On Fri, May 06, 2016 at 12:08:14PM +0200, Hendrik Leppkes wrote: > > Just to document it, this has caused build breakage in various > scenarios, even in GCC 5.3 (6.1 not tested). > > The latest reported on IRC just today here: > libavcodec/sbrdsp.c: In function 'sbr_neg_odd_64_c': > libavcodec/sbrdsp.c:47:13: internal compiler error: in > vect_analyze_data_ref_accesses, at tree-vect-data-refs.c:2596 > static void sbr_neg_odd_64_c(float *x) > > There are various other cases which usually involve inline asm when > building with SIMD (ie. --cpu=host) and the optimizer running out of > registers, for example: > libavcodec/x86/cabac.h:192:5: error: 'asm' operand has impossible constraints > > IMHO this feature is not quite ready to be enabled unconditionally in > our code base, and we should re-evaluate this change.
I don't have a problem with reverting this commit, but as James mentioned I do prefer the bug to be reported to GCC if possible. Have you also considered the possibility to enable this feature only if inline assembly is not enabled? Timothy _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
