PowerPC: Simplify TLB resetting

Member initializers and std::array make this trivial for fixed value initialization.

Source/Core/Core/PowerPC/PowerPC.cpp

@@ -172,20 +172,7 @@ void Init(int cpu_core)
 
   ppcState.pagetable_base = 0;
   ppcState.pagetable_hashmask = 0;
-
-  for (int tlb = 0; tlb < 2; tlb++)
-  {
-    for (int set = 0; set < 64; set++)
-    {
-      ppcState.tlb[tlb][set].recent = 0;
-      for (int way = 0; way < 2; way++)
-      {
-        ppcState.tlb[tlb][set].paddr[way] = 0;
-        ppcState.tlb[tlb][set].pte[way] = 0;
-        ppcState.tlb[tlb][set].tag[way] = TLB_TAG_INVALID;
-      }
-    }
-  }
+  ppcState.tlb = {};
 
   ResetRegisters();
 

Source/Core/Core/PowerPC/PowerPC.h

@@ -49,10 +49,10 @@ enum CoreMode
 
 struct tlb_entry
 {
-  u32 tag[TLB_WAYS];
-  u32 paddr[TLB_WAYS];
-  u32 pte[TLB_WAYS];
-  u8 recent;
+  u32 tag[TLB_WAYS] = {TLB_TAG_INVALID, TLB_TAG_INVALID};
+  u32 paddr[TLB_WAYS] = {};
+  u32 pte[TLB_WAYS] = {};
+  u8 recent = 0;
 };
 
 // This contains the entire state of the emulated PowerPC "Gekko" CPU.
@@ -116,7 +116,7 @@ struct PowerPCState
   // also for power management, but we don't care about that.
   u32 spr[1024];
 
-  tlb_entry tlb[NUM_TLBS][TLB_SIZE / TLB_WAYS];
+  std::array<std::array<tlb_entry, TLB_SIZE / TLB_WAYS>, NUM_TLBS> tlb;
 
   u32 pagetable_base;
   u32 pagetable_hashmask;