core: clean up warnings

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -99,7 +99,7 @@ static void AddTicks(u64 ticks) {
 }
 
 static u64 GetTicksRemaining() {
-    int ticks = CoreTiming::GetDowncount();
+    s64 ticks = CoreTiming::GetDowncount();
     return static_cast<u64>(ticks <= 0 ? 0 : ticks);
 }
 

src/core/arm/dyncom/arm_dyncom.cpp

@@ -75,7 +75,7 @@ ARM_DynCom::ARM_DynCom(PrivilegeMode initial_mode) {
 ARM_DynCom::~ARM_DynCom() {}
 
 void ARM_DynCom::Run() {
-    ExecuteInstructions(std::max(CoreTiming::GetDowncount(), 0));
+    ExecuteInstructions(std::max<s64>(CoreTiming::GetDowncount(), 0));
 }
 
 void ARM_DynCom::Step() {
@@ -143,7 +143,7 @@ void ARM_DynCom::SetCP15Register(CP15Register reg, u32 value) {
     state->CP15[reg] = value;
 }
 
-void ARM_DynCom::ExecuteInstructions(int num_instructions) {
+void ARM_DynCom::ExecuteInstructions(u64 num_instructions) {
     state->NumInstrsToExecute = num_instructions;
     unsigned ticks_executed = InterpreterMainLoop(state.get());
     CoreTiming::AddTicks(ticks_executed);

src/core/arm/dyncom/arm_dyncom.h

@@ -42,7 +42,7 @@ public:
     void PrepareReschedule() override;
 
 private:
-    void ExecuteInstructions(int num_instructions);
+    void ExecuteInstructions(u64 num_instructions);
 
     std::unique_ptr<ARMul_State> state;
 };

src/core/arm/dyncom/arm_dyncom_trans.h

@@ -1,4 +1,8 @@
 #pragma once
+#ifdef _MSC_VER
+// nonstandard extension used: zero-sized array in struct/union
+#pragma warning(disable : 4200)
+#endif
 
 #include <cstddef>
 #include "common/common_types.h"

src/core/arm/skyeye_common/armstate.h

@@ -221,7 +221,7 @@ public:
     u32 TFlag; // Thumb state
 
     unsigned long long NumInstrs; // The number of instructions executed
-    unsigned NumInstrsToExecute;
+    u64 NumInstrsToExecute;
 
     unsigned NresetSig; // Reset the processor
     unsigned NfiqSig;