Implementation notes: amd64, cezanne, crypto_aead/acorn128v3

Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: acorn128v3
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
27048464718 0 021112 812 1016T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
31381963856 0 020186 788 1080T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
32672933244 0 017874 788 1080T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
35077726857 0 023496 812 1048T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
37004282512 0 015565 764 1048T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
38616185412 0 022152 812 1048T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
193935262752 0 016903 772 1080T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
196887302767 0 016694 804 1016T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
226749852528 0 016142 804 1016T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625

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:
ImplementationCompiler
T:8bitcompactclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitcompactclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitcompactclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitcompactclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitcompactclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:
ImplementationCompiler
T:8bitcompactgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitcompactgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitcompactgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitcompactgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

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:
ImplementationCompiler
T:8bitfastclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfastclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfastclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfastclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfastclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:
ImplementationCompiler
T:8bitfastgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfastgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfastgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfastgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

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:
ImplementationCompiler
T:8bitfast2clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfast2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfast2clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfast2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:8bitfast2clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:
ImplementationCompiler
T:8bitfast2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfast2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfast2gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:8bitfast2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

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:
ImplementationCompiler
T:opt1clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:opt1clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:opt1clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:opt1clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:opt1clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:
ImplementationCompiler
T:opt1gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:opt1gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:opt1gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:opt1gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

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:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)