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SPU LLVM: Try to precompile filler-sapce between functions

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This commit is contained in:
Eladash 2023-09-01 22:21:47 +03:00 • committed by Elad Ashkenazi
parent 7c0d8fc29c
commit 5e110f2844
1 changed files with 40 additions and 8 deletions
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48
rpcs3/Emu/Cell/SPURecompiler.cpp
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@ -842,6 +842,7 @@ void spu_cache::initialize(bool build_existing_cache)
{ {
u32 passed_count = 0; u32 passed_count = 0;
u32 func_addr = 0; u32 func_addr = 0;
u32 next_func = 0;
u32 sec_addr = umax; u32 sec_addr = umax;
u32 sec_idx = 0; u32 sec_idx = 0;
std::basic_string_view<u32> inst_data; std::basic_string_view<u32> inst_data;
@ -853,6 +854,7 @@ void spu_cache::initialize(bool build_existing_cache)
{ {
sec_addr = sec.vaddr; sec_addr = sec.vaddr;
func_addr = ::at32(sec.funcs, func_i - passed_count); func_addr = ::at32(sec.funcs, func_i - passed_count);
next_func = ::at32(sec.funcs, std::min<usz>(func_i - passed_count + 1, sec.funcs.size() - 1));
inst_data = sec.inst_data; inst_data = sec.inst_data;
break; break;
} }
@ -907,18 +909,12 @@ void spu_cache::initialize(bool build_existing_cache)
result++; result++;
if (g_cfg.core.spu_block_size >= spu_block_size_type::mega) u32 start_new = func_addr + prog_size * 4;
{
// Should already take care of the entire function
break;
}
if (auto type = g_spu_itype.decode(last_inst); if (auto type = g_spu_itype.decode(last_inst);
type == spu_itype::BRSL || type == spu_itype::BRASL || type == spu_itype::BISL) type == spu_itype::BRSL || type == spu_itype::BRASL || type == spu_itype::BISL)
{ {
const u32 start_new = func_addr + prog_size * 4; if (start_new < SPU_LS_SIZE && start_new != next_func && ls[start_new / 4] && g_spu_itype.decode(ls[start_new / 4]) != spu_itype::UNK)
if (start_new < SPU_LS_SIZE && ls[start_new / 4] && g_spu_itype.decode(ls[start_new / 4]) != spu_itype::UNK)
{ {
spu_log.notice("Precompiling fallthrough to 0x%05x", start_new); spu_log.notice("Precompiling fallthrough to 0x%05x", start_new);
func2 = compiler->analyse(ls.data(), start_new); func2 = compiler->analyse(ls.data(), start_new);
@ -927,6 +923,42 @@ void spu_cache::initialize(bool build_existing_cache)
} }
} }
// Disabled
if (0 && next_func > func_addr && start_new < next_func)
{
if (auto type = g_spu_itype.decode(ls[start_new / 4]); start_new % 8 && (type == spu_itype::LNOP || type == spu_itype::NOP))
{
start_new += 4;
if (start_new == next_func)
{
break;
}
}
if (!spu_thread::is_exec_code(start_new, { reinterpret_cast<const u8*>(ls.data()), SPU_LS_SIZE }, 0))
{
break;
}
spu_log.notice("Precompiling filler space at 0x%05x", start_new);
func2 = compiler->analyse(ls.data(), start_new);
if (start_new + func2.data.size() * 4 > next_func)
{
break;
}
while (func2.data.size() == 1 && start_new + 4 < next_func)
{
start_new += 4;
func2 = compiler->analyse(ls.data(), start_new);
}
func_addr = start_new;
continue;
}
break; break;
} }
} }