Implementation notes: aarch64, pi3bplus, crypto_sign/rainbow6a

Computer: pi3bplus
Microarchitecture: aarch64; Cortex-A53 (410fd034)
Architecture: aarch64
CPU ID: 410fd034
SUPERCOP version: 202311020231107
Operation: crypto_sign
Primitive: rainbow6a

Compiler output

Implementation: T:portable
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
hash_utils.c: hash_utils.c: In function '_sha2_str':
hash_utils.c: hash_utils.c:29:9: warning: 'SHA512_Init' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
hash_utils.c: 29 | SHA512_Init( &sha512 );
hash_utils.c: | ^~~~~~~~~~~
hash_utils.c: In file included from hash_utils.c:4:
hash_utils.c: /usr/include/openssl/sha.h:123:27: note: declared here
hash_utils.c: 123 | OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c);
hash_utils.c: | ^~~~~~~~~~~
hash_utils.c: hash_utils.c:30:9: warning: 'SHA512_Update' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
hash_utils.c: 30 | SHA512_Update( &sha512 , m , mlen );
hash_utils.c: | ^~~~~~~~~~~~~
hash_utils.c: /usr/include/openssl/sha.h:124:27: note: declared here
hash_utils.c: 124 | OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c,
hash_utils.c: | ^~~~~~~~~~~~~
hash_utils.c: hash_utils.c:31:9: warning: 'SHA512_Final' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
hash_utils.c: 31 | SHA512_Final( digest , &sha512 );
hash_utils.c: | ^~~~~~~~~~~~
hash_utils.c: /usr/include/openssl/sha.h:126:27: note: declared here
hash_utils.c: 126 | OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
hash_utils.c: | ^~~~~~~~~~~~
hash_utils.c: hash_utils.c: In function 'sha2_file':
hash_utils.c: hash_utils.c:65:9: warning: 'SHA512_Init' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
hash_utils.c: 65 | SHA512_Init( &sha512 );
hash_utils.c: | ^~~~~~~~~~~
hash_utils.c: /usr/include/openssl/sha.h:123:27: note: declared here
hash_utils.c: ...
prng_utils.c: prng_utils.c: In function 'openssl_prng_bytes':
prng_utils.c: prng_utils.c:70:32: warning: implicit declaration of function 'FIPS_mode_set' [-Wimplicit-function-declaration]
prng_utils.c: 70 | fips_mode_on = FIPS_mode_set(1);
prng_utils.c: | ^~~~~~~~~~~~~
try.c: /usr/bin/ld: libcrypto_sign_rainbow6a.a(prng_utils.o): in function `prng_bytes':
try.c: prng_utils.c:(.text+0x...): undefined reference to `FIPS_mode_set'
try.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ref