Test results for amd64, hertz, crypto_aead/pi16cipher128v2

[Page version: 20241028 01:32:29]

Measurements for amd64, hertz, crypto_aead Test results for amd64, hertz, crypto_aead Test results for crypto_aead/pi16cipher128v2
Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20241022
Operation: crypto_aead
Primitive: pi16cipher128v2
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
10063526406 8 044012 820 1192T:goptvcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
2005079123 8 023358 796 1064T:goptvcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
2381316210 8 025390 836 1096T:ref3clang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
2398806194 8 025342 836 1096T:ref3clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
2528816949 8 026118 836 1096T:ref2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
2584986949 8 026150 836 1096T:ref2clang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
3805234183 8 019600 828 1096T:ref3clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
4397314976 8 019103 796 1064T:ref3cc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
49646310024 8 027620 820 1192T:ref3cc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
13803805340 8 019487 796 1064T:ref2cc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
18170834572 8 019992 828 1096T:ref2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall2024102420241022
213629315733 8 033292 820 1192T:ref2cc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall2024102420241022

Compiler output


pi-cipher.c: pi-cipher.c: In function 'pi16_init':
pi-cipher.c: pi-cipher.c:842:5: warning: 'pi' accessing 32 bytes in a region of size 8 [-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][4]' {aka 'short unsigned int[4][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:goptvcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)

Compiler output


pi-cipher.c: pi-cipher.c:286:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c:   286 |         n_t += __builtin_shuffle(y, g_mask);
pi-cipher.c:       |                ^
pi-cipher.c: pi-cipher.c:286:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   286 |         n_t += __builtin_shuffle(y, g_mask);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:287:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   287 |         n_t += __builtin_shuffle(y, n_mask);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:290:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   290 |         n_t ^= __builtin_shuffle(n_t, n_x_1) ^ __builtin_shuffle(n_t, n_x_2);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:305:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c:   305 |         m_t += __builtin_shuffle(x, g_mask);
pi-cipher.c:       |                ^
pi-cipher.c: pi-cipher.c:305:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   305 |         m_t += __builtin_shuffle(x, g_mask);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:306:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   306 |         m_t += __builtin_shuffle(x, m_mask);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:309:6: error: cannot convert between scalar type 'int' and vector type 'vchunk_t' (vector of 4 'word_t' values) as implicit conversion would cause truncation
pi-cipher.c:   309 |         m_t ^= __builtin_shuffle(m_t, m_x_1) ^ __builtin_shuffle(m_t, m_x_2);
pi-cipher.c:       |             ^
pi-cipher.c: pi-cipher.c:354:9: error: use of unknown builtin '__builtin_shuffle' [-Wimplicit-function-declaration]
pi-cipher.c: ...

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:goptvclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:goptvclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:goptvclang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))

Compiler output


encrypt.c: encrypt.c: In function 'crypto_aead_pi16cipher128v2_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 '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: encrypt.c:250:52: warning: unused variable 'z2' [-Wunused-variable]
encrypt.c:   250 |  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:   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: 2, namely:
ImplementationCompiler
T:optimized_nonSSEcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:optimized_nonSSEcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)

Compiler output


encrypt.c: encrypt.c:250:12: warning: unused variable 'x0' [-Wunused-variable]
encrypt.c:   250 |  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:   250 |  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:   250 |  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:   250 |  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:   250 |  u_int16_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:   250 |  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:   250 |  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:   250 |  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: ...

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:optimized_nonSSEclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:optimized_nonSSEclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:optimized_nonSSEclang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))

Compiler output


encrypt.c: encrypt.c: In function 'crypto_aead_pi16cipher128v2_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 '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: encrypt.c:136:48: warning: unused variable 'z1' [-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:136:44: warning: unused variable 'z0' [-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: 2, namely:
ImplementationCompiler
T:refcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:refcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)

Compiler output


encrypt.c: encrypt.c:134:62: warning: unused variable 't12' [-Wunused-variable]
encrypt.c:   134 |  u_int16_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:   134 |  u_int16_t t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13;
encrypt.c:       |                                                                   ^~~
encrypt.c: encrypt.c:136:12: warning: unused variable 'x0' [-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:136:16: warning: unused variable 'x1' [-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:136:20: warning: unused variable 'x2' [-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:136:24: warning: unused variable 'x3' [-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:136:28: warning: unused variable 'y0' [-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:136:32: warning: unused variable 'y1' [-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:136:36: warning: unused variable 'y2' [-Wunused-variable]
encrypt.c: ...

