tmp-lshift.s:106: Error: selected processor does not support ARM mode `vdup.32 d6,r3'

[Jeffrey Walton]

I'm working on my BananaPi. It is a Cortex-A7 with ARMv7-a.

Compile results in the following. According to Stallman I believe you
are supposed to add the necessary options to compile the file
independent of CFLAGS, and it should not need to be override-able by
the user because it is required. Also see
https://www.gnu.org/prep/standards/html_node/Command-Variables.html .

 gcc -std=gnu99 -c -DHAVE_CONFIG_H -I. -I.. -D__GMP_WITHIN_GMP -I..
-DOPERATION_lshift -I/usr/local/include -DNDEBUG -g2 -O2 -march=native
-fPIC -Wa,--noexecstack tmp-lshift.s -fPIC -DPIC -o .libs/lshift.o
tmp-lshift.s:  gcc -std=gnu99 -c -DHAVE_CONFIG_H -I. -I..
-D__GMP_WITHIN_GMP -I.. -DOPERATION_rshift -I/usr/local/include
-DNDEBUG -g2 -O2 -march=native -fPIC -Wa,--noexecstack tmp-rshift.s
-fPIC -DPIC -o .libs/rshift.o
Assembler messages:
tmp-lshift.s:106: Error: selected processor does not support ARM mode
`vdup.32 d6,r3'
tmp-lshift.s:108: Error: selected processor does not support ARM mode
`vdup.32 d7,r3'
tmp-lshift.s:114: Error: selected processor does not support ARM mode
`vshl.u64 d18,d19,d7'
tmp-lshift.s:120: Error: selected processor does not support ARM mode
`vshl.u64 d4,d19,d6'
...
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