3DS: Use blip_add_delta_fast for a small speed improvement

CHANGES

@@ -20,6 +20,7 @@ Misc:
  - SDL: Remove default gamepad mappings
  - Qt: Update 360 input profile on OS X to reflect newer drivers
  - Qt: Remove use of NaN
+ - 3DS: Use blip_add_delta_fast for a small speed improvement
 
 0.4.0: (2016-02-02)
 Features:

src/gb/audio.c

@@ -10,6 +10,10 @@
 #include "gb/gb.h"
 #include "gb/io.h"
 
+#ifdef _3DS
+#define blip_add_delta blip_add_delta_fast
+#endif
+
 #define FRAME_CYCLES (DMG_LR35902_FREQUENCY >> 9)
 
 const uint32_t DMG_LR35902_FREQUENCY = 0x400000;

src/gba/audio.c

@@ -11,6 +11,10 @@
 #include "gba/serialize.h"
 #include "gba/video.h"
 
+#ifdef _3DS
+#define blip_add_delta blip_add_delta_fast
+#endif
+
 mLOG_DEFINE_CATEGORY(GBA_AUDIO, "GBA Audio");
 
 const unsigned GBA_AUDIO_SAMPLES = 2048;