package/ffmpeg/0001-bfin-disable-optimization.patch

   1 Fix bfin compile error
   2
   3 See gcc bug report:
   4 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311
   5
   6 Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
   7
   8 diff -Nur ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c ffmpeg-2.8.7/libavcodec/hevcdsp_template.c
   9 --- ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c     2016-03-29 04:25:16.000000000 +0200
  10 +++ ffmpeg-2.8.7/libavcodec/hevcdsp_template.c  2016-08-12 21:32:36.728178969 +0200
  11 @@ -1517,7 +1517,14 @@
  12  #define TQ2 pix[2  * xstride + 3 * ystride]
  13  #define TQ3 pix[3  * xstride + 3 * ystride]
  14
  15 -static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix,
  16 +// Blackfin gcc 6.1.x fails with
  17 +// unable to find a register to spill in class CCREGS
  18 +#if defined(__bfin__)
  19 +#define disable_opt __attribute__ ((optimize("O1")))
  20 +#else
  21 +#define disable_opt
  22 +#endif
  23 +static void disable_opt FUNC(hevc_loop_filter_luma)(uint8_t *_pix,
  24                                          ptrdiff_t _xstride, ptrdiff_t _ystride,
  25                                          int beta, int *_tc,
  26                                          uint8_t *_no_p, uint8_t *_no_q)