[FFmpeg-devel] [PATCH v5 1/4] mips: improve detection of ISAs, FPU and ASEs (DSP, MSA)

[Michael Niedermayer]

On Wed, Jan 06, 2016 at 04:55:26PM +0000, Vicente Olivert Riera wrote:
> Signed-off-by: Vicente Olivert Riera <Vincent.Riera at imgtec.com>
> ---
> Changes v4 -> v5:
>  - Check for msa.h and disable msa if not found.
> 
> Changes v3 -> v4:
>  - Nothing.
> 
> Changes v2 -> v3:
>  - Nothing.
> 
> Changes v1 -> v2:
>  - Add a block of code for mipsdspr2 which was previously placed in the
>    first patch of this series causing a syntax error in the configure
>    script.
>    https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2015-November/183444.html
> 
>  configure | 85 +++++++++++++++++++++++++++++++++++++++++++++++++--------------
>  1 file changed, 67 insertions(+), 18 deletions(-)

still fails to build:
make distclean ; ../configure  --cross-prefix=/usr/mips-linux-gnu/bin/ --cc='ccache mips-linux-gnu-gcc-4.4' --arch=mips --target-os=linux --enable-cross-compile && make -j12
...
CC      libavcodec/mips/aaccoder_mips.o
Assembler messages:
Warning: mips1 ISA does not support DSP ASE
Warning: mips1 ISA does not support DSP R2 ASE
/tmp/ccAm9ayd.s:320: Error: opcode not supported on this processor: mips1 (mips1) `movn $4,$24,$12'
/tmp/ccAm9ayd.s:321: Error: opcode not supported on this processor: mips1 (mips1) `movn $9,$25,$13'
/tmp/ccAm9ayd.s:322: Error: opcode not supported on this processor: mips1 (mips1) `movn $8,$16,$14'
/tmp/ccAm9ayd.s:323: Error: opcode not supported on this processor: mips1 (mips1) `movn $5,$17,$15'
/tmp/ccAm9ayd.s:509: Error: opcode not supported on this processor: mips1 (mips1) `movn $4,$24,$11'
/tmp/ccAm9ayd.s:510: Error: opcode not supported on this processor: mips1 (mips1) `movn $8,$24,$13'
/tmp/ccAm9ayd.s:511: Error: opcode not supported on this processor: mips1 (mips1) `movn $6,$24,$14'
/tmp/ccAm9ayd.s:512: Error: opcode not supported on this processor: mips1 (mips1) `movn $5,$24,$15'
/tmp/ccAm9ayd.s:707: Error: opcode not supported on this processor: mips1 (mips1) `movn $5,$24,$12'
/tmp/ccAm9ayd.s:708: Error: opcode not supported on this processor: mips1 (mips1) `movn $9,$24,$13'
/tmp/ccAm9ayd.s:709: Error: opcode not supported on this processor: mips1 (mips1) `movn $4,$24,$14'
/tmp/ccAm9ayd.s:710: Error: opcode not supported on this processor: mips1 (mips1) `movn $8,$24,$15'
/tmp/ccAm9ayd.s:723: Error: opcode not supported on this processor: mips1 (mips1) `movn $5,$24,$12'
...

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
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