Implementation notes: amd64, hydra8, crypto_aead/pi32cipher256v2

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: pi32cipher256v2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
6987126163 8 043196 820 1088T:goptvgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
8148017090 8 032403 812 1088T:goptvgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
8162618968 8 034756 820 1088T:goptvgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1358258880 8 023007 796 1056T:goptvgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1636806113 8 023008 868 1024T:ref3clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1641256351 8 024592 868 1024T:ref3clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1837467685 8 024608 868 1024T:ref2clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1840178079 8 026360 868 1024T:ref2clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
1935856271 8 022568 868 1024T:ref3clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2043887879 8 024216 868 1024T:ref2clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2119256287 8 020712 868 1024T:ref3clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2328287183 8 022964 820 1088T:ref3gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2365535577 8 020899 812 1088T:ref3gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2596984415 8 018434 860 1024T:ref3clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2645335023 8 019047 796 1056T:ref3gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
2656728876 8 025876 820 1088T:ref3gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
6935817311 8 023148 820 1088T:ref2gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
6979866598 8 021024 868 1024T:ref2clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7185355569 8 019615 796 1056T:ref2gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
7530586284 8 021619 812 1088T:ref2gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625
8728964696 8 018746 860 1024T:ref2clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062620240625

Compiler output

pi-cipher.c: pi-cipher.c:286:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c:         n_t += __builtin_shuffle(y, g_mask);
pi-cipher.c:                ^
pi-cipher.c: pi-cipher.c:305:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c:         m_t += __builtin_shuffle(x, g_mask);
pi-cipher.c:                ^
pi-cipher.c: pi-cipher.c:354:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c:         m_t += __builtin_shuffle(x, g_mask);
pi-cipher.c:                ^
pi-cipher.c: 3 errors generated.
Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:goptvclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:goptvclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:goptvclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:goptvclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:goptvclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

pi-cipher.c: pi-cipher.c: In function 'pi32_init':
pi-cipher.c: pi-cipher.c:842:5: warning: 'pi' accessing 64 bytes in a region of size 16 [-Wstringop-overflow=]
pi-cipher.c:   842 |     pi(ctx->cis);
pi-cipher.c:       |     ^~~~~~~~~~~~
pi-cipher.c: pi-cipher.c:842:5: note: referencing argument 1 of type 'word_t (*)[4]' {aka 'unsigned int (*)[4]'}
pi-cipher.c: pi-cipher.c:649:13: note: in a call to function 'pi'
pi-cipher.c:   649 | static void pi(
pi-cipher.c:       |             ^~
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:goptvgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output

encrypt.c: encrypt.c:266:31: warning: unused variable 'ii' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                               ^
encrypt.c: encrypt.c:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:266:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:250:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:250:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optimized_nonSSEclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:250:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:250:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                    ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:262:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:                               ^
encrypt.c: encrypt.c:250:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:250:24: warning: unused variable 'x3' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optimized_nonSSEclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:262:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:                               ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:250:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:266:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:250:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optimized_nonSSEclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:266:31: warning: unused variable 'ii' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                               ^
encrypt.c: encrypt.c:252:41: warning: variable 'npub32' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int32_t *c32, *m32, *ad32, *nsec32, *npub32, *k32;
encrypt.c:                                         ^
encrypt.c: encrypt.c:250:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:            ^
encrypt.c: encrypt.c:266:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:262:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:                               ^
encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optimized_nonSSEclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:262:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:                               ^
encrypt.c: encrypt.c:250:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:250:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                    ^
encrypt.c: encrypt.c:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:250:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:250:24: warning: unused variable 'x3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                        ^
encrypt.c: encrypt.c:250:20: warning: unused variable 'x2' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:optimized_nonSSEclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:31:33: warning: multi-line comment [-Wcomment]
encrypt.c:    31 | #define bSMN CRYPTO_NSECBYTES/W // Offset for storing ciphertext after encrypted SMN\
encrypt.c:       |                                 ^
encrypt.c: encrypt.c: In function 'crypto_aead_pi32cipher256v2_optimized_nonSSE_timingleaks_encrypt':
encrypt.c: encrypt.c:266:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:   266 |  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:       |                                          ^~
encrypt.c: encrypt.c:266:31: warning: unused variable 'ii' [-Wunused-variable]
encrypt.c:   266 |  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:       |                               ^~
encrypt.c: encrypt.c:262:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:   262 |  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:       |                               ^~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:252:50: warning: variable 'k32' set but not used [-Wunused-but-set-variable]
encrypt.c:   252 |  u_int32_t *c32, *m32, *ad32, *nsec32, *npub32, *k32;
encrypt.c:       |                                                  ^~~
encrypt.c: encrypt.c:252:41: warning: variable 'npub32' set but not used [-Wunused-but-set-variable]
encrypt.c:   252 |  u_int32_t *c32, *m32, *ad32, *nsec32, *npub32, *k32;
encrypt.c:       |                                         ^~~~~~
encrypt.c: encrypt.c:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:   250 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                                        ^~
encrypt.c: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:   250 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                                    ^~
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
T:optimized_nonSSEgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:optimized_nonSSEgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:optimized_nonSSEgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:optimized_nonSSEgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output

