dsputil: Drop ff_check_alignment() function

The function is supposed to confirm that the compiler provided enough
alignment, but in practice it is only run in certain code paths and
insufficient alignment problems are restricted to legacy compilers.

1 files changed, 0 insertions, 23 deletions

diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 6f44f9a7cc..8dbb18c867 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -29,7 +29,6 @@
 
 #include "libavutil/attributes.h"
 #include "libavutil/imgutils.h"
-#include "libavutil/internal.h"
 #include "avcodec.h"
 #include "copy_block.h"
 #include "dct.h"
@@ -2417,30 +2416,8 @@ av_cold void ff_dsputil_static_init(void)
     }
 }
 
-int ff_check_alignment(void){
-    static int did_fail=0;
-    LOCAL_ALIGNED_16(int, aligned, [4]);
-
-    if((intptr_t)aligned & 15){
-        if(!did_fail){
-#if HAVE_MMX || HAVE_ALTIVEC
-            av_log(NULL, AV_LOG_ERROR,
-                "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
-                "and may be very slow or crash. This is not a bug in libavcodec,\n"
-                "but in the compiler. You may try recompiling using gcc >= 4.2.\n"
-                "Do not report crashes to Libav developers.\n");
-#endif
-            did_fail=1;
-        }
-        return -1;
-    }
-    return 0;
-}
-
 av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
 {
-    ff_check_alignment();
-
 #if CONFIG_ENCODERS
     if (avctx->bits_per_raw_sample == 10) {
         c->fdct    = ff_jpeg_fdct_islow_10;