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Merge pull request #5278 from MerryMage/cpuopt_unsafe_inaccurate_nan 

dynarmic: Add Unsafe_InaccurateNaN optimization
This commit is contained in:
bunnei 2021-01-03 03:27:29 -08:00 committed by GitHub
parent f64456c7e2 8a5356357f
commit 71e18dddbe
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 27 additions and 1 deletions
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2
externals/dynarmic vendored

@ -1 +1 @@
Subproject commit 4a9a0d07f7376b439430e686721e8176c7b56ce7
Subproject commit 3806284cbefc4115436dcdc687776a45ec313093

3
src/core/arm/dynarmic/arm_dynarmic_32.cpp
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@ -181,6 +181,9 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
}
if (Settings::values.cpuopt_unsafe_inaccurate_nan) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_InaccurateNaN;
}
}
return std::make_unique<Dynarmic::A32::Jit>(config);

3
src/core/arm/dynarmic/arm_dynarmic_64.cpp
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@ -212,6 +212,9 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
if (Settings::values.cpuopt_unsafe_reduce_fp_error) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP;
}
if (Settings::values.cpuopt_unsafe_inaccurate_nan) {
config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_InaccurateNaN;
}
}
return std::make_shared<Dynarmic::A64::Jit>(config);

1
src/core/settings.h
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@ -131,6 +131,7 @@ struct Values {
bool cpuopt_unsafe_unfuse_fma;
bool cpuopt_unsafe_reduce_fp_error;
bool cpuopt_unsafe_inaccurate_nan;
// Renderer
Setting<RendererBackend> renderer_backend;

4
src/yuzu/configuration/config.cpp
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@ -764,6 +764,8 @@ void Config::ReadCpuValues() {
ReadSetting(QStringLiteral("cpuopt_unsafe_unfuse_fma"), true).toBool();
Settings::values.cpuopt_unsafe_reduce_fp_error =
ReadSetting(QStringLiteral("cpuopt_unsafe_reduce_fp_error"), true).toBool();
Settings::values.cpuopt_unsafe_inaccurate_nan =
ReadSetting(QStringLiteral("cpuopt_unsafe_inaccurate_nan"), true).toBool();
}
qt_config->endGroup();
@ -1327,6 +1329,8 @@ void Config::SaveCpuValues() {
Settings::values.cpuopt_unsafe_unfuse_fma, true);
WriteSetting(QStringLiteral("cpuopt_unsafe_reduce_fp_error"),
Settings::values.cpuopt_unsafe_reduce_fp_error, true);
WriteSetting(QStringLiteral("cpuopt_unsafe_inaccurate_nan"),
Settings::values.cpuopt_unsafe_inaccurate_nan, true);
}
qt_config->endGroup();

3
src/yuzu/configuration/configure_cpu.cpp
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@ -36,6 +36,8 @@ void ConfigureCpu::SetConfiguration() {
ui->cpuopt_unsafe_unfuse_fma->setChecked(Settings::values.cpuopt_unsafe_unfuse_fma);
ui->cpuopt_unsafe_reduce_fp_error->setEnabled(runtime_lock);
ui->cpuopt_unsafe_reduce_fp_error->setChecked(Settings::values.cpuopt_unsafe_reduce_fp_error);
ui->cpuopt_unsafe_inaccurate_nan->setEnabled(runtime_lock);
ui->cpuopt_unsafe_inaccurate_nan->setChecked(Settings::values.cpuopt_unsafe_inaccurate_nan);
}
void ConfigureCpu::AccuracyUpdated(int index) {
@ -61,6 +63,7 @@ void ConfigureCpu::ApplyConfiguration() {
static_cast<Settings::CPUAccuracy>(ui->accuracy->currentIndex());
Settings::values.cpuopt_unsafe_unfuse_fma = ui->cpuopt_unsafe_unfuse_fma->isChecked();
Settings::values.cpuopt_unsafe_reduce_fp_error = ui->cpuopt_unsafe_reduce_fp_error->isChecked();
Settings::values.cpuopt_unsafe_inaccurate_nan = ui->cpuopt_unsafe_inaccurate_nan->isChecked();
}
void ConfigureCpu::changeEvent(QEvent* event) {

12
src/yuzu/configuration/configure_cpu.ui
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@ -109,6 +109,18 @@
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="cpuopt_unsafe_inaccurate_nan">
<property name="text">
<string>Inaccurate NaN handling</string>
</property>
<property name="toolTip">
<string>
&lt;div&gt;This option improves speed by removing NaN checking. Please note this also reduces accuracy of certain floating-point instructions.&lt;/div&gt;
</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>