ConfigManager: Drop SkipIdle option.

This option is safe + deterministic, so let's always enable it.

Source/Core/Core/Analytics.cpp

@@ -193,7 +193,6 @@ void DolphinAnalytics::MakePerGameBuilder()
   builder.AddData("cfg-dsp-jit", SConfig::GetInstance().m_DSPEnableJIT);
   builder.AddData("cfg-dsp-thread", SConfig::GetInstance().bDSPThread);
   builder.AddData("cfg-cpu-thread", SConfig::GetInstance().bCPUThread);
-  builder.AddData("cfg-idle-skip", SConfig::GetInstance().bSkipIdle);
   builder.AddData("cfg-fastmem", SConfig::GetInstance().bFastmem);
   builder.AddData("cfg-syncgpu", SConfig::GetInstance().bSyncGPU);
   builder.AddData("cfg-audio-backend", SConfig::GetInstance().sBackend);

Source/Core/Core/Boot/Boot.cpp

@@ -302,7 +302,7 @@ bool CBoot::BootUp()
     }
 
     // Scan for common HLE functions
-    if (_StartupPara.bSkipIdle && _StartupPara.bHLE_BS2 && !_StartupPara.bEnableDebugging)
+    if (_StartupPara.bHLE_BS2 && !_StartupPara.bEnableDebugging)
     {
       PPCAnalyst::FindFunctions(0x80004000, 0x811fffff, &g_symbolDB);
       SignatureDB db;

Source/Core/Core/BootManager.cpp

@@ -65,7 +65,6 @@ private:
   bool valid;
   bool bCPUThread;
   bool bEnableCheats;
-  bool bSkipIdle;
   bool bSyncGPUOnSkipIdleHack;
   bool bFPRF;
   bool bAccurateNaNs;
@@ -97,7 +96,6 @@ void ConfigCache::SaveConfig(const SConfig& config)
 
   bCPUThread = config.bCPUThread;
   bEnableCheats = config.bEnableCheats;
-  bSkipIdle = config.bSkipIdle;
   bSyncGPUOnSkipIdleHack = config.bSyncGPUOnSkipIdleHack;
   bFPRF = config.bFPRF;
   bAccurateNaNs = config.bAccurateNaNs;
@@ -140,7 +138,6 @@ void ConfigCache::RestoreConfig(SConfig* config)
 
   config->bCPUThread = bCPUThread;
   config->bEnableCheats = bEnableCheats;
-  config->bSkipIdle = bSkipIdle;
   config->bSyncGPUOnSkipIdleHack = bSyncGPUOnSkipIdleHack;
   config->bFPRF = bFPRF;
   config->bAccurateNaNs = bAccurateNaNs;
@@ -250,7 +247,6 @@ bool BootCore(const std::string& _rFilename)
 
     core_section->Get("CPUThread", &StartUp.bCPUThread, StartUp.bCPUThread);
     core_section->Get("EnableCheats", &StartUp.bEnableCheats, StartUp.bEnableCheats);
-    core_section->Get("SkipIdle", &StartUp.bSkipIdle, StartUp.bSkipIdle);
     core_section->Get("SyncOnSkipIdle", &StartUp.bSyncGPUOnSkipIdleHack,
                       StartUp.bSyncGPUOnSkipIdleHack);
     core_section->Get("FPRF", &StartUp.bFPRF, StartUp.bFPRF);
@@ -330,7 +326,6 @@ bool BootCore(const std::string& _rFilename)
   if (Movie::IsPlayingInput() && Movie::IsConfigSaved())
   {
     StartUp.bCPUThread = Movie::IsDualCore();
-    StartUp.bSkipIdle = Movie::IsSkipIdle();
     StartUp.bDSPHLE = Movie::IsDSPHLE();
     StartUp.bProgressive = Movie::IsProgressive();
     StartUp.bPAL60 = Movie::IsPAL60();

