83 #endif
83 84
84 ~OptimizingCompilerThread() { 85 ~OptimizingCompilerThread() {
86 delete install_mutex_;
85 delete input_queue_semaphore_; 87 delete input_queue_semaphore_;
86 delete stop_semaphore_; 88 delete stop_semaphore_;
89 #ifdef DEBUG
90 delete thread_id_mutex_;
91 #endif
87 } 92 }
88 93
89 private: 94 private:
90 #ifdef DEBUG 95 #ifdef DEBUG
91 int thread_id_; 96 int thread_id_;
97 Mutex* thread_id_mutex_;
92 #endif 98 #endif
93 99
94 Isolate* isolate_; 100 Isolate* isolate_;
95 Semaphore* stop_semaphore_; 101 Semaphore* stop_semaphore_;
96 Semaphore* input_queue_semaphore_; 102 Semaphore* input_queue_semaphore_;
97 UnboundQueue<OptimizingCompiler*> input_queue_; 103 UnboundQueue<OptimizingCompiler*> input_queue_;
98 UnboundQueue<OptimizingCompiler*> output_queue_; 104 UnboundQueue<OptimizingCompiler*> output_queue_;
99 Mutex* install_mutex_; 105 Mutex* install_mutex_;
100 volatile AtomicWord stop_thread_; 106 volatile AtomicWord stop_thread_;
101 volatile Atomic32 queue_length_; 107 volatile Atomic32 queue_length_;
102 int64_t time_spent_compiling_; 108 int64_t time_spent_compiling_;
103 int64_t time_spent_total_; 109 int64_t time_spent_total_;
104 }; 110 };
105 111
106 } } // namespace v8::internal 112 } } // namespace v8::internal
107 113
108 #endif // V8_OPTIMIZING_COMPILER_THREAD_H_ 114 #endif // V8_OPTIMIZING_COMPILER_THREAD_H_
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