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PPU: Use optimized reservation waiting for reservation load (non-TSX)

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This commit is contained in:
Eladash
2020-05-13 15:13:45 +03:00
committed by Ivan
parent 118bfbbe98
commit 5c4c8f4539
1 changed files with 5 additions and 16 deletions
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rpcs3/Emu/Cell/PPUThread.cpp
+5 -16
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@@ -1063,20 +1063,6 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
} }
} }
ppu.rtime = vm::reservation_acquire(addr, sizeof(T));
if ((ppu.rtime & 127) == 0) [[likely]]
{
ppu.rdata = data;
if (vm::reservation_acquire(addr, sizeof(T)) == ppu.rtime) [[likely]]
{
return static_cast<T>(ppu.rdata << data_off >> size_off);
}
}
vm::passive_unlock(ppu);
for (u64 i = 0;; i++) for (u64 i = 0;; i++)
{ {
ppu.rtime = vm::reservation_acquire(addr, sizeof(T)); ppu.rtime = vm::reservation_acquire(addr, sizeof(T));
@@ -1091,7 +1077,11 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
} }
} }
if (i < 20) if (ppu.state)
{
ppu.check_state();
}
else if (i < 20)
{ {
busy_wait(300); busy_wait(300);
} }
@@ -1101,7 +1091,6 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
} }
} }
vm::passive_lock(ppu);
return static_cast<T>(ppu.rdata << data_off >> size_off); return static_cast<T>(ppu.rdata << data_off >> size_off);
} }