Hi Philip, How do I go a out trying an alternative as you suggest?
Thanks! [Sent from mobile device] On Tue, May 8, 2018, 6:07 PM Philip Balister <phi...@balister.org> wrote: > I'm not that familiar wit Raspian, but my impression is that it is > binary compatible with the original Pi, which has no neon support. The > volk code didn't handle this gracefully until recently. > > That said, The Pi 3 does support neon and better. For the Pi-3, I'd use > something built to take advantage of the better processor. > > Philip > > > On 05/08/2018 11:08 AM, Brad Hein wrote: > > On a new Raspberry Pi 3, running Raspbian, all apt-get package updates > > loaded, I'm encountering an error compiling gnuradio (branch: master). I > > made one modification from the default source code, and that is the > neonasm > > patch to fix a different compile error with a missing instruction on the > > Pi. > > > > Has anybody encountered the ARM mode error mentioned below or know what I > > can do to push past it? > > > > > > $ git diff HEAD~1 > > diff --git > > a/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s > > b/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s > > index e4002b8..37dcd75 100644 > > --- a/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s > > +++ b/kernels/volk/asm/neon/volk_32f_x2_dot_prod_32f_a_neonasm_opts.s > > @@ -43,7 +43,12 @@ volk_32f_x2_dot_prod_32f_a_neonasm_opts: > > vadd.f32 s15, s15, s13 > > vadd.f32 s15, s15, s14 > > bls .done @ if vector is multiple of 16 then finish > > - sbfx r11, r1, #2, #1 @ check alignment > > +@ BH > > > https://lists.gnu.org/archive/html/discuss-gnuradio/2016-01/msg00234.html > > +@ sbfx r11, r1, #2, #1 @ check alignment > > + mov r11,#0 > > + tst r1,#4 > > + movne r11,#15 > > +# BH END OF PATCH > > rsb r9, r8, r3 > > and r11, r11, #3 > > mov r6, r1 > > > > > > > > $ cat /etc/debian_version > > 8.0 > > > > > > $ uname -a > > Linux redwave 4.9.35-v7+ #1014 SMP Fri Jun 30 14:47:43 BST 2017 armv7l > > GNU/Linux > > > > $ gnuradio branch: master (82d0a6b) > > * 82d0a6b -(4 weeks ago) gr-newmod: Pylint fixes in python scripts . > > Swapnil Negi (HEAD, origin/master, origin/HEAD, master) > > > > > > > > Error output follows: > > > > [ 0%] Building C object > > volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o > > In file included from > > /home/pi/gr/gnuradio/build/volk/lib/volk_machine_neon_hardfp_orc.c:130:0: > > /home/pi/gr/gnuradio/volk/kernels/volk/volk_32fc_s32fc_multiply_32fc.h: > In > > function ‘volk_32fc_s32fc_multiply_32fc_neon’: > > > /home/pi/gr/gnuradio/volk/kernels/volk/volk_32fc_s32fc_multiply_32fc.h:282:16: > > warning: unused variable ‘cPtr’ [-Wunused-variable] > > lv_32fc_t* cPtr = cVector; > > ^ > > /tmp/ccWuy8Qj.s: Assembler messages: > > /tmp/ccWuy8Qj.s:7707: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7718: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7725: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7732: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7740: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7747: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7754: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7761: Error: selected processor does not support ARM mode > > `rbit r4,r4' > > /tmp/ccWuy8Qj.s:7789: Error: selected processor does not support ARM mode > > `rbit ip,ip' > > volk/lib/CMakeFiles/volk_obj.dir/build.make:2572: recipe for target > > 'volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o' > failed > > make[2]: *** > > [volk/lib/CMakeFiles/volk_obj.dir/volk_machine_neon_hardfp_orc.c.o] > Error 1 > > CMakeFiles/Makefile2:178: recipe for target > > 'volk/lib/CMakeFiles/volk_obj.dir/all' failed > > make[1]: *** [volk/lib/CMakeFiles/volk_obj.dir/all] Error 2 > > Makefile:160: recipe for target 'all' failed > > make: *** [all] Error 2 > > > > > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > >
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