Source/Core/Core/ConfigManager.cpp

@@ -220,7 +220,6 @@ void SConfig::SaveCoreSettings(IniFile& ini)
   core->Set("Fastmem", bFastmem);
   core->Set("CPUThread", bCPUThread);
   core->Set("DSPHLE", bDSPHLE);
-  core->Set("SkipIdle", bSkipIdle);
   core->Set("SyncOnSkipIdle", bSyncGPUOnSkipIdleHack);
   core->Set("SyncGPU", bSyncGPU);
   core->Set("SyncGpuMaxDistance", iSyncGpuMaxDistance);
@@ -493,7 +492,6 @@ void SConfig::LoadCoreSettings(IniFile& ini)
   core->Get("DSPHLE", &bDSPHLE, true);
   core->Get("TimingVariance", &iTimingVariance, 40);
   core->Get("CPUThread", &bCPUThread, true);
-  core->Get("SkipIdle", &bSkipIdle, true);
   core->Get("SyncOnSkipIdle", &bSyncGPUOnSkipIdleHack, true);
   core->Get("DefaultISO", &m_strDefaultISO);
   core->Get("DVDRoot", &m_strDVDRoot);
@@ -644,7 +642,6 @@ void SConfig::LoadDefaults()
   iCPUCore = PowerPC::CORE_JIT64;
   iTimingVariance = 40;
   bCPUThread = false;
-  bSkipIdle = false;
   bSyncGPUOnSkipIdleHack = true;
   bRunCompareServer = false;
   bDSPHLE = true;

Source/Core/Core/ConfigManager.h

@@ -92,7 +92,6 @@ struct SConfig : NonCopyable
   bool bCPUThread = true;
   bool bDSPThread = false;
   bool bDSPHLE = true;
-  bool bSkipIdle = true;
   bool bSyncGPUOnSkipIdleHack = true;
   bool bNTSC = false;
   bool bForceNTSCJ = false;

Source/Core/Core/Core.cpp

@@ -924,11 +924,9 @@ void UpdateTitle()
       float TicksPercentage =
           (float)diff / (float)(SystemTimers::GetTicksPerSecond() / 1000000) * 100;
 
-      SFPS +=
-          StringFromFormat(" | CPU: %s%i MHz [Real: %i + IdleSkip: %i] / %i MHz (%s%3.0f%%)",
-                           _CoreParameter.bSkipIdle ? "~" : "", (int)(diff), (int)(diff - idleDiff),
-                           (int)(idleDiff), SystemTimers::GetTicksPerSecond() / 1000000,
-                           _CoreParameter.bSkipIdle ? "~" : "", TicksPercentage);
+      SFPS += StringFromFormat(" | CPU: ~%i MHz [Real: %i + IdleSkip: %i] / %i MHz (~%3.0f%%)",
+                               (int)(diff), (int)(diff - idleDiff), (int)(idleDiff),
+                               SystemTimers::GetTicksPerSecond() / 1000000, TicksPercentage);
     }
   }
   // This is our final "frame counter" string

Source/Core/Core/Movie.cpp

@@ -67,7 +67,7 @@ static u64 s_totalLagCount = 0;                               // just stats
 static u64 s_currentInputCount = 0, s_totalInputCount = 0;    // just stats
 static u64 s_totalTickCount = 0, s_tickCountAtLastInput = 0;  // just stats
 static u64 s_recordingStartTime;  // seconds since 1970 that recording started
-static bool s_bSaveConfig = false, s_bSkipIdle = false, s_bDualCore = false;
+static bool s_bSaveConfig = false, s_bDualCore = false;
 static bool s_bProgressive = false, s_bPAL60 = false;
 static bool s_bDSPHLE = false, s_bFastDiscSpeed = false;
 static bool s_bSyncGPU = false, s_bNetPlay = false;
@@ -477,11 +477,6 @@ bool IsPAL60()
   return s_bPAL60;
 }
 
-bool IsSkipIdle()
-{
-  return s_bSkipIdle;
-}
-
 bool IsDSPHLE()
 {
   return s_bDSPHLE;
@@ -952,7 +947,6 @@ void ReadHeader()
   if (tmpHeader.bSaveConfig)
   {
     s_bSaveConfig = true;
-    s_bSkipIdle = tmpHeader.bSkipIdle;
     s_bDualCore = tmpHeader.bDualCore;
     s_bProgressive = tmpHeader.bProgressive;
     s_bPAL60 = tmpHeader.bPAL60;
@@ -1432,7 +1426,7 @@ void SaveRecording(const std::string& filename)
   header.recordingStartTime = s_recordingStartTime;
 
   header.bSaveConfig = true;
-  header.bSkipIdle = s_bSkipIdle;
+  header.bSkipIdle = true;
   header.bDualCore = s_bDualCore;
   header.bProgressive = s_bProgressive;
   header.bPAL60 = s_bPAL60;
@@ -1518,7 +1512,6 @@ void SetGraphicsConfig()
 void GetSettings()
 {
   s_bSaveConfig = true;
-  s_bSkipIdle = SConfig::GetInstance().bSkipIdle;
   s_bDualCore = SConfig::GetInstance().bCPUThread;
   s_bProgressive = SConfig::GetInstance().bProgressive;
   s_bPAL60 = SConfig::GetInstance().bPAL60;