encrypt.c: encrypt.c:136:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                    ^
encrypt.c: encrypt.c:136:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:152:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:136:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:136:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:136:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:134:62: warning: unused variable 't12' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 2, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:136:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:136:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                    ^
encrypt.c: encrypt.c:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:152:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:136:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:136:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:134:67: warning: unused variable 't13' [-Wunused-variable]
encrypt.c:  u_int32_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:                                                                   ^
encrypt.c: encrypt.c:134:62: warning: unused variable 't12' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:            ^
encrypt.c: encrypt.c:134:62: warning: unused variable 't12' [-Wunused-variable]
encrypt.c:  u_int32_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:                                                              ^
encrypt.c: encrypt.c:134:67: warning: unused variable 't13' [-Wunused-variable]
encrypt.c:  u_int32_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:                                                                   ^
encrypt.c: encrypt.c:136:24: warning: unused variable 'x3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                        ^
encrypt.c: encrypt.c:136:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                ^
encrypt.c: encrypt.c:136:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:136:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:136:16: warning: unused variable 'x1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                ^
encrypt.c: encrypt.c:136:20: warning: unused variable 'x2' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:136:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:152:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:                                          ^
encrypt.c: encrypt.c:136:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:136:40: warning: unused variable 'y3' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:136:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                    ^
encrypt.c: encrypt.c:136:16: warning: unused variable 'x1' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                ^
encrypt.c: encrypt.c:148:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:                               ^
encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:            ^
encrypt.c: encrypt.c:136:24: warning: unused variable 'x3' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c: In function 'crypto_aead_pi32cipher256v2_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:152:42: warning: unused variable 'j1' [-Wunused-variable]
encrypt.c:   152 |  unsigned long long i, j, jj, ii, b, i1, j1, a;
encrypt.c:       |                                          ^~
encrypt.c: encrypt.c:148:31: warning: variable 'CommonInternalState8' set but not used [-Wunused-but-set-variable]
encrypt.c:   148 |  u_int8_t   *InternalState8, *CommonInternalState8, *tempTag8;
encrypt.c:       |                               ^~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:138:50: warning: variable 'k32' set but not used [-Wunused-but-set-variable]
encrypt.c:   138 |  u_int32_t *c32, *m32, *ad32, *nsec32, *npub32, *k32;
encrypt.c:       |                                                  ^~~
encrypt.c: encrypt.c:138:41: warning: variable 'npub32' set but not used [-Wunused-but-set-variable]
encrypt.c:   138 |  u_int32_t *c32, *m32, *ad32, *nsec32, *npub32, *k32;
encrypt.c:       |                                         ^~~~~~
encrypt.c: encrypt.c:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:   136 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                                        ^~
encrypt.c: encrypt.c:136:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:   136 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                                    ^~
encrypt.c: encrypt.c:136:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:   136 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                                ^~
encrypt.c: encrypt.c:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:   136 |  u_int32_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:       |                                            ^~
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output

pi-cipher.c: In function 'mu',
pi-cipher.c:     inlined from 'ast' at pi-cipher.c:257:5:
pi-cipher.c: pi-cipher.c:226:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c:   226 |     phi(t, x, mu_const, mu_v_const, mu_rot_const);
pi-cipher.c:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'ast':
pi-cipher.c: pi-cipher.c:226:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c:   175 | static void phi(
pi-cipher.c:       |             ^~~
pi-cipher.c: In function 'ny',
pi-cipher.c:     inlined from 'ast' at pi-cipher.c:258:5:
pi-cipher.c: pi-cipher.c:237:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c:   237 |     phi(dest, x, ny_const, ny_v_const, ny_rot_const);
pi-cipher.c:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'ast':
pi-cipher.c: pi-cipher.c:237:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c:   175 | static void phi(
pi-cipher.c:       |             ^~~
Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:ref2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:ref2gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
T:ref2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Compiler output

pi-cipher.c: In function 'mu',
pi-cipher.c:     inlined from 'ast' at pi-cipher.c:257:5,
pi-cipher.c:     inlined from 'e1' at pi-cipher.c:271:9,
pi-cipher.c:     inlined from 'pi' at pi-cipher.c:305:9:
pi-cipher.c: pi-cipher.c:226:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c:   226 |     phi(t, x, mu_const, mu_v_const, mu_rot_const);
pi-cipher.c:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'pi':
pi-cipher.c: pi-cipher.c:226:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c:   175 | static void phi(
pi-cipher.c:       |             ^~~
pi-cipher.c: In function 'ny',
pi-cipher.c:     inlined from 'ast' at pi-cipher.c:258:5,
pi-cipher.c:     inlined from 'e1' at pi-cipher.c:271:9,
pi-cipher.c:     inlined from 'pi' at pi-cipher.c:305:9:
pi-cipher.c: pi-cipher.c:237:5: warning: 'phi' reading 8 bytes from a region of size 4 [-Wstringop-overread]
pi-cipher.c:   237 |     phi(dest, x, ny_const, ny_v_const, ny_rot_const);
pi-cipher.c:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pi-cipher.c: pi-cipher.c: In function 'pi':
pi-cipher.c: pi-cipher.c:237:5: note: referencing argument 4 of type 'const uint8_t *' {aka 'const unsigned char *'}
pi-cipher.c: pi-cipher.c:175:13: note: in a call to function 'phi'
pi-cipher.c:   175 | static void phi(
pi-cipher.c:       |             ^~~
pi-cipher.c: In function 'mu',
pi-cipher.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:ref2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)