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Savestates/SPU: Kill emulation when its safe to save SPU state

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Eladash 2022-07-14 22:07:02 +03:00 • committed by Ivan
parent 105781fa76
commit 3e51426379
7 changed files with 114 additions and 18 deletions
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19
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -4310,7 +4310,7 @@ class spu_llvm_recompiler : public spu_recompiler_base, public cpu_translator
}
// Call cpu_thread::check_state if necessary and return or continue (full check)
void check_state(u32 addr)
void check_state(u32 addr, bool may_be_unsafe_for_savestate = true)
{
const auto pstate = spu_ptr<u32>(&spu_thread::state);
const auto _body = llvm::BasicBlock::Create(m_context, "", m_function);
@ -4318,7 +4318,24 @@ class spu_llvm_recompiler : public spu_recompiler_base, public cpu_translator
m_ir->CreateCondBr(m_ir->CreateICmpEQ(m_ir->CreateLoad(pstate, true), m_ir->getInt32(0)), _body, check, m_md_likely);
m_ir->SetInsertPoint(check);
update_pc(addr);
if (may_be_unsafe_for_savestate && std::none_of(std::begin(m_block->phi), std::end(m_block->phi), FN(!!x)))
{
may_be_unsafe_for_savestate = false;
}
if (may_be_unsafe_for_savestate)
{
m_ir->CreateStore(m_ir->getInt8(1), spu_ptr<u8>(&spu_thread::unsavable), true);
}
m_ir->CreateStore(m_ir->getFalse(), m_fake_global1, true);
if (may_be_unsafe_for_savestate)
{
m_ir->CreateStore(m_ir->getInt8(0), spu_ptr<u8>(&spu_thread::unsavable), true);
}
m_ir->CreateBr(_body);
m_ir->SetInsertPoint(_body);
}