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Avoid using PUTLLC in PUTLLUC if we know SPU LR has already been raised (#11940)

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This commit is contained in:
Eladash
2022-05-05 22:15:08 +03:00
committed by GitHub
parent ce48d880d9
commit be5f8413ca
1 changed files with 8 additions and 1 deletions
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rpcs3/Emu/Cell/SPUThread.cpp
+8 -1
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@@ -2918,13 +2918,14 @@ void spu_thread::do_putlluc(const spu_mfc_cmd& args)
// Try to process PUTLLUC using PUTLLC when a reservation is active: // Try to process PUTLLUC using PUTLLC when a reservation is active:
// If it fails the reservation is cleared, LR event is set and we fallback to the main implementation // If it fails the reservation is cleared, LR event is set and we fallback to the main implementation
// All of this is done atomically in PUTLLC // All of this is done atomically in PUTLLC
if (do_putllc(args)) if (!(ch_events.load().events & SPU_EVENT_LR) && do_putllc(args))
{ {
// Success, return as our job was done here // Success, return as our job was done here
return; return;
} }
// Failure, fallback to the main implementation // Failure, fallback to the main implementation
raddr = 0;
} }
do_cell_atomic_128_store(addr, _ptr<spu_rdata_t>(args.lsa & 0x3ff80)); do_cell_atomic_128_store(addr, _ptr<spu_rdata_t>(args.lsa & 0x3ff80));
@@ -3219,6 +3220,12 @@ bool spu_thread::process_mfc_cmd()
u64 ntime; u64 ntime;
rsx::reservation_lock rsx_lock(addr, 128); rsx::reservation_lock rsx_lock(addr, 128);
if (ch_events.load().events & SPU_EVENT_LR)
{
// There is no longer a need to concern about LR event if it has already been raised.
raddr = 0;
}
if (raddr) if (raddr)
{ {
// Save rdata from previous reservation // Save rdata from previous reservation