diff --git a/src/Attributes.h b/src/Attributes.h
index f2c03824..8fb87984 100644
--- a/src/Attributes.h
+++ b/src/Attributes.h
@@ -3,9 +3,11 @@
 #ifdef __GNUC__
 
 #define ATTRIBUTE_HOT __attribute__((hot))
+#define ATTRIBUTE_OPTIMIZE(optString) __attribute__((optimize(optString)))
 
 #else
 
 #define ATTRIBUTE_HOT
+#define ATTRIBUTE_OPTIMIZE(optString)
 
 #endif
diff --git a/src/PixTone.cpp b/src/PixTone.cpp
index fd48a938..5242d853 100644
--- a/src/PixTone.cpp
+++ b/src/PixTone.cpp
@@ -66,7 +66,7 @@ void MakeWaveTables(void)
 
 //BOOL wave_tables_made;
 
-ATTRIBUTE_HOT BOOL MakePixelWaveData(const PIXTONEPARAMETER *ptp, unsigned char *pData)
+ATTRIBUTE_HOT ATTRIBUTE_OPTIMIZE("-ffast-math") BOOL MakePixelWaveData(const PIXTONEPARAMETER *ptp, unsigned char *pData)
 {
 	int i;
 	int a, b, c, d;