Source/Core/Core/PowerPC/Interpreter/Interpreter_Branch.cpp

@@ -22,7 +22,7 @@ void Interpreter::bx(UGeckoInstruction _inst)
 
   m_EndBlock = true;
 
-  if (NPC == PC && SConfig::GetInstance().bSkipIdle)
+  if (NPC == PC)
   {
     CoreTiming::Idle();
   }
@@ -58,7 +58,7 @@ void Interpreter::bcx(UGeckoInstruction _inst)
   // lwz r0, XXXX(r13)
   // cmpXwi r0,0
   // beq -8
-  if (NPC == PC - 8 && _inst.hex == 0x4182fff8 /* beq */ && SConfig::GetInstance().bSkipIdle)
+  if (NPC == PC - 8 && _inst.hex == 0x4182fff8 /* beq */)
   {
     if (PowerPC::HostRead_U32(PC - 8) >> 16 == 0x800D /* lwz */)
     {

Source/Core/Core/PowerPC/Jit64/Jit_LoadStore.cpp

@@ -125,8 +125,8 @@ void Jit64::lXXx(UGeckoInstruction inst)
   // ... maybe the throttle one already do that :p
   // TODO: We shouldn't use a debug read here.  It should be possible to get
   // the following instructions out of the JIT state.
-  if (SConfig::GetInstance().bSkipIdle && CPU::GetState() != CPU::CPU_STEPPING && inst.OPCD == 32 &&
-      MergeAllowedNextInstructions(2) && (inst.hex & 0xFFFF0000) == 0x800D0000 &&
+  if (CPU::GetState() != CPU::CPU_STEPPING && inst.OPCD == 32 && MergeAllowedNextInstructions(2) &&
+      (inst.hex & 0xFFFF0000) == 0x800D0000 &&
       (js.op[1].inst.hex == 0x28000000 ||
        (SConfig::GetInstance().bWii && js.op[1].inst.hex == 0x2C000000)) &&
       js.op[2].inst.hex == 0x4182fff8)

Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStore.cpp

@@ -430,7 +430,7 @@ void JitArm64::lXX(UGeckoInstruction inst)
   SafeLoadToReg(d, update ? a : (a ? a : -1), offsetReg, flags, offset, update);
 
   // LWZ idle skipping
-  if (SConfig::GetInstance().bSkipIdle && inst.OPCD == 32 && MergeAllowedNextInstructions(2) &&
+  if (inst.OPCD == 32 && MergeAllowedNextInstructions(2) &&
       (inst.hex & 0xFFFF0000) == 0x800D0000 &&  // lwz r0, XXXX(r13)
       (js.op[1].inst.hex == 0x28000000 ||
        (SConfig::GetInstance().bWii && js.op[1].inst.hex == 0x2C000000)) &&  // cmpXwi r0,0

Source/Core/Core/PowerPC/JitILCommon/JitILBase_Branch.cpp

@@ -145,7 +145,7 @@ void JitILBase::bcx(UGeckoInstruction inst)
   // If idle skipping is enabled, then this branch will only be reached when the branch is not
   // taken.
   // TODO: We shouldn't use debug reads here.
-  if (SConfig::GetInstance().bSkipIdle && inst.hex == 0x4182fff8 &&
+  if (inst.hex == 0x4182fff8 &&
       (PowerPC::HostRead_U32(js.compilerPC - 8) & 0xFFFF0000) == 0x800D0000 &&
       (PowerPC::HostRead_U32(js.compilerPC - 4) == 0x28000000 ||
        (SConfig::GetInstance().bWii && PowerPC::HostRead_U32(js.compilerPC - 4) == 0x2C000000)))

