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atomic.hpp: fix pointer mask

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Nekotekina 2019-09-21 21:20:48 +03:00
parent 74471e8ea3
commit 95c939f014
1 changed files with 3 additions and 2 deletions
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5
rpcs3/util/atomic.cpp
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@ -1,6 +1,7 @@
#include "atomic.hpp"
#include "Utilities/sync.h"
#include "Utilities/asm.h"
#include <map>
#include <mutex>
@ -10,10 +11,10 @@
static constexpr std::uintptr_t s_hashtable_size = 1u << 22;
// TODO: it's probably better to implement more effective futex emulation for OSX/BSD here.
static atomic_t<u64> s_hashtable[s_hashtable_size];
static atomic_t<u64> s_hashtable[s_hashtable_size]{};
// Pointer mask without bits used as hash, assuming signed 48-bit pointers
static constexpr u64 s_pointer_mask = 0xffff'ffff'ffff & (~(s_hashtable_size - 1) << 2);
static constexpr u64 s_pointer_mask = 0xffff'ffff'ffff & ~((s_hashtable_size - 1) << 2);
// Max number of waiters is 32767
static constexpr u64 s_waiter_mask = 0x7fff'0000'0000'0000;