Implementation notes: armeabi, bblack, crypto_dh/ed521gs

Computer: bblack
Microarchitecture: armeabi; Cortex-A8 (413fc082)
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20240425
Operation: crypto_dh
Primitive: ed521gs

Compiler output

dh.c: dh.c:19:9: error: __int128 is not supported on this target
dh.c: typedef __int128 type128;
dh.c:         ^
dh.c: 1 error generated.

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

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`
`T:ref`	`clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`
`T:ref`	`clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`
`T:ref`	`clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`
`T:ref`	`clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE (4.2.1_Compatible_Clang_7.0.1_(tags/RELEASE_701/final))`

Compiler output

dh.c: dh.c:19:9: 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:160:22: 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:163:22: 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:166:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c:   t=(type128)w[3]*i+(t>>58);
dh.c:                       ^~
dh.c: dh.c:169:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c:   t=(type128)w[4]*i+(t>>58);
dh.c:                       ^~
dh.c: dh.c:172:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c:   t=(type128)w[5]*i+(t>>58);
dh.c:                       ^~
dh.c: dh.c:175:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c:   t=(type128)w[6]*i+(t>>58);
dh.c:                       ^~
dh.c: dh.c:178:22: warning: right shift count >= width of type [-Wshift-count-overflow]
dh.c:   t=(type128)w[7]*i+(t>>58);
dh.c:                       ^~
dh.c: ...

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE (8.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE (8.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE (8.3.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE (8.3.0)`