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SPU: Utilize Operating System sleep in detected RCHCNT loop

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This commit is contained in:
Elad Ashkenazi 2024-07-13 10:48:41 +03:00
parent f3ceebabd9
commit 77e8f9a8ab
7 changed files with 271 additions and 100 deletions
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65
rpcs3/Emu/Cell/SPULLVMRecompiler.cpp
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@ -3487,9 +3487,28 @@ public:
return m_ir->CreateTrunc(m_ir->CreateXor(shv, u64{inv}), get_type<u32>());
}
llvm::Value* wait_rchcnt(u32 off, u64 inv = 0)
{
auto wait_on_channel = [](spu_thread* _spu, spu_channel* ch, u32 is_read) -> u32
{
if (is_read)
{
ch->pop_wait(*_spu, false);
}
else
{
ch->push_wait(*_spu, 0, false);
}
return ch->get_count();
};
return m_ir->CreateXor(call("wait_on_spu_channel", +wait_on_channel, m_thread, _ptr<u64>(m_thread, off), m_ir->getInt32(!inv)), m_ir->getInt32(inv));
}
void RCHCNT(spu_opcode_t op) //
{
value_t<u32> res;
value_t<u32> res{};
if (m_interp_magn)
{
@ -3532,6 +3551,50 @@ public:
}
}
if (m_inst_attrs[(m_pos - m_base) / 4] == inst_attr::rchcnt_loop)
{
switch (op.ra)
{
case SPU_WrOutMbox:
{
res.value = wait_rchcnt(::offset32(&spu_thread::ch_out_mbox), true);
break;
}
case SPU_WrOutIntrMbox:
{
res.value = wait_rchcnt(::offset32(&spu_thread::ch_out_intr_mbox), true);
break;
}
case SPU_RdSigNotify1:
{
res.value = wait_rchcnt(::offset32(&spu_thread::ch_snr1));
break;
}
case SPU_RdSigNotify2:
{
res.value = wait_rchcnt(::offset32(&spu_thread::ch_snr2));
break;
}
case SPU_RdInMbox:
{
auto wait_inbox = [](spu_thread* _spu, spu_channel_4_t* ch) -> u32
{
return ch->pop_wait(*_spu, false), ch->get_count();
};
res.value = call("wait_spu_inbox", +wait_inbox, m_thread, spu_ptr<void*>(&spu_thread::ch_in_mbox));
break;
}
default: break;
}
if (res.value)
{
set_vr(op.rt, insert(splat<u32[4]>(0), 3, res));
return;
}
}
switch (op.ra)
{
case SPU_WrOutMbox: