Logging to with a ringbuffer. Much faster.

src/xenia/cpu/backend/x64/x64_emitter.cc

@@ -75,7 +75,7 @@ X64Emitter::X64Emitter(X64Backend* backend, XbyakAllocator* allocator)
   }
 
   if (!cpu_.has(Xbyak::util::Cpu::tAVX)) {
-    XEFATAL(
+    xe::FatalError(
         "Your CPU is too old to support Xenia. See the FAQ for system "
         "requirements at http://xenia.jp");
     return;

src/xenia/cpu/frontend/ppc_scanner.cc

@@ -22,7 +22,9 @@
 #if 0
 #define LOGPPC(fmt, ...) XELOGCORE('p', fmt, ##__VA_ARGS__)
 #else
-#define LOGPPC(fmt, ...) XE_EMPTY_MACRO
+#define LOGPPC(fmt, ...) \
+  do {                   \
+  } while (false)
 #endif
 
 namespace xe {