Implementation notes: amd64, hydra8, crypto_aead/pi16cipher128v1

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: pi16cipher128v1

Compiler output

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:250:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
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:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                ^
encrypt.c: encrypt.c:250:16: warning: unused variable 'x1' [-Wunused-variable]
encrypt.c:  u_int16_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 -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:250:24: warning: unused variable 'x3' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
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:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int16_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:250:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                        ^
encrypt.c: encrypt.c:250:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:            ^
encrypt.c: encrypt.c:250:16: warning: unused variable 'x1' [-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:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:252:50: warning: variable 'k16' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:                                                  ^
encrypt.c: encrypt.c:250:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                    ^
encrypt.c: encrypt.c:252:41: warning: variable 'npub16' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
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:250:20: warning: unused variable 'x2' [-Wunused-variable]
encrypt.c:  u_int16_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 -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:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int16_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:250:20: warning: unused variable 'x2' [-Wunused-variable]
encrypt.c:  u_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                    ^
encrypt.c: encrypt.c:250:16: warning: unused variable 'x1' [-Wunused-variable]
encrypt.c:  u_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                ^
encrypt.c: encrypt.c:250:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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:250:24: warning: unused variable 'x3' [-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:250:28: warning: unused variable 'y0' [-Wunused-variable]
encrypt.c:  u_int16_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:250:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int16_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:  u_int16_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_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                            ^
encrypt.c: encrypt.c:252:41: warning: variable 'npub16' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:                                         ^
encrypt.c: encrypt.c:250:48: warning: unused variable 'z1' [-Wunused-variable]
encrypt.c:  u_int16_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 -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_pi16cipher128v1_optimized_nonSSE_timingleaks_encrypt':
encrypt.c: encrypt.c:362:56: warning: operation on 'i1' may be undefined [-Wsequence-point]
encrypt.c:   362 |                  InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c:       |                                                      ~~^~
encrypt.c: encrypt.c:488:82: warning: operation on 'i1' may be undefined [-Wsequence-point]
encrypt.c:   488 |                  c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c:       |                                                                                ~~^~
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 'k16' set but not used [-Wunused-but-set-variable]
encrypt.c:   252 |  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:       |                                                  ^~~
encrypt.c: encrypt.c:252:41: warning: variable 'npub16' set but not used [-Wunused-but-set-variable]
encrypt.c:   252 |  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:       |                                         ^~~~~~
encrypt.c: encrypt.c:250:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:   250 |  u_int16_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:136:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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_int16_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_int16_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_int16_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:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:138:50: warning: variable 'k16' set but not used [-Wunused-but-set-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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_int16_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_int16_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_int16_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:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                            ^
encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c: ...
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

Compiler output

encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:                                                              ^
encrypt.c: encrypt.c:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:                                                                   ^
encrypt.c: encrypt.c:138:50: warning: variable 'k16' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:                                                  ^
encrypt.c: encrypt.c:138:41: warning: variable 'npub16' set but not used [-Wunused-but-set-variable]
encrypt.c:  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:                                         ^
encrypt.c: encrypt.c:136:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c:  u_int16_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:136:32: warning: unused variable 'y1' [-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:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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:  u_int16_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_int16_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_int16_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_int16_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_int16_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_int16_t x0, x1, x2, x3, y0, y1, y2, y3, z0, z1, z2, z3;
encrypt.c:                                                        ^
encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-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:136:44: warning: unused variable 'z0' [-Wunused-variable]
encrypt.c:  u_int16_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_int16_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_int16_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_int16_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_int16_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:136:32: warning: unused variable 'y1' [-Wunused-variable]
encrypt.c:  u_int16_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:  u_int16_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: ...
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_pi16cipher128v1_ref_timingleaks_encrypt':
encrypt.c: encrypt.c:248:56: warning: operation on 'i1' may be undefined [-Wsequence-point]
encrypt.c:   248 |                  InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c:       |                                                      ~~^~
encrypt.c: encrypt.c:374:82: warning: operation on 'i1' may be undefined [-Wsequence-point]
encrypt.c:   374 |                  c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c:       |                                                                                ~~^~
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 'k16' set but not used [-Wunused-but-set-variable]
encrypt.c:   138 |  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:       |                                                  ^~~
encrypt.c: encrypt.c:138:41: warning: variable 'npub16' set but not used [-Wunused-but-set-variable]
encrypt.c:   138 |  u_int16_t *c16, *m16, *ad16, *nsec16, *npub16, *k16;
encrypt.c:       |                                         ^~~~~~
encrypt.c: encrypt.c:136:56: warning: unused variable 'z3' [-Wunused-variable]
encrypt.c:   136 |  u_int16_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_int16_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)