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Implement utils::bless (pointer cast)

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Tries to workaround strict aliasing troubles.
Don't confuse with std::bless which works differently.
This commit is contained in:
Nekotekina 2021-03-10 15:54:32 +03:00
parent 63ecb56b51
commit 03332c340d
3 changed files with 16 additions and 3 deletions
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2
rpcs3/Emu/Cell/SPUThread.cpp
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@ -2161,7 +2161,7 @@ void spu_thread::do_dma_transfer(spu_thread* _this, const spu_mfc_cmd& args, u8*
auto& res = vm::reservation_acquire(eal);
// Lock each bit corresponding to a byte being written, using some free space in reservation memory
auto* bits = reinterpret_cast<atomic_t<u128>*>(vm::g_reservations + ((eal & 0xff80) / 2 + 16));
auto* bits = utils::bless<atomic_t<u128>>(vm::g_reservations + ((eal & 0xff80) / 2 + 16));
// Get writing mask
const u128 wmask = (~u128{} << (eal & 127)) & (~u128{} >> (127 - ((eal + size0 - 1) & 127)));