Implementation notes: amd64, saber214, crypto_aead/ascon128abi32v12

Computer: saber214
Microarchitecture: amd64; Bulldozer (600f20)
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-1789c3f5
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: ascon128abi32v12
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
12465727009 0 043014 776 928refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1280158254 0 021604 816 856bi32clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
12956812496 0 026924 816 856refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
12962612496 0 029316 816 872refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1303199915 0 024358 776 928bi32gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1304128247 0 025244 816 872bi32clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1304908238 0 022836 816 856bi32clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1333959883 0 022745 752 896bi32gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1354228098 0 021006 808 856bi32clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
13602610594 0 026516 816 856refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1385968400 0 024284 816 856bi32clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1414884184 0 021268 816 872bi32_lowregclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1416944184 0 018876 816 856bi32_lowregclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
14291513144 0 027253 768 928bi32gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1439274027 0 017046 808 856bi32_lowregclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1452255268 0 019798 776 928bi32_lowreggcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1462859531 0 022932 816 856refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
14899911450 0 024302 808 856refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1506191970 0 018996 816 872bi32_lowsizeclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1511984292 0 020276 816 856bi32_lowregclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1526911741 0 016380 816 856bi32_lowsizeclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1561781727 0 014686 808 856bi32_lowsizeclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1622612297 0 016781 784 928bi32_lowsizegcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1644831977 0 017892 816 856bi32_lowsizeclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
16586011476 0 027374 776 928bi32gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1852864239 0 017692 816 856bi32_lowregclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1855091669 0 015052 816 856bi32_lowsizeclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1876415354 0 019886 776 928refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1903835239 0 018185 752 896bi32_lowreggcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1903975449 0 019661 768 928refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1959922100 0 014976 760 896bi32_lowsizegcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
1965382895 0 015905 752 896refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
2087813337 0 017476 776 928bi32_lowsizegcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
2194657689 0 021893 768 928bi32_lowreggcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
2200705596 0 021574 776 928bi32_lowreggcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625
2251722644 0 018589 784 928bi32_lowsizegcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062720240625

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B6AE
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B757
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B28E
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10AFA5
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A9CD
   at 0x...: salsa20.part.0 (try-anything.c:102)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: myrandom (try-anything.c:132)
   by 0x...: test (try.c:144)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
bi32gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32_lowreggcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A61A
   at 0x...: core (try-anything.c:53)
   by 0x...: salsa20 (try-anything.c:101)
   by 0x...: salsa20 (try-anything.c:81)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: myrandom (try-anything.c:132)
   by 0x...: test (try.c:144)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
bi32gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32_lowreggcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10BF6E
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_lowreg_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowregclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C00E
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_lowreg_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowregclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10BB75
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_lowreg_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowregclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B7C1
   at 0x...: NOTZERO (word.h:53)
   by 0x...: crypto_aead_ascon128abi32v12_bi32_lowreg_constbranchindex_decrypt (aead.c:228)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowregclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B243
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizeclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B2E3
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizeclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10ADD7
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizeclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10AB5C
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizeclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A9ED
   at 0x...: salsa20.part.0 (try-anything.c:102)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: myrandom (try-anything.c:132)
   by 0x...: test (try.c:144)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizegcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A63A
   at 0x...: core (try-anything.c:53)
   by 0x...: salsa20 (try-anything.c:101)
   by 0x...: salsa20 (try-anything.c:81)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: myrandom (try-anything.c:132)
   by 0x...: test (try.c:144)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizegcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B0D1
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizegcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10AD0B
   at 0x...: crypto_aead_ascon128abi32v12_bi32_lowsize_constbranchindex_decrypt (crypto_aead.c:45)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
bi32_lowsizegcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C8C1
   at 0x...: ROR32 (round.h:9)
   by 0x...: ROR (round.h:17)
   by 0x...: ROUND (round.h:45)
   by 0x...: P12 (permutations.h:23)
   by 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_encrypt (aead.c:32)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C961
   at 0x...: ROR32 (round.h:9)
   by 0x...: ROR (round.h:17)
   by 0x...: ROUND (round.h:45)
   by 0x...: P12 (permutations.h:23)
   by 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_encrypt (aead.c:32)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10D109
   at 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_decrypt (aead.c:216)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10AADE
   at 0x...: LOADBYTES (word.h:22)
   by 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_encrypt (aead.c:19)
   by 0x...: test (try.c:159)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10C25E
   at 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_decrypt (aead.c:216)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

TIMECOP error (can be valgrind bug)


Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10B5C3
   at 0x...: crypto_aead_ascon128abi32v12_ref_constbranchindex_decrypt (aead.c:216)
   by 0x...: test (try.c:300)
   by 0x...: main (try-anything.c:345)

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)

Passed TIMECOP


TIMECOP iterations: 10

Number of similar (implementation,compiler) pairs: 8, namely:
ImplementationCompiler
bi32clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
bi32gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32_lowregclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
bi32_lowreggcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32_lowreggcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)
bi32_lowsizeclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)