Source/Core/Core/PowerPC/JitILCommon/JitILBase_LoadStore.cpp

@@ -57,8 +57,7 @@ void JitILBase::lXz(UGeckoInstruction inst)
   // TODO: This really should be done somewhere else. Either lower in the IR
   // or higher in PPCAnalyst
   // TODO: We shouldn't use debug reads here.
-  if (SConfig::GetInstance().bSkipIdle && CPU::GetState() != CPU::CPU_STEPPING &&
-      inst.OPCD == 32 &&  // Lwx
+  if (CPU::GetState() != CPU::CPU_STEPPING && inst.OPCD == 32 &&  // Lwx
       (inst.hex & 0xFFFF0000) == 0x800D0000 &&
       (PowerPC::HostRead_U32(js.compilerPC + 4) == 0x28000000 ||
        (SConfig::GetInstance().bWii && PowerPC::HostRead_U32(js.compilerPC + 4) == 0x2C000000)) &&

Source/Core/DolphinWX/Config/GeneralConfigPane.cpp

@@ -54,7 +54,6 @@ void GeneralConfigPane::InitializeGUI()
     m_cpu_engine_array_string.Add(cpu_core.name);
 
   m_dual_core_checkbox = new wxCheckBox(this, wxID_ANY, _("Enable Dual Core (speedup)"));
-  m_idle_skip_checkbox = new wxCheckBox(this, wxID_ANY, _("Enable Idle Skipping (speedup)"));
   m_cheats_checkbox = new wxCheckBox(this, wxID_ANY, _("Enable Cheats"));
   m_force_ntscj_checkbox = new wxCheckBox(this, wxID_ANY, _("Force Console as NTSC-J"));
   m_analytics_checkbox = new wxCheckBox(this, wxID_ANY, _("Enable Usage Statistics Reporting"));
@@ -73,8 +72,6 @@ void GeneralConfigPane::InitializeGUI()
   m_dual_core_checkbox->SetToolTip(
       _("Splits the CPU and GPU threads so they can be run on separate cores.\nProvides major "
         "speed improvements on most modern PCs, but can cause occasional crashes/glitches."));
-  m_idle_skip_checkbox->SetToolTip(
-      _("Attempt to detect and skip wait-loops.\nIf unsure, leave this checked."));
   m_cheats_checkbox->SetToolTip(_("Enables the use of Action Replay and Gecko cheats."));
   m_force_ntscj_checkbox->SetToolTip(
       _("Forces NTSC-J mode for using the Japanese ROM font.\nIf left unchecked, Dolphin defaults "
@@ -92,7 +89,6 @@ void GeneralConfigPane::InitializeGUI()
                                    "or lower the audio pitch to prevent audio from stuttering."));
 
   m_dual_core_checkbox->Bind(wxEVT_CHECKBOX, &GeneralConfigPane::OnDualCoreCheckBoxChanged, this);
-  m_idle_skip_checkbox->Bind(wxEVT_CHECKBOX, &GeneralConfigPane::OnIdleSkipCheckBoxChanged, this);
   m_cheats_checkbox->Bind(wxEVT_CHECKBOX, &GeneralConfigPane::OnCheatCheckBoxChanged, this);
   m_force_ntscj_checkbox->Bind(wxEVT_CHECKBOX, &GeneralConfigPane::OnForceNTSCJCheckBoxChanged,
                                this);
@@ -116,8 +112,6 @@ void GeneralConfigPane::InitializeGUI()
   basic_settings_sizer->AddSpacer(space5);
   basic_settings_sizer->Add(m_dual_core_checkbox, 0, wxLEFT | wxRIGHT, space5);
   basic_settings_sizer->AddSpacer(space5);
-  basic_settings_sizer->Add(m_idle_skip_checkbox, 0, wxLEFT | wxRIGHT, space5);
-  basic_settings_sizer->AddSpacer(space5);
   basic_settings_sizer->Add(m_cheats_checkbox, 0, wxLEFT | wxRIGHT, space5);
   basic_settings_sizer->AddSpacer(space5);
   basic_settings_sizer->Add(throttler_sizer);
@@ -155,7 +149,6 @@ void GeneralConfigPane::LoadGUIValues()
   const SConfig& startup_params = SConfig::GetInstance();
 
   m_dual_core_checkbox->SetValue(startup_params.bCPUThread);
-  m_idle_skip_checkbox->SetValue(startup_params.bSkipIdle);
   m_cheats_checkbox->SetValue(startup_params.bEnableCheats);
   m_force_ntscj_checkbox->SetValue(startup_params.bForceNTSCJ);
   m_analytics_checkbox->SetValue(startup_params.m_analytics_enabled);
@@ -175,7 +168,6 @@ void GeneralConfigPane::RefreshGUI()
   if (Core::IsRunning())
   {
     m_dual_core_checkbox->Disable();
-    m_idle_skip_checkbox->Disable();
     m_cheats_checkbox->Disable();
     m_force_ntscj_checkbox->Disable();
     m_cpu_engine_radiobox->Disable();
@@ -190,11 +182,6 @@ void GeneralConfigPane::OnDualCoreCheckBoxChanged(wxCommandEvent& event)
   SConfig::GetInstance().bCPUThread = m_dual_core_checkbox->IsChecked();
 }
 
