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Emu/Config: Add option for accurate PPU LLVM vector NaNs

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Nick Renieris 2020-05-13 16:47:36 +03:00 • committed by Ani
parent 20d8d38e53
commit b1fb5b6239
3 changed files with 10 additions and 1 deletions
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5
rpcs3/Emu/Cell/PPUThread.cpp
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@ -1590,6 +1590,7 @@ extern void ppu_initialize(const ppu_module& info)
{
non_win32,
accurate_fma,
accurate_ppu_vector_nan,
__bitset_enum_max
};
@ -1603,6 +1604,10 @@ extern void ppu_initialize(const ppu_module& info)
{
settings += ppu_settings::accurate_fma;
}
if (g_cfg.core.llvm_ppu_accurate_vector_nan)
{
settings += ppu_settings::accurate_ppu_vector_nan;
}
// Write version, hash, CPU, settings
fmt::append(obj_name, "v3-tane-%s-%s-%s.obj", fmt::base57(output, 16), fmt::base57(settings), jit_compiler::cpu(g_cfg.core.llvm_cpu));

3
rpcs3/Emu/Cell/PPUTranslator.h
View file

@ -107,7 +107,10 @@ public:
auto vec_handle_nan(T&& expr)
{
value_t<typename T::type> result;
if (g_cfg.core.llvm_ppu_accurate_vector_nan)
result.value = VecHandleNan(expr.eval(m_ir));
else
result.value = expr.eval(m_ir);
return result;
}

1
rpcs3/Emu/system_config.h
View file

@ -46,6 +46,7 @@ struct cfg_root : cfg::node
cfg::_bool spu_accurate_xfloat{ this, "Accurate xfloat", false };
cfg::_bool spu_approx_xfloat{ this, "Approximate xfloat", true };
cfg::_bool llvm_accurate_dfma{ this, "LLVM Accurate DFMA", true }; // Enable accurate double-precision FMA for CPUs which do not support it natively
cfg::_bool llvm_ppu_accurate_vector_nan{ this, "PPU LLVM Accurate Vector NaN values", false };
cfg::_bool debug_console_mode{ this, "Debug Console Mode", false }; // Debug console emulation, not recommended
cfg::_enum<lib_loading_type> lib_loading{ this, "Lib Loader", lib_loading_type::liblv2only };