Implementation notes: amd64, speed2supercop, crypto_aead/acorn128v3

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: acorn128v3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
46176	9144 0 0	25454 792 872	`T:opt1`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
46672	9144 0 0	25662 792 872	`T:opt1`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
54984	4887 0 0	18535 784 920	`T:opt1`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
56660	10168 0 0	26286 792 856	`T:opt1`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
57544	15358 0 0	28718 792 856	`T:opt1`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
69944	9101 0 0	24837 752 928	`T:opt1`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
71924	4890 0 0	17136 728 896	`T:opt1`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
72800	5316 0 0	19061 752 928	`T:opt1`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
80152	5208 0 0	18660 744 928	`T:opt1`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
356912	11087 0 0	27182 792 856	`T:8bitfast2`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
362332	11058 0 0	28574 792 872	`T:8bitfast2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
364528	7070 0 0	24390 792 872	`T:8bitfast2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
374528	3447 0 0	16876 744 928	`T:8bitfast2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
381604	8433 0 0	21774 792 856	`T:8bitfast2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
382048	6650 0 0	22439 760 928	`T:8bitfast`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
390880	3711 0 0	17503 760 928	`T:8bitfast2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
394228	3455 0 0	16884 744 928	`T:8bitfast`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
394360	3273 0 0	15554 736 896	`T:8bitfast2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
398720	3711 0 0	17503 760 928	`T:8bitfast`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
403332	3521 0 0	17679 784 920	`T:8bitfast2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
406036	9329 0 0	22670 792 856	`T:8bitfast`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
412604	3249 0 0	15538 736 896	`T:8bitfast`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
415760	3568 0 0	17719 784 920	`T:8bitfast`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
416988	9492 0 0	26822 792 872	`T:8bitfast`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
417364	11599 0 0	29118 792 872	`T:8bitfast`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
418724	11628 0 0	27726 792 856	`T:8bitfast`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
425572	7040 0 0	22823 760 928	`T:8bitfast2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
2396468	10312 0 0	27904 800 872	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
2424496	8854 0 0	22264 800 856	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
2437104	9816 0 0	25984 800 856	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
2630172	3629 0 0	19431 760 928	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
2997500	3022 0 0	16831 760 928	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
3109028	2507 0 0	16761 792 920	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
4044000	9144 0 0	26544 800 872	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
6775916	2457 0 0	14762 736 896	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625
21216752	2825 0 0	16268 744 928	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240703	20240625

Test failure

error 111
crypto_aead_decrypt returns nonzero

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:8bitcompact`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

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:         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: 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:         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: 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:         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: 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:95:19: warning: unused variable 'ks' [-Wunused-variable]
encrypt.c:     unsigned char ks=0, tem=0, t;
encrypt.c:                   ^
encrypt.c: encrypt.c:154:19: warning: unused variable 'ksbyte' [-Wunused-variable]
encrypt.c:     unsigned char ksbyte = 0;
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: ...

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

Implementation	Compiler
`T:8bitcompact`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitcompact`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

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:95:19: warning: unused variable 'ks' [-Wunused-variable]
encrypt.c:    95 |     unsigned char ks=0, tem=0, t;
encrypt.c:       |                   ^~
encrypt.c: encrypt.c: In function 'acorn128_fixed_padding_256':
encrypt.c: encrypt.c:154:19: warning: unused variable 'ksbyte' [-Wunused-variable]
encrypt.c:   154 |     unsigned char ksbyte = 0;
encrypt.c: ...

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

Implementation	Compiler
`T:8bitcompact`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitcompact`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

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:         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: 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:         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: 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:         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: 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:         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: 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:179:19: warning: unused variable 'ks' [-Wunused-variable]
encrypt.c: ...

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

Implementation	Compiler
`T:8bitfast`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

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 (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:8bitfast`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

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:         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: 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:         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: 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:         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: 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:         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: 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:178:19: warning: unused variable 'ks' [-Wunused-variable]
encrypt.c: ...

