Implementation notes: x86, cryptothinkx, crypto_dh/nist521gs

Computer: cryptothinkx
Architecture: x86
CPU ID: GenuineIntel-00040651-bfebfbff
SUPERCOP version: 20170105
Operation: crypto_dh
Primitive: nist521gs

Compiler output

Implementation: crypto_dh/nist521gs/ref
Compiler: gcc -funroll-loops -m32 -O2 -fomit-frame-pointer
dh.c: dh.c:13:9: error: ‘__int128’ is not supported on this target
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c:13:18: warning: type defaults to ‘int’ in declaration of ‘type128’ [-Wimplicit-int]
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c: In function ‘gsqr’:
dh.c: dh.c:278:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 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: dh.c:359:73: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: -(type128)(x[2]-x[5])*(y[2]-y[5])-(type128)(x[3]-x[4])*(y[3]-y[4])+(t3>>58);
dh.c: ^
dh.c: dh.c:362:19: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: st1+=((type64)(t2>>58));
dh.c: ^
dh.c: dh.c: In function ‘crypto_dh_nist521gs_ref_keypair’:
dh.c: dh.c:831:2: warning: implicit declaration of function ‘randombytes’ [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
Number of similar (compiler,implementation) pairs: 172, namely:
CompilerImplementations
gcc -funroll-loops -m32 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer ref
gcc -m32 -O2 -fomit-frame-pointer ref
gcc -m32 -O3 -fomit-frame-pointer ref
gcc -m32 -O -fomit-frame-pointer ref
gcc -m32 -Os -fomit-frame-pointer ref
gcc -m32 -march=athlon -O2 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O3 -fomit-frame-pointer ref
gcc -m32 -march=athlon -O -fomit-frame-pointer ref
gcc -m32 -march=athlon -Os -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O3 -fomit-frame-pointer ref
gcc -m32 -march=corei7 -O -fomit-frame-pointer ref
gcc -m32 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m32 -march=i386 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i386 -O -fomit-frame-pointer ref
gcc -m32 -march=i386 -Os -fomit-frame-pointer ref
gcc -m32 -march=i486 -O2 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O3 -fomit-frame-pointer ref
gcc -m32 -march=i486 -O -fomit-frame-pointer ref
gcc -m32 -march=i486 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-2 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -O -fomit-frame-pointer ref
gcc -m32 -march=k6-3 -Os -fomit-frame-pointer ref
gcc -m32 -march=k6 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k6 -O -fomit-frame-pointer ref
gcc -m32 -march=k6 -Os -fomit-frame-pointer ref
gcc -m32 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m32 -march=k8 -O -fomit-frame-pointer ref
gcc -m32 -march=k8 -Os -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m32 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m32 -march=nocona -O -fomit-frame-pointer ref
gcc -m32 -march=nocona -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-m -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer ref
gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium2 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -O -fomit-frame-pointer ref
gcc -m32 -march=pentium4 -Os -fomit-frame-pointer ref
gcc -m32 -march=pentium -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentium -O -fomit-frame-pointer ref
gcc -m32 -march=pentium -Os -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -O -fomit-frame-pointer ref
gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer ref
gcc -m32 -march=prescott -O2 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O3 -fomit-frame-pointer ref
gcc -m32 -march=prescott -O -fomit-frame-pointer ref
gcc -m32 -march=prescott -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_dh/nist521gs/ref
Compiler: gcc -m32 -march=barcelona -O2 -fomit-frame-pointer
dh.c: dh.c:13:9: error: ‘__int128’ is not supported on this target
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c:13:18: warning: type defaults to ‘int’ in declaration of ‘type128’ [-Wimplicit-int]
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c: In function ‘gsqr’:
dh.c: dh.c:278:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 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: dh.c:359:73: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: -(type128)(x[2]-x[5])*(y[2]-y[5])-(type128)(x[3]-x[4])*(y[3]-y[4])+(t3>>58);
dh.c: ^
dh.c: dh.c:362:19: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: st1+=((type64)(t2>>58));
dh.c: ^
dh.c: dh.c: In function ‘crypto_dh_nist521gs_ref_keypair’:
dh.c: dh.c:831:2: warning: implicit declaration of function ‘randombytes’ [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
dh.c: dh.c:13:9: error: ‘__int128’ is not supported on this target
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c:13:18: warning: type defaults to ‘int’ in declaration of ‘type128’ [-Wimplicit-int]
dh.c: typedef __int128 type128;
dh.c: ^
dh.c: dh.c: In function ‘gsqr’:
dh.c: dh.c:278:109: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: 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: dh.c:359:73: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: -(type128)(x[2]-x[5])*(y[2]-y[5])-(type128)(x[3]-x[4])*(y[3]-y[4])+(t3>>58);
dh.c: ^
dh.c: dh.c:362:19: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c: st1+=((type64)(t2>>58));
dh.c: ^
dh.c: dh.c: In function ‘crypto_dh_nist521gs_ref_keypair’:
dh.c: dh.c:831:2: warning: implicit declaration of function ‘randombytes’ [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m32 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -m32 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -m32 -march=barcelona -O -fomit-frame-pointer ref
gcc -m32 -march=barcelona -Os -fomit-frame-pointer ref