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:refclang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))

Compiler output


pi-cipher.c: pi-cipher.c: In function 'mu':
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:226:5: note: referencing argument 4 of type 'const uint8_t[8]' {aka 'const unsigned char[8]'}
pi-cipher.c: pi-cipher.c:226:5: note: referencing argument 5 of type 'const uint8_t[4]' {aka 'const unsigned char[4]'}
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: pi-cipher.c: In function 'ny':
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:237:5: note: referencing argument 4 of type 'const uint8_t[8]' {aka 'const unsigned char[8]'}
pi-cipher.c: pi-cipher.c:237:5: note: referencing argument 5 of type 'const uint8_t[4]' {aka 'const unsigned char[4]'}
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: 2, namely:
ImplementationCompiler
T:ref2cc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:ref2cc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)

Namespace violations


pi-cipher.o PI_DECRYPT_BLOCK_Q T
pi-cipher.o pi16_decrypt_block T
pi-cipher.o pi16_decrypt_last_block T
pi-cipher.o pi16_decrypt_simple T
pi-cipher.o pi16_decrypt_smn T
pi-cipher.o pi16_encrypt_block T
pi-cipher.o pi16_encrypt_block_q T
pi-cipher.o pi16_encrypt_last_block T
pi-cipher.o pi16_encrypt_simple T
pi-cipher.o pi16_encrypt_smn T
pi-cipher.o pi16_extract_tag T
pi-cipher.o pi16_init T
pi-cipher.o pi16_process_ad_block T
pi-cipher.o pi16_process_ad_block_q T
pi-cipher.o pi16_process_ad_last_block T
pi-cipher.o pi_cipher_name D

Number of similar (implementation,compiler) pairs: 2, namely:
ImplementationCompiler
T:goptvcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:goptvcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)

Namespace violations


pi-cipher.o pi16_decrypt_block T
pi-cipher.o pi16_decrypt_last_block T
pi-cipher.o pi16_decrypt_simple T
pi-cipher.o pi16_decrypt_smn T
pi-cipher.o pi16_encrypt_block T
pi-cipher.o pi16_encrypt_last_block T
pi-cipher.o pi16_encrypt_simple T
pi-cipher.o pi16_extract_tag T
pi-cipher.o pi16_init T
pi-cipher.o pi16_process_ad_block T
pi-cipher.o pi16_process_ad_last_block T
pi-cipher.o pi16_process_smn T
pi-cipher.o pi_cipher_name D

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:ref2cc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:ref2cc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:ref2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:ref2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:ref2clang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))

Namespace violations


pi-cipher.o pi16_decrypt_block T
pi-cipher.o pi16_decrypt_last_block T
pi-cipher.o pi16_decrypt_simple T
pi-cipher.o pi16_decrypt_smn T
pi-cipher.o pi16_encrypt_block T
pi-cipher.o pi16_encrypt_last_block T
pi-cipher.o pi16_encrypt_simple T
pi-cipher.o pi16_encrypt_smn T
pi-cipher.o pi16_extract_tag T
pi-cipher.o pi16_init T
pi-cipher.o pi16_process_ad_block T
pi-cipher.o pi16_process_ad_last_block T
pi-cipher.o pi_cipher_name D

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:ref3cc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:ref3cc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (14.2.0)
T:ref3clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:ref3clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))
T:ref3clang -mllvm -polly -mllvm -polly-vectorizer=stripmine -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_19.1.1_(1ubuntu1))