750233df50
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>
27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
Fix bfin compile error
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See gcc bug report:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c ffmpeg-2.8.7/libavcodec/hevcdsp_template.c
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--- ffmpeg-2.8.7.orig/libavcodec/hevcdsp_template.c 2016-03-29 04:25:16.000000000 +0200
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+++ ffmpeg-2.8.7/libavcodec/hevcdsp_template.c 2016-08-12 21:32:36.728178969 +0200
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@@ -1517,7 +1517,14 @@
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#define TQ2 pix[2 * xstride + 3 * ystride]
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#define TQ3 pix[3 * xstride + 3 * ystride]
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-static void FUNC(hevc_loop_filter_luma)(uint8_t *_pix,
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+// Blackfin gcc 6.1.x fails with
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+// unable to find a register to spill in class CCREGS
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+#if defined(__bfin__)
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+#define disable_opt __attribute__ ((optimize("O1")))
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+#else
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+#define disable_opt
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+#endif
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+static void disable_opt FUNC(hevc_loop_filter_luma)(uint8_t *_pix,
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ptrdiff_t _xstride, ptrdiff_t _ystride,
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int beta, int *_tc,
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uint8_t *_no_p, uint8_t *_no_q)
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