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

Implementation	Compiler
`T:8bitfast2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:8bitfast2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

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 (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:8bitfast2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:8bitfast2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

encrypt.c: encrypt.c:27:82: warning: unused variable 'word_0' [-Wunused-variable]
encrypt.c:     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:                                                                                  ^
encrypt.c: encrypt.c:27:90: warning: unused variable 'word_107' [-Wunused-variable]
encrypt.c:     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:                                                                                          ^
encrypt.c: encrypt.c:27:100: warning: unused variable 'word_230' [-Wunused-variable]
encrypt.c:     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:                                                                                                    ^
encrypt.c: encrypt.c:28:32: warning: unused variable 'word_154' [-Wunused-variable]
encrypt.c:     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:                                ^
encrypt.c: encrypt.c:28:50: warning: unused variable 'word_61' [-Wunused-variable]
encrypt.c:     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:                                                  ^
encrypt.c: encrypt.c:28:58: warning: unused variable 'word_193' [-Wunused-variable]
encrypt.c:     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:                                                          ^
encrypt.c: encrypt.c:81:82: warning: unused variable 'word_0' [-Wunused-variable]
encrypt.c:     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:                                                                                  ^
encrypt.c: encrypt.c:81:90: warning: unused variable 'word_107' [-Wunused-variable]
encrypt.c:     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:                                                                                          ^
encrypt.c: encrypt.c:81:100: warning: unused variable 'word_230' [-Wunused-variable]
encrypt.c: ...

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

Implementation	Compiler
`T:opt1`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt1`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt1`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt1`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:opt1`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

encrypt.c: encrypt.c: In function 'encrypt_32bits':
encrypt.c: encrypt.c:28:58: warning: unused variable 'word_193' [-Wunused-variable]
encrypt.c:    28 |     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:       |                                                          ^~~~~~~~
encrypt.c: encrypt.c:28:50: warning: unused variable 'word_61' [-Wunused-variable]
encrypt.c:    28 |     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:       |                                                  ^~~~~~~
encrypt.c: encrypt.c:28:32: warning: unused variable 'word_154' [-Wunused-variable]
encrypt.c:    28 |     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:       |                                ^~~~~~~~
encrypt.c: encrypt.c:27:100: warning: unused variable 'word_230' [-Wunused-variable]
encrypt.c:    27 |     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:       |                                                                                                    ^~~~~~~~
encrypt.c: encrypt.c:27:90: warning: unused variable 'word_107' [-Wunused-variable]
encrypt.c:    27 |     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:       |                                                                                          ^~~~~~~~
encrypt.c: encrypt.c:27:82: warning: unused variable 'word_0' [-Wunused-variable]
encrypt.c:    27 |     unsigned long long word_244, word_23, word_160, word_111, word_66, word_196, word_0, word_107, word_230;
encrypt.c:       |                                                                                  ^~~~~~
encrypt.c: encrypt.c: In function 'encrypt_32bits_fast':
encrypt.c: encrypt.c:82:58: warning: unused variable 'word_193' [-Wunused-variable]
encrypt.c:    82 |     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c:       |                                                          ^~~~~~~~
encrypt.c: encrypt.c:82:50: warning: unused variable 'word_61' [-Wunused-variable]
encrypt.c:    82 |     unsigned long long word_12,word_154,word_235,word_61,word_193;
encrypt.c: ...

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

Implementation	Compiler
`T:opt1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:opt1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:opt1`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:opt1`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`

Compiler output

encrypt.c: encrypt.c:67:21: warning: unused variable 't' [-Wunused-variable]
encrypt.c:     unsigned char i,t[4];
encrypt.c:                     ^
encrypt.c: 1 warning generated.

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

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))`

Compiler output

encrypt.c: encrypt.c: In function 'acorn128_enc_onebyte':
encrypt.c: encrypt.c:67:21: warning: unused variable 't' [-Wunused-variable]
encrypt.c:    67 |     unsigned char i,t[4];
encrypt.c:       |                     ^

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)`