Adjusting stack padding on executes.

src/xenia/cpu/processor.cc

@@ -331,16 +331,20 @@ bool Processor::Execute(ThreadState* thread_state, uint32_t address) {
 
   PPCContext* context = thread_state->context();
 
-  // Setup registers.
-  uint64_t previous_lr = context->lr;
+  // Pad out stack a bit, as some games seem to overwrite the caller by about
+  // 16 to 32b.
+  context->r[1] -= 64 + 112;
+
   // This could be set to anything to give us a unique identifier to track
   // re-entrancy/etc.
+  uint64_t previous_lr = context->lr;
   context->lr = 0xBEBEBEBE;
 
   // Execute the function.
   auto result = fn->Call(thread_state, uint32_t(context->lr));
 
   context->lr = previous_lr;
+  context->r[1] += 64 + 112;
 
   return result;
 }

src/xenia/cpu/thread_state.cc

@@ -103,10 +103,6 @@ ThreadState::ThreadState(Processor* processor, uint32_t thread_id,
   context_->r[1] = stack_base_;
   context_->r[13] = pcr_address_;
 
-  // Pad out stack a bit, as some games seem to overwrite the caller by about
-  // 16 to 32b.
-  context_->r[1] -= 64;
-
   processor_->debugger()->OnThreadCreated(this);
 }