Implementation notes: armeabi, pi2, crypto_dh/ed521gs

Computer: pi2
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20160731
Operation: crypto_dh
Primitive: ed521gs

Compiler output

Implementation: crypto_dh/ed521gs/ref
Compiler: clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments
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:771:2: warning: implicit declaration of function 'randombytes' is invalid in C99 [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
dh.c: 1 warning and 1 error generated.

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref

Compiler output

Implementation: crypto_dh/ed521gs/ref
Compiler: gcc -mcpu=native -mfpu=neon -O2 -fomit-frame-pointer -fwrapv
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:162:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[2]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: dh.c:165:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[3]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: dh.c:168:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[4]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: dh.c:171:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[5]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: dh.c:174:22: warning: right shift count >gt;= width of type [-Wshift-count-overflow]
dh.c: t=(type128)w[6]*i+(t>gt;>gt;58);
dh.c: ^~
dh.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -mcpu=native -mfpu=neon -O2 -fomit-frame-pointer -fwrapv ref
gcc -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv ref
gcc -mcpu=native -mfpu=neon -O -fomit-frame-pointer -fwrapv ref
gcc -mcpu=native -mfpu=neon -Os -fomit-frame-pointer -fwrapv ref