Implementation notes: aarch64, a72, crypto_sign/rainbow

Computer: a72
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20170904
Operation: crypto_sign
Primitive: rainbow

Test failure

Implementation: crypto_sign/rainbow/ref
Compiler: g++ -funroll-loops -march=native -mtune=native -O2
error 111
crypto_sign_open returns nonzero
Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
g++ -funroll-loops -march=native -mtune=native -O2 ref
g++ -funroll-loops -march=native -mtune=native -O3 ref
g++ -funroll-loops -march=native -mtune=native -Os ref
g++ -march=native -mtune=native -O2 ref
g++ -march=native -mtune=native -O3 ref
g++ -march=native -mtune=native -Os ref