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atomic.hpp: add some features and optimizations

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Add atomic_t<>::observe() (relaxed load)
Add atomic_fence_XXX() (barrier functions)
Get rid of MFENCE instruction, replace with no-op LOCK OR on stack.
Remove <atomic> dependence from stdafx.h and relevant headers.
This commit is contained in:
Nekotekina 2020-12-06 12:10:00 +03:00
parent 77aa9e58f2
commit b16cc618b5
14 changed files with 171 additions and 60 deletions
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12
rpcs3/util/logs.cpp
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@ -168,7 +168,7 @@ namespace logs
for (auto&& pair : get_logger()->channels)
{
pair.second->enabled.store(level::notice, std::memory_order_relaxed);
pair.second->enabled.release(level::notice);
}
}
@ -178,7 +178,7 @@ namespace logs
for (auto&& pair : get_logger()->channels)
{
pair.second->enabled.store(level::always, std::memory_order_relaxed);
pair.second->enabled.release(level::always);
}
}
@ -190,7 +190,7 @@ namespace logs
while (found.first != found.second)
{
found.first->second->enabled.store(value, std::memory_order_relaxed);
found.first->second->enabled.release(value);
found.first++;
}
}
@ -203,7 +203,7 @@ namespace logs
if (found.first != found.second)
{
return found.first->second->enabled.load(std::memory_order_relaxed);
return found.first->second->enabled.observe();
}
else
{
@ -275,7 +275,7 @@ logs::listener::~listener()
for (auto&& pair : logger->channels)
{
pair.second->enabled.store(level::always, std::memory_order_relaxed);
pair.second->enabled.release(level::always);
}
}
}
@ -290,7 +290,7 @@ void logs::listener::add(logs::listener* _new)
// Install new listener at the end of linked list
listener* null = nullptr;
while (lis->m_next || !lis->m_next.compare_exchange_strong(null, _new))
while (lis->m_next || !lis->m_next.compare_exchange(null, _new))
{
lis = lis->m_next;
null = nullptr;