diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2016-08-22 00:14:22 +0200 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2016-08-22 17:20:18 +0200 |
| commit | 750233df5055b4c0af70a82265e9da0224fd0011 (patch) | |
| tree | 2dccb7e8cc257d9619726f6ad74989db2e043624 /package/ffmpeg/0013-bfin-disable-optimization.patch | |
| parent | 1adaf87c1c4e0531694a3a6f690d0644f729bf8d (diff) | |
| download | buildroot-750233df5055b4c0af70a82265e9da0224fd0011.tar.gz buildroot-750233df5055b4c0af70a82265e9da0224fd0011.zip | |
ffmpeg: fix bfin build
A gcc bug is triggered when Os/O2/O3 is used to compile the function.
Just force O1 for the problematic function for Blackfin.
See gcc bug report:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311
Fixes:
http://autobuild.buildroot.net/results/1118d568959006b7f973761884fd3f4b63be19b1/
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'package/ffmpeg/0013-bfin-disable-optimization.patch')
| -rw-r--r-- | package/ffmpeg/0013-bfin-disable-optimization.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/package/ffmpeg/0013-bfin-disable-optimization.patch b/package/ffmpeg/0013-bfin-disable-optimization.patch new file mode 100644 index 0000000000..1d8a4f015d --- /dev/null +++ b/package/ffmpeg/0013-bfin-disable-optimization.patch @@ -0,0 +1,26 @@ +Fix bfin compile error + +See gcc bug report: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311 + +Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> + +diff -Nur ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c ffmpeg-2.8.7/libavcodec/hevcdsp_template.c +--- ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c 2016-03-29 04:25:16.000000000 +0200 ++++ ffmpeg-2.8.7/libavcodec/hevcdsp_template.c 2016-08-12 21:32:36.728178969 +0200 +@@ -1517,7 +1517,14 @@ + #define TQ2 pix[2 * xstride + 3 * ystride] + #define TQ3 pix[3 * xstride + 3 * ystride] + +-static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix, ++// Blackfin gcc 6.1.x fails with ++// unable to find a register to spill in class CCREGS ++#if defined(__bfin__) ++#define disable_opt __attribute__ ((optimize("O1"))) ++#else ++#define disable_opt ++#endif ++static void disable_opt FUNC(hevc_loop_filter_luma)(uint8_t *_pix, + ptrdiff_t _xstride, ptrdiff_t _ystride, + int beta, int *_tc, + uint8_t *_no_p, uint8_t *_no_q) |