-void GeneralConfigPane::OnIdleSkipCheckBoxChanged(wxCommandEvent& event)
-{
-  SConfig::GetInstance().bSkipIdle = m_idle_skip_checkbox->IsChecked();
-}
-
 void GeneralConfigPane::OnCheatCheckBoxChanged(wxCommandEvent& event)
 {
   SConfig::GetInstance().bEnableCheats = m_cheats_checkbox->IsChecked();

Source/Core/DolphinWX/Config/GeneralConfigPane.h

@@ -29,7 +29,6 @@ private:
   void RefreshGUI();
 
   void OnDualCoreCheckBoxChanged(wxCommandEvent&);
-  void OnIdleSkipCheckBoxChanged(wxCommandEvent&);
   void OnCheatCheckBoxChanged(wxCommandEvent&);
   void OnForceNTSCJCheckBoxChanged(wxCommandEvent&);
   void OnThrottlerChoiceChanged(wxCommandEvent&);
@@ -41,7 +40,6 @@ private:
   wxArrayString m_cpu_engine_array_string;
 
   wxCheckBox* m_dual_core_checkbox;
-  wxCheckBox* m_idle_skip_checkbox;
   wxCheckBox* m_cheats_checkbox;
   wxCheckBox* m_force_ntscj_checkbox;
 

Source/Core/DolphinWX/Frame.cpp

@@ -288,7 +288,6 @@ EVT_MENU(IDM_FIFOPLAYER, CFrame::OnFifoPlayer)
 
 EVT_MENU(IDM_TOGGLE_FULLSCREEN, CFrame::OnToggleFullscreen)
 EVT_MENU(IDM_TOGGLE_DUAL_CORE, CFrame::OnToggleDualCore)
-EVT_MENU(IDM_TOGGLE_SKIP_IDLE, CFrame::OnToggleSkipIdle)
 EVT_MENU(IDM_TOGGLE_TOOLBAR, CFrame::OnToggleToolbar)
 EVT_MENU(IDM_TOGGLE_STATUSBAR, CFrame::OnToggleStatusbar)
 EVT_MENU_RANGE(IDM_LOG_WINDOW, IDM_VIDEO_WINDOW, CFrame::OnToggleWindow)

Source/Core/DolphinWX/Frame.h

@@ -294,7 +294,6 @@ private:
 
   void OnToggleFullscreen(wxCommandEvent& event);
   void OnToggleDualCore(wxCommandEvent& event);
-  void OnToggleSkipIdle(wxCommandEvent& event);
   void OnManagerResize(wxAuiManagerEvent& event);
   void OnMove(wxMoveEvent& event);
   void OnResize(wxSizeEvent& event);

Source/Core/DolphinWX/FrameTools.cpp

@@ -1571,12 +1571,6 @@ void CFrame::OnToggleDualCore(wxCommandEvent& WXUNUSED(event))
   SConfig::GetInstance().SaveSettings();
 }
 
-void CFrame::OnToggleSkipIdle(wxCommandEvent& WXUNUSED(event))
-{
-  SConfig::GetInstance().bSkipIdle = !SConfig::GetInstance().bSkipIdle;
-  SConfig::GetInstance().SaveSettings();
-}
-
 void CFrame::OnLoadStateFromFile(wxCommandEvent& WXUNUSED(event))
 {
   wxString path =

Source/Core/DolphinWX/Globals.h

@@ -288,7 +288,6 @@ enum
   // --------------------------------------------------------------
 
   IDM_TOGGLE_DUAL_CORE,  // Other
-  IDM_TOGGLE_SKIP_IDLE,
   IDM_TOGGLE_TOOLBAR,
   IDM_TOGGLE_STATUSBAR,
   IDM_NOTIFY_MAP_LOADED,