Implementation notes: armeabi, novena, crypto_dh/nist521gs

Computer: novena
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20220506
Operation: crypto_dh
Primitive: nist521gs

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

dh.c: dh.c:14:9: error: __int128 is not supported on this target
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: 1 error generated.

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

dh.c: dh.c:14:9: error: ‘__int128’ is not supported on this target
dh.c: 14 | typedef __int128 type128;
dh.c: | ^~~~~~~~
dh.c: dh.c: In function ‘gsqr’:
dh.c: dh.c:279:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 279 | t2=4*((type128)x[1]*x[8]+(type128)x[2]*x[7]+(type128)x[3]*x[6]+(type128)x[4]*x[5])+(type128)x[0]*x[0]+2*(t1>>58);
dh.c: | ^~
dh.c: dh.c:281:111: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 281 | t1=4*((type128)x[2]*x[8]+(type128)x[3]*x[7]+(type128)x[4]*x[6])+2*((type128)x[0]*x[1]+(type128)x[5]*x[5])+(t2>>58);
dh.c: | ^~
dh.c: dh.c:283:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 283 | t2=4*((type128)x[3]*x[8]+(type128)x[4]*x[7]+(type128)x[5]*x[6])+2*(type128)x[0]*x[2]+(type128)x[1]*x[1]+(t1>>58);
dh.c: | ^~
dh.c: dh.c:285:111: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 285 | t1=4*((type128)x[4]*x[8]+(type128)x[5]*x[7])+2*((type128)x[0]*x[3]+(type128)x[1]*x[2]+(type128)x[6]*x[6])+(t2>>58);
dh.c: | ^~
dh.c: dh.c:287:111: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 287 | t2=4*((type128)x[5]*x[8]+(type128)x[6]*x[7])+2*((type128)x[0]*x[4]+(type128)x[1]*x[3])+(type128)x[2]*x[2]+(t1>>58);
dh.c: | ^~
dh.c: dh.c:289:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 289 | t1=4*(type128)x[6]*x[8]+2*((type128)x[0]*x[5]+(type128)x[1]*x[4]+(type128)x[2]*x[3]+(type128)x[7]*x[7])+(t2>>58);
dh.c: | ^~
dh.c: dh.c:291:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 291 | t2=4*(type128)x[7]*x[8]+2*((type128)x[0]*x[6]+(type128)x[1]*x[5]+(type128)x[2]*x[4])+(type128)x[3]*x[3]+(t1>>58);
dh.c: | ^~
dh.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
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