Implementation notes: armeabi, a15, crypto_dh/ed521gs

Computer: a15
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20161026
Operation: crypto_dh
Primitive: ed521gs

Compiler output

Implementation: crypto_dh/ed521gs/ref
Compiler: gcc -funroll-loops -mcpu=native -mfpu=neon-vfpv4 -O2
dh.c: dh.c:18:9: error: '__int128' is not supported on this target
dh.c: typedef __int128 type128;
dh.c: ^~~~~~~~
dh.c: dh.c:18:18: warning: type defaults to 'int' in declaration of 'type128' [-Wimplicit-int]
dh.c: typedef __int128 type128;
dh.c: ^~~~~~~
dh.c: dh.c: In function 'gmuli':
dh.c: dh.c:159:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[1]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: ...
dh.c: dh.c:303:10: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: st1+=(t2>gt;>gt;58);
dh.c: ^~
dh.c: dh.c:305:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: z[0]+=2*(type64)(st1>gt;>gt;58);
dh.c: ^~
dh.c: dh.c: In function 'crypto_dh_ed521gs_ref_keypair':
dh.c: dh.c:771:2: warning: implicit declaration of function 'randombytes' [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
gcc -funroll-loops -mcpu=native -mfpu=neon-vfpv4 -O2 ref
gcc -funroll-loops -mcpu=native -mfpu=neon-vfpv4 -O3 ref
gcc -funroll-loops -mcpu=native -mfpu=neon-vfpv4 -Os ref
gcc -mcpu=native -mfpu=neon-vfpv4 -O2 ref
gcc -mcpu=native -mfpu=neon-vfpv4 -O3 ref
gcc -mcpu=native -mfpu=neon-vfpv4 -Os ref