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SPU ASMJIT: Implement Mega block mode (experimental)

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Disable extra modes for SPU LLVM for now.
In Mega mode, SPU Analyser tries to determine complete functions.
Recompiler tries to speed up returns via 'stack mirror'.
This commit is contained in:
Nekotekina 2018-06-04 00:20:14 +03:00
parent 11bdb4102a
commit 12eee6a19e
5 changed files with 109 additions and 14 deletions
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21
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -90,6 +90,12 @@ void spu_cache::initialize()
return;
}
if (g_cfg.core.spu_decoder == spu_decoder_type::llvm)
{
// Force Safe mode
g_cfg.core.spu_block_size.from_default();
}
// SPU cache file (version + block size type)
const std::string loc = _main->cache + u8"spu-§" + fmt::to_lower(g_cfg.core.spu_block_size.to_string()) + "-v3.dat";
@ -384,7 +390,7 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
continue;
}
if (g_cfg.core.spu_block_size != spu_block_size_type::giga)
if (g_cfg.core.spu_block_size == spu_block_size_type::safe)
{
// Stop on special instructions (TODO)
m_targets[pos].push_back(-1);
@ -437,8 +443,9 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
add_block(target);
}
if (type == spu_itype::BISL && target >= lsa && g_cfg.core.spu_block_size == spu_block_size_type::giga)
if (type == spu_itype::BISL && g_cfg.core.spu_block_size != spu_block_size_type::safe)
{
m_targets[pos].push_back(pos + 4);
add_block(pos + 4);
}
}
@ -548,7 +555,7 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
if (type == spu_itype::BI || type == spu_itype::BISL)
{
if (type == spu_itype::BI || g_cfg.core.spu_block_size != spu_block_size_type::giga)
if (type == spu_itype::BI || g_cfg.core.spu_block_size == spu_block_size_type::safe)
{
if (m_targets[pos].empty())
{
@ -557,6 +564,7 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
}
else
{
m_targets[pos].push_back(pos + 4);
add_block(pos + 4);
}
}
@ -587,8 +595,9 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
m_targets[pos].push_back(target);
if (target >= lsa && g_cfg.core.spu_block_size == spu_block_size_type::giga)
if (g_cfg.core.spu_block_size != spu_block_size_type::safe)
{
m_targets[pos].push_back(pos + 4);
add_block(pos + 4);
}
@ -803,11 +812,11 @@ std::vector<u32> spu_recompiler_base::block(const be_t<u32>* ls, u32 lsa)
}
}
while (g_cfg.core.spu_block_size == spu_block_size_type::safe)
while (g_cfg.core.spu_block_size != spu_block_size_type::giga)
{
const u32 initial_size = result.size();
// Check unreachable blocks in safe mode (TODO)
// Check unreachable blocks in safe and mega modes (TODO)
u32 limit = lsa + result.size() * 4 - 4;
for (auto& pair : m_preds)