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Merge pull request #4294 from MerryMage/cpu-opt-settings

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configuration: Add settings to enable/disable specific CPU optimizations
This commit is contained in:
bunnei 2020-07-14 12:38:03 -04:00 • committed by GitHub
commit e2730372b8
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GPG key ID: 4AEE18F83AFDEB23
20 changed files with 686 additions and 30 deletions
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30
src/core/arm/dynarmic/arm_dynarmic_32.cpp
View file

@ -142,10 +142,32 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
// Timing
config.wall_clock_cntpct = uses_wall_clock;
// Optimizations
if (Settings::values.disable_cpu_opt) {
config.enable_optimizations = false;
config.enable_fast_dispatch = false;
// Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
if (!Settings::values.cpuopt_block_linking) {
config.optimizations &= ~Dynarmic::OptimizationFlag::BlockLinking;
}
if (!Settings::values.cpuopt_return_stack_buffer) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ReturnStackBuffer;
}
if (!Settings::values.cpuopt_fast_dispatcher) {
config.optimizations &= ~Dynarmic::OptimizationFlag::FastDispatch;
}
if (!Settings::values.cpuopt_context_elimination) {
config.optimizations &= ~Dynarmic::OptimizationFlag::GetSetElimination;
}
if (!Settings::values.cpuopt_const_prop) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ConstProp;
}
if (!Settings::values.cpuopt_misc_ir) {
config.optimizations &= ~Dynarmic::OptimizationFlag::MiscIROpt;
}
if (!Settings::values.cpuopt_reduce_misalign_checks) {
config.only_detect_misalignment_via_page_table_on_page_boundary = false;
}
}
return std::make_unique<Dynarmic::A32::Jit>(config);

34
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View file

@ -191,15 +191,37 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
// Unpredictable instructions
config.define_unpredictable_behaviour = true;
// Optimizations
if (Settings::values.disable_cpu_opt) {
config.enable_optimizations = false;
config.enable_fast_dispatch = false;
}
// Timing
config.wall_clock_cntpct = uses_wall_clock;
// Safe optimizations
if (Settings::values.cpu_accuracy != Settings::CPUAccuracy::Accurate) {
if (!Settings::values.cpuopt_page_tables) {
config.page_table = nullptr;
}
if (!Settings::values.cpuopt_block_linking) {
config.optimizations &= ~Dynarmic::OptimizationFlag::BlockLinking;
}
if (!Settings::values.cpuopt_return_stack_buffer) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ReturnStackBuffer;
}
if (!Settings::values.cpuopt_fast_dispatcher) {
config.optimizations &= ~Dynarmic::OptimizationFlag::FastDispatch;
}
if (!Settings::values.cpuopt_context_elimination) {
config.optimizations &= ~Dynarmic::OptimizationFlag::GetSetElimination;
}
if (!Settings::values.cpuopt_const_prop) {
config.optimizations &= ~Dynarmic::OptimizationFlag::ConstProp;
}
if (!Settings::values.cpuopt_misc_ir) {
config.optimizations &= ~Dynarmic::OptimizationFlag::MiscIROpt;
}
if (!Settings::values.cpuopt_reduce_misalign_checks) {
config.only_detect_misalignment_via_page_table_on_page_boundary = false;
}
}
return std::make_shared<Dynarmic::A64::Jit>(config);
}

18
src/core/settings.h
View file

@ -357,6 +357,11 @@ enum class GPUAccuracy : u32 {
Extreme = 2,
};
enum class CPUAccuracy {
Accurate = 0,
DebugMode = 1,
};
extern bool configuring_global;
template <typename Type>
@ -402,6 +407,18 @@ struct Values {
// Core
Setting<bool> use_multi_core;
// Cpu
CPUAccuracy cpu_accuracy;
bool cpuopt_page_tables;
bool cpuopt_block_linking;
bool cpuopt_return_stack_buffer;
bool cpuopt_fast_dispatcher;
bool cpuopt_context_elimination;
bool cpuopt_const_prop;
bool cpuopt_misc_ir;
bool cpuopt_reduce_misalign_checks;
// Renderer
Setting<RendererBackend> renderer_backend;
bool renderer_debug;
@ -476,7 +493,6 @@ struct Values {
bool dump_nso;
bool reporting_services;
bool quest_flag;
bool disable_cpu_opt;
bool disable_macro_jit;
// Misceallaneous