Implementation notes: mipso32, erpro8fsf2, crypto_dh/ed521gs

Computer: erpro8fsf2
Architecture: mipso32
CPU ID: unknown CPU ID
SUPERCOP version: 20220213
Operation: crypto_dh
Primitive: ed521gs

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:19:9: error: '__int128' is not supported for this target
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c: In function 'gmuli':
dh.c: dh.c:160:2: warning: right shift count >= width of type
dh.c: t=(type128)w[1]*i+(t>>58);
dh.c: ^
dh.c: dh.c:163:2: warning: right shift count >= width of type
dh.c: t=(type128)w[2]*i+(t>>58);
dh.c: ^
dh.c: dh.c:166:2: warning: right shift count >= width of type
dh.c: t=(type128)w[3]*i+(t>>58);
dh.c: ^
dh.c: dh.c:169:2: warning: right shift count >= width of type
dh.c: t=(type128)w[4]*i+(t>>58);
dh.c: ^
dh.c: dh.c:172:2: warning: right shift count >= width of type
dh.c: t=(type128)w[5]*i+(t>>58);
dh.c: ^
dh.c: dh.c:175:2: warning: right shift count >= width of type
dh.c: t=(type128)w[6]*i+(t>>58);
dh.c: ^
dh.c: dh.c:178:2: warning: right shift count >= width of type
dh.c: t=(type128)w[7]*i+(t>>58);
dh.c: ^
dh.c: ...

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