Implementation notes: armeabi, tonido, crypto_dh/ed521gs

Computer: tonido
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20170718
Operation: crypto_dh
Primitive: ed521gs

Compiler output

Implementation: crypto_dh/ed521gs/ref
Compiler: gcc -funroll-loops -march=native -mtune=xscale -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: In function 'gmuli':
dh.c: dh.c:159:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[1]*i+(t>>58);
dh.c: ^~
dh.c: dh.c:162:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[2]*i+(t>>58);
dh.c: ^~
dh.c: ...
dh.c: dh.c:303:10: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: st1+=(t2>>58);
dh.c: ^~
dh.c: dh.c:305:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: z[0]+=2*(type64)(st1>>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 -march=native -mtune=xscale -O2 ref
gcc -funroll-loops -march=native -mtune=xscale -O3 ref
gcc -funroll-loops -march=native -mtune=xscale -Os ref
gcc -march=native -mtune=xscale -O2 ref
gcc -march=native -mtune=xscale -O3 ref
gcc -march=native -mtune=xscale -Os ref