Move DECLARE_ALIGNED and DECLARE_ASM_CONST to internal.h.

Their definition depends on preprocessor directives from config.h,
thus they cannot be declared in a public header since public headers
cannot #include config.h.

Originally committed as revision 16781 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 17 insertions, 0 deletions

diff --git a/libavutil/internal.h b/libavutil/internal.h
index c1f849fb3f..3c03bfbf79 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -258,6 +258,23 @@ if((y)<(x)){\
     }\
 }
 
+#if defined(__ICC) || defined(__SUNPRO_C)
+    #define DECLARE_ALIGNED(n,t,v)      t v __attribute__ ((aligned (n)))
+    #define DECLARE_ASM_CONST(n,t,v)    const t __attribute__ ((aligned (n))) v
+#elif defined(__GNUC__)
+    #define DECLARE_ALIGNED(n,t,v)      t v __attribute__ ((aligned (n)))
+    #define DECLARE_ASM_CONST(n,t,v)    static const t v attribute_used __attribute__ ((aligned (n)))
+#elif defined(_MSC_VER)
+    #define DECLARE_ALIGNED(n,t,v)      __declspec(align(n)) t v
+    #define DECLARE_ASM_CONST(n,t,v)    __declspec(align(n)) static const t v
+#elif HAVE_INLINE_ASM
+    #error The asm code needs alignment, but we do not know how to do it for this compiler.
+#else
+    #define DECLARE_ALIGNED(n,t,v)      t v
+    #define DECLARE_ASM_CONST(n,t,v)    static const t v
+#endif
+
+
 #if !HAVE_LLRINT
 static av_always_inline av_const long long llrint(double x)
 {