Fix compilation error when SIMD is not supported.

src/nvtt/squish/simd.h

@@ -28,6 +28,12 @@
 
 #include "maths.h"
 
+#ifdef __GNUC__
+#	define SQUISH_ALIGN_16 __attribute__ ((__aligned__ (16)))
+#else
+#	define SQUISH_ALIGN_16 __declspec(align(16))
+#endif
+
 #if SQUISH_USE_ALTIVEC
 #include "simd_ve.h"
 #endif

src/nvtt/squish/simd_sse.h

@@ -35,12 +35,6 @@
 #define SQUISH_SSE_SPLAT( a )										\
 	( ( a ) | ( ( a ) << 2 ) | ( ( a ) << 4 ) | ( ( a ) << 6 ) )
 
-#ifdef __GNUC__
-#	define SQUISH_ALIGN_16 __attribute__ ((__aligned__ (16)))
-#else
-#	define SQUISH_ALIGN_16 __declspec(align(16))
-#endif
-
 namespace squish {
 
 #define VEC4_CONST( X ) Vec4( _mm_set1_ps( X ) )

src/nvtt/squish/simd_ve.h

@@ -29,8 +29,6 @@
 #include <altivec.h>
 #undef bool
 
-#define SQUISH_ALIGN_16 __attribute__ ((__aligned__ (16)))
-
 namespace squish {
 
 #define VEC4_CONST( X ) Vec4( ( vector float )( X ) )