Implementation notes: amd64, hertz, crypto_aead/acorn128v3

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240107
Operation: crypto_aead
Primitive: acorn128v3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
45267	9502 0 0	26781 804 1160	`T:opt1`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
46464	5488 0 0	20757 804 1096	`T:opt1`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
48522	5170 0 0	18728 780 1064	`T:opt1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
49863	9064 0 0	25754 844 1096	`T:opt1`	`clang-17_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
49940	9064 0 0	25882 844 1096	`T:opt1`	`clang-17_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
62589	4817 0 0	19260 836 1096	`T:opt1`	`clang-17_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
3337053	9785 0 0	27757 852 1096	`T:ref`	`clang-17_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
3375178	2511 0 0	17486 844 1096	`T:ref`	`clang-17_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
3465132	8713 0 0	26557 852 1096	`T:ref`	`clang-17_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
3490770	2758 0 0	16394 788 1064	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
3551200	4024 0 0	21375 812 1160	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
3753389	3420 0 0	18767 812 1096	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217

Compiler output

Implementation: T:8bitcompact
Security model: timingleaks
Compiler: clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.c: encrypt.c:105:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 105 | acorn128_8steps(state, &(key[j]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:24:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:111:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 111 | acorn128_8steps(state, &(iv[j-16]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:24:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:123:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 123 | acorn128_8steps(state, &(key[j&0xf]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:24:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:199:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 199 | acorn128_8steps(state, &(ad[i]), &ciphertextbyte, ca, cb, 1);
encrypt.c: | ^~~~~~~~
encrypt.c: encrypt.c:24:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:209:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitcompact
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitcompact
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitcompact

Compiler output

Implementation: T:8bitcompact
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.c: encrypt.c: In function 'acorn128_initialization':
encrypt.c: encrypt.c:105:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 105 | acorn128_8steps(state, &(key[j]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:24:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:111:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 111 | acorn128_8steps(state, &(iv[j-16]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:24:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:123:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 123 | acorn128_8steps(state, &(key[j&0xf]), &tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:24:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c: In function 'crypto_aead_acorn128v3_8bitcompact_timingleaks_encrypt':
encrypt.c: encrypt.c:199:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 199 | acorn128_8steps(state, &(ad[i]), &ciphertextbyte, ca, cb, 1);
encrypt.c: | ^~~~~~~~
encrypt.c: encrypt.c:24:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 24 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitcompact
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitcompact
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitcompact

Compiler output

Implementation: T:8bitfast
Security model: timingleaks
Compiler: clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.c: encrypt.c:190:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 190 | acorn128_32steps(state, &(key[j]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:196:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 196 | acorn128_32steps(state, &(iv[j-16]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:208:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 208 | acorn128_8steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:108:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 108 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:213:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 213 | acorn128_32steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:294:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast

Compiler output

Implementation: T:8bitfast
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.c: encrypt.c: In function 'acorn128_initialization':
encrypt.c: encrypt.c:190:33: warning: passing argument 2 of 'acorn128_32steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 190 | acorn128_32steps(state, &(key[j]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:196:33: warning: passing argument 2 of 'acorn128_32steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 196 | acorn128_32steps(state, &(iv[j-16]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:208:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 208 | acorn128_8steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:108:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 108 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:213:33: warning: passing argument 2 of 'acorn128_32steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 213 | acorn128_32steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_32steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast

Compiler output

Implementation: T:8bitfast2
Security model: timingleaks
Compiler: clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.c: encrypt.c:189:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 189 | acorn128_64steps(state, &(key[j]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:195:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 195 | acorn128_64steps(state, &(iv[j-16]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:207:32: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 207 | acorn128_8steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:107:59: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 107 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:212:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: 212 | acorn128_64steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: passing argument to parameter 'plaintextbyte' here
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ^
encrypt.c: encrypt.c:293:33: warning: passing 'const unsigned char *' to parameter of type 'unsigned char *' discards qualifiers [-Wincompatible-pointer-types-discards-qualifiers]
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast2
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast2
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:8bitfast2

Compiler output

Implementation: T:8bitfast2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.c: encrypt.c: In function 'acorn128_initialization':
encrypt.c: encrypt.c:189:33: warning: passing argument 2 of 'acorn128_64steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 189 | acorn128_64steps(state, &(key[j]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:195:33: warning: passing argument 2 of 'acorn128_64steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 195 | acorn128_64steps(state, &(iv[j-16]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:207:32: warning: passing argument 2 of 'acorn128_8steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 207 | acorn128_8steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:107:59: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 107 | void acorn128_8steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: encrypt.c:212:33: warning: passing argument 2 of 'acorn128_64steps' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
encrypt.c: 212 | acorn128_64steps(state, &(key[j&0xf]), tem, 0xff, 0xff, 1);
encrypt.c: | ^~~~~~~~~~~~~
encrypt.c: encrypt.c:27:60: note: expected 'unsigned char *' but argument is of type 'const unsigned char *'
encrypt.c: 27 | void acorn128_64steps(unsigned char *state, unsigned char *plaintextbyte, unsigned char *ciphertextbyte, unsigned char cabyte, unsigned char cbbyte, unsigned char enc_dec_flag)
encrypt.c: | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 3, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:8bitfast2