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Hi Timothy, Sorry for late reply. I have upstreamed the patch to fix the regression here: https://github.com/projectNe10/Ne10/commit/ee5d856cd9cb8c4a15ace567df4239f4e788d043 I have tested it with Vish's branch: http://git.linaro.org/people/viswanath.puttagunta/opus.git/shortlog/refs/heads/rfcv3_fft_fixed) Both unit test dft and unit test mdct passed on ARM v7/v8, floating point/fixed

...oat32': NE10_fft.c:(.text+0x138): undefined reference to `sincos' collect2: error: ld returned 1 exit status Forcing it to be enabled, linking against libNE10 fails: CCLD libopus.la /usr/bin/ld: /home/tterribe/src/xiph/git/arm/Ne10/build/modules/libNE10.a(NE10_fft_generic_float32.neonintrinsic.cpp.o): relocation R_ARM_THM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC /home/tterribe/src/xiph/git/arm/Ne10/build/modules/libNE10.a: error adding symbols: Bad value collect2: error: ld returned 1 exit status Then attempting to bu...

...): undefined reference to `sincos' > collect2: error: ld returned 1 exit status > > > Forcing it to be enabled, linking against libNE10 fails: > > CCLD libopus.la > /usr/bin/ld: > /home/tterribe/src/xiph/git/arm/Ne10/build/modules/libNE10.a(NE10_fft_generic_float32.neonintrinsic.cpp.o): > relocation R_ARM_THM_MOVW_ABS_NC against `a local symbol' can not be used > when making a shared object; recompile with -fPIC > /home/tterribe/src/xiph/git/arm/Ne10/build/modules/libNE10.a: error adding > symbols: Bad value > collect2: error: ld returned 1 exit status &...

Changes from RFC PATCH v1: - passing arch parameter explicitly - reduced stack usage by ~3.5K by using scaled NE10 fft version - moved all optimization array functions to arm_celt_map.c - Other cleanups pointed out by Timothy Phil, As you mentioned earlier, could you please address all compile and linker errors/warnings coming out of Ne10 library? You can find my working Ne10 repo at [1] You