[CPU] - skip some operations that cost precious time in mutex lock/unlock that are called frequently for some gains when not debugging
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@ -55,26 +55,32 @@ Memory* PPCFrontend::memory() const { return processor_->memory(); }
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// Checks the state of the global lock and sets scratch to the current MSR
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// value.
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void CheckGlobalLock(PPCContext* ppc_context, void* arg0, void* arg1) {
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auto global_mutex = reinterpret_cast<std::recursive_mutex*>(arg0);
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auto global_lock_count = reinterpret_cast<int32_t*>(arg1);
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#ifdef _DEBUG
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auto global_mutex = reinterpret_cast<std::recursive_mutex*>(arg0);
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std::lock_guard<std::recursive_mutex> lock(*global_mutex);
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#endif
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ppc_context->scratch = *global_lock_count ? 0 : 0x8000;
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}
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// Enters the global lock. Safe to recursion.
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void EnterGlobalLock(PPCContext* ppc_context, void* arg0, void* arg1) {
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auto global_mutex = reinterpret_cast<std::recursive_mutex*>(arg0);
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#ifdef _DEBUG
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auto global_lock_count = reinterpret_cast<int32_t*>(arg1);
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global_mutex->lock();
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xe::atomic_inc(global_lock_count);
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#endif
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global_mutex->lock();
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}
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// Leaves the global lock. Safe to recursion.
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void LeaveGlobalLock(PPCContext* ppc_context, void* arg0, void* arg1) {
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auto global_mutex = reinterpret_cast<std::recursive_mutex*>(arg0);
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#ifdef _DEBUG
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auto global_lock_count = reinterpret_cast<int32_t*>(arg1);
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auto new_lock_count = xe::atomic_dec(global_lock_count);
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assert_true(new_lock_count >= 0);
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#endif
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global_mutex->unlock();
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}
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