lavu/mem: clamp alignment to 16 for DJGPP

See also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80208

diff --git a/libavutil/mem.h b/libavutil/mem.h
index 718a143c4c64e267bcf8f205d4648986b7ae6b9e..527cd03191a90927780291ada6394a9414a6750f 100644 (file)
--- a/libavutil/mem.h
+++ b/libavutil/mem.h
@@ -97,6 +97,9 @@
     #define DECLARE_ASM_CONST(n,t,v)                    \
         AV_PRAGMA(DATA_ALIGN(v,n))                      \
         static const t __attribute__((aligned(n))) v
+#elif defined(__DJGPP__)
+    #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (FFMIN(n, 16)))) v
+    #define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (FFMIN(n, 16)))) v
 #elif defined(__GNUC__) || defined(__clang__)
     #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
     #define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (n))) v